xtensa: support DMA buffers in high memory
[cris-mirror.git] / drivers / clk / tegra / clk-tegra210.c
blob9e6260869eb94bee9e9b3c5f17dd7aedbc6c0a79
1 /*
2 * Copyright (c) 2012-2014 NVIDIA CORPORATION. All rights reserved.
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.
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.
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/>.
17 #include <linux/io.h>
18 #include <linux/clk.h>
19 #include <linux/clk-provider.h>
20 #include <linux/clkdev.h>
21 #include <linux/of.h>
22 #include <linux/of_address.h>
23 #include <linux/delay.h>
24 #include <linux/export.h>
25 #include <linux/clk/tegra.h>
26 #include <dt-bindings/clock/tegra210-car.h>
27 #include <dt-bindings/reset/tegra210-car.h>
28 #include <linux/iopoll.h>
30 #include "clk.h"
31 #include "clk-id.h"
34 * TEGRA210_CAR_BANK_COUNT: the number of peripheral clock register
35 * banks present in the Tegra210 CAR IP block. The banks are
36 * identified by single letters, e.g.: L, H, U, V, W, X, Y. See
37 * periph_regs[] in drivers/clk/tegra/clk.c
39 #define TEGRA210_CAR_BANK_COUNT 7
41 #define CLK_SOURCE_CSITE 0x1d4
42 #define CLK_SOURCE_EMC 0x19c
43 #define CLK_SOURCE_SOR1 0x410
45 #define PLLC_BASE 0x80
46 #define PLLC_OUT 0x84
47 #define PLLC_MISC0 0x88
48 #define PLLC_MISC1 0x8c
49 #define PLLC_MISC2 0x5d0
50 #define PLLC_MISC3 0x5d4
52 #define PLLC2_BASE 0x4e8
53 #define PLLC2_MISC0 0x4ec
54 #define PLLC2_MISC1 0x4f0
55 #define PLLC2_MISC2 0x4f4
56 #define PLLC2_MISC3 0x4f8
58 #define PLLC3_BASE 0x4fc
59 #define PLLC3_MISC0 0x500
60 #define PLLC3_MISC1 0x504
61 #define PLLC3_MISC2 0x508
62 #define PLLC3_MISC3 0x50c
64 #define PLLM_BASE 0x90
65 #define PLLM_MISC1 0x98
66 #define PLLM_MISC2 0x9c
67 #define PLLP_BASE 0xa0
68 #define PLLP_MISC0 0xac
69 #define PLLP_MISC1 0x680
70 #define PLLA_BASE 0xb0
71 #define PLLA_MISC0 0xbc
72 #define PLLA_MISC1 0xb8
73 #define PLLA_MISC2 0x5d8
74 #define PLLD_BASE 0xd0
75 #define PLLD_MISC0 0xdc
76 #define PLLD_MISC1 0xd8
77 #define PLLU_BASE 0xc0
78 #define PLLU_OUTA 0xc4
79 #define PLLU_MISC0 0xcc
80 #define PLLU_MISC1 0xc8
81 #define PLLX_BASE 0xe0
82 #define PLLX_MISC0 0xe4
83 #define PLLX_MISC1 0x510
84 #define PLLX_MISC2 0x514
85 #define PLLX_MISC3 0x518
86 #define PLLX_MISC4 0x5f0
87 #define PLLX_MISC5 0x5f4
88 #define PLLE_BASE 0xe8
89 #define PLLE_MISC0 0xec
90 #define PLLD2_BASE 0x4b8
91 #define PLLD2_MISC0 0x4bc
92 #define PLLD2_MISC1 0x570
93 #define PLLD2_MISC2 0x574
94 #define PLLD2_MISC3 0x578
95 #define PLLE_AUX 0x48c
96 #define PLLRE_BASE 0x4c4
97 #define PLLRE_MISC0 0x4c8
98 #define PLLRE_OUT1 0x4cc
99 #define PLLDP_BASE 0x590
100 #define PLLDP_MISC 0x594
102 #define PLLC4_BASE 0x5a4
103 #define PLLC4_MISC0 0x5a8
104 #define PLLC4_OUT 0x5e4
105 #define PLLMB_BASE 0x5e8
106 #define PLLMB_MISC1 0x5ec
107 #define PLLA1_BASE 0x6a4
108 #define PLLA1_MISC0 0x6a8
109 #define PLLA1_MISC1 0x6ac
110 #define PLLA1_MISC2 0x6b0
111 #define PLLA1_MISC3 0x6b4
113 #define PLLU_IDDQ_BIT 31
114 #define PLLCX_IDDQ_BIT 27
115 #define PLLRE_IDDQ_BIT 24
116 #define PLLA_IDDQ_BIT 25
117 #define PLLD_IDDQ_BIT 20
118 #define PLLSS_IDDQ_BIT 18
119 #define PLLM_IDDQ_BIT 5
120 #define PLLMB_IDDQ_BIT 17
121 #define PLLXP_IDDQ_BIT 3
123 #define PLLCX_RESET_BIT 30
125 #define PLL_BASE_LOCK BIT(27)
126 #define PLLCX_BASE_LOCK BIT(26)
127 #define PLLE_MISC_LOCK BIT(11)
128 #define PLLRE_MISC_LOCK BIT(27)
130 #define PLL_MISC_LOCK_ENABLE 18
131 #define PLLC_MISC_LOCK_ENABLE 24
132 #define PLLDU_MISC_LOCK_ENABLE 22
133 #define PLLU_MISC_LOCK_ENABLE 29
134 #define PLLE_MISC_LOCK_ENABLE 9
135 #define PLLRE_MISC_LOCK_ENABLE 30
136 #define PLLSS_MISC_LOCK_ENABLE 30
137 #define PLLP_MISC_LOCK_ENABLE 18
138 #define PLLM_MISC_LOCK_ENABLE 4
139 #define PLLMB_MISC_LOCK_ENABLE 16
140 #define PLLA_MISC_LOCK_ENABLE 28
141 #define PLLU_MISC_LOCK_ENABLE 29
142 #define PLLD_MISC_LOCK_ENABLE 18
144 #define PLLA_SDM_DIN_MASK 0xffff
145 #define PLLA_SDM_EN_MASK BIT(26)
147 #define PLLD_SDM_EN_MASK BIT(16)
149 #define PLLD2_SDM_EN_MASK BIT(31)
150 #define PLLD2_SSC_EN_MASK 0
152 #define PLLDP_SS_CFG 0x598
153 #define PLLDP_SDM_EN_MASK BIT(31)
154 #define PLLDP_SSC_EN_MASK BIT(30)
155 #define PLLDP_SS_CTRL1 0x59c
156 #define PLLDP_SS_CTRL2 0x5a0
158 #define PMC_PLLM_WB0_OVERRIDE 0x1dc
159 #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
161 #define UTMIP_PLL_CFG2 0x488
162 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
163 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
164 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
165 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1)
166 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
167 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3)
168 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
169 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5)
170 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24)
171 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25)
173 #define UTMIP_PLL_CFG1 0x484
174 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
175 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
176 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
177 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
178 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
179 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
180 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
182 #define SATA_PLL_CFG0 0x490
183 #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0)
184 #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET BIT(2)
185 #define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL BIT(4)
186 #define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE BIT(5)
187 #define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE BIT(6)
188 #define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE BIT(7)
190 #define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13)
191 #define SATA_PLL_CFG0_SEQ_ENABLE BIT(24)
193 #define XUSBIO_PLL_CFG0 0x51c
194 #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0)
195 #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL BIT(2)
196 #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET BIT(6)
197 #define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13)
198 #define XUSBIO_PLL_CFG0_SEQ_ENABLE BIT(24)
200 #define UTMIPLL_HW_PWRDN_CFG0 0x52c
201 #define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK BIT(31)
202 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25)
203 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
204 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(7)
205 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
206 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5)
207 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4)
208 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
209 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1)
210 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0)
212 #define PLLU_HW_PWRDN_CFG0 0x530
213 #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28)
214 #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
215 #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7)
216 #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
217 #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
218 #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0)
220 #define XUSB_PLL_CFG0 0x534
221 #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff
222 #define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK (0x3ff << 14)
224 #define SPARE_REG0 0x55c
225 #define CLK_M_DIVISOR_SHIFT 2
226 #define CLK_M_DIVISOR_MASK 0x3
228 #define RST_DFLL_DVCO 0x2f4
229 #define DVFS_DFLL_RESET_SHIFT 0
231 #define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8
232 #define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac
235 * SDM fractional divisor is 16-bit 2's complement signed number within
236 * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned
237 * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to
238 * indicate that SDM is disabled.
240 * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13
242 #define PLL_SDM_COEFF BIT(13)
243 #define sdin_din_to_data(din) ((u16)((din) ? : 0xFFFFU))
244 #define sdin_data_to_din(dat) (((dat) == 0xFFFFU) ? 0 : (s16)dat)
245 /* This macro returns ndiv effective scaled to SDM range */
246 #define sdin_get_n_eff(cfg) ((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \
247 (PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0))
249 /* Tegra CPU clock and reset control regs */
250 #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
252 #ifdef CONFIG_PM_SLEEP
253 static struct cpu_clk_suspend_context {
254 u32 clk_csite_src;
255 } tegra210_cpu_clk_sctx;
256 #endif
258 static void __iomem *clk_base;
259 static void __iomem *pmc_base;
261 static unsigned long osc_freq;
262 static unsigned long pll_ref_freq;
264 static DEFINE_SPINLOCK(pll_d_lock);
265 static DEFINE_SPINLOCK(pll_e_lock);
266 static DEFINE_SPINLOCK(pll_re_lock);
267 static DEFINE_SPINLOCK(pll_u_lock);
268 static DEFINE_SPINLOCK(sor1_lock);
269 static DEFINE_SPINLOCK(emc_lock);
271 /* possible OSC frequencies in Hz */
272 static unsigned long tegra210_input_freq[] = {
273 [5] = 38400000,
274 [8] = 12000000,
277 static const char *mux_pllmcp_clkm[] = {
278 "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb",
279 "pll_p",
281 #define mux_pllmcp_clkm_idx NULL
283 #define PLL_ENABLE (1 << 30)
285 #define PLLCX_MISC1_IDDQ (1 << 27)
286 #define PLLCX_MISC0_RESET (1 << 30)
288 #define PLLCX_MISC0_DEFAULT_VALUE 0x40080000
289 #define PLLCX_MISC0_WRITE_MASK 0x400ffffb
290 #define PLLCX_MISC1_DEFAULT_VALUE 0x08000000
291 #define PLLCX_MISC1_WRITE_MASK 0x08003cff
292 #define PLLCX_MISC2_DEFAULT_VALUE 0x1f720f05
293 #define PLLCX_MISC2_WRITE_MASK 0xffffff17
294 #define PLLCX_MISC3_DEFAULT_VALUE 0x000000c4
295 #define PLLCX_MISC3_WRITE_MASK 0x00ffffff
297 /* PLLA */
298 #define PLLA_BASE_IDDQ (1 << 25)
299 #define PLLA_BASE_LOCK (1 << 27)
301 #define PLLA_MISC0_LOCK_ENABLE (1 << 28)
302 #define PLLA_MISC0_LOCK_OVERRIDE (1 << 27)
304 #define PLLA_MISC2_EN_SDM (1 << 26)
305 #define PLLA_MISC2_EN_DYNRAMP (1 << 25)
307 #define PLLA_MISC0_DEFAULT_VALUE 0x12000020
308 #define PLLA_MISC0_WRITE_MASK 0x7fffffff
309 #define PLLA_MISC2_DEFAULT_VALUE 0x0
310 #define PLLA_MISC2_WRITE_MASK 0x06ffffff
312 /* PLLD */
313 #define PLLD_MISC0_EN_SDM (1 << 16)
314 #define PLLD_MISC0_LOCK_OVERRIDE (1 << 17)
315 #define PLLD_MISC0_LOCK_ENABLE (1 << 18)
316 #define PLLD_MISC0_IDDQ (1 << 20)
317 #define PLLD_MISC0_DSI_CLKENABLE (1 << 21)
319 #define PLLD_MISC0_DEFAULT_VALUE 0x00140000
320 #define PLLD_MISC0_WRITE_MASK 0x3ff7ffff
321 #define PLLD_MISC1_DEFAULT_VALUE 0x20
322 #define PLLD_MISC1_WRITE_MASK 0x00ffffff
324 /* PLLD2 and PLLDP and PLLC4 */
325 #define PLLDSS_BASE_LOCK (1 << 27)
326 #define PLLDSS_BASE_LOCK_OVERRIDE (1 << 24)
327 #define PLLDSS_BASE_IDDQ (1 << 18)
328 #define PLLDSS_BASE_REF_SEL_SHIFT 25
329 #define PLLDSS_BASE_REF_SEL_MASK (0x3 << PLLDSS_BASE_REF_SEL_SHIFT)
331 #define PLLDSS_MISC0_LOCK_ENABLE (1 << 30)
333 #define PLLDSS_MISC1_CFG_EN_SDM (1 << 31)
334 #define PLLDSS_MISC1_CFG_EN_SSC (1 << 30)
336 #define PLLD2_MISC0_DEFAULT_VALUE 0x40000020
337 #define PLLD2_MISC1_CFG_DEFAULT_VALUE 0x10000000
338 #define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0
339 #define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0
341 #define PLLDP_MISC0_DEFAULT_VALUE 0x40000020
342 #define PLLDP_MISC1_CFG_DEFAULT_VALUE 0xc0000000
343 #define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da
344 #define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400
346 #define PLLDSS_MISC0_WRITE_MASK 0x47ffffff
347 #define PLLDSS_MISC1_CFG_WRITE_MASK 0xf8000000
