blob: f760f31d05c40feadb7db666f5e8cf4dd2871e58 [file] [log] [blame]
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001/*
2 * Copyright (c) 2012, 2013, 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>
Paul Walmsley25c9ded2013-06-07 06:18:58 -060024#include <linux/export.h>
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +030025#include <linux/clk/tegra.h>
Peter De Schrijverc9e2d692013-08-22 15:27:46 +030026#include <dt-bindings/clock/tegra114-car.h>
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +030027
28#include "clk.h"
Peter De Schrijver6609dbe2013-09-17 15:42:24 +030029#include "clk-id.h"
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +030030
Paul Walmsley1c472d82013-06-07 06:19:09 -060031#define RST_DFLL_DVCO 0x2F4
Paul Walmsley25c9ded2013-06-07 06:18:58 -060032#define CPU_FINETRIM_SELECT 0x4d4 /* override default prop dlys */
33#define CPU_FINETRIM_DR 0x4d8 /* rise->rise prop dly A */
34#define CPU_FINETRIM_R 0x4e4 /* rise->rise prop dly inc A */
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +030035
Paul Walmsley1c472d82013-06-07 06:19:09 -060036/* RST_DFLL_DVCO bitfields */
37#define DVFS_DFLL_RESET_SHIFT 0
38
Paul Walmsley25c9ded2013-06-07 06:18:58 -060039/* CPU_FINETRIM_SELECT and CPU_FINETRIM_DR bitfields */
40#define CPU_FINETRIM_1_FCPU_1 BIT(0) /* fcpu0 */
41#define CPU_FINETRIM_1_FCPU_2 BIT(1) /* fcpu1 */
42#define CPU_FINETRIM_1_FCPU_3 BIT(2) /* fcpu2 */
43#define CPU_FINETRIM_1_FCPU_4 BIT(3) /* fcpu3 */
44#define CPU_FINETRIM_1_FCPU_5 BIT(4) /* fl2 */
45#define CPU_FINETRIM_1_FCPU_6 BIT(5) /* ftop */
46
47/* CPU_FINETRIM_R bitfields */
48#define CPU_FINETRIM_R_FCPU_1_SHIFT 0 /* fcpu0 */
49#define CPU_FINETRIM_R_FCPU_1_MASK (0x3 << CPU_FINETRIM_R_FCPU_1_SHIFT)
50#define CPU_FINETRIM_R_FCPU_2_SHIFT 2 /* fcpu1 */
51#define CPU_FINETRIM_R_FCPU_2_MASK (0x3 << CPU_FINETRIM_R_FCPU_2_SHIFT)
52#define CPU_FINETRIM_R_FCPU_3_SHIFT 4 /* fcpu2 */
53#define CPU_FINETRIM_R_FCPU_3_MASK (0x3 << CPU_FINETRIM_R_FCPU_3_SHIFT)
54#define CPU_FINETRIM_R_FCPU_4_SHIFT 6 /* fcpu3 */
55#define CPU_FINETRIM_R_FCPU_4_MASK (0x3 << CPU_FINETRIM_R_FCPU_4_SHIFT)
56#define CPU_FINETRIM_R_FCPU_5_SHIFT 8 /* fl2 */
57#define CPU_FINETRIM_R_FCPU_5_MASK (0x3 << CPU_FINETRIM_R_FCPU_5_SHIFT)
58#define CPU_FINETRIM_R_FCPU_6_SHIFT 10 /* ftop */
59#define CPU_FINETRIM_R_FCPU_6_MASK (0x3 << CPU_FINETRIM_R_FCPU_6_SHIFT)
60
Peter De Schrijverd5ff89a2013-08-22 18:44:06 +030061#define TEGRA114_CLK_PERIPH_BANKS 5
62
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +030063#define PLLC_BASE 0x80
64#define PLLC_MISC2 0x88
65#define PLLC_MISC 0x8c
66#define PLLC2_BASE 0x4e8
67#define PLLC2_MISC 0x4ec
68#define PLLC3_BASE 0x4fc
69#define PLLC3_MISC 0x500
70#define PLLM_BASE 0x90
71#define PLLM_MISC 0x9c
72#define PLLP_BASE 0xa0
73#define PLLP_MISC 0xac
74#define PLLX_BASE 0xe0
75#define PLLX_MISC 0xe4
76#define PLLX_MISC2 0x514
77#define PLLX_MISC3 0x518
78#define PLLD_BASE 0xd0
79#define PLLD_MISC 0xdc
80#define PLLD2_BASE 0x4b8
81#define PLLD2_MISC 0x4bc
82#define PLLE_BASE 0xe8
83#define PLLE_MISC 0xec
84#define PLLA_BASE 0xb0
85#define PLLA_MISC 0xbc
86#define PLLU_BASE 0xc0
87#define PLLU_MISC 0xcc
88#define PLLRE_BASE 0x4c4
89#define PLLRE_MISC 0x4c8
90
91#define PLL_MISC_LOCK_ENABLE 18
92#define PLLC_MISC_LOCK_ENABLE 24
93#define PLLDU_MISC_LOCK_ENABLE 22
94#define PLLE_MISC_LOCK_ENABLE 9
95#define PLLRE_MISC_LOCK_ENABLE 30
96
97#define PLLC_IDDQ_BIT 26
98#define PLLX_IDDQ_BIT 3
99#define PLLRE_IDDQ_BIT 16
100
101#define PLL_BASE_LOCK BIT(27)
102#define PLLE_MISC_LOCK BIT(11)
103#define PLLRE_MISC_LOCK BIT(24)
104#define PLLCX_BASE_LOCK (BIT(26)|BIT(27))
105
106#define PLLE_AUX 0x48c
107#define PLLC_OUT 0x84
108#define PLLM_OUT 0x94
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300109
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300110#define OSC_CTRL 0x50
111#define OSC_CTRL_OSC_FREQ_SHIFT 28
112#define OSC_CTRL_PLL_REF_DIV_SHIFT 26
113
114#define PLLXC_SW_MAX_P 6
115
116#define CCLKG_BURST_POLICY 0x368
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300117
118#define UTMIP_PLL_CFG2 0x488
119#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xffff) << 6)
120#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
121#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
122#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
123#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
124
125#define UTMIP_PLL_CFG1 0x484
126#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 6)
127#define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
128#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
129#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
130#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
131#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
132#define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
133
134#define UTMIPLL_HW_PWRDN_CFG0 0x52c
135#define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25)
136#define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
137#define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
138#define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5)
139#define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4)
140#define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
141#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1)
142#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0)
143
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300144#define CLK_SOURCE_CSITE 0x1d4
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300145#define CLK_SOURCE_EMC 0x19c
146
Peter De Schrijverd53442e2013-06-06 13:47:29 +0300147/* PLLM override registers */
148#define PMC_PLLM_WB0_OVERRIDE 0x1dc
149#define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
150
Joseph Lo31972fd2013-05-20 18:39:28 +0800151/* Tegra CPU clock and reset control regs */
152#define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
153
Peter De Schrijver167d5362014-06-04 16:25:44 +0300154#define MUX8(_name, _parents, _offset, \
155 _clk_num, _gate_flags, _clk_id) \
156 TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\
157 29, MASK(3), 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP,\
158 _clk_num, _gate_flags, _clk_id, _parents##_idx, 0,\
159 NULL)
160
Joseph Load7d1142013-07-03 17:50:44 +0800161#ifdef CONFIG_PM_SLEEP
162static struct cpu_clk_suspend_context {
163 u32 clk_csite_src;
Joseph Lo0017f442013-08-12 17:40:02 +0800164 u32 cclkg_burst;
165 u32 cclkg_divider;
Joseph Load7d1142013-07-03 17:50:44 +0800166} tegra114_cpu_clk_sctx;
167#endif
168
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300169static void __iomem *clk_base;
170static void __iomem *pmc_base;
171
172static DEFINE_SPINLOCK(pll_d_lock);
173static DEFINE_SPINLOCK(pll_d2_lock);
174static DEFINE_SPINLOCK(pll_u_lock);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300175static DEFINE_SPINLOCK(pll_re_lock);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300176
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300177static struct div_nmp pllxc_nmp = {
178 .divm_shift = 0,
179 .divm_width = 8,
180 .divn_shift = 8,
181 .divn_width = 8,
182 .divp_shift = 20,
183 .divp_width = 4,
184};
185
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300186static struct pdiv_map pllxc_p[] = {
187 { .pdiv = 1, .hw_val = 0 },
188 { .pdiv = 2, .hw_val = 1 },
189 { .pdiv = 3, .hw_val = 2 },
190 { .pdiv = 4, .hw_val = 3 },
191 { .pdiv = 5, .hw_val = 4 },
192 { .pdiv = 6, .hw_val = 5 },
193 { .pdiv = 8, .hw_val = 6 },
194 { .pdiv = 10, .hw_val = 7 },
195 { .pdiv = 12, .hw_val = 8 },
196 { .pdiv = 16, .hw_val = 9 },
197 { .pdiv = 12, .hw_val = 10 },
198 { .pdiv = 16, .hw_val = 11 },
199 { .pdiv = 20, .hw_val = 12 },
200 { .pdiv = 24, .hw_val = 13 },
201 { .pdiv = 32, .hw_val = 14 },
202 { .pdiv = 0, .hw_val = 0 },
203};
204
205static struct tegra_clk_pll_freq_table pll_c_freq_table[] = {
206 { 12000000, 624000000, 104, 0, 2},
