blob: 0b3223611a328f4d129bc2bd29d8f40aba6f47be [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0
Kever Yangb0b3c862016-07-29 10:35:25 +08002/*
3 * (C) Copyright 2015 Google, Inc
Philipp Tomsich8fa69792017-04-20 22:05:49 +02004 * (C) 2017 Theobroma Systems Design und Consulting GmbH
Kever Yangb0b3c862016-07-29 10:35:25 +08005 */
6
7#include <common.h>
8#include <clk-uclass.h>
9#include <dm.h>
Kever Yang5ae2fd92017-02-13 17:38:56 +080010#include <dt-structs.h>
Kever Yangb0b3c862016-07-29 10:35:25 +080011#include <errno.h>
Simon Glassf7ae49f2020-05-10 11:40:05 -060012#include <log.h>
Simon Glass336d4612020-02-03 07:36:16 -070013#include <malloc.h>
Kever Yang5ae2fd92017-02-13 17:38:56 +080014#include <mapmem.h>
Kever Yangb0b3c862016-07-29 10:35:25 +080015#include <syscon.h>
David Wu364fc732017-09-20 14:38:58 +080016#include <bitfield.h>
Kever Yang15f09a12019-03-28 11:01:23 +080017#include <asm/arch-rockchip/clock.h>
Jagan Tekib52a1992020-01-09 14:22:17 +053018#include <asm/arch-rockchip/cru.h>
Kever Yang15f09a12019-03-28 11:01:23 +080019#include <asm/arch-rockchip/hardware.h>
Simon Glass401d1c42020-10-30 21:38:53 -060020#include <asm/global_data.h>
Simon Glass0fd3d912020-12-22 19:30:28 -070021#include <dm/device-internal.h>
Kever Yangb0b3c862016-07-29 10:35:25 +080022#include <dm/lists.h>
23#include <dt-bindings/clock/rk3399-cru.h>
Simon Glasscd93d622020-05-10 11:40:13 -060024#include <linux/bitops.h>
Simon Glassc05ed002020-05-10 11:40:11 -060025#include <linux/delay.h>
Simon Glass1e94b462023-09-14 18:21:46 -060026#include <linux/printk.h>
Kever Yangb0b3c862016-07-29 10:35:25 +080027
Alper Nebi Yasakeb890252020-10-28 00:15:10 +030028DECLARE_GLOBAL_DATA_PTR;
29
Kever Yang5ae2fd92017-02-13 17:38:56 +080030#if CONFIG_IS_ENABLED(OF_PLATDATA)
31struct rk3399_clk_plat {
32 struct dtd_rockchip_rk3399_cru dtd;
Kever Yang5e79f442016-08-12 17:47:15 +080033};
34
Kever Yang5ae2fd92017-02-13 17:38:56 +080035struct rk3399_pmuclk_plat {
36 struct dtd_rockchip_rk3399_pmucru dtd;
37};
38#endif
39
Kever Yangb0b3c862016-07-29 10:35:25 +080040struct pll_div {
41 u32 refdiv;
42 u32 fbdiv;
43 u32 postdiv1;
44 u32 postdiv2;
45 u32 frac;
46};
47
48#define RATE_TO_DIV(input_rate, output_rate) \
Jagan Tekidd7dfa22019-07-15 23:51:10 +053049 ((input_rate) / (output_rate) - 1)
50#define DIV_TO_RATE(input_rate, div) ((input_rate) / ((div) + 1))
Kever Yangb0b3c862016-07-29 10:35:25 +080051
52#define PLL_DIVISORS(hz, _refdiv, _postdiv1, _postdiv2) {\
53 .refdiv = _refdiv,\
