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Rhyland Klein6b301a02015-06-18 17:28:36 -04001/*
2 * Copyright (c) 2012-2014 NVIDIA CORPORATION. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 * more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16
17#include <linux/io.h>
18#include <linux/clk.h>
19#include <linux/clk-provider.h>
20#include <linux/clkdev.h>
21#include <linux/of.h>
22#include <linux/of_address.h>
23#include <linux/delay.h>
24#include <linux/export.h>
Peter De Schrijvere403d002018-01-25 16:00:12 +020025#include <linux/mutex.h>
Rhyland Klein6b301a02015-06-18 17:28:36 -040026#include <linux/clk/tegra.h>
27#include <dt-bindings/clock/tegra210-car.h>
Peter De Schrijver68d724c2017-03-15 14:59:32 +020028#include <dt-bindings/reset/tegra210-car.h>
Peter De Schrijvere745f992017-03-14 16:12:49 +020029#include <linux/iopoll.h>
Peter De Schrijvere403d002018-01-25 16:00:12 +020030#include <soc/tegra/pmc.h>
Rhyland Klein6b301a02015-06-18 17:28:36 -040031
32#include "clk.h"
33#include "clk-id.h"
34
35/*
36 * TEGRA210_CAR_BANK_COUNT: the number of peripheral clock register
37 * banks present in the Tegra210 CAR IP block. The banks are
38 * identified by single letters, e.g.: L, H, U, V, W, X, Y. See
39 * periph_regs[] in drivers/clk/tegra/clk.c
40 */
41#define TEGRA210_CAR_BANK_COUNT 7
42
43#define CLK_SOURCE_CSITE 0x1d4
44#define CLK_SOURCE_EMC 0x19c
Thierry Redingbc2e4d22017-08-30 12:21:04 +020045#define CLK_SOURCE_SOR1 0x410
Peter De Schrijver89e423c2018-01-25 16:00:10 +020046#define CLK_SOURCE_LA 0x1f8
Rhyland Klein6b301a02015-06-18 17:28:36 -040047
48#define PLLC_BASE 0x80
49#define PLLC_OUT 0x84
50#define PLLC_MISC0 0x88
51#define PLLC_MISC1 0x8c
52#define PLLC_MISC2 0x5d0
53#define PLLC_MISC3 0x5d4
54
55#define PLLC2_BASE 0x4e8
56#define PLLC2_MISC0 0x4ec
57#define PLLC2_MISC1 0x4f0
58#define PLLC2_MISC2 0x4f4
59#define PLLC2_MISC3 0x4f8
60
61#define PLLC3_BASE 0x4fc
62#define PLLC3_MISC0 0x500
63#define PLLC3_MISC1 0x504
64#define PLLC3_MISC2 0x508
65#define PLLC3_MISC3 0x50c
66
67#define PLLM_BASE 0x90
Rhyland Klein6b301a02015-06-18 17:28:36 -040068#define PLLM_MISC1 0x98
Rhyland Klein474f2ba2016-01-14 14:24:32 -050069#define PLLM_MISC2 0x9c
Rhyland Klein6b301a02015-06-18 17:28:36 -040070#define PLLP_BASE 0xa0
71#define PLLP_MISC0 0xac
72#define PLLP_MISC1 0x680
73#define PLLA_BASE 0xb0
74#define PLLA_MISC0 0xbc
75#define PLLA_MISC1 0xb8
76#define PLLA_MISC2 0x5d8
77#define PLLD_BASE 0xd0
78#define PLLD_MISC0 0xdc
79#define PLLD_MISC1 0xd8
80#define PLLU_BASE 0xc0
81#define PLLU_OUTA 0xc4
82#define PLLU_MISC0 0xcc
83#define PLLU_MISC1 0xc8
84#define PLLX_BASE 0xe0
85#define PLLX_MISC0 0xe4
86#define PLLX_MISC1 0x510
87#define PLLX_MISC2 0x514
88#define PLLX_MISC3 0x518
89#define PLLX_MISC4 0x5f0
90#define PLLX_MISC5 0x5f4
91#define PLLE_BASE 0xe8
92#define PLLE_MISC0 0xec
93#define PLLD2_BASE 0x4b8
94#define PLLD2_MISC0 0x4bc
95#define PLLD2_MISC1 0x570
96#define PLLD2_MISC2 0x574
97#define PLLD2_MISC3 0x578
98#define PLLE_AUX 0x48c
99#define PLLRE_BASE 0x4c4
100#define PLLRE_MISC0 0x4c8
Rhyland Klein926655f2016-03-21 15:58:52 -0400101#define PLLRE_OUT1 0x4cc
Rhyland Klein6b301a02015-06-18 17:28:36 -0400102#define PLLDP_BASE 0x590
103#define PLLDP_MISC 0x594
104
105#define PLLC4_BASE 0x5a4
106#define PLLC4_MISC0 0x5a8
107#define PLLC4_OUT 0x5e4
108#define PLLMB_BASE 0x5e8
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500109#define PLLMB_MISC1 0x5ec
Rhyland Klein6b301a02015-06-18 17:28:36 -0400110#define PLLA1_BASE 0x6a4
111#define PLLA1_MISC0 0x6a8
112#define PLLA1_MISC1 0x6ac
113#define PLLA1_MISC2 0x6b0
114#define PLLA1_MISC3 0x6b4
115
116#define PLLU_IDDQ_BIT 31
117#define PLLCX_IDDQ_BIT 27
118#define PLLRE_IDDQ_BIT 24
119#define PLLA_IDDQ_BIT 25
120#define PLLD_IDDQ_BIT 20
121#define PLLSS_IDDQ_BIT 18
122#define PLLM_IDDQ_BIT 5
123#define PLLMB_IDDQ_BIT 17
124#define PLLXP_IDDQ_BIT 3
125
126#define PLLCX_RESET_BIT 30
127
128#define PLL_BASE_LOCK BIT(27)
129#define PLLCX_BASE_LOCK BIT(26)
130#define PLLE_MISC_LOCK BIT(11)
131#define PLLRE_MISC_LOCK BIT(27)
132
133#define PLL_MISC_LOCK_ENABLE 18
134#define PLLC_MISC_LOCK_ENABLE 24
135#define PLLDU_MISC_LOCK_ENABLE 22
136#define PLLU_MISC_LOCK_ENABLE 29
137#define PLLE_MISC_LOCK_ENABLE 9
138#define PLLRE_MISC_LOCK_ENABLE 30
139#define PLLSS_MISC_LOCK_ENABLE 30
140#define PLLP_MISC_LOCK_ENABLE 18
141#define PLLM_MISC_LOCK_ENABLE 4
142#define PLLMB_MISC_LOCK_ENABLE 16
143#define PLLA_MISC_LOCK_ENABLE 28
144#define PLLU_MISC_LOCK_ENABLE 29
145#define PLLD_MISC_LOCK_ENABLE 18
146
147#define PLLA_SDM_DIN_MASK 0xffff
148#define PLLA_SDM_EN_MASK BIT(26)
149
150#define PLLD_SDM_EN_MASK BIT(16)
151
152#define PLLD2_SDM_EN_MASK BIT(31)
Peter De Schrijver030999f2017-07-25 13:34:04 +0300153#define PLLD2_SSC_EN_MASK 0
Rhyland Klein6b301a02015-06-18 17:28:36 -0400154
155#define PLLDP_SS_CFG 0x598
156#define PLLDP_SDM_EN_MASK BIT(31)
157#define PLLDP_SSC_EN_MASK BIT(30)
158#define PLLDP_SS_CTRL1 0x59c
159#define PLLDP_SS_CTRL2 0x5a0
160
161#define PMC_PLLM_WB0_OVERRIDE 0x1dc
162#define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
163
Peter De Schrijvere745f992017-03-14 16:12:49 +0200164#define UTMIP_PLL_CFG2 0x488
165#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
166#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
167#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
168#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1)
169#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
170#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3)
171#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
172#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5)
173#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24)
174#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25)
175
176#define UTMIP_PLL_CFG1 0x484
177#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
178#define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
179#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
180#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
181#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
182#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
183#define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
184
Andrew Bresticker3358d2d2015-06-18 17:28:40 -0400185#define SATA_PLL_CFG0 0x490
186#define SATA_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0)
187#define SATA_PLL_CFG0_PADPLL_USE_LOCKDET BIT(2)
Peter De Schrijver59af78d2017-03-15 17:42:05 +0200188#define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL BIT(4)
189#define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE BIT(5)
190#define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE BIT(6)
191#define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE BIT(7)
192
Andrew Bresticker3358d2d2015-06-18 17:28:40 -0400193#define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13)
194#define SATA_PLL_CFG0_SEQ_ENABLE BIT(24)
195
196#define XUSBIO_PLL_CFG0 0x51c
197#define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0)
198#define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL BIT(2)
199#define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET BIT(6)
200#define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13)
201#define XUSBIO_PLL_CFG0_SEQ_ENABLE BIT(24)
202
Rhyland Klein6b301a02015-06-18 17:28:36 -0400203#define UTMIPLL_HW_PWRDN_CFG0 0x52c
204#define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK BIT(31)
205#define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25)
206#define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
207#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(7)
208#define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
209#define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5)
210#define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4)
211#define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
212#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1)
213#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0)
214
215#define PLLU_HW_PWRDN_CFG0 0x530
216#define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28)
217#define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
218#define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7)
219#define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
220#define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
221#define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0)
222
223#define XUSB_PLL_CFG0 0x534
224#define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff
225#define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK (0x3ff << 14)
226
227#define SPARE_REG0 0x55c
228#define CLK_M_DIVISOR_SHIFT 2
229#define CLK_M_DIVISOR_MASK 0x3
230
Peter De Schrijver68d724c2017-03-15 14:59:32 +0200231#define RST_DFLL_DVCO 0x2f4
232#define DVFS_DFLL_RESET_SHIFT 0
233
234#define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8
235#define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac
236
Peter De Schrijvere403d002018-01-25 16:00:12 +0200237#define LVL2_CLK_GATE_OVRA 0xf8
238#define LVL2_CLK_GATE_OVRC 0x3a0
239#define LVL2_CLK_GATE_OVRD 0x3a4
240#define LVL2_CLK_GATE_OVRE 0x554
241
242/* I2S registers to handle during APE MBIST WAR */
243#define TEGRA210_I2S_BASE 0x1000
244#define TEGRA210_I2S_SIZE 0x100
245#define TEGRA210_I2S_CTRLS 5
246#define TEGRA210_I2S_CG 0x88
247#define TEGRA210_I2S_CTRL 0xa0
248
249/* DISPA registers to handle during MBIST WAR */
250#define DC_CMD_DISPLAY_COMMAND 0xc8
251#define DC_COM_DSC_TOP_CTL 0xcf8
252
253/* VIC register to handle during MBIST WAR */
254#define NV_PVIC_THI_SLCG_OVERRIDE_LOW 0x8c
255
256/* APE, DISPA and VIC base addesses needed for MBIST WAR */
257#define TEGRA210_AHUB_BASE 0x702d0000
258#define TEGRA210_DISPA_BASE 0x54200000
259#define TEGRA210_VIC_BASE 0x54340000
260
Rhyland Klein6b301a02015-06-18 17:28:36 -0400261/*
262 * SDM fractional divisor is 16-bit 2's complement signed number within
263 * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned
264 * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to
265 * indicate that SDM is disabled.
266 *
267 * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13
268 */
269#define PLL_SDM_COEFF BIT(13)
270#define sdin_din_to_data(din) ((u16)((din) ? : 0xFFFFU))
271#define sdin_data_to_din(dat) (((dat) == 0xFFFFU) ? 0 : (s16)dat)
Alex Frida851ea22017-07-25 13:34:07 +0300272/* This macro returns ndiv effective scaled to SDM range */
273#define sdin_get_n_eff(cfg) ((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \
274 (PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0))
Rhyland Klein6b301a02015-06-18 17:28:36 -0400275
276/* Tegra CPU clock and reset control regs */
277#define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
278
279#ifdef CONFIG_PM_SLEEP
280static struct cpu_clk_suspend_context {
281 u32 clk_csite_src;
282} tegra210_cpu_clk_sctx;
283#endif
284
Peter De Schrijvere403d002018-01-25 16:00:12 +0200285struct tegra210_domain_mbist_war {
286 void (*handle_lvl2_ovr)(struct tegra210_domain_mbist_war *mbist);
287 const u32 lvl2_offset;
288 const u32 lvl2_mask;
289 const unsigned int num_clks;
290 const unsigned int *clk_init_data;
291 struct clk_bulk_data *clks;
292};
293
294static struct clk **clks;
295
Rhyland Klein6b301a02015-06-18 17:28:36 -0400296static void __iomem *clk_base;
297static void __iomem *pmc_base;
Peter De Schrijvere403d002018-01-25 16:00:12 +0200298static void __iomem *ahub_base;
299static void __iomem *dispa_base;
300static void __iomem *vic_base;
Rhyland Klein6b301a02015-06-18 17:28:36 -0400301
302static unsigned long osc_freq;
303static unsigned long pll_ref_freq;
304
305static DEFINE_SPINLOCK(pll_d_lock);
306static DEFINE_SPINLOCK(pll_e_lock);
307static DEFINE_SPINLOCK(pll_re_lock);
308static DEFINE_SPINLOCK(pll_u_lock);
Thierry Redingbc2e4d22017-08-30 12:21:04 +0200309static DEFINE_SPINLOCK(sor1_lock);
Rhyland Klein6b301a02015-06-18 17:28:36 -0400310static DEFINE_SPINLOCK(emc_lock);
Peter De Schrijvere403d002018-01-25 16:00:12 +0200311static DEFINE_MUTEX(lvl2_ovr_lock);
Rhyland Klein6b301a02015-06-18 17:28:36 -0400312
313/* possible OSC frequencies in Hz */
314static unsigned long tegra210_input_freq[] = {
315 [5] = 38400000,
316 [8] = 12000000,
317};
318
319static const char *mux_pllmcp_clkm[] = {
Jon Hunter4f8d4442015-12-18 13:45:28 +0000320 "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb",
321 "pll_p",
Rhyland Klein6b301a02015-06-18 17:28:36 -0400322};
323#define mux_pllmcp_clkm_idx NULL
324
325#define PLL_ENABLE (1 << 30)
326
327#define PLLCX_MISC1_IDDQ (1 << 27)
328#define PLLCX_MISC0_RESET (1 << 30)
329
330#define PLLCX_MISC0_DEFAULT_VALUE 0x40080000
331#define PLLCX_MISC0_WRITE_MASK 0x400ffffb
332#define PLLCX_MISC1_DEFAULT_VALUE 0x08000000
333#define PLLCX_MISC1_WRITE_MASK 0x08003cff
334#define PLLCX_MISC2_DEFAULT_VALUE 0x1f720f05
335#define PLLCX_MISC2_WRITE_MASK 0xffffff17
336#define PLLCX_MISC3_DEFAULT_VALUE 0x000000c4
337#define PLLCX_MISC3_WRITE_MASK 0x00ffffff
338
339/* PLLA */
340#define PLLA_BASE_IDDQ (1 << 25)
341#define PLLA_BASE_LOCK (1 << 27)
342
343#define PLLA_MISC0_LOCK_ENABLE (1 << 28)
344#define PLLA_MISC0_LOCK_OVERRIDE (1 << 27)
345
346#define PLLA_MISC2_EN_SDM (1 << 26)
347#define PLLA_MISC2_EN_DYNRAMP (1 << 25)
348
349#define PLLA_MISC0_DEFAULT_VALUE 0x12000020
350#define PLLA_MISC0_WRITE_MASK 0x7fffffff
351#define PLLA_MISC2_DEFAULT_VALUE 0x0
352#define PLLA_MISC2_WRITE_MASK 0x06ffffff
353
354/* PLLD */
Peter De Schrijvere403d002018-01-25 16:00:12 +0200355#define PLLD_BASE_CSI_CLKSOURCE (1 << 23)
356
Rhyland Klein6b301a02015-06-18 17:28:36 -0400357#define PLLD_MISC0_EN_SDM (1 << 16)
358#define PLLD_MISC0_LOCK_OVERRIDE (1 << 17)
359#define PLLD_MISC0_LOCK_ENABLE (1 << 18)
360#define PLLD_MISC0_IDDQ (1 << 20)
361#define PLLD_MISC0_DSI_CLKENABLE (1 << 21)
362
363#define PLLD_MISC0_DEFAULT_VALUE 0x00140000
364#define PLLD_MISC0_WRITE_MASK 0x3ff7ffff
365#define PLLD_MISC1_DEFAULT_VALUE 0x20
366#define PLLD_MISC1_WRITE_MASK 0x00ffffff
367
368/* PLLD2 and PLLDP and PLLC4 */
369#define PLLDSS_BASE_LOCK (1 << 27)
370#define PLLDSS_BASE_LOCK_OVERRIDE (1 << 24)
371#define PLLDSS_BASE_IDDQ (1 << 18)
372#define PLLDSS_BASE_REF_SEL_SHIFT 25
373#define PLLDSS_BASE_REF_SEL_MASK (0x3 << PLLDSS_BASE_REF_SEL_SHIFT)
374
375#define PLLDSS_MISC0_LOCK_ENABLE (1 << 30)
376
377#define PLLDSS_MISC1_CFG_EN_SDM (1 << 31)
378#define PLLDSS_MISC1_CFG_EN_SSC (1 << 30)
379
380#define PLLD2_MISC0_DEFAULT_VALUE 0x40000020
381#define PLLD2_MISC1_CFG_DEFAULT_VALUE 0x10000000
382#define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0
383#define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0
384
385#define PLLDP_MISC0_DEFAULT_VALUE 0x40000020
386#define PLLDP_MISC1_CFG_DEFAULT_VALUE 0xc0000000
387#define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da
388#define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400
389
390#define PLLDSS_MISC0_WRITE_MASK 0x47ffffff
391#define PLLDSS_MISC1_CFG_WRITE_MASK 0xf8000000
392#define PLLDSS_MISC2_CTRL1_WRITE_MASK 0xffffffff
393#define PLLDSS_MISC3_CTRL2_WRITE_MASK 0xffffffff
394
395#define PLLC4_MISC0_DEFAULT_VALUE 0x40000000
396
397/* PLLRE */
398#define PLLRE_MISC0_LOCK_ENABLE (1 << 30)
399#define PLLRE_MISC0_LOCK_OVERRIDE (1 << 29)