207 { 12000000, 600000000, 100, 0, 2},
208 { 13000000, 600000000, 92, 0, 2}, /* actual: 598.0 MHz */
209 { 16800000, 600000000, 71, 0, 2}, /* actual: 596.4 MHz */
210 { 19200000, 600000000, 62, 0, 2}, /* actual: 595.2 MHz */
211 { 26000000, 600000000, 92, 1, 2}, /* actual: 598.0 MHz */
212 { 0, 0, 0, 0, 0, 0 },
213};
214
215static struct tegra_clk_pll_params pll_c_params = {
216 .input_min = 12000000,
217 .input_max = 800000000,
218 .cf_min = 12000000,
219 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
220 .vco_min = 600000000,
221 .vco_max = 1400000000,
222 .base_reg = PLLC_BASE,
223 .misc_reg = PLLC_MISC,
224 .lock_mask = PLL_BASE_LOCK,
225 .lock_enable_bit_idx = PLLC_MISC_LOCK_ENABLE,
226 .lock_delay = 300,
227 .iddq_reg = PLLC_MISC,
228 .iddq_bit_idx = PLLC_IDDQ_BIT,
229 .max_p = PLLXC_SW_MAX_P,
230 .dyn_ramp_reg = PLLC_MISC2,
231 .stepa_shift = 17,
232 .stepb_shift = 9,
233 .pdiv_tohw = pllxc_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300234 .div_nmp = &pllxc_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300235 .freq_table = pll_c_freq_table,
236 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300237};
238
239static struct div_nmp pllcx_nmp = {
240 .divm_shift = 0,
241 .divm_width = 2,
242 .divn_shift = 8,
243 .divn_width = 8,
244 .divp_shift = 20,
245 .divp_width = 3,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300246};
247
248static struct pdiv_map pllc_p[] = {
249 { .pdiv = 1, .hw_val = 0 },
250 { .pdiv = 2, .hw_val = 1 },
251 { .pdiv = 4, .hw_val = 3 },
252 { .pdiv = 8, .hw_val = 5 },
253 { .pdiv = 16, .hw_val = 7 },
254 { .pdiv = 0, .hw_val = 0 },
255};
256
257static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
258 {12000000, 600000000, 100, 0, 2},
259 {13000000, 600000000, 92, 0, 2}, /* actual: 598.0 MHz */
260 {16800000, 600000000, 71, 0, 2}, /* actual: 596.4 MHz */
261 {19200000, 600000000, 62, 0, 2}, /* actual: 595.2 MHz */
262 {26000000, 600000000, 92, 1, 2}, /* actual: 598.0 MHz */
263 {0, 0, 0, 0, 0, 0},
264};
265
266static struct tegra_clk_pll_params pll_c2_params = {
267 .input_min = 12000000,
268 .input_max = 48000000,
269 .cf_min = 12000000,
270 .cf_max = 19200000,
271 .vco_min = 600000000,
272 .vco_max = 1200000000,
273 .base_reg = PLLC2_BASE,
274 .misc_reg = PLLC2_MISC,
275 .lock_mask = PLL_BASE_LOCK,
276 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
277 .lock_delay = 300,
278 .pdiv_tohw = pllc_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300279 .div_nmp = &pllcx_nmp,
280 .max_p = 7,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300281 .ext_misc_reg[0] = 0x4f0,
282 .ext_misc_reg[1] = 0x4f4,
283 .ext_misc_reg[2] = 0x4f8,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300284 .freq_table = pll_cx_freq_table,
285 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300286};
287
288static struct tegra_clk_pll_params pll_c3_params = {
289 .input_min = 12000000,
290 .input_max = 48000000,
291 .cf_min = 12000000,
292 .cf_max = 19200000,
293 .vco_min = 600000000,
294 .vco_max = 1200000000,
295 .base_reg = PLLC3_BASE,
296 .misc_reg = PLLC3_MISC,
297 .lock_mask = PLL_BASE_LOCK,
298 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
299 .lock_delay = 300,
300 .pdiv_tohw = pllc_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300301 .div_nmp = &pllcx_nmp,
302 .max_p = 7,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300303 .ext_misc_reg[0] = 0x504,
304 .ext_misc_reg[1] = 0x508,
305 .ext_misc_reg[2] = 0x50c,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300306 .freq_table = pll_cx_freq_table,
307 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300308};
309
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300310static struct div_nmp pllm_nmp = {
311 .divm_shift = 0,
312 .divm_width = 8,
Peter De Schrijverd53442e2013-06-06 13:47:29 +0300313 .override_divm_shift = 0,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300314 .divn_shift = 8,
315 .divn_width = 8,
Peter De Schrijverd53442e2013-06-06 13:47:29 +0300316 .override_divn_shift = 8,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300317 .divp_shift = 20,
318 .divp_width = 1,
Peter De Schrijverd53442e2013-06-06 13:47:29 +0300319 .override_divp_shift = 27,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300320};
321
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300322static struct pdiv_map pllm_p[] = {
323 { .pdiv = 1, .hw_val = 0 },
324 { .pdiv = 2, .hw_val = 1 },
325 { .pdiv = 0, .hw_val = 0 },
326};
327
328static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
329 {12000000, 800000000, 66, 0, 1}, /* actual: 792.0 MHz */
330 {13000000, 800000000, 61, 0, 1}, /* actual: 793.0 MHz */
331 {16800000, 800000000, 47, 0, 1}, /* actual: 789.6 MHz */
332 {19200000, 800000000, 41, 0, 1}, /* actual: 787.2 MHz */
333 {26000000, 800000000, 61, 1, 1}, /* actual: 793.0 MHz */
334 {0, 0, 0, 0, 0, 0},
335};
336
337static struct tegra_clk_pll_params pll_m_params = {
338 .input_min = 12000000,
339 .input_max = 500000000,
340 .cf_min = 12000000,
341 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
342 .vco_min = 400000000,
343 .vco_max = 1066000000,
344 .base_reg = PLLM_BASE,
345 .misc_reg = PLLM_MISC,
346 .lock_mask = PLL_BASE_LOCK,
347 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
348 .lock_delay = 300,
349 .max_p = 2,
350 .pdiv_tohw = pllm_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300351 .div_nmp = &pllm_nmp,
Peter De Schrijverd53442e2013-06-06 13:47:29 +0300352 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
353 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300354 .freq_table = pll_m_freq_table,
355 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300356};
357
358static struct div_nmp pllp_nmp = {
359 .divm_shift = 0,
360 .divm_width = 5,
361 .divn_shift = 8,
362 .divn_width = 10,
363 .divp_shift = 20,
364 .divp_width = 3,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300365};
366
367static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
368 {12000000, 216000000, 432, 12, 1, 8},
369 {13000000, 216000000, 432, 13, 1, 8},
370 {16800000, 216000000, 360, 14, 1, 8},
371 {19200000, 216000000, 360, 16, 1, 8},
372 {26000000, 216000000, 432, 26, 1, 8},
373 {0, 0, 0, 0, 0, 0},
374};
375
376static struct tegra_clk_pll_params pll_p_params = {
377 .input_min = 2000000,
378 .input_max = 31000000,
379 .cf_min = 1000000,
380 .cf_max = 6000000,
381 .vco_min = 200000000,
382 .vco_max = 700000000,
383 .base_reg = PLLP_BASE,
384 .misc_reg = PLLP_MISC,
385 .lock_mask = PLL_BASE_LOCK,
386 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
387 .lock_delay = 300,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300388 .div_nmp = &pllp_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300389 .freq_table = pll_p_freq_table,
390 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK,
391 .fixed_rate = 408000000,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300392};
393
394static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
395 {9600000, 282240000, 147, 5, 0, 4},
396 {9600000, 368640000, 192, 5, 0, 4},
397 {9600000, 240000000, 200, 8, 0, 8},
398
399 {28800000, 282240000, 245, 25, 0, 8},
400 {28800000, 368640000, 320, 25, 0, 8},
401 {28800000, 240000000, 200, 24, 0, 8},
402 {0, 0, 0, 0, 0, 0},
403};
404
405
406static struct tegra_clk_pll_params pll_a_params = {
407 .input_min = 2000000,
408 .input_max = 31000000,
409 .cf_min = 1000000,
410 .cf_max = 6000000,
411 .vco_min = 200000000,
412 .vco_max = 700000000,
413 .base_reg = PLLA_BASE,
414 .misc_reg = PLLA_MISC,
415 .lock_mask = PLL_BASE_LOCK,
416 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
417 .lock_delay = 300,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300418 .div_nmp = &pllp_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300419 .freq_table = pll_a_freq_table,
420 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300421};
422
423static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
424 {12000000, 216000000, 864, 12, 2, 12},