54 .fbdiv = (u32)((u64)hz * _refdiv * _postdiv1 * _postdiv2 / OSC_HZ),\
55 .postdiv1 = _postdiv1, .postdiv2 = _postdiv2};
56
57static const struct pll_div gpll_init_cfg = PLL_DIVISORS(GPLL_HZ, 2, 2, 1);
58static const struct pll_div cpll_init_cfg = PLL_DIVISORS(CPLL_HZ, 1, 2, 2);
Alper Nebi Yasakeb890252020-10-28 00:15:10 +030059#if !defined(CONFIG_SPL_BUILD)
Kever Yangb0b3c862016-07-29 10:35:25 +080060static const struct pll_div ppll_init_cfg = PLL_DIVISORS(PPLL_HZ, 2, 2, 1);
Philipp Tomsich61dff332017-03-24 19:24:24 +010061#endif
Kever Yangb0b3c862016-07-29 10:35:25 +080062
Jagan Tekidd7dfa22019-07-15 23:51:10 +053063static const struct pll_div apll_l_1600_cfg = PLL_DIVISORS(1600 * MHz, 3, 1, 1);
64static const struct pll_div apll_l_600_cfg = PLL_DIVISORS(600 * MHz, 1, 2, 1);
Kever Yangb0b3c862016-07-29 10:35:25 +080065
66static const struct pll_div *apll_l_cfgs[] = {
67 [APLL_L_1600_MHZ] = &apll_l_1600_cfg,
68 [APLL_L_600_MHZ] = &apll_l_600_cfg,
69};
70
Jagan Tekidd7dfa22019-07-15 23:51:10 +053071static const struct pll_div apll_b_600_cfg = PLL_DIVISORS(600 * MHz, 1, 2, 1);
Christoph Muellneraf765a42018-11-30 20:32:48 +010072static const struct pll_div *apll_b_cfgs[] = {
73 [APLL_B_600_MHZ] = &apll_b_600_cfg,
74};
75
Kever Yangb0b3c862016-07-29 10:35:25 +080076enum {
77 /* PLL_CON0 */
78 PLL_FBDIV_MASK = 0xfff,
79 PLL_FBDIV_SHIFT = 0,
80
81 /* PLL_CON1 */
82 PLL_POSTDIV2_SHIFT = 12,
83 PLL_POSTDIV2_MASK = 0x7 << PLL_POSTDIV2_SHIFT,
84 PLL_POSTDIV1_SHIFT = 8,
85 PLL_POSTDIV1_MASK = 0x7 << PLL_POSTDIV1_SHIFT,
86 PLL_REFDIV_MASK = 0x3f,
87 PLL_REFDIV_SHIFT = 0,
88
89 /* PLL_CON2 */
90 PLL_LOCK_STATUS_SHIFT = 31,
91 PLL_LOCK_STATUS_MASK = 1 << PLL_LOCK_STATUS_SHIFT,
92 PLL_FRACDIV_MASK = 0xffffff,
93 PLL_FRACDIV_SHIFT = 0,
94
95 /* PLL_CON3 */
96 PLL_MODE_SHIFT = 8,
97 PLL_MODE_MASK = 3 << PLL_MODE_SHIFT,
98 PLL_MODE_SLOW = 0,
99 PLL_MODE_NORM,
100 PLL_MODE_DEEP,
101 PLL_DSMPD_SHIFT = 3,
102 PLL_DSMPD_MASK = 1 << PLL_DSMPD_SHIFT,
103 PLL_INTEGER_MODE = 1,
104
105 /* PMUCRU_CLKSEL_CON0 */
106 PMU_PCLK_DIV_CON_MASK = 0x1f,
107 PMU_PCLK_DIV_CON_SHIFT = 0,
108
109 /* PMUCRU_CLKSEL_CON1 */
110 SPI3_PLL_SEL_SHIFT = 7,
111 SPI3_PLL_SEL_MASK = 1 << SPI3_PLL_SEL_SHIFT,
112 SPI3_PLL_SEL_24M = 0,
113 SPI3_PLL_SEL_PPLL = 1,
114 SPI3_DIV_CON_SHIFT = 0x0,
115 SPI3_DIV_CON_MASK = 0x7f,
116
117 /* PMUCRU_CLKSEL_CON2 */
118 I2C_DIV_CON_MASK = 0x7f,
Kever Yang5e79f442016-08-12 17:47:15 +0800119 CLK_I2C8_DIV_CON_SHIFT = 8,
120 CLK_I2C0_DIV_CON_SHIFT = 0,
