blob: ca04c2d85e2b7ccc83e18a7e75c00bffce6bb739 [file] [log] [blame]
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>
25#include <linux/clk/tegra.h>
26#include <dt-bindings/clock/tegra210-car.h>
27
28#include "clk.h"
29#include "clk-id.h"
30
31/*
32 * TEGRA210_CAR_BANK_COUNT: the number of peripheral clock register
33 * banks present in the Tegra210 CAR IP block. The banks are
34 * identified by single letters, e.g.: L, H, U, V, W, X, Y. See
35 * periph_regs[] in drivers/clk/tegra/clk.c
36 */
37#define TEGRA210_CAR_BANK_COUNT 7
38
39#define CLK_SOURCE_CSITE 0x1d4
40#define CLK_SOURCE_EMC 0x19c
41
42#define PLLC_BASE 0x80
43#define PLLC_OUT 0x84
44#define PLLC_MISC0 0x88
45#define PLLC_MISC1 0x8c
46#define PLLC_MISC2 0x5d0
47#define PLLC_MISC3 0x5d4
48
49#define PLLC2_BASE 0x4e8
50#define PLLC2_MISC0 0x4ec
51#define PLLC2_MISC1 0x4f0
52#define PLLC2_MISC2 0x4f4
53#define PLLC2_MISC3 0x4f8
54
55#define PLLC3_BASE 0x4fc
56#define PLLC3_MISC0 0x500
57#define PLLC3_MISC1 0x504
58#define PLLC3_MISC2 0x508
59#define PLLC3_MISC3 0x50c
60
61#define PLLM_BASE 0x90
Rhyland Klein6b301a02015-06-18 17:28:36 -040062#define PLLM_MISC1 0x98
Rhyland Klein474f2ba2016-01-14 14:24:32 -050063#define PLLM_MISC2 0x9c
Rhyland Klein6b301a02015-06-18 17:28:36 -040064#define PLLP_BASE 0xa0
65#define PLLP_MISC0 0xac
66#define PLLP_MISC1 0x680
67#define PLLA_BASE 0xb0
68#define PLLA_MISC0 0xbc
69#define PLLA_MISC1 0xb8
70#define PLLA_MISC2 0x5d8
71#define PLLD_BASE 0xd0
72#define PLLD_MISC0 0xdc
73#define PLLD_MISC1 0xd8
74#define PLLU_BASE 0xc0
75#define PLLU_OUTA 0xc4
76#define PLLU_MISC0 0xcc
77#define PLLU_MISC1 0xc8
78#define PLLX_BASE 0xe0
79#define PLLX_MISC0 0xe4
80#define PLLX_MISC1 0x510
81#define PLLX_MISC2 0x514
82#define PLLX_MISC3 0x518
83#define PLLX_MISC4 0x5f0
84#define PLLX_MISC5 0x5f4
85#define PLLE_BASE 0xe8
86#define PLLE_MISC0 0xec
87#define PLLD2_BASE 0x4b8
88#define PLLD2_MISC0 0x4bc
89#define PLLD2_MISC1 0x570
90#define PLLD2_MISC2 0x574
91#define PLLD2_MISC3 0x578
92#define PLLE_AUX 0x48c
93#define PLLRE_BASE 0x4c4
94#define PLLRE_MISC0 0x4c8
95#define PLLDP_BASE 0x590
96#define PLLDP_MISC 0x594
97
98#define PLLC4_BASE 0x5a4
99#define PLLC4_MISC0 0x5a8
100#define PLLC4_OUT 0x5e4
101#define PLLMB_BASE 0x5e8
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500102#define PLLMB_MISC1 0x5ec
Rhyland Klein6b301a02015-06-18 17:28:36 -0400103#define PLLA1_BASE 0x6a4
104#define PLLA1_MISC0 0x6a8
105#define PLLA1_MISC1 0x6ac
106#define PLLA1_MISC2 0x6b0
107#define PLLA1_MISC3 0x6b4
108
109#define PLLU_IDDQ_BIT 31
110#define PLLCX_IDDQ_BIT 27
111#define PLLRE_IDDQ_BIT 24
112#define PLLA_IDDQ_BIT 25
113#define PLLD_IDDQ_BIT 20
114#define PLLSS_IDDQ_BIT 18
115#define PLLM_IDDQ_BIT 5
116#define PLLMB_IDDQ_BIT 17
117#define PLLXP_IDDQ_BIT 3
118
119#define PLLCX_RESET_BIT 30
120
121#define PLL_BASE_LOCK BIT(27)
122#define PLLCX_BASE_LOCK BIT(26)
123#define PLLE_MISC_LOCK BIT(11)
124#define PLLRE_MISC_LOCK BIT(27)
125
126#define PLL_MISC_LOCK_ENABLE 18
127#define PLLC_MISC_LOCK_ENABLE 24
128#define PLLDU_MISC_LOCK_ENABLE 22
129#define PLLU_MISC_LOCK_ENABLE 29
130#define PLLE_MISC_LOCK_ENABLE 9
131#define PLLRE_MISC_LOCK_ENABLE 30
132#define PLLSS_MISC_LOCK_ENABLE 30
133#define PLLP_MISC_LOCK_ENABLE 18
134#define PLLM_MISC_LOCK_ENABLE 4
135#define PLLMB_MISC_LOCK_ENABLE 16
136#define PLLA_MISC_LOCK_ENABLE 28
137#define PLLU_MISC_LOCK_ENABLE 29
138#define PLLD_MISC_LOCK_ENABLE 18
139
140#define PLLA_SDM_DIN_MASK 0xffff
141#define PLLA_SDM_EN_MASK BIT(26)
142
143#define PLLD_SDM_EN_MASK BIT(16)
144
145#define PLLD2_SDM_EN_MASK BIT(31)
146#define PLLD2_SSC_EN_MASK BIT(30)
147
148#define PLLDP_SS_CFG 0x598
149#define PLLDP_SDM_EN_MASK BIT(31)
150#define PLLDP_SSC_EN_MASK BIT(30)
151#define PLLDP_SS_CTRL1 0x59c
152#define PLLDP_SS_CTRL2 0x5a0
153
154#define PMC_PLLM_WB0_OVERRIDE 0x1dc
155#define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
156
157#define UTMIP_PLL_CFG2 0x488
158#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
159#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
160#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
161#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1)
162#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
163#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3)
164#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
165#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5)
166#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24)
167#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25)
168
169#define UTMIP_PLL_CFG1 0x484
170#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
171#define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
172#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
173#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
174#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
175#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
176#define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
177
178#define UTMIPLL_HW_PWRDN_CFG0 0x52c
179#define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK BIT(31)
180#define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25)
181#define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
182#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(7)
183#define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
184#define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5)
185#define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4)
186#define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
187#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1)
188#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0)
189
190#define PLLU_HW_PWRDN_CFG0 0x530
191#define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28)
192#define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
193#define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7)
194#define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
195#define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
196#define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0)
197
198#define XUSB_PLL_CFG0 0x534
199#define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff
200#define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK (0x3ff << 14)
201
202#define SPARE_REG0 0x55c
203#define CLK_M_DIVISOR_SHIFT 2
204#define CLK_M_DIVISOR_MASK 0x3
205
206/*
207 * SDM fractional divisor is 16-bit 2's complement signed number within
208 * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned
209 * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to
210 * indicate that SDM is disabled.
211 *
212 * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13
213 */
214#define PLL_SDM_COEFF BIT(13)
215#define sdin_din_to_data(din) ((u16)((din) ? : 0xFFFFU))
216#define sdin_data_to_din(dat) (((dat) == 0xFFFFU) ? 0 : (s16)dat)
217
218/* Tegra CPU clock and reset control regs */
219#define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
220
221#ifdef CONFIG_PM_SLEEP
222static struct cpu_clk_suspend_context {
223 u32 clk_csite_src;
224} tegra210_cpu_clk_sctx;
225#endif
226
227static void __iomem *clk_base;
228static void __iomem *pmc_base;
229
230static unsigned long osc_freq;
231static unsigned long pll_ref_freq;
232
233static DEFINE_SPINLOCK(pll_d_lock);
234static DEFINE_SPINLOCK(pll_e_lock);
235static DEFINE_SPINLOCK(pll_re_lock);
236static DEFINE_SPINLOCK(pll_u_lock);
237static DEFINE_SPINLOCK(emc_lock);
238
239/* possible OSC frequencies in Hz */
240static unsigned long tegra210_input_freq[] = {
241 [5] = 38400000,
242 [8] = 12000000,
243};
244
245static const char *mux_pllmcp_clkm[] = {
Jon Hunter4f8d4442015-12-18 13:45:28 +0000246 "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb",
247 "pll_p",
Rhyland Klein6b301a02015-06-18 17:28:36 -0400248};
249#define mux_pllmcp_clkm_idx NULL
250
251#define PLL_ENABLE (1 << 30)
252
253#define PLLCX_MISC1_IDDQ (1 << 27)
254#define PLLCX_MISC0_RESET (1 << 30)
255
256#define PLLCX_MISC0_DEFAULT_VALUE 0x40080000
257#define PLLCX_MISC0_WRITE_MASK 0x400ffffb
258#define PLLCX_MISC1_DEFAULT_VALUE 0x08000000
259#define PLLCX_MISC1_WRITE_MASK 0x08003cff
260#define PLLCX_MISC2_DEFAULT_VALUE 0x1f720f05
261#define PLLCX_MISC2_WRITE_MASK 0xffffff17
262#define PLLCX_MISC3_DEFAULT_VALUE 0x000000c4
263#define PLLCX_MISC3_WRITE_MASK 0x00ffffff
264
265/* PLLA */
266#define PLLA_BASE_IDDQ (1 << 25)
267#define PLLA_BASE_LOCK (1 << 27)
268
269#define PLLA_MISC0_LOCK_ENABLE (1 << 28)
270#define PLLA_MISC0_LOCK_OVERRIDE (1 << 27)
271
272#define PLLA_MISC2_EN_SDM (1 << 26)
273#define PLLA_MISC2_EN_DYNRAMP (1 << 25)
274
275#define PLLA_MISC0_DEFAULT_VALUE 0x12000020
276#define PLLA_MISC0_WRITE_MASK 0x7fffffff
277#define PLLA_MISC2_DEFAULT_VALUE 0x0
278#define PLLA_MISC2_WRITE_MASK 0x06ffffff
279
280/* PLLD */
281#define PLLD_MISC0_EN_SDM (1 << 16)
282#define PLLD_MISC0_LOCK_OVERRIDE (1 << 17)
283#define PLLD_MISC0_LOCK_ENABLE (1 << 18)
284#define PLLD_MISC0_IDDQ (1 << 20)
285#define PLLD_MISC0_DSI_CLKENABLE (1 << 21)
286
287#define PLLD_MISC0_DEFAULT_VALUE 0x00140000
288#define PLLD_MISC0_WRITE_MASK 0x3ff7ffff
289#define PLLD_MISC1_DEFAULT_VALUE 0x20
290#define PLLD_MISC1_WRITE_MASK 0x00ffffff
291
292/* PLLD2 and PLLDP and PLLC4 */
293#define PLLDSS_BASE_LOCK (1 << 27)
294#define PLLDSS_BASE_LOCK_OVERRIDE (1 << 24)
295#define PLLDSS_BASE_IDDQ (1 << 18)
296#define PLLDSS_BASE_REF_SEL_SHIFT 25
297#define PLLDSS_BASE_REF_SEL_MASK (0x3 << PLLDSS_BASE_REF_SEL_SHIFT)
298
299#define PLLDSS_MISC0_LOCK_ENABLE (1 << 30)
300
301#define PLLDSS_MISC1_CFG_EN_SDM (1 << 31)
302#define PLLDSS_MISC1_CFG_EN_SSC (1 << 30)
303
304#define PLLD2_MISC0_DEFAULT_VALUE 0x40000020
305#define PLLD2_MISC1_CFG_DEFAULT_VALUE 0x10000000
306#define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0
307#define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0
308
309#define PLLDP_MISC0_DEFAULT_VALUE 0x40000020
310#define PLLDP_MISC1_CFG_DEFAULT_VALUE 0xc0000000
311#define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da
312#define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400
313
314#define PLLDSS_MISC0_WRITE_MASK 0x47ffffff
315#define PLLDSS_MISC1_CFG_WRITE_MASK 0xf8000000
316#define PLLDSS_MISC2_CTRL1_WRITE_MASK 0xffffffff
317#define PLLDSS_MISC3_CTRL2_WRITE_MASK 0xffffffff
318
319#define PLLC4_MISC0_DEFAULT_VALUE 0x40000000
320
321/* PLLRE */
322#define PLLRE_MISC0_LOCK_ENABLE (1 << 30)
323#define PLLRE_MISC0_LOCK_OVERRIDE (1 << 29)
324#define PLLRE_MISC0_LOCK (1 << 27)
325#define PLLRE_MISC0_IDDQ (1 << 24)
326
327#define PLLRE_BASE_DEFAULT_VALUE 0x0