348 #define PLLDSS_MISC2_CTRL1_WRITE_MASK 0xffffffff
349 #define PLLDSS_MISC3_CTRL2_WRITE_MASK 0xffffffff
351 #define PLLC4_MISC0_DEFAULT_VALUE 0x40000000
353 /* PLLRE */
354 #define PLLRE_MISC0_LOCK_ENABLE (1 << 30)
355 #define PLLRE_MISC0_LOCK_OVERRIDE (1 << 29)
356 #define PLLRE_MISC0_LOCK (1 << 27)
357 #define PLLRE_MISC0_IDDQ (1 << 24)
359 #define PLLRE_BASE_DEFAULT_VALUE 0x0
360 #define PLLRE_MISC0_DEFAULT_VALUE 0x41000000
362 #define PLLRE_BASE_DEFAULT_MASK 0x1c000000
363 #define PLLRE_MISC0_WRITE_MASK 0x67ffffff
365 /* PLLX */
366 #define PLLX_USE_DYN_RAMP 1
367 #define PLLX_BASE_LOCK (1 << 27)
369 #define PLLX_MISC0_FO_G_DISABLE (0x1 << 28)
370 #define PLLX_MISC0_LOCK_ENABLE (0x1 << 18)
372 #define PLLX_MISC2_DYNRAMP_STEPB_SHIFT 24
373 #define PLLX_MISC2_DYNRAMP_STEPB_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT)
374 #define PLLX_MISC2_DYNRAMP_STEPA_SHIFT 16
375 #define PLLX_MISC2_DYNRAMP_STEPA_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT)
376 #define PLLX_MISC2_NDIV_NEW_SHIFT 8
377 #define PLLX_MISC2_NDIV_NEW_MASK (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT)
378 #define PLLX_MISC2_LOCK_OVERRIDE (0x1 << 4)
379 #define PLLX_MISC2_DYNRAMP_DONE (0x1 << 2)
380 #define PLLX_MISC2_EN_DYNRAMP (0x1 << 0)
382 #define PLLX_MISC3_IDDQ (0x1 << 3)
384 #define PLLX_MISC0_DEFAULT_VALUE PLLX_MISC0_LOCK_ENABLE
385 #define PLLX_MISC0_WRITE_MASK 0x10c40000
386 #define PLLX_MISC1_DEFAULT_VALUE 0x20
387 #define PLLX_MISC1_WRITE_MASK 0x00ffffff
388 #define PLLX_MISC2_DEFAULT_VALUE 0x0
389 #define PLLX_MISC2_WRITE_MASK 0xffffff11
390 #define PLLX_MISC3_DEFAULT_VALUE PLLX_MISC3_IDDQ
391 #define PLLX_MISC3_WRITE_MASK 0x01ff0f0f
392 #define PLLX_MISC4_DEFAULT_VALUE 0x0
393 #define PLLX_MISC4_WRITE_MASK 0x8000ffff
394 #define PLLX_MISC5_DEFAULT_VALUE 0x0
395 #define PLLX_MISC5_WRITE_MASK 0x0000ffff
397 #define PLLX_HW_CTRL_CFG 0x548
398 #define PLLX_HW_CTRL_CFG_SWCTRL (0x1 << 0)
400 /* PLLMB */
401 #define PLLMB_BASE_LOCK (1 << 27)
403 #define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18)
404 #define PLLMB_MISC1_IDDQ (1 << 17)
405 #define PLLMB_MISC1_LOCK_ENABLE (1 << 16)
407 #define PLLMB_MISC1_DEFAULT_VALUE 0x00030000
408 #define PLLMB_MISC1_WRITE_MASK 0x0007ffff
410 /* PLLP */
411 #define PLLP_BASE_OVERRIDE (1 << 28)
412 #define PLLP_BASE_LOCK (1 << 27)
414 #define PLLP_MISC0_LOCK_ENABLE (1 << 18)
415 #define PLLP_MISC0_LOCK_OVERRIDE (1 << 17)
416 #define PLLP_MISC0_IDDQ (1 << 3)
418 #define PLLP_MISC1_HSIO_EN_SHIFT 29
419 #define PLLP_MISC1_HSIO_EN (1 << PLLP_MISC1_HSIO_EN_SHIFT)
420 #define PLLP_MISC1_XUSB_EN_SHIFT 28
421 #define PLLP_MISC1_XUSB_EN (1 << PLLP_MISC1_XUSB_EN_SHIFT)
423 #define PLLP_MISC0_DEFAULT_VALUE 0x00040008
424 #define PLLP_MISC1_DEFAULT_VALUE 0x0
426 #define PLLP_MISC0_WRITE_MASK 0xdc6000f
427 #define PLLP_MISC1_WRITE_MASK 0x70ffffff
429 /* PLLU */
430 #define PLLU_BASE_LOCK (1 << 27)
431 #define PLLU_BASE_OVERRIDE (1 << 24)
432 #define PLLU_BASE_CLKENABLE_USB (1 << 21)
433 #define PLLU_BASE_CLKENABLE_HSIC (1 << 22)
434 #define PLLU_BASE_CLKENABLE_ICUSB (1 << 23)
435 #define PLLU_BASE_CLKENABLE_48M (1 << 25)
436 #define PLLU_BASE_CLKENABLE_ALL (PLLU_BASE_CLKENABLE_USB |\
437 PLLU_BASE_CLKENABLE_HSIC |\
438 PLLU_BASE_CLKENABLE_ICUSB |\
439 PLLU_BASE_CLKENABLE_48M)
441 #define PLLU_MISC0_IDDQ (1 << 31)
442 #define PLLU_MISC0_LOCK_ENABLE (1 << 29)
443 #define PLLU_MISC1_LOCK_OVERRIDE (1 << 0)
445 #define PLLU_MISC0_DEFAULT_VALUE 0xa0000000
446 #define PLLU_MISC1_DEFAULT_VALUE 0x0
448 #define PLLU_MISC0_WRITE_MASK 0xbfffffff
449 #define PLLU_MISC1_WRITE_MASK 0x00000007
451 void tegra210_xusb_pll_hw_control_enable(void)
453 u32 val;
455 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
456 val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL |
457 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL);
458 val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET |
459 XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ;
460 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
462 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable);
464 void tegra210_xusb_pll_hw_sequence_start(void)
466 u32 val;
468 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
469 val |= XUSBIO_PLL_CFG0_SEQ_ENABLE;
470 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
472 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start);
474 void tegra210_sata_pll_hw_control_enable(void)
476 u32 val;
478 val = readl_relaxed(clk_base + SATA_PLL_CFG0);
479 val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL;
480 val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET |
481 SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ;
482 writel_relaxed(val, clk_base + SATA_PLL_CFG0);
484 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable);
486 void tegra210_sata_pll_hw_sequence_start(void)
488 u32 val;
490 val = readl_relaxed(clk_base + SATA_PLL_CFG0);
491 val |= SATA_PLL_CFG0_SEQ_ENABLE;
492 writel_relaxed(val, clk_base + SATA_PLL_CFG0);
494 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start);
496 void tegra210_set_sata_pll_seq_sw(bool state)
498 u32 val;
500 val = readl_relaxed(clk_base + SATA_PLL_CFG0);
501 if (state) {
502 val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
503 val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
504 val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
505 val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
506 } else {
507 val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
508 val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
509 val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
510 val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
512 writel_relaxed(val, clk_base + SATA_PLL_CFG0);
514 EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw);
516 static inline void _pll_misc_chk_default(void __iomem *base,
517 struct tegra_clk_pll_params *params,
518 u8 misc_num, u32 default_val, u32 mask)
520 u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]);
522 boot_val &= mask;
523 default_val &= mask;
524 if (boot_val != default_val) {
525 pr_warn("boot misc%d 0x%x: expected 0x%x\n",
526 misc_num, boot_val, default_val);
527 pr_warn(" (comparison mask = 0x%x)\n", mask);
528 params->defaults_set = false;
533 * PLLCX: PLLC, PLLC2, PLLC3, PLLA1
534 * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition
535 * that changes NDIV only, while PLL is already locked.
537 static void pllcx_check_defaults(struct tegra_clk_pll_params *params)
539 u32 default_val;
541 default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET);
542 _pll_misc_chk_default(clk_base, params, 0, default_val,
543 PLLCX_MISC0_WRITE_MASK);
545 default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ);
546 _pll_misc_chk_default(clk_base, params, 1, default_val,
547 PLLCX_MISC1_WRITE_MASK);
549 default_val = PLLCX_MISC2_DEFAULT_VALUE;
550 _pll_misc_chk_default(clk_base, params, 2, default_val,
551 PLLCX_MISC2_WRITE_MASK);
553 default_val = PLLCX_MISC3_DEFAULT_VALUE;
554 _pll_misc_chk_default(clk_base, params, 3, default_val,
555 PLLCX_MISC3_WRITE_MASK);
558 static void tegra210_pllcx_set_defaults(const char *name,
559 struct tegra_clk_pll *pllcx)
561 pllcx->params->defaults_set = true;
563 if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) {
564 /* PLL is ON: only check if defaults already set */
565 pllcx_check_defaults(pllcx->params);
566 if (!pllcx->params->defaults_set)
567 pr_warn("%s already enabled. Postponing set full defaults\n",
568 name);
569 return;
572 /* Defaults assert PLL reset, and set IDDQ */
573 writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE,
574 clk_base + pllcx->params->ext_misc_reg[0]);
575 writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE,
576 clk_base + pllcx->params->ext_misc_reg[1]);
577 writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE,
578 clk_base + pllcx->params->ext_misc_reg[2]);
579 writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE,
580 clk_base + pllcx->params->ext_misc_reg[3]);
581 udelay(1);
584 static void _pllc_set_defaults(struct tegra_clk_pll *pllcx)
586 tegra210_pllcx_set_defaults("PLL_C", pllcx);
589 static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx)
591 tegra210_pllcx_set_defaults("PLL_C2", pllcx);
594 static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx)
596 tegra210_pllcx_set_defaults("PLL_C3", pllcx);
599 static void _plla1_set_defaults(struct tegra_clk_pll *pllcx)
601 tegra210_pllcx_set_defaults("PLL_A1", pllcx);
605 * PLLA
606 * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used.
607 * Fractional SDM is allowed to provide exact audio rates.
609 static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla)
611 u32 mask;
612 u32 val = readl_relaxed(clk_base + plla->params->base_reg);
614 plla->params->defaults_set = true;
616 if (val & PLL_ENABLE) {
618 * PLL is ON: check if defaults already set, then set those
619 * that can be updated in flight.
621 if (val & PLLA_BASE_IDDQ) {
622 pr_warn("PLL_A boot enabled with IDDQ set\n");
623 plla->params->defaults_set = false;
626 pr_warn("PLL_A already enabled. Postponing set full defaults\n");
628 val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */
629 mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE;
630 _pll_misc_chk_default(clk_base, plla->params, 0, val,
631 ~mask & PLLA_MISC0_WRITE_MASK);
633 val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */
634 _pll_misc_chk_default(clk_base, plla->params, 2, val,
635 PLLA_MISC2_EN_DYNRAMP);
637 /* Enable lock detect */
638 val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]);
639 val &= ~mask;
640 val |= PLLA_MISC0_DEFAULT_VALUE & mask;
641 writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]);
642 udelay(1);
644 return;
647 /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */
648 val |= PLLA_BASE_IDDQ;
649 writel_relaxed(val, clk_base + plla->params->base_reg);
650 writel_relaxed(PLLA_MISC0_DEFAULT_VALUE,
651 clk_base + plla->params->ext_misc_reg[0]);
652 writel_relaxed(PLLA_MISC2_DEFAULT_VALUE,
653 clk_base + plla->params->ext_misc_reg[2]);
654 udelay(1);
658 * PLLD
659 * PLL with fractional SDM.
661 static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld)
663 u32 val;
664 u32 mask = 0xffff;
666 plld->params->defaults_set = true;
668 if (readl_relaxed(clk_base + plld->params->base_reg) &
669 PLL_ENABLE) {
672 * PLL is ON: check if defaults already set, then set those
673 * that can be updated in flight.
675 val = PLLD_MISC1_DEFAULT_VALUE;
676 _pll_misc_chk_default(clk_base, plld->params, 1,
677 val, PLLD_MISC1_WRITE_MASK);
679 /* ignore lock, DSI and SDM controls, make sure IDDQ not set */
680 val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ);
681 mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE |
682 PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM;
683 _pll_misc_chk_default(clk_base, plld->params, 0, val,
684 ~mask & PLLD_MISC0_WRITE_MASK);
686 if (!plld->params->defaults_set)
687 pr_warn("PLL_D already enabled. Postponing set full defaults\n");
689 /* Enable lock detect */
690 mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE;
691 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
692 val &= ~mask;
693 val |= PLLD_MISC0_DEFAULT_VALUE & mask;
694 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
695 udelay(1);
697 return;
700 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
701 val &= PLLD_MISC0_DSI_CLKENABLE;
702 val |= PLLD_MISC0_DEFAULT_VALUE;
703 /* set IDDQ, enable lock detect, disable SDM */
704 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
705 writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base +
706 plld->params->ext_misc_reg[1]);
707 udelay(1);
711 * PLLD2, PLLDP
712 * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used).