Kever Yangb0b3c862016-07-29 10:35:25 +0800121
122 /* PMUCRU_CLKSEL_CON3 */
Kever Yang5e79f442016-08-12 17:47:15 +0800123 CLK_I2C4_DIV_CON_SHIFT = 0,
Kever Yangb0b3c862016-07-29 10:35:25 +0800124
125 /* CLKSEL_CON0 */
126 ACLKM_CORE_L_DIV_CON_SHIFT = 8,
127 ACLKM_CORE_L_DIV_CON_MASK = 0x1f << ACLKM_CORE_L_DIV_CON_SHIFT,
128 CLK_CORE_L_PLL_SEL_SHIFT = 6,
129 CLK_CORE_L_PLL_SEL_MASK = 3 << CLK_CORE_L_PLL_SEL_SHIFT,
130 CLK_CORE_L_PLL_SEL_ALPLL = 0x0,
131 CLK_CORE_L_PLL_SEL_ABPLL = 0x1,
132 CLK_CORE_L_PLL_SEL_DPLL = 0x10,
133 CLK_CORE_L_PLL_SEL_GPLL = 0x11,
134 CLK_CORE_L_DIV_MASK = 0x1f,
135 CLK_CORE_L_DIV_SHIFT = 0,
136
137 /* CLKSEL_CON1 */
138 PCLK_DBG_L_DIV_SHIFT = 0x8,
139 PCLK_DBG_L_DIV_MASK = 0x1f << PCLK_DBG_L_DIV_SHIFT,
140 ATCLK_CORE_L_DIV_SHIFT = 0,
141 ATCLK_CORE_L_DIV_MASK = 0x1f << ATCLK_CORE_L_DIV_SHIFT,
142
Christoph Muellneraf765a42018-11-30 20:32:48 +0100143 /* CLKSEL_CON2 */
144 ACLKM_CORE_B_DIV_CON_SHIFT = 8,
145 ACLKM_CORE_B_DIV_CON_MASK = 0x1f << ACLKM_CORE_B_DIV_CON_SHIFT,
146 CLK_CORE_B_PLL_SEL_SHIFT = 6,
147 CLK_CORE_B_PLL_SEL_MASK = 3 << CLK_CORE_B_PLL_SEL_SHIFT,
148 CLK_CORE_B_PLL_SEL_ALPLL = 0x0,
149 CLK_CORE_B_PLL_SEL_ABPLL = 0x1,
150 CLK_CORE_B_PLL_SEL_DPLL = 0x10,
151 CLK_CORE_B_PLL_SEL_GPLL = 0x11,
152 CLK_CORE_B_DIV_MASK = 0x1f,
153 CLK_CORE_B_DIV_SHIFT = 0,
154
155 /* CLKSEL_CON3 */
156 PCLK_DBG_B_DIV_SHIFT = 0x8,
157 PCLK_DBG_B_DIV_MASK = 0x1f << PCLK_DBG_B_DIV_SHIFT,
158 ATCLK_CORE_B_DIV_SHIFT = 0,
159 ATCLK_CORE_B_DIV_MASK = 0x1f << ATCLK_CORE_B_DIV_SHIFT,
160
Kever Yangb0b3c862016-07-29 10:35:25 +0800161 /* CLKSEL_CON14 */
162 PCLK_PERIHP_DIV_CON_SHIFT = 12,
163 PCLK_PERIHP_DIV_CON_MASK = 0x7 << PCLK_PERIHP_DIV_CON_SHIFT,
164 HCLK_PERIHP_DIV_CON_SHIFT = 8,
165 HCLK_PERIHP_DIV_CON_MASK = 3 << HCLK_PERIHP_DIV_CON_SHIFT,
166 ACLK_PERIHP_PLL_SEL_SHIFT = 7,
167 ACLK_PERIHP_PLL_SEL_MASK = 1 << ACLK_PERIHP_PLL_SEL_SHIFT,
168 ACLK_PERIHP_PLL_SEL_CPLL = 0,
169 ACLK_PERIHP_PLL_SEL_GPLL = 1,
170 ACLK_PERIHP_DIV_CON_SHIFT = 0,
171 ACLK_PERIHP_DIV_CON_MASK = 0x1f,
172
173 /* CLKSEL_CON21 */
174 ACLK_EMMC_PLL_SEL_SHIFT = 7,
175 ACLK_EMMC_PLL_SEL_MASK = 0x1 << ACLK_EMMC_PLL_SEL_SHIFT,
176 ACLK_EMMC_PLL_SEL_GPLL = 0x1,
177 ACLK_EMMC_DIV_CON_SHIFT = 0,
178 ACLK_EMMC_DIV_CON_MASK = 0x1f,
179
180 /* CLKSEL_CON22 */
181 CLK_EMMC_PLL_SHIFT = 8,
182 CLK_EMMC_PLL_MASK = 0x7 << CLK_EMMC_PLL_SHIFT,
183 CLK_EMMC_PLL_SEL_GPLL = 0x1,
Kever Yangfd4b2dc2016-08-04 11:44:58 +0800184 CLK_EMMC_PLL_SEL_24M = 0x5,
