blob: 14c1841eb29bdaa34b73e8330d72585d639990a2 [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[] = {
246 "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_c2", "pll_c3",
247};
248#define mux_pllmcp_clkm_idx NULL
249
250#define PLL_ENABLE (1 << 30)
251
252#define PLLCX_MISC1_IDDQ (1 << 27)
253#define PLLCX_MISC0_RESET (1 << 30)
254
255#define PLLCX_MISC0_DEFAULT_VALUE 0x40080000
256#define PLLCX_MISC0_WRITE_MASK 0x400ffffb
257#define PLLCX_MISC1_DEFAULT_VALUE 0x08000000
258#define PLLCX_MISC1_WRITE_MASK 0x08003cff
259#define PLLCX_MISC2_DEFAULT_VALUE 0x1f720f05
260#define PLLCX_MISC2_WRITE_MASK 0xffffff17
261#define PLLCX_MISC3_DEFAULT_VALUE 0x000000c4
262#define PLLCX_MISC3_WRITE_MASK 0x00ffffff
263
264/* PLLA */
265#define PLLA_BASE_IDDQ (1 << 25)
266#define PLLA_BASE_LOCK (1 << 27)
267
268#define PLLA_MISC0_LOCK_ENABLE (1 << 28)
269#define PLLA_MISC0_LOCK_OVERRIDE (1 << 27)
270
271#define PLLA_MISC2_EN_SDM (1 << 26)
272#define PLLA_MISC2_EN_DYNRAMP (1 << 25)
273
274#define PLLA_MISC0_DEFAULT_VALUE 0x12000020
275#define PLLA_MISC0_WRITE_MASK 0x7fffffff
276#define PLLA_MISC2_DEFAULT_VALUE 0x0
277#define PLLA_MISC2_WRITE_MASK 0x06ffffff
278
279/* PLLD */
280#define PLLD_MISC0_EN_SDM (1 << 16)
281#define PLLD_MISC0_LOCK_OVERRIDE (1 << 17)
282#define PLLD_MISC0_LOCK_ENABLE (1 << 18)
283#define PLLD_MISC0_IDDQ (1 << 20)
284#define PLLD_MISC0_DSI_CLKENABLE (1 << 21)
285
286#define PLLD_MISC0_DEFAULT_VALUE 0x00140000
287#define PLLD_MISC0_WRITE_MASK 0x3ff7ffff
288#define PLLD_MISC1_DEFAULT_VALUE 0x20
289#define PLLD_MISC1_WRITE_MASK 0x00ffffff
290
291/* PLLD2 and PLLDP and PLLC4 */
292#define PLLDSS_BASE_LOCK (1 << 27)
293#define PLLDSS_BASE_LOCK_OVERRIDE (1 << 24)
294#define PLLDSS_BASE_IDDQ (1 << 18)
295#define PLLDSS_BASE_REF_SEL_SHIFT 25
296#define PLLDSS_BASE_REF_SEL_MASK (0x3 << PLLDSS_BASE_REF_SEL_SHIFT)
297
298#define PLLDSS_MISC0_LOCK_ENABLE (1 << 30)
299
300#define PLLDSS_MISC1_CFG_EN_SDM (1 << 31)
301#define PLLDSS_MISC1_CFG_EN_SSC (1 << 30)
302
303#define PLLD2_MISC0_DEFAULT_VALUE 0x40000020
304#define PLLD2_MISC1_CFG_DEFAULT_VALUE 0x10000000
305#define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0
306#define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0
307
308#define PLLDP_MISC0_DEFAULT_VALUE 0x40000020
309#define PLLDP_MISC1_CFG_DEFAULT_VALUE 0xc0000000
310#define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da
311#define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400
312
313#define PLLDSS_MISC0_WRITE_MASK 0x47ffffff
314#define PLLDSS_MISC1_CFG_WRITE_MASK 0xf8000000
315#define PLLDSS_MISC2_CTRL1_WRITE_MASK 0xffffffff
316#define PLLDSS_MISC3_CTRL2_WRITE_MASK 0xffffffff
317
318#define PLLC4_MISC0_DEFAULT_VALUE 0x40000000
319
320/* PLLRE */
321#define PLLRE_MISC0_LOCK_ENABLE (1 << 30)
322#define PLLRE_MISC0_LOCK_OVERRIDE (1 << 29)
323#define PLLRE_MISC0_LOCK (1 << 27)
324#define PLLRE_MISC0_IDDQ (1 << 24)
325
326#define PLLRE_BASE_DEFAULT_VALUE 0x0
327#define PLLRE_MISC0_DEFAULT_VALUE 0x41000000
328
329#define PLLRE_BASE_DEFAULT_MASK 0x1c000000
330#define PLLRE_MISC0_WRITE_MASK 0x67ffffff
331
332/* PLLX */
333#define PLLX_USE_DYN_RAMP 1
334#define PLLX_BASE_LOCK (1 << 27)
335
336#define PLLX_MISC0_FO_G_DISABLE (0x1 << 28)
337#define PLLX_MISC0_LOCK_ENABLE (0x1 << 18)
338
339#define PLLX_MISC2_DYNRAMP_STEPB_SHIFT 24
340#define PLLX_MISC2_DYNRAMP_STEPB_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT)
341#define PLLX_MISC2_DYNRAMP_STEPA_SHIFT 16
342#define PLLX_MISC2_DYNRAMP_STEPA_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT)
343#define PLLX_MISC2_NDIV_NEW_SHIFT 8
344#define PLLX_MISC2_NDIV_NEW_MASK (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT)
345#define PLLX_MISC2_LOCK_OVERRIDE (0x1 << 4)
346#define PLLX_MISC2_DYNRAMP_DONE (0x1 << 2)
347#define PLLX_MISC2_EN_DYNRAMP (0x1 << 0)
348
349#define PLLX_MISC3_IDDQ (0x1 << 3)
350
351#define PLLX_MISC0_DEFAULT_VALUE PLLX_MISC0_LOCK_ENABLE
352#define PLLX_MISC0_WRITE_MASK 0x10c40000
353#define PLLX_MISC1_DEFAULT_VALUE 0x20
354#define PLLX_MISC1_WRITE_MASK 0x00ffffff
355#define PLLX_MISC2_DEFAULT_VALUE 0x0
356#define PLLX_MISC2_WRITE_MASK 0xffffff11
357#define PLLX_MISC3_DEFAULT_VALUE PLLX_MISC3_IDDQ
358#define PLLX_MISC3_WRITE_MASK 0x01ff0f0f
359#define PLLX_MISC4_DEFAULT_VALUE 0x0
360#define PLLX_MISC4_WRITE_MASK 0x8000ffff
361#define PLLX_MISC5_DEFAULT_VALUE 0x0
362#define PLLX_MISC5_WRITE_MASK 0x0000ffff
363
364#define PLLX_HW_CTRL_CFG 0x548
365#define PLLX_HW_CTRL_CFG_SWCTRL (0x1 << 0)
366
367/* PLLMB */
368#define PLLMB_BASE_LOCK (1 << 27)
369
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500370#define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18)
371#define PLLMB_MISC1_IDDQ (1 << 17)
372#define PLLMB_MISC1_LOCK_ENABLE (1 << 16)
Rhyland Klein6b301a02015-06-18 17:28:36 -0400373
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500374#define PLLMB_MISC1_DEFAULT_VALUE 0x00030000
375#define PLLMB_MISC1_WRITE_MASK 0x0007ffff
Rhyland Klein6b301a02015-06-18 17:28:36 -0400376
377/* PLLP */
378#define PLLP_BASE_OVERRIDE (1 << 28)
379#define PLLP_BASE_LOCK (1 << 27)
380
381#define PLLP_MISC0_LOCK_ENABLE (1 << 18)
382#define PLLP_MISC0_LOCK_OVERRIDE (1 << 17)
383#define PLLP_MISC0_IDDQ (1 << 3)
384
385#define PLLP_MISC1_HSIO_EN_SHIFT 29
386#define PLLP_MISC1_HSIO_EN (1 << PLLP_MISC1_HSIO_EN_SHIFT)
387#define PLLP_MISC1_XUSB_EN_SHIFT 28
388#define PLLP_MISC1_XUSB_EN (1 << PLLP_MISC1_XUSB_EN_SHIFT)
389
390#define PLLP_MISC0_DEFAULT_VALUE 0x00040008
391#define PLLP_MISC1_DEFAULT_VALUE 0x0
392
393#define PLLP_MISC0_WRITE_MASK 0xdc6000f
394#define PLLP_MISC1_WRITE_MASK 0x70ffffff
395
396/* PLLU */
397#define PLLU_BASE_LOCK (1 << 27)
398#define PLLU_BASE_OVERRIDE (1 << 24)
399#define PLLU_BASE_CLKENABLE_USB (1 << 21)
400#define PLLU_BASE_CLKENABLE_HSIC (1 << 22)
401#define PLLU_BASE_CLKENABLE_ICUSB (1 << 23)
402#define PLLU_BASE_CLKENABLE_48M (1 << 25)
403#define PLLU_BASE_CLKENABLE_ALL (PLLU_BASE_CLKENABLE_USB |\
404 PLLU_BASE_CLKENABLE_HSIC |\
405 PLLU_BASE_CLKENABLE_ICUSB |\
406 PLLU_BASE_CLKENABLE_48M)
407
408#define PLLU_MISC0_IDDQ (1 << 31)
409#define PLLU_MISC0_LOCK_ENABLE (1 << 29)
410#define PLLU_MISC1_LOCK_OVERRIDE (1 << 0)
411
412#define PLLU_MISC0_DEFAULT_VALUE 0xa0000000
413#define PLLU_MISC1_DEFAULT_VALUE 0x0
414
415#define PLLU_MISC0_WRITE_MASK 0xbfffffff
416#define PLLU_MISC1_WRITE_MASK 0x00000007
417
418static inline void _pll_misc_chk_default(void __iomem *base,
419 struct tegra_clk_pll_params *params,
420 u8 misc_num, u32 default_val, u32 mask)
421{
422 u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]);
423
424 boot_val &= mask;
425 default_val &= mask;
426 if (boot_val != default_val) {
427 pr_warn("boot misc%d 0x%x: expected 0x%x\n",
428 misc_num, boot_val, default_val);
429 pr_warn(" (comparison mask = 0x%x)\n", mask);
430 params->defaults_set = false;
431 }
432}
433
434/*
435 * PLLCX: PLLC, PLLC2, PLLC3, PLLA1
436 * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition
437 * that changes NDIV only, while PLL is already locked.
438 */
439static void pllcx_check_defaults(struct tegra_clk_pll_params *params)
440{
441 u32 default_val;
442
443 default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET);
444 _pll_misc_chk_default(clk_base, params, 0, default_val,
445 PLLCX_MISC0_WRITE_MASK);
446
447 default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ);
448 _pll_misc_chk_default(clk_base, params, 1, default_val,
449 PLLCX_MISC1_WRITE_MASK);
450
451 default_val = PLLCX_MISC2_DEFAULT_VALUE;
452 _pll_misc_chk_default(clk_base, params, 2, default_val,
453 PLLCX_MISC2_WRITE_MASK);
454
455 default_val = PLLCX_MISC3_DEFAULT_VALUE;
456 _pll_misc_chk_default(clk_base, params, 3, default_val,
457 PLLCX_MISC3_WRITE_MASK);
458}
459
460void tegra210_pllcx_set_defaults(const char *name, struct tegra_clk_pll *pllcx)
461{
462 pllcx->params->defaults_set = true;
463
464 if (readl_relaxed(clk_base + pllcx->params->base_reg) &
465 PLL_ENABLE) {
466 /* PLL is ON: only check if defaults already set */
467 pllcx_check_defaults(pllcx->params);
468 pr_warn("%s already enabled. Postponing set full defaults\n",
469 name);
470 return;
471 }
472
473 /* Defaults assert PLL reset, and set IDDQ */
474 writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE,
475 clk_base + pllcx->params->ext_misc_reg[0]);
476 writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE,
477 clk_base + pllcx->params->ext_misc_reg[1]);
478 writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE,
479 clk_base + pllcx->params->ext_misc_reg[2]);
480 writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE,
481 clk_base + pllcx->params->ext_misc_reg[3]);
482 udelay(1);
483}
484
485void _pllc_set_defaults(struct tegra_clk_pll *pllcx)
486{
487 tegra210_pllcx_set_defaults("PLL_C", pllcx);
488}
489
490void _pllc2_set_defaults(struct tegra_clk_pll *pllcx)
491{
492 tegra210_pllcx_set_defaults("PLL_C2", pllcx);
493}
494
495void _pllc3_set_defaults(struct tegra_clk_pll *pllcx)
496{
497 tegra210_pllcx_set_defaults("PLL_C3", pllcx);
498}
499
500void _plla1_set_defaults(struct tegra_clk_pll *pllcx)
501{
502 tegra210_pllcx_set_defaults("PLL_A1", pllcx);
503}
504
505/*
506 * PLLA
507 * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used.