328#define PLLRE_MISC0_DEFAULT_VALUE 0x41000000
329
330#define PLLRE_BASE_DEFAULT_MASK 0x1c000000
331#define PLLRE_MISC0_WRITE_MASK 0x67ffffff
332
333/* PLLX */
334#define PLLX_USE_DYN_RAMP 1
335#define PLLX_BASE_LOCK (1 << 27)
336
337#define PLLX_MISC0_FO_G_DISABLE (0x1 << 28)
338#define PLLX_MISC0_LOCK_ENABLE (0x1 << 18)
339
340#define PLLX_MISC2_DYNRAMP_STEPB_SHIFT 24
341#define PLLX_MISC2_DYNRAMP_STEPB_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT)
342#define PLLX_MISC2_DYNRAMP_STEPA_SHIFT 16
343#define PLLX_MISC2_DYNRAMP_STEPA_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT)
344#define PLLX_MISC2_NDIV_NEW_SHIFT 8
345#define PLLX_MISC2_NDIV_NEW_MASK (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT)
346#define PLLX_MISC2_LOCK_OVERRIDE (0x1 << 4)
347#define PLLX_MISC2_DYNRAMP_DONE (0x1 << 2)
348#define PLLX_MISC2_EN_DYNRAMP (0x1 << 0)
349
350#define PLLX_MISC3_IDDQ (0x1 << 3)
351
352#define PLLX_MISC0_DEFAULT_VALUE PLLX_MISC0_LOCK_ENABLE
353#define PLLX_MISC0_WRITE_MASK 0x10c40000
354#define PLLX_MISC1_DEFAULT_VALUE 0x20
355#define PLLX_MISC1_WRITE_MASK 0x00ffffff
356#define PLLX_MISC2_DEFAULT_VALUE 0x0
357#define PLLX_MISC2_WRITE_MASK 0xffffff11
358#define PLLX_MISC3_DEFAULT_VALUE PLLX_MISC3_IDDQ
359#define PLLX_MISC3_WRITE_MASK 0x01ff0f0f
360#define PLLX_MISC4_DEFAULT_VALUE 0x0
361#define PLLX_MISC4_WRITE_MASK 0x8000ffff
362#define PLLX_MISC5_DEFAULT_VALUE 0x0
363#define PLLX_MISC5_WRITE_MASK 0x0000ffff
364
365#define PLLX_HW_CTRL_CFG 0x548
366#define PLLX_HW_CTRL_CFG_SWCTRL (0x1 << 0)
367
368/* PLLMB */
369#define PLLMB_BASE_LOCK (1 << 27)
370
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500371#define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18)
372#define PLLMB_MISC1_IDDQ (1 << 17)
373#define PLLMB_MISC1_LOCK_ENABLE (1 << 16)
Rhyland Klein6b301a02015-06-18 17:28:36 -0400374
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500375#define PLLMB_MISC1_DEFAULT_VALUE 0x00030000
376#define PLLMB_MISC1_WRITE_MASK 0x0007ffff
Rhyland Klein6b301a02015-06-18 17:28:36 -0400377
378/* PLLP */
379#define PLLP_BASE_OVERRIDE (1 << 28)
380#define PLLP_BASE_LOCK (1 << 27)
381
382#define PLLP_MISC0_LOCK_ENABLE (1 << 18)
383#define PLLP_MISC0_LOCK_OVERRIDE (1 << 17)
384#define PLLP_MISC0_IDDQ (1 << 3)
385
386#define PLLP_MISC1_HSIO_EN_SHIFT 29
387#define PLLP_MISC1_HSIO_EN (1 << PLLP_MISC1_HSIO_EN_SHIFT)
388#define PLLP_MISC1_XUSB_EN_SHIFT 28
389#define PLLP_MISC1_XUSB_EN (1 << PLLP_MISC1_XUSB_EN_SHIFT)
390
391#define PLLP_MISC0_DEFAULT_VALUE 0x00040008
392#define PLLP_MISC1_DEFAULT_VALUE 0x0
393
394#define PLLP_MISC0_WRITE_MASK 0xdc6000f
395#define PLLP_MISC1_WRITE_MASK 0x70ffffff
396
397/* PLLU */
398#define PLLU_BASE_LOCK (1 << 27)
399#define PLLU_BASE_OVERRIDE (1 << 24)
400#define PLLU_BASE_CLKENABLE_USB (1 << 21)
401#define PLLU_BASE_CLKENABLE_HSIC (1 << 22)
402#define PLLU_BASE_CLKENABLE_ICUSB (1 << 23)
403#define PLLU_BASE_CLKENABLE_48M (1 << 25)
404#define PLLU_BASE_CLKENABLE_ALL (PLLU_BASE_CLKENABLE_USB |\
405 PLLU_BASE_CLKENABLE_HSIC |\
406 PLLU_BASE_CLKENABLE_ICUSB |\
407 PLLU_BASE_CLKENABLE_48M)
408
409#define PLLU_MISC0_IDDQ (1 << 31)
410#define PLLU_MISC0_LOCK_ENABLE (1 << 29)
411#define PLLU_MISC1_LOCK_OVERRIDE (1 << 0)
412
413#define PLLU_MISC0_DEFAULT_VALUE 0xa0000000
414#define PLLU_MISC1_DEFAULT_VALUE 0x0
415
416#define PLLU_MISC0_WRITE_MASK 0xbfffffff
417#define PLLU_MISC1_WRITE_MASK 0x00000007
418
419static inline void _pll_misc_chk_default(void __iomem *base,
420 struct tegra_clk_pll_params *params,
421 u8 misc_num, u32 default_val, u32 mask)
422{
423 u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]);
424
425 boot_val &= mask;
426 default_val &= mask;
427 if (boot_val != default_val) {
428 pr_warn("boot misc%d 0x%x: expected 0x%x\n",
429 misc_num, boot_val, default_val);
430 pr_warn(" (comparison mask = 0x%x)\n", mask);
431 params->defaults_set = false;
432 }
433}
434
435/*
436 * PLLCX: PLLC, PLLC2, PLLC3, PLLA1
437 * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition
438 * that changes NDIV only, while PLL is already locked.
439 */
440static void pllcx_check_defaults(struct tegra_clk_pll_params *params)
441{
442 u32 default_val;
443
444 default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET);
445 _pll_misc_chk_default(clk_base, params, 0, default_val,
446 PLLCX_MISC0_WRITE_MASK);
447
448 default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ);
449 _pll_misc_chk_default(clk_base, params, 1, default_val,
450 PLLCX_MISC1_WRITE_MASK);
451
452 default_val = PLLCX_MISC2_DEFAULT_VALUE;
453 _pll_misc_chk_default(clk_base, params, 2, default_val,
454 PLLCX_MISC2_WRITE_MASK);
455
456 default_val = PLLCX_MISC3_DEFAULT_VALUE;
457 _pll_misc_chk_default(clk_base, params, 3, default_val,
458 PLLCX_MISC3_WRITE_MASK);
459}
460
461void tegra210_pllcx_set_defaults(const char *name, struct tegra_clk_pll *pllcx)
462{
463 pllcx->params->defaults_set = true;
464
465 if (readl_relaxed(clk_base + pllcx->params->base_reg) &
466 PLL_ENABLE) {
467 /* PLL is ON: only check if defaults already set */
468 pllcx_check_defaults(pllcx->params);
469 pr_warn("%s already enabled. Postponing set full defaults\n",
470 name);
471 return;
472 }
473
474 /* Defaults assert PLL reset, and set IDDQ */
475 writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE,
476 clk_base + pllcx->params->ext_misc_reg[0]);
477 writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE,
478 clk_base + pllcx->params->ext_misc_reg[1]);
479 writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE,
480 clk_base + pllcx->params->ext_misc_reg[2]);
481 writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE,
482 clk_base + pllcx->params->ext_misc_reg[3]);
483 udelay(1);
484}
485
486void _pllc_set_defaults(struct tegra_clk_pll *pllcx)
487{
488 tegra210_pllcx_set_defaults("PLL_C", pllcx);
489}
490
491void _pllc2_set_defaults(struct tegra_clk_pll *pllcx)
492{
493 tegra210_pllcx_set_defaults("PLL_C2", pllcx);
494}
495
496void _pllc3_set_defaults(struct tegra_clk_pll *pllcx)
497{
498 tegra210_pllcx_set_defaults("PLL_C3", pllcx);
499}
500
501void _plla1_set_defaults(struct tegra_clk_pll *pllcx)
502{
503 tegra210_pllcx_set_defaults("PLL_A1", pllcx);
504}
505
506/*
507 * PLLA
508 * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used.
509 * Fractional SDM is allowed to provide exact audio rates.
510 */
511void tegra210_plla_set_defaults(struct tegra_clk_pll *plla)
512{
513 u32 mask;
514 u32 val = readl_relaxed(clk_base + plla->params->base_reg);
515
516 plla->params->defaults_set = true;
517
518 if (val & PLL_ENABLE) {
519 /*
520 * PLL is ON: check if defaults already set, then set those
521 * that can be updated in flight.
522 */
523 if (val & PLLA_BASE_IDDQ) {
524 pr_warn("PLL_A boot enabled with IDDQ set\n");
525 plla->params->defaults_set = false;
526 }
527
528 pr_warn("PLL_A already enabled. Postponing set full defaults\n");
529
530 val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */
531 mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE;
532 _pll_misc_chk_default(clk_base, plla->params, 0, val,
533 ~mask & PLLA_MISC0_WRITE_MASK);
534
535 val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */
536 _pll_misc_chk_default(clk_base, plla->params, 2, val,
537 PLLA_MISC2_EN_DYNRAMP);
538
539 /* Enable lock detect */
540 val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]);
541 val &= ~mask;
542 val |= PLLA_MISC0_DEFAULT_VALUE & mask;
543 writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]);
544 udelay(1);
545
546 return;
547 }
548
549 /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */
550 val |= PLLA_BASE_IDDQ;
551 writel_relaxed(val, clk_base + plla->params->base_reg);
552 writel_relaxed(PLLA_MISC0_DEFAULT_VALUE,
553 clk_base + plla->params->ext_misc_reg[0]);
554 writel_relaxed(PLLA_MISC2_DEFAULT_VALUE,
555 clk_base + plla->params->ext_misc_reg[2]);
556 udelay(1);
557}
558
559/*
560 * PLLD
561 * PLL with fractional SDM.
562 */
563void tegra210_plld_set_defaults(struct tegra_clk_pll *plld)
564{
565 u32 val;
566 u32 mask = 0xffff;
567
568 plld->params->defaults_set = true;
569
570 if (readl_relaxed(clk_base + plld->params->base_reg) &
571 PLL_ENABLE) {
572 pr_warn("PLL_D already enabled. Postponing set full defaults\n");
573
574 /*
575 * PLL is ON: check if defaults already set, then set those
576 * that can be updated in flight.
577 */
578 val = PLLD_MISC1_DEFAULT_VALUE;
579 _pll_misc_chk_default(clk_base, plld->params, 1,
580 val, PLLD_MISC1_WRITE_MASK);
581
582 /* ignore lock, DSI and SDM controls, make sure IDDQ not set */
583 val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ);
584 mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE |
585 PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM;
586 _pll_misc_chk_default(clk_base, plld->params, 0, val,
587 ~mask & PLLD_MISC0_WRITE_MASK);
588
589 /* Enable lock detect */
590 mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE;
591 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
592 val &= ~mask;
593 val |= PLLD_MISC0_DEFAULT_VALUE & mask;
594 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
595 udelay(1);
596
597 return;
598 }
599
600 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
601 val &= PLLD_MISC0_DSI_CLKENABLE;
602 val |= PLLD_MISC0_DEFAULT_VALUE;
603 /* set IDDQ, enable lock detect, disable SDM */
604 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
605 writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base +
606 plld->params->ext_misc_reg[1]);
607 udelay(1);
608}
609
610/*
611 * PLLD2, PLLDP
612 * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used).
613 */
614static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss,
615 u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val)
616{
617 u32 default_val;
618 u32 val = readl_relaxed(clk_base + plldss->params->base_reg);
619
620 plldss->params->defaults_set = true;
621
622 if (val & PLL_ENABLE) {
623 pr_warn("%s already enabled. Postponing set full defaults\n",
624 pll_name);
625
626 /*
627 * PLL is ON: check if defaults already set, then set those
628 * that can be updated in flight.
629 */
630 if (val & PLLDSS_BASE_IDDQ) {
631 pr_warn("plldss boot enabled with IDDQ set\n");
632 plldss->params->defaults_set = false;
633 }
634
635 /* ignore lock enable */
636 default_val = misc0_val;
637 _pll_misc_chk_default(clk_base, plldss->params, 0, default_val,
638 PLLDSS_MISC0_WRITE_MASK &
639 (~PLLDSS_MISC0_LOCK_ENABLE));
640
641 /*
642 * If SSC is used, check all settings, otherwise just confirm
643 * that SSC is not used on boot as well. Do nothing when using
644 * this function for PLLC4 that has only MISC0.