Kever Yangb0b3c862016-07-29 10:35:25 +0800185 CLK_EMMC_DIV_CON_SHIFT = 0,
186 CLK_EMMC_DIV_CON_MASK = 0x7f << CLK_EMMC_DIV_CON_SHIFT,
187
188 /* CLKSEL_CON23 */
189 PCLK_PERILP0_DIV_CON_SHIFT = 12,
190 PCLK_PERILP0_DIV_CON_MASK = 0x7 << PCLK_PERILP0_DIV_CON_SHIFT,
191 HCLK_PERILP0_DIV_CON_SHIFT = 8,
192 HCLK_PERILP0_DIV_CON_MASK = 3 << HCLK_PERILP0_DIV_CON_SHIFT,
193 ACLK_PERILP0_PLL_SEL_SHIFT = 7,
194 ACLK_PERILP0_PLL_SEL_MASK = 1 << ACLK_PERILP0_PLL_SEL_SHIFT,
195 ACLK_PERILP0_PLL_SEL_CPLL = 0,
196 ACLK_PERILP0_PLL_SEL_GPLL = 1,
197 ACLK_PERILP0_DIV_CON_SHIFT = 0,
198 ACLK_PERILP0_DIV_CON_MASK = 0x1f,
199
200 /* CLKSEL_CON25 */
201 PCLK_PERILP1_DIV_CON_SHIFT = 8,
202 PCLK_PERILP1_DIV_CON_MASK = 0x7 << PCLK_PERILP1_DIV_CON_SHIFT,
203 HCLK_PERILP1_PLL_SEL_SHIFT = 7,
204 HCLK_PERILP1_PLL_SEL_MASK = 1 << HCLK_PERILP1_PLL_SEL_SHIFT,
205 HCLK_PERILP1_PLL_SEL_CPLL = 0,
206 HCLK_PERILP1_PLL_SEL_GPLL = 1,
207 HCLK_PERILP1_DIV_CON_SHIFT = 0,
208 HCLK_PERILP1_DIV_CON_MASK = 0x1f,
209
210 /* CLKSEL_CON26 */
211 CLK_SARADC_DIV_CON_SHIFT = 8,
David Wu364fc732017-09-20 14:38:58 +0800212 CLK_SARADC_DIV_CON_MASK = GENMASK(15, 8),
213 CLK_SARADC_DIV_CON_WIDTH = 8,
Kever Yangb0b3c862016-07-29 10:35:25 +0800214
215 /* CLKSEL_CON27 */
216 CLK_TSADC_SEL_X24M = 0x0,
217 CLK_TSADC_SEL_SHIFT = 15,
218 CLK_TSADC_SEL_MASK = 1 << CLK_TSADC_SEL_SHIFT,
219 CLK_TSADC_DIV_CON_SHIFT = 0,
220 CLK_TSADC_DIV_CON_MASK = 0x3ff,
221
222 /* CLKSEL_CON47 & CLKSEL_CON48 */
223 ACLK_VOP_PLL_SEL_SHIFT = 6,
224 ACLK_VOP_PLL_SEL_MASK = 0x3 << ACLK_VOP_PLL_SEL_SHIFT,
225 ACLK_VOP_PLL_SEL_CPLL = 0x1,
226 ACLK_VOP_DIV_CON_SHIFT = 0,
227 ACLK_VOP_DIV_CON_MASK = 0x1f << ACLK_VOP_DIV_CON_SHIFT,
228
229 /* CLKSEL_CON49 & CLKSEL_CON50 */
230 DCLK_VOP_DCLK_SEL_SHIFT = 11,
231 DCLK_VOP_DCLK_SEL_MASK = 1 << DCLK_VOP_DCLK_SEL_SHIFT,
232 DCLK_VOP_DCLK_SEL_DIVOUT = 0,
233 DCLK_VOP_PLL_SEL_SHIFT = 8,
234 DCLK_VOP_PLL_SEL_MASK = 3 << DCLK_VOP_PLL_SEL_SHIFT,
235 DCLK_VOP_PLL_SEL_VPLL = 0,
236 DCLK_VOP_DIV_CON_MASK = 0xff,
237 DCLK_VOP_DIV_CON_SHIFT = 0,
238
Jack Mitchellda0be4e2020-09-17 10:42:06 +0100239 /* CLKSEL_CON57 */
240 PCLK_ALIVE_DIV_CON_SHIFT = 0,
241 PCLK_ALIVE_DIV_CON_MASK = 0x1f << PCLK_ALIVE_DIV_CON_SHIFT,
242
Kever Yangb0b3c862016-07-29 10:35:25 +0800243 /* CLKSEL_CON58 */
Philipp Tomsich8fa69792017-04-20 22:05:49 +0200244 CLK_SPI_PLL_SEL_WIDTH = 1,
245 CLK_SPI_PLL_SEL_MASK = ((1 < CLK_SPI_PLL_SEL_WIDTH) - 1),
246 CLK_SPI_PLL_SEL_CPLL = 0,
247 CLK_SPI_PLL_SEL_GPLL = 1,
248 CLK_SPI_PLL_DIV_CON_WIDTH = 7,