508 * Fractional SDM is allowed to provide exact audio rates.
509 */
510void tegra210_plla_set_defaults(struct tegra_clk_pll *plla)
511{
512 u32 mask;
513 u32 val = readl_relaxed(clk_base + plla->params->base_reg);
514
515 plla->params->defaults_set = true;
516
517 if (val & PLL_ENABLE) {
518 /*
519 * PLL is ON: check if defaults already set, then set those
520 * that can be updated in flight.
521 */
522 if (val & PLLA_BASE_IDDQ) {
523 pr_warn("PLL_A boot enabled with IDDQ set\n");
524 plla->params->defaults_set = false;
525 }
526
527 pr_warn("PLL_A already enabled. Postponing set full defaults\n");
528
529 val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */
530 mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE;
531 _pll_misc_chk_default(clk_base, plla->params, 0, val,
532 ~mask & PLLA_MISC0_WRITE_MASK);
533
534 val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */
535 _pll_misc_chk_default(clk_base, plla->params, 2, val,
536 PLLA_MISC2_EN_DYNRAMP);
537
538 /* Enable lock detect */
539 val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]);
540 val &= ~mask;
541 val |= PLLA_MISC0_DEFAULT_VALUE & mask;
542 writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]);
543 udelay(1);
544
545 return;
546 }
547
548 /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */
549 val |= PLLA_BASE_IDDQ;
550 writel_relaxed(val, clk_base + plla->params->base_reg);
551 writel_relaxed(PLLA_MISC0_DEFAULT_VALUE,
552 clk_base + plla->params->ext_misc_reg[0]);
553 writel_relaxed(PLLA_MISC2_DEFAULT_VALUE,
554 clk_base + plla->params->ext_misc_reg[2]);
555 udelay(1);
556}
557
558/*
559 * PLLD
560 * PLL with fractional SDM.
561 */
562void tegra210_plld_set_defaults(struct tegra_clk_pll *plld)
563{
564 u32 val;
565 u32 mask = 0xffff;
566
567 plld->params->defaults_set = true;
568
569 if (readl_relaxed(clk_base + plld->params->base_reg) &
570 PLL_ENABLE) {
571 pr_warn("PLL_D already enabled. Postponing set full defaults\n");
572
573 /*
574 * PLL is ON: check if defaults already set, then set those
575 * that can be updated in flight.
576 */
577 val = PLLD_MISC1_DEFAULT_VALUE;
578 _pll_misc_chk_default(clk_base, plld->params, 1,
579 val, PLLD_MISC1_WRITE_MASK);
580
581 /* ignore lock, DSI and SDM controls, make sure IDDQ not set */
582 val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ);
583 mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE |
584 PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM;
585 _pll_misc_chk_default(clk_base, plld->params, 0, val,
586 ~mask & PLLD_MISC0_WRITE_MASK);
587
588 /* Enable lock detect */
589 mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE;
590 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
591 val &= ~mask;
592 val |= PLLD_MISC0_DEFAULT_VALUE & mask;
593 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
594 udelay(1);
595
596 return;
597 }
598
599 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
600 val &= PLLD_MISC0_DSI_CLKENABLE;
601 val |= PLLD_MISC0_DEFAULT_VALUE;
602 /* set IDDQ, enable lock detect, disable SDM */
603 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
604 writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base +
605 plld->params->ext_misc_reg[1]);
606 udelay(1);
607}
608
609/*
610 * PLLD2, PLLDP
611 * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used).
612 */
613static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss,
614 u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val)
615{
616 u32 default_val;
617 u32 val = readl_relaxed(clk_base + plldss->params->base_reg);
618
619 plldss->params->defaults_set = true;
620
621 if (val & PLL_ENABLE) {
622 pr_warn("%s already enabled. Postponing set full defaults\n",
623 pll_name);
624
625 /*
626 * PLL is ON: check if defaults already set, then set those
627 * that can be updated in flight.
628 */
629 if (val & PLLDSS_BASE_IDDQ) {
630 pr_warn("plldss boot enabled with IDDQ set\n");
631 plldss->params->defaults_set = false;
632 }
633
634 /* ignore lock enable */
635 default_val = misc0_val;
636 _pll_misc_chk_default(clk_base, plldss->params, 0, default_val,
637 PLLDSS_MISC0_WRITE_MASK &
638 (~PLLDSS_MISC0_LOCK_ENABLE));
639
640 /*
641 * If SSC is used, check all settings, otherwise just confirm
642 * that SSC is not used on boot as well. Do nothing when using
643 * this function for PLLC4 that has only MISC0.
644 */
645 if (plldss->params->ssc_ctrl_en_mask) {
646 default_val = misc1_val;
647 _pll_misc_chk_default(clk_base, plldss->params, 1,
648 default_val, PLLDSS_MISC1_CFG_WRITE_MASK);
649 default_val = misc2_val;
650 _pll_misc_chk_default(clk_base, plldss->params, 2,
651 default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK);
652 default_val = misc3_val;
653 _pll_misc_chk_default(clk_base, plldss->params, 3,
654 default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK);
655 } else if (plldss->params->ext_misc_reg[1]) {
656 default_val = misc1_val;
657 _pll_misc_chk_default(clk_base, plldss->params, 1,
658 default_val, PLLDSS_MISC1_CFG_WRITE_MASK &
659 (~PLLDSS_MISC1_CFG_EN_SDM));
660 }
661
662 /* Enable lock detect */
663 if (val & PLLDSS_BASE_LOCK_OVERRIDE) {
664 val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
665 writel_relaxed(val, clk_base +
666 plldss->params->base_reg);
667 }
668
669 val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]);
670 val &= ~PLLDSS_MISC0_LOCK_ENABLE;
671 val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE;
672 writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]);
673 udelay(1);
674
675 return;
676 }
677
678 /* set IDDQ, enable lock detect, configure SDM/SSC */
679 val |= PLLDSS_BASE_IDDQ;
680 val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
681 writel_relaxed(val, clk_base + plldss->params->base_reg);
682
683 /* When using this function for PLLC4 exit here */
684 if (!plldss->params->ext_misc_reg[1]) {
685 writel_relaxed(misc0_val, clk_base +
686 plldss->params->ext_misc_reg[0]);
687 udelay(1);
688 return;
689 }
690
691 writel_relaxed(misc0_val, clk_base +
692 plldss->params->ext_misc_reg[0]);
693 /* if SSC used set by 1st enable */
694 writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC),
695 clk_base + plldss->params->ext_misc_reg[1]);
696 writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]);
697 writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]);
698 udelay(1);
699}
700
701void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2)
702{
703 plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE,
704 PLLD2_MISC1_CFG_DEFAULT_VALUE,
705 PLLD2_MISC2_CTRL1_DEFAULT_VALUE,
706 PLLD2_MISC3_CTRL2_DEFAULT_VALUE);
707}
708
709void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp)
710{
711 plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE,
712 PLLDP_MISC1_CFG_DEFAULT_VALUE,
713 PLLDP_MISC2_CTRL1_DEFAULT_VALUE,
714 PLLDP_MISC3_CTRL2_DEFAULT_VALUE);
715}
716
717/*
718 * PLLC4
719 * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support.
720 * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers.
721 */
722void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4)
723{
724 plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0);
725}
726
727/*
728 * PLLRE
729 * VCO is exposed to the clock tree directly along with post-divider output
730 */
731void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre)
732{
733 u32 mask;
734 u32 val = readl_relaxed(clk_base + pllre->params->base_reg);
735
736 pllre->params->defaults_set = true;
737
738 if (val & PLL_ENABLE) {
739 pr_warn("PLL_RE already enabled. Postponing set full defaults\n");
740
741 /*
742 * PLL is ON: check if defaults already set, then set those
743 * that can be updated in flight.
744 */
745 val &= PLLRE_BASE_DEFAULT_MASK;
746 if (val != PLLRE_BASE_DEFAULT_VALUE) {
747 pr_warn("pllre boot base 0x%x : expected 0x%x\n",
748 val, PLLRE_BASE_DEFAULT_VALUE);
749 pr_warn("(comparison mask = 0x%x)\n",
750 PLLRE_BASE_DEFAULT_MASK);
751 pllre->params->defaults_set = false;
752 }
753
754 /* Ignore lock enable */
755 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ);
756 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE;
757 _pll_misc_chk_default(clk_base, pllre->params, 0, val,
758 ~mask & PLLRE_MISC0_WRITE_MASK);
759
760 /* Enable lock detect */
761 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]);
762 val &= ~mask;
763 val |= PLLRE_MISC0_DEFAULT_VALUE & mask;
764 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]);
765 udelay(1);
766
767 return;
768 }
769
770 /* set IDDQ, enable lock detect */
771 val &= ~PLLRE_BASE_DEFAULT_MASK;
772 val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK;
773 writel_relaxed(val, clk_base + pllre->params->base_reg);
774 writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE,
775 clk_base + pllre->params->ext_misc_reg[0]);
776 udelay(1);
777}
778
779static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b)
780{
781 unsigned long input_rate;
782
Rhyland Klein3dad5c52016-01-14 14:24:35 -0500783 /* cf rate */
784 if (!IS_ERR_OR_NULL(hw->clk))
Rhyland Klein6b301a02015-06-18 17:28:36 -0400785 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
Rhyland Klein3dad5c52016-01-14 14:24:35 -0500786 else
Rhyland Klein6b301a02015-06-18 17:28:36 -0400787 input_rate = 38400000;
Rhyland Klein3dad5c52016-01-14 14:24:35 -0500788
789 input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate);
Rhyland Klein6b301a02015-06-18 17:28:36 -0400790
791 switch (input_rate) {
792 case 12000000:
793 case 12800000:
794 case 13000000:
795 *step_a = 0x2B;
796 *step_b = 0x0B;
797 return;
798 case 19200000:
799 *step_a = 0x12;
800 *step_b = 0x08;
801 return;
802 case 38400000:
803 *step_a = 0x04;
804 *step_b = 0x05;
805 return;
806 default:
807 pr_err("%s: Unexpected reference rate %lu\n",
808 __func__, input_rate);
809 BUG();
810 }
811}
812
813static void pllx_check_defaults(struct tegra_clk_pll *pll)
814{
815 u32 default_val;
816
817 default_val = PLLX_MISC0_DEFAULT_VALUE;
818 /* ignore lock enable */
819 _pll_misc_chk_default(clk_base, pll->params, 0, default_val,
820 PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE));
821
822 default_val = PLLX_MISC1_DEFAULT_VALUE;
823 _pll_misc_chk_default(clk_base, pll->params, 1, default_val,
824 PLLX_MISC1_WRITE_MASK);
825
826 /* ignore all but control bit */
827 default_val = PLLX_MISC2_DEFAULT_VALUE;
828 _pll_misc_chk_default(clk_base, pll->params, 2,
829 default_val, PLLX_MISC2_EN_DYNRAMP);
830
831 default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ);
832 _pll_misc_chk_default(clk_base, pll->params, 3, default_val,
833 PLLX_MISC3_WRITE_MASK);
834
835 default_val = PLLX_MISC4_DEFAULT_VALUE;
836 _pll_misc_chk_default(clk_base, pll->params, 4, default_val,
837 PLLX_MISC4_WRITE_MASK);
838
839 default_val = PLLX_MISC5_DEFAULT_VALUE;
840 _pll_misc_chk_default(clk_base, pll->params, 5, default_val,
841 PLLX_MISC5_WRITE_MASK);
842}
843
844void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx)
845{
846 u32 val;
847 u32 step_a, step_b;
848
849 pllx->params->defaults_set = true;
850
851 /* Get ready dyn ramp state machine settings */
852 pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b);
853 val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) &
854 (~PLLX_MISC2_DYNRAMP_STEPB_MASK);
855 val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT;
856 val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT;
857
858 if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) {
859 pr_warn("PLL_X already enabled. Postponing set full defaults\n");
860
861 /*
862 * PLL is ON: check if defaults already set, then set those
863 * that can be updated in flight.