714 static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss,
715 u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val)
717 u32 default_val;
718 u32 val = readl_relaxed(clk_base + plldss->params->base_reg);
720 plldss->params->defaults_set = true;
722 if (val & PLL_ENABLE) {
725 * PLL is ON: check if defaults already set, then set those
726 * that can be updated in flight.
728 if (val & PLLDSS_BASE_IDDQ) {
729 pr_warn("plldss boot enabled with IDDQ set\n");
730 plldss->params->defaults_set = false;
733 /* ignore lock enable */
734 default_val = misc0_val;
735 _pll_misc_chk_default(clk_base, plldss->params, 0, default_val,
736 PLLDSS_MISC0_WRITE_MASK &
737 (~PLLDSS_MISC0_LOCK_ENABLE));
740 * If SSC is used, check all settings, otherwise just confirm
741 * that SSC is not used on boot as well. Do nothing when using
742 * this function for PLLC4 that has only MISC0.
744 if (plldss->params->ssc_ctrl_en_mask) {
745 default_val = misc1_val;
746 _pll_misc_chk_default(clk_base, plldss->params, 1,
747 default_val, PLLDSS_MISC1_CFG_WRITE_MASK);
748 default_val = misc2_val;
749 _pll_misc_chk_default(clk_base, plldss->params, 2,
750 default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK);
751 default_val = misc3_val;
752 _pll_misc_chk_default(clk_base, plldss->params, 3,
753 default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK);
754 } else if (plldss->params->ext_misc_reg[1]) {
755 default_val = misc1_val;
756 _pll_misc_chk_default(clk_base, plldss->params, 1,
757 default_val, PLLDSS_MISC1_CFG_WRITE_MASK &
758 (~PLLDSS_MISC1_CFG_EN_SDM));
761 if (!plldss->params->defaults_set)
762 pr_warn("%s already enabled. Postponing set full defaults\n",
763 pll_name);
765 /* Enable lock detect */
766 if (val & PLLDSS_BASE_LOCK_OVERRIDE) {
767 val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
768 writel_relaxed(val, clk_base +
769 plldss->params->base_reg);
772 val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]);
773 val &= ~PLLDSS_MISC0_LOCK_ENABLE;
774 val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE;
775 writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]);
776 udelay(1);
778 return;
781 /* set IDDQ, enable lock detect, configure SDM/SSC */
782 val |= PLLDSS_BASE_IDDQ;
783 val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
784 writel_relaxed(val, clk_base + plldss->params->base_reg);
786 /* When using this function for PLLC4 exit here */
787 if (!plldss->params->ext_misc_reg[1]) {
788 writel_relaxed(misc0_val, clk_base +
789 plldss->params->ext_misc_reg[0]);
790 udelay(1);
791 return;
794 writel_relaxed(misc0_val, clk_base +
795 plldss->params->ext_misc_reg[0]);
796 /* if SSC used set by 1st enable */
797 writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC),
798 clk_base + plldss->params->ext_misc_reg[1]);
799 writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]);
800 writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]);
801 udelay(1);
804 static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2)
806 plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE,
807 PLLD2_MISC1_CFG_DEFAULT_VALUE,
808 PLLD2_MISC2_CTRL1_DEFAULT_VALUE,
809 PLLD2_MISC3_CTRL2_DEFAULT_VALUE);
812 static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp)
814 plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE,
815 PLLDP_MISC1_CFG_DEFAULT_VALUE,
816 PLLDP_MISC2_CTRL1_DEFAULT_VALUE,
817 PLLDP_MISC3_CTRL2_DEFAULT_VALUE);
821 * PLLC4
822 * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support.
823 * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers.
825 static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4)
827 plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0);
831 * PLLRE
832 * VCO is exposed to the clock tree directly along with post-divider output
834 static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre)
836 u32 mask;
837 u32 val = readl_relaxed(clk_base + pllre->params->base_reg);
839 pllre->params->defaults_set = true;
841 if (val & PLL_ENABLE) {
842 pr_warn("PLL_RE already enabled. Postponing set full defaults\n");
845 * PLL is ON: check if defaults already set, then set those
846 * that can be updated in flight.
848 val &= PLLRE_BASE_DEFAULT_MASK;
849 if (val != PLLRE_BASE_DEFAULT_VALUE) {
850 pr_warn("pllre boot base 0x%x : expected 0x%x\n",
851 val, PLLRE_BASE_DEFAULT_VALUE);
852 pr_warn("(comparison mask = 0x%x)\n",
853 PLLRE_BASE_DEFAULT_MASK);
854 pllre->params->defaults_set = false;
857 /* Ignore lock enable */
858 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ);
859 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE;
860 _pll_misc_chk_default(clk_base, pllre->params, 0, val,
861 ~mask & PLLRE_MISC0_WRITE_MASK);
863 /* Enable lock detect */
864 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]);
865 val &= ~mask;
866 val |= PLLRE_MISC0_DEFAULT_VALUE & mask;
867 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]);
868 udelay(1);
870 return;
873 /* set IDDQ, enable lock detect */
874 val &= ~PLLRE_BASE_DEFAULT_MASK;
875 val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK;
876 writel_relaxed(val, clk_base + pllre->params->base_reg);
877 writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE,
878 clk_base + pllre->params->ext_misc_reg[0]);
879 udelay(1);
882 static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b)
884 unsigned long input_rate;
886 /* cf rate */
887 if (!IS_ERR_OR_NULL(hw->clk))
888 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
889 else
890 input_rate = 38400000;
892 input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate);
894 switch (input_rate) {
895 case 12000000:
896 case 12800000:
897 case 13000000:
898 *step_a = 0x2B;
899 *step_b = 0x0B;
900 return;
901 case 19200000:
902 *step_a = 0x12;
903 *step_b = 0x08;
904 return;
905 case 38400000:
906 *step_a = 0x04;
907 *step_b = 0x05;
908 return;
909 default:
910 pr_err("%s: Unexpected reference rate %lu\n",
911 __func__, input_rate);
912 BUG();
916 static void pllx_check_defaults(struct tegra_clk_pll *pll)
918 u32 default_val;
920 default_val = PLLX_MISC0_DEFAULT_VALUE;
921 /* ignore lock enable */
922 _pll_misc_chk_default(clk_base, pll->params, 0, default_val,
923 PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE));
925 default_val = PLLX_MISC1_DEFAULT_VALUE;
926 _pll_misc_chk_default(clk_base, pll->params, 1, default_val,
927 PLLX_MISC1_WRITE_MASK);
929 /* ignore all but control bit */
930 default_val = PLLX_MISC2_DEFAULT_VALUE;
931 _pll_misc_chk_default(clk_base, pll->params, 2,
932 default_val, PLLX_MISC2_EN_DYNRAMP);
934 default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ);
935 _pll_misc_chk_default(clk_base, pll->params, 3, default_val,
936 PLLX_MISC3_WRITE_MASK);
938 default_val = PLLX_MISC4_DEFAULT_VALUE;
939 _pll_misc_chk_default(clk_base, pll->params, 4, default_val,
940 PLLX_MISC4_WRITE_MASK);
942 default_val = PLLX_MISC5_DEFAULT_VALUE;
943 _pll_misc_chk_default(clk_base, pll->params, 5, default_val,
944 PLLX_MISC5_WRITE_MASK);
947 static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx)
949 u32 val;
950 u32 step_a, step_b;
952 pllx->params->defaults_set = true;
954 /* Get ready dyn ramp state machine settings */
955 pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b);
956 val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) &
957 (~PLLX_MISC2_DYNRAMP_STEPB_MASK);
958 val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT;
959 val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT;
961 if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) {
964 * PLL is ON: check if defaults already set, then set those
965 * that can be updated in flight.
967 pllx_check_defaults(pllx);
969 if (!pllx->params->defaults_set)
970 pr_warn("PLL_X already enabled. Postponing set full defaults\n");
971 /* Configure dyn ramp, disable lock override */
972 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
974 /* Enable lock detect */
975 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]);
976 val &= ~PLLX_MISC0_LOCK_ENABLE;
977 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE;
978 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]);
979 udelay(1);
981 return;
984 /* Enable lock detect and CPU output */
985 writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base +
986 pllx->params->ext_misc_reg[0]);
988 /* Setup */
989 writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base +
990 pllx->params->ext_misc_reg[1]);
992 /* Configure dyn ramp state machine, disable lock override */
993 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
995 /* Set IDDQ */
996 writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base +
997 pllx->params->ext_misc_reg[3]);
999 /* Disable SDM */
1000 writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base +
1001 pllx->params->ext_misc_reg[4]);
1002 writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base +
1003 pllx->params->ext_misc_reg[5]);
1004 udelay(1);
1007 /* PLLMB */
1008 static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb)
1010 u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg);
1012 pllmb->params->defaults_set = true;
1014 if (val & PLL_ENABLE) {
1017 * PLL is ON: check if defaults already set, then set those
1018 * that can be updated in flight.
1020 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ);
1021 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE;
1022 _pll_misc_chk_default(clk_base, pllmb->params, 0, val,
1023 ~mask & PLLMB_MISC1_WRITE_MASK);
1025 if (!pllmb->params->defaults_set)
1026 pr_warn("PLL_MB already enabled. Postponing set full defaults\n");
1027 /* Enable lock detect */
1028 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]);
1029 val &= ~mask;
1030 val |= PLLMB_MISC1_DEFAULT_VALUE & mask;
1031 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]);
1032 udelay(1);
1034 return;
1037 /* set IDDQ, enable lock detect */
1038 writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE,
1039 clk_base + pllmb->params->ext_misc_reg[0]);
1040 udelay(1);
1044 * PLLP
1045 * VCO is exposed to the clock tree directly along with post-divider output.
1046 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz,
1047 * respectively.
1049 static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled)
1051 u32 val, mask;
1053 /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */
1054 val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ);
1055 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1056 if (!enabled)
1057 mask |= PLLP_MISC0_IDDQ;
1058 _pll_misc_chk_default(clk_base, pll->params, 0, val,
1059 ~mask & PLLP_MISC0_WRITE_MASK);
1061 /* Ignore branch controls */
1062 val = PLLP_MISC1_DEFAULT_VALUE;
1063 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1064 _pll_misc_chk_default(clk_base, pll->params, 1, val,
1065 ~mask & PLLP_MISC1_WRITE_MASK);
1068 static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp)
1070 u32 mask;
1071 u32 val = readl_relaxed(clk_base + pllp->params->base_reg);
1073 pllp->params->defaults_set = true;
1075 if (val & PLL_ENABLE) {
1078 * PLL is ON: check if defaults already set, then set those
1079 * that can be updated in flight.
1081 pllp_check_defaults(pllp, true);
1082 if (!pllp->params->defaults_set)
1083 pr_warn("PLL_P already enabled. Postponing set full defaults\n");
1085 /* Enable lock detect */
1086 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]);
1087 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1088 val &= ~mask;
1089 val |= PLLP_MISC0_DEFAULT_VALUE & mask;
1090 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]);
1091 udelay(1);
1093 return;
1096 /* set IDDQ, enable lock detect */
1097 writel_relaxed(PLLP_MISC0_DEFAULT_VALUE,
1098 clk_base + pllp->params->ext_misc_reg[0]);
1100 /* Preserve branch control */
1101 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]);
1102 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1103 val &= mask;
1104 val |= ~mask & PLLP_MISC1_DEFAULT_VALUE;
1105 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]);
1106 udelay(1);
1110 * PLLU
1111 * VCO is exposed to the clock tree directly along with post-divider output.
1112 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz,
1113 * respectively.
1115 static void pllu_check_defaults(struct tegra_clk_pll_params *params,
1116 bool hw_control)
1118 u32 val, mask;
1120 /* Ignore lock enable (will be set) and IDDQ if under h/w control */
1121 val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ);
1122 mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0);
1123 _pll_misc_chk_default(clk_base, params, 0, val,
1124 ~mask & PLLU_MISC0_WRITE_MASK);
1126 val = PLLU_MISC1_DEFAULT_VALUE;
1127 mask = PLLU_MISC1_LOCK_OVERRIDE;
1128 _pll_misc_chk_default(clk_base, params, 1, val,
1129 ~mask & PLLU_MISC1_WRITE_MASK);
1132 static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu)
1134 u32 val = readl_relaxed(clk_base + pllu->base_reg);
1136 pllu->defaults_set = true;
1138 if (val & PLL_ENABLE) {
1141 * PLL is ON: check if defaults already set, then set those
1142 * that can be updated in flight.
