blob: 07098597db534df076697a90a72e7b72461f01f9 [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
110#define PMC_CLK_OUT_CNTRL 0x1a8
111#define PMC_DPD_PADS_ORIDE 0x1c
112#define PMC_DPD_PADS_ORIDE_BLINK_ENB 20
113#define PMC_CTRL 0
114#define PMC_CTRL_BLINK_ENB 7
Alexandre Courbot91392272013-05-26 11:56:31 +0900115#define PMC_BLINK_TIMER 0x40
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300116
117#define OSC_CTRL 0x50
118#define OSC_CTRL_OSC_FREQ_SHIFT 28
119#define OSC_CTRL_PLL_REF_DIV_SHIFT 26
120
121#define PLLXC_SW_MAX_P 6
122
123#define CCLKG_BURST_POLICY 0x368
124#define CCLKLP_BURST_POLICY 0x370
125#define SCLK_BURST_POLICY 0x028
126#define SYSTEM_CLK_RATE 0x030
127
128#define UTMIP_PLL_CFG2 0x488
129#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xffff) << 6)
130#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
131#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
132#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
133#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
134
135#define UTMIP_PLL_CFG1 0x484
136#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 6)
137#define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
138#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
139#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
140#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
141#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
142#define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
143
144#define UTMIPLL_HW_PWRDN_CFG0 0x52c
145#define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25)
146#define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
147#define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
148#define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5)
149#define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4)
150#define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
151#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1)
152#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0)
153
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300154#define CLK_SOURCE_CSITE 0x1d4
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300155#define CLK_SOURCE_XUSB_SS_SRC 0x610
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300156#define CLK_SOURCE_EMC 0x19c
157
Peter De Schrijverd53442e2013-06-06 13:47:29 +0300158/* PLLM override registers */
159#define PMC_PLLM_WB0_OVERRIDE 0x1dc
160#define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
161
Joseph Lo31972fd2013-05-20 18:39:28 +0800162/* Tegra CPU clock and reset control regs */
163#define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
164
Joseph Load7d1142013-07-03 17:50:44 +0800165#ifdef CONFIG_PM_SLEEP
166static struct cpu_clk_suspend_context {
167 u32 clk_csite_src;
Joseph Lo0017f442013-08-12 17:40:02 +0800168 u32 cclkg_burst;
169 u32 cclkg_divider;
Joseph Load7d1142013-07-03 17:50:44 +0800170} tegra114_cpu_clk_sctx;
171#endif
172
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300173static void __iomem *clk_base;
174static void __iomem *pmc_base;
175
176static DEFINE_SPINLOCK(pll_d_lock);
177static DEFINE_SPINLOCK(pll_d2_lock);
178static DEFINE_SPINLOCK(pll_u_lock);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300179static DEFINE_SPINLOCK(pll_re_lock);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300180static DEFINE_SPINLOCK(clk_out_lock);
181static DEFINE_SPINLOCK(sysrate_lock);
182
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300183static struct div_nmp pllxc_nmp = {
184 .divm_shift = 0,
185 .divm_width = 8,
186 .divn_shift = 8,
187 .divn_width = 8,
188 .divp_shift = 20,
189 .divp_width = 4,
190};
191
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300192static struct pdiv_map pllxc_p[] = {
193 { .pdiv = 1, .hw_val = 0 },
194 { .pdiv = 2, .hw_val = 1 },
195 { .pdiv = 3, .hw_val = 2 },
196 { .pdiv = 4, .hw_val = 3 },
197 { .pdiv = 5, .hw_val = 4 },
198 { .pdiv = 6, .hw_val = 5 },
199 { .pdiv = 8, .hw_val = 6 },
200 { .pdiv = 10, .hw_val = 7 },
201 { .pdiv = 12, .hw_val = 8 },
202 { .pdiv = 16, .hw_val = 9 },
203 { .pdiv = 12, .hw_val = 10 },
204 { .pdiv = 16, .hw_val = 11 },
205 { .pdiv = 20, .hw_val = 12 },
206 { .pdiv = 24, .hw_val = 13 },
207 { .pdiv = 32, .hw_val = 14 },
208 { .pdiv = 0, .hw_val = 0 },
209};
210
211static struct tegra_clk_pll_freq_table pll_c_freq_table[] = {
212 { 12000000, 624000000, 104, 0, 2},
213 { 12000000, 600000000, 100, 0, 2},
214 { 13000000, 600000000, 92, 0, 2}, /* actual: 598.0 MHz */
215 { 16800000, 600000000, 71, 0, 2}, /* actual: 596.4 MHz */
216 { 19200000, 600000000, 62, 0, 2}, /* actual: 595.2 MHz */
217 { 26000000, 600000000, 92, 1, 2}, /* actual: 598.0 MHz */
218 { 0, 0, 0, 0, 0, 0 },
219};
220
221static struct tegra_clk_pll_params pll_c_params = {
222 .input_min = 12000000,
223 .input_max = 800000000,
224 .cf_min = 12000000,
225 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
226 .vco_min = 600000000,
227 .vco_max = 1400000000,
228 .base_reg = PLLC_BASE,
229 .misc_reg = PLLC_MISC,
230 .lock_mask = PLL_BASE_LOCK,
231 .lock_enable_bit_idx = PLLC_MISC_LOCK_ENABLE,
232 .lock_delay = 300,
233 .iddq_reg = PLLC_MISC,
234 .iddq_bit_idx = PLLC_IDDQ_BIT,
235 .max_p = PLLXC_SW_MAX_P,
236 .dyn_ramp_reg = PLLC_MISC2,
237 .stepa_shift = 17,
238 .stepb_shift = 9,
239 .pdiv_tohw = pllxc_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300240 .div_nmp = &pllxc_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300241 .freq_table = pll_c_freq_table,
242 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300243};
244
245static struct div_nmp pllcx_nmp = {
246 .divm_shift = 0,
247 .divm_width = 2,
248 .divn_shift = 8,
249 .divn_width = 8,
250 .divp_shift = 20,
251 .divp_width = 3,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300252};
253
254static struct pdiv_map pllc_p[] = {
255 { .pdiv = 1, .hw_val = 0 },
256 { .pdiv = 2, .hw_val = 1 },
257 { .pdiv = 4, .hw_val = 3 },
258 { .pdiv = 8, .hw_val = 5 },
259 { .pdiv = 16, .hw_val = 7 },
260 { .pdiv = 0, .hw_val = 0 },
261};
262
263static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
264 {12000000, 600000000, 100, 0, 2},
265 {13000000, 600000000, 92, 0, 2}, /* actual: 598.0 MHz */
266 {16800000, 600000000, 71, 0, 2}, /* actual: 596.4 MHz */
267 {19200000, 600000000, 62, 0, 2}, /* actual: 595.2 MHz */
268 {26000000, 600000000, 92, 1, 2}, /* actual: 598.0 MHz */
269 {0, 0, 0, 0, 0, 0},
270};
271
272static struct tegra_clk_pll_params pll_c2_params = {
273 .input_min = 12000000,
274 .input_max = 48000000,
275 .cf_min = 12000000,
276 .cf_max = 19200000,
277 .vco_min = 600000000,
278 .vco_max = 1200000000,
279 .base_reg = PLLC2_BASE,
280 .misc_reg = PLLC2_MISC,
281 .lock_mask = PLL_BASE_LOCK,
282 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
283 .lock_delay = 300,
284 .pdiv_tohw = pllc_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300285 .div_nmp = &pllcx_nmp,
286 .max_p = 7,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300287 .ext_misc_reg[0] = 0x4f0,
288 .ext_misc_reg[1] = 0x4f4,
289 .ext_misc_reg[2] = 0x4f8,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300290 .freq_table = pll_cx_freq_table,
291 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300292};
293
294static struct tegra_clk_pll_params pll_c3_params = {
295 .input_min = 12000000,
296 .input_max = 48000000,
297 .cf_min = 12000000,
298 .cf_max = 19200000,
299 .vco_min = 600000000,
300 .vco_max = 1200000000,
301 .base_reg = PLLC3_BASE,
302 .misc_reg = PLLC3_MISC,
303 .lock_mask = PLL_BASE_LOCK,
304 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
305 .lock_delay = 300,
306 .pdiv_tohw = pllc_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300307 .div_nmp = &pllcx_nmp,
308 .max_p = 7,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300309 .ext_misc_reg[0] = 0x504,
310 .ext_misc_reg[1] = 0x508,
311 .ext_misc_reg[2] = 0x50c,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300312 .freq_table = pll_cx_freq_table,
313 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300314};
315
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300316static struct div_nmp pllm_nmp = {
317 .divm_shift = 0,
318 .divm_width = 8,
Peter De Schrijverd53442e2013-06-06 13:47:29 +0300319 .override_divm_shift = 0,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300320 .divn_shift = 8,
321 .divn_width = 8,
Peter De Schrijverd53442e2013-06-06 13:47:29 +0300322 .override_divn_shift = 8,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300323 .divp_shift = 20,