864 */
865 pllx_check_defaults(pllx);
866
867 /* Configure dyn ramp, disable lock override */
868 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
869
870 /* Enable lock detect */
871 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]);
872 val &= ~PLLX_MISC0_LOCK_ENABLE;
873 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE;
874 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]);
875 udelay(1);
876
877 return;
878 }
879
880 /* Enable lock detect and CPU output */
881 writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base +
882 pllx->params->ext_misc_reg[0]);
883
884 /* Setup */
885 writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base +
886 pllx->params->ext_misc_reg[1]);
887
888 /* Configure dyn ramp state machine, disable lock override */
889 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
890
891 /* Set IDDQ */
892 writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base +
893 pllx->params->ext_misc_reg[3]);
894
895 /* Disable SDM */
896 writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base +
897 pllx->params->ext_misc_reg[4]);
898 writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base +
899 pllx->params->ext_misc_reg[5]);
900 udelay(1);
901}
902
903/* PLLMB */
904void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb)
905{
906 u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg);
907
908 pllmb->params->defaults_set = true;
909
910 if (val & PLL_ENABLE) {
911 pr_warn("PLL_MB already enabled. Postponing set full defaults\n");
912
913 /*
914 * PLL is ON: check if defaults already set, then set those
915 * that can be updated in flight.
916 */
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500917 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ);
918 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE;
Rhyland Klein6b301a02015-06-18 17:28:36 -0400919 _pll_misc_chk_default(clk_base, pllmb->params, 0, val,
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500920 ~mask & PLLMB_MISC1_WRITE_MASK);
Rhyland Klein6b301a02015-06-18 17:28:36 -0400921
922 /* Enable lock detect */
923 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]);
924 val &= ~mask;
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500925 val |= PLLMB_MISC1_DEFAULT_VALUE & mask;
Rhyland Klein6b301a02015-06-18 17:28:36 -0400926 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]);
927 udelay(1);
928
929 return;
930 }
931
932 /* set IDDQ, enable lock detect */
Rhyland Klein474f2ba2016-01-14 14:24:32 -0500933 writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE,
Rhyland Klein6b301a02015-06-18 17:28:36 -0400934 clk_base + pllmb->params->ext_misc_reg[0]);
935 udelay(1);
936}
937
938/*
939 * PLLP
940 * VCO is exposed to the clock tree directly along with post-divider output.
941 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz,
942 * respectively.
943 */
944static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled)
945{
946 u32 val, mask;
947
948 /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */
949 val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ);
950 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
951 if (!enabled)
952 mask |= PLLP_MISC0_IDDQ;
953 _pll_misc_chk_default(clk_base, pll->params, 0, val,
954 ~mask & PLLP_MISC0_WRITE_MASK);
955
956 /* Ignore branch controls */
957 val = PLLP_MISC1_DEFAULT_VALUE;
958 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
959 _pll_misc_chk_default(clk_base, pll->params, 1, val,
960 ~mask & PLLP_MISC1_WRITE_MASK);
961}
962
963void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp)
964{
965 u32 mask;
966 u32 val = readl_relaxed(clk_base + pllp->params->base_reg);
967
968 pllp->params->defaults_set = true;
969
970 if (val & PLL_ENABLE) {
971 pr_warn("PLL_P already enabled. Postponing set full defaults\n");
972
973 /*
974 * PLL is ON: check if defaults already set, then set those
975 * that can be updated in flight.
976 */
977 pllp_check_defaults(pllp, true);
978
979 /* Enable lock detect */
980 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]);
981 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
982 val &= ~mask;
983 val |= PLLP_MISC0_DEFAULT_VALUE & mask;
984 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]);
985 udelay(1);
986
987 return;
988 }
989
990 /* set IDDQ, enable lock detect */
991 writel_relaxed(PLLP_MISC0_DEFAULT_VALUE,
992 clk_base + pllp->params->ext_misc_reg[0]);
993
994 /* Preserve branch control */
995 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]);
996 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
997 val &= mask;
998 val |= ~mask & PLLP_MISC1_DEFAULT_VALUE;
999 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]);
1000 udelay(1);
1001}
1002
1003/*
1004 * PLLU
1005 * VCO is exposed to the clock tree directly along with post-divider output.
1006 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz,
1007 * respectively.
1008 */
1009static void pllu_check_defaults(struct tegra_clk_pll *pll, bool hw_control)
1010{
1011 u32 val, mask;
1012
1013 /* Ignore lock enable (will be set) and IDDQ if under h/w control */
1014 val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ);
1015 mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0);
1016 _pll_misc_chk_default(clk_base, pll->params, 0, val,
1017 ~mask & PLLU_MISC0_WRITE_MASK);
1018
1019 val = PLLU_MISC1_DEFAULT_VALUE;
1020 mask = PLLU_MISC1_LOCK_OVERRIDE;
1021 _pll_misc_chk_default(clk_base, pll->params, 1, val,
1022 ~mask & PLLU_MISC1_WRITE_MASK);
1023}
1024
1025void tegra210_pllu_set_defaults(struct tegra_clk_pll *pllu)
1026{
1027 u32 val = readl_relaxed(clk_base + pllu->params->base_reg);
1028
1029 pllu->params->defaults_set = true;
1030
1031 if (val & PLL_ENABLE) {
1032 pr_warn("PLL_U already enabled. Postponing set full defaults\n");
1033
1034 /*
1035 * PLL is ON: check if defaults already set, then set those
1036 * that can be updated in flight.
1037 */
1038 pllu_check_defaults(pllu, false);
1039
1040 /* Enable lock detect */
1041 val = readl_relaxed(clk_base + pllu->params->ext_misc_reg[0]);
1042 val &= ~PLLU_MISC0_LOCK_ENABLE;
1043 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE;
1044 writel_relaxed(val, clk_base + pllu->params->ext_misc_reg[0]);
1045
1046 val = readl_relaxed(clk_base + pllu->params->ext_misc_reg[1]);
1047 val &= ~PLLU_MISC1_LOCK_OVERRIDE;
1048 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE;
1049 writel_relaxed(val, clk_base + pllu->params->ext_misc_reg[1]);
1050 udelay(1);
1051
1052 return;
1053 }
1054
1055 /* set IDDQ, enable lock detect */
1056 writel_relaxed(PLLU_MISC0_DEFAULT_VALUE,
1057 clk_base + pllu->params->ext_misc_reg[0]);
1058 writel_relaxed(PLLU_MISC1_DEFAULT_VALUE,
1059 clk_base + pllu->params->ext_misc_reg[1]);
1060 udelay(1);
1061}
1062
1063#define mask(w) ((1 << (w)) - 1)
1064#define divm_mask(p) mask(p->params->div_nmp->divm_width)
1065#define divn_mask(p) mask(p->params->div_nmp->divn_width)
1066#define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
1067 mask(p->params->div_nmp->divp_width))
1068
1069#define divm_shift(p) ((p)->params->div_nmp->divm_shift)
1070#define divn_shift(p) ((p)->params->div_nmp->divn_shift)
1071#define divp_shift(p) ((p)->params->div_nmp->divp_shift)
1072
1073#define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
1074#define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
1075#define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
1076
1077#define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */
1078static int tegra210_wait_for_mask(struct tegra_clk_pll *pll,
1079 u32 reg, u32 mask)
1080{
1081 int i;
1082 u32 val = 0;
1083
1084 for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) {
1085 udelay(PLL_LOCKDET_DELAY);
1086 val = readl_relaxed(clk_base + reg);
1087 if ((val & mask) == mask) {
1088 udelay(PLL_LOCKDET_DELAY);
1089 return 0;
1090 }
1091 }
1092 return -ETIMEDOUT;
1093}
1094
1095static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx,
1096 struct tegra_clk_pll_freq_table *cfg)
1097{
1098 u32 val, base, ndiv_new_mask;
1099
1100 ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift)
1101 << PLLX_MISC2_NDIV_NEW_SHIFT;
1102
1103 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1104 val &= (~ndiv_new_mask);
1105 val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT;
1106 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1107 udelay(1);
1108
1109 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1110 val |= PLLX_MISC2_EN_DYNRAMP;
1111 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1112 udelay(1);
1113
1114 tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2],
1115 PLLX_MISC2_DYNRAMP_DONE);
1116
1117 base = readl_relaxed(clk_base + pllx->params->base_reg) &
1118 (~divn_mask_shifted(pllx));
1119 base |= cfg->n << pllx->params->div_nmp->divn_shift;
1120 writel_relaxed(base, clk_base + pllx->params->base_reg);
1121 udelay(1);
1122
1123 val &= ~PLLX_MISC2_EN_DYNRAMP;
1124 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1125 udelay(1);
1126
1127 pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n",
1128 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p,
1129 cfg->input_rate / cfg->m * cfg->n /
1130 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000);
1131
1132 return 0;
1133}
1134
1135/*
1136 * Common configuration for PLLs with fixed input divider policy:
1137 * - always set fixed M-value based on the reference rate
1138 * - always set P-value value 1:1 for output rates above VCO minimum, and
1139 * choose minimum necessary P-value for output rates below VCO maximum
1140 * - calculate N-value based on selected M and P
1141 * - calculate SDM_DIN fractional part
1142 */
1143static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
1144 struct tegra_clk_pll_freq_table *cfg,
1145 unsigned long rate, unsigned long input_rate)
1146{
1147 struct tegra_clk_pll *pll = to_clk_pll(hw);
1148 struct tegra_clk_pll_params *params = pll->params;
1149 int p;
1150 unsigned long cf, p_rate;
1151 u32 pdiv;
1152
1153 if (!rate)
1154 return -EINVAL;
1155
1156 if (!(params->flags & TEGRA_PLL_VCO_OUT)) {
1157 p = DIV_ROUND_UP(params->vco_min, rate);
1158 p = params->round_p_to_pdiv(p, &pdiv);
1159 } else {
1160 p = rate >= params->vco_min ? 1 : -EINVAL;
1161 }
1162
1163 if (IS_ERR_VALUE(p))
1164 return -EINVAL;
1165
1166 cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate);
1167 cfg->p = p;
1168
1169 /* Store P as HW value, as that is what is expected */
1170 cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p);
1171
1172 p_rate = rate * p;
1173 if (p_rate > params->vco_max)
1174 p_rate = params->vco_max;
1175 cf = input_rate / cfg->m;
1176 cfg->n = p_rate / cf;
1177
1178 cfg->sdm_data = 0;
1179 if (params->sdm_ctrl_reg) {
1180 unsigned long rem = p_rate - cf * cfg->n;
1181 /* If ssc is enabled SDM enabled as well, even for integer n */
1182 if (rem || params->ssc_ctrl_reg) {
1183 u64 s = rem * PLL_SDM_COEFF;
1184
1185 do_div(s, cf);
1186 s -= PLL_SDM_COEFF / 2;
1187 cfg->sdm_data = sdin_din_to_data(s);
1188 }
1189 }
1190
1191 cfg->input_rate = input_rate;
1192 cfg->output_rate = rate;
1193
1194 return 0;
1195}
1196
1197/*
1198 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate
1199 *
1200 * @cfg: struct tegra_clk_pll_freq_table * cfg
1201 *
1202 * For Normal mode:
1203 * Fvco = Fref * NDIV / MDIV
1204 *
1205 * For fractional mode:
1206 * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV
1207 */
1208static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg)
1209{
1210 cfg->n = cfg->n * PLL_SDM_COEFF + PLL_SDM_COEFF/2 +
1211 sdin_data_to_din(cfg->sdm_data);
1212 cfg->m *= PLL_SDM_COEFF;
1213}
1214
1215unsigned long tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params,
1216 unsigned long parent_rate)
1217{
1218 unsigned long vco_min = params->vco_min;
1219
1220 params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF);
1221 vco_min = min(vco_min, params->vco_min);
1222
1223 return vco_min;
1224}
1225
1226static struct div_nmp pllx_nmp = {
1227 .divm_shift = 0,
1228 .divm_width = 8,
1229 .divn_shift = 8,
1230 .divn_width = 8,
1231 .divp_shift = 20,
1232 .divp_width = 5,
1233};
1234/*
1235 * PLL post divider maps - two types: quasi-linear and exponential
1236 * post divider.