400#define PLLRE_MISC0_LOCK (1 << 27)
401#define PLLRE_MISC0_IDDQ (1 << 24)
402
403#define PLLRE_BASE_DEFAULT_VALUE 0x0
404#define PLLRE_MISC0_DEFAULT_VALUE 0x41000000
405
406#define PLLRE_BASE_DEFAULT_MASK 0x1c000000
407#define PLLRE_MISC0_WRITE_MASK 0x67ffffff
408
409/* PLLX */
410#define PLLX_USE_DYN_RAMP 1
411#define PLLX_BASE_LOCK (1 << 27)
412
413#define PLLX_MISC0_FO_G_DISABLE (0x1 << 28)
414#define PLLX_MISC0_LOCK_ENABLE (0x1 << 18)
415
416#define PLLX_MISC2_DYNRAMP_STEPB_SHIFT 24
417#define PLLX_MISC2_DYNRAMP_STEPB_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT)
418#define PLLX_MISC2_DYNRAMP_STEPA_SHIFT 16
419#define PLLX_MISC2_DYNRAMP_STEPA_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT)
420#define PLLX_MISC2_NDIV_NEW_SHIFT 8
421#define PLLX_MISC2_NDIV_NEW_MASK (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT)
422#define PLLX_MISC2_LOCK_OVERRIDE (0x1 << 4)
423#define PLLX_MISC2_DYNRAMP_DONE (0x1 << 2)
424#define PLLX_MISC2_EN_DYNRAMP (0x1 << 0)
425
426#define PLLX_MISC3_IDDQ (0x1 << 3)
427
428#define PLLX_MISC0_DEFAULT_VALUE PLLX_MISC0_LOCK_ENABLE
429#define PLLX_MISC0_WRITE_MASK 0x10c40000
430#define PLLX_MISC1_DEFAULT_VALUE 0x20
431#define PLLX_MISC1_WRITE_MASK 0x00ffffff
432#define PLLX_MISC2_DEFAULT_VALUE 0x0
433#define PLLX_MISC2_WRITE_MASK 0xffffff11
434#define PLLX_MISC3_DEFAULT_VALUE PLLX_MISC3_IDDQ
435#define PLLX_MISC3_WRITE_MASK 0x01ff0f0f
436#define PLLX_MISC4_DEFAULT_VALUE 0x0
437#define PLLX_MISC4_WRITE_MASK 0x8000ffff
438#define PLLX_MISC5_DEFAULT_VALUE 0x0
439#define PLLX_MISC5_WRITE_MASK 0x0000ffff
440
441#define PLLX_HW_CTRL_CFG 0x548
442#define PLLX_HW_CTRL_CFG_SWCTRL (0x1 << 0)
443
444/* PLLMB */
445#define PLLMB_BASE_LOCK (1 << 27)
446
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500447#define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18)
448#define PLLMB_MISC1_IDDQ (1 << 17)
449#define PLLMB_MISC1_LOCK_ENABLE (1 << 16)
Rhyland Klein6b301a02015-06-18 17:28:36 -0400450
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500451#define PLLMB_MISC1_DEFAULT_VALUE 0x00030000
452#define PLLMB_MISC1_WRITE_MASK 0x0007ffff
Rhyland Klein6b301a02015-06-18 17:28:36 -0400453
454/* PLLP */
455#define PLLP_BASE_OVERRIDE (1 << 28)
456#define PLLP_BASE_LOCK (1 << 27)
457
458#define PLLP_MISC0_LOCK_ENABLE (1 << 18)
459#define PLLP_MISC0_LOCK_OVERRIDE (1 << 17)
460#define PLLP_MISC0_IDDQ (1 << 3)
461
462#define PLLP_MISC1_HSIO_EN_SHIFT 29
463#define PLLP_MISC1_HSIO_EN (1 << PLLP_MISC1_HSIO_EN_SHIFT)
464#define PLLP_MISC1_XUSB_EN_SHIFT 28
465#define PLLP_MISC1_XUSB_EN (1 << PLLP_MISC1_XUSB_EN_SHIFT)
466
467#define PLLP_MISC0_DEFAULT_VALUE 0x00040008
468#define PLLP_MISC1_DEFAULT_VALUE 0x0
469
470#define PLLP_MISC0_WRITE_MASK 0xdc6000f
471#define PLLP_MISC1_WRITE_MASK 0x70ffffff
472
473/* PLLU */
474#define PLLU_BASE_LOCK (1 << 27)
475#define PLLU_BASE_OVERRIDE (1 << 24)
476#define PLLU_BASE_CLKENABLE_USB (1 << 21)
477#define PLLU_BASE_CLKENABLE_HSIC (1 << 22)
478#define PLLU_BASE_CLKENABLE_ICUSB (1 << 23)
479#define PLLU_BASE_CLKENABLE_48M (1 << 25)
480#define PLLU_BASE_CLKENABLE_ALL (PLLU_BASE_CLKENABLE_USB |\
481 PLLU_BASE_CLKENABLE_HSIC |\
482 PLLU_BASE_CLKENABLE_ICUSB |\
483 PLLU_BASE_CLKENABLE_48M)
484
485#define PLLU_MISC0_IDDQ (1 << 31)
486#define PLLU_MISC0_LOCK_ENABLE (1 << 29)
487#define PLLU_MISC1_LOCK_OVERRIDE (1 << 0)
488
489#define PLLU_MISC0_DEFAULT_VALUE 0xa0000000
490#define PLLU_MISC1_DEFAULT_VALUE 0x0
491
492#define PLLU_MISC0_WRITE_MASK 0xbfffffff
493#define PLLU_MISC1_WRITE_MASK 0x00000007
494
Andrew Bresticker3358d2d2015-06-18 17:28:40 -0400495void tegra210_xusb_pll_hw_control_enable(void)
496{
497 u32 val;
498
499 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
500 val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL |
501 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL);
502 val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET |
503 XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ;
504 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
505}
506EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable);
507
508void tegra210_xusb_pll_hw_sequence_start(void)
509{
510 u32 val;
511
512 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
513 val |= XUSBIO_PLL_CFG0_SEQ_ENABLE;
514 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
515}
516EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start);
517
518void tegra210_sata_pll_hw_control_enable(void)
519{
520 u32 val;
521
522 val = readl_relaxed(clk_base + SATA_PLL_CFG0);
523 val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL;
524 val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET |
525 SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ;
526 writel_relaxed(val, clk_base + SATA_PLL_CFG0);
527}
528EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable);
529
530void tegra210_sata_pll_hw_sequence_start(void)
531{
532 u32 val;
533
534 val = readl_relaxed(clk_base + SATA_PLL_CFG0);
535 val |= SATA_PLL_CFG0_SEQ_ENABLE;
536 writel_relaxed(val, clk_base + SATA_PLL_CFG0);
537}
538EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start);
539
Peter De Schrijver59af78d2017-03-15 17:42:05 +0200540void tegra210_set_sata_pll_seq_sw(bool state)
541{
542 u32 val;
543
544 val = readl_relaxed(clk_base + SATA_PLL_CFG0);
545 if (state) {
546 val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
547 val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
548 val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
549 val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
550 } else {
551 val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
552 val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
553 val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
554 val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
555 }
556 writel_relaxed(val, clk_base + SATA_PLL_CFG0);
557}
558EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw);
559
Peter De Schrijvere403d002018-01-25 16:00:12 +0200560static void tegra210_generic_mbist_war(struct tegra210_domain_mbist_war *mbist)
561{
562 u32 val;
563
564 val = readl_relaxed(clk_base + mbist->lvl2_offset);
565 writel_relaxed(val | mbist->lvl2_mask, clk_base + mbist->lvl2_offset);
566 fence_udelay(1, clk_base);
567 writel_relaxed(val, clk_base + mbist->lvl2_offset);
568 fence_udelay(1, clk_base);
569}
570
571static void tegra210_venc_mbist_war(struct tegra210_domain_mbist_war *mbist)
572{
573 u32 csi_src, ovra, ovre;
574 unsigned long flags = 0;
575
576 spin_lock_irqsave(&pll_d_lock, flags);
577
578 csi_src = readl_relaxed(clk_base + PLLD_BASE);
579 writel_relaxed(csi_src | PLLD_BASE_CSI_CLKSOURCE, clk_base + PLLD_BASE);
580 fence_udelay(1, clk_base);
581
582 ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA);
583 writel_relaxed(ovra | BIT(15), clk_base + LVL2_CLK_GATE_OVRA);
584 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
585 writel_relaxed(ovre | BIT(3), clk_base + LVL2_CLK_GATE_OVRE);
586 fence_udelay(1, clk_base);
587
588 writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA);
589 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
590 writel_relaxed(csi_src, clk_base + PLLD_BASE);
591 fence_udelay(1, clk_base);
592
593 spin_unlock_irqrestore(&pll_d_lock, flags);
594}
595
596static void tegra210_disp_mbist_war(struct tegra210_domain_mbist_war *mbist)
597{
598 u32 ovra, dsc_top_ctrl;
599
600 ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA);
601 writel_relaxed(ovra | BIT(1), clk_base + LVL2_CLK_GATE_OVRA);
602 fence_udelay(1, clk_base);
603
604 dsc_top_ctrl = readl_relaxed(dispa_base + DC_COM_DSC_TOP_CTL);
605 writel_relaxed(dsc_top_ctrl | BIT(2), dispa_base + DC_COM_DSC_TOP_CTL);
606 readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND);
607 writel_relaxed(dsc_top_ctrl, dispa_base + DC_COM_DSC_TOP_CTL);
608 readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND);
609
610 writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA);
611 fence_udelay(1, clk_base);
612}
613
614static void tegra210_vic_mbist_war(struct tegra210_domain_mbist_war *mbist)
615{
616 u32 ovre, val;
617
618 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
619 writel_relaxed(ovre | BIT(5), clk_base + LVL2_CLK_GATE_OVRE);
620 fence_udelay(1, clk_base);
621
622 val = readl_relaxed(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
623 writel_relaxed(val | BIT(0) | GENMASK(7, 2) | BIT(24),
624 vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
625 fence_udelay(1, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
626
627 writel_relaxed(val, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
628 readl(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
629
630 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
631 fence_udelay(1, clk_base);
632}
633
634static void tegra210_ape_mbist_war(struct tegra210_domain_mbist_war *mbist)
635{
636 void __iomem *i2s_base;
637 unsigned int i;
638 u32 ovrc, ovre;
639
640 ovrc = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRC);
641 ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
642 writel_relaxed(ovrc | BIT(1), clk_base + LVL2_CLK_GATE_OVRC);
643 writel_relaxed(ovre | BIT(10) | BIT(11),
644 clk_base + LVL2_CLK_GATE_OVRE);
645 fence_udelay(1, clk_base);
646
647 i2s_base = ahub_base + TEGRA210_I2S_BASE;
648
649 for (i = 0; i < TEGRA210_I2S_CTRLS; i++) {
650 u32 i2s_ctrl;
651
652 i2s_ctrl = readl_relaxed(i2s_base + TEGRA210_I2S_CTRL);
653 writel_relaxed(i2s_ctrl | BIT(10),
654 i2s_base + TEGRA210_I2S_CTRL);
655 writel_relaxed(0, i2s_base + TEGRA210_I2S_CG);
656 readl(i2s_base + TEGRA210_I2S_CG);
657 writel_relaxed(1, i2s_base + TEGRA210_I2S_CG);
658 writel_relaxed(i2s_ctrl, i2s_base + TEGRA210_I2S_CTRL);
659 readl(i2s_base + TEGRA210_I2S_CTRL);
660
661 i2s_base += TEGRA210_I2S_SIZE;
662 }
663
664 writel_relaxed(ovrc, clk_base + LVL2_CLK_GATE_OVRC);
665 writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
666 fence_udelay(1, clk_base);
667}
668
Rhyland Klein6b301a02015-06-18 17:28:36 -0400669static inline void _pll_misc_chk_default(void __iomem *base,
670 struct tegra_clk_pll_params *params,
671 u8 misc_num, u32 default_val, u32 mask)
672{
673 u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]);
674
675 boot_val &= mask;
676 default_val &= mask;
677 if (boot_val != default_val) {
678 pr_warn("boot misc%d 0x%x: expected 0x%x\n",
679 misc_num, boot_val, default_val);
680 pr_warn(" (comparison mask = 0x%x)\n", mask);
681 params->defaults_set = false;
682 }
683}
684
685/*
686 * PLLCX: PLLC, PLLC2, PLLC3, PLLA1
687 * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition
688 * that changes NDIV only, while PLL is already locked.
689 */
690static void pllcx_check_defaults(struct tegra_clk_pll_params *params)
691{
692 u32 default_val;
693
694 default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET);
695 _pll_misc_chk_default(clk_base, params, 0, default_val,
696 PLLCX_MISC0_WRITE_MASK);
697
698 default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ);
699 _pll_misc_chk_default(clk_base, params, 1, default_val,
700 PLLCX_MISC1_WRITE_MASK);
701
702 default_val = PLLCX_MISC2_DEFAULT_VALUE;
703 _pll_misc_chk_default(clk_base, params, 2, default_val,
704 PLLCX_MISC2_WRITE_MASK);
705
706 default_val = PLLCX_MISC3_DEFAULT_VALUE;
707 _pll_misc_chk_default(clk_base, params, 3, default_val,
708 PLLCX_MISC3_WRITE_MASK);
709}
710
Jon Hunterfd360e22015-12-04 17:04:24 +0000711static void tegra210_pllcx_set_defaults(const char *name,
712 struct tegra_clk_pll *pllcx)
Rhyland Klein6b301a02015-06-18 17:28:36 -0400713{
714 pllcx->params->defaults_set = true;
715
Jon Hunter1116d5a2017-03-27 12:01:05 +0100716 if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) {
Rhyland Klein6b301a02015-06-18 17:28:36 -0400717 /* PLL is ON: only check if defaults already set */
718 pllcx_check_defaults(pllcx->params);
Jon Hunter1116d5a2017-03-27 12:01:05 +0100719 if (!pllcx->params->defaults_set)
720 pr_warn("%s already enabled. Postponing set full defaults\n",
721 name);
Rhyland Klein6b301a02015-06-18 17:28:36 -0400722 return;
723 }
724
725 /* Defaults assert PLL reset, and set IDDQ */
726 writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE,
727 clk_base + pllcx->params->ext_misc_reg[0]);
728 writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE,
729 clk_base + pllcx->params->ext_misc_reg[1]);
730 writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE,
731 clk_base + pllcx->params->ext_misc_reg[2]);
732 writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE,
733 clk_base + pllcx->params->ext_misc_reg[3]);
734 udelay(1);
735}
736
Jon Hunterfd360e22015-12-04 17:04:24 +0000737static void _pllc_set_defaults(struct tegra_clk_pll *pllcx)
Rhyland Klein6b301a02015-06-18 17:28:36 -0400738{
739 tegra210_pllcx_set_defaults("PLL_C", pllcx);
740}
741
Jon Hunterfd360e22015-12-04 17:04:24 +0000742static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx)
Rhyland Klein6b301a02015-06-18 17:28:36 -0400743{
744 tegra210_pllcx_set_defaults("PLL_C2", pllcx);
745}
746
Jon Hunterfd360e22015-12-04 17:04:24 +0000747static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx)
Rhyland Klein6b301a02015-06-18 17:28:36 -0400748{
749 tegra210_pllcx_set_defaults("PLL_C3", pllcx);
750}
751
Jon Hunterfd360e22015-12-04 17:04:24 +0000752static void _plla1_set_defaults(struct tegra_clk_pll *pllcx)
Rhyland Klein6b301a02015-06-18 17:28:36 -0400753{
754 tegra210_pllcx_set_defaults("PLL_A1", pllcx);
755}
756
757/*
758 * PLLA
759 * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used.
760 * Fractional SDM is allowed to provide exact audio rates.
761 */
Jon Hunterfd360e22015-12-04 17:04:24 +0000762static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla)
Rhyland Klein6b301a02015-06-18 17:28:36 -0400763{
764 u32 mask;
765 u32 val = readl_relaxed(clk_base + plla->params->base_reg);
766
767 plla->params->defaults_set = true;
768
769 if (val & PLL_ENABLE) {
770 /*
771 * PLL is ON: check if defaults already set, then set those
772 * that can be updated in flight.
773 */
774 if (val & PLLA_BASE_IDDQ) {
775 pr_warn("PLL_A boot enabled with IDDQ set\n");
776 plla->params->defaults_set = false;
777 }
778
779 pr_warn("PLL_A already enabled. Postponing set full defaults\n");
780
781 val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */
782 mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE;
783 _pll_misc_chk_default(clk_base, plla->params, 0, val,
784 ~mask & PLLA_MISC0_WRITE_MASK);
785
786 val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */
787 _pll_misc_chk_default(clk_base, plla->params, 2, val,
788 PLLA_MISC2_EN_DYNRAMP);
789
790 /* Enable lock detect */
791 val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]);
792 val &= ~mask;
793 val |= PLLA_MISC0_DEFAULT_VALUE & mask;
794 writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]);
795 udelay(1);
796
797 return;
798 }
799
800 /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */
801 val |= PLLA_BASE_IDDQ;
802 writel_relaxed(val, clk_base + plla->params->base_reg);
803 writel_relaxed(PLLA_MISC0_DEFAULT_VALUE,
804 clk_base + plla->params->ext_misc_reg[0]);
805 writel_relaxed(PLLA_MISC2_DEFAULT_VALUE,
806 clk_base + plla->params->ext_misc_reg[2]);
807 udelay(1);
808}
809
810/*
811 * PLLD
812 * PLL with fractional SDM.