425 {13000000, 216000000, 864, 13, 2, 12},
426 {16800000, 216000000, 720, 14, 2, 12},
427 {19200000, 216000000, 720, 16, 2, 12},
428 {26000000, 216000000, 864, 26, 2, 12},
429
430 {12000000, 594000000, 594, 12, 0, 12},
431 {13000000, 594000000, 594, 13, 0, 12},
432 {16800000, 594000000, 495, 14, 0, 12},
433 {19200000, 594000000, 495, 16, 0, 12},
434 {26000000, 594000000, 594, 26, 0, 12},
435
436 {12000000, 1000000000, 1000, 12, 0, 12},
437 {13000000, 1000000000, 1000, 13, 0, 12},
438 {19200000, 1000000000, 625, 12, 0, 12},
439 {26000000, 1000000000, 1000, 26, 0, 12},
440
441 {0, 0, 0, 0, 0, 0},
442};
443
444static struct tegra_clk_pll_params pll_d_params = {
445 .input_min = 2000000,
446 .input_max = 40000000,
447 .cf_min = 1000000,
448 .cf_max = 6000000,
449 .vco_min = 500000000,
450 .vco_max = 1000000000,
451 .base_reg = PLLD_BASE,
452 .misc_reg = PLLD_MISC,
453 .lock_mask = PLL_BASE_LOCK,
454 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
455 .lock_delay = 1000,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300456 .div_nmp = &pllp_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300457 .freq_table = pll_d_freq_table,
458 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
459 TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300460};
461
462static struct tegra_clk_pll_params pll_d2_params = {
463 .input_min = 2000000,
464 .input_max = 40000000,
465 .cf_min = 1000000,
466 .cf_max = 6000000,
467 .vco_min = 500000000,
468 .vco_max = 1000000000,
469 .base_reg = PLLD2_BASE,
470 .misc_reg = PLLD2_MISC,
471 .lock_mask = PLL_BASE_LOCK,
472 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
473 .lock_delay = 1000,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300474 .div_nmp = &pllp_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300475 .freq_table = pll_d_freq_table,
476 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
477 TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300478};
479
480static struct pdiv_map pllu_p[] = {
481 { .pdiv = 1, .hw_val = 1 },
482 { .pdiv = 2, .hw_val = 0 },
483 { .pdiv = 0, .hw_val = 0 },
484};
485
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300486static struct div_nmp pllu_nmp = {
487 .divm_shift = 0,
488 .divm_width = 5,
489 .divn_shift = 8,
490 .divn_width = 10,
491 .divp_shift = 20,
492 .divp_width = 1,
493};
494
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300495static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
496 {12000000, 480000000, 960, 12, 0, 12},
497 {13000000, 480000000, 960, 13, 0, 12},
498 {16800000, 480000000, 400, 7, 0, 5},
499 {19200000, 480000000, 200, 4, 0, 3},
500 {26000000, 480000000, 960, 26, 0, 12},
501 {0, 0, 0, 0, 0, 0},
502};
503
504static struct tegra_clk_pll_params pll_u_params = {
505 .input_min = 2000000,
506 .input_max = 40000000,
507 .cf_min = 1000000,
508 .cf_max = 6000000,
509 .vco_min = 480000000,
510 .vco_max = 960000000,
511 .base_reg = PLLU_BASE,
512 .misc_reg = PLLU_MISC,
513 .lock_mask = PLL_BASE_LOCK,
514 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
515 .lock_delay = 1000,
516 .pdiv_tohw = pllu_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300517 .div_nmp = &pllu_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300518 .freq_table = pll_u_freq_table,
519 .flags = TEGRA_PLLU | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
520 TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300521};
522
523static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
524 /* 1 GHz */
525 {12000000, 1000000000, 83, 0, 1}, /* actual: 996.0 MHz */
526 {13000000, 1000000000, 76, 0, 1}, /* actual: 988.0 MHz */
527 {16800000, 1000000000, 59, 0, 1}, /* actual: 991.2 MHz */
528 {19200000, 1000000000, 52, 0, 1}, /* actual: 998.4 MHz */
529 {26000000, 1000000000, 76, 1, 1}, /* actual: 988.0 MHz */
530
531 {0, 0, 0, 0, 0, 0},
532};
533
534static struct tegra_clk_pll_params pll_x_params = {
535 .input_min = 12000000,
536 .input_max = 800000000,
537 .cf_min = 12000000,
538 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
539 .vco_min = 700000000,
540 .vco_max = 2400000000U,
541 .base_reg = PLLX_BASE,
542 .misc_reg = PLLX_MISC,
543 .lock_mask = PLL_BASE_LOCK,
544 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
545 .lock_delay = 300,
546 .iddq_reg = PLLX_MISC3,
547 .iddq_bit_idx = PLLX_IDDQ_BIT,
548 .max_p = PLLXC_SW_MAX_P,
549 .dyn_ramp_reg = PLLX_MISC2,
550 .stepa_shift = 16,
551 .stepb_shift = 24,
552 .pdiv_tohw = pllxc_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300553 .div_nmp = &pllxc_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300554 .freq_table = pll_x_freq_table,
555 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300556};
557
558static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
559 /* PLLE special case: use cpcon field to store cml divider value */
560 {336000000, 100000000, 100, 21, 16, 11},
561 {312000000, 100000000, 200, 26, 24, 13},
Peter De Schrijver8e9cc802013-11-25 14:44:13 +0200562 {12000000, 100000000, 200, 1, 24, 13},
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300563 {0, 0, 0, 0, 0, 0},
564};
565
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300566static struct div_nmp plle_nmp = {
567 .divm_shift = 0,
568 .divm_width = 8,
569 .divn_shift = 8,
570 .divn_width = 8,
571 .divp_shift = 24,
572 .divp_width = 4,
573};
574
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300575static struct tegra_clk_pll_params pll_e_params = {
576 .input_min = 12000000,
577 .input_max = 1000000000,
578 .cf_min = 12000000,
579 .cf_max = 75000000,
580 .vco_min = 1600000000,
581 .vco_max = 2400000000U,
582 .base_reg = PLLE_BASE,
583 .misc_reg = PLLE_MISC,
584 .aux_reg = PLLE_AUX,
585 .lock_mask = PLLE_MISC_LOCK,
586 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
587 .lock_delay = 300,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300588 .div_nmp = &plle_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300589 .freq_table = pll_e_freq_table,
590 .flags = TEGRA_PLL_FIXED,
591 .fixed_rate = 100000000,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300592};
593
594static struct div_nmp pllre_nmp = {
595 .divm_shift = 0,
596 .divm_width = 8,
597 .divn_shift = 8,
598 .divn_width = 8,
599 .divp_shift = 16,
600 .divp_width = 4,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300601};
602
603static struct tegra_clk_pll_params pll_re_vco_params = {
604 .input_min = 12000000,
605 .input_max = 1000000000,
606 .cf_min = 12000000,
607 .cf_max = 19200000, /* s/w policy, h/w capability 38 MHz */
608 .vco_min = 300000000,
609 .vco_max = 600000000,
610 .base_reg = PLLRE_BASE,
611 .misc_reg = PLLRE_MISC,
612 .lock_mask = PLLRE_MISC_LOCK,
613 .lock_enable_bit_idx = PLLRE_MISC_LOCK_ENABLE,
614 .lock_delay = 300,
615 .iddq_reg = PLLRE_MISC,
616 .iddq_bit_idx = PLLRE_IDDQ_BIT,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300617 .div_nmp = &pllre_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300618 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300619};
620
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300621/* possible OSC frequencies in Hz */
622static unsigned long tegra114_input_freq[] = {
623 [0] = 13000000,
624 [1] = 16800000,
625 [4] = 19200000,
626 [5] = 38400000,
627 [8] = 12000000,
628 [9] = 48000000,
629 [12] = 260000000,
630};
631
632#define MASK(x) (BIT(x) - 1)
633
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300634struct utmi_clk_param {
635 /* Oscillator Frequency in KHz */
636 u32 osc_frequency;
637 /* UTMIP PLL Enable Delay Count */
638 u8 enable_delay_count;
639 /* UTMIP PLL Stable count */
640 u8 stable_count;
641 /* UTMIP PLL Active delay count */
642 u8 active_delay_count;
643 /* UTMIP PLL Xtal frequency count */
644 u8 xtal_freq_count;
645};
646
647static const struct utmi_clk_param utmi_parameters[] = {
648 {.osc_frequency = 13000000, .enable_delay_count = 0x02,
649 .stable_count = 0x33, .active_delay_count = 0x05,
650 .xtal_freq_count = 0x7F},