1237 */
1238#define PLL_QLIN_PDIV_MAX 16
1239static const struct pdiv_map pll_qlin_pdiv_to_hw[] = {
1240 { .pdiv = 1, .hw_val = 0 },
1241 { .pdiv = 2, .hw_val = 1 },
1242 { .pdiv = 3, .hw_val = 2 },
1243 { .pdiv = 4, .hw_val = 3 },
1244 { .pdiv = 5, .hw_val = 4 },
1245 { .pdiv = 6, .hw_val = 5 },
1246 { .pdiv = 8, .hw_val = 6 },
1247 { .pdiv = 9, .hw_val = 7 },
1248 { .pdiv = 10, .hw_val = 8 },
1249 { .pdiv = 12, .hw_val = 9 },
1250 { .pdiv = 15, .hw_val = 10 },
1251 { .pdiv = 16, .hw_val = 11 },
1252 { .pdiv = 18, .hw_val = 12 },
1253 { .pdiv = 20, .hw_val = 13 },
1254 { .pdiv = 24, .hw_val = 14 },
1255 { .pdiv = 30, .hw_val = 15 },
1256 { .pdiv = 32, .hw_val = 16 },
1257};
1258
1259static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv)
1260{
1261 int i;
1262
1263 if (p) {
1264 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) {
1265 if (p <= pll_qlin_pdiv_to_hw[i].pdiv) {
1266 if (pdiv)
1267 *pdiv = i;
1268 return pll_qlin_pdiv_to_hw[i].pdiv;
1269 }
1270 }
1271 }
1272
1273 return -EINVAL;
1274}
1275
1276#define PLL_EXPO_PDIV_MAX 7
1277static const struct pdiv_map pll_expo_pdiv_to_hw[] = {
1278 { .pdiv = 1, .hw_val = 0 },
1279 { .pdiv = 2, .hw_val = 1 },
1280 { .pdiv = 4, .hw_val = 2 },
1281 { .pdiv = 8, .hw_val = 3 },
1282 { .pdiv = 16, .hw_val = 4 },
1283 { .pdiv = 32, .hw_val = 5 },
1284 { .pdiv = 64, .hw_val = 6 },
1285 { .pdiv = 128, .hw_val = 7 },
1286};
1287
1288static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv)
1289{
1290 if (p) {
1291 u32 i = fls(p);
1292
1293 if (i == ffs(p))
1294 i--;
1295
1296 if (i <= PLL_EXPO_PDIV_MAX) {
1297 if (pdiv)
1298 *pdiv = i;
1299 return 1 << i;
1300 }
1301 }
1302 return -EINVAL;
1303}
1304
1305static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
1306 /* 1 GHz */
1307 { 12000000, 1000000000, 166, 1, 1, 0 }, /* actual: 996.0 MHz */
1308 { 13000000, 1000000000, 153, 1, 1, 0 }, /* actual: 994.0 MHz */
1309 { 38400000, 1000000000, 156, 3, 1, 0 }, /* actual: 998.4 MHz */
1310 { 0, 0, 0, 0, 0, 0 },
1311};
1312
1313static struct tegra_clk_pll_params pll_x_params = {
1314 .input_min = 12000000,
1315 .input_max = 800000000,
1316 .cf_min = 12000000,
1317 .cf_max = 38400000,
1318 .vco_min = 1350000000,
1319 .vco_max = 3000000000UL,
1320 .base_reg = PLLX_BASE,
1321 .misc_reg = PLLX_MISC0,
1322 .lock_mask = PLL_BASE_LOCK,
1323 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
1324 .lock_delay = 300,
1325 .ext_misc_reg[0] = PLLX_MISC0,
1326 .ext_misc_reg[1] = PLLX_MISC1,
1327 .ext_misc_reg[2] = PLLX_MISC2,
1328 .ext_misc_reg[3] = PLLX_MISC3,
1329 .ext_misc_reg[4] = PLLX_MISC4,
1330 .ext_misc_reg[5] = PLLX_MISC5,
1331 .iddq_reg = PLLX_MISC3,
1332 .iddq_bit_idx = PLLXP_IDDQ_BIT,
1333 .max_p = PLL_QLIN_PDIV_MAX,
1334 .mdiv_default = 2,
1335 .dyn_ramp_reg = PLLX_MISC2,
1336 .stepa_shift = 16,
1337 .stepb_shift = 24,
1338 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1339 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1340 .div_nmp = &pllx_nmp,
1341 .freq_table = pll_x_freq_table,
1342 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1343 .dyn_ramp = tegra210_pllx_dyn_ramp,
1344 .set_defaults = tegra210_pllx_set_defaults,
1345 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1346};
1347
1348static struct div_nmp pllc_nmp = {
1349 .divm_shift = 0,
1350 .divm_width = 8,
1351 .divn_shift = 10,
1352 .divn_width = 8,
1353 .divp_shift = 20,
1354 .divp_width = 5,
1355};
1356
1357static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
1358 { 12000000, 510000000, 85, 1, 1, 0 },
1359 { 13000000, 510000000, 78, 1, 1, 0 }, /* actual: 507.0 MHz */
1360 { 38400000, 510000000, 79, 3, 1, 0 }, /* actual: 505.6 MHz */
1361 { 0, 0, 0, 0, 0, 0 },
1362};
1363
1364static struct tegra_clk_pll_params pll_c_params = {
1365 .input_min = 12000000,
1366 .input_max = 700000000,
1367 .cf_min = 12000000,
1368 .cf_max = 50000000,
1369 .vco_min = 600000000,
1370 .vco_max = 1200000000,
1371 .base_reg = PLLC_BASE,
1372 .misc_reg = PLLC_MISC0,
1373 .lock_mask = PLL_BASE_LOCK,
1374 .lock_delay = 300,
1375 .iddq_reg = PLLC_MISC1,
1376 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1377 .reset_reg = PLLC_MISC0,
1378 .reset_bit_idx = PLLCX_RESET_BIT,
1379 .max_p = PLL_QLIN_PDIV_MAX,
1380 .ext_misc_reg[0] = PLLC_MISC0,
1381 .ext_misc_reg[1] = PLLC_MISC1,
1382 .ext_misc_reg[2] = PLLC_MISC2,
1383 .ext_misc_reg[3] = PLLC_MISC3,
1384 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1385 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1386 .mdiv_default = 3,
1387 .div_nmp = &pllc_nmp,
1388 .freq_table = pll_cx_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001389 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001390 .set_defaults = _pllc_set_defaults,
1391 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1392};
1393
1394static struct div_nmp pllcx_nmp = {
1395 .divm_shift = 0,
1396 .divm_width = 8,
1397 .divn_shift = 10,
1398 .divn_width = 8,
1399 .divp_shift = 20,
1400 .divp_width = 5,
1401};
1402
1403static struct tegra_clk_pll_params pll_c2_params = {
1404 .input_min = 12000000,
1405 .input_max = 700000000,
1406 .cf_min = 12000000,
1407 .cf_max = 50000000,
1408 .vco_min = 600000000,
1409 .vco_max = 1200000000,
1410 .base_reg = PLLC2_BASE,
1411 .misc_reg = PLLC2_MISC0,
1412 .iddq_reg = PLLC2_MISC1,
1413 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1414 .reset_reg = PLLC2_MISC0,
1415 .reset_bit_idx = PLLCX_RESET_BIT,
1416 .lock_mask = PLLCX_BASE_LOCK,
1417 .lock_delay = 300,
1418 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1419 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1420 .mdiv_default = 3,
1421 .div_nmp = &pllcx_nmp,
1422 .max_p = PLL_QLIN_PDIV_MAX,
1423 .ext_misc_reg[0] = PLLC2_MISC0,
1424 .ext_misc_reg[1] = PLLC2_MISC1,
1425 .ext_misc_reg[2] = PLLC2_MISC2,
1426 .ext_misc_reg[3] = PLLC2_MISC3,
1427 .freq_table = pll_cx_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001428 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001429 .set_defaults = _pllc2_set_defaults,
1430 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1431};
1432
1433static struct tegra_clk_pll_params pll_c3_params = {
1434 .input_min = 12000000,
1435 .input_max = 700000000,
1436 .cf_min = 12000000,
1437 .cf_max = 50000000,
1438 .vco_min = 600000000,
1439 .vco_max = 1200000000,
1440 .base_reg = PLLC3_BASE,
1441 .misc_reg = PLLC3_MISC0,
1442 .lock_mask = PLLCX_BASE_LOCK,
1443 .lock_delay = 300,
1444 .iddq_reg = PLLC3_MISC1,
1445 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1446 .reset_reg = PLLC3_MISC0,
1447 .reset_bit_idx = PLLCX_RESET_BIT,
1448 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1449 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1450 .mdiv_default = 3,
1451 .div_nmp = &pllcx_nmp,
1452 .max_p = PLL_QLIN_PDIV_MAX,
1453 .ext_misc_reg[0] = PLLC3_MISC0,
1454 .ext_misc_reg[1] = PLLC3_MISC1,
1455 .ext_misc_reg[2] = PLLC3_MISC2,
1456 .ext_misc_reg[3] = PLLC3_MISC3,
1457 .freq_table = pll_cx_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001458 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001459 .set_defaults = _pllc3_set_defaults,
1460 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1461};
1462
1463static struct div_nmp pllss_nmp = {
1464 .divm_shift = 0,
1465 .divm_width = 8,
1466 .divn_shift = 8,
1467 .divn_width = 8,
1468 .divp_shift = 19,
1469 .divp_width = 5,
1470};
1471
1472static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = {
1473 { 12000000, 600000000, 50, 1, 0, 0 },
1474 { 13000000, 600000000, 46, 1, 0, 0 }, /* actual: 598.0 MHz */
1475 { 38400000, 600000000, 62, 4, 0, 0 }, /* actual: 595.2 MHz */
1476 { 0, 0, 0, 0, 0, 0 },
1477};
1478
1479static const struct clk_div_table pll_vco_post_div_table[] = {
1480 { .val = 0, .div = 1 },
1481 { .val = 1, .div = 2 },
1482 { .val = 2, .div = 3 },
1483 { .val = 3, .div = 4 },
1484 { .val = 4, .div = 5 },
1485 { .val = 5, .div = 6 },
1486 { .val = 6, .div = 8 },
1487 { .val = 7, .div = 10 },
1488 { .val = 8, .div = 12 },
1489 { .val = 9, .div = 16 },
1490 { .val = 10, .div = 12 },
1491 { .val = 11, .div = 16 },
1492 { .val = 12, .div = 20 },
1493 { .val = 13, .div = 24 },
1494 { .val = 14, .div = 32 },
1495 { .val = 0, .div = 0 },
1496};
1497
1498static struct tegra_clk_pll_params pll_c4_vco_params = {
1499 .input_min = 9600000,
1500 .input_max = 800000000,
1501 .cf_min = 9600000,
1502 .cf_max = 19200000,
1503 .vco_min = 500000000,
1504 .vco_max = 1080000000,
1505 .base_reg = PLLC4_BASE,
1506 .misc_reg = PLLC4_MISC0,
1507 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001508 .lock_delay = 300,
1509 .max_p = PLL_QLIN_PDIV_MAX,
1510 .ext_misc_reg[0] = PLLC4_MISC0,
1511 .iddq_reg = PLLC4_BASE,
1512 .iddq_bit_idx = PLLSS_IDDQ_BIT,
1513 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1514 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1515 .mdiv_default = 3,
1516 .div_nmp = &pllss_nmp,
1517 .freq_table = pll_c4_vco_freq_table,
1518 .set_defaults = tegra210_pllc4_set_defaults,
Rhyland Klein14050112016-01-14 14:24:31 -05001519 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001520 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1521};
1522
1523static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
1524 { 12000000, 800000000, 66, 1, 0, 0 }, /* actual: 792.0 MHz */
1525 { 13000000, 800000000, 61, 1, 0, 0 }, /* actual: 793.0 MHz */
1526 { 38400000, 297600000, 93, 4, 2, 0 },
1527 { 38400000, 400000000, 125, 4, 2, 0 },
1528 { 38400000, 532800000, 111, 4, 1, 0 },
1529 { 38400000, 665600000, 104, 3, 1, 0 },
1530 { 38400000, 800000000, 125, 3, 1, 0 },
1531 { 38400000, 931200000, 97, 4, 0, 0 },
1532 { 38400000, 1065600000, 111, 4, 0, 0 },
1533 { 38400000, 1200000000, 125, 4, 0, 0 },
1534 { 38400000, 1331200000, 104, 3, 0, 0 },
1535 { 38400000, 1459200000, 76, 2, 0, 0 },
1536 { 38400000, 1600000000, 125, 3, 0, 0 },
1537 { 0, 0, 0, 0, 0, 0 },
1538};
1539
1540static struct div_nmp pllm_nmp = {
1541 .divm_shift = 0,
1542 .divm_width = 8,
1543 .override_divm_shift = 0,
1544 .divn_shift = 8,
1545 .divn_width = 8,
1546 .override_divn_shift = 8,
1547 .divp_shift = 20,
1548 .divp_width = 5,
1549 .override_divp_shift = 27,
1550};
1551
1552static struct tegra_clk_pll_params pll_m_params = {
1553 .input_min = 9600000,
1554 .input_max = 500000000,
1555 .cf_min = 9600000,
1556 .cf_max = 19200000,
1557 .vco_min = 800000000,
1558 .vco_max = 1866000000,
1559 .base_reg = PLLM_BASE,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001560 .misc_reg = PLLM_MISC2,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001561 .lock_mask = PLL_BASE_LOCK,
1562 .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE,
1563 .lock_delay = 300,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001564 .iddq_reg = PLLM_MISC2,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001565 .iddq_bit_idx = PLLM_IDDQ_BIT,
1566 .max_p = PLL_QLIN_PDIV_MAX,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001567 .ext_misc_reg[0] = PLLM_MISC2,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001568 .ext_misc_reg[0] = PLLM_MISC1,
1569 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1570 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1571 .div_nmp = &pllm_nmp,
1572 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
1573 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
1574 .freq_table = pll_m_freq_table,
1575 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1576 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1577};
1578
1579static struct tegra_clk_pll_params pll_mb_params = {
1580 .input_min = 9600000,
1581 .input_max = 500000000,
1582 .cf_min = 9600000,
1583 .cf_max = 19200000,
1584 .vco_min = 800000000,
1585 .vco_max = 1866000000,
1586 .base_reg = PLLMB_BASE,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001587 .misc_reg = PLLMB_MISC1,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001588 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001589 .lock_delay = 300,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001590 .iddq_reg = PLLMB_MISC1,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001591 .iddq_bit_idx = PLLMB_IDDQ_BIT,
1592 .max_p = PLL_QLIN_PDIV_MAX,
Rhyland Klein474f2ba2016-01-14 14:24:32 -05001593 .ext_misc_reg[0] = PLLMB_MISC1,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001594 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1595 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1596 .div_nmp = &pllm_nmp,
1597 .freq_table = pll_m_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001598 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001599 .set_defaults = tegra210_pllmb_set_defaults,
1600 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1601};
1602
1603
1604static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
1605 /* PLLE special case: use cpcon field to store cml divider value */
1606 { 672000000, 100000000, 125, 42, 0, 13 },
1607 { 624000000, 100000000, 125, 39, 0, 13 },
1608 { 336000000, 100000000, 125, 21, 0, 13 },
1609 { 312000000, 100000000, 200, 26, 0, 14 },
1610 { 38400000, 100000000, 125, 2, 0, 14 },
1611 { 12000000, 100000000, 200, 1, 0, 14 },
1612 { 0, 0, 0, 0, 0, 0 },
1613};
1614