813 */
Jon Hunterfd360e22015-12-04 17:04:24 +0000814static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld)
Rhyland Klein6b301a02015-06-18 17:28:36 -0400815{
816 u32 val;
817 u32 mask = 0xffff;
818
819 plld->params->defaults_set = true;
820
821 if (readl_relaxed(clk_base + plld->params->base_reg) &
822 PLL_ENABLE) {
Rhyland Klein6b301a02015-06-18 17:28:36 -0400823
824 /*
825 * PLL is ON: check if defaults already set, then set those
826 * that can be updated in flight.
827 */
828 val = PLLD_MISC1_DEFAULT_VALUE;
829 _pll_misc_chk_default(clk_base, plld->params, 1,
830 val, PLLD_MISC1_WRITE_MASK);
831
832 /* ignore lock, DSI and SDM controls, make sure IDDQ not set */
833 val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ);
834 mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE |
835 PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM;
836 _pll_misc_chk_default(clk_base, plld->params, 0, val,
837 ~mask & PLLD_MISC0_WRITE_MASK);
838
Peter De Schrijver8dce89a2017-02-23 12:44:42 +0200839 if (!plld->params->defaults_set)
840 pr_warn("PLL_D already enabled. Postponing set full defaults\n");
841
Rhyland Klein6b301a02015-06-18 17:28:36 -0400842 /* Enable lock detect */
843 mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE;
844 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
845 val &= ~mask;
846 val |= PLLD_MISC0_DEFAULT_VALUE & mask;
847 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
848 udelay(1);
849
850 return;
851 }
852
853 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
854 val &= PLLD_MISC0_DSI_CLKENABLE;
855 val |= PLLD_MISC0_DEFAULT_VALUE;
856 /* set IDDQ, enable lock detect, disable SDM */
857 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
858 writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base +
859 plld->params->ext_misc_reg[1]);
860 udelay(1);
861}
862
863/*
864 * PLLD2, PLLDP
865 * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used).
866 */
867static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss,
868 u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val)
869{
870 u32 default_val;
871 u32 val = readl_relaxed(clk_base + plldss->params->base_reg);
872
873 plldss->params->defaults_set = true;
874
875 if (val & PLL_ENABLE) {
Rhyland Klein6b301a02015-06-18 17:28:36 -0400876
877 /*
878 * PLL is ON: check if defaults already set, then set those
879 * that can be updated in flight.
880 */
881 if (val & PLLDSS_BASE_IDDQ) {
882 pr_warn("plldss boot enabled with IDDQ set\n");
883 plldss->params->defaults_set = false;
884 }
885
886 /* ignore lock enable */
887 default_val = misc0_val;
888 _pll_misc_chk_default(clk_base, plldss->params, 0, default_val,
889 PLLDSS_MISC0_WRITE_MASK &
890 (~PLLDSS_MISC0_LOCK_ENABLE));
891
892 /*
893 * If SSC is used, check all settings, otherwise just confirm
894 * that SSC is not used on boot as well. Do nothing when using
895 * this function for PLLC4 that has only MISC0.
896 */
897 if (plldss->params->ssc_ctrl_en_mask) {
898 default_val = misc1_val;
899 _pll_misc_chk_default(clk_base, plldss->params, 1,
900 default_val, PLLDSS_MISC1_CFG_WRITE_MASK);
901 default_val = misc2_val;
902 _pll_misc_chk_default(clk_base, plldss->params, 2,
903 default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK);
904 default_val = misc3_val;
905 _pll_misc_chk_default(clk_base, plldss->params, 3,
906 default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK);
907 } else if (plldss->params->ext_misc_reg[1]) {
908 default_val = misc1_val;
909 _pll_misc_chk_default(clk_base, plldss->params, 1,
910 default_val, PLLDSS_MISC1_CFG_WRITE_MASK &
911 (~PLLDSS_MISC1_CFG_EN_SDM));
912 }
913
Peter De Schrijver1934ffd2017-07-25 13:34:10 +0300914 if (!plldss->params->defaults_set)
915 pr_warn("%s already enabled. Postponing set full defaults\n",
916 pll_name);
917
Rhyland Klein6b301a02015-06-18 17:28:36 -0400918 /* Enable lock detect */
919 if (val & PLLDSS_BASE_LOCK_OVERRIDE) {
920 val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
921 writel_relaxed(val, clk_base +
922 plldss->params->base_reg);
923 }
924
925 val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]);
926 val &= ~PLLDSS_MISC0_LOCK_ENABLE;
927 val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE;
928 writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]);
929 udelay(1);
930
931 return;
932 }
933
934 /* set IDDQ, enable lock detect, configure SDM/SSC */
935 val |= PLLDSS_BASE_IDDQ;
936 val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
937 writel_relaxed(val, clk_base + plldss->params->base_reg);
938
939 /* When using this function for PLLC4 exit here */
940 if (!plldss->params->ext_misc_reg[1]) {
941 writel_relaxed(misc0_val, clk_base +
942 plldss->params->ext_misc_reg[0]);
943 udelay(1);
944 return;
945 }
946
947 writel_relaxed(misc0_val, clk_base +
948 plldss->params->ext_misc_reg[0]);
949 /* if SSC used set by 1st enable */
950 writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC),
951 clk_base + plldss->params->ext_misc_reg[1]);
952 writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]);
953 writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]);
954 udelay(1);
955}
956
Jon Hunterfd360e22015-12-04 17:04:24 +0000957static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2)
Rhyland Klein6b301a02015-06-18 17:28:36 -0400958{
959 plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE,
960 PLLD2_MISC1_CFG_DEFAULT_VALUE,
961 PLLD2_MISC2_CTRL1_DEFAULT_VALUE,
962 PLLD2_MISC3_CTRL2_DEFAULT_VALUE);
963}
964
Jon Hunterfd360e22015-12-04 17:04:24 +0000965static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp)
Rhyland Klein6b301a02015-06-18 17:28:36 -0400966{
967 plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE,
968 PLLDP_MISC1_CFG_DEFAULT_VALUE,
969 PLLDP_MISC2_CTRL1_DEFAULT_VALUE,
970 PLLDP_MISC3_CTRL2_DEFAULT_VALUE);
971}
972
973/*
974 * PLLC4
975 * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support.
976 * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers.
977 */
Jon Hunterfd360e22015-12-04 17:04:24 +0000978static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4)
Rhyland Klein6b301a02015-06-18 17:28:36 -0400979{
980 plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0);
981}
982
983/*
984 * PLLRE
985 * VCO is exposed to the clock tree directly along with post-divider output
986 */
Jon Hunterfd360e22015-12-04 17:04:24 +0000987static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre)
Rhyland Klein6b301a02015-06-18 17:28:36 -0400988{
989 u32 mask;
990 u32 val = readl_relaxed(clk_base + pllre->params->base_reg);
991
992 pllre->params->defaults_set = true;
993
994 if (val & PLL_ENABLE) {
995 pr_warn("PLL_RE already enabled. Postponing set full defaults\n");
996
997 /*
998 * PLL is ON: check if defaults already set, then set those
999 * that can be updated in flight.
1000 */
1001 val &= PLLRE_BASE_DEFAULT_MASK;
1002 if (val != PLLRE_BASE_DEFAULT_VALUE) {
1003 pr_warn("pllre boot base 0x%x : expected 0x%x\n",
1004 val, PLLRE_BASE_DEFAULT_VALUE);
1005 pr_warn("(comparison mask = 0x%x)\n",
1006 PLLRE_BASE_DEFAULT_MASK);
1007 pllre->params->defaults_set = false;
1008 }
1009
1010 /* Ignore lock enable */
1011 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ);
1012 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE;
1013 _pll_misc_chk_default(clk_base, pllre->params, 0, val,
1014 ~mask & PLLRE_MISC0_WRITE_MASK);
1015
1016 /* Enable lock detect */
1017 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]);
1018 val &= ~mask;
1019 val |= PLLRE_MISC0_DEFAULT_VALUE & mask;
1020 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]);
1021 udelay(1);
1022
1023 return;
1024 }
1025
1026 /* set IDDQ, enable lock detect */
1027 val &= ~PLLRE_BASE_DEFAULT_MASK;
1028 val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK;
1029 writel_relaxed(val, clk_base + pllre->params->base_reg);
1030 writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE,
1031 clk_base + pllre->params->ext_misc_reg[0]);
1032 udelay(1);
1033}
1034
1035static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b)
1036{
1037 unsigned long input_rate;
1038
Rhyland Klein3dad5c52016-01-14 14:24:35 -05001039 /* cf rate */
1040 if (!IS_ERR_OR_NULL(hw->clk))
Rhyland Klein6b301a02015-06-18 17:28:36 -04001041 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
Rhyland Klein3dad5c52016-01-14 14:24:35 -05001042 else
Rhyland Klein6b301a02015-06-18 17:28:36 -04001043 input_rate = 38400000;
Rhyland Klein3dad5c52016-01-14 14:24:35 -05001044
1045 input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate);
Rhyland Klein6b301a02015-06-18 17:28:36 -04001046
1047 switch (input_rate) {
1048 case 12000000:
1049 case 12800000:
1050 case 13000000:
1051 *step_a = 0x2B;
1052 *step_b = 0x0B;
1053 return;
1054 case 19200000:
1055 *step_a = 0x12;
1056 *step_b = 0x08;
1057 return;
1058 case 38400000:
1059 *step_a = 0x04;
1060 *step_b = 0x05;
1061 return;
1062 default:
1063 pr_err("%s: Unexpected reference rate %lu\n",
1064 __func__, input_rate);
1065 BUG();
1066 }
1067}
1068
1069static void pllx_check_defaults(struct tegra_clk_pll *pll)
1070{
1071 u32 default_val;
1072
1073 default_val = PLLX_MISC0_DEFAULT_VALUE;
1074 /* ignore lock enable */
1075 _pll_misc_chk_default(clk_base, pll->params, 0, default_val,
1076 PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE));
1077
1078 default_val = PLLX_MISC1_DEFAULT_VALUE;
1079 _pll_misc_chk_default(clk_base, pll->params, 1, default_val,
1080 PLLX_MISC1_WRITE_MASK);
1081
1082 /* ignore all but control bit */
1083 default_val = PLLX_MISC2_DEFAULT_VALUE;
1084 _pll_misc_chk_default(clk_base, pll->params, 2,
1085 default_val, PLLX_MISC2_EN_DYNRAMP);
1086
1087 default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ);
1088 _pll_misc_chk_default(clk_base, pll->params, 3, default_val,
1089 PLLX_MISC3_WRITE_MASK);
1090
1091 default_val = PLLX_MISC4_DEFAULT_VALUE;
1092 _pll_misc_chk_default(clk_base, pll->params, 4, default_val,
1093 PLLX_MISC4_WRITE_MASK);
1094
1095 default_val = PLLX_MISC5_DEFAULT_VALUE;
1096 _pll_misc_chk_default(clk_base, pll->params, 5, default_val,
1097 PLLX_MISC5_WRITE_MASK);
1098}
1099
Jon Hunterfd360e22015-12-04 17:04:24 +00001100static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx)
Rhyland Klein6b301a02015-06-18 17:28:36 -04001101{
1102 u32 val;
1103 u32 step_a, step_b;
1104
1105 pllx->params->defaults_set = true;
1106
1107 /* Get ready dyn ramp state machine settings */
1108 pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b);
1109 val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) &
1110 (~PLLX_MISC2_DYNRAMP_STEPB_MASK);
1111 val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT;
1112 val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT;
1113
1114 if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) {
Rhyland Klein6b301a02015-06-18 17:28:36 -04001115
1116 /*
1117 * PLL is ON: check if defaults already set, then set those
1118 * that can be updated in flight.
1119 */
1120 pllx_check_defaults(pllx);
1121
Peter De Schrijver8dce89a2017-02-23 12:44:42 +02001122 if (!pllx->params->defaults_set)
1123 pr_warn("PLL_X already enabled. Postponing set full defaults\n");
Rhyland Klein6b301a02015-06-18 17:28:36 -04001124 /* Configure dyn ramp, disable lock override */
1125 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1126
1127 /* Enable lock detect */
1128 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]);
1129 val &= ~PLLX_MISC0_LOCK_ENABLE;
1130 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE;
1131 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]);
1132 udelay(1);
1133
1134 return;
1135 }
1136
1137 /* Enable lock detect and CPU output */
1138 writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base +
1139 pllx->params->ext_misc_reg[0]);
1140
1141 /* Setup */
1142 writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base +
1143 pllx->params->ext_misc_reg[1]);
1144
1145 /* Configure dyn ramp state machine, disable lock override */
1146 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1147
1148 /* Set IDDQ */
1149 writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base +
1150 pllx->params->ext_misc_reg[3]);
1151
1152 /* Disable SDM */
1153 writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base +
1154 pllx->params->ext_misc_reg[4]);
1155 writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base +
1156 pllx->params->ext_misc_reg[5]);
1157 udelay(1);
1158}
1159
1160/* PLLMB */
Jon Hunterfd360e22015-12-04 17:04:24 +00001161static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb)
Rhyland Klein6b301a02015-06-18 17:28:36 -04001162{
1163 u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg);
1164
1165 pllmb->params->defaults_set = true;
1166
1167 if (val & PLL_ENABLE) {
Rhyland Klein6b301a02015-06-18 17:28:36 -04001168
1169 /*
1170 * PLL is ON: check if defaults already set, then set those
1171 * that can be updated in flight.
1172 */
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001173 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ);
1174 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE;
Rhyland Klein6b301a02015-06-18 17:28:36 -04001175 _pll_misc_chk_default(clk_base, pllmb->params, 0, val,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001176 ~mask & PLLMB_MISC1_WRITE_MASK);
Rhyland Klein6b301a02015-06-18 17:28:36 -04001177
Peter De Schrijver8dce89a2017-02-23 12:44:42 +02001178 if (!pllmb->params->defaults_set)
1179 pr_warn("PLL_MB already enabled. Postponing set full defaults\n");
Rhyland Klein6b301a02015-06-18 17:28:36 -04001180 /* Enable lock detect */
1181 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]);
1182 val &= ~mask;
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001183 val |= PLLMB_MISC1_DEFAULT_VALUE & mask;
Rhyland Klein6b301a02015-06-18 17:28:36 -04001184 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]);
1185 udelay(1);
1186
1187 return;
1188 }
1189
1190 /* set IDDQ, enable lock detect */
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001191 writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001192 clk_base + pllmb->params->ext_misc_reg[0]);
1193 udelay(1);
1194}
1195
1196/*
1197 * PLLP
1198 * VCO is exposed to the clock tree directly along with post-divider output.
1199 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz,
1200 * respectively.
1201 */
1202static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled)
1203{
1204 u32 val, mask;
1205
1206 /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */
1207 val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ);
1208 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1209 if (!enabled)
1210 mask |= PLLP_MISC0_IDDQ;
1211 _pll_misc_chk_default(clk_base, pll->params, 0, val,
1212 ~mask & PLLP_MISC0_WRITE_MASK);
1213
1214 /* Ignore branch controls */
1215 val = PLLP_MISC1_DEFAULT_VALUE;
1216 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1217 _pll_misc_chk_default(clk_base, pll->params, 1, val,
1218 ~mask & PLLP_MISC1_WRITE_MASK);
1219}
1220
Jon Hunterfd360e22015-12-04 17:04:24 +00001221static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp)
Rhyland Klein6b301a02015-06-18 17:28:36 -04001222{
1223 u32 mask;
1224 u32 val = readl_relaxed(clk_base + pllp->params->base_reg);
1225
1226 pllp->params->defaults_set = true;
1227
1228 if (val & PLL_ENABLE) {
Rhyland Klein6b301a02015-06-18 17:28:36 -04001229
1230 /*
1231 * PLL is ON: check if defaults already set, then set those
1232 * that can be updated in flight.
1233 */
1234 pllp_check_defaults(pllp, true);
Peter De Schrijver8dce89a2017-02-23 12:44:42 +02001235 if (!pllp->params->defaults_set)
1236 pr_warn("PLL_P already enabled. Postponing set full defaults\n");
Rhyland Klein6b301a02015-06-18 17:28:36 -04001237
1238 /* Enable lock detect */
1239 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]);
1240 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1241 val &= ~mask;
1242 val |= PLLP_MISC0_DEFAULT_VALUE & mask;
1243 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]);
1244 udelay(1);
1245
1246 return;
1247 }
1248
1249 /* set IDDQ, enable lock detect */
1250 writel_relaxed(PLLP_MISC0_DEFAULT_VALUE,
1251 clk_base + pllp->params->ext_misc_reg[0]);
1252
1253 /* Preserve branch control */
1254 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]);
1255 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1256 val &= mask;
1257 val |= ~mask & PLLP_MISC1_DEFAULT_VALUE;
1258 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]);
1259 udelay(1);
1260}
1261
1262/*
1263 * PLLU
1264 * VCO is exposed to the clock tree directly along with post-divider output.
1265 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz,
1266 * respectively.
1267 */
Peter De Schrijvere745f992017-03-14 16:12:49 +02001268static void pllu_check_defaults(struct tegra_clk_pll_params *params,
1269 bool hw_control)
Rhyland Klein6b301a02015-06-18 17:28:36 -04001270{
1271 u32 val, mask;
1272
1273 /* Ignore lock enable (will be set) and IDDQ if under h/w control */
1274 val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ);
1275 mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0);
Peter De Schrijvere745f992017-03-14 16:12:49 +02001276 _pll_misc_chk_default(clk_base, params, 0, val,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001277 ~mask & PLLU_MISC0_WRITE_MASK);
1278
1279 val = PLLU_MISC1_DEFAULT_VALUE;
1280 mask = PLLU_MISC1_LOCK_OVERRIDE;
Peter De Schrijvere745f992017-03-14 16:12:49 +02001281 _pll_misc_chk_default(clk_base, params, 1, val,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001282 ~mask & PLLU_MISC1_WRITE_MASK);
1283}
1284
Peter De Schrijvere745f992017-03-14 16:12:49 +02001285static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu)
Rhyland Klein6b301a02015-06-18 17:28:36 -04001286{
Peter De Schrijvere745f992017-03-14 16:12:49 +02001287 u32 val = readl_relaxed(clk_base + pllu->base_reg);
Rhyland Klein6b301a02015-06-18 17:28:36 -04001288
Peter De Schrijvere745f992017-03-14 16:12:49 +02001289 pllu->defaults_set = true;
Rhyland Klein6b301a02015-06-18 17:28:36 -04001290
1291 if (val & PLL_ENABLE) {
Rhyland Klein6b301a02015-06-18 17:28:36 -04001292
1293 /*
1294 * PLL is ON: check if defaults already set, then set those
1295 * that can be updated in flight.