249 CLK_SPI_PLL_DIV_CON_MASK = ((1 << CLK_SPI_PLL_DIV_CON_WIDTH) - 1),
250
251 CLK_SPI5_PLL_DIV_CON_SHIFT = 8,
252 CLK_SPI5_PLL_SEL_SHIFT = 15,
Kever Yangb0b3c862016-07-29 10:35:25 +0800253
254 /* CLKSEL_CON59 */
255 CLK_SPI1_PLL_SEL_SHIFT = 15,
256 CLK_SPI1_PLL_DIV_CON_SHIFT = 8,
257 CLK_SPI0_PLL_SEL_SHIFT = 7,
258 CLK_SPI0_PLL_DIV_CON_SHIFT = 0,
259
260 /* CLKSEL_CON60 */
261 CLK_SPI4_PLL_SEL_SHIFT = 15,
262 CLK_SPI4_PLL_DIV_CON_SHIFT = 8,
263 CLK_SPI2_PLL_SEL_SHIFT = 7,
264 CLK_SPI2_PLL_DIV_CON_SHIFT = 0,
265
266 /* CLKSEL_CON61 */
267 CLK_I2C_PLL_SEL_MASK = 1,
268 CLK_I2C_PLL_SEL_CPLL = 0,
269 CLK_I2C_PLL_SEL_GPLL = 1,
270 CLK_I2C5_PLL_SEL_SHIFT = 15,
271 CLK_I2C5_DIV_CON_SHIFT = 8,
272 CLK_I2C1_PLL_SEL_SHIFT = 7,
273 CLK_I2C1_DIV_CON_SHIFT = 0,
274
275 /* CLKSEL_CON62 */
276 CLK_I2C6_PLL_SEL_SHIFT = 15,
277 CLK_I2C6_DIV_CON_SHIFT = 8,
278 CLK_I2C2_PLL_SEL_SHIFT = 7,
279 CLK_I2C2_DIV_CON_SHIFT = 0,
280
281 /* CLKSEL_CON63 */
282 CLK_I2C7_PLL_SEL_SHIFT = 15,
283 CLK_I2C7_DIV_CON_SHIFT = 8,
284 CLK_I2C3_PLL_SEL_SHIFT = 7,
285 CLK_I2C3_DIV_CON_SHIFT = 0,
286
287 /* CRU_SOFTRST_CON4 */
288 RESETN_DDR0_REQ_SHIFT = 8,
289 RESETN_DDR0_REQ_MASK = 1 << RESETN_DDR0_REQ_SHIFT,
290 RESETN_DDRPHY0_REQ_SHIFT = 9,
291 RESETN_DDRPHY0_REQ_MASK = 1 << RESETN_DDRPHY0_REQ_SHIFT,
292 RESETN_DDR1_REQ_SHIFT = 12,
293 RESETN_DDR1_REQ_MASK = 1 << RESETN_DDR1_REQ_SHIFT,
294 RESETN_DDRPHY1_REQ_SHIFT = 13,
295 RESETN_DDRPHY1_REQ_MASK = 1 << RESETN_DDRPHY1_REQ_SHIFT,
296};
297
298#define VCO_MAX_KHZ (3200 * (MHz / KHz))
299#define VCO_MIN_KHZ (800 * (MHz / KHz))
300#define OUTPUT_MAX_KHZ (3200 * (MHz / KHz))
301#define OUTPUT_MIN_KHZ (16 * (MHz / KHz))
302
303/*
304 * the div restructions of pll in integer mode, these are defined in
305 * * CRU_*PLL_CON0 or PMUCRU_*PLL_CON0
306 */
307#define PLL_DIV_MIN 16
308#define PLL_DIV_MAX 3200
309
310/*
311 * How to calculate the PLL(from TRM V0.3 Part 1 Page 63):
312 * Formulas also embedded within the Fractional PLL Verilog model:
313 * If DSMPD = 1 (DSM is disabled, "integer mode")
314 * FOUTVCO = FREF / REFDIV * FBDIV
315 * FOUTPOSTDIV = FOUTVCO / POSTDIV1 / POSTDIV2
316 * Where:
317 * FOUTVCO = Fractional PLL non-divided output frequency
318 * FOUTPOSTDIV = Fractional PLL divided output frequency
319 * (output of second post divider)
320 * FREF = Fractional PLL input reference frequency, (the OSC_HZ 24MHz input)
321 * REFDIV = Fractional PLL input reference clock divider