1144 pllu_check_defaults(pllu, false);
1145 if (!pllu->defaults_set)
1146 pr_warn("PLL_U already enabled. Postponing set full defaults\n");
1148 /* Enable lock detect */
1149 val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]);
1150 val &= ~PLLU_MISC0_LOCK_ENABLE;
1151 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE;
1152 writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]);
1154 val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]);
1155 val &= ~PLLU_MISC1_LOCK_OVERRIDE;
1156 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE;
1157 writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]);
1158 udelay(1);
1160 return;
1163 /* set IDDQ, enable lock detect */
1164 writel_relaxed(PLLU_MISC0_DEFAULT_VALUE,
1165 clk_base + pllu->ext_misc_reg[0]);
1166 writel_relaxed(PLLU_MISC1_DEFAULT_VALUE,
1167 clk_base + pllu->ext_misc_reg[1]);
1168 udelay(1);
1171 #define mask(w) ((1 << (w)) - 1)
1172 #define divm_mask(p) mask(p->params->div_nmp->divm_width)
1173 #define divn_mask(p) mask(p->params->div_nmp->divn_width)
1174 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
1175 mask(p->params->div_nmp->divp_width))
1177 #define divm_shift(p) ((p)->params->div_nmp->divm_shift)
1178 #define divn_shift(p) ((p)->params->div_nmp->divn_shift)
1179 #define divp_shift(p) ((p)->params->div_nmp->divp_shift)
1181 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
1182 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
1183 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
1185 #define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */
1186 static int tegra210_wait_for_mask(struct tegra_clk_pll *pll,
1187 u32 reg, u32 mask)
1189 int i;
1190 u32 val = 0;
1192 for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) {
1193 udelay(PLL_LOCKDET_DELAY);
1194 val = readl_relaxed(clk_base + reg);
1195 if ((val & mask) == mask) {
1196 udelay(PLL_LOCKDET_DELAY);
1197 return 0;
1200 return -ETIMEDOUT;
1203 static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx,
1204 struct tegra_clk_pll_freq_table *cfg)
1206 u32 val, base, ndiv_new_mask;
1208 ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift)
1209 << PLLX_MISC2_NDIV_NEW_SHIFT;
1211 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1212 val &= (~ndiv_new_mask);
1213 val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT;
1214 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1215 udelay(1);
1217 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1218 val |= PLLX_MISC2_EN_DYNRAMP;
1219 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1220 udelay(1);
1222 tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2],
1223 PLLX_MISC2_DYNRAMP_DONE);
1225 base = readl_relaxed(clk_base + pllx->params->base_reg) &
1226 (~divn_mask_shifted(pllx));
1227 base |= cfg->n << pllx->params->div_nmp->divn_shift;
1228 writel_relaxed(base, clk_base + pllx->params->base_reg);
1229 udelay(1);
1231 val &= ~PLLX_MISC2_EN_DYNRAMP;
1232 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1233 udelay(1);
1235 pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n",
1236 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p,
1237 cfg->input_rate / cfg->m * cfg->n /
1238 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000);
1240 return 0;
1244 * Common configuration for PLLs with fixed input divider policy:
1245 * - always set fixed M-value based on the reference rate
1246 * - always set P-value value 1:1 for output rates above VCO minimum, and
1247 * choose minimum necessary P-value for output rates below VCO maximum
1248 * - calculate N-value based on selected M and P
1249 * - calculate SDM_DIN fractional part
1251 static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
1252 struct tegra_clk_pll_freq_table *cfg,
1253 unsigned long rate, unsigned long input_rate)
1255 struct tegra_clk_pll *pll = to_clk_pll(hw);
1256 struct tegra_clk_pll_params *params = pll->params;
1257 int p;
1258 unsigned long cf, p_rate;
1259 u32 pdiv;
1261 if (!rate)
1262 return -EINVAL;
1264 if (!(params->flags & TEGRA_PLL_VCO_OUT)) {
1265 p = DIV_ROUND_UP(params->vco_min, rate);
1266 p = params->round_p_to_pdiv(p, &pdiv);
1267 } else {
1268 p = rate >= params->vco_min ? 1 : -EINVAL;
1271 if (p < 0)
1272 return -EINVAL;
1274 cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate);
1275 cfg->p = p;
1277 /* Store P as HW value, as that is what is expected */
1278 cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p);
1280 p_rate = rate * p;
1281 if (p_rate > params->vco_max)
1282 p_rate = params->vco_max;
1283 cf = input_rate / cfg->m;
1284 cfg->n = p_rate / cf;
1286 cfg->sdm_data = 0;
1287 cfg->output_rate = input_rate;
1288 if (params->sdm_ctrl_reg) {
1289 unsigned long rem = p_rate - cf * cfg->n;
1290 /* If ssc is enabled SDM enabled as well, even for integer n */
1291 if (rem || params->ssc_ctrl_reg) {
1292 u64 s = rem * PLL_SDM_COEFF;
1294 do_div(s, cf);
1295 s -= PLL_SDM_COEFF / 2;
1296 cfg->sdm_data = sdin_din_to_data(s);
1298 cfg->output_rate *= sdin_get_n_eff(cfg);
1299 cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF;
1300 } else {
1301 cfg->output_rate *= cfg->n;
1302 cfg->output_rate /= p * cfg->m;
1305 cfg->input_rate = input_rate;
1307 return 0;
1311 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate
1313 * @cfg: struct tegra_clk_pll_freq_table * cfg
1315 * For Normal mode:
1316 * Fvco = Fref * NDIV / MDIV
1318 * For fractional mode:
1319 * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV
1321 static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg)
1323 cfg->n = sdin_get_n_eff(cfg);
1324 cfg->m *= PLL_SDM_COEFF;
1327 static unsigned long
1328 tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params,
1329 unsigned long parent_rate)
1331 unsigned long vco_min = params->vco_min;
1333 params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF);
1334 vco_min = min(vco_min, params->vco_min);
1336 return vco_min;
1339 static struct div_nmp pllx_nmp = {
1340 .divm_shift = 0,
1341 .divm_width = 8,
1342 .divn_shift = 8,
1343 .divn_width = 8,
1344 .divp_shift = 20,
1345 .divp_width = 5,
1348 * PLL post divider maps - two types: quasi-linear and exponential
1349 * post divider.
1351 #define PLL_QLIN_PDIV_MAX 16
1352 static const struct pdiv_map pll_qlin_pdiv_to_hw[] = {
1353 { .pdiv = 1, .hw_val = 0 },
1354 { .pdiv = 2, .hw_val = 1 },
1355 { .pdiv = 3, .hw_val = 2 },
1356 { .pdiv = 4, .hw_val = 3 },
1357 { .pdiv = 5, .hw_val = 4 },
1358 { .pdiv = 6, .hw_val = 5 },
1359 { .pdiv = 8, .hw_val = 6 },
1360 { .pdiv = 9, .hw_val = 7 },
1361 { .pdiv = 10, .hw_val = 8 },
1362 { .pdiv = 12, .hw_val = 9 },
1363 { .pdiv = 15, .hw_val = 10 },
1364 { .pdiv = 16, .hw_val = 11 },
1365 { .pdiv = 18, .hw_val = 12 },
1366 { .pdiv = 20, .hw_val = 13 },
1367 { .pdiv = 24, .hw_val = 14 },
1368 { .pdiv = 30, .hw_val = 15 },
1369 { .pdiv = 32, .hw_val = 16 },
1372 static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv)
1374 int i;
1376 if (p) {
1377 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) {
1378 if (p <= pll_qlin_pdiv_to_hw[i].pdiv) {
1379 if (pdiv)
1380 *pdiv = i;
1381 return pll_qlin_pdiv_to_hw[i].pdiv;
1386 return -EINVAL;
1389 #define PLL_EXPO_PDIV_MAX 7
1390 static const struct pdiv_map pll_expo_pdiv_to_hw[] = {
1391 { .pdiv = 1, .hw_val = 0 },
1392 { .pdiv = 2, .hw_val = 1 },
1393 { .pdiv = 4, .hw_val = 2 },
1394 { .pdiv = 8, .hw_val = 3 },
1395 { .pdiv = 16, .hw_val = 4 },
1396 { .pdiv = 32, .hw_val = 5 },
1397 { .pdiv = 64, .hw_val = 6 },
1398 { .pdiv = 128, .hw_val = 7 },
1401 static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv)
1403 if (p) {
1404 u32 i = fls(p);
1406 if (i == ffs(p))
1407 i--;
1409 if (i <= PLL_EXPO_PDIV_MAX) {
1410 if (pdiv)
1411 *pdiv = i;
1412 return 1 << i;
1415 return -EINVAL;
1418 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
1419 /* 1 GHz */
1420 { 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */
1421 { 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */
1422 { 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */
1423 { 0, 0, 0, 0, 0, 0 },
1426 static struct tegra_clk_pll_params pll_x_params = {
1427 .input_min = 12000000,
1428 .input_max = 800000000,
1429 .cf_min = 12000000,
1430 .cf_max = 38400000,
1431 .vco_min = 1350000000,
1432 .vco_max = 3000000000UL,
1433 .base_reg = PLLX_BASE,
1434 .misc_reg = PLLX_MISC0,
1435 .lock_mask = PLL_BASE_LOCK,
1436 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
1437 .lock_delay = 300,
1438 .ext_misc_reg[0] = PLLX_MISC0,
1439 .ext_misc_reg[1] = PLLX_MISC1,
1440 .ext_misc_reg[2] = PLLX_MISC2,
1441 .ext_misc_reg[3] = PLLX_MISC3,
1442 .ext_misc_reg[4] = PLLX_MISC4,
1443 .ext_misc_reg[5] = PLLX_MISC5,
1444 .iddq_reg = PLLX_MISC3,
1445 .iddq_bit_idx = PLLXP_IDDQ_BIT,
1446 .max_p = PLL_QLIN_PDIV_MAX,
1447 .mdiv_default = 2,
1448 .dyn_ramp_reg = PLLX_MISC2,
1449 .stepa_shift = 16,
1450 .stepb_shift = 24,
1451 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1452 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1453 .div_nmp = &pllx_nmp,
1454 .freq_table = pll_x_freq_table,
1455 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1456 .dyn_ramp = tegra210_pllx_dyn_ramp,
1457 .set_defaults = tegra210_pllx_set_defaults,
1458 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1461 static struct div_nmp pllc_nmp = {
1462 .divm_shift = 0,
1463 .divm_width = 8,
1464 .divn_shift = 10,
1465 .divn_width = 8,
1466 .divp_shift = 20,
1467 .divp_width = 5,
1470 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
1471 { 12000000, 510000000, 85, 1, 2, 0 },
1472 { 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */
1473 { 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */
1474 { 0, 0, 0, 0, 0, 0 },
1477 static struct tegra_clk_pll_params pll_c_params = {
1478 .input_min = 12000000,
1479 .input_max = 700000000,
1480 .cf_min = 12000000,
1481 .cf_max = 50000000,
1482 .vco_min = 600000000,
1483 .vco_max = 1200000000,
1484 .base_reg = PLLC_BASE,
1485 .misc_reg = PLLC_MISC0,
1486 .lock_mask = PLL_BASE_LOCK,
1487 .lock_delay = 300,
1488 .iddq_reg = PLLC_MISC1,
1489 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1490 .reset_reg = PLLC_MISC0,
1491 .reset_bit_idx = PLLCX_RESET_BIT,
1492 .max_p = PLL_QLIN_PDIV_MAX,
1493 .ext_misc_reg[0] = PLLC_MISC0,
1494 .ext_misc_reg[1] = PLLC_MISC1,
1495 .ext_misc_reg[2] = PLLC_MISC2,
1496 .ext_misc_reg[3] = PLLC_MISC3,
1497 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1498 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1499 .mdiv_default = 3,
1500 .div_nmp = &pllc_nmp,
1501 .freq_table = pll_cx_freq_table,
1502 .flags = TEGRA_PLL_USE_LOCK,
1503 .set_defaults = _pllc_set_defaults,
1504 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1507 static struct div_nmp pllcx_nmp = {
1508 .divm_shift = 0,
1509 .divm_width = 8,
1510 .divn_shift = 10,
1511 .divn_width = 8,
1512 .divp_shift = 20,
1513 .divp_width = 5,
1516 static struct tegra_clk_pll_params pll_c2_params = {
1517 .input_min = 12000000,
1518 .input_max = 700000000,
1519 .cf_min = 12000000,
1520 .cf_max = 50000000,
1521 .vco_min = 600000000,
1522 .vco_max = 1200000000,
1523 .base_reg = PLLC2_BASE,
1524 .misc_reg = PLLC2_MISC0,
1525 .iddq_reg = PLLC2_MISC1,
1526 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1527 .reset_reg = PLLC2_MISC0,
1528 .reset_bit_idx = PLLCX_RESET_BIT,
1529 .lock_mask = PLLCX_BASE_LOCK,
1530 .lock_delay = 300,
1531 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1532 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1533 .mdiv_default = 3,
1534 .div_nmp = &pllcx_nmp,
1535 .max_p = PLL_QLIN_PDIV_MAX,
1536 .ext_misc_reg[0] = PLLC2_MISC0,
1537 .ext_misc_reg[1] = PLLC2_MISC1,
1538 .ext_misc_reg[2] = PLLC2_MISC2,
1539 .ext_misc_reg[3] = PLLC2_MISC3,
1540 .freq_table = pll_cx_freq_table,
1541 .flags = TEGRA_PLL_USE_LOCK,
1542 .set_defaults = _pllc2_set_defaults,
1543 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1546 static struct tegra_clk_pll_params pll_c3_params = {
1547 .input_min = 12000000,
1548 .input_max = 700000000,
1549 .cf_min = 12000000,
1550 .cf_max = 50000000,
1551 .vco_min = 600000000,
1552 .vco_max = 1200000000,
1553 .base_reg = PLLC3_BASE,
1554 .misc_reg = PLLC3_MISC0,
1555 .lock_mask = PLLCX_BASE_LOCK,
1556 .lock_delay = 300,
1557 .iddq_reg = PLLC3_MISC1,
1558 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1559 .reset_reg = PLLC3_MISC0,
1560 .reset_bit_idx = PLLCX_RESET_BIT,
1561 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1562 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1563 .mdiv_default = 3,
1564 .div_nmp = &pllcx_nmp,
1565 .max_p = PLL_QLIN_PDIV_MAX,
1566 .ext_misc_reg[0] = PLLC3_MISC0,
1567 .ext_misc_reg[1] = PLLC3_MISC1,
1568 .ext_misc_reg[2] = PLLC3_MISC2,
1569 .ext_misc_reg[3] = PLLC3_MISC3,
1570 .freq_table = pll_cx_freq_table,
1571 .flags = TEGRA_PLL_USE_LOCK,
1572 .set_defaults = _pllc3_set_defaults,
1573 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1576 static struct div_nmp pllss_nmp = {
1577 .divm_shift = 0,
1578 .divm_width = 8,
1579 .divn_shift = 8,
1580 .divn_width = 8,
1581 .divp_shift = 19,
1582 .divp_width = 5,
1585 static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = {
1586 { 12000000, 600000000, 50, 1, 1, 0 },
1587 { 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */
1588 { 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */
1589 { 0, 0, 0, 0, 0, 0 },
1592 static const struct clk_div_table pll_vco_post_div_table[] = {
1593 { .val = 0, .div = 1 },
1594 { .val = 1, .div = 2 },
1595 { .val = 2, .div = 3 },
1596 { .val = 3, .div = 4 },
1597 { .val = 4, .div = 5 },
1598 { .val = 5, .div = 6 },
1599 { .val = 6, .div = 8 },
1600 { .val = 7, .div = 10 },
1601 { .val = 8, .div = 12 },
1602 { .val = 9, .div = 16 },
1603 { .val = 10, .div = 12 },
1604 { .val = 11, .div = 16 },
1605 { .val = 12, .div = 20 },
1606 { .val = 13, .div = 24 },
1607 { .val = 14, .div = 32 },
1608 { .val = 0, .div = 0 },
1611 static struct tegra_clk_pll_params pll_c4_vco_params = {
1612 .input_min = 9600000,
1613 .input_max = 800000000,
1614 .cf_min = 9600000,
1615 .cf_max = 19200000,
1616 .vco_min = 500000000,
1617 .vco_max = 1080000000,
1618 .base_reg = PLLC4_BASE,
1619 .misc_reg = PLLC4_MISC0,
1620 .lock_mask = PLL_BASE_LOCK,
1621 .lock_delay = 300,
1622 .max_p = PLL_QLIN_PDIV_MAX,
1623 .ext_misc_reg[0] = PLLC4_MISC0,
1624 .iddq_reg = PLLC4_BASE,
1625 .iddq_bit_idx = PLLSS_IDDQ_BIT,
1626 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1627 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1628 .mdiv_default = 3,
1629 .div_nmp = &pllss_nmp,
1630 .freq_table = pll_c4_vco_freq_table,
1631 .set_defaults = tegra210_pllc4_set_defaults,
1632 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
1633 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1636 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
1637 { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */
1638 { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */
1639 { 38400000, 297600000, 93, 4, 3, 0 },
1640 { 38400000, 400000000, 125, 4, 3, 0 },
1641 { 38400000, 532800000, 111, 4, 2, 0 },
1642 { 38400000, 665600000, 104, 3, 2, 0 },
1643 { 38400000, 800000000, 125, 3, 2, 0 },
1644 { 38400000, 931200000, 97, 4, 1, 0 },
1645 { 38400000, 1065600000, 111, 4, 1, 0 },
1646 { 38400000, 1200000000, 125, 4, 1, 0 },
1647 { 38400000, 1331200000, 104, 3, 1, 0 },
1648 { 38400000, 1459200000, 76, 2, 1, 0 },
1649 { 38400000, 1600000000, 125, 3, 1, 0 },