324 .divp_width = 1,
Peter De Schrijverd53442e2013-06-06 13:47:29 +0300325 .override_divp_shift = 27,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300326};
327
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300328static struct pdiv_map pllm_p[] = {
329 { .pdiv = 1, .hw_val = 0 },
330 { .pdiv = 2, .hw_val = 1 },
331 { .pdiv = 0, .hw_val = 0 },
332};
333
334static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
335 {12000000, 800000000, 66, 0, 1}, /* actual: 792.0 MHz */
336 {13000000, 800000000, 61, 0, 1}, /* actual: 793.0 MHz */
337 {16800000, 800000000, 47, 0, 1}, /* actual: 789.6 MHz */
338 {19200000, 800000000, 41, 0, 1}, /* actual: 787.2 MHz */
339 {26000000, 800000000, 61, 1, 1}, /* actual: 793.0 MHz */
340 {0, 0, 0, 0, 0, 0},
341};
342
343static struct tegra_clk_pll_params pll_m_params = {
344 .input_min = 12000000,
345 .input_max = 500000000,
346 .cf_min = 12000000,
347 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
348 .vco_min = 400000000,
349 .vco_max = 1066000000,
350 .base_reg = PLLM_BASE,
351 .misc_reg = PLLM_MISC,
352 .lock_mask = PLL_BASE_LOCK,
353 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
354 .lock_delay = 300,
355 .max_p = 2,
356 .pdiv_tohw = pllm_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300357 .div_nmp = &pllm_nmp,
Peter De Schrijverd53442e2013-06-06 13:47:29 +0300358 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
359 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300360 .freq_table = pll_m_freq_table,
361 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300362};
363
364static struct div_nmp pllp_nmp = {
365 .divm_shift = 0,
366 .divm_width = 5,
367 .divn_shift = 8,
368 .divn_width = 10,
369 .divp_shift = 20,
370 .divp_width = 3,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300371};
372
373static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
374 {12000000, 216000000, 432, 12, 1, 8},
375 {13000000, 216000000, 432, 13, 1, 8},
376 {16800000, 216000000, 360, 14, 1, 8},
377 {19200000, 216000000, 360, 16, 1, 8},
378 {26000000, 216000000, 432, 26, 1, 8},
379 {0, 0, 0, 0, 0, 0},
380};
381
382static struct tegra_clk_pll_params pll_p_params = {
383 .input_min = 2000000,
384 .input_max = 31000000,
385 .cf_min = 1000000,
386 .cf_max = 6000000,
387 .vco_min = 200000000,
388 .vco_max = 700000000,
389 .base_reg = PLLP_BASE,
390 .misc_reg = PLLP_MISC,
391 .lock_mask = PLL_BASE_LOCK,
392 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
393 .lock_delay = 300,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300394 .div_nmp = &pllp_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300395 .freq_table = pll_p_freq_table,
396 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK,
397 .fixed_rate = 408000000,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300398};
399
400static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
401 {9600000, 282240000, 147, 5, 0, 4},
402 {9600000, 368640000, 192, 5, 0, 4},
403 {9600000, 240000000, 200, 8, 0, 8},
404
405 {28800000, 282240000, 245, 25, 0, 8},
406 {28800000, 368640000, 320, 25, 0, 8},
407 {28800000, 240000000, 200, 24, 0, 8},
408 {0, 0, 0, 0, 0, 0},
409};
410
411
412static struct tegra_clk_pll_params pll_a_params = {
413 .input_min = 2000000,
414 .input_max = 31000000,
415 .cf_min = 1000000,
416 .cf_max = 6000000,
417 .vco_min = 200000000,
418 .vco_max = 700000000,
419 .base_reg = PLLA_BASE,
420 .misc_reg = PLLA_MISC,
421 .lock_mask = PLL_BASE_LOCK,
422 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
423 .lock_delay = 300,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300424 .div_nmp = &pllp_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300425 .freq_table = pll_a_freq_table,
426 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300427};
428
429static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
430 {12000000, 216000000, 864, 12, 2, 12},
431 {13000000, 216000000, 864, 13, 2, 12},
432 {16800000, 216000000, 720, 14, 2, 12},
433 {19200000, 216000000, 720, 16, 2, 12},
434 {26000000, 216000000, 864, 26, 2, 12},
435
436 {12000000, 594000000, 594, 12, 0, 12},
437 {13000000, 594000000, 594, 13, 0, 12},
438 {16800000, 594000000, 495, 14, 0, 12},
439 {19200000, 594000000, 495, 16, 0, 12},
440 {26000000, 594000000, 594, 26, 0, 12},
441
442 {12000000, 1000000000, 1000, 12, 0, 12},
443 {13000000, 1000000000, 1000, 13, 0, 12},
444 {19200000, 1000000000, 625, 12, 0, 12},
445 {26000000, 1000000000, 1000, 26, 0, 12},
446
447 {0, 0, 0, 0, 0, 0},
448};
449
450static struct tegra_clk_pll_params pll_d_params = {
451 .input_min = 2000000,
452 .input_max = 40000000,
453 .cf_min = 1000000,
454 .cf_max = 6000000,
455 .vco_min = 500000000,
456 .vco_max = 1000000000,
457 .base_reg = PLLD_BASE,
458 .misc_reg = PLLD_MISC,
459 .lock_mask = PLL_BASE_LOCK,
460 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
461 .lock_delay = 1000,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300462 .div_nmp = &pllp_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300463 .freq_table = pll_d_freq_table,
464 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
465 TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300466};
467
468static struct tegra_clk_pll_params pll_d2_params = {
469 .input_min = 2000000,
470 .input_max = 40000000,
471 .cf_min = 1000000,
472 .cf_max = 6000000,
473 .vco_min = 500000000,
474 .vco_max = 1000000000,
475 .base_reg = PLLD2_BASE,
476 .misc_reg = PLLD2_MISC,
477 .lock_mask = PLL_BASE_LOCK,
478 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
479 .lock_delay = 1000,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300480 .div_nmp = &pllp_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300481 .freq_table = pll_d_freq_table,
482 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
483 TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300484};
485
486static struct pdiv_map pllu_p[] = {
487 { .pdiv = 1, .hw_val = 1 },
488 { .pdiv = 2, .hw_val = 0 },
489 { .pdiv = 0, .hw_val = 0 },
490};
491
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300492static struct div_nmp pllu_nmp = {
493 .divm_shift = 0,
494 .divm_width = 5,
495 .divn_shift = 8,
496 .divn_width = 10,
497 .divp_shift = 20,
498 .divp_width = 1,
499};
500
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300501static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
502 {12000000, 480000000, 960, 12, 0, 12},
503 {13000000, 480000000, 960, 13, 0, 12},
504 {16800000, 480000000, 400, 7, 0, 5},
505 {19200000, 480000000, 200, 4, 0, 3},
506 {26000000, 480000000, 960, 26, 0, 12},
507 {0, 0, 0, 0, 0, 0},
508};
509
510static struct tegra_clk_pll_params pll_u_params = {
511 .input_min = 2000000,
512 .input_max = 40000000,
513 .cf_min = 1000000,
514 .cf_max = 6000000,
515 .vco_min = 480000000,
516 .vco_max = 960000000,
517 .base_reg = PLLU_BASE,
518 .misc_reg = PLLU_MISC,
519 .lock_mask = PLL_BASE_LOCK,
520 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
521 .lock_delay = 1000,
522 .pdiv_tohw = pllu_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300523 .div_nmp = &pllu_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300524 .freq_table = pll_u_freq_table,
525 .flags = TEGRA_PLLU | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
526 TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300527};
528
529static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
530 /* 1 GHz */
531 {12000000, 1000000000, 83, 0, 1}, /* actual: 996.0 MHz */
532 {13000000, 1000000000, 76, 0, 1}, /* actual: 988.0 MHz */
533 {16800000, 1000000000, 59, 0, 1}, /* actual: 991.2 MHz */
534 {19200000, 1000000000, 52, 0, 1}, /* actual: 998.4 MHz */
535 {26000000, 1000000000, 76, 1, 1}, /* actual: 988.0 MHz */
536
537 {0, 0, 0, 0, 0, 0},
538};
539
540static struct tegra_clk_pll_params pll_x_params = {
541 .input_min = 12000000,
542 .input_max = 800000000,
543 .cf_min = 12000000,
544 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
545 .vco_min = 700000000,
546 .vco_max = 2400000000U,
547 .base_reg = PLLX_BASE,
548 .misc_reg = PLLX_MISC,
549 .lock_mask = PLL_BASE_LOCK,
550 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
551 .lock_delay = 300,
552 .iddq_reg = PLLX_MISC3,
553 .iddq_bit_idx = PLLX_IDDQ_BIT,
554 .max_p = PLLXC_SW_MAX_P,
555 .dyn_ramp_reg = PLLX_MISC2,
556 .stepa_shift = 16,
557 .stepb_shift = 24,
558 .pdiv_tohw = pllxc_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300559 .div_nmp = &pllxc_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300560 .freq_table = pll_x_freq_table,