322 * FBDIV = Integer value programmed into feedback divide
323 *
324 */
325static void rkclk_set_pll(u32 *pll_con, const struct pll_div *div)
326{
327 /* All 8 PLLs have same VCO and output frequency range restrictions. */
328 u32 vco_khz = OSC_HZ / 1000 * div->fbdiv / div->refdiv;
329 u32 output_khz = vco_khz / div->postdiv1 / div->postdiv2;
330
331 debug("PLL at %p: fbdiv=%d, refdiv=%d, postdiv1=%d, "
332 "postdiv2=%d, vco=%u khz, output=%u khz\n",
333 pll_con, div->fbdiv, div->refdiv, div->postdiv1,
334 div->postdiv2, vco_khz, output_khz);
335 assert(vco_khz >= VCO_MIN_KHZ && vco_khz <= VCO_MAX_KHZ &&
336 output_khz >= OUTPUT_MIN_KHZ && output_khz <= OUTPUT_MAX_KHZ &&
337 div->fbdiv >= PLL_DIV_MIN && div->fbdiv <= PLL_DIV_MAX);
338
339 /*
340 * When power on or changing PLL setting,
341 * we must force PLL into slow mode to ensure output stable clock.
342 */
343 rk_clrsetreg(&pll_con[3], PLL_MODE_MASK,
344 PLL_MODE_SLOW << PLL_MODE_SHIFT);
345
346 /* use integer mode */
347 rk_clrsetreg(&pll_con[3], PLL_DSMPD_MASK,
348 PLL_INTEGER_MODE << PLL_DSMPD_SHIFT);
349
350 rk_clrsetreg(&pll_con[0], PLL_FBDIV_MASK,
351 div->fbdiv << PLL_FBDIV_SHIFT);
352 rk_clrsetreg(&pll_con[1],
353 PLL_POSTDIV2_MASK | PLL_POSTDIV1_MASK |
354 PLL_REFDIV_MASK | PLL_REFDIV_SHIFT,
355 (div->postdiv2 << PLL_POSTDIV2_SHIFT) |
356 (div->postdiv1 << PLL_POSTDIV1_SHIFT) |
357 (div->refdiv << PLL_REFDIV_SHIFT));
358
359 /* waiting for pll lock */
360 while (!(readl(&pll_con[2]) & (1 << PLL_LOCK_STATUS_SHIFT)))
361 udelay(1);
362
363 /* pll enter normal mode */
364 rk_clrsetreg(&pll_con[3], PLL_MODE_MASK,
365 PLL_MODE_NORM << PLL_MODE_SHIFT);
366}
367
368static int pll_para_config(u32 freq_hz, struct pll_div *div)
369{
370 u32 ref_khz = OSC_HZ / KHz, refdiv, fbdiv = 0;
371 u32 postdiv1, postdiv2 = 1;
372 u32 fref_khz;
373 u32 diff_khz, best_diff_khz;
374 const u32 max_refdiv = 63, max_fbdiv = 3200, min_fbdiv = 16;
375 const u32 max_postdiv1 = 7, max_postdiv2 = 7;
376 u32 vco_khz;
377 u32 freq_khz = freq_hz / KHz;
378
379 if (!freq_hz) {
380 printf("%s: the frequency can't be 0 Hz\n", __func__);
381 return -1;
382 }
383
384 postdiv1 = DIV_ROUND_UP(VCO_MIN_KHZ, freq_khz);
385 if (postdiv1 > max_postdiv1) {
386 postdiv2 = DIV_ROUND_UP(postdiv1, max_postdiv1);
387 postdiv1 = DIV_ROUND_UP(postdiv1, postdiv2);
388 }
389
390 vco_khz = freq_khz * postdiv1 * postdiv2;
391
392 if (vco_khz < VCO_MIN_KHZ || vco_khz > VCO_MAX_KHZ ||
393 postdiv2 > max_postdiv2) {
394 printf("%s: Cannot find out a supported VCO"