651 {.osc_frequency = 19200000, .enable_delay_count = 0x03,
652 .stable_count = 0x4B, .active_delay_count = 0x06,
653 .xtal_freq_count = 0xBB},
654 {.osc_frequency = 12000000, .enable_delay_count = 0x02,
655 .stable_count = 0x2F, .active_delay_count = 0x04,
656 .xtal_freq_count = 0x76},
657 {.osc_frequency = 26000000, .enable_delay_count = 0x04,
658 .stable_count = 0x66, .active_delay_count = 0x09,
659 .xtal_freq_count = 0xFE},
660 {.osc_frequency = 16800000, .enable_delay_count = 0x03,
661 .stable_count = 0x41, .active_delay_count = 0x0A,
662 .xtal_freq_count = 0xA4},
663};
664
665/* peripheral mux definitions */
666
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300667static const char *mux_plld_out0_plld2_out0[] = {
668 "pll_d_out0", "pll_d2_out0",
669};
670#define mux_plld_out0_plld2_out0_idx NULL
671
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300672static const char *mux_pllmcp_clkm[] = {
673 "pll_m_out0", "pll_c_out0", "pll_p_out0", "clk_m", "pll_m_ud",
674};
675
676static const struct clk_div_table pll_re_div_table[] = {
677 { .val = 0, .div = 1 },
678 { .val = 1, .div = 2 },
679 { .val = 2, .div = 3 },
680 { .val = 3, .div = 4 },
681 { .val = 4, .div = 5 },
682 { .val = 5, .div = 6 },
683 { .val = 0, .div = 0 },
684};
685
Peter De Schrijver6609dbe2013-09-17 15:42:24 +0300686static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = {
687 [tegra_clk_rtc] = { .dt_id = TEGRA114_CLK_RTC, .present = true },
688 [tegra_clk_timer] = { .dt_id = TEGRA114_CLK_TIMER, .present = true },
689 [tegra_clk_uarta] = { .dt_id = TEGRA114_CLK_UARTA, .present = true },
690 [tegra_clk_uartd] = { .dt_id = TEGRA114_CLK_UARTD, .present = true },
Andrew Bresticker20e7c322013-12-26 16:44:25 -0800691 [tegra_clk_sdmmc2_8] = { .dt_id = TEGRA114_CLK_SDMMC2, .present = true },
Peter De Schrijver6609dbe2013-09-17 15:42:24 +0300692 [tegra_clk_i2s1] = { .dt_id = TEGRA114_CLK_I2S1, .present = true },
693 [tegra_clk_i2c1] = { .dt_id = TEGRA114_CLK_I2C1, .present = true },
694 [tegra_clk_ndflash] = { .dt_id = TEGRA114_CLK_NDFLASH, .present = true },
Andrew Bresticker20e7c322013-12-26 16:44:25 -0800695 [tegra_clk_sdmmc1_8] = { .dt_id = TEGRA114_CLK_SDMMC1, .present = true },
696 [tegra_clk_sdmmc4_8] = { .dt_id = TEGRA114_CLK_SDMMC4, .present = true },
Peter De Schrijver6609dbe2013-09-17 15:42:24 +0300697 [tegra_clk_pwm] = { .dt_id = TEGRA114_CLK_PWM, .present = true },
698 [tegra_clk_i2s0] = { .dt_id = TEGRA114_CLK_I2S0, .present = true },
699 [tegra_clk_i2s2] = { .dt_id = TEGRA114_CLK_I2S2, .present = true },
700 [tegra_clk_epp_8] = { .dt_id = TEGRA114_CLK_EPP, .present = true },
701 [tegra_clk_gr2d_8] = { .dt_id = TEGRA114_CLK_GR2D, .present = true },
702 [tegra_clk_usbd] = { .dt_id = TEGRA114_CLK_USBD, .present = true },
703 [tegra_clk_isp] = { .dt_id = TEGRA114_CLK_ISP, .present = true },
704 [tegra_clk_gr3d_8] = { .dt_id = TEGRA114_CLK_GR3D, .present = true },
705 [tegra_clk_disp2] = { .dt_id = TEGRA114_CLK_DISP2, .present = true },
706 [tegra_clk_disp1] = { .dt_id = TEGRA114_CLK_DISP1, .present = true },
707 [tegra_clk_host1x_8] = { .dt_id = TEGRA114_CLK_HOST1X, .present = true },
708 [tegra_clk_vcp] = { .dt_id = TEGRA114_CLK_VCP, .present = true },
709 [tegra_clk_apbdma] = { .dt_id = TEGRA114_CLK_APBDMA, .present = true },
710 [tegra_clk_kbc] = { .dt_id = TEGRA114_CLK_KBC, .present = true },
711 [tegra_clk_kfuse] = { .dt_id = TEGRA114_CLK_KFUSE, .present = true },
712 [tegra_clk_sbc1_8] = { .dt_id = TEGRA114_CLK_SBC1, .present = true },
713 [tegra_clk_nor] = { .dt_id = TEGRA114_CLK_NOR, .present = true },
714 [tegra_clk_sbc2_8] = { .dt_id = TEGRA114_CLK_SBC2, .present = true },
715 [tegra_clk_sbc3_8] = { .dt_id = TEGRA114_CLK_SBC3, .present = true },
716 [tegra_clk_i2c5] = { .dt_id = TEGRA114_CLK_I2C5, .present = true },
717 [tegra_clk_dsia] = { .dt_id = TEGRA114_CLK_DSIA, .present = true },
718 [tegra_clk_mipi] = { .dt_id = TEGRA114_CLK_MIPI, .present = true },
719 [tegra_clk_hdmi] = { .dt_id = TEGRA114_CLK_HDMI, .present = true },
720 [tegra_clk_csi] = { .dt_id = TEGRA114_CLK_CSI, .present = true },
721 [tegra_clk_i2c2] = { .dt_id = TEGRA114_CLK_I2C2, .present = true },
722 [tegra_clk_uartc] = { .dt_id = TEGRA114_CLK_UARTC, .present = true },
723 [tegra_clk_mipi_cal] = { .dt_id = TEGRA114_CLK_MIPI_CAL, .present = true },
724 [tegra_clk_emc] = { .dt_id = TEGRA114_CLK_EMC, .present = true },
725 [tegra_clk_usb2] = { .dt_id = TEGRA114_CLK_USB2, .present = true },
726 [tegra_clk_usb3] = { .dt_id = TEGRA114_CLK_USB3, .present = true },
727 [tegra_clk_vde_8] = { .dt_id = TEGRA114_CLK_VDE, .present = true },
728 [tegra_clk_bsea] = { .dt_id = TEGRA114_CLK_BSEA, .present = true },
729 [tegra_clk_bsev] = { .dt_id = TEGRA114_CLK_BSEV, .present = true },
730 [tegra_clk_i2c3] = { .dt_id = TEGRA114_CLK_I2C3, .present = true },
731 [tegra_clk_sbc4_8] = { .dt_id = TEGRA114_CLK_SBC4, .present = true },
Andrew Bresticker20e7c322013-12-26 16:44:25 -0800732 [tegra_clk_sdmmc3_8] = { .dt_id = TEGRA114_CLK_SDMMC3, .present = true },
Peter De Schrijver6609dbe2013-09-17 15:42:24 +0300733 [tegra_clk_owr] = { .dt_id = TEGRA114_CLK_OWR, .present = true },
734 [tegra_clk_csite] = { .dt_id = TEGRA114_CLK_CSITE, .present = true },
735 [tegra_clk_la] = { .dt_id = TEGRA114_CLK_LA, .present = true },
736 [tegra_clk_trace] = { .dt_id = TEGRA114_CLK_TRACE, .present = true },
737 [tegra_clk_soc_therm] = { .dt_id = TEGRA114_CLK_SOC_THERM, .present = true },
738 [tegra_clk_dtv] = { .dt_id = TEGRA114_CLK_DTV, .present = true },
739 [tegra_clk_ndspeed] = { .dt_id = TEGRA114_CLK_NDSPEED, .present = true },
740 [tegra_clk_i2cslow] = { .dt_id = TEGRA114_CLK_I2CSLOW, .present = true },
741 [tegra_clk_dsib] = { .dt_id = TEGRA114_CLK_DSIB, .present = true },
742 [tegra_clk_tsec] = { .dt_id = TEGRA114_CLK_TSEC, .present = true },
743 [tegra_clk_xusb_host] = { .dt_id = TEGRA114_CLK_XUSB_HOST, .present = true },
744 [tegra_clk_msenc] = { .dt_id = TEGRA114_CLK_MSENC, .present = true },
745 [tegra_clk_csus] = { .dt_id = TEGRA114_CLK_CSUS, .present = true },
746 [tegra_clk_mselect] = { .dt_id = TEGRA114_CLK_MSELECT, .present = true },
747 [tegra_clk_tsensor] = { .dt_id = TEGRA114_CLK_TSENSOR, .present = true },
748 [tegra_clk_i2s3] = { .dt_id = TEGRA114_CLK_I2S3, .present = true },
749 [tegra_clk_i2s4] = { .dt_id = TEGRA114_CLK_I2S4, .present = true },
750 [tegra_clk_i2c4] = { .dt_id = TEGRA114_CLK_I2C4, .present = true },
751 [tegra_clk_sbc5_8] = { .dt_id = TEGRA114_CLK_SBC5, .present = true },
752 [tegra_clk_sbc6_8] = { .dt_id = TEGRA114_CLK_SBC6, .present = true },
753 [tegra_clk_d_audio] = { .dt_id = TEGRA114_CLK_D_AUDIO, .present = true },
754 [tegra_clk_apbif] = { .dt_id = TEGRA114_CLK_APBIF, .present = true },
755 [tegra_clk_dam0] = { .dt_id = TEGRA114_CLK_DAM0, .present = true },
756 [tegra_clk_dam1] = { .dt_id = TEGRA114_CLK_DAM1, .present = true },
757 [tegra_clk_dam2] = { .dt_id = TEGRA114_CLK_DAM2, .present = true },
758 [tegra_clk_hda2codec_2x] = { .dt_id = TEGRA114_CLK_HDA2CODEC_2X, .present = true },
759 [tegra_clk_audio0_2x] = { .dt_id = TEGRA114_CLK_AUDIO0_2X, .present = true },
760 [tegra_clk_audio1_2x] = { .dt_id = TEGRA114_CLK_AUDIO1_2X, .present = true },
761 [tegra_clk_audio2_2x] = { .dt_id = TEGRA114_CLK_AUDIO2_2X, .present = true },
762 [tegra_clk_audio3_2x] = { .dt_id = TEGRA114_CLK_AUDIO3_2X, .present = true },
763 [tegra_clk_audio4_2x] = { .dt_id = TEGRA114_CLK_AUDIO4_2X, .present = true },
764 [tegra_clk_spdif_2x] = { .dt_id = TEGRA114_CLK_SPDIF_2X, .present = true },
765 [tegra_clk_actmon] = { .dt_id = TEGRA114_CLK_ACTMON, .present = true },
766 [tegra_clk_extern1] = { .dt_id = TEGRA114_CLK_EXTERN1, .present = true },
767 [tegra_clk_extern2] = { .dt_id = TEGRA114_CLK_EXTERN2, .present = true },
768 [tegra_clk_extern3] = { .dt_id = TEGRA114_CLK_EXTERN3, .present = true },
769 [tegra_clk_hda] = { .dt_id = TEGRA114_CLK_HDA, .present = true },
770 [tegra_clk_se] = { .dt_id = TEGRA114_CLK_SE, .present = true },