1615static struct div_nmp plle_nmp = {
1616 .divm_shift = 0,
1617 .divm_width = 8,
1618 .divn_shift = 8,
1619 .divn_width = 8,
1620 .divp_shift = 24,
1621 .divp_width = 5,
1622};
1623
1624static struct tegra_clk_pll_params pll_e_params = {
1625 .input_min = 12000000,
1626 .input_max = 800000000,
1627 .cf_min = 12000000,
1628 .cf_max = 38400000,
1629 .vco_min = 1600000000,
1630 .vco_max = 2500000000U,
1631 .base_reg = PLLE_BASE,
1632 .misc_reg = PLLE_MISC0,
1633 .aux_reg = PLLE_AUX,
1634 .lock_mask = PLLE_MISC_LOCK,
1635 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
1636 .lock_delay = 300,
1637 .div_nmp = &plle_nmp,
1638 .freq_table = pll_e_freq_table,
1639 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK |
1640 TEGRA_PLL_HAS_LOCK_ENABLE,
1641 .fixed_rate = 100000000,
1642 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1643};
1644
1645static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = {
1646 { 12000000, 672000000, 56, 1, 0, 0 },
1647 { 13000000, 672000000, 51, 1, 0, 0 }, /* actual: 663.0 MHz */
1648 { 38400000, 672000000, 70, 4, 0, 0 },
1649 { 0, 0, 0, 0, 0, 0 },
1650};
1651
1652static struct div_nmp pllre_nmp = {
1653 .divm_shift = 0,
1654 .divm_width = 8,
1655 .divn_shift = 8,
1656 .divn_width = 8,
1657 .divp_shift = 16,
1658 .divp_width = 5,
1659};
1660
1661static struct tegra_clk_pll_params pll_re_vco_params = {
1662 .input_min = 9600000,
1663 .input_max = 800000000,
1664 .cf_min = 9600000,
1665 .cf_max = 19200000,
1666 .vco_min = 350000000,
1667 .vco_max = 700000000,
1668 .base_reg = PLLRE_BASE,
1669 .misc_reg = PLLRE_MISC0,
1670 .lock_mask = PLLRE_MISC_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001671 .lock_delay = 300,
1672 .max_p = PLL_QLIN_PDIV_MAX,
1673 .ext_misc_reg[0] = PLLRE_MISC0,
1674 .iddq_reg = PLLRE_MISC0,
1675 .iddq_bit_idx = PLLRE_IDDQ_BIT,
1676 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1677 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1678 .div_nmp = &pllre_nmp,
1679 .freq_table = pll_re_vco_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001680 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001681 .set_defaults = tegra210_pllre_set_defaults,
1682 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1683};
1684
1685static struct div_nmp pllp_nmp = {
1686 .divm_shift = 0,
1687 .divm_width = 8,
1688 .divn_shift = 10,
1689 .divn_width = 8,
1690 .divp_shift = 20,
1691 .divp_width = 5,
1692};
1693
1694static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
1695 { 12000000, 408000000, 34, 1, 0, 0 },
1696 { 38400000, 408000000, 85, 8, 0, 0 }, /* cf = 4.8MHz, allowed exception */
1697 { 0, 0, 0, 0, 0, 0 },
1698};
1699
1700static struct tegra_clk_pll_params pll_p_params = {
1701 .input_min = 9600000,
1702 .input_max = 800000000,
1703 .cf_min = 9600000,
1704 .cf_max = 19200000,
1705 .vco_min = 350000000,
1706 .vco_max = 700000000,
1707 .base_reg = PLLP_BASE,
1708 .misc_reg = PLLP_MISC0,
1709 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001710 .lock_delay = 300,
1711 .iddq_reg = PLLP_MISC0,
1712 .iddq_bit_idx = PLLXP_IDDQ_BIT,
1713 .ext_misc_reg[0] = PLLP_MISC0,
1714 .ext_misc_reg[1] = PLLP_MISC1,
1715 .div_nmp = &pllp_nmp,
1716 .freq_table = pll_p_freq_table,
1717 .fixed_rate = 408000000,
Rhyland Klein14050112016-01-14 14:24:31 -05001718 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001719 .set_defaults = tegra210_pllp_set_defaults,
1720 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1721};
1722
1723static struct tegra_clk_pll_params pll_a1_params = {
1724 .input_min = 12000000,
1725 .input_max = 700000000,
1726 .cf_min = 12000000,
1727 .cf_max = 50000000,
1728 .vco_min = 600000000,
1729 .vco_max = 1200000000,
1730 .base_reg = PLLA1_BASE,
1731 .misc_reg = PLLA1_MISC0,
1732 .lock_mask = PLLCX_BASE_LOCK,
1733 .lock_delay = 300,
1734 .iddq_reg = PLLA1_MISC0,
1735 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1736 .reset_reg = PLLA1_MISC0,
1737 .reset_bit_idx = PLLCX_RESET_BIT,
1738 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1739 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1740 .div_nmp = &pllc_nmp,
1741 .ext_misc_reg[0] = PLLA1_MISC0,
1742 .ext_misc_reg[1] = PLLA1_MISC1,
1743 .ext_misc_reg[2] = PLLA1_MISC2,
1744 .ext_misc_reg[3] = PLLA1_MISC3,
1745 .freq_table = pll_cx_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001746 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001747 .set_defaults = _plla1_set_defaults,
1748 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1749};
1750
1751static struct div_nmp plla_nmp = {
1752 .divm_shift = 0,
1753 .divm_width = 8,
1754 .divn_shift = 8,
1755 .divn_width = 8,
1756 .divp_shift = 20,
1757 .divp_width = 5,
1758};
1759
1760static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
1761 { 12000000, 282240000, 47, 1, 1, 1, 0xf148 }, /* actual: 282240234 */
1762 { 12000000, 368640000, 61, 1, 1, 1, 0xfe15 }, /* actual: 368640381 */
1763 { 12000000, 240000000, 60, 1, 2, 1, 0 },
1764 { 13000000, 282240000, 43, 1, 1, 1, 0xfd7d }, /* actual: 282239807 */
1765 { 13000000, 368640000, 56, 1, 1, 1, 0x06d8 }, /* actual: 368640137 */
1766 { 13000000, 240000000, 55, 1, 2, 1, 0 }, /* actual: 238.3 MHz */
1767 { 38400000, 282240000, 44, 3, 1, 1, 0xf333 }, /* actual: 282239844 */
1768 { 38400000, 368640000, 57, 3, 1, 1, 0x0333 }, /* actual: 368639844 */
1769 { 38400000, 240000000, 75, 3, 3, 1, 0 },
1770 { 0, 0, 0, 0, 0, 0, 0 },
1771};
1772
1773static struct tegra_clk_pll_params pll_a_params = {
1774 .input_min = 12000000,
1775 .input_max = 800000000,
1776 .cf_min = 12000000,
1777 .cf_max = 19200000,
1778 .vco_min = 500000000,
1779 .vco_max = 1000000000,
1780 .base_reg = PLLA_BASE,
1781 .misc_reg = PLLA_MISC0,
1782 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001783 .lock_delay = 300,
1784 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1785 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1786 .iddq_reg = PLLA_BASE,
1787 .iddq_bit_idx = PLLA_IDDQ_BIT,
1788 .div_nmp = &plla_nmp,
1789 .sdm_din_reg = PLLA_MISC1,
1790 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1791 .sdm_ctrl_reg = PLLA_MISC2,
1792 .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK,
1793 .ext_misc_reg[0] = PLLA_MISC0,
1794 .ext_misc_reg[1] = PLLA_MISC1,
1795 .ext_misc_reg[2] = PLLA_MISC2,
1796 .freq_table = pll_a_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001797 .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001798 .set_defaults = tegra210_plla_set_defaults,
1799 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1800 .set_gain = tegra210_clk_pll_set_gain,
1801 .adjust_vco = tegra210_clk_adjust_vco_min,
1802};
1803
1804static struct div_nmp plld_nmp = {
1805 .divm_shift = 0,
1806 .divm_width = 8,
1807 .divn_shift = 11,
1808 .divn_width = 8,
1809 .divp_shift = 20,
1810 .divp_width = 3,
1811};
1812
1813static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
1814 { 12000000, 594000000, 99, 1, 1, 0, 0 },
1815 { 13000000, 594000000, 91, 1, 1, 0, 0xfc4f }, /* actual: 594000183 */
1816 { 38400000, 594000000, 30, 1, 1, 0, 0x0e00 },
1817 { 0, 0, 0, 0, 0, 0, 0 },
1818};
1819
1820static struct tegra_clk_pll_params pll_d_params = {
1821 .input_min = 12000000,
1822 .input_max = 800000000,
1823 .cf_min = 12000000,
1824 .cf_max = 38400000,
1825 .vco_min = 750000000,
1826 .vco_max = 1500000000,
1827 .base_reg = PLLD_BASE,
1828 .misc_reg = PLLD_MISC0,
1829 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001830 .lock_delay = 1000,
1831 .iddq_reg = PLLD_MISC0,
1832 .iddq_bit_idx = PLLD_IDDQ_BIT,
1833 .round_p_to_pdiv = pll_expo_p_to_pdiv,
1834 .pdiv_tohw = pll_expo_pdiv_to_hw,
1835 .div_nmp = &plld_nmp,
1836 .sdm_din_reg = PLLD_MISC0,
1837 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1838 .sdm_ctrl_reg = PLLD_MISC0,
1839 .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK,
1840 .ext_misc_reg[0] = PLLD_MISC0,
1841 .ext_misc_reg[1] = PLLD_MISC1,
1842 .freq_table = pll_d_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001843 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001844 .mdiv_default = 1,
1845 .set_defaults = tegra210_plld_set_defaults,
1846 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1847 .set_gain = tegra210_clk_pll_set_gain,
1848 .adjust_vco = tegra210_clk_adjust_vco_min,
1849};
1850
1851static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = {
1852 { 12000000, 594000000, 99, 1, 1, 0, 0xf000 },
1853 { 13000000, 594000000, 91, 1, 1, 0, 0xfc4f }, /* actual: 594000183 */
1854 { 38400000, 594000000, 30, 1, 1, 0, 0x0e00 },
1855 { 0, 0, 0, 0, 0, 0, 0 },
1856};
1857
1858/* s/w policy, always tegra_pll_ref */
1859static struct tegra_clk_pll_params pll_d2_params = {
1860 .input_min = 12000000,
1861 .input_max = 800000000,
1862 .cf_min = 12000000,
1863 .cf_max = 38400000,
1864 .vco_min = 750000000,
1865 .vco_max = 1500000000,
1866 .base_reg = PLLD2_BASE,
1867 .misc_reg = PLLD2_MISC0,
1868 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001869 .lock_delay = 300,
1870 .iddq_reg = PLLD2_BASE,
1871 .iddq_bit_idx = PLLSS_IDDQ_BIT,
1872 .sdm_din_reg = PLLD2_MISC3,
1873 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1874 .sdm_ctrl_reg = PLLD2_MISC1,
1875 .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK,
1876 .ssc_ctrl_reg = PLLD2_MISC1,
1877 .ssc_ctrl_en_mask = PLLD2_SSC_EN_MASK,
1878 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1879 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1880 .div_nmp = &pllss_nmp,
1881 .ext_misc_reg[0] = PLLD2_MISC0,
1882 .ext_misc_reg[1] = PLLD2_MISC1,
1883 .ext_misc_reg[2] = PLLD2_MISC2,
1884 .ext_misc_reg[3] = PLLD2_MISC3,
1885 .max_p = PLL_QLIN_PDIV_MAX,
1886 .mdiv_default = 1,
1887 .freq_table = tegra210_pll_d2_freq_table,
1888 .set_defaults = tegra210_plld2_set_defaults,
Rhyland Klein14050112016-01-14 14:24:31 -05001889 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001890 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1891 .set_gain = tegra210_clk_pll_set_gain,
1892 .adjust_vco = tegra210_clk_adjust_vco_min,
1893};
1894
1895static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = {
1896 { 12000000, 270000000, 90, 1, 3, 0, 0xf000 },
1897 { 13000000, 270000000, 83, 1, 3, 0, 0xf000 }, /* actual: 269.8 MHz */
1898 { 38400000, 270000000, 28, 1, 3, 0, 0xf400 },
1899 { 0, 0, 0, 0, 0, 0, 0 },
1900};
1901
1902static struct tegra_clk_pll_params pll_dp_params = {
1903 .input_min = 12000000,
1904 .input_max = 800000000,
1905 .cf_min = 12000000,
1906 .cf_max = 38400000,
1907 .vco_min = 750000000,
1908 .vco_max = 1500000000,
1909 .base_reg = PLLDP_BASE,
1910 .misc_reg = PLLDP_MISC,
1911 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001912 .lock_delay = 300,
1913 .iddq_reg = PLLDP_BASE,
1914 .iddq_bit_idx = PLLSS_IDDQ_BIT,
1915 .sdm_din_reg = PLLDP_SS_CTRL2,
1916 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1917 .sdm_ctrl_reg = PLLDP_SS_CFG,
1918 .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK,
1919 .ssc_ctrl_reg = PLLDP_SS_CFG,
1920 .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK,
1921 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1922 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1923 .div_nmp = &pllss_nmp,
1924 .ext_misc_reg[0] = PLLDP_MISC,
1925 .ext_misc_reg[1] = PLLDP_SS_CFG,
1926 .ext_misc_reg[2] = PLLDP_SS_CTRL1,
1927 .ext_misc_reg[3] = PLLDP_SS_CTRL2,
1928 .max_p = PLL_QLIN_PDIV_MAX,
1929 .mdiv_default = 1,
1930 .freq_table = pll_dp_freq_table,
1931 .set_defaults = tegra210_plldp_set_defaults,
Rhyland Klein14050112016-01-14 14:24:31 -05001932 .flags = TEGRA_PLL_USE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001933 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1934 .set_gain = tegra210_clk_pll_set_gain,
1935 .adjust_vco = tegra210_clk_adjust_vco_min,
1936};
1937
1938static struct div_nmp pllu_nmp = {
1939 .divm_shift = 0,
1940 .divm_width = 8,
1941 .divn_shift = 8,
1942 .divn_width = 8,
1943 .divp_shift = 16,
1944 .divp_width = 5,
1945};
1946
1947static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
1948 { 12000000, 480000000, 40, 1, 0, 0 },
1949 { 13000000, 480000000, 36, 1, 0, 0 }, /* actual: 468.0 MHz */
1950 { 38400000, 480000000, 25, 2, 0, 0 },
1951 { 0, 0, 0, 0, 0, 0 },
1952};
1953
1954static struct tegra_clk_pll_params pll_u_vco_params = {
1955 .input_min = 9600000,
1956 .input_max = 800000000,
1957 .cf_min = 9600000,
1958 .cf_max = 19200000,
1959 .vco_min = 350000000,
1960 .vco_max = 700000000,
1961 .base_reg = PLLU_BASE,
1962 .misc_reg = PLLU_MISC0,
1963 .lock_mask = PLL_BASE_LOCK,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001964 .lock_delay = 1000,
1965 .iddq_reg = PLLU_MISC0,
1966 .iddq_bit_idx = PLLU_IDDQ_BIT,
1967 .ext_misc_reg[0] = PLLU_MISC0,
1968 .ext_misc_reg[1] = PLLU_MISC1,
1969 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1970 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1971 .div_nmp = &pllu_nmp,
1972 .freq_table = pll_u_freq_table,
Rhyland Klein14050112016-01-14 14:24:31 -05001973 .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
Rhyland Klein6b301a02015-06-18 17:28:36 -04001974 .set_defaults = tegra210_pllu_set_defaults,
1975 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1976};
1977