645 */
646 if (plldss->params->ssc_ctrl_en_mask) {
647 default_val = misc1_val;
648 _pll_misc_chk_default(clk_base, plldss->params, 1,
649 default_val, PLLDSS_MISC1_CFG_WRITE_MASK);
650 default_val = misc2_val;
651 _pll_misc_chk_default(clk_base, plldss->params, 2,
652 default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK);
653 default_val = misc3_val;
654 _pll_misc_chk_default(clk_base, plldss->params, 3,
655 default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK);
656 } else if (plldss->params->ext_misc_reg[1]) {
657 default_val = misc1_val;
658 _pll_misc_chk_default(clk_base, plldss->params, 1,
659 default_val, PLLDSS_MISC1_CFG_WRITE_MASK &
660 (~PLLDSS_MISC1_CFG_EN_SDM));
661 }
662
663 /* Enable lock detect */
664 if (val & PLLDSS_BASE_LOCK_OVERRIDE) {
665 val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
666 writel_relaxed(val, clk_base +
667 plldss->params->base_reg);
668 }
669
670 val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]);
671 val &= ~PLLDSS_MISC0_LOCK_ENABLE;
672 val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE;
673 writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]);
674 udelay(1);
675
676 return;
677 }
678
679 /* set IDDQ, enable lock detect, configure SDM/SSC */
680 val |= PLLDSS_BASE_IDDQ;
681 val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
682 writel_relaxed(val, clk_base + plldss->params->base_reg);
683
684 /* When using this function for PLLC4 exit here */
685 if (!plldss->params->ext_misc_reg[1]) {
686 writel_relaxed(misc0_val, clk_base +
687 plldss->params->ext_misc_reg[0]);
688 udelay(1);
689 return;
690 }
691
692 writel_relaxed(misc0_val, clk_base +
693 plldss->params->ext_misc_reg[0]);
694 /* if SSC used set by 1st enable */
695 writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC),
696 clk_base + plldss->params->ext_misc_reg[1]);
697 writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]);
698 writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]);
699 udelay(1);
700}
701
702void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2)
703{
704 plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE,
705 PLLD2_MISC1_CFG_DEFAULT_VALUE,
706 PLLD2_MISC2_CTRL1_DEFAULT_VALUE,
707 PLLD2_MISC3_CTRL2_DEFAULT_VALUE);
708}
709
710void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp)
711{
712 plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE,
713 PLLDP_MISC1_CFG_DEFAULT_VALUE,
714 PLLDP_MISC2_CTRL1_DEFAULT_VALUE,
715 PLLDP_MISC3_CTRL2_DEFAULT_VALUE);
716}
717
718/*
719 * PLLC4
720 * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support.
721 * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers.
722 */
723void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4)
724{
725 plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0);
726}
727
728/*
729 * PLLRE
730 * VCO is exposed to the clock tree directly along with post-divider output
731 */
732void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre)
733{
734 u32 mask;
735 u32 val = readl_relaxed(clk_base + pllre->params->base_reg);
736
737 pllre->params->defaults_set = true;
738
739 if (val & PLL_ENABLE) {
740 pr_warn("PLL_RE already enabled. Postponing set full defaults\n");
741
742 /*
743 * PLL is ON: check if defaults already set, then set those
744 * that can be updated in flight.
745 */
746 val &= PLLRE_BASE_DEFAULT_MASK;
747 if (val != PLLRE_BASE_DEFAULT_VALUE) {
748 pr_warn("pllre boot base 0x%x : expected 0x%x\n",
749 val, PLLRE_BASE_DEFAULT_VALUE);
750 pr_warn("(comparison mask = 0x%x)\n",
751 PLLRE_BASE_DEFAULT_MASK);
752 pllre->params->defaults_set = false;
753 }
754
755 /* Ignore lock enable */
756 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ);
757 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE;
758 _pll_misc_chk_default(clk_base, pllre->params, 0, val,
759 ~mask & PLLRE_MISC0_WRITE_MASK);
760
761 /* Enable lock detect */
762 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]);
763 val &= ~mask;
764 val |= PLLRE_MISC0_DEFAULT_VALUE & mask;
765 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]);
766 udelay(1);
767
768 return;
769 }
770
771 /* set IDDQ, enable lock detect */
772 val &= ~PLLRE_BASE_DEFAULT_MASK;
773 val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK;
774 writel_relaxed(val, clk_base + pllre->params->base_reg);
775 writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE,
776 clk_base + pllre->params->ext_misc_reg[0]);
777 udelay(1);
778}
779
780static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b)
781{
782 unsigned long input_rate;
783
Rhyland Klein3dad5c52016-01-14 14:24:35 -0500784 /* cf rate */
785 if (!IS_ERR_OR_NULL(hw->clk))
Rhyland Klein6b301a02015-06-18 17:28:36 -0400786 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
Rhyland Klein3dad5c52016-01-14 14:24:35 -0500787 else
Rhyland Klein6b301a02015-06-18 17:28:36 -0400788 input_rate = 38400000;
Rhyland Klein3dad5c52016-01-14 14:24:35 -0500789
790 input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate);
Rhyland Klein6b301a02015-06-18 17:28:36 -0400791
792 switch (input_rate) {
793 case 12000000:
794 case 12800000:
795 case 13000000:
796 *step_a = 0x2B;
797 *step_b = 0x0B;
798 return;
799 case 19200000:
800 *step_a = 0x12;
801 *step_b = 0x08;
802 return;
803 case 38400000:
804 *step_a = 0x04;
805 *step_b = 0x05;
806 return;
807 default:
808 pr_err("%s: Unexpected reference rate %lu\n",
809 __func__, input_rate);
810 BUG();
811 }
812}
813
814static void pllx_check_defaults(struct tegra_clk_pll *pll)
815{
816 u32 default_val;
817
818 default_val = PLLX_MISC0_DEFAULT_VALUE;
819 /* ignore lock enable */
820 _pll_misc_chk_default(clk_base, pll->params, 0, default_val,
821 PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE));
822
823 default_val = PLLX_MISC1_DEFAULT_VALUE;
824 _pll_misc_chk_default(clk_base, pll->params, 1, default_val,
825 PLLX_MISC1_WRITE_MASK);
826
827 /* ignore all but control bit */
828 default_val = PLLX_MISC2_DEFAULT_VALUE;
829 _pll_misc_chk_default(clk_base, pll->params, 2,
830 default_val, PLLX_MISC2_EN_DYNRAMP);
831
832 default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ);
833 _pll_misc_chk_default(clk_base, pll->params, 3, default_val,
834 PLLX_MISC3_WRITE_MASK);
835
836 default_val = PLLX_MISC4_DEFAULT_VALUE;
837 _pll_misc_chk_default(clk_base, pll->params, 4, default_val,
838 PLLX_MISC4_WRITE_MASK);
839
840 default_val = PLLX_MISC5_DEFAULT_VALUE;
841 _pll_misc_chk_default(clk_base, pll->params, 5, default_val,
842 PLLX_MISC5_WRITE_MASK);
843}
844
845void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx)
846{
847 u32 val;
848 u32 step_a, step_b;
849
850 pllx->params->defaults_set = true;
851
852 /* Get ready dyn ramp state machine settings */
853 pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b);
854 val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) &
855 (~PLLX_MISC2_DYNRAMP_STEPB_MASK);
856 val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT;
857 val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT;
858
859 if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) {
860 pr_warn("PLL_X already enabled. Postponing set full defaults\n");
861
862 /*
863 * PLL is ON: check if defaults already set, then set those
864 * that can be updated in flight.
865 */
866 pllx_check_defaults(pllx);
867
868 /* Configure dyn ramp, disable lock override */
869 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
870
871 /* Enable lock detect */
872 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]);
873 val &= ~PLLX_MISC0_LOCK_ENABLE;
874 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE;
875 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]);
876 udelay(1);
877
878 return;
879 }
880
881 /* Enable lock detect and CPU output */
882 writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base +
883 pllx->params->ext_misc_reg[0]);
884
885 /* Setup */
886 writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base +
887 pllx->params->ext_misc_reg[1]);
888
889 /* Configure dyn ramp state machine, disable lock override */
890 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
891
892 /* Set IDDQ */
893 writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base +
894 pllx->params->ext_misc_reg[3]);
895
896 /* Disable SDM */
897 writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base +
898 pllx->params->ext_misc_reg[4]);
899 writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base +
900 pllx->params->ext_misc_reg[5]);
901 udelay(1);
902}
903
904/* PLLMB */
905void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb)
906{
907 u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg);
908
909 pllmb->params->defaults_set = true;
910
911 if (val & PLL_ENABLE) {
912 pr_warn("PLL_MB already enabled. Postponing set full defaults\n");
913
914 /*
915 * PLL is ON: check if defaults already set, then set those
916 * that can be updated in flight.
917 */
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500918 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ);
919 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE;
Rhyland Klein6b301a02015-06-18 17:28:36 -0400920 _pll_misc_chk_default(clk_base, pllmb->params, 0, val,
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500921 ~mask & PLLMB_MISC1_WRITE_MASK);
Rhyland Klein6b301a02015-06-18 17:28:36 -0400922
923 /* Enable lock detect */
924 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]);
925 val &= ~mask;
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500926 val |= PLLMB_MISC1_DEFAULT_VALUE & mask;
Rhyland Klein6b301a02015-06-18 17:28:36 -0400927 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]);
928 udelay(1);
929
930 return;
931 }
932
933 /* set IDDQ, enable lock detect */
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500934 writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE,
Rhyland Klein6b301a02015-06-18 17:28:36 -0400935 clk_base + pllmb->params->ext_misc_reg[0]);
936 udelay(1);
937}
938
939/*
940 * PLLP
941 * VCO is exposed to the clock tree directly along with post-divider output.
942 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz,
943 * respectively.
944 */
945static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled)
946{
947 u32 val, mask;
948
949 /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */
950 val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ);
951 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
952 if (!enabled)
953 mask |= PLLP_MISC0_IDDQ;
954 _pll_misc_chk_default(clk_base, pll->params, 0, val,
955 ~mask & PLLP_MISC0_WRITE_MASK);
956
957 /* Ignore branch controls */
958 val = PLLP_MISC1_DEFAULT_VALUE;
959 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
960 _pll_misc_chk_default(clk_base, pll->params, 1, val,
961 ~mask & PLLP_MISC1_WRITE_MASK);
962}
963
964void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp)
965{
966 u32 mask;
967 u32 val = readl_relaxed(clk_base + pllp->params->base_reg);
968
969 pllp->params->defaults_set = true;
970
971 if (val & PLL_ENABLE) {
972 pr_warn("PLL_P already enabled. Postponing set full defaults\n");
973
974 /*
975 * PLL is ON: check if defaults already set, then set those
976 * that can be updated in flight.
977 */
978 pllp_check_defaults(pllp, true);
979
980 /* Enable lock detect */
981 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]);
982 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
983 val &= ~mask;
984 val |= PLLP_MISC0_DEFAULT_VALUE & mask;
985 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]);
986 udelay(1);
987
988 return;
989 }
990
991 /* set IDDQ, enable lock detect */
992 writel_relaxed(PLLP_MISC0_DEFAULT_VALUE,
993 clk_base + pllp->params->ext_misc_reg[0]);
994
995 /* Preserve branch control */
996 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]);
997 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
998 val &= mask;
999 val |= ~mask & PLLP_MISC1_DEFAULT_VALUE;
1000 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]);
1001 udelay(1);
1002}
1003
1004/*
1005 * PLLU
1006 * VCO is exposed to the clock tree directly along with post-divider output.
1007 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz,
1008 * respectively.
1009 */
1010static void pllu_check_defaults(struct tegra_clk_pll *pll, bool hw_control)
1011{
1012 u32 val, mask;
1013
1014 /* Ignore lock enable (will be set) and IDDQ if under h/w control */
1015 val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ);
1016 mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0);
1017 _pll_misc_chk_default(clk_base, pll->params, 0, val,
1018 ~mask & PLLU_MISC0_WRITE_MASK);
1019
1020 val = PLLU_MISC1_DEFAULT_VALUE;
1021 mask = PLLU_MISC1_LOCK_OVERRIDE;
1022 _pll_misc_chk_default(clk_base, pll->params, 1, val,
1023 ~mask & PLLU_MISC1_WRITE_MASK);
1024}
1025
1026void tegra210_pllu_set_defaults(struct tegra_clk_pll *pllu)
1027{
1028 u32 val = readl_relaxed(clk_base + pllu->params->base_reg);
1029
1030 pllu->params->defaults_set = true;
1031
1032 if (val & PLL_ENABLE) {
1033 pr_warn("PLL_U already enabled. Postponing set full defaults\n");
1034
1035 /*
1036 * PLL is ON: check if defaults already set, then set those
1037 * that can be updated in flight.