771 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA114_CLK_HDA2HDMI, .present = true },
772 [tegra_clk_cilab] = { .dt_id = TEGRA114_CLK_CILAB, .present = true },
773 [tegra_clk_cilcd] = { .dt_id = TEGRA114_CLK_CILCD, .present = true },
774 [tegra_clk_cile] = { .dt_id = TEGRA114_CLK_CILE, .present = true },
775 [tegra_clk_dsialp] = { .dt_id = TEGRA114_CLK_DSIALP, .present = true },
776 [tegra_clk_dsiblp] = { .dt_id = TEGRA114_CLK_DSIBLP, .present = true },
777 [tegra_clk_dds] = { .dt_id = TEGRA114_CLK_DDS, .present = true },
778 [tegra_clk_dp2] = { .dt_id = TEGRA114_CLK_DP2, .present = true },
779 [tegra_clk_amx] = { .dt_id = TEGRA114_CLK_AMX, .present = true },
780 [tegra_clk_adx] = { .dt_id = TEGRA114_CLK_ADX, .present = true },
781 [tegra_clk_xusb_ss] = { .dt_id = TEGRA114_CLK_XUSB_SS, .present = true },
782 [tegra_clk_uartb] = { .dt_id = TEGRA114_CLK_UARTB, .present = true },
783 [tegra_clk_vfir] = { .dt_id = TEGRA114_CLK_VFIR, .present = true },
784 [tegra_clk_spdif_in] = { .dt_id = TEGRA114_CLK_SPDIF_IN, .present = true },
785 [tegra_clk_spdif_out] = { .dt_id = TEGRA114_CLK_SPDIF_OUT, .present = true },
786 [tegra_clk_vi_8] = { .dt_id = TEGRA114_CLK_VI, .present = true },
Peter De Schrijver6609dbe2013-09-17 15:42:24 +0300787 [tegra_clk_fuse] = { .dt_id = TEGRA114_CLK_FUSE, .present = true },
788 [tegra_clk_fuse_burn] = { .dt_id = TEGRA114_CLK_FUSE_BURN, .present = true },
789 [tegra_clk_clk_32k] = { .dt_id = TEGRA114_CLK_CLK_32K, .present = true },
790 [tegra_clk_clk_m] = { .dt_id = TEGRA114_CLK_CLK_M, .present = true },
791 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA114_CLK_CLK_M_DIV2, .present = true },
792 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA114_CLK_CLK_M_DIV4, .present = true },
793 [tegra_clk_pll_ref] = { .dt_id = TEGRA114_CLK_PLL_REF, .present = true },
794 [tegra_clk_pll_c] = { .dt_id = TEGRA114_CLK_PLL_C, .present = true },
795 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA114_CLK_PLL_C_OUT1, .present = true },
796 [tegra_clk_pll_c2] = { .dt_id = TEGRA114_CLK_PLL_C2, .present = true },
797 [tegra_clk_pll_c3] = { .dt_id = TEGRA114_CLK_PLL_C3, .present = true },
798 [tegra_clk_pll_m] = { .dt_id = TEGRA114_CLK_PLL_M, .present = true },
799 [tegra_clk_pll_m_out1] = { .dt_id = TEGRA114_CLK_PLL_M_OUT1, .present = true },
800 [tegra_clk_pll_p] = { .dt_id = TEGRA114_CLK_PLL_P, .present = true },
801 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA114_CLK_PLL_P_OUT1, .present = true },
802 [tegra_clk_pll_p_out2_int] = { .dt_id = TEGRA114_CLK_PLL_P_OUT2, .present = true },
803 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA114_CLK_PLL_P_OUT3, .present = true },
804 [tegra_clk_pll_p_out4] = { .dt_id = TEGRA114_CLK_PLL_P_OUT4, .present = true },
805 [tegra_clk_pll_a] = { .dt_id = TEGRA114_CLK_PLL_A, .present = true },
806 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA114_CLK_PLL_A_OUT0, .present = true },
807 [tegra_clk_pll_d] = { .dt_id = TEGRA114_CLK_PLL_D, .present = true },
808 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA114_CLK_PLL_D_OUT0, .present = true },
809 [tegra_clk_pll_d2] = { .dt_id = TEGRA114_CLK_PLL_D2, .present = true },
810 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA114_CLK_PLL_D2_OUT0, .present = true },
811 [tegra_clk_pll_u] = { .dt_id = TEGRA114_CLK_PLL_U, .present = true },
812 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA114_CLK_PLL_U_480M, .present = true },
813 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA114_CLK_PLL_U_60M, .present = true },
814 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA114_CLK_PLL_U_48M, .present = true },
815 [tegra_clk_pll_u_12m] = { .dt_id = TEGRA114_CLK_PLL_U_12M, .present = true },
816 [tegra_clk_pll_x] = { .dt_id = TEGRA114_CLK_PLL_X, .present = true },
817 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA114_CLK_PLL_X_OUT0, .present = true },
818 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA114_CLK_PLL_RE_VCO, .present = true },
819 [tegra_clk_pll_re_out] = { .dt_id = TEGRA114_CLK_PLL_RE_OUT, .present = true },
820 [tegra_clk_pll_e_out0] = { .dt_id = TEGRA114_CLK_PLL_E_OUT0, .present = true },
821 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA114_CLK_SPDIF_IN_SYNC, .present = true },
822 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA114_CLK_I2S0_SYNC, .present = true },
823 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA114_CLK_I2S1_SYNC, .present = true },
824 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA114_CLK_I2S2_SYNC, .present = true },
825 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA114_CLK_I2S3_SYNC, .present = true },
826 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA114_CLK_I2S4_SYNC, .present = true },
827 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA114_CLK_VIMCLK_SYNC, .present = true },
828 [tegra_clk_audio0] = { .dt_id = TEGRA114_CLK_AUDIO0, .present = true },
829 [tegra_clk_audio1] = { .dt_id = TEGRA114_CLK_AUDIO1, .present = true },
830 [tegra_clk_audio2] = { .dt_id = TEGRA114_CLK_AUDIO2, .present = true },
831 [tegra_clk_audio3] = { .dt_id = TEGRA114_CLK_AUDIO3, .present = true },
832 [tegra_clk_audio4] = { .dt_id = TEGRA114_CLK_AUDIO4, .present = true },
833 [tegra_clk_spdif] = { .dt_id = TEGRA114_CLK_SPDIF, .present = true },
834 [tegra_clk_clk_out_1] = { .dt_id = TEGRA114_CLK_CLK_OUT_1, .present = true },
835 [tegra_clk_clk_out_2] = { .dt_id = TEGRA114_CLK_CLK_OUT_2, .present = true },
836 [tegra_clk_clk_out_3] = { .dt_id = TEGRA114_CLK_CLK_OUT_3, .present = true },
837 [tegra_clk_blink] = { .dt_id = TEGRA114_CLK_BLINK, .present = true },
838 [tegra_clk_xusb_host_src] = { .dt_id = TEGRA114_CLK_XUSB_HOST_SRC, .present = true },
839 [tegra_clk_xusb_falcon_src] = { .dt_id = TEGRA114_CLK_XUSB_FALCON_SRC, .present = true },
840 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA114_CLK_XUSB_FS_SRC, .present = true },
841 [tegra_clk_xusb_ss_src] = { .dt_id = TEGRA114_CLK_XUSB_SS_SRC, .present = true },
Andrew Bresticker5c992af2014-05-14 17:32:59 -0700842 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA114_CLK_XUSB_SS_DIV2, .present = true},
Peter De Schrijver6609dbe2013-09-17 15:42:24 +0300843 [tegra_clk_xusb_dev_src] = { .dt_id = TEGRA114_CLK_XUSB_DEV_SRC, .present = true },
844 [tegra_clk_xusb_dev] = { .dt_id = TEGRA114_CLK_XUSB_DEV, .present = true },
845 [tegra_clk_xusb_hs_src] = { .dt_id = TEGRA114_CLK_XUSB_HS_SRC, .present = true },
846 [tegra_clk_sclk] = { .dt_id = TEGRA114_CLK_SCLK, .present = true },
847 [tegra_clk_hclk] = { .dt_id = TEGRA114_CLK_HCLK, .present = true },
848 [tegra_clk_pclk] = { .dt_id = TEGRA114_CLK_PCLK, .present = true },
849 [tegra_clk_cclk_g] = { .dt_id = TEGRA114_CLK_CCLK_G, .present = true },
850 [tegra_clk_cclk_lp] = { .dt_id = TEGRA114_CLK_CCLK_LP, .present = true },
851 [tegra_clk_dfll_ref] = { .dt_id = TEGRA114_CLK_DFLL_REF, .present = true },
852 [tegra_clk_dfll_soc] = { .dt_id = TEGRA114_CLK_DFLL_SOC, .present = true },
853 [tegra_clk_audio0_mux] = { .dt_id = TEGRA114_CLK_AUDIO0_MUX, .present = true },
854 [tegra_clk_audio1_mux] = { .dt_id = TEGRA114_CLK_AUDIO1_MUX, .present = true },
855 [tegra_clk_audio2_mux] = { .dt_id = TEGRA114_CLK_AUDIO2_MUX, .present = true },
856 [tegra_clk_audio3_mux] = { .dt_id = TEGRA114_CLK_AUDIO3_MUX, .present = true },
857 [tegra_clk_audio4_mux] = { .dt_id = TEGRA114_CLK_AUDIO4_MUX, .present = true },
858 [tegra_clk_spdif_mux] = { .dt_id = TEGRA114_CLK_SPDIF_MUX, .present = true },
859 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_1_MUX, .present = true },
860 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_2_MUX, .present = true },
861 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_3_MUX, .present = true },
862 [tegra_clk_dsia_mux] = { .dt_id = TEGRA114_CLK_DSIA_MUX, .present = true },
863 [tegra_clk_dsib_mux] = { .dt_id = TEGRA114_CLK_DSIB_MUX, .present = true },
864};
865
Peter De Schrijver73d37e42013-10-09 14:47:57 +0300866static struct tegra_devclk devclks[] __initdata = {