1650 { 0, 0, 0, 0, 0, 0 },
1653 static struct div_nmp pllm_nmp = {
1654 .divm_shift = 0,
1655 .divm_width = 8,
1656 .override_divm_shift = 0,
1657 .divn_shift = 8,
1658 .divn_width = 8,
1659 .override_divn_shift = 8,
1660 .divp_shift = 20,
1661 .divp_width = 5,
1662 .override_divp_shift = 27,
1665 static struct tegra_clk_pll_params pll_m_params = {
1666 .input_min = 9600000,
1667 .input_max = 500000000,
1668 .cf_min = 9600000,
1669 .cf_max = 19200000,
1670 .vco_min = 800000000,
1671 .vco_max = 1866000000,
1672 .base_reg = PLLM_BASE,
1673 .misc_reg = PLLM_MISC2,
1674 .lock_mask = PLL_BASE_LOCK,
1675 .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE,
1676 .lock_delay = 300,
1677 .iddq_reg = PLLM_MISC2,
1678 .iddq_bit_idx = PLLM_IDDQ_BIT,
1679 .max_p = PLL_QLIN_PDIV_MAX,
1680 .ext_misc_reg[0] = PLLM_MISC2,
1681 .ext_misc_reg[1] = PLLM_MISC1,
1682 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1683 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1684 .div_nmp = &pllm_nmp,
1685 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
1686 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
1687 .freq_table = pll_m_freq_table,
1688 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1689 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1692 static struct tegra_clk_pll_params pll_mb_params = {
1693 .input_min = 9600000,
1694 .input_max = 500000000,
1695 .cf_min = 9600000,
1696 .cf_max = 19200000,
1697 .vco_min = 800000000,
1698 .vco_max = 1866000000,
1699 .base_reg = PLLMB_BASE,
1700 .misc_reg = PLLMB_MISC1,
1701 .lock_mask = PLL_BASE_LOCK,
1702 .lock_delay = 300,
1703 .iddq_reg = PLLMB_MISC1,
1704 .iddq_bit_idx = PLLMB_IDDQ_BIT,
1705 .max_p = PLL_QLIN_PDIV_MAX,
1706 .ext_misc_reg[0] = PLLMB_MISC1,
1707 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1708 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1709 .div_nmp = &pllm_nmp,
1710 .freq_table = pll_m_freq_table,
1711 .flags = TEGRA_PLL_USE_LOCK,
1712 .set_defaults = tegra210_pllmb_set_defaults,
1713 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1717 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
1718 /* PLLE special case: use cpcon field to store cml divider value */
1719 { 672000000, 100000000, 125, 42, 0, 13 },
1720 { 624000000, 100000000, 125, 39, 0, 13 },
1721 { 336000000, 100000000, 125, 21, 0, 13 },
1722 { 312000000, 100000000, 200, 26, 0, 14 },
1723 { 38400000, 100000000, 125, 2, 0, 14 },
1724 { 12000000, 100000000, 200, 1, 0, 14 },
1725 { 0, 0, 0, 0, 0, 0 },
1728 static struct div_nmp plle_nmp = {
1729 .divm_shift = 0,
1730 .divm_width = 8,
1731 .divn_shift = 8,
1732 .divn_width = 8,
1733 .divp_shift = 24,
1734 .divp_width = 5,
1737 static struct tegra_clk_pll_params pll_e_params = {
1738 .input_min = 12000000,
1739 .input_max = 800000000,
1740 .cf_min = 12000000,
1741 .cf_max = 38400000,
1742 .vco_min = 1600000000,
1743 .vco_max = 2500000000U,
1744 .base_reg = PLLE_BASE,
1745 .misc_reg = PLLE_MISC0,
1746 .aux_reg = PLLE_AUX,
1747 .lock_mask = PLLE_MISC_LOCK,
1748 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
1749 .lock_delay = 300,
1750 .div_nmp = &plle_nmp,
1751 .freq_table = pll_e_freq_table,
1752 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK |
1753 TEGRA_PLL_HAS_LOCK_ENABLE,
1754 .fixed_rate = 100000000,
1755 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1758 static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = {
1759 { 12000000, 672000000, 56, 1, 1, 0 },
1760 { 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */
1761 { 38400000, 672000000, 70, 4, 1, 0 },
1762 { 0, 0, 0, 0, 0, 0 },
1765 static struct div_nmp pllre_nmp = {
1766 .divm_shift = 0,
1767 .divm_width = 8,
1768 .divn_shift = 8,
1769 .divn_width = 8,
1770 .divp_shift = 16,
1771 .divp_width = 5,
1774 static struct tegra_clk_pll_params pll_re_vco_params = {
1775 .input_min = 9600000,
1776 .input_max = 800000000,
1777 .cf_min = 9600000,
1778 .cf_max = 19200000,
1779 .vco_min = 350000000,
1780 .vco_max = 700000000,
1781 .base_reg = PLLRE_BASE,
1782 .misc_reg = PLLRE_MISC0,
1783 .lock_mask = PLLRE_MISC_LOCK,
1784 .lock_delay = 300,
1785 .max_p = PLL_QLIN_PDIV_MAX,
1786 .ext_misc_reg[0] = PLLRE_MISC0,
1787 .iddq_reg = PLLRE_MISC0,
1788 .iddq_bit_idx = PLLRE_IDDQ_BIT,
1789 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1790 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1791 .div_nmp = &pllre_nmp,
1792 .freq_table = pll_re_vco_freq_table,
1793 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT,
1794 .set_defaults = tegra210_pllre_set_defaults,
1795 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1798 static struct div_nmp pllp_nmp = {
1799 .divm_shift = 0,
1800 .divm_width = 8,
1801 .divn_shift = 10,
1802 .divn_width = 8,
1803 .divp_shift = 20,
1804 .divp_width = 5,
1807 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
1808 { 12000000, 408000000, 34, 1, 1, 0 },
1809 { 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */
1810 { 0, 0, 0, 0, 0, 0 },
1813 static struct tegra_clk_pll_params pll_p_params = {
1814 .input_min = 9600000,
1815 .input_max = 800000000,
1816 .cf_min = 9600000,
1817 .cf_max = 19200000,
1818 .vco_min = 350000000,
1819 .vco_max = 700000000,
1820 .base_reg = PLLP_BASE,
1821 .misc_reg = PLLP_MISC0,
1822 .lock_mask = PLL_BASE_LOCK,
1823 .lock_delay = 300,
1824 .iddq_reg = PLLP_MISC0,
1825 .iddq_bit_idx = PLLXP_IDDQ_BIT,
1826 .ext_misc_reg[0] = PLLP_MISC0,
1827 .ext_misc_reg[1] = PLLP_MISC1,
1828 .div_nmp = &pllp_nmp,
1829 .freq_table = pll_p_freq_table,
1830 .fixed_rate = 408000000,
1831 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
1832 .set_defaults = tegra210_pllp_set_defaults,
1833 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1836 static struct tegra_clk_pll_params pll_a1_params = {
1837 .input_min = 12000000,
1838 .input_max = 700000000,
1839 .cf_min = 12000000,
1840 .cf_max = 50000000,
1841 .vco_min = 600000000,
1842 .vco_max = 1200000000,
1843 .base_reg = PLLA1_BASE,
1844 .misc_reg = PLLA1_MISC0,
1845 .lock_mask = PLLCX_BASE_LOCK,
1846 .lock_delay = 300,
1847 .iddq_reg = PLLA1_MISC1,
1848 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1849 .reset_reg = PLLA1_MISC0,
1850 .reset_bit_idx = PLLCX_RESET_BIT,
1851 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1852 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1853 .div_nmp = &pllc_nmp,
1854 .ext_misc_reg[0] = PLLA1_MISC0,
1855 .ext_misc_reg[1] = PLLA1_MISC1,
1856 .ext_misc_reg[2] = PLLA1_MISC2,
1857 .ext_misc_reg[3] = PLLA1_MISC3,
1858 .freq_table = pll_cx_freq_table,
1859 .flags = TEGRA_PLL_USE_LOCK,
1860 .set_defaults = _plla1_set_defaults,
1861 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1864 static struct div_nmp plla_nmp = {
1865 .divm_shift = 0,
1866 .divm_width = 8,
1867 .divn_shift = 8,
1868 .divn_width = 8,
1869 .divp_shift = 20,
1870 .divp_width = 5,
1873 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
1874 { 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */
1875 { 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */
1876 { 12000000, 240000000, 60, 1, 3, 1, 0 },
1877 { 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */
1878 { 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */
1879 { 13000000, 240000000, 55, 1, 3, 1, 0 }, /* actual: 238.3 MHz */
1880 { 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */
1881 { 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */
1882 { 38400000, 240000000, 75, 3, 3, 1, 0 },
1883 { 0, 0, 0, 0, 0, 0, 0 },
1886 static struct tegra_clk_pll_params pll_a_params = {
1887 .input_min = 12000000,
1888 .input_max = 800000000,
1889 .cf_min = 12000000,
1890 .cf_max = 19200000,
1891 .vco_min = 500000000,
1892 .vco_max = 1000000000,
1893 .base_reg = PLLA_BASE,
1894 .misc_reg = PLLA_MISC0,
1895 .lock_mask = PLL_BASE_LOCK,
1896 .lock_delay = 300,
1897 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1898 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1899 .iddq_reg = PLLA_BASE,
1900 .iddq_bit_idx = PLLA_IDDQ_BIT,
1901 .div_nmp = &plla_nmp,
1902 .sdm_din_reg = PLLA_MISC1,
1903 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1904 .sdm_ctrl_reg = PLLA_MISC2,
1905 .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK,
1906 .ext_misc_reg[0] = PLLA_MISC0,
1907 .ext_misc_reg[1] = PLLA_MISC1,
1908 .ext_misc_reg[2] = PLLA_MISC2,
1909 .freq_table = pll_a_freq_table,
1910 .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW,
1911 .set_defaults = tegra210_plla_set_defaults,
1912 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1913 .set_gain = tegra210_clk_pll_set_gain,
1914 .adjust_vco = tegra210_clk_adjust_vco_min,
1917 static struct div_nmp plld_nmp = {
1918 .divm_shift = 0,
1919 .divm_width = 8,
1920 .divn_shift = 11,
1921 .divn_width = 8,
1922 .divp_shift = 20,
1923 .divp_width = 3,
1926 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
1927 { 12000000, 594000000, 99, 1, 2, 0, 0 },
1928 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
1929 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
1930 { 0, 0, 0, 0, 0, 0, 0 },
1933 static struct tegra_clk_pll_params pll_d_params = {
1934 .input_min = 12000000,
1935 .input_max = 800000000,
1936 .cf_min = 12000000,
1937 .cf_max = 38400000,
1938 .vco_min = 750000000,
1939 .vco_max = 1500000000,
1940 .base_reg = PLLD_BASE,
1941 .misc_reg = PLLD_MISC0,
1942 .lock_mask = PLL_BASE_LOCK,
1943 .lock_delay = 1000,
1944 .iddq_reg = PLLD_MISC0,
1945 .iddq_bit_idx = PLLD_IDDQ_BIT,
1946 .round_p_to_pdiv = pll_expo_p_to_pdiv,
1947 .pdiv_tohw = pll_expo_pdiv_to_hw,
1948 .div_nmp = &plld_nmp,
1949 .sdm_din_reg = PLLD_MISC0,
1950 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1951 .sdm_ctrl_reg = PLLD_MISC0,
1952 .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK,
1953 .ext_misc_reg[0] = PLLD_MISC0,
1954 .ext_misc_reg[1] = PLLD_MISC1,
1955 .freq_table = pll_d_freq_table,
1956 .flags = TEGRA_PLL_USE_LOCK,
1957 .mdiv_default = 1,
1958 .set_defaults = tegra210_plld_set_defaults,
1959 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1960 .set_gain = tegra210_clk_pll_set_gain,
1961 .adjust_vco = tegra210_clk_adjust_vco_min,
1964 static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = {
1965 { 12000000, 594000000, 99, 1, 2, 0, 0xf000 },
1966 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
1967 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
1968 { 0, 0, 0, 0, 0, 0, 0 },
1971 /* s/w policy, always tegra_pll_ref */
1972 static struct tegra_clk_pll_params pll_d2_params = {
1973 .input_min = 12000000,
1974 .input_max = 800000000,
1975 .cf_min = 12000000,
1976 .cf_max = 38400000,
1977 .vco_min = 750000000,
1978 .vco_max = 1500000000,
1979 .base_reg = PLLD2_BASE,
1980 .misc_reg = PLLD2_MISC0,
1981 .lock_mask = PLL_BASE_LOCK,
1982 .lock_delay = 300,
1983 .iddq_reg = PLLD2_BASE,
1984 .iddq_bit_idx = PLLSS_IDDQ_BIT,
1985 .sdm_din_reg = PLLD2_MISC3,
1986 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1987 .sdm_ctrl_reg = PLLD2_MISC1,
1988 .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK,
1989 /* disable spread-spectrum for pll_d2 */
1990 .ssc_ctrl_reg = 0,
1991 .ssc_ctrl_en_mask = 0,
1992 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1993 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1994 .div_nmp = &pllss_nmp,
1995 .ext_misc_reg[0] = PLLD2_MISC0,
1996 .ext_misc_reg[1] = PLLD2_MISC1,
1997 .ext_misc_reg[2] = PLLD2_MISC2,
1998 .ext_misc_reg[3] = PLLD2_MISC3,
1999 .max_p = PLL_QLIN_PDIV_MAX,
2000 .mdiv_default = 1,
2001 .freq_table = tegra210_pll_d2_freq_table,
2002 .set_defaults = tegra210_plld2_set_defaults,
2003 .flags = TEGRA_PLL_USE_LOCK,
2004 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2005 .set_gain = tegra210_clk_pll_set_gain,
2006 .adjust_vco = tegra210_clk_adjust_vco_min,
2009 static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = {
2010 { 12000000, 270000000, 90, 1, 4, 0, 0xf000 },
2011 { 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */
2012 { 38400000, 270000000, 28, 1, 4, 0, 0xf400 },
2013 { 0, 0, 0, 0, 0, 0, 0 },
2016 static struct tegra_clk_pll_params pll_dp_params = {
2017 .input_min = 12000000,
2018 .input_max = 800000000,
2019 .cf_min = 12000000,
2020 .cf_max = 38400000,
2021 .vco_min = 750000000,
2022 .vco_max = 1500000000,
2023 .base_reg = PLLDP_BASE,
2024 .misc_reg = PLLDP_MISC,
2025 .lock_mask = PLL_BASE_LOCK,
2026 .lock_delay = 300,
2027 .iddq_reg = PLLDP_BASE,
2028 .iddq_bit_idx = PLLSS_IDDQ_BIT,
2029 .sdm_din_reg = PLLDP_SS_CTRL2,
2030 .sdm_din_mask = PLLA_SDM_DIN_MASK,
2031 .sdm_ctrl_reg = PLLDP_SS_CFG,
2032 .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK,
2033 .ssc_ctrl_reg = PLLDP_SS_CFG,
2034 .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK,
2035 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2036 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2037 .div_nmp = &pllss_nmp,
2038 .ext_misc_reg[0] = PLLDP_MISC,
2039 .ext_misc_reg[1] = PLLDP_SS_CFG,
2040 .ext_misc_reg[2] = PLLDP_SS_CTRL1,
2041 .ext_misc_reg[3] = PLLDP_SS_CTRL2,
2042 .max_p = PLL_QLIN_PDIV_MAX,
2043 .mdiv_default = 1,
2044 .freq_table = pll_dp_freq_table,
2045 .set_defaults = tegra210_plldp_set_defaults,
2046 .flags = TEGRA_PLL_USE_LOCK,
2047 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2048 .set_gain = tegra210_clk_pll_set_gain,
2049 .adjust_vco = tegra210_clk_adjust_vco_min,
2052 static struct div_nmp pllu_nmp = {
2053 .divm_shift = 0,
2054 .divm_width = 8,
2055 .divn_shift = 8,
2056 .divn_width = 8,
2057 .divp_shift = 16,
2058 .divp_width = 5,
2061 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
2062 { 12000000, 480000000, 40, 1, 0, 0 },
2063 { 13000000, 480000000, 36, 1, 0, 0 }, /* actual: 468.0 MHz */
2064 { 38400000, 480000000, 25, 2, 0, 0 },
2065 { 0, 0, 0, 0, 0, 0 },
2068 static struct tegra_clk_pll_params pll_u_vco_params = {
2069 .input_min = 9600000,
2070 .input_max = 800000000,
2071 .cf_min = 9600000,
2072 .cf_max = 19200000,
2073 .vco_min = 350000000,
2074 .vco_max = 700000000,
2075 .base_reg = PLLU_BASE,
2076 .misc_reg = PLLU_MISC0,
2077 .lock_mask = PLL_BASE_LOCK,
2078 .lock_delay = 1000,
2079 .iddq_reg = PLLU_MISC0,
2080 .iddq_bit_idx = PLLU_IDDQ_BIT,
2081 .ext_misc_reg[0] = PLLU_MISC0,
2082 .ext_misc_reg[1] = PLLU_MISC1,
2083 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2084 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2085 .div_nmp = &pllu_nmp,
2086 .freq_table = pll_u_freq_table,
2087 .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
2090 struct utmi_clk_param {
2091 /* Oscillator Frequency in KHz */
2092 u32 osc_frequency;
2093 /* UTMIP PLL Enable Delay Count */
2094 u8 enable_delay_count;
2095 /* UTMIP PLL Stable count */
2096 u16 stable_count;
2097 /* UTMIP PLL Active delay count */
2098 u8 active_delay_count;
2099 /* UTMIP PLL Xtal frequency count */
2100 u16 xtal_freq_count;
2103 static const struct utmi_clk_param utmi_parameters[] = {
2105 .osc_frequency = 38400000, .enable_delay_count = 0x0,
2106 .stable_count = 0x0, .active_delay_count = 0x6,
2107 .xtal_freq_count = 0x80
2108 }, {
2109 .osc_frequency = 13000000, .enable_delay_count = 0x02,
2110 .stable_count = 0x33, .active_delay_count = 0x05,
2111 .xtal_freq_count = 0x7f
2112 }, {
2113 .osc_frequency = 19200000, .enable_delay_count = 0x03,
2114 .stable_count = 0x4b, .active_delay_count = 0x06,
2115 .xtal_freq_count = 0xbb
2116 }, {
2117 .osc_frequency = 12000000, .enable_delay_count = 0x02,