1038 */
1039 pllu_check_defaults(pllu, false);
1040
1041 /* Enable lock detect */
1042 val = readl_relaxed(clk_base + pllu->params->ext_misc_reg[0]);
1043 val &= ~PLLU_MISC0_LOCK_ENABLE;
1044 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE;
1045 writel_relaxed(val, clk_base + pllu->params->ext_misc_reg[0]);
1046
1047 val = readl_relaxed(clk_base + pllu->params->ext_misc_reg[1]);
1048 val &= ~PLLU_MISC1_LOCK_OVERRIDE;
1049 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE;
1050 writel_relaxed(val, clk_base + pllu->params->ext_misc_reg[1]);
1051 udelay(1);
1052
1053 return;
1054 }
1055
1056 /* set IDDQ, enable lock detect */
1057 writel_relaxed(PLLU_MISC0_DEFAULT_VALUE,
1058 clk_base + pllu->params->ext_misc_reg[0]);
1059 writel_relaxed(PLLU_MISC1_DEFAULT_VALUE,
1060 clk_base + pllu->params->ext_misc_reg[1]);
1061 udelay(1);
1062}
1063
1064#define mask(w) ((1 << (w)) - 1)
1065#define divm_mask(p) mask(p->params->div_nmp->divm_width)
1066#define divn_mask(p) mask(p->params->div_nmp->divn_width)
1067#define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
1068 mask(p->params->div_nmp->divp_width))
1069
1070#define divm_shift(p) ((p)->params->div_nmp->divm_shift)
1071#define divn_shift(p) ((p)->params->div_nmp->divn_shift)
1072#define divp_shift(p) ((p)->params->div_nmp->divp_shift)
1073
1074#define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
1075#define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
1076#define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
1077
1078#define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */
1079static int tegra210_wait_for_mask(struct tegra_clk_pll *pll,
1080 u32 reg, u32 mask)
1081{
1082 int i;
1083 u32 val = 0;
1084
1085 for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) {
1086 udelay(PLL_LOCKDET_DELAY);
1087 val = readl_relaxed(clk_base + reg);
1088 if ((val & mask) == mask) {
1089 udelay(PLL_LOCKDET_DELAY);
1090 return 0;
1091 }
1092 }
1093 return -ETIMEDOUT;
1094}
1095
1096static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx,
1097 struct tegra_clk_pll_freq_table *cfg)
1098{
1099 u32 val, base, ndiv_new_mask;
1100
1101 ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift)
1102 << PLLX_MISC2_NDIV_NEW_SHIFT;
1103
1104 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1105 val &= (~ndiv_new_mask);
1106 val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT;
1107 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1108 udelay(1);
1109
1110 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1111 val |= PLLX_MISC2_EN_DYNRAMP;
1112 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1113 udelay(1);
1114
1115 tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2],
1116 PLLX_MISC2_DYNRAMP_DONE);
1117
1118 base = readl_relaxed(clk_base + pllx->params->base_reg) &
1119 (~divn_mask_shifted(pllx));
1120 base |= cfg->n << pllx->params->div_nmp->divn_shift;
1121 writel_relaxed(base, clk_base + pllx->params->base_reg);
1122 udelay(1);
1123
1124 val &= ~PLLX_MISC2_EN_DYNRAMP;
1125 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1126 udelay(1);
1127
1128 pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n",
1129 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p,
1130 cfg->input_rate / cfg->m * cfg->n /
1131 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000);
1132
1133 return 0;
1134}
1135
1136/*
1137 * Common configuration for PLLs with fixed input divider policy:
1138 * - always set fixed M-value based on the reference rate
1139 * - always set P-value value 1:1 for output rates above VCO minimum, and
1140 * choose minimum necessary P-value for output rates below VCO maximum
1141 * - calculate N-value based on selected M and P
1142 * - calculate SDM_DIN fractional part
1143 */
1144static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
1145 struct tegra_clk_pll_freq_table *cfg,
1146 unsigned long rate, unsigned long input_rate)
1147{
1148 struct tegra_clk_pll *pll = to_clk_pll(hw);
1149 struct tegra_clk_pll_params *params = pll->params;
1150 int p;
1151 unsigned long cf, p_rate;
1152 u32 pdiv;
1153
1154 if (!rate)
1155 return -EINVAL;
1156
1157 if (!(params->flags & TEGRA_PLL_VCO_OUT)) {
1158 p = DIV_ROUND_UP(params->vco_min, rate);
1159 p = params->round_p_to_pdiv(p, &pdiv);
1160 } else {
1161 p = rate >= params->vco_min ? 1 : -EINVAL;
1162 }
1163
1164 if (IS_ERR_VALUE(p))
1165 return -EINVAL;
1166
1167 cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate);
1168 cfg->p = p;
1169
1170 /* Store P as HW value, as that is what is expected */
1171 cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p);
1172
1173 p_rate = rate * p;
1174 if (p_rate > params->vco_max)
1175 p_rate = params->vco_max;
1176 cf = input_rate / cfg->m;
1177 cfg->n = p_rate / cf;
1178
1179 cfg->sdm_data = 0;
1180 if (params->sdm_ctrl_reg) {
1181 unsigned long rem = p_rate - cf * cfg->n;
1182 /* If ssc is enabled SDM enabled as well, even for integer n */
1183 if (rem || params->ssc_ctrl_reg) {
1184 u64 s = rem * PLL_SDM_COEFF;
1185
1186 do_div(s, cf);
1187 s -= PLL_SDM_COEFF / 2;
1188 cfg->sdm_data = sdin_din_to_data(s);
1189 }
1190 }
1191
1192 cfg->input_rate = input_rate;
1193 cfg->output_rate = rate;
1194
1195 return 0;
1196}
1197
1198/*
1199 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate
1200 *
1201 * @cfg: struct tegra_clk_pll_freq_table * cfg
1202 *
1203 * For Normal mode:
1204 * Fvco = Fref * NDIV / MDIV
1205 *
1206 * For fractional mode:
1207 * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV
1208 */
1209static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg)
1210{
1211 cfg->n = cfg->n * PLL_SDM_COEFF + PLL_SDM_COEFF/2 +
1212 sdin_data_to_din(cfg->sdm_data);
1213 cfg->m *= PLL_SDM_COEFF;
1214}
1215
1216unsigned long tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params,
1217 unsigned long parent_rate)
1218{
1219 unsigned long vco_min = params->vco_min;
1220
1221 params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF);
1222 vco_min = min(vco_min, params->vco_min);
1223
1224 return vco_min;
1225}
1226
1227static struct div_nmp pllx_nmp = {
1228 .divm_shift = 0,
1229 .divm_width = 8,
1230 .divn_shift = 8,
1231 .divn_width = 8,
1232 .divp_shift = 20,
1233 .divp_width = 5,
1234};
1235/*
1236 * PLL post divider maps - two types: quasi-linear and exponential
1237 * post divider.
1238 */
1239#define PLL_QLIN_PDIV_MAX 16
1240static const struct pdiv_map pll_qlin_pdiv_to_hw[] = {
1241 { .pdiv = 1, .hw_val = 0 },
1242 { .pdiv = 2, .hw_val = 1 },
1243 { .pdiv = 3, .hw_val = 2 },
1244 { .pdiv = 4, .hw_val = 3 },
1245 { .pdiv = 5, .hw_val = 4 },
1246 { .pdiv = 6, .hw_val = 5 },
1247 { .pdiv = 8, .hw_val = 6 },
1248 { .pdiv = 9, .hw_val = 7 },
1249 { .pdiv = 10, .hw_val = 8 },
1250 { .pdiv = 12, .hw_val = 9 },
1251 { .pdiv = 15, .hw_val = 10 },
1252 { .pdiv = 16, .hw_val = 11 },
1253 { .pdiv = 18, .hw_val = 12 },
1254 { .pdiv = 20, .hw_val = 13 },
1255 { .pdiv = 24, .hw_val = 14 },
1256 { .pdiv = 30, .hw_val = 15 },
1257 { .pdiv = 32, .hw_val = 16 },
1258};
1259
1260static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv)
1261{
1262 int i;
1263
1264 if (p) {
1265 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) {
1266 if (p <= pll_qlin_pdiv_to_hw[i].pdiv) {
1267 if (pdiv)
1268 *pdiv = i;
1269 return pll_qlin_pdiv_to_hw[i].pdiv;
1270 }
1271 }
1272 }
1273
1274 return -EINVAL;
1275}
1276
1277#define PLL_EXPO_PDIV_MAX 7
1278static const struct pdiv_map pll_expo_pdiv_to_hw[] = {
1279 { .pdiv = 1, .hw_val = 0 },
1280 { .pdiv = 2, .hw_val = 1 },
1281 { .pdiv = 4, .hw_val = 2 },
1282 { .pdiv = 8, .hw_val = 3 },
1283 { .pdiv = 16, .hw_val = 4 },
1284 { .pdiv = 32, .hw_val = 5 },
1285 { .pdiv = 64, .hw_val = 6 },
1286 { .pdiv = 128, .hw_val = 7 },
1287};
1288
1289static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv)
1290{
1291 if (p) {
1292 u32 i = fls(p);
1293
1294 if (i == ffs(p))
1295 i--;
1296
1297 if (i <= PLL_EXPO_PDIV_MAX) {
1298 if (pdiv)
1299 *pdiv = i;
1300 return 1 << i;
1301 }
1302 }
1303 return -EINVAL;
1304}
1305
1306static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
1307 /* 1 GHz */
1308 { 12000000, 1000000000, 166, 1, 1, 0 }, /* actual: 996.0 MHz */
1309 { 13000000, 1000000000, 153, 1, 1, 0 }, /* actual: 994.0 MHz */
1310 { 38400000, 1000000000, 156, 3, 1, 0 }, /* actual: 998.4 MHz */
1311 { 0, 0, 0, 0, 0, 0 },
1312};
1313
1314static struct tegra_clk_pll_params pll_x_params = {
1315 .input_min = 12000000,
1316 .input_max = 800000000,
1317 .cf_min = 12000000,
1318 .cf_max = 38400000,
1319 .vco_min = 1350000000,
1320 .vco_max = 3000000000UL,
1321 .base_reg = PLLX_BASE,
1322 .misc_reg = PLLX_MISC0,
1323 .lock_mask = PLL_BASE_LOCK,
1324 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
1325 .lock_delay = 300,
1326 .ext_misc_reg[0] = PLLX_MISC0,
1327 .ext_misc_reg[1] = PLLX_MISC1,
1328 .ext_misc_reg[2] = PLLX_MISC2,
1329 .ext_misc_reg[3] = PLLX_MISC3,
1330 .ext_misc_reg[4] = PLLX_MISC4,
1331 .ext_misc_reg[5] = PLLX_MISC5,
1332 .iddq_reg = PLLX_MISC3,
1333 .iddq_bit_idx = PLLXP_IDDQ_BIT,
1334 .max_p = PLL_QLIN_PDIV_MAX,
1335 .mdiv_default = 2,
1336 .dyn_ramp_reg = PLLX_MISC2,
1337 .stepa_shift = 16,
1338 .stepb_shift = 24,
1339 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1340 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1341 .div_nmp = &pllx_nmp,
1342 .freq_table = pll_x_freq_table,
1343 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1344 .dyn_ramp = tegra210_pllx_dyn_ramp,
1345 .set_defaults = tegra210_pllx_set_defaults,
1346 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1347};
1348
1349static struct div_nmp pllc_nmp = {
1350 .divm_shift = 0,
1351 .divm_width = 8,
1352 .divn_shift = 10,
1353 .divn_width = 8,
1354 .divp_shift = 20,
1355 .divp_width = 5,
1356};
1357
1358static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
1359 { 12000000, 510000000, 85, 1, 1, 0 },
1360 { 13000000, 510000000, 78, 1, 1, 0 }, /* actual: 507.0 MHz */
1361 { 38400000, 510000000, 79, 3, 1, 0 }, /* actual: 505.6 MHz */
1362 { 0, 0, 0, 0, 0, 0 },
1363};
1364
1365static struct tegra_clk_pll_params pll_c_params = {
1366 .input_min = 12000000,
1367 .input_max = 700000000,
1368 .cf_min = 12000000,
1369 .cf_max = 50000000,
1370 .vco_min = 600000000,
1371 .vco_max = 1200000000,
1372 .base_reg = PLLC_BASE,
1373 .misc_reg = PLLC_MISC0,
1374 .lock_mask = PLL_BASE_LOCK,
1375 .lock_delay = 300,
1376 .iddq_reg = PLLC_MISC1,
1377 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1378 .reset_reg = PLLC_MISC0,
1379 .reset_bit_idx = PLLCX_RESET_BIT,
1380 .max_p = PLL_QLIN_PDIV_MAX,
1381 .ext_misc_reg[0] = PLLC_MISC0,
1382 .ext_misc_reg[1] = PLLC_MISC1,
1383 .ext_misc_reg[2] = PLLC_MISC2,
1384 .ext_misc_reg[3] = PLLC_MISC3,
1385 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1386 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1387 .mdiv_default = 3,
1388 .div_nmp = &pllc_nmp,
1389 .freq_table = pll_cx_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001390 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001391 .set_defaults = _pllc_set_defaults,
1392 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1393};
1394
1395static struct div_nmp pllcx_nmp = {
1396 .divm_shift = 0,
1397 .divm_width = 8,
1398 .divn_shift = 10,
1399 .divn_width = 8,
1400 .divp_shift = 20,
1401 .divp_width = 5,
1402};
1403
1404static struct tegra_clk_pll_params pll_c2_params = {
1405 .input_min = 12000000,
1406 .input_max = 700000000,
1407 .cf_min = 12000000,
1408 .cf_max = 50000000,
1409 .vco_min = 600000000,
1410 .vco_max = 1200000000,
1411 .base_reg = PLLC2_BASE,
1412 .misc_reg = PLLC2_MISC0,
1413 .iddq_reg = PLLC2_MISC1,
1414 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1415 .reset_reg = PLLC2_MISC0,
1416 .reset_bit_idx = PLLCX_RESET_BIT,
1417 .lock_mask = PLLCX_BASE_LOCK,
1418 .lock_delay = 300,
1419 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1420 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1421 .mdiv_default = 3,
1422 .div_nmp = &pllcx_nmp,
1423 .max_p = PLL_QLIN_PDIV_MAX,
1424 .ext_misc_reg[0] = PLLC2_MISC0,
1425 .ext_misc_reg[1] = PLLC2_MISC1,
1426 .ext_misc_reg[2] = PLLC2_MISC2,
1427 .ext_misc_reg[3] = PLLC2_MISC3,
1428 .freq_table = pll_cx_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001429 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001430 .set_defaults = _pllc2_set_defaults,
1431 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1432};
1433
1434static struct tegra_clk_pll_params pll_c3_params = {
1435 .input_min = 12000000,
1436 .input_max = 700000000,
1437 .cf_min = 12000000,
1438 .cf_max = 50000000,
1439 .vco_min = 600000000,
1440 .vco_max = 1200000000,
1441 .base_reg = PLLC3_BASE,
1442 .misc_reg = PLLC3_MISC0,
1443 .lock_mask = PLLCX_BASE_LOCK,
1444 .lock_delay = 300,
1445 .iddq_reg = PLLC3_MISC1,
1446 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1447 .reset_reg = PLLC3_MISC0,
1448 .reset_bit_idx = PLLCX_RESET_BIT,
1449 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1450 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1451 .mdiv_default = 3,
1452 .div_nmp = &pllcx_nmp,
1453 .max_p = PLL_QLIN_PDIV_MAX,
1454 .ext_misc_reg[0] = PLLC3_MISC0,
1455 .ext_misc_reg[1] = PLLC3_MISC1,
1456 .ext_misc_reg[2] = PLLC3_MISC2,
1457 .ext_misc_reg[3] = PLLC3_MISC3,
1458 .freq_table = pll_cx_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001459 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001460 .set_defaults = _pllc3_set_defaults,
1461 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1462};
1463
1464static struct div_nmp pllss_nmp = {
1465 .divm_shift = 0,
1466 .divm_width = 8,
1467 .divn_shift = 8,
1468 .divn_width = 8,
1469 .divp_shift = 19,
1470 .divp_width = 5,
1471};
1472
1473static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = {
1474 { 12000000, 600000000, 50, 1, 0, 0 },
1475 { 13000000, 600000000, 46, 1, 0, 0 }, /* actual: 598.0 MHz */
1476 { 38400000, 600000000, 62, 4, 0, 0 }, /* actual: 595.2 MHz */
1477 { 0, 0, 0, 0, 0, 0 },
1478};
1479
1480static const struct clk_div_table pll_vco_post_div_table[] = {
1481 { .val = 0, .div = 1 },
1482 { .val = 1, .div = 2 },
1483 { .val = 2, .div = 3 },
1484 { .val = 3, .div = 4 },
1485 { .val = 4, .div = 5 },
1486 { .val = 5, .div = 6 },
1487 { .val = 6, .div = 8 },
1488 { .val = 7, .div = 10 },
1489 { .val = 8, .div = 12 },
1490 { .val = 9, .div = 16 },
1491 { .val = 10, .div = 12 },
1492 { .val = 11, .div = 16 },