1978struct utmi_clk_param {
1979 /* Oscillator Frequency in KHz */
1980 u32 osc_frequency;
1981 /* UTMIP PLL Enable Delay Count */
1982 u8 enable_delay_count;
1983 /* UTMIP PLL Stable count */
1984 u16 stable_count;
1985 /* UTMIP PLL Active delay count */
1986 u8 active_delay_count;
1987 /* UTMIP PLL Xtal frequency count */
1988 u16 xtal_freq_count;
1989};
1990
1991static const struct utmi_clk_param utmi_parameters[] = {
1992 {
1993 .osc_frequency = 38400000, .enable_delay_count = 0x0,
1994 .stable_count = 0x0, .active_delay_count = 0x6,
1995 .xtal_freq_count = 0x80
1996 }, {
1997 .osc_frequency = 13000000, .enable_delay_count = 0x02,
1998 .stable_count = 0x33, .active_delay_count = 0x05,
1999 .xtal_freq_count = 0x7f
2000 }, {
2001 .osc_frequency = 19200000, .enable_delay_count = 0x03,
2002 .stable_count = 0x4b, .active_delay_count = 0x06,
2003 .xtal_freq_count = 0xbb
2004 }, {
2005 .osc_frequency = 12000000, .enable_delay_count = 0x02,
2006 .stable_count = 0x2f, .active_delay_count = 0x08,
2007 .xtal_freq_count = 0x76
2008 }, {
2009 .osc_frequency = 26000000, .enable_delay_count = 0x04,
2010 .stable_count = 0x66, .active_delay_count = 0x09,
2011 .xtal_freq_count = 0xfe
2012 }, {
2013 .osc_frequency = 16800000, .enable_delay_count = 0x03,
2014 .stable_count = 0x41, .active_delay_count = 0x0a,
2015 .xtal_freq_count = 0xa4
2016 },
2017};
2018
2019static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
2020 [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true },
2021 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true },
2022 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true },
2023 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true },
2024 [tegra_clk_sdmmc2_9] = { .dt_id = TEGRA210_CLK_SDMMC2, .present = true },
2025 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true },
2026 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true },
2027 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true },
2028 [tegra_clk_sdmmc4_9] = { .dt_id = TEGRA210_CLK_SDMMC4, .present = true },
2029 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true },
2030 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true },
2031 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true },
2032 [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true },
2033 [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true },
2034 [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true },
2035 [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true },
2036 [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true },
2037 [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true },
2038 [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true },
2039 [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true },
2040 [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true },
2041 [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true },
2042 [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true },
2043 [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true },
2044 [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true },
2045 [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true },
2046 [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true },
2047 [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true },
2048 [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true },
2049 [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true },
2050 [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true },
2051 [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true },
2052 [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true },
2053 [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true },
2054 [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true },
2055 [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true },
2056 [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true },
2057 [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true },
2058 [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true },
2059 [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true },
2060 [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true },
2061 [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true },
2062 [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true },
2063 [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true },
2064 [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true },
2065 [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true },
2066 [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true },
2067 [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true },
2068 [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true },
2069 [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true },
2070 [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true },
2071 [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true },
2072 [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true },
2073 [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true },
2074 [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true },
2075 [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true },
2076 [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true },
2077 [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true },
2078 [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true },
2079 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true },
2080 [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true },
2081 [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true },
2082 [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true },
2083 [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true },
2084 [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true },
2085 [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true },
2086 [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true },
2087 [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true },
2088 [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true },
2089 [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true },
2090 [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true },
2091 [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true },
2092 [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true },
2093 [tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true },
2094 [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true },
2095 [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, },
2096 [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true },
2097 [tegra_clk_vfir] = { .dt_id = TEGRA210_CLK_VFIR, .present = true },
2098 [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true },
2099 [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true },
2100 [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true },
2101 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true },
2102 [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true },
2103 [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true },
2104 [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true },
2105 [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true },
2106 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true },
2107 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true },
2108 [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true },
2109 [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true },
2110 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true },
2111 [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true },
2112 [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true },
2113 [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true },
2114 [tegra_clk_pll_m_out1] = { .dt_id = TEGRA210_CLK_PLL_M_OUT1, .present = true },
2115 [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true },
2116 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true },
2117 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true },
2118 [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true },
2119 [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true },
2120 [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true },
2121 [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true },
2122 [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true },
2123 [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true },
2124 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true },
2125 [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true },
2126 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true },
2127 [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true },
2128 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true },
2129 [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true },
2130 [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true },
2131 [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true },
2132 [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true },
2133 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true },
2134 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true },
2135 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true },
2136 [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true },
2137 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true },
2138 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true },
2139 [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true },
2140 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true },
2141 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true },
2142 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true },
2143 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true },
2144 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true },
2145 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true },
2146 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true },
2147 [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true },
2148 [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true },
2149 [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true },
2150 [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true },
2151 [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true },
2152 [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true },
2153 [tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true },
2154 [tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true },
2155 [tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true },
2156 [tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true },
2157 [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true },
2158 [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true },
2159 [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true },
2160 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true },
2161 [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true },
2162 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true },
2163 [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true },
2164 [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true },
2165 [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true },
2166 [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true },
2167 [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true },
2168 [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true },
2169 [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true },
2170 [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true },
2171 [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true },
2172 [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true },
2173 [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true },
2174 [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true },
2175 [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true },
2176 [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true },
2177 [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true },
2178 [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true },
2179 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true },
2180 [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true },
2181 [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true },
2182 [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true },
2183 [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true },
2184 [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true },
2185 [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true },
2186 [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true },
2187 [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true },
2188 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true },
2189 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true },
2190 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true },
2191 [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true },
2192 [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true },
2193 [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true },