2118 .stable_count = 0x2f, .active_delay_count = 0x08,
2119 .xtal_freq_count = 0x76
2120 }, {
2121 .osc_frequency = 26000000, .enable_delay_count = 0x04,
2122 .stable_count = 0x66, .active_delay_count = 0x09,
2123 .xtal_freq_count = 0xfe
2124 }, {
2125 .osc_frequency = 16800000, .enable_delay_count = 0x03,
2126 .stable_count = 0x41, .active_delay_count = 0x0a,
2127 .xtal_freq_count = 0xa4
2131 static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
2132 [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true },
2133 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true },
2134 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true },
2135 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true },
2136 [tegra_clk_sdmmc2_9] = { .dt_id = TEGRA210_CLK_SDMMC2, .present = true },
2137 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true },
2138 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true },
2139 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true },
2140 [tegra_clk_sdmmc4_9] = { .dt_id = TEGRA210_CLK_SDMMC4, .present = true },
2141 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true },
2142 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true },
2143 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true },
2144 [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true },
2145 [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true },
2146 [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true },
2147 [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true },
2148 [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true },
2149 [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true },
2150 [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true },
2151 [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true },
2152 [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true },
2153 [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true },
2154 [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true },
2155 [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true },
2156 [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true },
2157 [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true },
2158 [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true },
2159 [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true },
2160 [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true },
2161 [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true },
2162 [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true },
2163 [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true },
2164 [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true },
2165 [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true },
2166 [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true },
2167 [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true },
2168 [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true },
2169 [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true },
2170 [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true },
2171 [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true },
2172 [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true },
2173 [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true },
2174 [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true },
2175 [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true },
2176 [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true },
2177 [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true },
2178 [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true },
2179 [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true },
2180 [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true },
2181 [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true },
2182 [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true },
2183 [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true },
2184 [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true },
2185 [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true },
2186 [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true },
2187 [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true },
2188 [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true },
2189 [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true },
2190 [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true },
2191 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true },
2192 [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true },
2193 [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true },
2194 [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true },
2195 [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true },
2196 [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true },
2197 [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true },
2198 [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true },
2199 [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true },
2200 [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true },
2201 [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true },
2202 [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true },
2203 [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true },
2204 [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true },
2205 [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true },
2206 [tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true },
2207 [tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true },
2208 [tegra_clk_sor1_src] = { .dt_id = TEGRA210_CLK_SOR1_SRC, .present = true },
2209 [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true },
2210 [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, },
2211 [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true },
2212 [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true },
2213 [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true },
2214 [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true },
2215 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true },
2216 [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true },
2217 [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true },
2218 [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true },
2219 [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true },
2220 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true },
2221 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true },
2222 [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true },
2223 [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true },
2224 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true },
2225 [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true },
2226 [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true },
2227 [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true },
2228 [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true },
2229 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true },
2230 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true },
2231 [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true },
2232 [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true },
2233 [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true },
2234 [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true },
2235 [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true },
2236 [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true },
2237 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true },
2238 [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true },
2239 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true },
2240 [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true },
2241 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true },
2242 [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true },
2243 [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true },
2244 [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true },
2245 [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true },
2246 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true },
2247 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true },
2248 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true },
2249 [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true },
2250 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true },
2251 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true },
2252 [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true },
2253 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true },
2254 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true },
2255 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true },
2256 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true },
2257 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true },
2258 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true },
2259 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true },
2260 [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true },
2261 [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true },
2262 [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true },
2263 [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true },
2264 [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true },
2265 [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true },
2266 [tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true },
2267 [tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true },
2268 [tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true },
2269 [tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true },
2270 [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true },
2271 [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true },
2272 [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true },
2273 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true },
2274 [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true },
2275 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true },
2276 [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true },
2277 [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true },
2278 [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true },
2279 [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true },
2280 [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true },
2281 [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true },
2282 [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true },
2283 [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true },
2284 [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true },
2285 [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true },
2286 [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true },
2287 [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true },
2288 [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true },
2289 [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true },
2290 [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true },
2291 [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true },
2292 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true },
2293 [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true },
2294 [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true },
2295 [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true },
2296 [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true },
2297 [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true },
2298 [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true },
2299 [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true },
2300 [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true },
2301 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true },
2302 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true },
2303 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true },
2304 [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true },
2305 [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true },
2306 [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true },
2307 [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true },
2308 [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true },
2309 [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true },
2310 [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true },
2311 [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true },
2312 [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true },
2313 [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true },
2314 [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true },
2315 [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true },
2316 [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true },
2317 [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true },
2318 [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true },
2319 [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true },
2320 [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true },
2321 [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true },
2322 [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true },
2323 [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true },
2324 [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true },
2325 [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true },
2326 [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true },
2327 [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true },
2328 [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true },
2329 [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true },
2330 [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true },
2331 [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true },
2332 [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true },
2333 [tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true },
2334 [tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true },
2335 [tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true },
2336 [tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true },
2337 [tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true },
2338 [tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true },
2339 [tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true },
2342 static struct tegra_devclk devclks[] __initdata = {
2343 { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M },
2344 { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF },
2345 { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K },
2346 { .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 },
2347 { .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 },
2348 { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C },
2349 { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 },
2350 { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 },
2351 { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 },
2352 { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P },
2353 { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 },
2354 { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 },
2355 { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 },
2356 { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 },
2357 { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M },