867 { .con_id = "clk_m", .dt_id = TEGRA114_CLK_CLK_M },
868 { .con_id = "pll_ref", .dt_id = TEGRA114_CLK_PLL_REF },
869 { .con_id = "clk_32k", .dt_id = TEGRA114_CLK_CLK_32K },
870 { .con_id = "clk_m_div2", .dt_id = TEGRA114_CLK_CLK_M_DIV2 },
871 { .con_id = "clk_m_div4", .dt_id = TEGRA114_CLK_CLK_M_DIV4 },
872 { .con_id = "pll_c", .dt_id = TEGRA114_CLK_PLL_C },
873 { .con_id = "pll_c_out1", .dt_id = TEGRA114_CLK_PLL_C_OUT1 },
874 { .con_id = "pll_c2", .dt_id = TEGRA114_CLK_PLL_C2 },
875 { .con_id = "pll_c3", .dt_id = TEGRA114_CLK_PLL_C3 },
876 { .con_id = "pll_p", .dt_id = TEGRA114_CLK_PLL_P },
877 { .con_id = "pll_p_out1", .dt_id = TEGRA114_CLK_PLL_P_OUT1 },
878 { .con_id = "pll_p_out2", .dt_id = TEGRA114_CLK_PLL_P_OUT2 },
879 { .con_id = "pll_p_out3", .dt_id = TEGRA114_CLK_PLL_P_OUT3 },
880 { .con_id = "pll_p_out4", .dt_id = TEGRA114_CLK_PLL_P_OUT4 },
881 { .con_id = "pll_m", .dt_id = TEGRA114_CLK_PLL_M },
882 { .con_id = "pll_m_out1", .dt_id = TEGRA114_CLK_PLL_M_OUT1 },
883 { .con_id = "pll_x", .dt_id = TEGRA114_CLK_PLL_X },
884 { .con_id = "pll_x_out0", .dt_id = TEGRA114_CLK_PLL_X_OUT0 },
885 { .con_id = "pll_u", .dt_id = TEGRA114_CLK_PLL_U },
886 { .con_id = "pll_u_480M", .dt_id = TEGRA114_CLK_PLL_U_480M },
887 { .con_id = "pll_u_60M", .dt_id = TEGRA114_CLK_PLL_U_60M },
888 { .con_id = "pll_u_48M", .dt_id = TEGRA114_CLK_PLL_U_48M },
889 { .con_id = "pll_u_12M", .dt_id = TEGRA114_CLK_PLL_U_12M },
890 { .con_id = "pll_d", .dt_id = TEGRA114_CLK_PLL_D },
891 { .con_id = "pll_d_out0", .dt_id = TEGRA114_CLK_PLL_D_OUT0 },
892 { .con_id = "pll_d2", .dt_id = TEGRA114_CLK_PLL_D2 },
893 { .con_id = "pll_d2_out0", .dt_id = TEGRA114_CLK_PLL_D2_OUT0 },
894 { .con_id = "pll_a", .dt_id = TEGRA114_CLK_PLL_A },
895 { .con_id = "pll_a_out0", .dt_id = TEGRA114_CLK_PLL_A_OUT0 },
896 { .con_id = "pll_re_vco", .dt_id = TEGRA114_CLK_PLL_RE_VCO },
897 { .con_id = "pll_re_out", .dt_id = TEGRA114_CLK_PLL_RE_OUT },
898 { .con_id = "pll_e_out0", .dt_id = TEGRA114_CLK_PLL_E_OUT0 },
899 { .con_id = "spdif_in_sync", .dt_id = TEGRA114_CLK_SPDIF_IN_SYNC },
900 { .con_id = "i2s0_sync", .dt_id = TEGRA114_CLK_I2S0_SYNC },
901 { .con_id = "i2s1_sync", .dt_id = TEGRA114_CLK_I2S1_SYNC },
902 { .con_id = "i2s2_sync", .dt_id = TEGRA114_CLK_I2S2_SYNC },
903 { .con_id = "i2s3_sync", .dt_id = TEGRA114_CLK_I2S3_SYNC },
904 { .con_id = "i2s4_sync", .dt_id = TEGRA114_CLK_I2S4_SYNC },
905 { .con_id = "vimclk_sync", .dt_id = TEGRA114_CLK_VIMCLK_SYNC },
906 { .con_id = "audio0", .dt_id = TEGRA114_CLK_AUDIO0 },
907 { .con_id = "audio1", .dt_id = TEGRA114_CLK_AUDIO1 },
908 { .con_id = "audio2", .dt_id = TEGRA114_CLK_AUDIO2 },
909 { .con_id = "audio3", .dt_id = TEGRA114_CLK_AUDIO3 },
910 { .con_id = "audio4", .dt_id = TEGRA114_CLK_AUDIO4 },
911 { .con_id = "spdif", .dt_id = TEGRA114_CLK_SPDIF },
912 { .con_id = "audio0_2x", .dt_id = TEGRA114_CLK_AUDIO0_2X },
913 { .con_id = "audio1_2x", .dt_id = TEGRA114_CLK_AUDIO1_2X },
914 { .con_id = "audio2_2x", .dt_id = TEGRA114_CLK_AUDIO2_2X },
915 { .con_id = "audio3_2x", .dt_id = TEGRA114_CLK_AUDIO3_2X },
916 { .con_id = "audio4_2x", .dt_id = TEGRA114_CLK_AUDIO4_2X },
917 { .con_id = "spdif_2x", .dt_id = TEGRA114_CLK_SPDIF_2X },
918 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA114_CLK_EXTERN1 },
919 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA114_CLK_EXTERN2 },
920 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA114_CLK_EXTERN3 },
921 { .con_id = "blink", .dt_id = TEGRA114_CLK_BLINK },
922 { .con_id = "cclk_g", .dt_id = TEGRA114_CLK_CCLK_G },
923 { .con_id = "cclk_lp", .dt_id = TEGRA114_CLK_CCLK_LP },
924 { .con_id = "sclk", .dt_id = TEGRA114_CLK_SCLK },
925 { .con_id = "hclk", .dt_id = TEGRA114_CLK_HCLK },
926 { .con_id = "pclk", .dt_id = TEGRA114_CLK_PCLK },
Alexandre Courbot5ab5d402013-11-21 03:38:10 +0100927 { .con_id = "fuse", .dt_id = TEGRA114_CLK_FUSE },
Peter De Schrijver73d37e42013-10-09 14:47:57 +0300928 { .dev_id = "rtc-tegra", .dt_id = TEGRA114_CLK_RTC },
929 { .dev_id = "timer", .dt_id = TEGRA114_CLK_TIMER },
930};
931
Peter De Schrijver167d5362014-06-04 16:25:44 +0300932static const char *mux_pllm_pllc2_c_c3_pllp_plla[] = {
933 "pll_m", "pll_c2", "pll_c", "pll_c3", "pll_p", "pll_a_out0"
934};
935static u32 mux_pllm_pllc2_c_c3_pllp_plla_idx[] = {
936 [0] = 0, [1] = 1, [2] = 2, [3] = 3, [4] = 4, [5] = 6,
937};
938
Peter De Schrijver343a6072013-09-02 15:22:02 +0300939static struct clk **clks;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300940
941static unsigned long osc_freq;
942static unsigned long pll_ref_freq;
943
944static int __init tegra114_osc_clk_init(void __iomem *clk_base)
945{
946 struct clk *clk;
947 u32 val, pll_ref_div;
948
949 val = readl_relaxed(clk_base + OSC_CTRL);
950
951 osc_freq = tegra114_input_freq[val >> OSC_CTRL_OSC_FREQ_SHIFT];
952 if (!osc_freq) {
953 WARN_ON(1);
954 return -EINVAL;
955 }
956
957 /* clk_m */
958 clk = clk_register_fixed_rate(NULL, "clk_m", NULL, CLK_IS_ROOT,
959 osc_freq);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +0300960 clks[TEGRA114_CLK_CLK_M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300961
962 /* pll_ref */
963 val = (val >> OSC_CTRL_PLL_REF_DIV_SHIFT) & 3;
964 pll_ref_div = 1 << val;
965 clk = clk_register_fixed_factor(NULL, "pll_ref", "clk_m",
966 CLK_SET_RATE_PARENT, 1, pll_ref_div);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +0300967 clks[TEGRA114_CLK_PLL_REF] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300968
969 pll_ref_freq = osc_freq / pll_ref_div;
970
971 return 0;
972}
973
974static void __init tegra114_fixed_clk_init(void __iomem *clk_base)
975{
976 struct clk *clk;
977
978 /* clk_32k */
979 clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, CLK_IS_ROOT,
980 32768);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +0300981 clks[TEGRA114_CLK_CLK_32K] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300982
983 /* clk_m_div2 */
984 clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m",
985 CLK_SET_RATE_PARENT, 1, 2);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +0300986 clks[TEGRA114_CLK_CLK_M_DIV2] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300987
988 /* clk_m_div4 */
989 clk = clk_register_fixed_factor(NULL, "clk_m_div4", "clk_m",
990 CLK_SET_RATE_PARENT, 1, 4);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +0300991 clks[TEGRA114_CLK_CLK_M_DIV4] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300992
993}
994
995static __init void tegra114_utmi_param_configure(void __iomem *clk_base)
996{
997 u32 reg;
998 int i;
999
1000 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
1001 if (osc_freq == utmi_parameters[i].osc_frequency)
1002 break;
1003 }
1004
1005 if (i >= ARRAY_SIZE(utmi_parameters)) {
1006 pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
1007 osc_freq);
1008 return;
1009 }
1010
1011 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
1012
1013 /* Program UTMIP PLL stable and active counts */
1014 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
1015 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
1016 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
1017
1018 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
1019
1020 reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].
1021 active_delay_count);
1022
1023 /* Remove power downs from UTMIP PLL control bits */
1024 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
1025 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
1026 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
1027
1028 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
1029
1030 /* Program UTMIP PLL delay and oscillator frequency counts */
1031 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
1032 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
1033
1034 reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].
1035 enable_delay_count);
1036
1037 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
1038 reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].