2194 [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true },
2195 [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true },
2196 [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true },
2197 [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true },
2198 [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true },
2199 [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true },
2200 [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true },
2201 [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true },
2202 [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true },
2203 [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true },
2204 [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true },
2205 [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true },
2206 [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true },
Jon Hunter29569942016-01-28 16:33:50 +00002207 [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true },
Rhyland Klein6b301a02015-06-18 17:28:36 -04002208};
2209
2210static struct tegra_devclk devclks[] __initdata = {
2211 { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M },
2212 { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF },
2213 { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K },
2214 { .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 },
2215 { .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 },
2216 { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C },
2217 { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 },
2218 { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 },
2219 { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 },
2220 { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P },
2221 { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 },
2222 { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 },
2223 { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 },
2224 { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 },
2225 { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M },
2226 { .con_id = "pll_m_out1", .dt_id = TEGRA210_CLK_PLL_M_OUT1 },
2227 { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X },
2228 { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 },
2229 { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U },
2230 { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT },
2231 { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 },
2232 { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 },
2233 { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M },
2234 { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M },
2235 { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M },
2236 { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D },
2237 { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 },
2238 { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 },
2239 { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 },
2240 { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A },
2241 { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 },
2242 { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO },
2243 { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT },
2244 { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC },
2245 { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC },
2246 { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC },
2247 { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC },
2248 { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC },
2249 { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC },
2250 { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC },
2251 { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 },
2252 { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 },
2253 { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 },
2254 { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 },
2255 { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 },
2256 { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF },
2257 { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X },
2258 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 },
2259 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 },
2260 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 },
2261 { .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK },
2262 { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G },
2263 { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP },
2264 { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK },
2265 { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK },
2266 { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK },
2267 { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE },
2268 { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC },
2269 { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER },
2270 { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 },
2271 { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 },
2272 { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 },
2273 { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 },
2274 { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX },
2275 { .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 },
2276};
2277
2278static struct tegra_audio_clk_info tegra210_audio_plls[] = {
2279 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" },
2280 { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" },
2281};
2282
2283static struct clk **clks;
2284
2285static void tegra210_utmi_param_configure(void __iomem *clk_base)
2286{
2287 u32 reg;
2288 int i;
2289
2290 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
2291 if (osc_freq == utmi_parameters[i].osc_frequency)
2292 break;
2293 }
2294
2295 if (i >= ARRAY_SIZE(utmi_parameters)) {
2296 pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
2297 osc_freq);
2298 return;
2299 }
2300
2301 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2302 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE |
2303 PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT |
2304 PLLU_HW_PWRDN_CFG0_USE_LOCKDET;
2305 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL |
2306 PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL);
2307 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2308
2309 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2310 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE;
2311 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2312 udelay(1);
2313
2314 reg = readl_relaxed(clk_base + PLLU_BASE);
2315 reg &= ~PLLU_BASE_CLKENABLE_USB;
2316 writel_relaxed(reg, clk_base + PLLU_BASE);
2317
2318 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2319 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2320 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2321
2322 udelay(10);
2323
2324 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2325
2326 /* Program UTMIP PLL stable and active counts */
2327 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
2328 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
2329 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
2330
2331 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
2332
2333 reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].
2334 active_delay_count);
2335 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2336
2337 /* Program UTMIP PLL delay and oscillator frequency counts */
2338 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2339 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
2340
2341 reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].
2342 enable_delay_count);
2343
2344 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
2345 reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].
2346 xtal_freq_count);
2347
2348 reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
2349 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2350
2351 /* Remove power downs from UTMIP PLL control bits */
2352 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2353 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2354 reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2355 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2356 udelay(1);
2357
2358 /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
2359 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2360 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP;
2361 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP;
2362 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP;
2363 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
2364 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
2365 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN;
2366 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2367
2368 /* Setup HW control of UTMIPLL */
2369 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2370 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2371 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2372 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2373
2374 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2375 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
2376 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
2377 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2378
2379 udelay(1);
2380
2381 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2382 reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY;
2383 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2384
2385 udelay(1);
2386
2387 /* Enable HW control UTMIPLL */
2388 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2389 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
2390 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2391}
2392
2393static __init void tegra210_periph_clk_init(void __iomem *clk_base,
2394 void __iomem *pmc_base)
2395{
2396 struct clk *clk;
2397
2398 /* xusb_ss_div2 */
2399 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
2400 1, 2);
2401 clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk;
2402
2403 /* pll_d_dsi_out */
2404 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
2405 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock);
2406 clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk;
2407
2408 /* dsia */
2409 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
2410 clk_base, 0, 48,
2411 periph_clk_enb_refcnt);
2412 clks[TEGRA210_CLK_DSIA] = clk;
2413
2414 /* dsib */
2415 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
2416 clk_base, 0, 82,
2417 periph_clk_enb_refcnt);
2418 clks[TEGRA210_CLK_DSIB] = clk;
2419
2420 /* emc mux */
2421 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
2422 ARRAY_SIZE(mux_pllmcp_clkm), 0,
2423 clk_base + CLK_SOURCE_EMC,
2424 29, 3, 0, &emc_lock);
2425
2426 clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC,
2427 &emc_lock);
2428 clks[TEGRA210_CLK_MC] = clk;
2429
2430 /* cml0 */
2431 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
2432 0, 0, &pll_e_lock);
2433 clk_register_clkdev(clk, "cml0", NULL);
2434 clks[TEGRA210_CLK_CML0] = clk;
2435
2436 /* cml1 */
2437 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
2438 1, 0, &pll_e_lock);
2439 clk_register_clkdev(clk, "cml1", NULL);
2440 clks[TEGRA210_CLK_CML1] = clk;
2441
2442 tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params);
2443}
2444
2445static void __init tegra210_pll_init(void __iomem *clk_base,
2446 void __iomem *pmc)
2447{
2448 u32 val;
2449 struct clk *clk;
2450
2451 /* PLLC */
2452 clk = tegra_clk_register_pllxc_tegra210("pll_c", "pll_ref", clk_base,
2453 pmc, 0, &pll_c_params, NULL);
2454 if (!WARN_ON(IS_ERR(clk)))
2455 clk_register_clkdev(clk, "pll_c", NULL);
2456 clks[TEGRA210_CLK_PLL_C] = clk;
2457
2458 /* PLLC_OUT1 */
2459 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
2460 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
2461 8, 8, 1, NULL);
2462 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
2463 clk_base + PLLC_OUT, 1, 0,
2464 CLK_SET_RATE_PARENT, 0, NULL);
2465 clk_register_clkdev(clk, "pll_c_out1", NULL);
2466 clks[TEGRA210_CLK_PLL_C_OUT1] = clk;
2467
2468 /* PLLC_UD */
2469 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c",
2470 CLK_SET_RATE_PARENT, 1, 1);
2471 clk_register_clkdev(clk, "pll_c_ud", NULL);
2472 clks[TEGRA210_CLK_PLL_C_UD] = clk;
2473
2474 /* PLLC2 */
2475 clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base,
2476 pmc, 0, &pll_c2_params, NULL);
2477 clk_register_clkdev(clk, "pll_c2", NULL);
2478 clks[TEGRA210_CLK_PLL_C2] = clk;
2479
2480 /* PLLC3 */
2481 clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base,
2482 pmc, 0, &pll_c3_params, NULL);
2483 clk_register_clkdev(clk, "pll_c3", NULL);
2484 clks[TEGRA210_CLK_PLL_C3] = clk;
2485
2486 /* PLLM */
2487 clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc,
2488 CLK_SET_RATE_GATE, &pll_m_params, NULL);
2489 clk_register_clkdev(clk, "pll_m", NULL);
2490 clks[TEGRA210_CLK_PLL_M] = clk;
2491
2492 /* PLLMB */
2493 clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc,
2494 CLK_SET_RATE_GATE, &pll_mb_params, NULL);
2495 clk_register_clkdev(clk, "pll_mb", NULL);
2496 clks[TEGRA210_CLK_PLL_MB] = clk;
2497