1493 { .val = 12, .div = 20 },
1494 { .val = 13, .div = 24 },
1495 { .val = 14, .div = 32 },
1496 { .val = 0, .div = 0 },
1497};
1498
1499static struct tegra_clk_pll_params pll_c4_vco_params = {
1500 .input_min = 9600000,
1501 .input_max = 800000000,
1502 .cf_min = 9600000,
1503 .cf_max = 19200000,
1504 .vco_min = 500000000,
1505 .vco_max = 1080000000,
1506 .base_reg = PLLC4_BASE,
1507 .misc_reg = PLLC4_MISC0,
1508 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001509 .lock_delay = 300,
1510 .max_p = PLL_QLIN_PDIV_MAX,
1511 .ext_misc_reg[0] = PLLC4_MISC0,
1512 .iddq_reg = PLLC4_BASE,
1513 .iddq_bit_idx = PLLSS_IDDQ_BIT,
1514 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1515 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1516 .mdiv_default = 3,
1517 .div_nmp = &pllss_nmp,
1518 .freq_table = pll_c4_vco_freq_table,
1519 .set_defaults = tegra210_pllc4_set_defaults,
Rhyland Klein14050112016-01-14 14:24:31 -05001520 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001521 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1522};
1523
1524static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
1525 { 12000000, 800000000, 66, 1, 0, 0 }, /* actual: 792.0 MHz */
1526 { 13000000, 800000000, 61, 1, 0, 0 }, /* actual: 793.0 MHz */
1527 { 38400000, 297600000, 93, 4, 2, 0 },
1528 { 38400000, 400000000, 125, 4, 2, 0 },
1529 { 38400000, 532800000, 111, 4, 1, 0 },
1530 { 38400000, 665600000, 104, 3, 1, 0 },
1531 { 38400000, 800000000, 125, 3, 1, 0 },
1532 { 38400000, 931200000, 97, 4, 0, 0 },
1533 { 38400000, 1065600000, 111, 4, 0, 0 },
1534 { 38400000, 1200000000, 125, 4, 0, 0 },
1535 { 38400000, 1331200000, 104, 3, 0, 0 },
1536 { 38400000, 1459200000, 76, 2, 0, 0 },
1537 { 38400000, 1600000000, 125, 3, 0, 0 },
1538 { 0, 0, 0, 0, 0, 0 },
1539};
1540
1541static struct div_nmp pllm_nmp = {
1542 .divm_shift = 0,
1543 .divm_width = 8,
1544 .override_divm_shift = 0,
1545 .divn_shift = 8,
1546 .divn_width = 8,
1547 .override_divn_shift = 8,
1548 .divp_shift = 20,
1549 .divp_width = 5,
1550 .override_divp_shift = 27,
1551};
1552
1553static struct tegra_clk_pll_params pll_m_params = {
1554 .input_min = 9600000,
1555 .input_max = 500000000,
1556 .cf_min = 9600000,
1557 .cf_max = 19200000,
1558 .vco_min = 800000000,
1559 .vco_max = 1866000000,
1560 .base_reg = PLLM_BASE,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001561 .misc_reg = PLLM_MISC2,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001562 .lock_mask = PLL_BASE_LOCK,
1563 .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE,
1564 .lock_delay = 300,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001565 .iddq_reg = PLLM_MISC2,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001566 .iddq_bit_idx = PLLM_IDDQ_BIT,
1567 .max_p = PLL_QLIN_PDIV_MAX,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001568 .ext_misc_reg[0] = PLLM_MISC2,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001569 .ext_misc_reg[0] = PLLM_MISC1,
1570 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1571 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1572 .div_nmp = &pllm_nmp,
1573 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
1574 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
1575 .freq_table = pll_m_freq_table,
1576 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1577 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1578};
1579
1580static struct tegra_clk_pll_params pll_mb_params = {
1581 .input_min = 9600000,
1582 .input_max = 500000000,
1583 .cf_min = 9600000,
1584 .cf_max = 19200000,
1585 .vco_min = 800000000,
1586 .vco_max = 1866000000,
1587 .base_reg = PLLMB_BASE,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001588 .misc_reg = PLLMB_MISC1,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001589 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001590 .lock_delay = 300,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001591 .iddq_reg = PLLMB_MISC1,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001592 .iddq_bit_idx = PLLMB_IDDQ_BIT,
1593 .max_p = PLL_QLIN_PDIV_MAX,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001594 .ext_misc_reg[0] = PLLMB_MISC1,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001595 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1596 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1597 .div_nmp = &pllm_nmp,
1598 .freq_table = pll_m_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001599 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001600 .set_defaults = tegra210_pllmb_set_defaults,
1601 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1602};
1603
1604
1605static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
1606 /* PLLE special case: use cpcon field to store cml divider value */
1607 { 672000000, 100000000, 125, 42, 0, 13 },
1608 { 624000000, 100000000, 125, 39, 0, 13 },
1609 { 336000000, 100000000, 125, 21, 0, 13 },
1610 { 312000000, 100000000, 200, 26, 0, 14 },
1611 { 38400000, 100000000, 125, 2, 0, 14 },
1612 { 12000000, 100000000, 200, 1, 0, 14 },
1613 { 0, 0, 0, 0, 0, 0 },
1614};
1615
1616static struct div_nmp plle_nmp = {
1617 .divm_shift = 0,
1618 .divm_width = 8,
1619 .divn_shift = 8,
1620 .divn_width = 8,
1621 .divp_shift = 24,
1622 .divp_width = 5,
1623};
1624
1625static struct tegra_clk_pll_params pll_e_params = {
1626 .input_min = 12000000,
1627 .input_max = 800000000,
1628 .cf_min = 12000000,
1629 .cf_max = 38400000,
1630 .vco_min = 1600000000,
1631 .vco_max = 2500000000U,
1632 .base_reg = PLLE_BASE,
1633 .misc_reg = PLLE_MISC0,
1634 .aux_reg = PLLE_AUX,
1635 .lock_mask = PLLE_MISC_LOCK,
1636 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
1637 .lock_delay = 300,
1638 .div_nmp = &plle_nmp,
1639 .freq_table = pll_e_freq_table,
1640 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK |
1641 TEGRA_PLL_HAS_LOCK_ENABLE,
1642 .fixed_rate = 100000000,
1643 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1644};
1645
1646static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = {
1647 { 12000000, 672000000, 56, 1, 0, 0 },
1648 { 13000000, 672000000, 51, 1, 0, 0 }, /* actual: 663.0 MHz */
1649 { 38400000, 672000000, 70, 4, 0, 0 },
1650 { 0, 0, 0, 0, 0, 0 },
1651};
1652
1653static struct div_nmp pllre_nmp = {
1654 .divm_shift = 0,
1655 .divm_width = 8,
1656 .divn_shift = 8,
1657 .divn_width = 8,
1658 .divp_shift = 16,
1659 .divp_width = 5,
1660};
1661
1662static struct tegra_clk_pll_params pll_re_vco_params = {
1663 .input_min = 9600000,
1664 .input_max = 800000000,
1665 .cf_min = 9600000,
1666 .cf_max = 19200000,
1667 .vco_min = 350000000,
1668 .vco_max = 700000000,
1669 .base_reg = PLLRE_BASE,
1670 .misc_reg = PLLRE_MISC0,
1671 .lock_mask = PLLRE_MISC_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001672 .lock_delay = 300,
1673 .max_p = PLL_QLIN_PDIV_MAX,
1674 .ext_misc_reg[0] = PLLRE_MISC0,
1675 .iddq_reg = PLLRE_MISC0,
1676 .iddq_bit_idx = PLLRE_IDDQ_BIT,
1677 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1678 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1679 .div_nmp = &pllre_nmp,
1680 .freq_table = pll_re_vco_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001681 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001682 .set_defaults = tegra210_pllre_set_defaults,
1683 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1684};
1685
1686static struct div_nmp pllp_nmp = {
1687 .divm_shift = 0,
1688 .divm_width = 8,
1689 .divn_shift = 10,
1690 .divn_width = 8,
1691 .divp_shift = 20,
1692 .divp_width = 5,
1693};
1694
1695static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
1696 { 12000000, 408000000, 34, 1, 0, 0 },
1697 { 38400000, 408000000, 85, 8, 0, 0 }, /* cf = 4.8MHz, allowed exception */
1698 { 0, 0, 0, 0, 0, 0 },
1699};
1700
1701static struct tegra_clk_pll_params pll_p_params = {
1702 .input_min = 9600000,
1703 .input_max = 800000000,
1704 .cf_min = 9600000,
1705 .cf_max = 19200000,
1706 .vco_min = 350000000,
1707 .vco_max = 700000000,
1708 .base_reg = PLLP_BASE,
1709 .misc_reg = PLLP_MISC0,
1710 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001711 .lock_delay = 300,
1712 .iddq_reg = PLLP_MISC0,
1713 .iddq_bit_idx = PLLXP_IDDQ_BIT,
1714 .ext_misc_reg[0] = PLLP_MISC0,
1715 .ext_misc_reg[1] = PLLP_MISC1,
1716 .div_nmp = &pllp_nmp,
1717 .freq_table = pll_p_freq_table,
1718 .fixed_rate = 408000000,
Rhyland Klein14050112016-01-14 14:24:31 -05001719 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001720 .set_defaults = tegra210_pllp_set_defaults,
1721 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1722};
1723
1724static struct tegra_clk_pll_params pll_a1_params = {
1725 .input_min = 12000000,
1726 .input_max = 700000000,
1727 .cf_min = 12000000,
1728 .cf_max = 50000000,
1729 .vco_min = 600000000,
1730 .vco_max = 1200000000,
1731 .base_reg = PLLA1_BASE,
1732 .misc_reg = PLLA1_MISC0,
1733 .lock_mask = PLLCX_BASE_LOCK,
1734 .lock_delay = 300,
1735 .iddq_reg = PLLA1_MISC0,
1736 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1737 .reset_reg = PLLA1_MISC0,
1738 .reset_bit_idx = PLLCX_RESET_BIT,
1739 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1740 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1741 .div_nmp = &pllc_nmp,
1742 .ext_misc_reg[0] = PLLA1_MISC0,
1743 .ext_misc_reg[1] = PLLA1_MISC1,
1744 .ext_misc_reg[2] = PLLA1_MISC2,
1745 .ext_misc_reg[3] = PLLA1_MISC3,
1746 .freq_table = pll_cx_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001747 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001748 .set_defaults = _plla1_set_defaults,
1749 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1750};
1751
1752static struct div_nmp plla_nmp = {
1753 .divm_shift = 0,
1754 .divm_width = 8,
1755 .divn_shift = 8,
1756 .divn_width = 8,
1757 .divp_shift = 20,
1758 .divp_width = 5,
1759};
1760
1761static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
1762 { 12000000, 282240000, 47, 1, 1, 1, 0xf148 }, /* actual: 282240234 */
1763 { 12000000, 368640000, 61, 1, 1, 1, 0xfe15 }, /* actual: 368640381 */
1764 { 12000000, 240000000, 60, 1, 2, 1, 0 },
1765 { 13000000, 282240000, 43, 1, 1, 1, 0xfd7d }, /* actual: 282239807 */
1766 { 13000000, 368640000, 56, 1, 1, 1, 0x06d8 }, /* actual: 368640137 */
1767 { 13000000, 240000000, 55, 1, 2, 1, 0 }, /* actual: 238.3 MHz */
1768 { 38400000, 282240000, 44, 3, 1, 1, 0xf333 }, /* actual: 282239844 */
1769 { 38400000, 368640000, 57, 3, 1, 1, 0x0333 }, /* actual: 368639844 */
1770 { 38400000, 240000000, 75, 3, 3, 1, 0 },
1771 { 0, 0, 0, 0, 0, 0, 0 },
1772};
1773
1774static struct tegra_clk_pll_params pll_a_params = {
1775 .input_min = 12000000,
1776 .input_max = 800000000,
1777 .cf_min = 12000000,
1778 .cf_max = 19200000,
1779 .vco_min = 500000000,
1780 .vco_max = 1000000000,
1781 .base_reg = PLLA_BASE,
1782 .misc_reg = PLLA_MISC0,
1783 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001784 .lock_delay = 300,
1785 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1786 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1787 .iddq_reg = PLLA_BASE,
1788 .iddq_bit_idx = PLLA_IDDQ_BIT,
1789 .div_nmp = &plla_nmp,
1790 .sdm_din_reg = PLLA_MISC1,
1791 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1792 .sdm_ctrl_reg = PLLA_MISC2,
1793 .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK,
1794 .ext_misc_reg[0] = PLLA_MISC0,
1795 .ext_misc_reg[1] = PLLA_MISC1,
1796 .ext_misc_reg[2] = PLLA_MISC2,
1797 .freq_table = pll_a_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001798 .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001799 .set_defaults = tegra210_plla_set_defaults,
1800 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1801 .set_gain = tegra210_clk_pll_set_gain,
1802 .adjust_vco = tegra210_clk_adjust_vco_min,
1803};
1804
1805static struct div_nmp plld_nmp = {
1806 .divm_shift = 0,
1807 .divm_width = 8,
1808 .divn_shift = 11,
1809 .divn_width = 8,
1810 .divp_shift = 20,
1811 .divp_width = 3,
1812};
1813
1814static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
1815 { 12000000, 594000000, 99, 1, 1, 0, 0 },
1816 { 13000000, 594000000, 91, 1, 1, 0, 0xfc4f }, /* actual: 594000183 */
1817 { 38400000, 594000000, 30, 1, 1, 0, 0x0e00 },
1818 { 0, 0, 0, 0, 0, 0, 0 },
1819};
1820
1821static struct tegra_clk_pll_params pll_d_params = {
1822 .input_min = 12000000,
1823 .input_max = 800000000,
1824 .cf_min = 12000000,
1825 .cf_max = 38400000,
1826 .vco_min = 750000000,
1827 .vco_max = 1500000000,
1828 .base_reg = PLLD_BASE,
1829 .misc_reg = PLLD_MISC0,
1830 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001831 .lock_delay = 1000,
1832 .iddq_reg = PLLD_MISC0,
1833 .iddq_bit_idx = PLLD_IDDQ_BIT,
1834 .round_p_to_pdiv = pll_expo_p_to_pdiv,
1835 .pdiv_tohw = pll_expo_pdiv_to_hw,
1836 .div_nmp = &plld_nmp,
1837 .sdm_din_reg = PLLD_MISC0,
1838 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1839 .sdm_ctrl_reg = PLLD_MISC0,
1840 .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK,
1841 .ext_misc_reg[0] = PLLD_MISC0,
1842 .ext_misc_reg[1] = PLLD_MISC1,
1843 .freq_table = pll_d_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001844 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001845 .mdiv_default = 1,
1846 .set_defaults = tegra210_plld_set_defaults,
1847 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1848 .set_gain = tegra210_clk_pll_set_gain,
1849 .adjust_vco = tegra210_clk_adjust_vco_min,
1850};
1851
1852static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = {
1853 { 12000000, 594000000, 99, 1, 1, 0, 0xf000 },
1854 { 13000000, 594000000, 91, 1, 1, 0, 0xfc4f }, /* actual: 594000183 */
1855 { 38400000, 594000000, 30, 1, 1, 0, 0x0e00 },
1856 { 0, 0, 0, 0, 0, 0, 0 },
1857};
1858
1859/* s/w policy, always tegra_pll_ref */
1860static struct tegra_clk_pll_params pll_d2_params = {
1861 .input_min = 12000000,
1862 .input_max = 800000000,
1863 .cf_min = 12000000,
1864 .cf_max = 38400000,
1865 .vco_min = 750000000,
1866 .vco_max = 1500000000,
1867 .base_reg = PLLD2_BASE,
1868 .misc_reg = PLLD2_MISC0,
1869 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001870 .lock_delay = 300,
1871 .iddq_reg = PLLD2_BASE,
1872 .iddq_bit_idx = PLLSS_IDDQ_BIT,
1873 .sdm_din_reg = PLLD2_MISC3,
1874 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1875 .sdm_ctrl_reg = PLLD2_MISC1,
1876 .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK,
1877 .ssc_ctrl_reg = PLLD2_MISC1,
1878 .ssc_ctrl_en_mask = PLLD2_SSC_EN_MASK,