395 " for Frequency (%uHz).\n", __func__, freq_hz);
396 return -1;
397 }
398
399 div->postdiv1 = postdiv1;
400 div->postdiv2 = postdiv2;
401
402 best_diff_khz = vco_khz;
403 for (refdiv = 1; refdiv < max_refdiv && best_diff_khz; refdiv++) {
404 fref_khz = ref_khz / refdiv;
405
406 fbdiv = vco_khz / fref_khz;
Jagan Tekidd7dfa22019-07-15 23:51:10 +0530407 if (fbdiv >= max_fbdiv || fbdiv <= min_fbdiv)
Kever Yangb0b3c862016-07-29 10:35:25 +0800408 continue;
409 diff_khz = vco_khz - fbdiv * fref_khz;
410 if (fbdiv + 1 < max_fbdiv && diff_khz > fref_khz / 2) {
411 fbdiv++;
412 diff_khz = fref_khz - diff_khz;
413 }
414
415 if (diff_khz >= best_diff_khz)
416 continue;
417
418 best_diff_khz = diff_khz;
419 div->refdiv = refdiv;
420 div->fbdiv = fbdiv;
421 }
422
Jagan Tekidd7dfa22019-07-15 23:51:10 +0530423 if (best_diff_khz > 4 * (MHz / KHz)) {
Kever Yangb0b3c862016-07-29 10:35:25 +0800424 printf("%s: Failed to match output frequency %u, "
425 "difference is %u Hz,exceed 4MHZ\n", __func__, freq_hz,
426 best_diff_khz * KHz);
427 return -1;
428 }
429 return 0;
430}
431
Jagan Tekib52a1992020-01-09 14:22:17 +0530432void rk3399_configure_cpu_l(struct rockchip_cru *cru,
Christoph Muellneraf765a42018-11-30 20:32:48 +0100433 enum apll_l_frequencies apll_l_freq)
Kever Yangb0b3c862016-07-29 10:35:25 +0800434{
435 u32 aclkm_div;
436 u32 pclk_dbg_div;
437 u32 atclk_div;
438
Christoph Muellneraf765a42018-11-30 20:32:48 +0100439 /* Setup cluster L */
Kever Yangb0b3c862016-07-29 10:35:25 +0800440 rkclk_set_pll(&cru->apll_l_con[0], apll_l_cfgs[apll_l_freq]);
441
Christoph Muellneraf765a42018-11-30 20:32:48 +0100442 aclkm_div = LPLL_HZ / ACLKM_CORE_L_HZ - 1;
443 assert((aclkm_div + 1) * ACLKM_CORE_L_HZ == LPLL_HZ &&
Kever Yangb0b3c862016-07-29 10:35:25 +0800444 aclkm_div < 0x1f);
445
Christoph Muellneraf765a42018-11-30 20:32:48 +0100446 pclk_dbg_div = LPLL_HZ / PCLK_DBG_L_HZ - 1;
447 assert((pclk_dbg_div + 1) * PCLK_DBG_L_HZ == LPLL_HZ &&
Kever Yangb0b3c862016-07-29 10:35:25 +0800448 pclk_dbg_div < 0x1f);
449
Christoph Muellneraf765a42018-11-30 20:32:48 +0100450 atclk_div = LPLL_HZ / ATCLK_CORE_L_HZ - 1;
451 assert((atclk_div + 1) * ATCLK_CORE_L_HZ == LPLL_HZ &&
Kever Yangb0b3c862016-07-29 10:35:25 +0800452 atclk_div < 0x1f);
453
454 rk_clrsetreg(&cru->clksel_con[0],
455 ACLKM_CORE_L_DIV_CON_MASK | CLK_CORE_L_PLL_SEL_MASK |
456 CLK_CORE_L_DIV_MASK,
457 aclkm_div << ACLKM_CORE_L_DIV_CON_SHIFT |
458 CLK_CORE_L_PLL_SEL_ALPLL << CLK_CORE_L_PLL_SEL_SHIFT |