561 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300562};
563
564static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
565 /* PLLE special case: use cpcon field to store cml divider value */
566 {336000000, 100000000, 100, 21, 16, 11},
567 {312000000, 100000000, 200, 26, 24, 13},
Peter De Schrijver8e9cc802013-11-25 14:44:13 +0200568 {12000000, 100000000, 200, 1, 24, 13},
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300569 {0, 0, 0, 0, 0, 0},
570};
571
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300572static struct div_nmp plle_nmp = {
573 .divm_shift = 0,
574 .divm_width = 8,
575 .divn_shift = 8,
576 .divn_width = 8,
577 .divp_shift = 24,
578 .divp_width = 4,
579};
580
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300581static struct tegra_clk_pll_params pll_e_params = {
582 .input_min = 12000000,
583 .input_max = 1000000000,
584 .cf_min = 12000000,
585 .cf_max = 75000000,
586 .vco_min = 1600000000,
587 .vco_max = 2400000000U,
588 .base_reg = PLLE_BASE,
589 .misc_reg = PLLE_MISC,
590 .aux_reg = PLLE_AUX,
591 .lock_mask = PLLE_MISC_LOCK,
592 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
593 .lock_delay = 300,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300594 .div_nmp = &plle_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300595 .freq_table = pll_e_freq_table,
596 .flags = TEGRA_PLL_FIXED,
597 .fixed_rate = 100000000,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300598};
599
600static struct div_nmp pllre_nmp = {
601 .divm_shift = 0,
602 .divm_width = 8,
603 .divn_shift = 8,
604 .divn_width = 8,
605 .divp_shift = 16,
606 .divp_width = 4,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300607};
608
609static struct tegra_clk_pll_params pll_re_vco_params = {
610 .input_min = 12000000,
611 .input_max = 1000000000,
612 .cf_min = 12000000,
613 .cf_max = 19200000, /* s/w policy, h/w capability 38 MHz */
614 .vco_min = 300000000,
615 .vco_max = 600000000,
616 .base_reg = PLLRE_BASE,
617 .misc_reg = PLLRE_MISC,
618 .lock_mask = PLLRE_MISC_LOCK,
619 .lock_enable_bit_idx = PLLRE_MISC_LOCK_ENABLE,
620 .lock_delay = 300,
621 .iddq_reg = PLLRE_MISC,
622 .iddq_bit_idx = PLLRE_IDDQ_BIT,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300623 .div_nmp = &pllre_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300624 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300625};
626
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300627/* possible OSC frequencies in Hz */
628static unsigned long tegra114_input_freq[] = {
629 [0] = 13000000,
630 [1] = 16800000,
631 [4] = 19200000,
632 [5] = 38400000,
633 [8] = 12000000,
634 [9] = 48000000,
635 [12] = 260000000,
636};
637
638#define MASK(x) (BIT(x) - 1)
639
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300640struct utmi_clk_param {
641 /* Oscillator Frequency in KHz */
642 u32 osc_frequency;
643 /* UTMIP PLL Enable Delay Count */
644 u8 enable_delay_count;
645 /* UTMIP PLL Stable count */
646 u8 stable_count;
647 /* UTMIP PLL Active delay count */
648 u8 active_delay_count;
649 /* UTMIP PLL Xtal frequency count */
650 u8 xtal_freq_count;
651};
652
653static const struct utmi_clk_param utmi_parameters[] = {
654 {.osc_frequency = 13000000, .enable_delay_count = 0x02,
655 .stable_count = 0x33, .active_delay_count = 0x05,
656 .xtal_freq_count = 0x7F},
657 {.osc_frequency = 19200000, .enable_delay_count = 0x03,
658 .stable_count = 0x4B, .active_delay_count = 0x06,
659 .xtal_freq_count = 0xBB},
660 {.osc_frequency = 12000000, .enable_delay_count = 0x02,
661 .stable_count = 0x2F, .active_delay_count = 0x04,
662 .xtal_freq_count = 0x76},
663 {.osc_frequency = 26000000, .enable_delay_count = 0x04,
664 .stable_count = 0x66, .active_delay_count = 0x09,
665 .xtal_freq_count = 0xFE},
666 {.osc_frequency = 16800000, .enable_delay_count = 0x03,
667 .stable_count = 0x41, .active_delay_count = 0x0A,
668 .xtal_freq_count = 0xA4},
669};
670
671/* peripheral mux definitions */
672
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300673static const char *mux_plld_out0_plld2_out0[] = {
674 "pll_d_out0", "pll_d2_out0",
675};
676#define mux_plld_out0_plld2_out0_idx NULL
677
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300678static const char *mux_pllmcp_clkm[] = {
679 "pll_m_out0", "pll_c_out0", "pll_p_out0", "clk_m", "pll_m_ud",
680};
681
682static const struct clk_div_table pll_re_div_table[] = {
683 { .val = 0, .div = 1 },
684 { .val = 1, .div = 2 },
685 { .val = 2, .div = 3 },
686 { .val = 3, .div = 4 },
687 { .val = 4, .div = 5 },
688 { .val = 5, .div = 6 },
689 { .val = 0, .div = 0 },
690};
691
Peter De Schrijver6609dbe2013-09-17 15:42:24 +0300692static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = {
693 [tegra_clk_rtc] = { .dt_id = TEGRA114_CLK_RTC, .present = true },
694 [tegra_clk_timer] = { .dt_id = TEGRA114_CLK_TIMER, .present = true },
695 [tegra_clk_uarta] = { .dt_id = TEGRA114_CLK_UARTA, .present = true },
696 [tegra_clk_uartd] = { .dt_id = TEGRA114_CLK_UARTD, .present = true },
697 [tegra_clk_sdmmc2] = { .dt_id = TEGRA114_CLK_SDMMC2, .present = true },
698 [tegra_clk_i2s1] = { .dt_id = TEGRA114_CLK_I2S1, .present = true },
699 [tegra_clk_i2c1] = { .dt_id = TEGRA114_CLK_I2C1, .present = true },
700 [tegra_clk_ndflash] = { .dt_id = TEGRA114_CLK_NDFLASH, .present = true },
701 [tegra_clk_sdmmc1] = { .dt_id = TEGRA114_CLK_SDMMC1, .present = true },
702 [tegra_clk_sdmmc4] = { .dt_id = TEGRA114_CLK_SDMMC4, .present = true },
703 [tegra_clk_pwm] = { .dt_id = TEGRA114_CLK_PWM, .present = true },
704 [tegra_clk_i2s0] = { .dt_id = TEGRA114_CLK_I2S0, .present = true },
705 [tegra_clk_i2s2] = { .dt_id = TEGRA114_CLK_I2S2, .present = true },
706 [tegra_clk_epp_8] = { .dt_id = TEGRA114_CLK_EPP, .present = true },
707 [tegra_clk_gr2d_8] = { .dt_id = TEGRA114_CLK_GR2D, .present = true },
708 [tegra_clk_usbd] = { .dt_id = TEGRA114_CLK_USBD, .present = true },
709 [tegra_clk_isp] = { .dt_id = TEGRA114_CLK_ISP, .present = true },
710 [tegra_clk_gr3d_8] = { .dt_id = TEGRA114_CLK_GR3D, .present = true },
711 [tegra_clk_disp2] = { .dt_id = TEGRA114_CLK_DISP2, .present = true },
712 [tegra_clk_disp1] = { .dt_id = TEGRA114_CLK_DISP1, .present = true },
713 [tegra_clk_host1x_8] = { .dt_id = TEGRA114_CLK_HOST1X, .present = true },
714 [tegra_clk_vcp] = { .dt_id = TEGRA114_CLK_VCP, .present = true },
715 [tegra_clk_apbdma] = { .dt_id = TEGRA114_CLK_APBDMA, .present = true },
716 [tegra_clk_kbc] = { .dt_id = TEGRA114_CLK_KBC, .present = true },
717 [tegra_clk_kfuse] = { .dt_id = TEGRA114_CLK_KFUSE, .present = true },
718 [tegra_clk_sbc1_8] = { .dt_id = TEGRA114_CLK_SBC1, .present = true },
719 [tegra_clk_nor] = { .dt_id = TEGRA114_CLK_NOR, .present = true },
720 [tegra_clk_sbc2_8] = { .dt_id = TEGRA114_CLK_SBC2, .present = true },
721 [tegra_clk_sbc3_8] = { .dt_id = TEGRA114_CLK_SBC3, .present = true },
722 [tegra_clk_i2c5] = { .dt_id = TEGRA114_CLK_I2C5, .present = true },
723 [tegra_clk_dsia] = { .dt_id = TEGRA114_CLK_DSIA, .present = true },
724 [tegra_clk_mipi] = { .dt_id = TEGRA114_CLK_MIPI, .present = true },
725 [tegra_clk_hdmi] = { .dt_id = TEGRA114_CLK_HDMI, .present = true },
726 [tegra_clk_csi] = { .dt_id = TEGRA114_CLK_CSI, .present = true },
727 [tegra_clk_i2c2] = { .dt_id = TEGRA114_CLK_I2C2, .present = true },
728 [tegra_clk_uartc] = { .dt_id = TEGRA114_CLK_UARTC, .present = true },
729 [tegra_clk_mipi_cal] = { .dt_id = TEGRA114_CLK_MIPI_CAL, .present = true },
730 [tegra_clk_emc] = { .dt_id = TEGRA114_CLK_EMC, .present = true },
731 [tegra_clk_usb2] = { .dt_id = TEGRA114_CLK_USB2, .present = true },
732 [tegra_clk_usb3] = { .dt_id = TEGRA114_CLK_USB3, .present = true },
733 [tegra_clk_vde_8] = { .dt_id = TEGRA114_CLK_VDE, .present = true },
734 [tegra_clk_bsea] = { .dt_id = TEGRA114_CLK_BSEA, .present = true },
735 [tegra_clk_bsev] = { .dt_id = TEGRA114_CLK_BSEV, .present = true },
736 [tegra_clk_i2c3] = { .dt_id = TEGRA114_CLK_I2C3, .present = true },
737 [tegra_clk_sbc4_8] = { .dt_id = TEGRA114_CLK_SBC4, .present = true },
738 [tegra_clk_sdmmc3] = { .dt_id = TEGRA114_CLK_SDMMC3, .present = true },
739 [tegra_clk_owr] = { .dt_id = TEGRA114_CLK_OWR, .present = true },
740 [tegra_clk_csite] = { .dt_id = TEGRA114_CLK_CSITE, .present = true },
741 [tegra_clk_la] = { .dt_id = TEGRA114_CLK_LA, .present = true },
742 [tegra_clk_trace] = { .dt_id = TEGRA114_CLK_TRACE, .present = true },
743 [tegra_clk_soc_therm] = { .dt_id = TEGRA114_CLK_SOC_THERM, .present = true },
744 [tegra_clk_dtv] = { .dt_id = TEGRA114_CLK_DTV, .present = true },