1296 */
1297 pllu_check_defaults(pllu, false);
Peter De Schrijvere745f992017-03-14 16:12:49 +02001298 if (!pllu->defaults_set)
Peter De Schrijver8dce89a2017-02-23 12:44:42 +02001299 pr_warn("PLL_U already enabled. Postponing set full defaults\n");
Rhyland Klein6b301a02015-06-18 17:28:36 -04001300
1301 /* Enable lock detect */
Peter De Schrijvere745f992017-03-14 16:12:49 +02001302 val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]);
Rhyland Klein6b301a02015-06-18 17:28:36 -04001303 val &= ~PLLU_MISC0_LOCK_ENABLE;
1304 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE;
Peter De Schrijvere745f992017-03-14 16:12:49 +02001305 writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]);
Rhyland Klein6b301a02015-06-18 17:28:36 -04001306
Peter De Schrijvere745f992017-03-14 16:12:49 +02001307 val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]);
Rhyland Klein6b301a02015-06-18 17:28:36 -04001308 val &= ~PLLU_MISC1_LOCK_OVERRIDE;
1309 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE;
Peter De Schrijvere745f992017-03-14 16:12:49 +02001310 writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]);
Rhyland Klein6b301a02015-06-18 17:28:36 -04001311 udelay(1);
1312
1313 return;
1314 }
1315
1316 /* set IDDQ, enable lock detect */
1317 writel_relaxed(PLLU_MISC0_DEFAULT_VALUE,
Peter De Schrijvere745f992017-03-14 16:12:49 +02001318 clk_base + pllu->ext_misc_reg[0]);
Rhyland Klein6b301a02015-06-18 17:28:36 -04001319 writel_relaxed(PLLU_MISC1_DEFAULT_VALUE,
Peter De Schrijvere745f992017-03-14 16:12:49 +02001320 clk_base + pllu->ext_misc_reg[1]);
Rhyland Klein6b301a02015-06-18 17:28:36 -04001321 udelay(1);
1322}
1323
1324#define mask(w) ((1 << (w)) - 1)
1325#define divm_mask(p) mask(p->params->div_nmp->divm_width)
1326#define divn_mask(p) mask(p->params->div_nmp->divn_width)
1327#define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
1328 mask(p->params->div_nmp->divp_width))
1329
1330#define divm_shift(p) ((p)->params->div_nmp->divm_shift)
1331#define divn_shift(p) ((p)->params->div_nmp->divn_shift)
1332#define divp_shift(p) ((p)->params->div_nmp->divp_shift)
1333
1334#define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
1335#define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
1336#define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
1337
1338#define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */
1339static int tegra210_wait_for_mask(struct tegra_clk_pll *pll,
1340 u32 reg, u32 mask)
1341{
1342 int i;
1343 u32 val = 0;
1344
1345 for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) {
1346 udelay(PLL_LOCKDET_DELAY);
1347 val = readl_relaxed(clk_base + reg);
1348 if ((val & mask) == mask) {
1349 udelay(PLL_LOCKDET_DELAY);
1350 return 0;
1351 }
1352 }
1353 return -ETIMEDOUT;
1354}
1355
1356static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx,
1357 struct tegra_clk_pll_freq_table *cfg)
1358{
1359 u32 val, base, ndiv_new_mask;
1360
1361 ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift)
1362 << PLLX_MISC2_NDIV_NEW_SHIFT;
1363
1364 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1365 val &= (~ndiv_new_mask);
1366 val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT;
1367 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1368 udelay(1);
1369
1370 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1371 val |= PLLX_MISC2_EN_DYNRAMP;
1372 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1373 udelay(1);
1374
1375 tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2],
1376 PLLX_MISC2_DYNRAMP_DONE);
1377
1378 base = readl_relaxed(clk_base + pllx->params->base_reg) &
1379 (~divn_mask_shifted(pllx));
1380 base |= cfg->n << pllx->params->div_nmp->divn_shift;
1381 writel_relaxed(base, clk_base + pllx->params->base_reg);
1382 udelay(1);
1383
1384 val &= ~PLLX_MISC2_EN_DYNRAMP;
1385 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1386 udelay(1);
1387
1388 pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n",
1389 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p,
1390 cfg->input_rate / cfg->m * cfg->n /
1391 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000);
1392
1393 return 0;
1394}
1395
1396/*
1397 * Common configuration for PLLs with fixed input divider policy:
1398 * - always set fixed M-value based on the reference rate
1399 * - always set P-value value 1:1 for output rates above VCO minimum, and
1400 * choose minimum necessary P-value for output rates below VCO maximum
1401 * - calculate N-value based on selected M and P
1402 * - calculate SDM_DIN fractional part
1403 */
1404static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
1405 struct tegra_clk_pll_freq_table *cfg,
1406 unsigned long rate, unsigned long input_rate)
1407{
1408 struct tegra_clk_pll *pll = to_clk_pll(hw);
1409 struct tegra_clk_pll_params *params = pll->params;
1410 int p;
1411 unsigned long cf, p_rate;
1412 u32 pdiv;
1413
1414 if (!rate)
1415 return -EINVAL;
1416
1417 if (!(params->flags & TEGRA_PLL_VCO_OUT)) {
1418 p = DIV_ROUND_UP(params->vco_min, rate);
1419 p = params->round_p_to_pdiv(p, &pdiv);
1420 } else {
1421 p = rate >= params->vco_min ? 1 : -EINVAL;
1422 }
1423
Arnd Bergmann287980e2016-05-27 23:23:25 +02001424 if (p < 0)
Rhyland Klein6b301a02015-06-18 17:28:36 -04001425 return -EINVAL;
1426
1427 cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate);
1428 cfg->p = p;
1429
1430 /* Store P as HW value, as that is what is expected */
1431 cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p);
1432
1433 p_rate = rate * p;
1434 if (p_rate > params->vco_max)
1435 p_rate = params->vco_max;
1436 cf = input_rate / cfg->m;
1437 cfg->n = p_rate / cf;
1438
1439 cfg->sdm_data = 0;
Peter De Schrijveref6ed2b2017-02-23 12:44:43 +02001440 cfg->output_rate = input_rate;
Rhyland Klein6b301a02015-06-18 17:28:36 -04001441 if (params->sdm_ctrl_reg) {
1442 unsigned long rem = p_rate - cf * cfg->n;
1443 /* If ssc is enabled SDM enabled as well, even for integer n */
1444 if (rem || params->ssc_ctrl_reg) {
1445 u64 s = rem * PLL_SDM_COEFF;
1446
1447 do_div(s, cf);
1448 s -= PLL_SDM_COEFF / 2;
1449 cfg->sdm_data = sdin_din_to_data(s);
1450 }
Alex Frida851ea22017-07-25 13:34:07 +03001451 cfg->output_rate *= sdin_get_n_eff(cfg);
Peter De Schrijveref6ed2b2017-02-23 12:44:43 +02001452 cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF;
1453 } else {
1454 cfg->output_rate *= cfg->n;
1455 cfg->output_rate /= p * cfg->m;
Rhyland Klein6b301a02015-06-18 17:28:36 -04001456 }
1457
1458 cfg->input_rate = input_rate;
Rhyland Klein6b301a02015-06-18 17:28:36 -04001459
1460 return 0;
1461}
1462
1463/*
1464 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate
1465 *
1466 * @cfg: struct tegra_clk_pll_freq_table * cfg
1467 *
1468 * For Normal mode:
1469 * Fvco = Fref * NDIV / MDIV
1470 *
1471 * For fractional mode:
1472 * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV
1473 */
1474static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg)
1475{
Alex Frida851ea22017-07-25 13:34:07 +03001476 cfg->n = sdin_get_n_eff(cfg);
Rhyland Klein6b301a02015-06-18 17:28:36 -04001477 cfg->m *= PLL_SDM_COEFF;
1478}
1479
Jon Hunterfd360e22015-12-04 17:04:24 +00001480static unsigned long
1481tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params,
1482 unsigned long parent_rate)
Rhyland Klein6b301a02015-06-18 17:28:36 -04001483{
1484 unsigned long vco_min = params->vco_min;
1485
1486 params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF);
1487 vco_min = min(vco_min, params->vco_min);
1488
1489 return vco_min;
1490}
1491
1492static struct div_nmp pllx_nmp = {
1493 .divm_shift = 0,
1494 .divm_width = 8,
1495 .divn_shift = 8,
1496 .divn_width = 8,
1497 .divp_shift = 20,
1498 .divp_width = 5,
1499};
1500/*
1501 * PLL post divider maps - two types: quasi-linear and exponential
1502 * post divider.
1503 */
1504#define PLL_QLIN_PDIV_MAX 16
1505static const struct pdiv_map pll_qlin_pdiv_to_hw[] = {
1506 { .pdiv = 1, .hw_val = 0 },
1507 { .pdiv = 2, .hw_val = 1 },
1508 { .pdiv = 3, .hw_val = 2 },
1509 { .pdiv = 4, .hw_val = 3 },
1510 { .pdiv = 5, .hw_val = 4 },
1511 { .pdiv = 6, .hw_val = 5 },
1512 { .pdiv = 8, .hw_val = 6 },
1513 { .pdiv = 9, .hw_val = 7 },
1514 { .pdiv = 10, .hw_val = 8 },
1515 { .pdiv = 12, .hw_val = 9 },
1516 { .pdiv = 15, .hw_val = 10 },
1517 { .pdiv = 16, .hw_val = 11 },
1518 { .pdiv = 18, .hw_val = 12 },
1519 { .pdiv = 20, .hw_val = 13 },
1520 { .pdiv = 24, .hw_val = 14 },
1521 { .pdiv = 30, .hw_val = 15 },
1522 { .pdiv = 32, .hw_val = 16 },
1523};
1524
1525static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv)
1526{
1527 int i;
1528
1529 if (p) {
1530 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) {
1531 if (p <= pll_qlin_pdiv_to_hw[i].pdiv) {
1532 if (pdiv)
1533 *pdiv = i;
1534 return pll_qlin_pdiv_to_hw[i].pdiv;
1535 }
1536 }
1537 }
1538
1539 return -EINVAL;
1540}
1541
1542#define PLL_EXPO_PDIV_MAX 7
1543static const struct pdiv_map pll_expo_pdiv_to_hw[] = {
1544 { .pdiv = 1, .hw_val = 0 },
1545 { .pdiv = 2, .hw_val = 1 },
1546 { .pdiv = 4, .hw_val = 2 },
1547 { .pdiv = 8, .hw_val = 3 },
1548 { .pdiv = 16, .hw_val = 4 },
1549 { .pdiv = 32, .hw_val = 5 },
1550 { .pdiv = 64, .hw_val = 6 },
1551 { .pdiv = 128, .hw_val = 7 },
1552};
1553
1554static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv)
1555{
1556 if (p) {
1557 u32 i = fls(p);
1558
1559 if (i == ffs(p))
1560 i--;
1561
1562 if (i <= PLL_EXPO_PDIV_MAX) {
1563 if (pdiv)
1564 *pdiv = i;
1565 return 1 << i;
1566 }
1567 }
1568 return -EINVAL;
1569}
1570
1571static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
1572 /* 1 GHz */
Thierry Redingeddb65e2016-02-05 17:17:32 +01001573 { 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */
1574 { 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */
1575 { 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */
Rhyland Klein6b301a02015-06-18 17:28:36 -04001576 { 0, 0, 0, 0, 0, 0 },
1577};
1578
1579static struct tegra_clk_pll_params pll_x_params = {
1580 .input_min = 12000000,
1581 .input_max = 800000000,
1582 .cf_min = 12000000,
1583 .cf_max = 38400000,
1584 .vco_min = 1350000000,
1585 .vco_max = 3000000000UL,
1586 .base_reg = PLLX_BASE,
1587 .misc_reg = PLLX_MISC0,
1588 .lock_mask = PLL_BASE_LOCK,
1589 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
1590 .lock_delay = 300,
1591 .ext_misc_reg[0] = PLLX_MISC0,
1592 .ext_misc_reg[1] = PLLX_MISC1,
1593 .ext_misc_reg[2] = PLLX_MISC2,
1594 .ext_misc_reg[3] = PLLX_MISC3,
1595 .ext_misc_reg[4] = PLLX_MISC4,
1596 .ext_misc_reg[5] = PLLX_MISC5,
1597 .iddq_reg = PLLX_MISC3,
1598 .iddq_bit_idx = PLLXP_IDDQ_BIT,
1599 .max_p = PLL_QLIN_PDIV_MAX,
1600 .mdiv_default = 2,
1601 .dyn_ramp_reg = PLLX_MISC2,
1602 .stepa_shift = 16,
1603 .stepb_shift = 24,
1604 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1605 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1606 .div_nmp = &pllx_nmp,
1607 .freq_table = pll_x_freq_table,
1608 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1609 .dyn_ramp = tegra210_pllx_dyn_ramp,
1610 .set_defaults = tegra210_pllx_set_defaults,
1611 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1612};
1613
1614static struct div_nmp pllc_nmp = {
1615 .divm_shift = 0,
1616 .divm_width = 8,
1617 .divn_shift = 10,
1618 .divn_width = 8,
1619 .divp_shift = 20,
1620 .divp_width = 5,
1621};
1622
1623static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
Thierry Redingeddb65e2016-02-05 17:17:32 +01001624 { 12000000, 510000000, 85, 1, 2, 0 },
1625 { 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */
1626 { 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */
Rhyland Klein6b301a02015-06-18 17:28:36 -04001627 { 0, 0, 0, 0, 0, 0 },
1628};
1629
1630static struct tegra_clk_pll_params pll_c_params = {
1631 .input_min = 12000000,
1632 .input_max = 700000000,
1633 .cf_min = 12000000,
1634 .cf_max = 50000000,
1635 .vco_min = 600000000,
1636 .vco_max = 1200000000,
1637 .base_reg = PLLC_BASE,
1638 .misc_reg = PLLC_MISC0,
1639 .lock_mask = PLL_BASE_LOCK,
1640 .lock_delay = 300,
1641 .iddq_reg = PLLC_MISC1,
1642 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1643 .reset_reg = PLLC_MISC0,
1644 .reset_bit_idx = PLLCX_RESET_BIT,
1645 .max_p = PLL_QLIN_PDIV_MAX,
1646 .ext_misc_reg[0] = PLLC_MISC0,
1647 .ext_misc_reg[1] = PLLC_MISC1,
1648 .ext_misc_reg[2] = PLLC_MISC2,
1649 .ext_misc_reg[3] = PLLC_MISC3,
1650 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1651 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1652 .mdiv_default = 3,
1653 .div_nmp = &pllc_nmp,
1654 .freq_table = pll_cx_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001655 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001656 .set_defaults = _pllc_set_defaults,
1657 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1658};
1659
1660static struct div_nmp pllcx_nmp = {
1661 .divm_shift = 0,
1662 .divm_width = 8,
1663 .divn_shift = 10,
1664 .divn_width = 8,
1665 .divp_shift = 20,
1666 .divp_width = 5,
1667};
1668
1669static struct tegra_clk_pll_params pll_c2_params = {
1670 .input_min = 12000000,
1671 .input_max = 700000000,
1672 .cf_min = 12000000,
1673 .cf_max = 50000000,
1674 .vco_min = 600000000,
1675 .vco_max = 1200000000,
1676 .base_reg = PLLC2_BASE,
1677 .misc_reg = PLLC2_MISC0,
1678 .iddq_reg = PLLC2_MISC1,
1679 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1680 .reset_reg = PLLC2_MISC0,
1681 .reset_bit_idx = PLLCX_RESET_BIT,
1682 .lock_mask = PLLCX_BASE_LOCK,
1683 .lock_delay = 300,
1684 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1685 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1686 .mdiv_default = 3,
1687 .div_nmp = &pllcx_nmp,
1688 .max_p = PLL_QLIN_PDIV_MAX,
1689 .ext_misc_reg[0] = PLLC2_MISC0,
1690 .ext_misc_reg[1] = PLLC2_MISC1,
1691 .ext_misc_reg[2] = PLLC2_MISC2,
1692 .ext_misc_reg[3] = PLLC2_MISC3,
1693 .freq_table = pll_cx_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001694 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001695 .set_defaults = _pllc2_set_defaults,
1696 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1697};
1698
1699static struct tegra_clk_pll_params pll_c3_params = {
1700 .input_min = 12000000,
1701 .input_max = 700000000,
1702 .cf_min = 12000000,
1703 .cf_max = 50000000,
1704 .vco_min = 600000000,
1705 .vco_max = 1200000000,
1706 .base_reg = PLLC3_BASE,
1707 .misc_reg = PLLC3_MISC0,
1708 .lock_mask = PLLCX_BASE_LOCK,
1709 .lock_delay = 300,
1710 .iddq_reg = PLLC3_MISC1,
1711 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1712 .reset_reg = PLLC3_MISC0,
1713 .reset_bit_idx = PLLCX_RESET_BIT,
1714 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1715 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1716 .mdiv_default = 3,
1717 .div_nmp = &pllcx_nmp,
1718 .max_p = PLL_QLIN_PDIV_MAX,
1719 .ext_misc_reg[0] = PLLC3_MISC0,
1720 .ext_misc_reg[1] = PLLC3_MISC1,
1721 .ext_misc_reg[2] = PLLC3_MISC2,
1722 .ext_misc_reg[3] = PLLC3_MISC3,
1723 .freq_table = pll_cx_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001724 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001725 .set_defaults = _pllc3_set_defaults,
1726 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1727};
1728
1729static struct div_nmp pllss_nmp = {
1730 .divm_shift = 0,
1731 .divm_width = 8,
1732 .divn_shift = 8,
1733 .divn_width = 8,
1734 .divp_shift = 19,
1735 .divp_width = 5,
1736};
1737
1738static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = {
Thierry Redingeddb65e2016-02-05 17:17:32 +01001739 { 12000000, 600000000, 50, 1, 1, 0 },
1740 { 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */
1741 { 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */
Rhyland Klein6b301a02015-06-18 17:28:36 -04001742 { 0, 0, 0, 0, 0, 0 },
1743};
1744
1745static const struct clk_div_table pll_vco_post_div_table[] = {
1746 { .val = 0, .div = 1 },
1747 { .val = 1, .div = 2 },
1748 { .val = 2, .div = 3 },
1749 { .val = 3, .div = 4 },
1750 { .val = 4, .div = 5 },
1751 { .val = 5, .div = 6 },
1752 { .val = 6, .div = 8 },
1753 { .val = 7, .div = 10 },
1754 { .val = 8, .div = 12 },
1755 { .val = 9, .div = 16 },
1756 { .val = 10, .div = 12 },
1757 { .val = 11, .div = 16 },
1758 { .val = 12, .div = 20 },
1759 { .val = 13, .div = 24 },
1760 { .val = 14, .div = 32 },
1761 { .val = 0, .div = 0 },
1762};
1763
1764static struct tegra_clk_pll_params pll_c4_vco_params = {
1765 .input_min = 9600000,
1766 .input_max = 800000000,
1767 .cf_min = 9600000,
1768 .cf_max = 19200000,
1769 .vco_min = 500000000,
1770 .vco_max = 1080000000,
1771 .base_reg = PLLC4_BASE,
1772 .misc_reg = PLLC4_MISC0,
1773 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001774 .lock_delay = 300,
1775 .max_p = PLL_QLIN_PDIV_MAX,
1776 .ext_misc_reg[0] = PLLC4_MISC0,
1777 .iddq_reg = PLLC4_BASE,
1778 .iddq_bit_idx = PLLSS_IDDQ_BIT,
1779 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1780 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1781 .mdiv_default = 3,
1782 .div_nmp = &pllss_nmp,
1783 .freq_table = pll_c4_vco_freq_table,
1784 .set_defaults = tegra210_pllc4_set_defaults,
Rhyland Klein14050112016-01-14 14:24:31 -05001785 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001786 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1787};
1788
1789static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
Thierry Redingeddb65e2016-02-05 17:17:32 +01001790 { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */
1791 { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */
1792 { 38400000, 297600000, 93, 4, 3, 0 },
1793 { 38400000, 400000000, 125, 4, 3, 0 },
1794 { 38400000, 532800000, 111, 4, 2, 0 },
1795 { 38400000, 665600000, 104, 3, 2, 0 },
1796 { 38400000, 800000000, 125, 3, 2, 0 },
1797 { 38400000, 931200000, 97, 4, 1, 0 },
1798 { 38400000, 1065600000, 111, 4, 1, 0 },
1799 { 38400000, 1200000000, 125, 4, 1, 0 },
1800 { 38400000, 1331200000, 104, 3, 1, 0 },
1801 { 38400000, 1459200000, 76, 2, 1, 0 },
1802 { 38400000, 1600000000, 125, 3, 1, 0 },
Rhyland Klein6b301a02015-06-18 17:28:36 -04001803 { 0, 0, 0, 0, 0, 0 },
1804};
1805
1806static struct div_nmp pllm_nmp = {
1807 .divm_shift = 0,
1808 .divm_width = 8,
1809 .override_divm_shift = 0,
1810 .divn_shift = 8,
1811 .divn_width = 8,
1812 .override_divn_shift = 8,
1813 .divp_shift = 20,
1814 .divp_width = 5,
1815 .override_divp_shift = 27,
1816};
1817
1818static struct tegra_clk_pll_params pll_m_params = {
1819 .input_min = 9600000,
1820 .input_max = 500000000,
1821 .cf_min = 9600000,
1822 .cf_max = 19200000,
1823 .vco_min = 800000000,
1824 .vco_max = 1866000000,
1825 .base_reg = PLLM_BASE,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001826 .misc_reg = PLLM_MISC2,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001827 .lock_mask = PLL_BASE_LOCK,
1828 .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE,