1879 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1880 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1881 .div_nmp = &pllss_nmp,
1882 .ext_misc_reg[0] = PLLD2_MISC0,
1883 .ext_misc_reg[1] = PLLD2_MISC1,
1884 .ext_misc_reg[2] = PLLD2_MISC2,
1885 .ext_misc_reg[3] = PLLD2_MISC3,
1886 .max_p = PLL_QLIN_PDIV_MAX,
1887 .mdiv_default = 1,
1888 .freq_table = tegra210_pll_d2_freq_table,
1889 .set_defaults = tegra210_plld2_set_defaults,
Rhyland Klein14050112016-01-14 14:24:31 -05001890 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001891 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1892 .set_gain = tegra210_clk_pll_set_gain,
1893 .adjust_vco = tegra210_clk_adjust_vco_min,
1894};
1895
1896static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = {
1897 { 12000000, 270000000, 90, 1, 3, 0, 0xf000 },
1898 { 13000000, 270000000, 83, 1, 3, 0, 0xf000 }, /* actual: 269.8 MHz */
1899 { 38400000, 270000000, 28, 1, 3, 0, 0xf400 },
1900 { 0, 0, 0, 0, 0, 0, 0 },
1901};
1902
1903static struct tegra_clk_pll_params pll_dp_params = {
1904 .input_min = 12000000,
1905 .input_max = 800000000,
1906 .cf_min = 12000000,
1907 .cf_max = 38400000,
1908 .vco_min = 750000000,
1909 .vco_max = 1500000000,
1910 .base_reg = PLLDP_BASE,
1911 .misc_reg = PLLDP_MISC,
1912 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001913 .lock_delay = 300,
1914 .iddq_reg = PLLDP_BASE,
1915 .iddq_bit_idx = PLLSS_IDDQ_BIT,
1916 .sdm_din_reg = PLLDP_SS_CTRL2,
1917 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1918 .sdm_ctrl_reg = PLLDP_SS_CFG,
1919 .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK,
1920 .ssc_ctrl_reg = PLLDP_SS_CFG,
1921 .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK,
1922 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1923 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1924 .div_nmp = &pllss_nmp,
1925 .ext_misc_reg[0] = PLLDP_MISC,
1926 .ext_misc_reg[1] = PLLDP_SS_CFG,
1927 .ext_misc_reg[2] = PLLDP_SS_CTRL1,
1928 .ext_misc_reg[3] = PLLDP_SS_CTRL2,
1929 .max_p = PLL_QLIN_PDIV_MAX,
1930 .mdiv_default = 1,
1931 .freq_table = pll_dp_freq_table,
1932 .set_defaults = tegra210_plldp_set_defaults,
Rhyland Klein14050112016-01-14 14:24:31 -05001933 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001934 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1935 .set_gain = tegra210_clk_pll_set_gain,
1936 .adjust_vco = tegra210_clk_adjust_vco_min,
1937};
1938
1939static struct div_nmp pllu_nmp = {
1940 .divm_shift = 0,
1941 .divm_width = 8,
1942 .divn_shift = 8,
1943 .divn_width = 8,
1944 .divp_shift = 16,
1945 .divp_width = 5,
1946};
1947
1948static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
1949 { 12000000, 480000000, 40, 1, 0, 0 },
1950 { 13000000, 480000000, 36, 1, 0, 0 }, /* actual: 468.0 MHz */
1951 { 38400000, 480000000, 25, 2, 0, 0 },
1952 { 0, 0, 0, 0, 0, 0 },
1953};
1954
1955static struct tegra_clk_pll_params pll_u_vco_params = {
1956 .input_min = 9600000,
1957 .input_max = 800000000,
1958 .cf_min = 9600000,
1959 .cf_max = 19200000,
1960 .vco_min = 350000000,
1961 .vco_max = 700000000,
1962 .base_reg = PLLU_BASE,
1963 .misc_reg = PLLU_MISC0,
1964 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001965 .lock_delay = 1000,
1966 .iddq_reg = PLLU_MISC0,
1967 .iddq_bit_idx = PLLU_IDDQ_BIT,
1968 .ext_misc_reg[0] = PLLU_MISC0,
1969 .ext_misc_reg[1] = PLLU_MISC1,
1970 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1971 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1972 .div_nmp = &pllu_nmp,
1973 .freq_table = pll_u_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001974 .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001975 .set_defaults = tegra210_pllu_set_defaults,
1976 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1977};
1978
1979struct utmi_clk_param {
1980 /* Oscillator Frequency in KHz */
1981 u32 osc_frequency;
1982 /* UTMIP PLL Enable Delay Count */
1983 u8 enable_delay_count;
1984 /* UTMIP PLL Stable count */
1985 u16 stable_count;
1986 /* UTMIP PLL Active delay count */
1987 u8 active_delay_count;
1988 /* UTMIP PLL Xtal frequency count */
1989 u16 xtal_freq_count;
1990};
1991
1992static const struct utmi_clk_param utmi_parameters[] = {
1993 {
1994 .osc_frequency = 38400000, .enable_delay_count = 0x0,
1995 .stable_count = 0x0, .active_delay_count = 0x6,
1996 .xtal_freq_count = 0x80
1997 }, {
1998 .osc_frequency = 13000000, .enable_delay_count = 0x02,
1999 .stable_count = 0x33, .active_delay_count = 0x05,
2000 .xtal_freq_count = 0x7f
2001 }, {
2002 .osc_frequency = 19200000, .enable_delay_count = 0x03,
2003 .stable_count = 0x4b, .active_delay_count = 0x06,
2004 .xtal_freq_count = 0xbb
2005 }, {
2006 .osc_frequency = 12000000, .enable_delay_count = 0x02,
2007 .stable_count = 0x2f, .active_delay_count = 0x08,
2008 .xtal_freq_count = 0x76
2009 }, {
2010 .osc_frequency = 26000000, .enable_delay_count = 0x04,
2011 .stable_count = 0x66, .active_delay_count = 0x09,
2012 .xtal_freq_count = 0xfe
2013 }, {
2014 .osc_frequency = 16800000, .enable_delay_count = 0x03,
2015 .stable_count = 0x41, .active_delay_count = 0x0a,
2016 .xtal_freq_count = 0xa4
2017 },
2018};
2019
2020static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
2021 [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true },
2022 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true },
2023 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true },
2024 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true },
2025 [tegra_clk_sdmmc2_9] = { .dt_id = TEGRA210_CLK_SDMMC2, .present = true },
2026 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true },
2027 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true },
2028 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true },
2029 [tegra_clk_sdmmc4_9] = { .dt_id = TEGRA210_CLK_SDMMC4, .present = true },
2030 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true },
2031 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true },
2032 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true },
2033 [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true },
2034 [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true },
2035 [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true },
2036 [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true },
2037 [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true },
2038 [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true },
2039 [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true },
2040 [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true },
2041 [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true },
2042 [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true },
2043 [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true },
2044 [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true },
2045 [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true },
2046 [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true },
2047 [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true },
2048 [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true },
2049 [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true },
2050 [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true },
2051 [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true },
2052 [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true },
2053 [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true },
2054 [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true },
2055 [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true },
2056 [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true },
2057 [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true },
2058 [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true },
2059 [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true },
2060 [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true },
2061 [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true },
2062 [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true },
2063 [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true },
2064 [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true },
2065 [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true },
2066 [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true },
2067 [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true },
2068 [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true },
2069 [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true },
2070 [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true },
2071 [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true },
2072 [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true },
2073 [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true },
2074 [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true },
2075 [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true },
2076 [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true },
2077 [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true },
2078 [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true },
2079 [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true },
2080 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true },
2081 [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true },
2082 [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true },
2083 [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true },
2084 [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true },
2085 [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true },
2086 [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true },
2087 [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true },
2088 [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true },
2089 [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true },
2090 [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true },
2091 [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true },
2092 [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true },
2093 [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true },
2094 [tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true },
2095 [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true },
2096 [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, },
2097 [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true },
2098 [tegra_clk_vfir] = { .dt_id = TEGRA210_CLK_VFIR, .present = true },
2099 [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true },
2100 [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true },
2101 [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true },
2102 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true },
2103 [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true },
2104 [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true },
2105 [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true },
2106 [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true },
2107 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true },
2108 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true },
2109 [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true },
2110 [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true },
2111 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true },
2112 [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true },
2113 [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true },
2114 [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true },
2115 [tegra_clk_pll_m_out1] = { .dt_id = TEGRA210_CLK_PLL_M_OUT1, .present = true },
2116 [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true },
2117 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true },
2118 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true },
2119 [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true },
2120 [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true },
2121 [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true },
2122 [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true },
2123 [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true },
2124 [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true },
2125 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true },
2126 [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true },
2127 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true },
2128 [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true },
2129 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true },
2130 [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true },
2131 [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true },
2132 [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true },
2133 [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true },
2134 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true },
2135 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true },
2136 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true },
2137 [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true },
2138 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true },
2139 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true },
2140 [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true },
2141 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true },
2142 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true },
2143 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true },
2144 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true },
2145 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true },
2146 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true },
2147 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true },
2148 [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true },
2149 [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true },
2150 [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true },
2151 [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true },
2152 [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true },
2153 [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true },
2154 [tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true },
2155 [tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true },
2156 [tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true },
2157 [tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true },