745 [tegra_clk_ndspeed] = { .dt_id = TEGRA114_CLK_NDSPEED, .present = true },
746 [tegra_clk_i2cslow] = { .dt_id = TEGRA114_CLK_I2CSLOW, .present = true },
747 [tegra_clk_dsib] = { .dt_id = TEGRA114_CLK_DSIB, .present = true },
748 [tegra_clk_tsec] = { .dt_id = TEGRA114_CLK_TSEC, .present = true },
749 [tegra_clk_xusb_host] = { .dt_id = TEGRA114_CLK_XUSB_HOST, .present = true },
750 [tegra_clk_msenc] = { .dt_id = TEGRA114_CLK_MSENC, .present = true },
751 [tegra_clk_csus] = { .dt_id = TEGRA114_CLK_CSUS, .present = true },
752 [tegra_clk_mselect] = { .dt_id = TEGRA114_CLK_MSELECT, .present = true },
753 [tegra_clk_tsensor] = { .dt_id = TEGRA114_CLK_TSENSOR, .present = true },
754 [tegra_clk_i2s3] = { .dt_id = TEGRA114_CLK_I2S3, .present = true },
755 [tegra_clk_i2s4] = { .dt_id = TEGRA114_CLK_I2S4, .present = true },
756 [tegra_clk_i2c4] = { .dt_id = TEGRA114_CLK_I2C4, .present = true },
757 [tegra_clk_sbc5_8] = { .dt_id = TEGRA114_CLK_SBC5, .present = true },
758 [tegra_clk_sbc6_8] = { .dt_id = TEGRA114_CLK_SBC6, .present = true },
759 [tegra_clk_d_audio] = { .dt_id = TEGRA114_CLK_D_AUDIO, .present = true },
760 [tegra_clk_apbif] = { .dt_id = TEGRA114_CLK_APBIF, .present = true },
761 [tegra_clk_dam0] = { .dt_id = TEGRA114_CLK_DAM0, .present = true },
762 [tegra_clk_dam1] = { .dt_id = TEGRA114_CLK_DAM1, .present = true },
763 [tegra_clk_dam2] = { .dt_id = TEGRA114_CLK_DAM2, .present = true },
764 [tegra_clk_hda2codec_2x] = { .dt_id = TEGRA114_CLK_HDA2CODEC_2X, .present = true },
765 [tegra_clk_audio0_2x] = { .dt_id = TEGRA114_CLK_AUDIO0_2X, .present = true },
766 [tegra_clk_audio1_2x] = { .dt_id = TEGRA114_CLK_AUDIO1_2X, .present = true },
767 [tegra_clk_audio2_2x] = { .dt_id = TEGRA114_CLK_AUDIO2_2X, .present = true },
768 [tegra_clk_audio3_2x] = { .dt_id = TEGRA114_CLK_AUDIO3_2X, .present = true },
769 [tegra_clk_audio4_2x] = { .dt_id = TEGRA114_CLK_AUDIO4_2X, .present = true },
770 [tegra_clk_spdif_2x] = { .dt_id = TEGRA114_CLK_SPDIF_2X, .present = true },
771 [tegra_clk_actmon] = { .dt_id = TEGRA114_CLK_ACTMON, .present = true },
772 [tegra_clk_extern1] = { .dt_id = TEGRA114_CLK_EXTERN1, .present = true },
773 [tegra_clk_extern2] = { .dt_id = TEGRA114_CLK_EXTERN2, .present = true },
774 [tegra_clk_extern3] = { .dt_id = TEGRA114_CLK_EXTERN3, .present = true },
775 [tegra_clk_hda] = { .dt_id = TEGRA114_CLK_HDA, .present = true },
776 [tegra_clk_se] = { .dt_id = TEGRA114_CLK_SE, .present = true },
777 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA114_CLK_HDA2HDMI, .present = true },
778 [tegra_clk_cilab] = { .dt_id = TEGRA114_CLK_CILAB, .present = true },
779 [tegra_clk_cilcd] = { .dt_id = TEGRA114_CLK_CILCD, .present = true },
780 [tegra_clk_cile] = { .dt_id = TEGRA114_CLK_CILE, .present = true },
781 [tegra_clk_dsialp] = { .dt_id = TEGRA114_CLK_DSIALP, .present = true },
782 [tegra_clk_dsiblp] = { .dt_id = TEGRA114_CLK_DSIBLP, .present = true },
783 [tegra_clk_dds] = { .dt_id = TEGRA114_CLK_DDS, .present = true },
784 [tegra_clk_dp2] = { .dt_id = TEGRA114_CLK_DP2, .present = true },
785 [tegra_clk_amx] = { .dt_id = TEGRA114_CLK_AMX, .present = true },
786 [tegra_clk_adx] = { .dt_id = TEGRA114_CLK_ADX, .present = true },
787 [tegra_clk_xusb_ss] = { .dt_id = TEGRA114_CLK_XUSB_SS, .present = true },
788 [tegra_clk_uartb] = { .dt_id = TEGRA114_CLK_UARTB, .present = true },
789 [tegra_clk_vfir] = { .dt_id = TEGRA114_CLK_VFIR, .present = true },
790 [tegra_clk_spdif_in] = { .dt_id = TEGRA114_CLK_SPDIF_IN, .present = true },
791 [tegra_clk_spdif_out] = { .dt_id = TEGRA114_CLK_SPDIF_OUT, .present = true },
792 [tegra_clk_vi_8] = { .dt_id = TEGRA114_CLK_VI, .present = true },
793 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA114_CLK_VI_SENSOR, .present = true },
794 [tegra_clk_fuse] = { .dt_id = TEGRA114_CLK_FUSE, .present = true },
795 [tegra_clk_fuse_burn] = { .dt_id = TEGRA114_CLK_FUSE_BURN, .present = true },
796 [tegra_clk_clk_32k] = { .dt_id = TEGRA114_CLK_CLK_32K, .present = true },
797 [tegra_clk_clk_m] = { .dt_id = TEGRA114_CLK_CLK_M, .present = true },
798 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA114_CLK_CLK_M_DIV2, .present = true },
799 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA114_CLK_CLK_M_DIV4, .present = true },
800 [tegra_clk_pll_ref] = { .dt_id = TEGRA114_CLK_PLL_REF, .present = true },
801 [tegra_clk_pll_c] = { .dt_id = TEGRA114_CLK_PLL_C, .present = true },
802 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA114_CLK_PLL_C_OUT1, .present = true },
803 [tegra_clk_pll_c2] = { .dt_id = TEGRA114_CLK_PLL_C2, .present = true },
804 [tegra_clk_pll_c3] = { .dt_id = TEGRA114_CLK_PLL_C3, .present = true },
805 [tegra_clk_pll_m] = { .dt_id = TEGRA114_CLK_PLL_M, .present = true },
806 [tegra_clk_pll_m_out1] = { .dt_id = TEGRA114_CLK_PLL_M_OUT1, .present = true },
807 [tegra_clk_pll_p] = { .dt_id = TEGRA114_CLK_PLL_P, .present = true },
808 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA114_CLK_PLL_P_OUT1, .present = true },
809 [tegra_clk_pll_p_out2_int] = { .dt_id = TEGRA114_CLK_PLL_P_OUT2, .present = true },
810 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA114_CLK_PLL_P_OUT3, .present = true },
811 [tegra_clk_pll_p_out4] = { .dt_id = TEGRA114_CLK_PLL_P_OUT4, .present = true },
812 [tegra_clk_pll_a] = { .dt_id = TEGRA114_CLK_PLL_A, .present = true },
813 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA114_CLK_PLL_A_OUT0, .present = true },
814 [tegra_clk_pll_d] = { .dt_id = TEGRA114_CLK_PLL_D, .present = true },
815 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA114_CLK_PLL_D_OUT0, .present = true },
816 [tegra_clk_pll_d2] = { .dt_id = TEGRA114_CLK_PLL_D2, .present = true },
817 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA114_CLK_PLL_D2_OUT0, .present = true },
818 [tegra_clk_pll_u] = { .dt_id = TEGRA114_CLK_PLL_U, .present = true },
819 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA114_CLK_PLL_U_480M, .present = true },
820 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA114_CLK_PLL_U_60M, .present = true },
821 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA114_CLK_PLL_U_48M, .present = true },
822 [tegra_clk_pll_u_12m] = { .dt_id = TEGRA114_CLK_PLL_U_12M, .present = true },
823 [tegra_clk_pll_x] = { .dt_id = TEGRA114_CLK_PLL_X, .present = true },
824 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA114_CLK_PLL_X_OUT0, .present = true },
825 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA114_CLK_PLL_RE_VCO, .present = true },
826 [tegra_clk_pll_re_out] = { .dt_id = TEGRA114_CLK_PLL_RE_OUT, .present = true },
827 [tegra_clk_pll_e_out0] = { .dt_id = TEGRA114_CLK_PLL_E_OUT0, .present = true },
828 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA114_CLK_SPDIF_IN_SYNC, .present = true },
829 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA114_CLK_I2S0_SYNC, .present = true },
830 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA114_CLK_I2S1_SYNC, .present = true },
831 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA114_CLK_I2S2_SYNC, .present = true },
832 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA114_CLK_I2S3_SYNC, .present = true },
833 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA114_CLK_I2S4_SYNC, .present = true },
834 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA114_CLK_VIMCLK_SYNC, .present = true },
835 [tegra_clk_audio0] = { .dt_id = TEGRA114_CLK_AUDIO0, .present = true },
836 [tegra_clk_audio1] = { .dt_id = TEGRA114_CLK_AUDIO1, .present = true },
837 [tegra_clk_audio2] = { .dt_id = TEGRA114_CLK_AUDIO2, .present = true },
838 [tegra_clk_audio3] = { .dt_id = TEGRA114_CLK_AUDIO3, .present = true },
839 [tegra_clk_audio4] = { .dt_id = TEGRA114_CLK_AUDIO4, .present = true },
840 [tegra_clk_spdif] = { .dt_id = TEGRA114_CLK_SPDIF, .present = true },
841 [tegra_clk_clk_out_1] = { .dt_id = TEGRA114_CLK_CLK_OUT_1, .present = true },
842 [tegra_clk_clk_out_2] = { .dt_id = TEGRA114_CLK_CLK_OUT_2, .present = true },
843 [tegra_clk_clk_out_3] = { .dt_id = TEGRA114_CLK_CLK_OUT_3, .present = true },
844 [tegra_clk_blink] = { .dt_id = TEGRA114_CLK_BLINK, .present = true },
845 [tegra_clk_xusb_host_src] = { .dt_id = TEGRA114_CLK_XUSB_HOST_SRC, .present = true },
846 [tegra_clk_xusb_falcon_src] = { .dt_id = TEGRA114_CLK_XUSB_FALCON_SRC, .present = true },
847 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA114_CLK_XUSB_FS_SRC, .present = true },
848 [tegra_clk_xusb_ss_src] = { .dt_id = TEGRA114_CLK_XUSB_SS_SRC, .present = true },
849 [tegra_clk_xusb_dev_src] = { .dt_id = TEGRA114_CLK_XUSB_DEV_SRC, .present = true },