1829 .lock_delay = 300,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001830 .iddq_reg = PLLM_MISC2,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001831 .iddq_bit_idx = PLLM_IDDQ_BIT,
1832 .max_p = PLL_QLIN_PDIV_MAX,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001833 .ext_misc_reg[0] = PLLM_MISC2,
Jon Hunterd9e65792015-12-04 17:04:23 +00001834 .ext_misc_reg[1] = PLLM_MISC1,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001835 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1836 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1837 .div_nmp = &pllm_nmp,
1838 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
1839 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
1840 .freq_table = pll_m_freq_table,
1841 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1842 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1843};
1844
1845static struct tegra_clk_pll_params pll_mb_params = {
1846 .input_min = 9600000,
1847 .input_max = 500000000,
1848 .cf_min = 9600000,
1849 .cf_max = 19200000,
1850 .vco_min = 800000000,
1851 .vco_max = 1866000000,
1852 .base_reg = PLLMB_BASE,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001853 .misc_reg = PLLMB_MISC1,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001854 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001855 .lock_delay = 300,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001856 .iddq_reg = PLLMB_MISC1,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001857 .iddq_bit_idx = PLLMB_IDDQ_BIT,
1858 .max_p = PLL_QLIN_PDIV_MAX,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001859 .ext_misc_reg[0] = PLLMB_MISC1,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001860 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1861 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1862 .div_nmp = &pllm_nmp,
1863 .freq_table = pll_m_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001864 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001865 .set_defaults = tegra210_pllmb_set_defaults,
1866 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1867};
1868
1869
1870static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
1871 /* PLLE special case: use cpcon field to store cml divider value */
1872 { 672000000, 100000000, 125, 42, 0, 13 },
1873 { 624000000, 100000000, 125, 39, 0, 13 },
1874 { 336000000, 100000000, 125, 21, 0, 13 },
1875 { 312000000, 100000000, 200, 26, 0, 14 },
1876 { 38400000, 100000000, 125, 2, 0, 14 },
1877 { 12000000, 100000000, 200, 1, 0, 14 },
1878 { 0, 0, 0, 0, 0, 0 },
1879};
1880
1881static struct div_nmp plle_nmp = {
1882 .divm_shift = 0,
1883 .divm_width = 8,
1884 .divn_shift = 8,
1885 .divn_width = 8,
1886 .divp_shift = 24,
1887 .divp_width = 5,
1888};
1889
1890static struct tegra_clk_pll_params pll_e_params = {
1891 .input_min = 12000000,
1892 .input_max = 800000000,
1893 .cf_min = 12000000,
1894 .cf_max = 38400000,
1895 .vco_min = 1600000000,
1896 .vco_max = 2500000000U,
1897 .base_reg = PLLE_BASE,
1898 .misc_reg = PLLE_MISC0,
1899 .aux_reg = PLLE_AUX,
1900 .lock_mask = PLLE_MISC_LOCK,
1901 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
1902 .lock_delay = 300,
1903 .div_nmp = &plle_nmp,
1904 .freq_table = pll_e_freq_table,
1905 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK |
1906 TEGRA_PLL_HAS_LOCK_ENABLE,
1907 .fixed_rate = 100000000,
1908 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1909};
1910
1911static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = {
Thierry Redingeddb65e2016-02-05 17:17:32 +01001912 { 12000000, 672000000, 56, 1, 1, 0 },
1913 { 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */
1914 { 38400000, 672000000, 70, 4, 1, 0 },
Rhyland Klein6b301a02015-06-18 17:28:36 -04001915 { 0, 0, 0, 0, 0, 0 },
1916};
1917
1918static struct div_nmp pllre_nmp = {
1919 .divm_shift = 0,
1920 .divm_width = 8,
1921 .divn_shift = 8,
1922 .divn_width = 8,
1923 .divp_shift = 16,
1924 .divp_width = 5,
1925};
1926
1927static struct tegra_clk_pll_params pll_re_vco_params = {
1928 .input_min = 9600000,
1929 .input_max = 800000000,
1930 .cf_min = 9600000,
1931 .cf_max = 19200000,
1932 .vco_min = 350000000,
1933 .vco_max = 700000000,
1934 .base_reg = PLLRE_BASE,
1935 .misc_reg = PLLRE_MISC0,
1936 .lock_mask = PLLRE_MISC_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001937 .lock_delay = 300,
1938 .max_p = PLL_QLIN_PDIV_MAX,
1939 .ext_misc_reg[0] = PLLRE_MISC0,
1940 .iddq_reg = PLLRE_MISC0,
1941 .iddq_bit_idx = PLLRE_IDDQ_BIT,
1942 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1943 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1944 .div_nmp = &pllre_nmp,
1945 .freq_table = pll_re_vco_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001946 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001947 .set_defaults = tegra210_pllre_set_defaults,
1948 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1949};
1950
1951static struct div_nmp pllp_nmp = {
1952 .divm_shift = 0,
1953 .divm_width = 8,
1954 .divn_shift = 10,
1955 .divn_width = 8,
1956 .divp_shift = 20,
1957 .divp_width = 5,
1958};
1959
1960static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
Thierry Redingeddb65e2016-02-05 17:17:32 +01001961 { 12000000, 408000000, 34, 1, 1, 0 },
1962 { 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */
Rhyland Klein6b301a02015-06-18 17:28:36 -04001963 { 0, 0, 0, 0, 0, 0 },
1964};
1965
1966static struct tegra_clk_pll_params pll_p_params = {
1967 .input_min = 9600000,
1968 .input_max = 800000000,
1969 .cf_min = 9600000,
1970 .cf_max = 19200000,
1971 .vco_min = 350000000,
1972 .vco_max = 700000000,
1973 .base_reg = PLLP_BASE,
1974 .misc_reg = PLLP_MISC0,
1975 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001976 .lock_delay = 300,
1977 .iddq_reg = PLLP_MISC0,
1978 .iddq_bit_idx = PLLXP_IDDQ_BIT,
1979 .ext_misc_reg[0] = PLLP_MISC0,
1980 .ext_misc_reg[1] = PLLP_MISC1,
1981 .div_nmp = &pllp_nmp,
1982 .freq_table = pll_p_freq_table,
1983 .fixed_rate = 408000000,
Rhyland Klein14050112016-01-14 14:24:31 -05001984 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001985 .set_defaults = tegra210_pllp_set_defaults,
1986 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1987};
1988
1989static struct tegra_clk_pll_params pll_a1_params = {
1990 .input_min = 12000000,
1991 .input_max = 700000000,
1992 .cf_min = 12000000,
1993 .cf_max = 50000000,
1994 .vco_min = 600000000,
1995 .vco_max = 1200000000,
1996 .base_reg = PLLA1_BASE,
1997 .misc_reg = PLLA1_MISC0,
1998 .lock_mask = PLLCX_BASE_LOCK,
1999 .lock_delay = 300,
Peter De Schrijver93269472017-02-23 12:44:38 +02002000 .iddq_reg = PLLA1_MISC1,
Rhyland Klein6b301a02015-06-18 17:28:36 -04002001 .iddq_bit_idx = PLLCX_IDDQ_BIT,
2002 .reset_reg = PLLA1_MISC0,
2003 .reset_bit_idx = PLLCX_RESET_BIT,
2004 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2005 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2006 .div_nmp = &pllc_nmp,
2007 .ext_misc_reg[0] = PLLA1_MISC0,
2008 .ext_misc_reg[1] = PLLA1_MISC1,
2009 .ext_misc_reg[2] = PLLA1_MISC2,
2010 .ext_misc_reg[3] = PLLA1_MISC3,
2011 .freq_table = pll_cx_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05002012 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04002013 .set_defaults = _plla1_set_defaults,
2014 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2015};
2016
2017static struct div_nmp plla_nmp = {
2018 .divm_shift = 0,
2019 .divm_width = 8,
2020 .divn_shift = 8,
2021 .divn_width = 8,
2022 .divp_shift = 20,
2023 .divp_width = 5,
2024};
2025
2026static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
Thierry Redingeddb65e2016-02-05 17:17:32 +01002027 { 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */
2028 { 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */
2029 { 12000000, 240000000, 60, 1, 3, 1, 0 },
2030 { 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */
2031 { 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */
2032 { 13000000, 240000000, 55, 1, 3, 1, 0 }, /* actual: 238.3 MHz */
2033 { 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */
2034 { 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */
Rhyland Klein6b301a02015-06-18 17:28:36 -04002035 { 38400000, 240000000, 75, 3, 3, 1, 0 },
2036 { 0, 0, 0, 0, 0, 0, 0 },
2037};
2038
2039static struct tegra_clk_pll_params pll_a_params = {
2040 .input_min = 12000000,
2041 .input_max = 800000000,
2042 .cf_min = 12000000,
2043 .cf_max = 19200000,
2044 .vco_min = 500000000,
2045 .vco_max = 1000000000,
2046 .base_reg = PLLA_BASE,
2047 .misc_reg = PLLA_MISC0,
2048 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04002049 .lock_delay = 300,
2050 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2051 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2052 .iddq_reg = PLLA_BASE,
2053 .iddq_bit_idx = PLLA_IDDQ_BIT,
2054 .div_nmp = &plla_nmp,
2055 .sdm_din_reg = PLLA_MISC1,
2056 .sdm_din_mask = PLLA_SDM_DIN_MASK,
2057 .sdm_ctrl_reg = PLLA_MISC2,
2058 .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK,
2059 .ext_misc_reg[0] = PLLA_MISC0,
2060 .ext_misc_reg[1] = PLLA_MISC1,
2061 .ext_misc_reg[2] = PLLA_MISC2,
2062 .freq_table = pll_a_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05002063 .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW,
Rhyland Klein6b301a02015-06-18 17:28:36 -04002064 .set_defaults = tegra210_plla_set_defaults,
2065 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2066 .set_gain = tegra210_clk_pll_set_gain,
2067 .adjust_vco = tegra210_clk_adjust_vco_min,
2068};
2069
2070static struct div_nmp plld_nmp = {
2071 .divm_shift = 0,
2072 .divm_width = 8,
2073 .divn_shift = 11,
2074 .divn_width = 8,
2075 .divp_shift = 20,
2076 .divp_width = 3,
2077};
2078
2079static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
Thierry Redingeddb65e2016-02-05 17:17:32 +01002080 { 12000000, 594000000, 99, 1, 2, 0, 0 },
2081 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
2082 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
Rhyland Klein6b301a02015-06-18 17:28:36 -04002083 { 0, 0, 0, 0, 0, 0, 0 },
2084};
2085
2086static struct tegra_clk_pll_params pll_d_params = {
2087 .input_min = 12000000,
2088 .input_max = 800000000,
2089 .cf_min = 12000000,
2090 .cf_max = 38400000,
2091 .vco_min = 750000000,
2092 .vco_max = 1500000000,
2093 .base_reg = PLLD_BASE,
2094 .misc_reg = PLLD_MISC0,
2095 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04002096 .lock_delay = 1000,
2097 .iddq_reg = PLLD_MISC0,
2098 .iddq_bit_idx = PLLD_IDDQ_BIT,
2099 .round_p_to_pdiv = pll_expo_p_to_pdiv,
2100 .pdiv_tohw = pll_expo_pdiv_to_hw,
2101 .div_nmp = &plld_nmp,
2102 .sdm_din_reg = PLLD_MISC0,
2103 .sdm_din_mask = PLLA_SDM_DIN_MASK,
2104 .sdm_ctrl_reg = PLLD_MISC0,
2105 .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK,
2106 .ext_misc_reg[0] = PLLD_MISC0,
2107 .ext_misc_reg[1] = PLLD_MISC1,
2108 .freq_table = pll_d_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05002109 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04002110 .mdiv_default = 1,
2111 .set_defaults = tegra210_plld_set_defaults,
2112 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2113 .set_gain = tegra210_clk_pll_set_gain,
2114 .adjust_vco = tegra210_clk_adjust_vco_min,
2115};
2116
2117static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = {
Thierry Redingeddb65e2016-02-05 17:17:32 +01002118 { 12000000, 594000000, 99, 1, 2, 0, 0xf000 },
2119 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
2120 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
Rhyland Klein6b301a02015-06-18 17:28:36 -04002121 { 0, 0, 0, 0, 0, 0, 0 },
2122};
2123
2124/* s/w policy, always tegra_pll_ref */
2125static struct tegra_clk_pll_params pll_d2_params = {
2126 .input_min = 12000000,
2127 .input_max = 800000000,
2128 .cf_min = 12000000,
2129 .cf_max = 38400000,
2130 .vco_min = 750000000,
2131 .vco_max = 1500000000,
2132 .base_reg = PLLD2_BASE,
2133 .misc_reg = PLLD2_MISC0,
2134 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04002135 .lock_delay = 300,
2136 .iddq_reg = PLLD2_BASE,
2137 .iddq_bit_idx = PLLSS_IDDQ_BIT,
2138 .sdm_din_reg = PLLD2_MISC3,
2139 .sdm_din_mask = PLLA_SDM_DIN_MASK,
2140 .sdm_ctrl_reg = PLLD2_MISC1,
2141 .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK,
Thierry Redinge2f71652015-08-05 16:29:40 +02002142 /* disable spread-spectrum for pll_d2 */
2143 .ssc_ctrl_reg = 0,
2144 .ssc_ctrl_en_mask = 0,
Rhyland Klein6b301a02015-06-18 17:28:36 -04002145 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2146 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2147 .div_nmp = &pllss_nmp,
2148 .ext_misc_reg[0] = PLLD2_MISC0,
2149 .ext_misc_reg[1] = PLLD2_MISC1,
2150 .ext_misc_reg[2] = PLLD2_MISC2,
2151 .ext_misc_reg[3] = PLLD2_MISC3,
2152 .max_p = PLL_QLIN_PDIV_MAX,
2153 .mdiv_default = 1,
2154 .freq_table = tegra210_pll_d2_freq_table,
2155 .set_defaults = tegra210_plld2_set_defaults,
Rhyland Klein14050112016-01-14 14:24:31 -05002156 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04002157 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2158 .set_gain = tegra210_clk_pll_set_gain,
2159 .adjust_vco = tegra210_clk_adjust_vco_min,
2160};
2161
2162static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = {
Thierry Redingeddb65e2016-02-05 17:17:32 +01002163 { 12000000, 270000000, 90, 1, 4, 0, 0xf000 },
2164 { 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */
2165 { 38400000, 270000000, 28, 1, 4, 0, 0xf400 },
Rhyland Klein6b301a02015-06-18 17:28:36 -04002166 { 0, 0, 0, 0, 0, 0, 0 },
2167};
2168
2169static struct tegra_clk_pll_params pll_dp_params = {
2170 .input_min = 12000000,
2171 .input_max = 800000000,
2172 .cf_min = 12000000,
2173 .cf_max = 38400000,
2174 .vco_min = 750000000,
2175 .vco_max = 1500000000,
2176 .base_reg = PLLDP_BASE,
2177 .misc_reg = PLLDP_MISC,
2178 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04002179 .lock_delay = 300,
2180 .iddq_reg = PLLDP_BASE,
2181 .iddq_bit_idx = PLLSS_IDDQ_BIT,
2182 .sdm_din_reg = PLLDP_SS_CTRL2,
2183 .sdm_din_mask = PLLA_SDM_DIN_MASK,
2184 .sdm_ctrl_reg = PLLDP_SS_CFG,
2185 .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK,
2186 .ssc_ctrl_reg = PLLDP_SS_CFG,
2187 .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK,
2188 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2189 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2190 .div_nmp = &pllss_nmp,
2191 .ext_misc_reg[0] = PLLDP_MISC,
2192 .ext_misc_reg[1] = PLLDP_SS_CFG,
2193 .ext_misc_reg[2] = PLLDP_SS_CTRL1,
2194 .ext_misc_reg[3] = PLLDP_SS_CTRL2,
2195 .max_p = PLL_QLIN_PDIV_MAX,
2196 .mdiv_default = 1,
2197 .freq_table = pll_dp_freq_table,
2198 .set_defaults = tegra210_plldp_set_defaults,
Rhyland Klein14050112016-01-14 14:24:31 -05002199 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04002200 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2201 .set_gain = tegra210_clk_pll_set_gain,
2202 .adjust_vco = tegra210_clk_adjust_vco_min,
2203};
2204
2205static struct div_nmp pllu_nmp = {
2206 .divm_shift = 0,
2207 .divm_width = 8,
2208 .divn_shift = 8,
2209 .divn_width = 8,
2210 .divp_shift = 16,
2211 .divp_width = 5,
2212};
2213
2214static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
Peter De Schrijvere745f992017-03-14 16:12:49 +02002215 { 12000000, 480000000, 40, 1, 0, 0 },
2216 { 13000000, 480000000, 36, 1, 0, 0 }, /* actual: 468.0 MHz */
2217 { 38400000, 480000000, 25, 2, 0, 0 },
Rhyland Klein6b301a02015-06-18 17:28:36 -04002218 { 0, 0, 0, 0, 0, 0 },
2219};
2220
2221static struct tegra_clk_pll_params pll_u_vco_params = {
2222 .input_min = 9600000,
2223 .input_max = 800000000,
2224 .cf_min = 9600000,
2225 .cf_max = 19200000,
2226 .vco_min = 350000000,
2227 .vco_max = 700000000,
2228 .base_reg = PLLU_BASE,
2229 .misc_reg = PLLU_MISC0,
2230 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04002231 .lock_delay = 1000,
2232 .iddq_reg = PLLU_MISC0,
2233 .iddq_bit_idx = PLLU_IDDQ_BIT,
2234 .ext_misc_reg[0] = PLLU_MISC0,
2235 .ext_misc_reg[1] = PLLU_MISC1,
2236 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2237 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2238 .div_nmp = &pllu_nmp,
2239 .freq_table = pll_u_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05002240 .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
Peter De Schrijvere745f992017-03-14 16:12:49 +02002241};
2242
2243struct utmi_clk_param {
2244 /* Oscillator Frequency in KHz */
2245 u32 osc_frequency;
2246 /* UTMIP PLL Enable Delay Count */
2247 u8 enable_delay_count;
2248 /* UTMIP PLL Stable count */
2249 u16 stable_count;
2250 /* UTMIP PLL Active delay count */
2251 u8 active_delay_count;
2252 /* UTMIP PLL Xtal frequency count */
2253 u16 xtal_freq_count;
2254};
2255
2256static const struct utmi_clk_param utmi_parameters[] = {
2257 {
2258 .osc_frequency = 38400000, .enable_delay_count = 0x0,
2259 .stable_count = 0x0, .active_delay_count = 0x6,
2260 .xtal_freq_count = 0x80
2261 }, {
2262 .osc_frequency = 13000000, .enable_delay_count = 0x02,
2263 .stable_count = 0x33, .active_delay_count = 0x05,
2264 .xtal_freq_count = 0x7f
2265 }, {
2266 .osc_frequency = 19200000, .enable_delay_count = 0x03,
2267 .stable_count = 0x4b, .active_delay_count = 0x06,
2268 .xtal_freq_count = 0xbb
2269 }, {
2270 .osc_frequency = 12000000, .enable_delay_count = 0x02,
2271 .stable_count = 0x2f, .active_delay_count = 0x08,
2272 .xtal_freq_count = 0x76
2273 }, {
2274 .osc_frequency = 26000000, .enable_delay_count = 0x04,
2275 .stable_count = 0x66, .active_delay_count = 0x09,
2276 .xtal_freq_count = 0xfe
2277 }, {
2278 .osc_frequency = 16800000, .enable_delay_count = 0x03,
2279 .stable_count = 0x41, .active_delay_count = 0x0a,
2280 .xtal_freq_count = 0xa4
2281 },
Rhyland Klein6b301a02015-06-18 17:28:36 -04002282};
2283
Rhyland Klein6b301a02015-06-18 17:28:36 -04002284static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
2285 [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true },
2286 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true },
2287 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true },
2288 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true },
2289 [tegra_clk_sdmmc2_9] = { .dt_id = TEGRA210_CLK_SDMMC2, .present = true },
2290 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true },
2291 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true },
2292 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true },
2293 [tegra_clk_sdmmc4_9] = { .dt_id = TEGRA210_CLK_SDMMC4, .present = true },
2294 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true },
2295 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true },
2296 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true },
2297 [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true },
2298 [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true },
2299 [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true },
2300 [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true },