2158 [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true },
2159 [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true },
2160 [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true },
2161 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true },
2162 [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true },
2163 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true },
2164 [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true },
2165 [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true },
2166 [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true },
2167 [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true },
2168 [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true },
2169 [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true },
2170 [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true },
2171 [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true },
2172 [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true },
2173 [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true },
2174 [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true },
2175 [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true },
2176 [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true },
2177 [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true },
2178 [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true },
2179 [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true },
2180 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true },
2181 [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true },
2182 [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true },
2183 [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true },
2184 [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true },
2185 [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true },
2186 [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true },
2187 [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true },
2188 [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true },
2189 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true },
2190 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true },
2191 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true },
2192 [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true },
2193 [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true },
2194 [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true },
2195 [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true },
2196 [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true },
2197 [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true },
2198 [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true },
2199 [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true },
2200 [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true },
2201 [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true },
2202 [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true },
2203 [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true },
2204 [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true },
2205 [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true },
2206 [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true },
2207 [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true },
Jon Hunter29569942016-01-28 16:33:50 +00002208 [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true },
Rhyland Klein6b301a02015-06-18 17:28:36 -04002209};
2210
2211static struct tegra_devclk devclks[] __initdata = {
2212 { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M },
2213 { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF },
2214 { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K },
2215 { .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 },
2216 { .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 },
2217 { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C },
2218 { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 },
2219 { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 },
2220 { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 },
2221 { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P },
2222 { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 },
2223 { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 },
2224 { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 },
2225 { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 },
2226 { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M },
2227 { .con_id = "pll_m_out1", .dt_id = TEGRA210_CLK_PLL_M_OUT1 },
2228 { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X },
2229 { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 },
2230 { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U },
2231 { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT },
2232 { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 },
2233 { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 },
2234 { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M },
2235 { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M },
2236 { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M },
2237 { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D },
2238 { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 },
2239 { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 },
2240 { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 },
2241 { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A },
2242 { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 },
2243 { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO },
2244 { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT },
2245 { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC },
2246 { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC },
2247 { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC },
2248 { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC },
2249 { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC },
2250 { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC },
2251 { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC },
2252 { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 },
2253 { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 },
2254 { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 },
2255 { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 },
2256 { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 },
2257 { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF },
2258 { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X },
2259 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 },
2260 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 },
2261 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 },
2262 { .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK },
2263 { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G },
2264 { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP },
2265 { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK },
2266 { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK },
2267 { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK },
2268 { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE },
2269 { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC },
2270 { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER },
2271 { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 },
2272 { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 },
2273 { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 },
2274 { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 },
2275 { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX },
2276 { .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 },
2277};
2278
2279static struct tegra_audio_clk_info tegra210_audio_plls[] = {
2280 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" },
2281 { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" },
2282};
2283
2284static struct clk **clks;
2285
2286static void tegra210_utmi_param_configure(void __iomem *clk_base)
2287{
2288 u32 reg;
2289 int i;
2290
2291 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
2292 if (osc_freq == utmi_parameters[i].osc_frequency)
2293 break;
2294 }
2295
2296 if (i >= ARRAY_SIZE(utmi_parameters)) {
2297 pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
2298 osc_freq);
2299 return;
2300 }
2301
2302 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2303 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE |
2304 PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT |
2305 PLLU_HW_PWRDN_CFG0_USE_LOCKDET;
2306 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL |
2307 PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL);
2308 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2309
2310 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2311 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE;
2312 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2313 udelay(1);
2314
2315 reg = readl_relaxed(clk_base + PLLU_BASE);
2316 reg &= ~PLLU_BASE_CLKENABLE_USB;
2317 writel_relaxed(reg, clk_base + PLLU_BASE);
2318
2319 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2320 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2321 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2322
2323 udelay(10);
2324
2325 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2326
2327 /* Program UTMIP PLL stable and active counts */
2328 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
2329 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
2330 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
2331
2332 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
2333
2334 reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].
2335 active_delay_count);
2336 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2337
2338 /* Program UTMIP PLL delay and oscillator frequency counts */
2339 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2340 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
2341
2342 reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].
2343 enable_delay_count);
2344
2345 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
2346 reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].
2347 xtal_freq_count);
2348
2349 reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
2350 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2351
2352 /* Remove power downs from UTMIP PLL control bits */
2353 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2354 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2355 reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2356 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2357 udelay(1);
2358
2359 /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
2360 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2361 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP;
2362 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP;
2363 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP;
2364 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
2365 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
2366 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN;
2367 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2368
2369 /* Setup HW control of UTMIPLL */
2370 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2371 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2372 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2373 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2374
2375 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2376 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
2377 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
2378 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2379
2380 udelay(1);
2381
2382 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2383 reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY;
2384 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2385
2386 udelay(1);
2387
2388 /* Enable HW control UTMIPLL */
2389 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2390 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
2391 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2392}
2393
2394static __init void tegra210_periph_clk_init(void __iomem *clk_base,
2395 void __iomem *pmc_base)
2396{
2397 struct clk *clk;
2398
2399 /* xusb_ss_div2 */
2400 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
2401 1, 2);
2402 clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk;
2403
2404 /* pll_d_dsi_out */
2405 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
2406 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock);
2407 clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk;
2408
2409 /* dsia */
2410 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
2411 clk_base, 0, 48,
2412 periph_clk_enb_refcnt);
2413 clks[TEGRA210_CLK_DSIA] = clk;
2414
2415 /* dsib */
2416 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
2417 clk_base, 0, 82,
2418 periph_clk_enb_refcnt);
2419 clks[TEGRA210_CLK_DSIB] = clk;
2420
2421 /* emc mux */
2422 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
2423 ARRAY_SIZE(mux_pllmcp_clkm), 0,
2424 clk_base + CLK_SOURCE_EMC,
2425 29, 3, 0, &emc_lock);
2426
2427 clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC,
2428 &emc_lock);
2429 clks[TEGRA210_CLK_MC] = clk;
2430
2431 /* cml0 */
2432 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
2433 0, 0, &pll_e_lock);
2434 clk_register_clkdev(clk, "cml0", NULL);
2435 clks[TEGRA210_CLK_CML0] = clk;
2436
2437 /* cml1 */
2438 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
2439 1, 0, &pll_e_lock);
2440 clk_register_clkdev(clk, "cml1", NULL);
2441 clks[TEGRA210_CLK_CML1] = clk;
2442
2443 tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params);
2444}
2445
2446static void __init tegra210_pll_init(void __iomem *clk_base,
2447 void __iomem *pmc)
2448{
2449 u32 val;
2450 struct clk *clk;
2451
2452 /* PLLC */
2453 clk = tegra_clk_register_pllxc_tegra210("pll_c", "pll_ref", clk_base,
2454 pmc, 0, &pll_c_params, NULL);
2455 if (!WARN_ON(IS_ERR(clk)))
2456 clk_register_clkdev(clk, "pll_c", NULL);
2457 clks[TEGRA210_CLK_PLL_C] = clk;
2458
2459 /* PLLC_OUT1 */
2460 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
2461 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
2462 8, 8, 1, NULL);
2463 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