850 [tegra_clk_xusb_dev] = { .dt_id = TEGRA114_CLK_XUSB_DEV, .present = true },
851 [tegra_clk_xusb_hs_src] = { .dt_id = TEGRA114_CLK_XUSB_HS_SRC, .present = true },
852 [tegra_clk_sclk] = { .dt_id = TEGRA114_CLK_SCLK, .present = true },
853 [tegra_clk_hclk] = { .dt_id = TEGRA114_CLK_HCLK, .present = true },
854 [tegra_clk_pclk] = { .dt_id = TEGRA114_CLK_PCLK, .present = true },
855 [tegra_clk_cclk_g] = { .dt_id = TEGRA114_CLK_CCLK_G, .present = true },
856 [tegra_clk_cclk_lp] = { .dt_id = TEGRA114_CLK_CCLK_LP, .present = true },
857 [tegra_clk_dfll_ref] = { .dt_id = TEGRA114_CLK_DFLL_REF, .present = true },
858 [tegra_clk_dfll_soc] = { .dt_id = TEGRA114_CLK_DFLL_SOC, .present = true },
859 [tegra_clk_audio0_mux] = { .dt_id = TEGRA114_CLK_AUDIO0_MUX, .present = true },
860 [tegra_clk_audio1_mux] = { .dt_id = TEGRA114_CLK_AUDIO1_MUX, .present = true },
861 [tegra_clk_audio2_mux] = { .dt_id = TEGRA114_CLK_AUDIO2_MUX, .present = true },
862 [tegra_clk_audio3_mux] = { .dt_id = TEGRA114_CLK_AUDIO3_MUX, .present = true },
863 [tegra_clk_audio4_mux] = { .dt_id = TEGRA114_CLK_AUDIO4_MUX, .present = true },
864 [tegra_clk_spdif_mux] = { .dt_id = TEGRA114_CLK_SPDIF_MUX, .present = true },
865 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_1_MUX, .present = true },
866 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_2_MUX, .present = true },
867 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_3_MUX, .present = true },
868 [tegra_clk_dsia_mux] = { .dt_id = TEGRA114_CLK_DSIA_MUX, .present = true },
869 [tegra_clk_dsib_mux] = { .dt_id = TEGRA114_CLK_DSIB_MUX, .present = true },
870};
871
Peter De Schrijver73d37e42013-10-09 14:47:57 +0300872static struct tegra_devclk devclks[] __initdata = {
873 { .con_id = "clk_m", .dt_id = TEGRA114_CLK_CLK_M },
874 { .con_id = "pll_ref", .dt_id = TEGRA114_CLK_PLL_REF },
875 { .con_id = "clk_32k", .dt_id = TEGRA114_CLK_CLK_32K },
876 { .con_id = "clk_m_div2", .dt_id = TEGRA114_CLK_CLK_M_DIV2 },
877 { .con_id = "clk_m_div4", .dt_id = TEGRA114_CLK_CLK_M_DIV4 },
878 { .con_id = "pll_c", .dt_id = TEGRA114_CLK_PLL_C },
879 { .con_id = "pll_c_out1", .dt_id = TEGRA114_CLK_PLL_C_OUT1 },
880 { .con_id = "pll_c2", .dt_id = TEGRA114_CLK_PLL_C2 },
881 { .con_id = "pll_c3", .dt_id = TEGRA114_CLK_PLL_C3 },
882 { .con_id = "pll_p", .dt_id = TEGRA114_CLK_PLL_P },
883 { .con_id = "pll_p_out1", .dt_id = TEGRA114_CLK_PLL_P_OUT1 },
884 { .con_id = "pll_p_out2", .dt_id = TEGRA114_CLK_PLL_P_OUT2 },
885 { .con_id = "pll_p_out3", .dt_id = TEGRA114_CLK_PLL_P_OUT3 },
886 { .con_id = "pll_p_out4", .dt_id = TEGRA114_CLK_PLL_P_OUT4 },
887 { .con_id = "pll_m", .dt_id = TEGRA114_CLK_PLL_M },
888 { .con_id = "pll_m_out1", .dt_id = TEGRA114_CLK_PLL_M_OUT1 },
889 { .con_id = "pll_x", .dt_id = TEGRA114_CLK_PLL_X },
890 { .con_id = "pll_x_out0", .dt_id = TEGRA114_CLK_PLL_X_OUT0 },
891 { .con_id = "pll_u", .dt_id = TEGRA114_CLK_PLL_U },
892 { .con_id = "pll_u_480M", .dt_id = TEGRA114_CLK_PLL_U_480M },
893 { .con_id = "pll_u_60M", .dt_id = TEGRA114_CLK_PLL_U_60M },
894 { .con_id = "pll_u_48M", .dt_id = TEGRA114_CLK_PLL_U_48M },
895 { .con_id = "pll_u_12M", .dt_id = TEGRA114_CLK_PLL_U_12M },
896 { .con_id = "pll_d", .dt_id = TEGRA114_CLK_PLL_D },
897 { .con_id = "pll_d_out0", .dt_id = TEGRA114_CLK_PLL_D_OUT0 },
898 { .con_id = "pll_d2", .dt_id = TEGRA114_CLK_PLL_D2 },
899 { .con_id = "pll_d2_out0", .dt_id = TEGRA114_CLK_PLL_D2_OUT0 },
900 { .con_id = "pll_a", .dt_id = TEGRA114_CLK_PLL_A },
901 { .con_id = "pll_a_out0", .dt_id = TEGRA114_CLK_PLL_A_OUT0 },
902 { .con_id = "pll_re_vco", .dt_id = TEGRA114_CLK_PLL_RE_VCO },
903 { .con_id = "pll_re_out", .dt_id = TEGRA114_CLK_PLL_RE_OUT },
904 { .con_id = "pll_e_out0", .dt_id = TEGRA114_CLK_PLL_E_OUT0 },
905 { .con_id = "spdif_in_sync", .dt_id = TEGRA114_CLK_SPDIF_IN_SYNC },
906 { .con_id = "i2s0_sync", .dt_id = TEGRA114_CLK_I2S0_SYNC },
907 { .con_id = "i2s1_sync", .dt_id = TEGRA114_CLK_I2S1_SYNC },
908 { .con_id = "i2s2_sync", .dt_id = TEGRA114_CLK_I2S2_SYNC },
909 { .con_id = "i2s3_sync", .dt_id = TEGRA114_CLK_I2S3_SYNC },
910 { .con_id = "i2s4_sync", .dt_id = TEGRA114_CLK_I2S4_SYNC },
911 { .con_id = "vimclk_sync", .dt_id = TEGRA114_CLK_VIMCLK_SYNC },
912 { .con_id = "audio0", .dt_id = TEGRA114_CLK_AUDIO0 },
913 { .con_id = "audio1", .dt_id = TEGRA114_CLK_AUDIO1 },
914 { .con_id = "audio2", .dt_id = TEGRA114_CLK_AUDIO2 },
915 { .con_id = "audio3", .dt_id = TEGRA114_CLK_AUDIO3 },
916 { .con_id = "audio4", .dt_id = TEGRA114_CLK_AUDIO4 },
917 { .con_id = "spdif", .dt_id = TEGRA114_CLK_SPDIF },
918 { .con_id = "audio0_2x", .dt_id = TEGRA114_CLK_AUDIO0_2X },
919 { .con_id = "audio1_2x", .dt_id = TEGRA114_CLK_AUDIO1_2X },
920 { .con_id = "audio2_2x", .dt_id = TEGRA114_CLK_AUDIO2_2X },
921 { .con_id = "audio3_2x", .dt_id = TEGRA114_CLK_AUDIO3_2X },
922 { .con_id = "audio4_2x", .dt_id = TEGRA114_CLK_AUDIO4_2X },
923 { .con_id = "spdif_2x", .dt_id = TEGRA114_CLK_SPDIF_2X },
924 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA114_CLK_EXTERN1 },
925 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA114_CLK_EXTERN2 },
926 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA114_CLK_EXTERN3 },
927 { .con_id = "blink", .dt_id = TEGRA114_CLK_BLINK },
928 { .con_id = "cclk_g", .dt_id = TEGRA114_CLK_CCLK_G },
929 { .con_id = "cclk_lp", .dt_id = TEGRA114_CLK_CCLK_LP },
930 { .con_id = "sclk", .dt_id = TEGRA114_CLK_SCLK },
931 { .con_id = "hclk", .dt_id = TEGRA114_CLK_HCLK },
932 { .con_id = "pclk", .dt_id = TEGRA114_CLK_PCLK },
933 { .dev_id = "rtc-tegra", .dt_id = TEGRA114_CLK_RTC },
934 { .dev_id = "timer", .dt_id = TEGRA114_CLK_TIMER },
935};
936
Peter De Schrijver343a6072013-09-02 15:22:02 +0300937static struct clk **clks;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300938
939static unsigned long osc_freq;
940static unsigned long pll_ref_freq;
941
942static int __init tegra114_osc_clk_init(void __iomem *clk_base)
943{
944 struct clk *clk;
945 u32 val, pll_ref_div;
946
947 val = readl_relaxed(clk_base + OSC_CTRL);
948
949 osc_freq = tegra114_input_freq[val >> OSC_CTRL_OSC_FREQ_SHIFT];
950 if (!osc_freq) {
951 WARN_ON(1);
952 return -EINVAL;
953 }
954
955 /* clk_m */
956 clk = clk_register_fixed_rate(NULL, "clk_m", NULL, CLK_IS_ROOT,
957 osc_freq);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +0300958 clks[TEGRA114_CLK_CLK_M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300959
960 /* pll_ref */
961 val = (val >> OSC_CTRL_PLL_REF_DIV_SHIFT) & 3;
962 pll_ref_div = 1 << val;
963 clk = clk_register_fixed_factor(NULL, "pll_ref", "clk_m",
964 CLK_SET_RATE_PARENT, 1, pll_ref_div);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +0300965 clks[TEGRA114_CLK_PLL_REF] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300966
967 pll_ref_freq = osc_freq / pll_ref_div;
968
969 return 0;
970}
971
972static void __init tegra114_fixed_clk_init(void __iomem *clk_base)
973{
974 struct clk *clk;
975
976 /* clk_32k */
977 clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, CLK_IS_ROOT,
978 32768);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +0300979 clks[TEGRA114_CLK_CLK_32K] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300980
981 /* clk_m_div2 */
982 clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m",
983 CLK_SET_RATE_PARENT, 1, 2);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +0300984 clks[TEGRA114_CLK_CLK_M_DIV2] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300985
986 /* clk_m_div4 */
987 clk = clk_register_fixed_factor(NULL, "clk_m_div4", "clk_m",
988 CLK_SET_RATE_PARENT, 1, 4);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +0300989 clks[TEGRA114_CLK_CLK_M_DIV4] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300990
991}
992
993static __init void tegra114_utmi_param_configure(void __iomem *clk_base)
994{
995 u32 reg;
996 int i;
997
998 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
999 if (osc_freq == utmi_parameters[i].osc_frequency)
1000 break;
1001 }
1002
1003 if (i >= ARRAY_SIZE(utmi_parameters)) {
1004 pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
1005 osc_freq);
1006 return;
1007 }
1008
1009 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
1010
1011 /* Program UTMIP PLL stable and active counts */
1012 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
1013 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
1014 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
1015
1016 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
1017
1018 reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].