2301 [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true },
2302 [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true },
2303 [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true },
2304 [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true },
2305 [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true },
2306 [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true },
2307 [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true },
2308 [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true },
2309 [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true },
2310 [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true },
2311 [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true },
2312 [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true },
2313 [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true },
2314 [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true },
2315 [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true },
2316 [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true },
2317 [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true },
2318 [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true },
2319 [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true },
2320 [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true },
2321 [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true },
2322 [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true },
2323 [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true },
2324 [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true },
2325 [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true },
2326 [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true },
2327 [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true },
2328 [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true },
2329 [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true },
2330 [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true },
2331 [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true },
2332 [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true },
2333 [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true },
2334 [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true },
2335 [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true },
2336 [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true },
2337 [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true },
2338 [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true },
2339 [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true },
2340 [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true },
2341 [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true },
2342 [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true },
2343 [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true },
2344 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true },
2345 [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true },
2346 [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true },
2347 [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true },
2348 [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true },
2349 [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true },
2350 [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true },
2351 [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true },
2352 [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true },
2353 [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true },
2354 [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true },
2355 [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true },
2356 [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true },
Thierry Reding98c4b362015-04-20 15:05:33 +02002357 [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true },
Rhyland Klein6b301a02015-06-18 17:28:36 -04002358 [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true },
2359 [tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true },
Thierry Redinge452b812016-06-09 17:47:17 +02002360 [tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true },
2361 [tegra_clk_sor1_src] = { .dt_id = TEGRA210_CLK_SOR1_SRC, .present = true },
Rhyland Klein6b301a02015-06-18 17:28:36 -04002362 [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true },
2363 [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, },
2364 [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true },
Rhyland Klein6b301a02015-06-18 17:28:36 -04002365 [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true },
2366 [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true },
2367 [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true },
2368 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true },
2369 [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true },
2370 [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true },
2371 [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true },
2372 [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true },
2373 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true },
2374 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true },
2375 [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true },
2376 [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true },
2377 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true },
2378 [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true },
2379 [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true },
2380 [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true },
Rhyland Klein6b301a02015-06-18 17:28:36 -04002381 [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true },
2382 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true },
2383 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true },
2384 [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true },
2385 [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true },
2386 [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true },
2387 [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true },
2388 [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true },
2389 [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true },
2390 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true },
2391 [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true },
2392 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true },
2393 [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true },
2394 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true },
2395 [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true },
2396 [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true },
2397 [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true },
2398 [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true },
2399 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true },
2400 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true },
2401 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true },
2402 [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true },
2403 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true },
2404 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true },
2405 [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true },
2406 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true },
2407 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true },
2408 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true },
2409 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true },
2410 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true },
2411 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true },
2412 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true },
2413 [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true },
2414 [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true },
2415 [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true },
2416 [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true },
2417 [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true },
2418 [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true },
2419 [tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true },
2420 [tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true },
2421 [tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true },
2422 [tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true },
2423 [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true },
2424 [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true },
2425 [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true },
2426 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true },
2427 [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true },
2428 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true },
2429 [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true },
2430 [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true },
2431 [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true },
2432 [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true },
2433 [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true },
2434 [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true },
2435 [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true },
2436 [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true },
2437 [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true },
2438 [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true },
2439 [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true },
2440 [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true },
2441 [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true },
2442 [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true },
2443 [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true },
2444 [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true },
2445 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true },
2446 [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true },
2447 [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true },
2448 [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true },
2449 [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true },
2450 [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true },
2451 [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true },
2452 [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true },
2453 [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true },
2454 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true },
2455 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true },
2456 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true },
2457 [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true },
2458 [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true },
2459 [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true },
2460 [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true },
2461 [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true },
2462 [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true },
2463 [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true },
2464 [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true },
2465 [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true },
2466 [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true },
2467 [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true },
2468 [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true },
2469 [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true },
2470 [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true },
2471 [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true },
2472 [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true },
Jon Hunter29569942016-01-28 16:33:50 +00002473 [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true },
Peter De Schrijver93269472017-02-23 12:44:38 +02002474 [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true },
Peter De Schrijver34ac2c22017-02-23 12:44:39 +02002475 [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true },
Peter De Schrijverbfa34832017-02-28 16:37:17 +02002476 [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true },
Peter De Schrijver6cfc8bc2017-02-28 16:37:20 +02002477 [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true },
2478 [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true },
2479 [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true },
Peter De Schrijver319af792017-02-28 16:37:18 +02002480 [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true },
2481 [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true },
2482 [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true },
2483 [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true },
2484 [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true },
2485 [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true },
Peter De Schrijver88da44c2017-03-22 16:23:16 +02002486 [tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true },
2487 [tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true },
2488 [tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true },
2489 [tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true },
2490 [tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true },
2491 [tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true },
2492 [tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true },
Rhyland Klein6b301a02015-06-18 17:28:36 -04002493};
2494
2495static struct tegra_devclk devclks[] __initdata = {
2496 { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M },
2497 { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF },
2498 { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K },
2499 { .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 },
2500 { .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 },
2501 { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C },
2502 { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 },
2503 { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 },
2504 { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 },
2505 { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P },
2506 { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 },
2507 { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 },
2508 { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 },
2509 { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 },
2510 { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M },
Rhyland Klein6b301a02015-06-18 17:28:36 -04002511 { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X },
2512 { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 },
2513 { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U },
2514 { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT },
2515 { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 },
2516 { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 },
2517 { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M },
2518 { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M },
2519 { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M },
2520 { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D },
2521 { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 },
2522 { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 },
2523 { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 },
2524 { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A },
2525 { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 },
2526 { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO },
2527 { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT },
2528 { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC },
2529 { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC },
2530 { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC },
2531 { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC },
2532 { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC },
2533 { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC },
2534 { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC },
2535 { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 },
2536 { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 },
2537 { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 },
2538 { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 },
2539 { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 },
2540 { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF },
2541 { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X },
2542 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 },
2543 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 },
2544 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 },
2545 { .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK },
2546 { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G },
2547 { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP },
2548 { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK },
2549 { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK },
2550 { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK },
2551 { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE },
2552 { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC },
2553 { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER },
2554 { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 },
2555 { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 },
2556 { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 },
2557 { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 },
2558 { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX },
2559 { .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 },
2560};
2561
2562static struct tegra_audio_clk_info tegra210_audio_plls[] = {
2563 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" },
2564 { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" },
2565};
2566
Peter De Schrijver24c3ebe2017-02-28 16:37:22 +02002567static const char * const aclk_parents[] = {
2568 "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3",
2569 "clk_m"
2570};
2571
Peter De Schrijvere403d002018-01-25 16:00:12 +02002572static const unsigned int nvjpg_slcg_clkids[] = { TEGRA210_CLK_NVDEC };
2573static const unsigned int nvdec_slcg_clkids[] = { TEGRA210_CLK_NVJPG };
2574static const unsigned int sor_slcg_clkids[] = { TEGRA210_CLK_HDA2CODEC_2X,
2575 TEGRA210_CLK_HDA2HDMI, TEGRA210_CLK_DISP1, TEGRA210_CLK_DISP2 };
2576static const unsigned int disp_slcg_clkids[] = { TEGRA210_CLK_LA,
2577 TEGRA210_CLK_HOST1X};
2578static const unsigned int xusba_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST,
2579 TEGRA210_CLK_XUSB_DEV };
2580static const unsigned int xusbb_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST,