2464 clk_base + PLLC_OUT, 1, 0,
2465 CLK_SET_RATE_PARENT, 0, NULL);
2466 clk_register_clkdev(clk, "pll_c_out1", NULL);
2467 clks[TEGRA210_CLK_PLL_C_OUT1] = clk;
2468
2469 /* PLLC_UD */
2470 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c",
2471 CLK_SET_RATE_PARENT, 1, 1);
2472 clk_register_clkdev(clk, "pll_c_ud", NULL);
2473 clks[TEGRA210_CLK_PLL_C_UD] = clk;
2474
2475 /* PLLC2 */
2476 clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base,
2477 pmc, 0, &pll_c2_params, NULL);
2478 clk_register_clkdev(clk, "pll_c2", NULL);
2479 clks[TEGRA210_CLK_PLL_C2] = clk;
2480
2481 /* PLLC3 */
2482 clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base,
2483 pmc, 0, &pll_c3_params, NULL);
2484 clk_register_clkdev(clk, "pll_c3", NULL);
2485 clks[TEGRA210_CLK_PLL_C3] = clk;
2486
2487 /* PLLM */
2488 clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc,
2489 CLK_SET_RATE_GATE, &pll_m_params, NULL);
2490 clk_register_clkdev(clk, "pll_m", NULL);
2491 clks[TEGRA210_CLK_PLL_M] = clk;
2492
2493 /* PLLMB */
2494 clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc,
2495 CLK_SET_RATE_GATE, &pll_mb_params, NULL);
2496 clk_register_clkdev(clk, "pll_mb", NULL);
2497 clks[TEGRA210_CLK_PLL_MB] = clk;
2498
2499 clk_register_clkdev(clk, "pll_m_out1", NULL);
2500 clks[TEGRA210_CLK_PLL_M_OUT1] = clk;
2501
2502 /* PLLM_UD */
2503 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
2504 CLK_SET_RATE_PARENT, 1, 1);
2505 clk_register_clkdev(clk, "pll_m_ud", NULL);
2506 clks[TEGRA210_CLK_PLL_M_UD] = clk;
2507
2508 /* PLLU_VCO */
2509 val = readl(clk_base + pll_u_vco_params.base_reg);
Jon Hunter2d5b6cf82015-12-21 12:56:32 +00002510 val &= ~PLLU_BASE_OVERRIDE; /* disable PLLU_OVERRIDE */
Rhyland Klein6b301a02015-06-18 17:28:36 -04002511 writel(val, clk_base + pll_u_vco_params.base_reg);
2512
2513 clk = tegra_clk_register_pllre("pll_u_vco", "pll_ref", clk_base, pmc,
2514 0, &pll_u_vco_params, &pll_u_lock, pll_ref_freq);
2515 clk_register_clkdev(clk, "pll_u_vco", NULL);
2516 clks[TEGRA210_CLK_PLL_U] = clk;
2517
2518 /* PLLU_OUT */
2519 clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0,
2520 clk_base + PLLU_BASE, 16, 4, 0,
2521 pll_vco_post_div_table, NULL);
2522 clk_register_clkdev(clk, "pll_u_out", NULL);
2523 clks[TEGRA210_CLK_PLL_U_OUT] = clk;
2524
2525 /* PLLU_OUT1 */
2526 clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out",
2527 clk_base + PLLU_OUTA, 0,
2528 TEGRA_DIVIDER_ROUND_UP,
2529 8, 8, 1, &pll_u_lock);
2530 clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div",
2531 clk_base + PLLU_OUTA, 1, 0,
2532 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
2533 clk_register_clkdev(clk, "pll_u_out1", NULL);
2534 clks[TEGRA210_CLK_PLL_U_OUT1] = clk;
2535
2536 /* PLLU_OUT2 */
2537 clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out",
2538 clk_base + PLLU_OUTA, 0,
2539 TEGRA_DIVIDER_ROUND_UP,
2540 24, 8, 1, &pll_u_lock);
2541 clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div",
2542 clk_base + PLLU_OUTA, 17, 16,
2543 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
2544 clk_register_clkdev(clk, "pll_u_out2", NULL);
2545 clks[TEGRA210_CLK_PLL_U_OUT2] = clk;
2546
2547 tegra210_utmi_param_configure(clk_base);
2548
2549 /* PLLU_480M */
2550 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco",
2551 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2552 22, 0, &pll_u_lock);
2553 clk_register_clkdev(clk, "pll_u_480M", NULL);
2554 clks[TEGRA210_CLK_PLL_U_480M] = clk;
2555
2556 /* PLLU_60M */
2557 clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2",
2558 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2559 23, 0, NULL);
2560 clk_register_clkdev(clk, "pll_u_60M", NULL);
2561 clks[TEGRA210_CLK_PLL_U_60M] = clk;
2562
2563 /* PLLU_48M */
2564 clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1",
2565 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2566 25, 0, NULL);
2567 clk_register_clkdev(clk, "pll_u_48M", NULL);
2568 clks[TEGRA210_CLK_PLL_U_48M] = clk;
2569
2570 /* PLLD */
2571 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
2572 &pll_d_params, &pll_d_lock);
2573 clk_register_clkdev(clk, "pll_d", NULL);
2574 clks[TEGRA210_CLK_PLL_D] = clk;
2575
2576 /* PLLD_OUT0 */
2577 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
2578 CLK_SET_RATE_PARENT, 1, 2);
2579 clk_register_clkdev(clk, "pll_d_out0", NULL);
2580 clks[TEGRA210_CLK_PLL_D_OUT0] = clk;
2581
2582 /* PLLRE */
2583 clk = tegra_clk_register_pllre("pll_re_vco", "pll_ref", clk_base, pmc,
2584 0, &pll_re_vco_params, &pll_re_lock, pll_ref_freq);
2585 clk_register_clkdev(clk, "pll_re_vco", NULL);
2586 clks[TEGRA210_CLK_PLL_RE_VCO] = clk;
2587
2588 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
2589 clk_base + PLLRE_BASE, 16, 5, 0,
2590 pll_vco_post_div_table, &pll_re_lock);
2591 clk_register_clkdev(clk, "pll_re_out", NULL);
2592 clks[TEGRA210_CLK_PLL_RE_OUT] = clk;
2593
2594 /* PLLE */
2595 clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref",
2596 clk_base, 0, &pll_e_params, NULL);
2597 clk_register_clkdev(clk, "pll_e", NULL);
2598 clks[TEGRA210_CLK_PLL_E] = clk;
2599
2600 /* PLLC4 */
2601 clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc,
2602 0, &pll_c4_vco_params, NULL, pll_ref_freq);
2603 clk_register_clkdev(clk, "pll_c4_vco", NULL);
2604 clks[TEGRA210_CLK_PLL_C4] = clk;
2605
2606 /* PLLC4_OUT0 */
2607 clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0,
2608 clk_base + PLLC4_BASE, 19, 4, 0,
2609 pll_vco_post_div_table, NULL);
2610 clk_register_clkdev(clk, "pll_c4_out0", NULL);
2611 clks[TEGRA210_CLK_PLL_C4_OUT0] = clk;
2612
2613 /* PLLC4_OUT1 */
2614 clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco",
2615 CLK_SET_RATE_PARENT, 1, 3);
2616 clk_register_clkdev(clk, "pll_c4_out1", NULL);
2617 clks[TEGRA210_CLK_PLL_C4_OUT1] = clk;
2618
2619 /* PLLC4_OUT2 */
2620 clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco",
2621 CLK_SET_RATE_PARENT, 1, 5);
2622 clk_register_clkdev(clk, "pll_c4_out2", NULL);
2623 clks[TEGRA210_CLK_PLL_C4_OUT2] = clk;
2624
2625 /* PLLC4_OUT3 */
2626 clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0",
2627 clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
2628 8, 8, 1, NULL);
2629 clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div",
2630 clk_base + PLLC4_OUT, 1, 0,
2631 CLK_SET_RATE_PARENT, 0, NULL);
2632 clk_register_clkdev(clk, "pll_c4_out3", NULL);
2633 clks[TEGRA210_CLK_PLL_C4_OUT3] = clk;
2634
2635 /* PLLDP */
2636 clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base,
2637 0, &pll_dp_params, NULL);
2638 clk_register_clkdev(clk, "pll_dp", NULL);
2639 clks[TEGRA210_CLK_PLL_DP] = clk;
2640
2641 /* PLLD2 */
2642 clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base,
2643 0, &pll_d2_params, NULL);
2644 clk_register_clkdev(clk, "pll_d2", NULL);
2645 clks[TEGRA210_CLK_PLL_D2] = clk;
2646
2647 /* PLLD2_OUT0 */
2648 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
2649 CLK_SET_RATE_PARENT, 1, 1);
2650 clk_register_clkdev(clk, "pll_d2_out0", NULL);
2651 clks[TEGRA210_CLK_PLL_D2_OUT0] = clk;
2652
2653 /* PLLP_OUT2 */
2654 clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p",
2655 CLK_SET_RATE_PARENT, 1, 2);
2656 clk_register_clkdev(clk, "pll_p_out2", NULL);
2657 clks[TEGRA210_CLK_PLL_P_OUT2] = clk;
2658
2659}
2660
2661/* Tegra210 CPU clock and reset control functions */
2662static void tegra210_wait_cpu_in_reset(u32 cpu)
2663{
2664 unsigned int reg;
2665
2666 do {
2667 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
2668 cpu_relax();
2669 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
2670}
2671
2672static void tegra210_disable_cpu_clock(u32 cpu)
2673{
2674 /* flow controller would take care in the power sequence. */
2675}
2676
2677#ifdef CONFIG_PM_SLEEP
2678static void tegra210_cpu_clock_suspend(void)
2679{
2680 /* switch coresite to clk_m, save off original source */
2681 tegra210_cpu_clk_sctx.clk_csite_src =
2682 readl(clk_base + CLK_SOURCE_CSITE);
2683 writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
2684}
2685
2686static void tegra210_cpu_clock_resume(void)
2687{
2688 writel(tegra210_cpu_clk_sctx.clk_csite_src,
2689 clk_base + CLK_SOURCE_CSITE);
2690}
2691#endif
2692
2693static struct tegra_cpu_car_ops tegra210_cpu_car_ops = {
2694 .wait_for_reset = tegra210_wait_cpu_in_reset,
2695 .disable_clock = tegra210_disable_cpu_clock,
2696#ifdef CONFIG_PM_SLEEP
2697 .suspend = tegra210_cpu_clock_suspend,
2698 .resume = tegra210_cpu_clock_resume,
2699#endif
2700};
2701
2702static const struct of_device_id pmc_match[] __initconst = {
2703 { .compatible = "nvidia,tegra210-pmc" },
2704 { },
2705};
2706
2707static struct tegra_clk_init_table init_table[] __initdata = {
2708 { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 },
2709 { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 },
2710 { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 },
2711 { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 },
2712 { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 },
2713 { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 },
2714 { TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 },
2715 { TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 },
2716 { TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 },
2717 { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2718 { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2719 { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2720 { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2721 { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2722 { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 },
2723 { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 },
2724 { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 1 },
2725 { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 },
2726 { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 },
2727 { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 },
2728 { TEGRA210_CLK_PLL_RE_VCO, TEGRA210_CLK_CLK_MAX, 672000000, 1 },
Rhyland Klein6b301a02015-06-18 17:28:36 -04002729 { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 },
2730 { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 },
2731 { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 },
2732 { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
2733 { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
2734 { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 },
2735 { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
2736 { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
2737 { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 },
2738 { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 },
2739 { TEGRA210_CLK_EMC, TEGRA210_CLK_CLK_MAX, 0, 1 },
2740 { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 },
2741 { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 },
2742 { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 },
2743 { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 },
2744 { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 },
2745 { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 },
2746 { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 },
2747 { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 },
2748 { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 },
2749 { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 },
2750 { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 },
2751 { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 },
2752 /* This MUST be the last entry. */
2753 { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 },
2754};
2755
2756/**
2757 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs
2758 *
2759 * Program an initial clock rate and enable or disable clocks needed
2760 * by the rest of the kernel, for Tegra210 SoCs. It is intended to be
2761 * called by assigning a pointer to it to tegra_clk_apply_init_table -
2762 * this will be called as an arch_initcall. No return value.
2763 */
2764static void __init tegra210_clock_apply_init_table(void)
2765{
2766 tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX);
2767}
2768
2769/**
2770 * tegra210_clock_init - Tegra210-specific clock initialization
2771 * @np: struct device_node * of the DT node for the SoC CAR IP block
2772 *
2773 * Register most SoC clocks for the Tegra210 system-on-chip. Intended
2774 * to be called by the OF init code when a DT node with the
2775 * "nvidia,tegra210-car" string is encountered, and declared with
2776 * CLK_OF_DECLARE. No return value.
2777 */
2778static void __init tegra210_clock_init(struct device_node *np)
2779{
2780 struct device_node *node;
2781 u32 value, clk_m_div;
2782
2783 clk_base = of_iomap(np, 0);
2784 if (!clk_base) {
2785 pr_err("ioremap tegra210 CAR failed\n");
2786 return;
2787 }
2788
2789 node = of_find_matching_node(NULL, pmc_match);
2790 if (!node) {
2791 pr_err("Failed to find pmc node\n");
2792 WARN_ON(1);
2793 return;
2794 }
2795
2796 pmc_base = of_iomap(node, 0);
2797 if (!pmc_base) {
2798 pr_err("Can't map pmc registers\n");
2799 WARN_ON(1);
2800 return;
2801 }
2802
2803 clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX,
2804 TEGRA210_CAR_BANK_COUNT);
2805 if (!clks)
2806 return;
2807
2808 value = clk_readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT;
2809 clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1;
2810
2811 if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq,
2812 ARRAY_SIZE(tegra210_input_freq), clk_m_div,
2813 &osc_freq, &pll_ref_freq) < 0)
2814 return;
2815
2816 tegra_fixed_clk_init(tegra210_clks);
2817 tegra210_pll_init(clk_base, pmc_base);
2818 tegra210_periph_clk_init(clk_base, pmc_base);
2819 tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks,
2820 tegra210_audio_plls,
2821 ARRAY_SIZE(tegra210_audio_plls));
2822 tegra_pmc_clk_init(pmc_base, tegra210_clks);
2823
2824 /* For Tegra210, PLLD is the only source for DSIA & DSIB */
2825 value = clk_readl(clk_base + PLLD_BASE);
2826 value &= ~BIT(25);
2827 clk_writel(value, clk_base + PLLD_BASE);
2828
2829 tegra_clk_apply_init_table = tegra210_clock_apply_init_table;
2830
2831 tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks,
2832 &pll_x_params);
2833 tegra_add_of_provider(np);
2834 tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
2835
2836 tegra_cpu_car_ops = &tegra210_cpu_car_ops;
2837}
2838CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init);