2358 { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X },
2359 { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 },
2360 { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U },
2361 { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT },
2362 { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 },
2363 { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 },
2364 { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M },
2365 { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M },
2366 { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M },
2367 { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D },
2368 { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 },
2369 { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 },
2370 { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 },
2371 { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A },
2372 { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 },
2373 { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO },
2374 { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT },
2375 { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC },
2376 { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC },
2377 { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC },
2378 { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC },
2379 { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC },
2380 { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC },
2381 { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC },
2382 { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 },
2383 { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 },
2384 { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 },
2385 { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 },
2386 { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 },
2387 { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF },
2388 { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X },
2389 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 },
2390 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 },
2391 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 },
2392 { .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK },
2393 { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G },
2394 { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP },
2395 { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK },
2396 { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK },
2397 { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK },
2398 { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE },
2399 { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC },
2400 { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER },
2401 { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 },
2402 { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 },
2403 { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 },
2404 { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 },
2405 { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX },
2406 { .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 },
2409 static struct tegra_audio_clk_info tegra210_audio_plls[] = {
2410 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" },
2411 { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" },
2414 static struct clk **clks;
2416 static const char * const aclk_parents[] = {
2417 "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3",
2418 "clk_m"
2421 void tegra210_put_utmipll_in_iddq(void)
2423 u32 reg;
2425 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2427 if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) {
2428 pr_err("trying to assert IDDQ while UTMIPLL is locked\n");
2429 return;
2432 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2433 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2435 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq);
2437 void tegra210_put_utmipll_out_iddq(void)
2439 u32 reg;
2441 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2442 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2443 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2445 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq);
2447 static void tegra210_utmi_param_configure(void)
2449 u32 reg;
2450 int i;
2452 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
2453 if (osc_freq == utmi_parameters[i].osc_frequency)
2454 break;
2457 if (i >= ARRAY_SIZE(utmi_parameters)) {
2458 pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
2459 osc_freq);
2460 return;
2463 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2464 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2465 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2467 udelay(10);
2469 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2471 /* Program UTMIP PLL stable and active counts */
2472 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
2473 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
2474 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
2476 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
2477 reg |=
2478 UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count);
2479 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2481 /* Program UTMIP PLL delay and oscillator frequency counts */
2482 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2484 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
2485 reg |=
2486 UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count);
2488 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
2489 reg |=
2490 UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count);
2492 reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
2493 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2495 /* Remove power downs from UTMIP PLL control bits */
2496 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2497 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2498 reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2499 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2501 udelay(20);
2503 /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
2504 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2505 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP;
2506 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP;
2507 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP;
2508 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
2509 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
2510 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN;
2511 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2513 /* Setup HW control of UTMIPLL */
2514 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2515 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2516 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2517 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2519 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2520 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
2521 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
2522 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2524 udelay(1);
2526 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2527 reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY;
2528 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2530 udelay(1);
2532 /* Enable HW control UTMIPLL */
2533 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2534 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
2535 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2538 static int tegra210_enable_pllu(void)
2540 struct tegra_clk_pll_freq_table *fentry;
2541 struct tegra_clk_pll pllu;
2542 u32 reg;
2544 for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) {
2545 if (fentry->input_rate == pll_ref_freq)
2546 break;
2549 if (!fentry->input_rate) {
2550 pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq);
2551 return -EINVAL;
2554 /* clear IDDQ bit */
2555 pllu.params = &pll_u_vco_params;
2556 reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]);
2557 reg &= ~BIT(pllu.params->iddq_bit_idx);
2558 writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]);
2559 udelay(5);
2561 reg = readl_relaxed(clk_base + PLLU_BASE);
2562 reg &= ~GENMASK(20, 0);
2563 reg |= fentry->m;
2564 reg |= fentry->n << 8;
2565 reg |= fentry->p << 16;
2566 writel(reg, clk_base + PLLU_BASE);
2567 udelay(1);
2568 reg |= PLL_ENABLE;
2569 writel(reg, clk_base + PLLU_BASE);
2571 readl_relaxed_poll_timeout_atomic(clk_base + PLLU_BASE, reg,
2572 reg & PLL_BASE_LOCK, 2, 1000);
2573 if (!(reg & PLL_BASE_LOCK)) {
2574 pr_err("Timed out waiting for PLL_U to lock\n");
2575 return -ETIMEDOUT;
2578 return 0;
2581 static int tegra210_init_pllu(void)
2583 u32 reg;
2584 int err;
2586 tegra210_pllu_set_defaults(&pll_u_vco_params);
2587 /* skip initialization when pllu is in hw controlled mode */
2588 reg = readl_relaxed(clk_base + PLLU_BASE);
2589 if (reg & PLLU_BASE_OVERRIDE) {
2590 if (!(reg & PLL_ENABLE)) {
2591 err = tegra210_enable_pllu();
2592 if (err < 0) {
2593 WARN_ON(1);
2594 return err;
2597 /* enable hw controlled mode */
2598 reg = readl_relaxed(clk_base + PLLU_BASE);
2599 reg &= ~PLLU_BASE_OVERRIDE;
2600 writel(reg, clk_base + PLLU_BASE);
2602 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2603 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE |
2604 PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT |
2605 PLLU_HW_PWRDN_CFG0_USE_LOCKDET;
2606 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL |
2607 PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL);
2608 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2610 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2611 reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK;
2612 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2613 udelay(1);
2615 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2616 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE;
2617 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2618 udelay(1);
2620 reg = readl_relaxed(clk_base + PLLU_BASE);
2621 reg &= ~PLLU_BASE_CLKENABLE_USB;
2622 writel_relaxed(reg, clk_base + PLLU_BASE);
2625 /* enable UTMIPLL hw control if not yet done by the bootloader */
2626 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2627 if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE))
2628 tegra210_utmi_param_configure();
2630 return 0;
2633 static const char * const sor1_out_parents[] = {
2635 * Bit 0 of the mux selects sor1_pad_clkout, irrespective of bit 1, so
2636 * the sor1_pad_clkout parent appears twice in the list below. This is
2637 * merely to support clk_get_parent() if firmware happened to set
2638 * these bits to 0b11. While not an invalid setting, code should
2639 * always set the bits to 0b01 to select sor1_pad_clkout.
2641 "sor_safe", "sor1_pad_clkout", "sor1", "sor1_pad_clkout",
2644 static const char * const sor1_parents[] = {
2645 "pll_p", "pll_d_out0", "pll_d2_out0", "clk_m",
2648 static u32 sor1_parents_idx[] = { 0, 2, 5, 6 };
2650 static struct tegra_periph_init_data tegra210_periph[] = {
2651 TEGRA_INIT_DATA_TABLE("sor1", NULL, NULL, sor1_parents,
2652 CLK_SOURCE_SOR1, 29, 0x7, 0, 0, 8, 1,
2653 TEGRA_DIVIDER_ROUND_UP, 183, 0, tegra_clk_sor1,
2654 sor1_parents_idx, 0, &sor1_lock),
2657 static __init void tegra210_periph_clk_init(void __iomem *clk_base,
2658 void __iomem *pmc_base)
2660 struct clk *clk;
2661 unsigned int i;
2663 /* xusb_ss_div2 */
2664 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
2665 1, 2);
2666 clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk;
2668 clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base,
2669 1, 17, 222);
2670 clks[TEGRA210_CLK_SOR_SAFE] = clk;
2672 clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base,
2673 1, 17, 181);
2674 clks[TEGRA210_CLK_DPAUX] = clk;
2676 clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base,
2677 1, 17, 207);
2678 clks[TEGRA210_CLK_DPAUX1] = clk;
2680 clk = clk_register_mux_table(NULL, "sor1_out", sor1_out_parents,
2681 ARRAY_SIZE(sor1_out_parents), 0,
2682 clk_base + CLK_SOURCE_SOR1, 14, 0x3,
2683 0, NULL, &sor1_lock);
2684 clks[TEGRA210_CLK_SOR1_OUT] = clk;
2686 /* pll_d_dsi_out */
2687 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
2688 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock);
2689 clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk;
2691 /* dsia */
2692 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
2693 clk_base, 0, 48,
2694 periph_clk_enb_refcnt);
2695 clks[TEGRA210_CLK_DSIA] = clk;
2697 /* dsib */
2698 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
2699 clk_base, 0, 82,
2700 periph_clk_enb_refcnt);
2701 clks[TEGRA210_CLK_DSIB] = clk;
2703 /* emc mux */
2704 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
2705 ARRAY_SIZE(mux_pllmcp_clkm), 0,
2706 clk_base + CLK_SOURCE_EMC,
2707 29, 3, 0, &emc_lock);
2709 clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC,
2710 &emc_lock);
2711 clks[TEGRA210_CLK_MC] = clk;
2713 /* cml0 */
2714 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
2715 0, 0, &pll_e_lock);
2716 clk_register_clkdev(clk, "cml0", NULL);
2717 clks[TEGRA210_CLK_CML0] = clk;
2719 /* cml1 */
2720 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
2721 1, 0, &pll_e_lock);
2722 clk_register_clkdev(clk, "cml1", NULL);
2723 clks[TEGRA210_CLK_CML1] = clk;
2725 clk = tegra_clk_register_super_clk("aclk", aclk_parents,
2726 ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0,
2727 0, NULL);
2728 clks[TEGRA210_CLK_ACLK] = clk;
2730 for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) {
2731 struct tegra_periph_init_data *init = &tegra210_periph[i];
2732 struct clk **clkp;
2734 clkp = tegra_lookup_dt_id(init->clk_id, tegra210_clks);
2735 if (!clkp) {
2736 pr_warn("clock %u not found\n", init->clk_id);
2737 continue;
2740 clk = tegra_clk_register_periph_data(clk_base, init);
2741 *clkp = clk;
2744 tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params);
2747 static void __init tegra210_pll_init(void __iomem *clk_base,
2748 void __iomem *pmc)
2750 struct clk *clk;
2752 /* PLLC */
2753 clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base,
2754 pmc, 0, &pll_c_params, NULL);
2755 if (!WARN_ON(IS_ERR(clk)))
2756 clk_register_clkdev(clk, "pll_c", NULL);
2757 clks[TEGRA210_CLK_PLL_C] = clk;
2759 /* PLLC_OUT1 */
2760 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
2761 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
2762 8, 8, 1, NULL);
2763 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
2764 clk_base + PLLC_OUT, 1, 0,
2765 CLK_SET_RATE_PARENT, 0, NULL);
2766 clk_register_clkdev(clk, "pll_c_out1", NULL);
2767 clks[TEGRA210_CLK_PLL_C_OUT1] = clk;
2769 /* PLLC_UD */
2770 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c",
2771 CLK_SET_RATE_PARENT, 1, 1);
2772 clk_register_clkdev(clk, "pll_c_ud", NULL);
2773 clks[TEGRA210_CLK_PLL_C_UD] = clk;
2775 /* PLLC2 */
2776 clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base,
2777 pmc, 0, &pll_c2_params, NULL);
2778 clk_register_clkdev(clk, "pll_c2", NULL);
2779 clks[TEGRA210_CLK_PLL_C2] = clk;
2781 /* PLLC3 */
2782 clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base,
2783 pmc, 0, &pll_c3_params, NULL);
2784 clk_register_clkdev(clk, "pll_c3", NULL);
2785 clks[TEGRA210_CLK_PLL_C3] = clk;
2787 /* PLLM */
2788 clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc,