2581 TEGRA210_CLK_XUSB_SS };
2582static const unsigned int xusbc_slcg_clkids[] = { TEGRA210_CLK_XUSB_DEV,
2583 TEGRA210_CLK_XUSB_SS };
2584static const unsigned int venc_slcg_clkids[] = { TEGRA210_CLK_HOST1X,
2585 TEGRA210_CLK_PLL_D };
2586static const unsigned int ape_slcg_clkids[] = { TEGRA210_CLK_ACLK,
2587 TEGRA210_CLK_I2S0, TEGRA210_CLK_I2S1, TEGRA210_CLK_I2S2,
2588 TEGRA210_CLK_I2S3, TEGRA210_CLK_I2S4, TEGRA210_CLK_SPDIF_OUT,
2589 TEGRA210_CLK_D_AUDIO };
2590static const unsigned int vic_slcg_clkids[] = { TEGRA210_CLK_HOST1X };
2591
2592static struct tegra210_domain_mbist_war tegra210_pg_mbist_war[] = {
2593 [TEGRA_POWERGATE_VENC] = {
2594 .handle_lvl2_ovr = tegra210_venc_mbist_war,
2595 .num_clks = ARRAY_SIZE(venc_slcg_clkids),
2596 .clk_init_data = venc_slcg_clkids,
2597 },
2598 [TEGRA_POWERGATE_SATA] = {
2599 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2600 .lvl2_offset = LVL2_CLK_GATE_OVRC,
2601 .lvl2_mask = BIT(0) | BIT(17) | BIT(19),
2602 },
2603 [TEGRA_POWERGATE_MPE] = {
2604 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2605 .lvl2_offset = LVL2_CLK_GATE_OVRE,
2606 .lvl2_mask = BIT(2),
2607 },
2608 [TEGRA_POWERGATE_SOR] = {
2609 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2610 .num_clks = ARRAY_SIZE(sor_slcg_clkids),
2611 .clk_init_data = sor_slcg_clkids,
2612 .lvl2_offset = LVL2_CLK_GATE_OVRA,
2613 .lvl2_mask = BIT(1) | BIT(2),
2614 },
2615 [TEGRA_POWERGATE_DIS] = {
2616 .handle_lvl2_ovr = tegra210_disp_mbist_war,
2617 .num_clks = ARRAY_SIZE(disp_slcg_clkids),
2618 .clk_init_data = disp_slcg_clkids,
2619 },
2620 [TEGRA_POWERGATE_DISB] = {
2621 .num_clks = ARRAY_SIZE(disp_slcg_clkids),
2622 .clk_init_data = disp_slcg_clkids,
2623 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2624 .lvl2_offset = LVL2_CLK_GATE_OVRA,
2625 .lvl2_mask = BIT(2),
2626 },
2627 [TEGRA_POWERGATE_XUSBA] = {
2628 .num_clks = ARRAY_SIZE(xusba_slcg_clkids),
2629 .clk_init_data = xusba_slcg_clkids,
2630 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2631 .lvl2_offset = LVL2_CLK_GATE_OVRC,
2632 .lvl2_mask = BIT(30) | BIT(31),
2633 },
2634 [TEGRA_POWERGATE_XUSBB] = {
2635 .num_clks = ARRAY_SIZE(xusbb_slcg_clkids),
2636 .clk_init_data = xusbb_slcg_clkids,
2637 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2638 .lvl2_offset = LVL2_CLK_GATE_OVRC,
2639 .lvl2_mask = BIT(30) | BIT(31),
2640 },
2641 [TEGRA_POWERGATE_XUSBC] = {
2642 .num_clks = ARRAY_SIZE(xusbc_slcg_clkids),
2643 .clk_init_data = xusbc_slcg_clkids,
2644 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2645 .lvl2_offset = LVL2_CLK_GATE_OVRC,
2646 .lvl2_mask = BIT(30) | BIT(31),
2647 },
2648 [TEGRA_POWERGATE_VIC] = {
2649 .num_clks = ARRAY_SIZE(vic_slcg_clkids),
2650 .clk_init_data = vic_slcg_clkids,
2651 .handle_lvl2_ovr = tegra210_vic_mbist_war,
2652 },
2653 [TEGRA_POWERGATE_NVDEC] = {
2654 .num_clks = ARRAY_SIZE(nvdec_slcg_clkids),
2655 .clk_init_data = nvdec_slcg_clkids,
2656 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2657 .lvl2_offset = LVL2_CLK_GATE_OVRC,
2658 .lvl2_mask = BIT(9) | BIT(31),
2659 },
2660 [TEGRA_POWERGATE_NVJPG] = {
2661 .num_clks = ARRAY_SIZE(nvjpg_slcg_clkids),
2662 .clk_init_data = nvjpg_slcg_clkids,
2663 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2664 .lvl2_offset = LVL2_CLK_GATE_OVRC,
2665 .lvl2_mask = BIT(9) | BIT(31),
2666 },
2667 [TEGRA_POWERGATE_AUD] = {
2668 .num_clks = ARRAY_SIZE(ape_slcg_clkids),
2669 .clk_init_data = ape_slcg_clkids,
2670 .handle_lvl2_ovr = tegra210_ape_mbist_war,
2671 },
2672 [TEGRA_POWERGATE_VE2] = {
2673 .handle_lvl2_ovr = tegra210_generic_mbist_war,
2674 .lvl2_offset = LVL2_CLK_GATE_OVRD,
2675 .lvl2_mask = BIT(22),
2676 },
2677};
2678
2679int tegra210_clk_handle_mbist_war(unsigned int id)
2680{
2681 int err;
2682 struct tegra210_domain_mbist_war *mbist_war;
2683
2684 if (id >= ARRAY_SIZE(tegra210_pg_mbist_war)) {
2685 WARN(1, "unknown domain id in MBIST WAR handler\n");
2686 return -EINVAL;
2687 }
2688
2689 mbist_war = &tegra210_pg_mbist_war[id];
2690 if (!mbist_war->handle_lvl2_ovr)
2691 return 0;
2692
2693 if (mbist_war->num_clks && !mbist_war->clks)
2694 return -ENODEV;
2695
2696 err = clk_bulk_prepare_enable(mbist_war->num_clks, mbist_war->clks);
2697 if (err < 0)
2698 return err;
2699
2700 mutex_lock(&lvl2_ovr_lock);
2701
2702 mbist_war->handle_lvl2_ovr(mbist_war);
2703
2704 mutex_unlock(&lvl2_ovr_lock);
2705
2706 clk_bulk_disable_unprepare(mbist_war->num_clks, mbist_war->clks);
2707
2708 return 0;
2709}
2710
Peter De Schrijver38438322017-02-28 17:19:24 +02002711void tegra210_put_utmipll_in_iddq(void)
2712{
2713 u32 reg;
2714
2715 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2716
2717 if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) {
2718 pr_err("trying to assert IDDQ while UTMIPLL is locked\n");
2719 return;
2720 }
2721
2722 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2723 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2724}
2725EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq);
2726
2727void tegra210_put_utmipll_out_iddq(void)
2728{
2729 u32 reg;
2730
2731 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2732 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2733 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2734}
2735EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq);
2736
Peter De Schrijvere745f992017-03-14 16:12:49 +02002737static void tegra210_utmi_param_configure(void)
2738{
2739 u32 reg;
2740 int i;
2741
2742 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
2743 if (osc_freq == utmi_parameters[i].osc_frequency)
2744 break;
2745 }
2746
2747 if (i >= ARRAY_SIZE(utmi_parameters)) {
2748 pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
2749 osc_freq);
2750 return;
2751 }
2752
2753 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2754 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2755 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2756
2757 udelay(10);
2758
2759 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2760
2761 /* Program UTMIP PLL stable and active counts */
2762 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
2763 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
2764 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
2765
2766 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
Peter De Schrijvere745f992017-03-14 16:12:49 +02002767 reg |=
2768 UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count);
2769 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2770
2771 /* Program UTMIP PLL delay and oscillator frequency counts */
2772 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
Peter De Schrijvere745f992017-03-14 16:12:49 +02002773
Alex Frid71422db2017-07-25 13:34:14 +03002774 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
Peter De Schrijvere745f992017-03-14 16:12:49 +02002775 reg |=
2776 UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count);
2777
2778 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
2779 reg |=
2780 UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count);
2781
2782 reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
2783 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2784
2785 /* Remove power downs from UTMIP PLL control bits */
2786 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2787 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2788 reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2789 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
Alex Frid71422db2017-07-25 13:34:14 +03002790
2791 udelay(20);
Peter De Schrijvere745f992017-03-14 16:12:49 +02002792
2793 /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
2794 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2795 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP;
2796 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP;
2797 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP;
2798 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
2799 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
2800 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN;
2801 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2802
2803 /* Setup HW control of UTMIPLL */
2804 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2805 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2806 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2807 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2808
2809 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2810 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
2811 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
2812 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2813
2814 udelay(1);
2815
2816 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2817 reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY;
2818 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2819
2820 udelay(1);
2821
2822 /* Enable HW control UTMIPLL */
2823 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2824 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
2825 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2826}
2827
2828static int tegra210_enable_pllu(void)
2829{
2830 struct tegra_clk_pll_freq_table *fentry;
2831 struct tegra_clk_pll pllu;
2832 u32 reg;
2833
2834 for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) {
2835 if (fentry->input_rate == pll_ref_freq)
2836 break;
2837 }
2838
2839 if (!fentry->input_rate) {
2840 pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq);
2841 return -EINVAL;
2842 }
2843
2844 /* clear IDDQ bit */
2845 pllu.params = &pll_u_vco_params;
2846 reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]);
2847 reg &= ~BIT(pllu.params->iddq_bit_idx);
2848 writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]);
Alex Frid7157c692017-07-25 13:34:15 +03002849 udelay(5);
Peter De Schrijvere745f992017-03-14 16:12:49 +02002850
2851 reg = readl_relaxed(clk_base + PLLU_BASE);
2852 reg &= ~GENMASK(20, 0);
2853 reg |= fentry->m;
2854 reg |= fentry->n << 8;
2855 reg |= fentry->p << 16;
2856 writel(reg, clk_base + PLLU_BASE);
Alex Frid7157c692017-07-25 13:34:15 +03002857 udelay(1);
Peter De Schrijvere745f992017-03-14 16:12:49 +02002858 reg |= PLL_ENABLE;
2859 writel(reg, clk_base + PLLU_BASE);
2860
Nicolin Chen22ef01a2017-09-15 12:10:13 -07002861 readl_relaxed_poll_timeout_atomic(clk_base + PLLU_BASE, reg,
2862 reg & PLL_BASE_LOCK, 2, 1000);
Peter De Schrijvere745f992017-03-14 16:12:49 +02002863 if (!(reg & PLL_BASE_LOCK)) {
2864 pr_err("Timed out waiting for PLL_U to lock\n");
2865 return -ETIMEDOUT;
2866 }
2867
2868 return 0;
2869}
2870
2871static int tegra210_init_pllu(void)
2872{
2873 u32 reg;
2874 int err;
2875
2876 tegra210_pllu_set_defaults(&pll_u_vco_params);
2877 /* skip initialization when pllu is in hw controlled mode */
2878 reg = readl_relaxed(clk_base + PLLU_BASE);
2879 if (reg & PLLU_BASE_OVERRIDE) {
2880 if (!(reg & PLL_ENABLE)) {
2881 err = tegra210_enable_pllu();
2882 if (err < 0) {
2883 WARN_ON(1);
2884 return err;
2885 }
2886 }
2887 /* enable hw controlled mode */
2888 reg = readl_relaxed(clk_base + PLLU_BASE);
2889 reg &= ~PLLU_BASE_OVERRIDE;
2890 writel(reg, clk_base + PLLU_BASE);
2891
2892 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2893 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE |
2894 PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT |
2895 PLLU_HW_PWRDN_CFG0_USE_LOCKDET;
2896 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL |
2897 PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL);
2898 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2899
2900 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2901 reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK;
2902 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2903 udelay(1);
2904
2905 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2906 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE;
2907 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2908 udelay(1);
2909
2910 reg = readl_relaxed(clk_base + PLLU_BASE);
2911 reg &= ~PLLU_BASE_CLKENABLE_USB;
2912 writel_relaxed(reg, clk_base + PLLU_BASE);
2913 }
2914
2915 /* enable UTMIPLL hw control if not yet done by the bootloader */
2916 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2917 if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE))
2918 tegra210_utmi_param_configure();
2919
2920 return 0;
2921}
2922
Thierry Redingbc2e4d22017-08-30 12:21:04 +02002923static const char * const sor1_out_parents[] = {
2924 /*
2925 * Bit 0 of the mux selects sor1_pad_clkout, irrespective of bit 1, so
2926 * the sor1_pad_clkout parent appears twice in the list below. This is
2927 * merely to support clk_get_parent() if firmware happened to set
2928 * these bits to 0b11. While not an invalid setting, code should
2929 * always set the bits to 0b01 to select sor1_pad_clkout.
2930 */
2931 "sor_safe", "sor1_pad_clkout", "sor1", "sor1_pad_clkout",
2932};
2933
2934static const char * const sor1_parents[] = {
2935 "pll_p", "pll_d_out0", "pll_d2_out0", "clk_m",
2936};
2937
2938static u32 sor1_parents_idx[] = { 0, 2, 5, 6 };
2939
2940static struct tegra_periph_init_data tegra210_periph[] = {
2941 TEGRA_INIT_DATA_TABLE("sor1", NULL, NULL, sor1_parents,
2942 CLK_SOURCE_SOR1, 29, 0x7, 0, 0, 8, 1,
2943 TEGRA_DIVIDER_ROUND_UP, 183, 0, tegra_clk_sor1,
2944 sor1_parents_idx, 0, &sor1_lock),
2945};
2946
Peter De Schrijver89e423c2018-01-25 16:00:10 +02002947static const char * const la_parents[] = {
2948 "pll_p", "pll_c2", "pll_c", "pll_c3", "pll_re_out1", "pll_a1", "clk_m", "pll_c4_out0"
2949};
2950
2951static struct tegra_clk_periph tegra210_la =
2952 TEGRA_CLK_PERIPH(29, 7, 9, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, 76, 0, NULL, 0);
2953
Rhyland Klein6b301a02015-06-18 17:28:36 -04002954static __init void tegra210_periph_clk_init(void __iomem *clk_base,
2955 void __iomem *pmc_base)
2956{
2957 struct clk *clk;
Thierry Redingbc2e4d22017-08-30 12:21:04 +02002958 unsigned int i;
Rhyland Klein6b301a02015-06-18 17:28:36 -04002959
2960 /* xusb_ss_div2 */
2961 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
2962 1, 2);
2963 clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk;
2964
Thierry Reding74d3ba02016-06-23 12:52:31 +02002965 clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base,
2966 1, 17, 222);
2967 clks[TEGRA210_CLK_SOR_SAFE] = clk;
2968
Thierry Reding2e34c2a2016-06-23 12:52:30 +02002969 clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base,
Thierry Redingeede7112015-04-20 15:10:43 +02002970 1, 17, 181);
2971 clks[TEGRA210_CLK_DPAUX] = clk;
2972
Thierry Reding2e34c2a2016-06-23 12:52:30 +02002973 clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base,
Thierry Redingeede7112015-04-20 15:10:43 +02002974 1, 17, 207);
2975 clks[TEGRA210_CLK_DPAUX1] = clk;
2976
Thierry Redingbc2e4d22017-08-30 12:21:04 +02002977 clk = clk_register_mux_table(NULL, "sor1_out", sor1_out_parents,
2978 ARRAY_SIZE(sor1_out_parents), 0,
2979 clk_base + CLK_SOURCE_SOR1, 14, 0x3,
2980 0, NULL, &sor1_lock);
2981 clks[TEGRA210_CLK_SOR1_OUT] = clk;
2982
Rhyland Klein6b301a02015-06-18 17:28:36 -04002983 /* pll_d_dsi_out */
2984 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
2985 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock);
2986 clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk;
2987
2988 /* dsia */
2989 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
2990 clk_base, 0, 48,
2991 periph_clk_enb_refcnt);
2992 clks[TEGRA210_CLK_DSIA] = clk;
2993
2994 /* dsib */
2995 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
2996 clk_base, 0, 82,
2997 periph_clk_enb_refcnt);
2998 clks[TEGRA210_CLK_DSIB] = clk;
2999
Peter De Schrijver89e423c2018-01-25 16:00:10 +02003000 /* la */
3001 clk = tegra_clk_register_periph("la", la_parents,
3002 ARRAY_SIZE(la_parents), &tegra210_la, clk_base,
3003 CLK_SOURCE_LA, 0);
3004 clks[TEGRA210_CLK_LA] = clk;
3005
Rhyland Klein6b301a02015-06-18 17:28:36 -04003006 /* emc mux */
3007 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
3008 ARRAY_SIZE(mux_pllmcp_clkm), 0,
3009 clk_base + CLK_SOURCE_EMC,
3010 29, 3, 0, &emc_lock);
3011
3012 clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC,
3013 &emc_lock);
3014 clks[TEGRA210_CLK_MC] = clk;
3015
3016 /* cml0 */
3017 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
3018 0, 0, &pll_e_lock);
3019 clk_register_clkdev(clk, "cml0", NULL);
3020 clks[TEGRA210_CLK_CML0] = clk;
3021
3022 /* cml1 */
3023 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
3024 1, 0, &pll_e_lock);
3025 clk_register_clkdev(clk, "cml1", NULL);
3026 clks[TEGRA210_CLK_CML1] = clk;
3027
Peter De Schrijver24c3ebe2017-02-28 16:37:22 +02003028 clk = tegra_clk_register_super_clk("aclk", aclk_parents,
3029 ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0,
3030 0, NULL);
3031 clks[TEGRA210_CLK_ACLK] = clk;
3032
Thierry Redingbc2e4d22017-08-30 12:21:04 +02003033 for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) {
3034 struct tegra_periph_init_data *init = &tegra210_periph[i];
3035 struct clk **clkp;
3036
3037 clkp = tegra_lookup_dt_id(init->clk_id, tegra210_clks);
3038 if (!clkp) {
3039 pr_warn("clock %u not found\n", init->clk_id);
3040 continue;
3041 }
3042
3043 clk = tegra_clk_register_periph_data(clk_base, init);
3044 *clkp = clk;
3045 }
3046
Rhyland Klein6b301a02015-06-18 17:28:36 -04003047 tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params);
3048}
3049
3050static void __init tegra210_pll_init(void __iomem *clk_base,
3051 void __iomem *pmc)
3052{
Rhyland Klein6b301a02015-06-18 17:28:36 -04003053 struct clk *clk;
3054
3055 /* PLLC */
Alex Fridac99afe2017-07-25 13:34:11 +03003056 clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base,
Rhyland Klein6b301a02015-06-18 17:28:36 -04003057 pmc, 0, &pll_c_params, NULL);
3058 if (!WARN_ON(IS_ERR(clk)))
3059 clk_register_clkdev(clk, "pll_c", NULL);
3060 clks[TEGRA210_CLK_PLL_C] = clk;
3061
3062 /* PLLC_OUT1 */
3063 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
3064 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
3065 8, 8, 1, NULL);
3066 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
3067 clk_base + PLLC_OUT, 1, 0,
3068 CLK_SET_RATE_PARENT, 0, NULL);
3069 clk_register_clkdev(clk, "pll_c_out1", NULL);
3070 clks[TEGRA210_CLK_PLL_C_OUT1] = clk;
3071
3072 /* PLLC_UD */
3073 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c",
3074 CLK_SET_RATE_PARENT, 1, 1);
3075 clk_register_clkdev(clk, "pll_c_ud", NULL);
3076 clks[TEGRA210_CLK_PLL_C_UD] = clk;
3077
3078 /* PLLC2 */
3079 clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base,
3080 pmc, 0, &pll_c2_params, NULL);
3081 clk_register_clkdev(clk, "pll_c2", NULL);
3082 clks[TEGRA210_CLK_PLL_C2] = clk;
3083
3084 /* PLLC3 */
3085 clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base,