1039 xtal_freq_count);
1040
1041 /* Remove power downs from UTMIP PLL control bits */
1042 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
1043 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
1044 reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP;
1045 reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
1046 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
1047
1048 /* Setup HW control of UTMIPLL */
1049 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
1050 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
1051 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
1052 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE;
1053 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
1054
1055 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
1056 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
1057 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
1058 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
1059
1060 udelay(1);
1061
1062 /* Setup SW override of UTMIPLL assuming USB2.0
1063 ports are assigned to USB2 */
1064 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
1065 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL;
1066 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
1067 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
1068
1069 udelay(1);
1070
1071 /* Enable HW control UTMIPLL */
1072 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
1073 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
1074 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
1075}
1076
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001077static void __init tegra114_pll_init(void __iomem *clk_base,
1078 void __iomem *pmc)
1079{
1080 u32 val;
1081 struct clk *clk;
1082
1083 /* PLLC */
Peter De Schrijver04edb092013-09-06 14:37:37 +03001084 clk = tegra_clk_register_pllxc("pll_c", "pll_ref", clk_base,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001085 pmc, 0, &pll_c_params, NULL);
Peter De Schrijver04edb092013-09-06 14:37:37 +03001086 clks[TEGRA114_CLK_PLL_C] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001087
Peter De Schrijver04edb092013-09-06 14:37:37 +03001088 /* PLLC_OUT1 */
1089 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
1090 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
1091 8, 8, 1, NULL);
1092 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
1093 clk_base + PLLC_OUT, 1, 0,
1094 CLK_SET_RATE_PARENT, 0, NULL);
Peter De Schrijver04edb092013-09-06 14:37:37 +03001095 clks[TEGRA114_CLK_PLL_C_OUT1] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001096
1097 /* PLLC2 */
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001098 clk = tegra_clk_register_pllc("pll_c2", "pll_ref", clk_base, pmc, 0,
1099 &pll_c2_params, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001100 clks[TEGRA114_CLK_PLL_C2] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001101
1102 /* PLLC3 */
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001103 clk = tegra_clk_register_pllc("pll_c3", "pll_ref", clk_base, pmc, 0,
1104 &pll_c3_params, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001105 clks[TEGRA114_CLK_PLL_C3] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001106
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001107 /* PLLM */
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001108 clk = tegra_clk_register_pllm("pll_m", "pll_ref", clk_base, pmc,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001109 CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE,
1110 &pll_m_params, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001111 clks[TEGRA114_CLK_PLL_M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001112
1113 /* PLLM_OUT1 */
1114 clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m",
1115 clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
1116 8, 8, 1, NULL);
1117 clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div",
1118 clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED |
1119 CLK_SET_RATE_PARENT, 0, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001120 clks[TEGRA114_CLK_PLL_M_OUT1] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001121
1122 /* PLLM_UD */
1123 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
1124 CLK_SET_RATE_PARENT, 1, 1);
1125
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001126 /* PLLU */
1127 val = readl(clk_base + pll_u_params.base_reg);
1128 val &= ~BIT(24); /* disable PLLU_OVERRIDE */
1129 writel(val, clk_base + pll_u_params.base_reg);
1130
1131 clk = tegra_clk_register_pll("pll_u", "pll_ref", clk_base, pmc, 0,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001132 &pll_u_params, &pll_u_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001133 clks[TEGRA114_CLK_PLL_U] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001134
1135 tegra114_utmi_param_configure(clk_base);
1136
1137 /* PLLU_480M */
1138 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u",
1139 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
1140 22, 0, &pll_u_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001141 clks[TEGRA114_CLK_PLL_U_480M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001142
1143 /* PLLU_60M */
1144 clk = clk_register_fixed_factor(NULL, "pll_u_60M", "pll_u",
1145 CLK_SET_RATE_PARENT, 1, 8);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001146 clks[TEGRA114_CLK_PLL_U_60M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001147
1148 /* PLLU_48M */
1149 clk = clk_register_fixed_factor(NULL, "pll_u_48M", "pll_u",
1150 CLK_SET_RATE_PARENT, 1, 10);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001151 clks[TEGRA114_CLK_PLL_U_48M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001152
1153 /* PLLU_12M */
1154 clk = clk_register_fixed_factor(NULL, "pll_u_12M", "pll_u",
1155 CLK_SET_RATE_PARENT, 1, 40);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001156 clks[TEGRA114_CLK_PLL_U_12M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001157
1158 /* PLLD */
1159 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001160 &pll_d_params, &pll_d_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001161 clks[TEGRA114_CLK_PLL_D] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001162
1163 /* PLLD_OUT0 */
1164 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
1165 CLK_SET_RATE_PARENT, 1, 2);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001166 clks[TEGRA114_CLK_PLL_D_OUT0] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001167
1168 /* PLLD2 */
1169 clk = tegra_clk_register_pll("pll_d2", "pll_ref", clk_base, pmc, 0,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001170 &pll_d2_params, &pll_d2_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001171 clks[TEGRA114_CLK_PLL_D2] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001172
1173 /* PLLD2_OUT0 */
1174 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
1175 CLK_SET_RATE_PARENT, 1, 2);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001176 clks[TEGRA114_CLK_PLL_D2_OUT0] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001177
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001178 /* PLLRE */
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001179 clk = tegra_clk_register_pllre("pll_re_vco", "pll_ref", clk_base, pmc,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001180 0, &pll_re_vco_params, &pll_re_lock, pll_ref_freq);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001181 clks[TEGRA114_CLK_PLL_RE_VCO] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001182
1183 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
1184 clk_base + PLLRE_BASE, 16, 4, 0,
1185 pll_re_div_table, &pll_re_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001186 clks[TEGRA114_CLK_PLL_RE_OUT] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001187
1188 /* PLLE */
Peter De Schrijver8e9cc802013-11-25 14:44:13 +02001189 clk = tegra_clk_register_plle_tegra114("pll_e_out0", "pll_ref",
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001190 clk_base, 0, &pll_e_params, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001191 clks[TEGRA114_CLK_PLL_E_OUT0] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001192}
1193
Peter De Schrijver167d5362014-06-04 16:25:44 +03001194#define CLK_SOURCE_VI_SENSOR 0x1a8
1195
1196static struct tegra_periph_init_data tegra_periph_clk_list[] = {
1197 MUX8("vi_sensor", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_VI_SENSOR, 20, TEGRA_PERIPH_NO_RESET, TEGRA114_CLK_VI_SENSOR),
1198};
1199
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001200static __init void tegra114_periph_clk_init(void __iomem *clk_base,
1201 void __iomem *pmc_base)
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001202{
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001203 struct clk *clk;
Peter De Schrijver167d5362014-06-04 16:25:44 +03001204 struct tegra_periph_init_data *data;
1205 int i;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001206
Andrew Bresticker5c992af2014-05-14 17:32:59 -07001207 /* xusb_ss_div2 */
1208 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
1209 1, 2);
1210 clks[TEGRA114_CLK_XUSB_SS_DIV2] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001211
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001212 /* dsia mux */
1213 clk = clk_register_mux(NULL, "dsia_mux", mux_plld_out0_plld2_out0,
1214 ARRAY_SIZE(mux_plld_out0_plld2_out0),
1215 CLK_SET_RATE_NO_REPARENT,
1216 clk_base + PLLD_BASE, 25, 1, 0, &pll_d_lock);
1217 clks[TEGRA114_CLK_DSIA_MUX] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001218
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001219 /* dsib mux */
1220 clk = clk_register_mux(NULL, "dsib_mux", mux_plld_out0_plld2_out0,
1221 ARRAY_SIZE(mux_plld_out0_plld2_out0),
1222 CLK_SET_RATE_NO_REPARENT,
1223 clk_base + PLLD2_BASE, 25, 1, 0, &pll_d2_lock);
1224 clks[TEGRA114_CLK_DSIB_MUX] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001225
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001226 /* emc mux */
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001227 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
James Hogan819c1de2013-07-29 12:25:01 +01001228 ARRAY_SIZE(mux_pllmcp_clkm),
1229 CLK_SET_RATE_NO_REPARENT,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001230 clk_base + CLK_SOURCE_EMC,
1231 29, 3, 0, NULL);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001232
Peter De Schrijver167d5362014-06-04 16:25:44 +03001233 for (i = 0; i < ARRAY_SIZE(tegra_periph_clk_list); i++) {
1234 data = &tegra_periph_clk_list[i];
1235 clk = tegra_clk_register_periph(data->name,
1236 data->p.parent_names, data->num_parents,
1237 &data->periph, clk_base, data->offset, data->flags);
1238 clks[data->clk_id] = clk;
1239 }
1240
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001241 tegra_periph_clk_init(clk_base, pmc_base, tegra114_clks,
1242 &pll_p_params);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001243}
1244
Joseph Lo31972fd2013-05-20 18:39:28 +08001245/* Tegra114 CPU clock and reset control functions */
1246static void tegra114_wait_cpu_in_reset(u32 cpu)
1247{
1248 unsigned int reg;
1249
1250 do {
1251 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
1252 cpu_relax();
1253 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
1254}
1255static void tegra114_disable_cpu_clock(u32 cpu)
1256{
1257 /* flow controller would take care in the power sequence. */