2498 clk_register_clkdev(clk, "pll_m_out1", NULL);
2499 clks[TEGRA210_CLK_PLL_M_OUT1] = clk;
2500
2501 /* PLLM_UD */
2502 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
2503 CLK_SET_RATE_PARENT, 1, 1);
2504 clk_register_clkdev(clk, "pll_m_ud", NULL);
2505 clks[TEGRA210_CLK_PLL_M_UD] = clk;
2506
2507 /* PLLU_VCO */
2508 val = readl(clk_base + pll_u_vco_params.base_reg);
2509 val &= ~BIT(24); /* disable PLLU_OVERRIDE */
2510 writel(val, clk_base + pll_u_vco_params.base_reg);
2511
2512 clk = tegra_clk_register_pllre("pll_u_vco", "pll_ref", clk_base, pmc,
2513 0, &pll_u_vco_params, &pll_u_lock, pll_ref_freq);
2514 clk_register_clkdev(clk, "pll_u_vco", NULL);
2515 clks[TEGRA210_CLK_PLL_U] = clk;
2516
2517 /* PLLU_OUT */
2518 clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0,
2519 clk_base + PLLU_BASE, 16, 4, 0,
2520 pll_vco_post_div_table, NULL);
2521 clk_register_clkdev(clk, "pll_u_out", NULL);
2522 clks[TEGRA210_CLK_PLL_U_OUT] = clk;
2523
2524 /* PLLU_OUT1 */
2525 clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out",
2526 clk_base + PLLU_OUTA, 0,
2527 TEGRA_DIVIDER_ROUND_UP,
2528 8, 8, 1, &pll_u_lock);
2529 clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div",
2530 clk_base + PLLU_OUTA, 1, 0,
2531 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
2532 clk_register_clkdev(clk, "pll_u_out1", NULL);
2533 clks[TEGRA210_CLK_PLL_U_OUT1] = clk;
2534
2535 /* PLLU_OUT2 */
2536 clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out",
2537 clk_base + PLLU_OUTA, 0,
2538 TEGRA_DIVIDER_ROUND_UP,
2539 24, 8, 1, &pll_u_lock);
2540 clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div",
2541 clk_base + PLLU_OUTA, 17, 16,
2542 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
2543 clk_register_clkdev(clk, "pll_u_out2", NULL);
2544 clks[TEGRA210_CLK_PLL_U_OUT2] = clk;
2545
2546 tegra210_utmi_param_configure(clk_base);
2547
2548 /* PLLU_480M */
2549 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco",
2550 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2551 22, 0, &pll_u_lock);
2552 clk_register_clkdev(clk, "pll_u_480M", NULL);
2553 clks[TEGRA210_CLK_PLL_U_480M] = clk;
2554
2555 /* PLLU_60M */
2556 clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2",
2557 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2558 23, 0, NULL);
2559 clk_register_clkdev(clk, "pll_u_60M", NULL);
2560 clks[TEGRA210_CLK_PLL_U_60M] = clk;
2561
2562 /* PLLU_48M */
2563 clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1",
2564 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2565 25, 0, NULL);
2566 clk_register_clkdev(clk, "pll_u_48M", NULL);
2567 clks[TEGRA210_CLK_PLL_U_48M] = clk;
2568
2569 /* PLLD */
2570 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
2571 &pll_d_params, &pll_d_lock);
2572 clk_register_clkdev(clk, "pll_d", NULL);
2573 clks[TEGRA210_CLK_PLL_D] = clk;
2574
2575 /* PLLD_OUT0 */
2576 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
2577 CLK_SET_RATE_PARENT, 1, 2);
2578 clk_register_clkdev(clk, "pll_d_out0", NULL);
2579 clks[TEGRA210_CLK_PLL_D_OUT0] = clk;
2580
2581 /* PLLRE */
2582 clk = tegra_clk_register_pllre("pll_re_vco", "pll_ref", clk_base, pmc,
2583 0, &pll_re_vco_params, &pll_re_lock, pll_ref_freq);
2584 clk_register_clkdev(clk, "pll_re_vco", NULL);
2585 clks[TEGRA210_CLK_PLL_RE_VCO] = clk;
2586
2587 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
2588 clk_base + PLLRE_BASE, 16, 5, 0,
2589 pll_vco_post_div_table, &pll_re_lock);
2590 clk_register_clkdev(clk, "pll_re_out", NULL);
2591 clks[TEGRA210_CLK_PLL_RE_OUT] = clk;
2592
2593 /* PLLE */
2594 clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref",
2595 clk_base, 0, &pll_e_params, NULL);
2596 clk_register_clkdev(clk, "pll_e", NULL);
2597 clks[TEGRA210_CLK_PLL_E] = clk;
2598
2599 /* PLLC4 */
2600 clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc,
2601 0, &pll_c4_vco_params, NULL, pll_ref_freq);
2602 clk_register_clkdev(clk, "pll_c4_vco", NULL);
2603 clks[TEGRA210_CLK_PLL_C4] = clk;
2604
2605 /* PLLC4_OUT0 */
2606 clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0,
2607 clk_base + PLLC4_BASE, 19, 4, 0,
2608 pll_vco_post_div_table, NULL);
2609 clk_register_clkdev(clk, "pll_c4_out0", NULL);
2610 clks[TEGRA210_CLK_PLL_C4_OUT0] = clk;
2611
2612 /* PLLC4_OUT1 */
2613 clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco",
2614 CLK_SET_RATE_PARENT, 1, 3);
2615 clk_register_clkdev(clk, "pll_c4_out1", NULL);
2616 clks[TEGRA210_CLK_PLL_C4_OUT1] = clk;
2617
2618 /* PLLC4_OUT2 */
2619 clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco",
2620 CLK_SET_RATE_PARENT, 1, 5);
2621 clk_register_clkdev(clk, "pll_c4_out2", NULL);
2622 clks[TEGRA210_CLK_PLL_C4_OUT2] = clk;
2623
2624 /* PLLC4_OUT3 */
2625 clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0",
2626 clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
2627 8, 8, 1, NULL);
2628 clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div",
2629 clk_base + PLLC4_OUT, 1, 0,
2630 CLK_SET_RATE_PARENT, 0, NULL);
2631 clk_register_clkdev(clk, "pll_c4_out3", NULL);
2632 clks[TEGRA210_CLK_PLL_C4_OUT3] = clk;
2633
2634 /* PLLDP */
2635 clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base,
2636 0, &pll_dp_params, NULL);
2637 clk_register_clkdev(clk, "pll_dp", NULL);
2638 clks[TEGRA210_CLK_PLL_DP] = clk;
2639
2640 /* PLLD2 */
2641 clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base,
2642 0, &pll_d2_params, NULL);
2643 clk_register_clkdev(clk, "pll_d2", NULL);
2644 clks[TEGRA210_CLK_PLL_D2] = clk;
2645
2646 /* PLLD2_OUT0 */
2647 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
2648 CLK_SET_RATE_PARENT, 1, 1);
2649 clk_register_clkdev(clk, "pll_d2_out0", NULL);
2650 clks[TEGRA210_CLK_PLL_D2_OUT0] = clk;
2651
2652 /* PLLP_OUT2 */
2653 clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p",
2654 CLK_SET_RATE_PARENT, 1, 2);
2655 clk_register_clkdev(clk, "pll_p_out2", NULL);
2656 clks[TEGRA210_CLK_PLL_P_OUT2] = clk;
2657
2658}
2659
2660/* Tegra210 CPU clock and reset control functions */
2661static void tegra210_wait_cpu_in_reset(u32 cpu)
2662{
2663 unsigned int reg;
2664
2665 do {
2666 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
2667 cpu_relax();
2668 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
2669}
2670
2671static void tegra210_disable_cpu_clock(u32 cpu)
2672{
2673 /* flow controller would take care in the power sequence. */
2674}
2675
2676#ifdef CONFIG_PM_SLEEP
2677static void tegra210_cpu_clock_suspend(void)
2678{
2679 /* switch coresite to clk_m, save off original source */
2680 tegra210_cpu_clk_sctx.clk_csite_src =
2681 readl(clk_base + CLK_SOURCE_CSITE);
2682 writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
2683}
2684
2685static void tegra210_cpu_clock_resume(void)
2686{
2687 writel(tegra210_cpu_clk_sctx.clk_csite_src,
2688 clk_base + CLK_SOURCE_CSITE);
2689}
2690#endif
2691
2692static struct tegra_cpu_car_ops tegra210_cpu_car_ops = {
2693 .wait_for_reset = tegra210_wait_cpu_in_reset,
2694 .disable_clock = tegra210_disable_cpu_clock,
2695#ifdef CONFIG_PM_SLEEP
2696 .suspend = tegra210_cpu_clock_suspend,
2697 .resume = tegra210_cpu_clock_resume,
2698#endif
2699};
2700
2701static const struct of_device_id pmc_match[] __initconst = {
2702 { .compatible = "nvidia,tegra210-pmc" },
2703 { },
2704};
2705
2706static struct tegra_clk_init_table init_table[] __initdata = {
2707 { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 },
2708 { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 },
2709 { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 },
2710 { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 },
2711 { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 },
2712 { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 },
2713 { TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 },
2714 { TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 },
2715 { TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 },
2716 { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2717 { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2718 { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2719 { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2720 { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2721 { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 },
2722 { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 },
2723 { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 1 },
2724 { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 },
2725 { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 },
2726 { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 },
2727 { TEGRA210_CLK_PLL_RE_VCO, TEGRA210_CLK_CLK_MAX, 672000000, 1 },
2728 { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 },
2729 { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 },
2730 { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 },
2731 { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 },
2732 { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 },
2733 { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
2734 { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
2735 { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 },
2736 { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
2737 { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
2738 { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 },
2739 { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 },
2740 { TEGRA210_CLK_EMC, TEGRA210_CLK_CLK_MAX, 0, 1 },
2741 { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 },
2742 { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 },
2743 { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 },
2744 { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 },
2745 { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 },
2746 { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 },
2747 { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 },
2748 { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 },
2749 { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 },
2750 { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 },
2751 { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 },
2752 { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 },
2753 /* This MUST be the last entry. */
2754 { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 },
2755};
2756
2757/**
2758 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs
2759 *
2760 * Program an initial clock rate and enable or disable clocks needed
2761 * by the rest of the kernel, for Tegra210 SoCs. It is intended to be
2762 * called by assigning a pointer to it to tegra_clk_apply_init_table -
2763 * this will be called as an arch_initcall. No return value.
2764 */
2765static void __init tegra210_clock_apply_init_table(void)
2766{
2767 tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX);
2768}
2769
2770/**
2771 * tegra210_clock_init - Tegra210-specific clock initialization
2772 * @np: struct device_node * of the DT node for the SoC CAR IP block
2773 *
2774 * Register most SoC clocks for the Tegra210 system-on-chip. Intended
2775 * to be called by the OF init code when a DT node with the
2776 * "nvidia,tegra210-car" string is encountered, and declared with
2777 * CLK_OF_DECLARE. No return value.
2778 */
2779static void __init tegra210_clock_init(struct device_node *np)
2780{
2781 struct device_node *node;
2782 u32 value, clk_m_div;
2783
2784 clk_base = of_iomap(np, 0);
2785 if (!clk_base) {
2786 pr_err("ioremap tegra210 CAR failed\n");
2787 return;
2788 }
2789
2790 node = of_find_matching_node(NULL, pmc_match);
2791 if (!node) {
2792 pr_err("Failed to find pmc node\n");
2793 WARN_ON(1);
2794 return;
2795 }
2796
2797 pmc_base = of_iomap(node, 0);
2798 if (!pmc_base) {
2799 pr_err("Can't map pmc registers\n");
2800 WARN_ON(1);
2801 return;
2802 }
2803
2804 clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX,
2805 TEGRA210_CAR_BANK_COUNT);
2806 if (!clks)
2807 return;
2808
2809 value = clk_readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT;
2810 clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1;
2811
2812 if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq,
2813 ARRAY_SIZE(tegra210_input_freq), clk_m_div,
2814 &osc_freq, &pll_ref_freq) < 0)
2815 return;
2816
2817 tegra_fixed_clk_init(tegra210_clks);
2818 tegra210_pll_init(clk_base, pmc_base);
2819 tegra210_periph_clk_init(clk_base, pmc_base);
2820 tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks,
2821 tegra210_audio_plls,
2822 ARRAY_SIZE(tegra210_audio_plls));
2823 tegra_pmc_clk_init(pmc_base, tegra210_clks);
2824
2825 /* For Tegra210, PLLD is the only source for DSIA & DSIB */
2826 value = clk_readl(clk_base + PLLD_BASE);
2827 value &= ~BIT(25);
2828 clk_writel(value, clk_base + PLLD_BASE);
2829
2830 tegra_clk_apply_init_table = tegra210_clock_apply_init_table;
2831
2832 tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks,
2833 &pll_x_params);
2834 tegra_add_of_provider(np);
2835 tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
2836
2837 tegra_cpu_car_ops = &tegra210_cpu_car_ops;
2838}
2839CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init);