3086 pmc, 0, &pll_c3_params, NULL);
3087 clk_register_clkdev(clk, "pll_c3", NULL);
3088 clks[TEGRA210_CLK_PLL_C3] = clk;
3089
3090 /* PLLM */
3091 clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc,
3092 CLK_SET_RATE_GATE, &pll_m_params, NULL);
3093 clk_register_clkdev(clk, "pll_m", NULL);
3094 clks[TEGRA210_CLK_PLL_M] = clk;
3095
3096 /* PLLMB */
3097 clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc,
3098 CLK_SET_RATE_GATE, &pll_mb_params, NULL);
3099 clk_register_clkdev(clk, "pll_mb", NULL);
3100 clks[TEGRA210_CLK_PLL_MB] = clk;
3101
Rhyland Klein6b301a02015-06-18 17:28:36 -04003102 /* PLLM_UD */
3103 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
3104 CLK_SET_RATE_PARENT, 1, 1);
3105 clk_register_clkdev(clk, "pll_m_ud", NULL);
3106 clks[TEGRA210_CLK_PLL_M_UD] = clk;
3107
3108 /* PLLU_VCO */
Peter De Schrijvere745f992017-03-14 16:12:49 +02003109 if (!tegra210_init_pllu()) {
3110 clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0,
3111 480*1000*1000);
3112 clk_register_clkdev(clk, "pll_u_vco", NULL);
3113 clks[TEGRA210_CLK_PLL_U] = clk;
3114 }
Rhyland Klein6b301a02015-06-18 17:28:36 -04003115
3116 /* PLLU_OUT */
3117 clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0,
3118 clk_base + PLLU_BASE, 16, 4, 0,
3119 pll_vco_post_div_table, NULL);
3120 clk_register_clkdev(clk, "pll_u_out", NULL);
3121 clks[TEGRA210_CLK_PLL_U_OUT] = clk;
3122
3123 /* PLLU_OUT1 */
3124 clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out",
3125 clk_base + PLLU_OUTA, 0,
3126 TEGRA_DIVIDER_ROUND_UP,
3127 8, 8, 1, &pll_u_lock);
3128 clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div",
3129 clk_base + PLLU_OUTA, 1, 0,
3130 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
3131 clk_register_clkdev(clk, "pll_u_out1", NULL);
3132 clks[TEGRA210_CLK_PLL_U_OUT1] = clk;
3133
3134 /* PLLU_OUT2 */
3135 clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out",
3136 clk_base + PLLU_OUTA, 0,
3137 TEGRA_DIVIDER_ROUND_UP,
3138 24, 8, 1, &pll_u_lock);
3139 clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div",
3140 clk_base + PLLU_OUTA, 17, 16,
3141 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
3142 clk_register_clkdev(clk, "pll_u_out2", NULL);
3143 clks[TEGRA210_CLK_PLL_U_OUT2] = clk;
3144
Rhyland Klein6b301a02015-06-18 17:28:36 -04003145 /* PLLU_480M */
3146 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco",
3147 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3148 22, 0, &pll_u_lock);
3149 clk_register_clkdev(clk, "pll_u_480M", NULL);
3150 clks[TEGRA210_CLK_PLL_U_480M] = clk;
3151
3152 /* PLLU_60M */
3153 clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2",
3154 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
Alex Frid7157c692017-07-25 13:34:15 +03003155 23, 0, &pll_u_lock);
Rhyland Klein6b301a02015-06-18 17:28:36 -04003156 clk_register_clkdev(clk, "pll_u_60M", NULL);
3157 clks[TEGRA210_CLK_PLL_U_60M] = clk;
3158
3159 /* PLLU_48M */
3160 clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1",
3161 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
Alex Frid7157c692017-07-25 13:34:15 +03003162 25, 0, &pll_u_lock);
Rhyland Klein6b301a02015-06-18 17:28:36 -04003163 clk_register_clkdev(clk, "pll_u_48M", NULL);
3164 clks[TEGRA210_CLK_PLL_U_48M] = clk;
3165
3166 /* PLLD */
3167 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
3168 &pll_d_params, &pll_d_lock);
3169 clk_register_clkdev(clk, "pll_d", NULL);
3170 clks[TEGRA210_CLK_PLL_D] = clk;
3171
3172 /* PLLD_OUT0 */
3173 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
3174 CLK_SET_RATE_PARENT, 1, 2);
3175 clk_register_clkdev(clk, "pll_d_out0", NULL);
3176 clks[TEGRA210_CLK_PLL_D_OUT0] = clk;
3177
3178 /* PLLRE */
Rhyland Klein926655f2016-03-21 15:58:52 -04003179 clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref",
3180 clk_base, pmc, 0,
3181 &pll_re_vco_params,
3182 &pll_re_lock, pll_ref_freq);
Rhyland Klein6b301a02015-06-18 17:28:36 -04003183 clk_register_clkdev(clk, "pll_re_vco", NULL);
3184 clks[TEGRA210_CLK_PLL_RE_VCO] = clk;
3185
3186 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
3187 clk_base + PLLRE_BASE, 16, 5, 0,
3188 pll_vco_post_div_table, &pll_re_lock);
3189 clk_register_clkdev(clk, "pll_re_out", NULL);
3190 clks[TEGRA210_CLK_PLL_RE_OUT] = clk;
3191
Rhyland Klein926655f2016-03-21 15:58:52 -04003192 clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco",
3193 clk_base + PLLRE_OUT1, 0,
3194 TEGRA_DIVIDER_ROUND_UP,
3195 8, 8, 1, NULL);
3196 clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div",
3197 clk_base + PLLRE_OUT1, 1, 0,
3198 CLK_SET_RATE_PARENT, 0, NULL);
3199 clks[TEGRA210_CLK_PLL_RE_OUT1] = clk;
3200
Rhyland Klein6b301a02015-06-18 17:28:36 -04003201 /* PLLE */
3202 clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref",
3203 clk_base, 0, &pll_e_params, NULL);
3204 clk_register_clkdev(clk, "pll_e", NULL);
3205 clks[TEGRA210_CLK_PLL_E] = clk;
3206
3207 /* PLLC4 */
3208 clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc,
3209 0, &pll_c4_vco_params, NULL, pll_ref_freq);
3210 clk_register_clkdev(clk, "pll_c4_vco", NULL);
3211 clks[TEGRA210_CLK_PLL_C4] = clk;
3212
3213 /* PLLC4_OUT0 */
3214 clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0,
3215 clk_base + PLLC4_BASE, 19, 4, 0,
3216 pll_vco_post_div_table, NULL);
3217 clk_register_clkdev(clk, "pll_c4_out0", NULL);
3218 clks[TEGRA210_CLK_PLL_C4_OUT0] = clk;
3219
3220 /* PLLC4_OUT1 */
3221 clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco",
3222 CLK_SET_RATE_PARENT, 1, 3);
3223 clk_register_clkdev(clk, "pll_c4_out1", NULL);
3224 clks[TEGRA210_CLK_PLL_C4_OUT1] = clk;
3225
3226 /* PLLC4_OUT2 */
3227 clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco",
3228 CLK_SET_RATE_PARENT, 1, 5);
3229 clk_register_clkdev(clk, "pll_c4_out2", NULL);
3230 clks[TEGRA210_CLK_PLL_C4_OUT2] = clk;
3231
3232 /* PLLC4_OUT3 */
3233 clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0",
3234 clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
3235 8, 8, 1, NULL);
3236 clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div",
3237 clk_base + PLLC4_OUT, 1, 0,
3238 CLK_SET_RATE_PARENT, 0, NULL);
3239 clk_register_clkdev(clk, "pll_c4_out3", NULL);
3240 clks[TEGRA210_CLK_PLL_C4_OUT3] = clk;
3241
3242 /* PLLDP */
3243 clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base,
3244 0, &pll_dp_params, NULL);
3245 clk_register_clkdev(clk, "pll_dp", NULL);
3246 clks[TEGRA210_CLK_PLL_DP] = clk;
3247
3248 /* PLLD2 */
3249 clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base,
3250 0, &pll_d2_params, NULL);
3251 clk_register_clkdev(clk, "pll_d2", NULL);
3252 clks[TEGRA210_CLK_PLL_D2] = clk;
3253
3254 /* PLLD2_OUT0 */
3255 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
3256 CLK_SET_RATE_PARENT, 1, 1);
3257 clk_register_clkdev(clk, "pll_d2_out0", NULL);
3258 clks[TEGRA210_CLK_PLL_D2_OUT0] = clk;
3259
3260 /* PLLP_OUT2 */
3261 clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p",
3262 CLK_SET_RATE_PARENT, 1, 2);
3263 clk_register_clkdev(clk, "pll_p_out2", NULL);
3264 clks[TEGRA210_CLK_PLL_P_OUT2] = clk;
3265
3266}
3267
3268/* Tegra210 CPU clock and reset control functions */
3269static void tegra210_wait_cpu_in_reset(u32 cpu)
3270{
3271 unsigned int reg;
3272
3273 do {
3274 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
3275 cpu_relax();
3276 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
3277}
3278
3279static void tegra210_disable_cpu_clock(u32 cpu)
3280{
3281 /* flow controller would take care in the power sequence. */
3282}
3283
3284#ifdef CONFIG_PM_SLEEP
3285static void tegra210_cpu_clock_suspend(void)
3286{
3287 /* switch coresite to clk_m, save off original source */
3288 tegra210_cpu_clk_sctx.clk_csite_src =
3289 readl(clk_base + CLK_SOURCE_CSITE);
3290 writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
3291}
3292
3293static void tegra210_cpu_clock_resume(void)
3294{
3295 writel(tegra210_cpu_clk_sctx.clk_csite_src,
3296 clk_base + CLK_SOURCE_CSITE);
3297}
3298#endif
3299
3300static struct tegra_cpu_car_ops tegra210_cpu_car_ops = {
3301 .wait_for_reset = tegra210_wait_cpu_in_reset,
3302 .disable_clock = tegra210_disable_cpu_clock,
3303#ifdef CONFIG_PM_SLEEP
3304 .suspend = tegra210_cpu_clock_suspend,
3305 .resume = tegra210_cpu_clock_resume,
3306#endif
3307};
3308
3309static const struct of_device_id pmc_match[] __initconst = {
3310 { .compatible = "nvidia,tegra210-pmc" },
3311 { },
3312};
3313
3314static struct tegra_clk_init_table init_table[] __initdata = {
3315 { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 },
3316 { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 },
3317 { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 },
3318 { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 },
3319 { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 },
3320 { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 },
3321 { TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 },
3322 { TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 },
3323 { TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 },
3324 { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3325 { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3326 { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3327 { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3328 { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3329 { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 },
3330 { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 },
Dmitry Osipenko2dcabf02018-01-10 16:59:42 +03003331 { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 0 },
Rhyland Klein6b301a02015-06-18 17:28:36 -04003332 { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 },
3333 { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 },
3334 { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 },
3335 { TEGRA210_CLK_PLL_RE_VCO, TEGRA210_CLK_CLK_MAX, 672000000, 1 },
Rhyland Klein6b301a02015-06-18 17:28:36 -04003336 { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 },
3337 { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 },
3338 { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 },
3339 { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
3340 { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
3341 { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 },
3342 { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
3343 { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
3344 { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 },
3345 { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 },
Rhyland Klein6b301a02015-06-18 17:28:36 -04003346 { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 },
3347 { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 },
Peter De Schrijverbea1baa2017-02-28 17:19:50 +02003348 /* TODO find a way to enable this on-demand */
3349 { TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 },
Rhyland Klein6b301a02015-06-18 17:28:36 -04003350 { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 },
3351 { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 },
3352 { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 },
3353 { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 },
3354 { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 },
3355 { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 },
3356 { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 },
3357 { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 },
3358 { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 },
3359 { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 },
Peter De Schrijvere745f992017-03-14 16:12:49 +02003360 { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 },
3361 { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 },
Rhyland Klein6b301a02015-06-18 17:28:36 -04003362 /* This MUST be the last entry. */
3363 { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 },
3364};
3365
3366/**
3367 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs
3368 *
3369 * Program an initial clock rate and enable or disable clocks needed
3370 * by the rest of the kernel, for Tegra210 SoCs. It is intended to be
3371 * called by assigning a pointer to it to tegra_clk_apply_init_table -
3372 * this will be called as an arch_initcall. No return value.
3373 */
3374static void __init tegra210_clock_apply_init_table(void)
3375{
3376 tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX);
3377}
3378
3379/**
Peter De Schrijver68d724c2017-03-15 14:59:32 +02003380 * tegra210_car_barrier - wait for pending writes to the CAR to complete
3381 *
3382 * Wait for any outstanding writes to the CAR MMIO space from this CPU
3383 * to complete before continuing execution. No return value.
3384 */
3385static void tegra210_car_barrier(void)
3386{
3387 readl_relaxed(clk_base + RST_DFLL_DVCO);
3388}
3389
3390/**
3391 * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
3392 *
3393 * Assert the reset line of the DFLL's DVCO. No return value.
3394 */
3395static void tegra210_clock_assert_dfll_dvco_reset(void)
3396{
3397 u32 v;
3398
3399 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3400 v |= (1 << DVFS_DFLL_RESET_SHIFT);
3401 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3402 tegra210_car_barrier();
3403}
3404
3405/**
3406 * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
3407 *
3408 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
3409 * operate. No return value.
3410 */
3411static void tegra210_clock_deassert_dfll_dvco_reset(void)
3412{
3413 u32 v;
3414
3415 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3416 v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
3417 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3418 tegra210_car_barrier();
3419}
3420
3421static int tegra210_reset_assert(unsigned long id)
3422{
3423 if (id == TEGRA210_RST_DFLL_DVCO)
3424 tegra210_clock_assert_dfll_dvco_reset();
3425 else if (id == TEGRA210_RST_ADSP)
3426 writel(GENMASK(26, 21) | BIT(7),
3427 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET);
3428 else
3429 return -EINVAL;
3430
3431 return 0;
3432}
3433
3434static int tegra210_reset_deassert(unsigned long id)
3435{
3436 if (id == TEGRA210_RST_DFLL_DVCO)
3437 tegra210_clock_deassert_dfll_dvco_reset();
3438 else if (id == TEGRA210_RST_ADSP) {
3439 writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3440 /*
3441 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz)
3442 * a delay of 5us ensures that it's at least
3443 * 6 * adsp_cpu_cycle_period long.
3444 */
3445 udelay(5);
3446 writel(GENMASK(26, 22) | BIT(7),
3447 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3448 } else
3449 return -EINVAL;
3450
3451 return 0;
3452}
3453
Peter De Schrijvere403d002018-01-25 16:00:12 +02003454static void tegra210_mbist_clk_init(void)
3455{
3456 unsigned int i, j;
3457
3458 for (i = 0; i < ARRAY_SIZE(tegra210_pg_mbist_war); i++) {
3459 unsigned int num_clks = tegra210_pg_mbist_war[i].num_clks;
3460 struct clk_bulk_data *clk_data;
3461
3462 if (!num_clks)
3463 continue;
3464
3465 clk_data = kmalloc_array(num_clks, sizeof(*clk_data),
3466 GFP_KERNEL);
3467 if (WARN_ON(!clk_data))
3468 return;
3469
3470 tegra210_pg_mbist_war[i].clks = clk_data;
3471 for (j = 0; j < num_clks; j++) {
3472 int clk_id = tegra210_pg_mbist_war[i].clk_init_data[j];
3473 struct clk *clk = clks[clk_id];
3474
3475 if (WARN(IS_ERR(clk), "clk_id: %d\n", clk_id)) {
3476 kfree(clk_data);
3477 tegra210_pg_mbist_war[i].clks = NULL;
3478 break;
3479 }
3480 clk_data[j].clk = clk;
3481 }
3482 }
3483}
3484
Peter De Schrijver68d724c2017-03-15 14:59:32 +02003485/**
Rhyland Klein6b301a02015-06-18 17:28:36 -04003486 * tegra210_clock_init - Tegra210-specific clock initialization
3487 * @np: struct device_node * of the DT node for the SoC CAR IP block
3488 *
3489 * Register most SoC clocks for the Tegra210 system-on-chip. Intended
3490 * to be called by the OF init code when a DT node with the
3491 * "nvidia,tegra210-car" string is encountered, and declared with
3492 * CLK_OF_DECLARE. No return value.
3493 */
3494static void __init tegra210_clock_init(struct device_node *np)
3495{
3496 struct device_node *node;
3497 u32 value, clk_m_div;
3498
3499 clk_base = of_iomap(np, 0);
3500 if (!clk_base) {
3501 pr_err("ioremap tegra210 CAR failed\n");
3502 return;
3503 }
3504
3505 node = of_find_matching_node(NULL, pmc_match);
3506 if (!node) {
3507 pr_err("Failed to find pmc node\n");
3508 WARN_ON(1);
3509 return;
3510 }
3511
3512 pmc_base = of_iomap(node, 0);
3513 if (!pmc_base) {
3514 pr_err("Can't map pmc registers\n");
3515 WARN_ON(1);
3516 return;
3517 }
3518
Peter De Schrijvere403d002018-01-25 16:00:12 +02003519 ahub_base = ioremap(TEGRA210_AHUB_BASE, SZ_64K);
3520 if (!ahub_base) {
3521 pr_err("ioremap tegra210 APE failed\n");
3522 return;
3523 }
3524
3525 dispa_base = ioremap(TEGRA210_DISPA_BASE, SZ_256K);
3526 if (!dispa_base) {
3527 pr_err("ioremap tegra210 DISPA failed\n");
3528 return;
3529 }
3530
3531 vic_base = ioremap(TEGRA210_VIC_BASE, SZ_256K);
3532 if (!vic_base) {
3533 pr_err("ioremap tegra210 VIC failed\n");
3534 return;
3535 }
3536
Rhyland Klein6b301a02015-06-18 17:28:36 -04003537 clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX,
3538 TEGRA210_CAR_BANK_COUNT);
3539 if (!clks)
3540 return;
3541
3542 value = clk_readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT;
3543 clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1;
3544
3545 if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq,
3546 ARRAY_SIZE(tegra210_input_freq), clk_m_div,
3547 &osc_freq, &pll_ref_freq) < 0)
3548 return;
3549
3550 tegra_fixed_clk_init(tegra210_clks);
3551 tegra210_pll_init(clk_base, pmc_base);
3552 tegra210_periph_clk_init(clk_base, pmc_base);
3553 tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks,
3554 tegra210_audio_plls,
3555 ARRAY_SIZE(tegra210_audio_plls));
3556 tegra_pmc_clk_init(pmc_base, tegra210_clks);
3557
3558 /* For Tegra210, PLLD is the only source for DSIA & DSIB */
3559 value = clk_readl(clk_base + PLLD_BASE);
3560 value &= ~BIT(25);
3561 clk_writel(value, clk_base + PLLD_BASE);
3562
3563 tegra_clk_apply_init_table = tegra210_clock_apply_init_table;
3564
3565 tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks,
3566 &pll_x_params);
Peter De Schrijver68d724c2017-03-15 14:59:32 +02003567 tegra_init_special_resets(2, tegra210_reset_assert,
3568 tegra210_reset_deassert);
3569
Rhyland Klein6b301a02015-06-18 17:28:36 -04003570 tegra_add_of_provider(np);
3571 tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
3572
Peter De Schrijvere403d002018-01-25 16:00:12 +02003573 tegra210_mbist_clk_init();
3574
Rhyland Klein6b301a02015-06-18 17:28:36 -04003575 tegra_cpu_car_ops = &tegra210_cpu_car_ops;
3576}
3577CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init);