1258}
1259
Joseph Load7d1142013-07-03 17:50:44 +08001260#ifdef CONFIG_PM_SLEEP
1261static void tegra114_cpu_clock_suspend(void)
1262{
1263 /* switch coresite to clk_m, save off original source */
1264 tegra114_cpu_clk_sctx.clk_csite_src =
1265 readl(clk_base + CLK_SOURCE_CSITE);
1266 writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
Joseph Lo0017f442013-08-12 17:40:02 +08001267
1268 tegra114_cpu_clk_sctx.cclkg_burst =
1269 readl(clk_base + CCLKG_BURST_POLICY);
1270 tegra114_cpu_clk_sctx.cclkg_divider =
1271 readl(clk_base + CCLKG_BURST_POLICY + 4);
Joseph Load7d1142013-07-03 17:50:44 +08001272}
1273
1274static void tegra114_cpu_clock_resume(void)
1275{
1276 writel(tegra114_cpu_clk_sctx.clk_csite_src,
1277 clk_base + CLK_SOURCE_CSITE);
Joseph Lo0017f442013-08-12 17:40:02 +08001278
1279 writel(tegra114_cpu_clk_sctx.cclkg_burst,
1280 clk_base + CCLKG_BURST_POLICY);
1281 writel(tegra114_cpu_clk_sctx.cclkg_divider,
1282 clk_base + CCLKG_BURST_POLICY + 4);
Joseph Load7d1142013-07-03 17:50:44 +08001283}
1284#endif
1285
Joseph Lo31972fd2013-05-20 18:39:28 +08001286static struct tegra_cpu_car_ops tegra114_cpu_car_ops = {
1287 .wait_for_reset = tegra114_wait_cpu_in_reset,
1288 .disable_clock = tegra114_disable_cpu_clock,
Joseph Load7d1142013-07-03 17:50:44 +08001289#ifdef CONFIG_PM_SLEEP
1290 .suspend = tegra114_cpu_clock_suspend,
1291 .resume = tegra114_cpu_clock_resume,
1292#endif
Joseph Lo31972fd2013-05-20 18:39:28 +08001293};
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001294
1295static const struct of_device_id pmc_match[] __initconst = {
1296 { .compatible = "nvidia,tegra114-pmc" },
1297 {},
1298};
1299
Paul Walmsley9e601212013-06-07 06:19:01 -06001300/*
1301 * dfll_soc/dfll_ref apparently must be kept enabled, otherwise I2C5
1302 * breaks
1303 */
Sachin Kamat056dfcf2013-08-08 09:55:47 +05301304static struct tegra_clk_init_table init_table[] __initdata = {
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001305 {TEGRA114_CLK_UARTA, TEGRA114_CLK_PLL_P, 408000000, 0},
1306 {TEGRA114_CLK_UARTB, TEGRA114_CLK_PLL_P, 408000000, 0},
1307 {TEGRA114_CLK_UARTC, TEGRA114_CLK_PLL_P, 408000000, 0},
1308 {TEGRA114_CLK_UARTD, TEGRA114_CLK_PLL_P, 408000000, 0},
1309 {TEGRA114_CLK_PLL_A, TEGRA114_CLK_CLK_MAX, 564480000, 1},
1310 {TEGRA114_CLK_PLL_A_OUT0, TEGRA114_CLK_CLK_MAX, 11289600, 1},
1311 {TEGRA114_CLK_EXTERN1, TEGRA114_CLK_PLL_A_OUT0, 0, 1},
1312 {TEGRA114_CLK_CLK_OUT_1_MUX, TEGRA114_CLK_EXTERN1, 0, 1},
1313 {TEGRA114_CLK_CLK_OUT_1, TEGRA114_CLK_CLK_MAX, 0, 1},
1314 {TEGRA114_CLK_I2S0, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
1315 {TEGRA114_CLK_I2S1, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
1316 {TEGRA114_CLK_I2S2, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
1317 {TEGRA114_CLK_I2S3, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
1318 {TEGRA114_CLK_I2S4, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
Andrew Chew897e1dd2013-08-07 19:25:09 +08001319 {TEGRA114_CLK_HOST1X, TEGRA114_CLK_PLL_P, 136000000, 0},
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001320 {TEGRA114_CLK_DFLL_SOC, TEGRA114_CLK_PLL_P, 51000000, 1},
1321 {TEGRA114_CLK_DFLL_REF, TEGRA114_CLK_PLL_P, 51000000, 1},
Mikko Perttunen77f71732013-10-29 16:51:10 +01001322 {TEGRA114_CLK_DISP1, TEGRA114_CLK_PLL_P, 0, 0},
1323 {TEGRA114_CLK_DISP2, TEGRA114_CLK_PLL_P, 0, 0},
Thierry Redingf67a8d22013-10-02 23:12:40 +02001324 {TEGRA114_CLK_GR2D, TEGRA114_CLK_PLL_C2, 300000000, 0},
1325 {TEGRA114_CLK_GR3D, TEGRA114_CLK_PLL_C2, 300000000, 0},
Thierry Reding39409aa2013-11-18 16:11:36 +01001326 {TEGRA114_CLK_DSIALP, TEGRA114_CLK_PLL_P, 68000000, 0},
1327 {TEGRA114_CLK_DSIBLP, TEGRA114_CLK_PLL_P, 68000000, 0},
Andrew Bresticker4a7f10d2014-05-14 17:33:00 -07001328 {TEGRA114_CLK_PLL_RE_VCO, TEGRA114_CLK_CLK_MAX, 612000000, 0},
1329 {TEGRA114_CLK_XUSB_SS_SRC, TEGRA114_CLK_PLL_RE_OUT, 122400000, 0},
1330 {TEGRA114_CLK_XUSB_FS_SRC, TEGRA114_CLK_PLL_U_48M, 48000000, 0},
1331 {TEGRA114_CLK_XUSB_HS_SRC, TEGRA114_CLK_XUSB_SS_DIV2, 61200000, 0},
1332 {TEGRA114_CLK_XUSB_FALCON_SRC, TEGRA114_CLK_PLL_P, 204000000, 0},
1333 {TEGRA114_CLK_XUSB_HOST_SRC, TEGRA114_CLK_PLL_P, 102000000, 0},
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001334 /* This MUST be the last entry. */
1335 {TEGRA114_CLK_CLK_MAX, TEGRA114_CLK_CLK_MAX, 0, 0},
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001336};
1337
1338static void __init tegra114_clock_apply_init_table(void)
1339{
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001340 tegra_init_from_table(init_table, clks, TEGRA114_CLK_CLK_MAX);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001341}
1342
Paul Walmsley25c9ded2013-06-07 06:18:58 -06001343
1344/**
1345 * tegra114_car_barrier - wait for pending writes to the CAR to complete
1346 *
1347 * Wait for any outstanding writes to the CAR MMIO space from this CPU
1348 * to complete before continuing execution. No return value.
1349 */
1350static void tegra114_car_barrier(void)
1351{
1352 wmb(); /* probably unnecessary */
1353 readl_relaxed(clk_base + CPU_FINETRIM_SELECT);
1354}
1355
1356/**
1357 * tegra114_clock_tune_cpu_trimmers_high - use high-voltage propagation delays
1358 *
1359 * When the CPU rail voltage is in the high-voltage range, use the
1360 * built-in hardwired clock propagation delays in the CPU clock
1361 * shaper. No return value.
1362 */
1363void tegra114_clock_tune_cpu_trimmers_high(void)
1364{
1365 u32 select = 0;
1366
1367 /* Use hardwired rise->rise & fall->fall clock propagation delays */
1368 select |= ~(CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
1369 CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
1370 CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
1371 writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT);
1372
1373 tegra114_car_barrier();
1374}
1375EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_high);
1376
1377/**
1378 * tegra114_clock_tune_cpu_trimmers_low - use low-voltage propagation delays
1379 *
1380 * When the CPU rail voltage is in the low-voltage range, use the
1381 * extended clock propagation delays set by
1382 * tegra114_clock_tune_cpu_trimmers_init(). The intention is to
1383 * maintain the input clock duty cycle that the FCPU subsystem
1384 * expects. No return value.
1385 */
1386void tegra114_clock_tune_cpu_trimmers_low(void)
1387{
1388 u32 select = 0;
1389
1390 /*
1391 * Use software-specified rise->rise & fall->fall clock
1392 * propagation delays (from
1393 * tegra114_clock_tune_cpu_trimmers_init()
1394 */
1395 select |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
1396 CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
1397 CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
1398 writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT);
1399
1400 tegra114_car_barrier();
1401}
1402EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_low);
1403
1404/**
1405 * tegra114_clock_tune_cpu_trimmers_init - set up and enable clk prop delays
1406 *
1407 * Program extended clock propagation delays into the FCPU clock
1408 * shaper and enable them. XXX Define the purpose - peak current
1409 * reduction? No return value.
1410 */
1411/* XXX Initial voltage rail state assumption issues? */
1412void tegra114_clock_tune_cpu_trimmers_init(void)
1413{
1414 u32 dr = 0, r = 0;
1415
1416 /* Increment the rise->rise clock delay by four steps */
1417 r |= (CPU_FINETRIM_R_FCPU_1_MASK | CPU_FINETRIM_R_FCPU_2_MASK |
1418 CPU_FINETRIM_R_FCPU_3_MASK | CPU_FINETRIM_R_FCPU_4_MASK |
1419 CPU_FINETRIM_R_FCPU_5_MASK | CPU_FINETRIM_R_FCPU_6_MASK);
1420 writel_relaxed(r, clk_base + CPU_FINETRIM_R);
1421
1422 /*
1423 * Use the rise->rise clock propagation delay specified in the
1424 * r field
1425 */
1426 dr |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
1427 CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
1428 CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
1429 writel_relaxed(dr, clk_base + CPU_FINETRIM_DR);
1430
1431 tegra114_clock_tune_cpu_trimmers_low();
1432}
1433EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_init);
1434
Paul Walmsley1c472d82013-06-07 06:19:09 -06001435/**
1436 * tegra114_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
1437 *
1438 * Assert the reset line of the DFLL's DVCO. No return value.
1439 */
1440void tegra114_clock_assert_dfll_dvco_reset(void)
1441{
1442 u32 v;
1443
1444 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
1445 v |= (1 << DVFS_DFLL_RESET_SHIFT);
1446 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
1447 tegra114_car_barrier();
1448}
1449EXPORT_SYMBOL(tegra114_clock_assert_dfll_dvco_reset);
1450
1451/**
1452 * tegra114_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
1453 *
1454 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
1455 * operate. No return value.
1456 */
1457void tegra114_clock_deassert_dfll_dvco_reset(void)
1458{
1459 u32 v;
1460
1461 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
1462 v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
1463 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
1464 tegra114_car_barrier();
1465}
1466EXPORT_SYMBOL(tegra114_clock_deassert_dfll_dvco_reset);
1467
Prashant Gaikwad061cec92013-05-27 13:10:09 +05301468static void __init tegra114_clock_init(struct device_node *np)
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001469{
1470 struct device_node *node;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001471
1472 clk_base = of_iomap(np, 0);
1473 if (!clk_base) {
1474 pr_err("ioremap tegra114 CAR failed\n");
1475 return;
1476 }
1477
1478 node = of_find_matching_node(NULL, pmc_match);
1479 if (!node) {
1480 pr_err("Failed to find pmc node\n");
1481 WARN_ON(1);
1482 return;
1483 }
1484
1485 pmc_base = of_iomap(node, 0);
1486 if (!pmc_base) {
1487 pr_err("Can't map pmc registers\n");
1488 WARN_ON(1);
1489 return;
1490 }
1491
Stephen Warren6d5b9882013-11-05 17:33:17 -07001492 clks = tegra_clk_init(clk_base, TEGRA114_CLK_CLK_MAX,
1493 TEGRA114_CLK_PERIPH_BANKS);
Peter De Schrijver343a6072013-09-02 15:22:02 +03001494 if (!clks)
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001495 return;
1496
Peter De Schrijver343a6072013-09-02 15:22:02 +03001497 if (tegra114_osc_clk_init(clk_base) < 0)
Peter De Schrijverd5ff89a2013-08-22 18:44:06 +03001498 return;
1499
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001500 tegra114_fixed_clk_init(clk_base);
1501 tegra114_pll_init(clk_base, pmc_base);
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001502 tegra114_periph_clk_init(clk_base, pmc_base);
Peter De Schrijver6609dbe2013-09-17 15:42:24 +03001503 tegra_audio_clk_init(clk_base, pmc_base, tegra114_clks, &pll_a_params);
Peter De Schrijverde4f30f2013-10-15 17:19:13 +03001504 tegra_pmc_clk_init(pmc_base, tegra114_clks);
Peter De Schrijvera7c84852013-09-03 15:46:01 +03001505 tegra_super_clk_gen4_init(clk_base, pmc_base, tegra114_clks,
1506 &pll_x_params);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001507
Peter De Schrijver343a6072013-09-02 15:22:02 +03001508 tegra_add_of_provider(np);
Peter De Schrijver73d37e42013-10-09 14:47:57 +03001509 tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001510
1511 tegra_clk_apply_init_table = tegra114_clock_apply_init_table;
1512
1513 tegra_cpu_car_ops = &tegra114_cpu_car_ops;
1514}
Prashant Gaikwad061cec92013-05-27 13:10:09 +05301515CLK_OF_DECLARE(tegra114, "nvidia,tegra114-car", tegra114_clock_init);