2789 CLK_SET_RATE_GATE, &pll_m_params, NULL);
2790 clk_register_clkdev(clk, "pll_m", NULL);
2791 clks[TEGRA210_CLK_PLL_M] = clk;
2793 /* PLLMB */
2794 clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc,
2795 CLK_SET_RATE_GATE, &pll_mb_params, NULL);
2796 clk_register_clkdev(clk, "pll_mb", NULL);
2797 clks[TEGRA210_CLK_PLL_MB] = clk;
2799 /* PLLM_UD */
2800 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
2801 CLK_SET_RATE_PARENT, 1, 1);
2802 clk_register_clkdev(clk, "pll_m_ud", NULL);
2803 clks[TEGRA210_CLK_PLL_M_UD] = clk;
2805 /* PLLU_VCO */
2806 if (!tegra210_init_pllu()) {
2807 clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0,
2808 480*1000*1000);
2809 clk_register_clkdev(clk, "pll_u_vco", NULL);
2810 clks[TEGRA210_CLK_PLL_U] = clk;
2813 /* PLLU_OUT */
2814 clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0,
2815 clk_base + PLLU_BASE, 16, 4, 0,
2816 pll_vco_post_div_table, NULL);
2817 clk_register_clkdev(clk, "pll_u_out", NULL);
2818 clks[TEGRA210_CLK_PLL_U_OUT] = clk;
2820 /* PLLU_OUT1 */
2821 clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out",
2822 clk_base + PLLU_OUTA, 0,
2823 TEGRA_DIVIDER_ROUND_UP,
2824 8, 8, 1, &pll_u_lock);
2825 clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div",
2826 clk_base + PLLU_OUTA, 1, 0,
2827 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
2828 clk_register_clkdev(clk, "pll_u_out1", NULL);
2829 clks[TEGRA210_CLK_PLL_U_OUT1] = clk;
2831 /* PLLU_OUT2 */
2832 clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out",
2833 clk_base + PLLU_OUTA, 0,
2834 TEGRA_DIVIDER_ROUND_UP,
2835 24, 8, 1, &pll_u_lock);
2836 clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div",
2837 clk_base + PLLU_OUTA, 17, 16,
2838 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
2839 clk_register_clkdev(clk, "pll_u_out2", NULL);
2840 clks[TEGRA210_CLK_PLL_U_OUT2] = clk;
2842 /* PLLU_480M */
2843 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco",
2844 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2845 22, 0, &pll_u_lock);
2846 clk_register_clkdev(clk, "pll_u_480M", NULL);
2847 clks[TEGRA210_CLK_PLL_U_480M] = clk;
2849 /* PLLU_60M */
2850 clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2",
2851 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2852 23, 0, &pll_u_lock);
2853 clk_register_clkdev(clk, "pll_u_60M", NULL);
2854 clks[TEGRA210_CLK_PLL_U_60M] = clk;
2856 /* PLLU_48M */
2857 clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1",
2858 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2859 25, 0, &pll_u_lock);
2860 clk_register_clkdev(clk, "pll_u_48M", NULL);
2861 clks[TEGRA210_CLK_PLL_U_48M] = clk;
2863 /* PLLD */
2864 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
2865 &pll_d_params, &pll_d_lock);
2866 clk_register_clkdev(clk, "pll_d", NULL);
2867 clks[TEGRA210_CLK_PLL_D] = clk;
2869 /* PLLD_OUT0 */
2870 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
2871 CLK_SET_RATE_PARENT, 1, 2);
2872 clk_register_clkdev(clk, "pll_d_out0", NULL);
2873 clks[TEGRA210_CLK_PLL_D_OUT0] = clk;
2875 /* PLLRE */
2876 clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref",
2877 clk_base, pmc, 0,
2878 &pll_re_vco_params,
2879 &pll_re_lock, pll_ref_freq);
2880 clk_register_clkdev(clk, "pll_re_vco", NULL);
2881 clks[TEGRA210_CLK_PLL_RE_VCO] = clk;
2883 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
2884 clk_base + PLLRE_BASE, 16, 5, 0,
2885 pll_vco_post_div_table, &pll_re_lock);
2886 clk_register_clkdev(clk, "pll_re_out", NULL);
2887 clks[TEGRA210_CLK_PLL_RE_OUT] = clk;
2889 clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco",
2890 clk_base + PLLRE_OUT1, 0,
2891 TEGRA_DIVIDER_ROUND_UP,
2892 8, 8, 1, NULL);
2893 clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div",
2894 clk_base + PLLRE_OUT1, 1, 0,
2895 CLK_SET_RATE_PARENT, 0, NULL);
2896 clks[TEGRA210_CLK_PLL_RE_OUT1] = clk;
2898 /* PLLE */
2899 clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref",
2900 clk_base, 0, &pll_e_params, NULL);
2901 clk_register_clkdev(clk, "pll_e", NULL);
2902 clks[TEGRA210_CLK_PLL_E] = clk;
2904 /* PLLC4 */
2905 clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc,
2906 0, &pll_c4_vco_params, NULL, pll_ref_freq);
2907 clk_register_clkdev(clk, "pll_c4_vco", NULL);
2908 clks[TEGRA210_CLK_PLL_C4] = clk;
2910 /* PLLC4_OUT0 */
2911 clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0,
2912 clk_base + PLLC4_BASE, 19, 4, 0,
2913 pll_vco_post_div_table, NULL);
2914 clk_register_clkdev(clk, "pll_c4_out0", NULL);
2915 clks[TEGRA210_CLK_PLL_C4_OUT0] = clk;
2917 /* PLLC4_OUT1 */
2918 clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco",
2919 CLK_SET_RATE_PARENT, 1, 3);
2920 clk_register_clkdev(clk, "pll_c4_out1", NULL);
2921 clks[TEGRA210_CLK_PLL_C4_OUT1] = clk;
2923 /* PLLC4_OUT2 */
2924 clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco",
2925 CLK_SET_RATE_PARENT, 1, 5);
2926 clk_register_clkdev(clk, "pll_c4_out2", NULL);
2927 clks[TEGRA210_CLK_PLL_C4_OUT2] = clk;
2929 /* PLLC4_OUT3 */
2930 clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0",
2931 clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
2932 8, 8, 1, NULL);
2933 clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div",
2934 clk_base + PLLC4_OUT, 1, 0,
2935 CLK_SET_RATE_PARENT, 0, NULL);
2936 clk_register_clkdev(clk, "pll_c4_out3", NULL);
2937 clks[TEGRA210_CLK_PLL_C4_OUT3] = clk;
2939 /* PLLDP */
2940 clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base,
2941 0, &pll_dp_params, NULL);
2942 clk_register_clkdev(clk, "pll_dp", NULL);
2943 clks[TEGRA210_CLK_PLL_DP] = clk;
2945 /* PLLD2 */
2946 clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base,
2947 0, &pll_d2_params, NULL);
2948 clk_register_clkdev(clk, "pll_d2", NULL);
2949 clks[TEGRA210_CLK_PLL_D2] = clk;
2951 /* PLLD2_OUT0 */
2952 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
2953 CLK_SET_RATE_PARENT, 1, 1);
2954 clk_register_clkdev(clk, "pll_d2_out0", NULL);
2955 clks[TEGRA210_CLK_PLL_D2_OUT0] = clk;
2957 /* PLLP_OUT2 */
2958 clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p",
2959 CLK_SET_RATE_PARENT, 1, 2);
2960 clk_register_clkdev(clk, "pll_p_out2", NULL);
2961 clks[TEGRA210_CLK_PLL_P_OUT2] = clk;
2965 /* Tegra210 CPU clock and reset control functions */
2966 static void tegra210_wait_cpu_in_reset(u32 cpu)
2968 unsigned int reg;
2970 do {
2971 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
2972 cpu_relax();
2973 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
2976 static void tegra210_disable_cpu_clock(u32 cpu)
2978 /* flow controller would take care in the power sequence. */
2981 #ifdef CONFIG_PM_SLEEP
2982 static void tegra210_cpu_clock_suspend(void)
2984 /* switch coresite to clk_m, save off original source */
2985 tegra210_cpu_clk_sctx.clk_csite_src =
2986 readl(clk_base + CLK_SOURCE_CSITE);
2987 writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
2990 static void tegra210_cpu_clock_resume(void)
2992 writel(tegra210_cpu_clk_sctx.clk_csite_src,
2993 clk_base + CLK_SOURCE_CSITE);
2995 #endif
2997 static struct tegra_cpu_car_ops tegra210_cpu_car_ops = {
2998 .wait_for_reset = tegra210_wait_cpu_in_reset,
2999 .disable_clock = tegra210_disable_cpu_clock,
3000 #ifdef CONFIG_PM_SLEEP
3001 .suspend = tegra210_cpu_clock_suspend,
3002 .resume = tegra210_cpu_clock_resume,
3003 #endif
3006 static const struct of_device_id pmc_match[] __initconst = {
3007 { .compatible = "nvidia,tegra210-pmc" },
3008 { },
3011 static struct tegra_clk_init_table init_table[] __initdata = {
3012 { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 },
3013 { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 },
3014 { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 },
3015 { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 },
3016 { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 },
3017 { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 },
3018 { TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 },
3019 { TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 },
3020 { TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 },
3021 { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3022 { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3023 { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3024 { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3025 { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3026 { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 },
3027 { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 },
3028 { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 1 },
3029 { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 },
3030 { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 },
3031 { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 },
3032 { TEGRA210_CLK_PLL_RE_VCO, TEGRA210_CLK_CLK_MAX, 672000000, 1 },
3033 { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 },
3034 { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 },
3035 { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 },
3036 { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
3037 { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
3038 { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 },
3039 { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
3040 { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
3041 { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 },
3042 { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 },
3043 { TEGRA210_CLK_EMC, TEGRA210_CLK_CLK_MAX, 0, 1 },
3044 { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 },
3045 { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 },
3046 /* TODO find a way to enable this on-demand */
3047 { TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 },
3048 { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 },
3049 { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 },
3050 { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 },
3051 { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 },
3052 { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 },
3053 { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 },
3054 { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 },
3055 { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 },
3056 { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 },
3057 { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 },
3058 { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 },
3059 { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 },
3060 /* This MUST be the last entry. */
3061 { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 },
3065 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs
3067 * Program an initial clock rate and enable or disable clocks needed
3068 * by the rest of the kernel, for Tegra210 SoCs. It is intended to be
3069 * called by assigning a pointer to it to tegra_clk_apply_init_table -
3070 * this will be called as an arch_initcall. No return value.
3072 static void __init tegra210_clock_apply_init_table(void)
3074 tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX);
3078 * tegra210_car_barrier - wait for pending writes to the CAR to complete
3080 * Wait for any outstanding writes to the CAR MMIO space from this CPU
3081 * to complete before continuing execution. No return value.
3083 static void tegra210_car_barrier(void)
3085 readl_relaxed(clk_base + RST_DFLL_DVCO);
3089 * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
3091 * Assert the reset line of the DFLL's DVCO. No return value.
3093 static void tegra210_clock_assert_dfll_dvco_reset(void)
3095 u32 v;
3097 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3098 v |= (1 << DVFS_DFLL_RESET_SHIFT);
3099 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3100 tegra210_car_barrier();
3104 * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
3106 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
3107 * operate. No return value.
3109 static void tegra210_clock_deassert_dfll_dvco_reset(void)
3111 u32 v;
3113 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3114 v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
3115 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3116 tegra210_car_barrier();
3119 static int tegra210_reset_assert(unsigned long id)
3121 if (id == TEGRA210_RST_DFLL_DVCO)
3122 tegra210_clock_assert_dfll_dvco_reset();
3123 else if (id == TEGRA210_RST_ADSP)
3124 writel(GENMASK(26, 21) | BIT(7),
3125 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET);
3126 else
3127 return -EINVAL;
3129 return 0;
3132 static int tegra210_reset_deassert(unsigned long id)
3134 if (id == TEGRA210_RST_DFLL_DVCO)
3135 tegra210_clock_deassert_dfll_dvco_reset();
3136 else if (id == TEGRA210_RST_ADSP) {
3137 writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3139 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz)
3140 * a delay of 5us ensures that it's at least
3141 * 6 * adsp_cpu_cycle_period long.
3143 udelay(5);
3144 writel(GENMASK(26, 22) | BIT(7),
3145 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3146 } else
3147 return -EINVAL;
3149 return 0;
3153 * tegra210_clock_init - Tegra210-specific clock initialization
3154 * @np: struct device_node * of the DT node for the SoC CAR IP block
3156 * Register most SoC clocks for the Tegra210 system-on-chip. Intended
3157 * to be called by the OF init code when a DT node with the
3158 * "nvidia,tegra210-car" string is encountered, and declared with
3159 * CLK_OF_DECLARE. No return value.
3161 static void __init tegra210_clock_init(struct device_node *np)
3163 struct device_node *node;
3164 u32 value, clk_m_div;
3166 clk_base = of_iomap(np, 0);
3167 if (!clk_base) {
3168 pr_err("ioremap tegra210 CAR failed\n");
3169 return;
3172 node = of_find_matching_node(NULL, pmc_match);
3173 if (!node) {
3174 pr_err("Failed to find pmc node\n");
3175 WARN_ON(1);
3176 return;
3179 pmc_base = of_iomap(node, 0);
3180 if (!pmc_base) {
3181 pr_err("Can't map pmc registers\n");
3182 WARN_ON(1);
3183 return;
3186 clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX,
3187 TEGRA210_CAR_BANK_COUNT);
3188 if (!clks)
3189 return;
3191 value = clk_readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT;
3192 clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1;
3194 if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq,
3195 ARRAY_SIZE(tegra210_input_freq), clk_m_div,
3196 &osc_freq, &pll_ref_freq) < 0)
3197 return;
3199 tegra_fixed_clk_init(tegra210_clks);
3200 tegra210_pll_init(clk_base, pmc_base);
3201 tegra210_periph_clk_init(clk_base, pmc_base);
3202 tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks,
3203 tegra210_audio_plls,
3204 ARRAY_SIZE(tegra210_audio_plls));
3205 tegra_pmc_clk_init(pmc_base, tegra210_clks);
3207 /* For Tegra210, PLLD is the only source for DSIA & DSIB */
3208 value = clk_readl(clk_base + PLLD_BASE);
3209 value &= ~BIT(25);
3210 clk_writel(value, clk_base + PLLD_BASE);
3212 tegra_clk_apply_init_table = tegra210_clock_apply_init_table;
3214 tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks,
3215 &pll_x_params);
3216 tegra_init_special_resets(2, tegra210_reset_assert,
3217 tegra210_reset_deassert);
3219 tegra_add_of_provider(np);
3220 tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
3222 tegra_cpu_car_ops = &tegra210_cpu_car_ops;
3224 CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init);