1019 active_delay_count);
1020
1021 /* Remove power downs from UTMIP PLL control bits */
1022 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
1023 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
1024 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
1025
1026 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
1027
1028 /* Program UTMIP PLL delay and oscillator frequency counts */
1029 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
1030 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
1031
1032 reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].
1033 enable_delay_count);
1034
1035 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
1036 reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].
1037 xtal_freq_count);
1038
1039 /* Remove power downs from UTMIP PLL control bits */
1040 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
1041 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
1042 reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP;
1043 reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
1044 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
1045
1046 /* Setup HW control of UTMIPLL */
1047 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
1048 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
1049 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
1050 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE;
1051 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
1052
1053 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
1054 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
1055 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
1056 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
1057
1058 udelay(1);
1059
1060 /* Setup SW override of UTMIPLL assuming USB2.0
1061 ports are assigned to USB2 */
1062 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
1063 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL;
1064 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
1065 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
1066
1067 udelay(1);
1068
1069 /* Enable HW control UTMIPLL */
1070 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
1071 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
1072 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
1073}
1074
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001075static void __init tegra114_pll_init(void __iomem *clk_base,
1076 void __iomem *pmc)
1077{
1078 u32 val;
1079 struct clk *clk;
1080
1081 /* PLLC */
Peter De Schrijver04edb092013-09-06 14:37:37 +03001082 clk = tegra_clk_register_pllxc("pll_c", "pll_ref", clk_base,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001083 pmc, 0, &pll_c_params, NULL);
Peter De Schrijver04edb092013-09-06 14:37:37 +03001084 clks[TEGRA114_CLK_PLL_C] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001085
Peter De Schrijver04edb092013-09-06 14:37:37 +03001086 /* PLLC_OUT1 */
1087 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
1088 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
1089 8, 8, 1, NULL);
1090 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
1091 clk_base + PLLC_OUT, 1, 0,
1092 CLK_SET_RATE_PARENT, 0, NULL);
Peter De Schrijver04edb092013-09-06 14:37:37 +03001093 clks[TEGRA114_CLK_PLL_C_OUT1] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001094
1095 /* PLLC2 */
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001096 clk = tegra_clk_register_pllc("pll_c2", "pll_ref", clk_base, pmc, 0,
1097 &pll_c2_params, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001098 clks[TEGRA114_CLK_PLL_C2] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001099
1100 /* PLLC3 */
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001101 clk = tegra_clk_register_pllc("pll_c3", "pll_ref", clk_base, pmc, 0,
1102 &pll_c3_params, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001103 clks[TEGRA114_CLK_PLL_C3] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001104
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001105 /* PLLM */
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001106 clk = tegra_clk_register_pllm("pll_m", "pll_ref", clk_base, pmc,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001107 CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE,
1108 &pll_m_params, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001109 clks[TEGRA114_CLK_PLL_M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001110
1111 /* PLLM_OUT1 */
1112 clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m",
1113 clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
1114 8, 8, 1, NULL);
1115 clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div",
1116 clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED |
1117 CLK_SET_RATE_PARENT, 0, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001118 clks[TEGRA114_CLK_PLL_M_OUT1] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001119
1120 /* PLLM_UD */
1121 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
1122 CLK_SET_RATE_PARENT, 1, 1);
1123
1124 /* PLLX */
Peter De Schrijver04edb092013-09-06 14:37:37 +03001125 clk = tegra_clk_register_pllxc("pll_x", "pll_ref", clk_base,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001126 pmc, CLK_IGNORE_UNUSED, &pll_x_params, NULL);
Peter De Schrijver04edb092013-09-06 14:37:37 +03001127 clks[TEGRA114_CLK_PLL_X] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001128
1129 /* PLLX_OUT0 */
1130 clk = clk_register_fixed_factor(NULL, "pll_x_out0", "pll_x",
1131 CLK_SET_RATE_PARENT, 1, 2);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001132 clks[TEGRA114_CLK_PLL_X_OUT0] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001133
1134 /* PLLU */
1135 val = readl(clk_base + pll_u_params.base_reg);
1136 val &= ~BIT(24); /* disable PLLU_OVERRIDE */
1137 writel(val, clk_base + pll_u_params.base_reg);
1138
1139 clk = tegra_clk_register_pll("pll_u", "pll_ref", clk_base, pmc, 0,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001140 &pll_u_params, &pll_u_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001141 clks[TEGRA114_CLK_PLL_U] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001142
1143 tegra114_utmi_param_configure(clk_base);
1144
1145 /* PLLU_480M */
1146 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u",
1147 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
1148 22, 0, &pll_u_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001149 clks[TEGRA114_CLK_PLL_U_480M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001150
1151 /* PLLU_60M */
1152 clk = clk_register_fixed_factor(NULL, "pll_u_60M", "pll_u",
1153 CLK_SET_RATE_PARENT, 1, 8);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001154 clks[TEGRA114_CLK_PLL_U_60M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001155
1156 /* PLLU_48M */
1157 clk = clk_register_fixed_factor(NULL, "pll_u_48M", "pll_u",
1158 CLK_SET_RATE_PARENT, 1, 10);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001159 clks[TEGRA114_CLK_PLL_U_48M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001160
1161 /* PLLU_12M */
1162 clk = clk_register_fixed_factor(NULL, "pll_u_12M", "pll_u",
1163 CLK_SET_RATE_PARENT, 1, 40);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001164 clks[TEGRA114_CLK_PLL_U_12M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001165
1166 /* PLLD */
1167 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001168 &pll_d_params, &pll_d_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001169 clks[TEGRA114_CLK_PLL_D] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001170
1171 /* PLLD_OUT0 */
1172 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
1173 CLK_SET_RATE_PARENT, 1, 2);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001174 clks[TEGRA114_CLK_PLL_D_OUT0] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001175
1176 /* PLLD2 */
1177 clk = tegra_clk_register_pll("pll_d2", "pll_ref", clk_base, pmc, 0,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001178 &pll_d2_params, &pll_d2_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001179 clks[TEGRA114_CLK_PLL_D2] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001180
1181 /* PLLD2_OUT0 */
1182 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
1183 CLK_SET_RATE_PARENT, 1, 2);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001184 clks[TEGRA114_CLK_PLL_D2_OUT0] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001185
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001186 /* PLLRE */
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001187 clk = tegra_clk_register_pllre("pll_re_vco", "pll_ref", clk_base, pmc,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001188 0, &pll_re_vco_params, &pll_re_lock, pll_ref_freq);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001189 clks[TEGRA114_CLK_PLL_RE_VCO] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001190
1191 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
1192 clk_base + PLLRE_BASE, 16, 4, 0,
1193 pll_re_div_table, &pll_re_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001194 clks[TEGRA114_CLK_PLL_RE_OUT] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001195
1196 /* PLLE */
Peter De Schrijver8e9cc802013-11-25 14:44:13 +02001197 clk = tegra_clk_register_plle_tegra114("pll_e_out0", "pll_ref",
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001198 clk_base, 0, &pll_e_params, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001199 clks[TEGRA114_CLK_PLL_E_OUT0] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001200}
1201
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001202static const char *clk_out1_parents[] = { "clk_m", "clk_m_div2",
1203 "clk_m_div4", "extern1",
1204};
1205
1206static const char *clk_out2_parents[] = { "clk_m", "clk_m_div2",
1207 "clk_m_div4", "extern2",
1208};
1209
1210static const char *clk_out3_parents[] = { "clk_m", "clk_m_div2",
1211 "clk_m_div4", "extern3",
1212};
1213
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001214static void __init tegra114_pmc_clk_init(void __iomem *pmc_base)
1215{
1216 struct clk *clk;
1217
1218 /* clk_out_1 */
1219 clk = clk_register_mux(NULL, "clk_out_1_mux", clk_out1_parents,
James Hogan819c1de2013-07-29 12:25:01 +01001220 ARRAY_SIZE(clk_out1_parents),
1221 CLK_SET_RATE_NO_REPARENT,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001222 pmc_base + PMC_CLK_OUT_CNTRL, 6, 3, 0,
1223 &clk_out_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001224 clks[TEGRA114_CLK_CLK_OUT_1_MUX] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001225 clk = clk_register_gate(NULL, "clk_out_1", "clk_out_1_mux", 0,
1226 pmc_base + PMC_CLK_OUT_CNTRL, 2, 0,
1227 &clk_out_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001228 clks[TEGRA114_CLK_CLK_OUT_1] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001229
1230 /* clk_out_2 */
1231 clk = clk_register_mux(NULL, "clk_out_2_mux", clk_out2_parents,
James Hogan819c1de2013-07-29 12:25:01 +01001232 ARRAY_SIZE(clk_out2_parents),
1233 CLK_SET_RATE_NO_REPARENT,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001234 pmc_base + PMC_CLK_OUT_CNTRL, 14, 3, 0,
1235 &clk_out_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001236 clks[TEGRA114_CLK_CLK_OUT_2_MUX] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001237 clk = clk_register_gate(NULL, "clk_out_2", "clk_out_2_mux", 0,
1238 pmc_base + PMC_CLK_OUT_CNTRL, 10, 0,
1239 &clk_out_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001240 clks[TEGRA114_CLK_CLK_OUT_2] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001241
1242 /* clk_out_3 */
1243 clk = clk_register_mux(NULL, "clk_out_3_mux", clk_out3_parents,
James Hogan819c1de2013-07-29 12:25:01 +01001244 ARRAY_SIZE(clk_out3_parents),
1245 CLK_SET_RATE_NO_REPARENT,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001246 pmc_base + PMC_CLK_OUT_CNTRL, 22, 3, 0,
1247 &clk_out_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001248 clks[TEGRA114_CLK_CLK_OUT_3_MUX] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001249 clk = clk_register_gate(NULL, "clk_out_3", "clk_out_3_mux", 0,
1250 pmc_base + PMC_CLK_OUT_CNTRL, 18, 0,
1251 &clk_out_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001252 clks[TEGRA114_CLK_CLK_OUT_3] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001253
1254 /* blink */
Alexandre Courbot91392272013-05-26 11:56:31 +09001255 /* clear the blink timer register to directly output clk_32k */
1256 writel_relaxed(0, pmc_base + PMC_BLINK_TIMER);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001257 clk = clk_register_gate(NULL, "blink_override", "clk_32k", 0,
1258 pmc_base + PMC_DPD_PADS_ORIDE,
1259 PMC_DPD_PADS_ORIDE_BLINK_ENB, 0, NULL);
1260 clk = clk_register_gate(NULL, "blink", "blink_override", 0,
1261 pmc_base + PMC_CTRL,
1262 PMC_CTRL_BLINK_ENB, 0, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001263 clks[TEGRA114_CLK_BLINK] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001264
1265}
1266
1267static const char *sclk_parents[] = { "clk_m", "pll_c_out1", "pll_p_out4",
Peter De Schrijver29b09442013-06-05 17:29:28 +03001268 "pll_p", "pll_p_out2", "unused",
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001269 "clk_32k", "pll_m_out1" };
1270
1271static const char *cclk_g_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
1272 "pll_p", "pll_p_out4", "unused",
1273 "unused", "pll_x" };
1274
1275static const char *cclk_lp_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
1276 "pll_p", "pll_p_out4", "unused",
1277 "unused", "pll_x", "pll_x_out0" };
1278
1279static void __init tegra114_super_clk_init(void __iomem *clk_base)
1280{
1281 struct clk *clk;
1282
1283 /* CCLKG */
1284 clk = tegra_clk_register_super_mux("cclk_g", cclk_g_parents,
1285 ARRAY_SIZE(cclk_g_parents),
1286 CLK_SET_RATE_PARENT,
1287 clk_base + CCLKG_BURST_POLICY,
1288 0, 4, 0, 0, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001289 clks[TEGRA114_CLK_CCLK_G] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001290
1291 /* CCLKLP */
1292 clk = tegra_clk_register_super_mux("cclk_lp", cclk_lp_parents,
1293 ARRAY_SIZE(cclk_lp_parents),
1294 CLK_SET_RATE_PARENT,
1295 clk_base + CCLKLP_BURST_POLICY,
1296 0, 4, 8, 9, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001297 clks[TEGRA114_CLK_CCLK_LP] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001298
1299 /* SCLK */
1300 clk = tegra_clk_register_super_mux("sclk", sclk_parents,
1301 ARRAY_SIZE(sclk_parents),
1302 CLK_SET_RATE_PARENT,
1303 clk_base + SCLK_BURST_POLICY,
1304 0, 4, 0, 0, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001305 clks[TEGRA114_CLK_SCLK] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001306
1307 /* HCLK */
1308 clk = clk_register_divider(NULL, "hclk_div", "sclk", 0,
1309 clk_base + SYSTEM_CLK_RATE, 4, 2, 0,
1310 &sysrate_lock);
1311 clk = clk_register_gate(NULL, "hclk", "hclk_div", CLK_SET_RATE_PARENT |
1312 CLK_IGNORE_UNUSED, clk_base + SYSTEM_CLK_RATE,
1313 7, CLK_GATE_SET_TO_DISABLE, &sysrate_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001314 clks[TEGRA114_CLK_HCLK] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001315
1316 /* PCLK */
1317 clk = clk_register_divider(NULL, "pclk_div", "hclk", 0,
1318 clk_base + SYSTEM_CLK_RATE, 0, 2, 0,
1319 &sysrate_lock);
1320 clk = clk_register_gate(NULL, "pclk", "pclk_div", CLK_SET_RATE_PARENT |
1321 CLK_IGNORE_UNUSED, clk_base + SYSTEM_CLK_RATE,
1322 3, CLK_GATE_SET_TO_DISABLE, &sysrate_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001323 clks[TEGRA114_CLK_PCLK] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001324}
1325
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001326static __init void tegra114_periph_clk_init(void __iomem *clk_base,
1327 void __iomem *pmc_base)
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001328{
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001329 struct clk *clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001330 u32 val;
1331
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001332 /* xusb_hs_src */
1333 val = readl(clk_base + CLK_SOURCE_XUSB_SS_SRC);
1334 val |= BIT(25); /* always select PLLU_60M */
1335 writel(val, clk_base + CLK_SOURCE_XUSB_SS_SRC);
1336
1337 clk = clk_register_fixed_factor(NULL, "xusb_hs_src", "pll_u_60M", 0,
1338 1, 1);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001339 clks[TEGRA114_CLK_XUSB_HS_SRC] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001340
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001341 /* dsia mux */
1342 clk = clk_register_mux(NULL, "dsia_mux", mux_plld_out0_plld2_out0,
1343 ARRAY_SIZE(mux_plld_out0_plld2_out0),
1344 CLK_SET_RATE_NO_REPARENT,
1345 clk_base + PLLD_BASE, 25, 1, 0, &pll_d_lock);
1346 clks[TEGRA114_CLK_DSIA_MUX] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001347
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001348 /* dsib mux */
1349 clk = clk_register_mux(NULL, "dsib_mux", mux_plld_out0_plld2_out0,
1350 ARRAY_SIZE(mux_plld_out0_plld2_out0),
1351 CLK_SET_RATE_NO_REPARENT,
1352 clk_base + PLLD2_BASE, 25, 1, 0, &pll_d2_lock);
1353 clks[TEGRA114_CLK_DSIB_MUX] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001354
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001355 /* emc mux */
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001356 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
James Hogan819c1de2013-07-29 12:25:01 +01001357 ARRAY_SIZE(mux_pllmcp_clkm),
1358 CLK_SET_RATE_NO_REPARENT,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001359 clk_base + CLK_SOURCE_EMC,
1360 29, 3, 0, NULL);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001361
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001362 tegra_periph_clk_init(clk_base, pmc_base, tegra114_clks,
1363 &pll_p_params);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001364}
1365
Joseph Lo31972fd2013-05-20 18:39:28 +08001366/* Tegra114 CPU clock and reset control functions */
1367static void tegra114_wait_cpu_in_reset(u32 cpu)
1368{
1369 unsigned int reg;
1370
1371 do {
1372 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
1373 cpu_relax();
1374 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
1375}
1376static void tegra114_disable_cpu_clock(u32 cpu)
1377{
1378 /* flow controller would take care in the power sequence. */
1379}
1380
Joseph Load7d1142013-07-03 17:50:44 +08001381#ifdef CONFIG_PM_SLEEP
1382static void tegra114_cpu_clock_suspend(void)
1383{
1384 /* switch coresite to clk_m, save off original source */
1385 tegra114_cpu_clk_sctx.clk_csite_src =
1386 readl(clk_base + CLK_SOURCE_CSITE);
1387 writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
Joseph Lo0017f442013-08-12 17:40:02 +08001388
1389 tegra114_cpu_clk_sctx.cclkg_burst =
1390 readl(clk_base + CCLKG_BURST_POLICY);
1391 tegra114_cpu_clk_sctx.cclkg_divider =
1392 readl(clk_base + CCLKG_BURST_POLICY + 4);
Joseph Load7d1142013-07-03 17:50:44 +08001393}
1394
1395static void tegra114_cpu_clock_resume(void)
1396{
1397 writel(tegra114_cpu_clk_sctx.clk_csite_src,
1398 clk_base + CLK_SOURCE_CSITE);
Joseph Lo0017f442013-08-12 17:40:02 +08001399
1400 writel(tegra114_cpu_clk_sctx.cclkg_burst,
1401 clk_base + CCLKG_BURST_POLICY);
1402 writel(tegra114_cpu_clk_sctx.cclkg_divider,
1403 clk_base + CCLKG_BURST_POLICY + 4);
Joseph Load7d1142013-07-03 17:50:44 +08001404}
1405#endif
1406
Joseph Lo31972fd2013-05-20 18:39:28 +08001407static struct tegra_cpu_car_ops tegra114_cpu_car_ops = {
1408 .wait_for_reset = tegra114_wait_cpu_in_reset,
1409 .disable_clock = tegra114_disable_cpu_clock,
Joseph Load7d1142013-07-03 17:50:44 +08001410#ifdef CONFIG_PM_SLEEP
1411 .suspend = tegra114_cpu_clock_suspend,
1412 .resume = tegra114_cpu_clock_resume,
1413#endif
Joseph Lo31972fd2013-05-20 18:39:28 +08001414};
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001415
1416static const struct of_device_id pmc_match[] __initconst = {
1417 { .compatible = "nvidia,tegra114-pmc" },
1418 {},
1419};
1420
Paul Walmsley9e601212013-06-07 06:19:01 -06001421/*
1422 * dfll_soc/dfll_ref apparently must be kept enabled, otherwise I2C5
1423 * breaks
1424 */
Sachin Kamat056dfcf2013-08-08 09:55:47 +05301425static struct tegra_clk_init_table init_table[] __initdata = {
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001426 {TEGRA114_CLK_UARTA, TEGRA114_CLK_PLL_P, 408000000, 0},
1427 {TEGRA114_CLK_UARTB, TEGRA114_CLK_PLL_P, 408000000, 0},
1428 {TEGRA114_CLK_UARTC, TEGRA114_CLK_PLL_P, 408000000, 0},
1429 {TEGRA114_CLK_UARTD, TEGRA114_CLK_PLL_P, 408000000, 0},
1430 {TEGRA114_CLK_PLL_A, TEGRA114_CLK_CLK_MAX, 564480000, 1},
1431 {TEGRA114_CLK_PLL_A_OUT0, TEGRA114_CLK_CLK_MAX, 11289600, 1},
1432 {TEGRA114_CLK_EXTERN1, TEGRA114_CLK_PLL_A_OUT0, 0, 1},
1433 {TEGRA114_CLK_CLK_OUT_1_MUX, TEGRA114_CLK_EXTERN1, 0, 1},
1434 {TEGRA114_CLK_CLK_OUT_1, TEGRA114_CLK_CLK_MAX, 0, 1},
1435 {TEGRA114_CLK_I2S0, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
1436 {TEGRA114_CLK_I2S1, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
1437 {TEGRA114_CLK_I2S2, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
1438 {TEGRA114_CLK_I2S3, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
1439 {TEGRA114_CLK_I2S4, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
Andrew Chew897e1dd2013-08-07 19:25:09 +08001440 {TEGRA114_CLK_HOST1X, TEGRA114_CLK_PLL_P, 136000000, 0},
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001441 {TEGRA114_CLK_DFLL_SOC, TEGRA114_CLK_PLL_P, 51000000, 1},
1442 {TEGRA114_CLK_DFLL_REF, TEGRA114_CLK_PLL_P, 51000000, 1},
Thierry Redingf67a8d22013-10-02 23:12:40 +02001443 {TEGRA114_CLK_GR2D, TEGRA114_CLK_PLL_C2, 300000000, 0},
1444 {TEGRA114_CLK_GR3D, TEGRA114_CLK_PLL_C2, 300000000, 0},
Mark Zhangfc20eef2013-08-07 19:25:08 +08001445
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001446 /* This MUST be the last entry. */
1447 {TEGRA114_CLK_CLK_MAX, TEGRA114_CLK_CLK_MAX, 0, 0},
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001448};
1449
1450static void __init tegra114_clock_apply_init_table(void)
1451{
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001452 tegra_init_from_table(init_table, clks, TEGRA114_CLK_CLK_MAX);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001453}
1454
Paul Walmsley25c9ded2013-06-07 06:18:58 -06001455
1456/**
1457 * tegra114_car_barrier - wait for pending writes to the CAR to complete
1458 *
1459 * Wait for any outstanding writes to the CAR MMIO space from this CPU
1460 * to complete before continuing execution. No return value.
1461 */
1462static void tegra114_car_barrier(void)
1463{
1464 wmb(); /* probably unnecessary */
1465 readl_relaxed(clk_base + CPU_FINETRIM_SELECT);
1466}
1467
1468/**
1469 * tegra114_clock_tune_cpu_trimmers_high - use high-voltage propagation delays
1470 *
1471 * When the CPU rail voltage is in the high-voltage range, use the
1472 * built-in hardwired clock propagation delays in the CPU clock
1473 * shaper. No return value.
1474 */
1475void tegra114_clock_tune_cpu_trimmers_high(void)
1476{
1477 u32 select = 0;
1478
1479 /* Use hardwired rise->rise & fall->fall clock propagation delays */
1480 select |= ~(CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
1481 CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
1482 CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
1483 writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT);
1484
1485 tegra114_car_barrier();
1486}
1487EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_high);
1488
1489/**
1490 * tegra114_clock_tune_cpu_trimmers_low - use low-voltage propagation delays
1491 *
1492 * When the CPU rail voltage is in the low-voltage range, use the
1493 * extended clock propagation delays set by
1494 * tegra114_clock_tune_cpu_trimmers_init(). The intention is to
1495 * maintain the input clock duty cycle that the FCPU subsystem
1496 * expects. No return value.
1497 */
1498void tegra114_clock_tune_cpu_trimmers_low(void)
1499{
1500 u32 select = 0;
1501
1502 /*
1503 * Use software-specified rise->rise & fall->fall clock
1504 * propagation delays (from
1505 * tegra114_clock_tune_cpu_trimmers_init()
1506 */
1507 select |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
1508 CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
1509 CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
1510 writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT);
1511
1512 tegra114_car_barrier();
1513}
1514EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_low);
1515
1516/**
1517 * tegra114_clock_tune_cpu_trimmers_init - set up and enable clk prop delays
1518 *
1519 * Program extended clock propagation delays into the FCPU clock
1520 * shaper and enable them. XXX Define the purpose - peak current
1521 * reduction? No return value.
1522 */
1523/* XXX Initial voltage rail state assumption issues? */
1524void tegra114_clock_tune_cpu_trimmers_init(void)
1525{
1526 u32 dr = 0, r = 0;
1527
1528 /* Increment the rise->rise clock delay by four steps */
1529 r |= (CPU_FINETRIM_R_FCPU_1_MASK | CPU_FINETRIM_R_FCPU_2_MASK |
1530 CPU_FINETRIM_R_FCPU_3_MASK | CPU_FINETRIM_R_FCPU_4_MASK |
1531 CPU_FINETRIM_R_FCPU_5_MASK | CPU_FINETRIM_R_FCPU_6_MASK);
1532 writel_relaxed(r, clk_base + CPU_FINETRIM_R);
1533
1534 /*
1535 * Use the rise->rise clock propagation delay specified in the
1536 * r field
1537 */
1538 dr |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
1539 CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
1540 CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
1541 writel_relaxed(dr, clk_base + CPU_FINETRIM_DR);
1542
1543 tegra114_clock_tune_cpu_trimmers_low();
1544}
1545EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_init);
1546
Paul Walmsley1c472d82013-06-07 06:19:09 -06001547/**
1548 * tegra114_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
1549 *
1550 * Assert the reset line of the DFLL's DVCO. No return value.
1551 */
1552void tegra114_clock_assert_dfll_dvco_reset(void)
1553{
1554 u32 v;
1555
1556 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
1557 v |= (1 << DVFS_DFLL_RESET_SHIFT);
1558 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
1559 tegra114_car_barrier();
1560}
1561EXPORT_SYMBOL(tegra114_clock_assert_dfll_dvco_reset);
1562
1563/**
1564 * tegra114_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
1565 *
1566 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
1567 * operate. No return value.
1568 */
1569void tegra114_clock_deassert_dfll_dvco_reset(void)
1570{
1571 u32 v;
1572
1573 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
1574 v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
1575 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
1576 tegra114_car_barrier();
1577}
1578EXPORT_SYMBOL(tegra114_clock_deassert_dfll_dvco_reset);
1579
Prashant Gaikwad061cec92013-05-27 13:10:09 +05301580static void __init tegra114_clock_init(struct device_node *np)
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001581{
1582 struct device_node *node;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001583
1584 clk_base = of_iomap(np, 0);
1585 if (!clk_base) {
1586 pr_err("ioremap tegra114 CAR failed\n");
1587 return;
1588 }
1589
1590 node = of_find_matching_node(NULL, pmc_match);
1591 if (!node) {
1592 pr_err("Failed to find pmc node\n");
1593 WARN_ON(1);
1594 return;
1595 }
1596
1597 pmc_base = of_iomap(node, 0);
1598 if (!pmc_base) {
1599 pr_err("Can't map pmc registers\n");
1600 WARN_ON(1);
1601 return;
1602 }
1603
Peter De Schrijver343a6072013-09-02 15:22:02 +03001604 clks = tegra_clk_init(TEGRA114_CLK_CLK_MAX, TEGRA114_CLK_PERIPH_BANKS);
1605 if (!clks)
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001606 return;
1607
Peter De Schrijver343a6072013-09-02 15:22:02 +03001608 if (tegra114_osc_clk_init(clk_base) < 0)
Peter De Schrijverd5ff89a2013-08-22 18:44:06 +03001609 return;
1610
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001611 tegra114_fixed_clk_init(clk_base);
1612 tegra114_pll_init(clk_base, pmc_base);
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001613 tegra114_periph_clk_init(clk_base, pmc_base);
Peter De Schrijver6609dbe2013-09-17 15:42:24 +03001614 tegra_audio_clk_init(clk_base, pmc_base, tegra114_clks, &pll_a_params);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001615 tegra114_pmc_clk_init(pmc_base);
1616 tegra114_super_clk_init(clk_base);
1617
Peter De Schrijver343a6072013-09-02 15:22:02 +03001618 tegra_add_of_provider(np);
Peter De Schrijver73d37e42013-10-09 14:47:57 +03001619 tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001620
1621 tegra_clk_apply_init_table = tegra114_clock_apply_init_table;
1622
1623 tegra_cpu_car_ops = &tegra114_cpu_car_ops;
1624}
Prashant Gaikwad061cec92013-05-27 13:10:09 +05301625CLK_OF_DECLARE(tegra114, "nvidia,tegra114-car", tegra114_clock_init);