459 0 << CLK_CORE_L_DIV_SHIFT);
460
461 rk_clrsetreg(&cru->clksel_con[1],
462 PCLK_DBG_L_DIV_MASK | ATCLK_CORE_L_DIV_MASK,
463 pclk_dbg_div << PCLK_DBG_L_DIV_SHIFT |
464 atclk_div << ATCLK_CORE_L_DIV_SHIFT);
465}
Christoph Muellneraf765a42018-11-30 20:32:48 +0100466
Jagan Tekib52a1992020-01-09 14:22:17 +0530467void rk3399_configure_cpu_b(struct rockchip_cru *cru,
Christoph Muellneraf765a42018-11-30 20:32:48 +0100468 enum apll_b_frequencies apll_b_freq)
469{
470 u32 aclkm_div;
471 u32 pclk_dbg_div;
472 u32 atclk_div;
473
474 /* Setup cluster B */
475 rkclk_set_pll(&cru->apll_b_con[0], apll_b_cfgs[apll_b_freq]);
476
477 aclkm_div = BPLL_HZ / ACLKM_CORE_B_HZ - 1;
478 assert((aclkm_div + 1) * ACLKM_CORE_B_HZ == BPLL_HZ &&
479 aclkm_div < 0x1f);
480
481 pclk_dbg_div = BPLL_HZ / PCLK_DBG_B_HZ - 1;
482 assert((pclk_dbg_div + 1) * PCLK_DBG_B_HZ == BPLL_HZ &&
483 pclk_dbg_div < 0x1f);
484
485 atclk_div = BPLL_HZ / ATCLK_CORE_B_HZ - 1;
486 assert((atclk_div + 1) * ATCLK_CORE_B_HZ == BPLL_HZ &&
487 atclk_div < 0x1f);
488
489 rk_clrsetreg(&cru->clksel_con[2],
490 ACLKM_CORE_B_DIV_CON_MASK | CLK_CORE_B_PLL_SEL_MASK |
491 CLK_CORE_B_DIV_MASK,
492 aclkm_div << ACLKM_CORE_B_DIV_CON_SHIFT |
493 CLK_CORE_B_PLL_SEL_ABPLL << CLK_CORE_B_PLL_SEL_SHIFT |
494 0 << CLK_CORE_B_DIV_SHIFT);
495
496 rk_clrsetreg(&cru->clksel_con[3],
497 PCLK_DBG_B_DIV_MASK | ATCLK_CORE_B_DIV_MASK,
498 pclk_dbg_div << PCLK_DBG_B_DIV_SHIFT |
499 atclk_div << ATCLK_CORE_B_DIV_SHIFT);
500}
501
Kever Yangb0b3c862016-07-29 10:35:25 +0800502#define I2C_CLK_REG_MASK(bus) \
Jagan Tekidd7dfa22019-07-15 23:51:10 +0530503 (I2C_DIV_CON_MASK << CLK_I2C ##bus## _DIV_CON_SHIFT | \
504 CLK_I2C_PLL_SEL_MASK << CLK_I2C ##bus## _PLL_SEL_SHIFT)
Kever Yangb0b3c862016-07-29 10:35:25 +0800505
506#define I2C_CLK_REG_VALUE(bus, clk_div) \
Jagan Tekidd7dfa22019-07-15 23:51:10 +0530507 ((clk_div - 1) << CLK_I2C ##bus## _DIV_CON_SHIFT | \
508 CLK_I2C_PLL_SEL_GPLL << CLK_I2C ##bus## _PLL_SEL_SHIFT)
Kever Yangb0b3c862016-07-29 10:35:25 +0800509
510#define I2C_CLK_DIV_VALUE(con, bus) \
Jagan Tekidd7dfa22019-07-15 23:51:10 +0530511 ((con >> CLK_I2C ##bus## _DIV_CON_SHIFT) & I2C_DIV_CON_MASK)
Kever Yangb0b3c862016-07-29 10:35:25 +0800512
Kever Yang5e79f442016-08-12 17:47:15 +0800513#define I2C_PMUCLK_REG_MASK(bus) \
Jagan Tekidd7dfa22019-07-15 23:51:10 +0530514 (I2C_DIV_CON_MASK << CLK_I2C ##bus## _DIV_CON_SHIFT)
Kever Yang5e79f442016-08-12 17:47:15 +0800515
516#define I2C_PMUCLK_REG_VALUE(bus, clk_div) \
Jagan Tekidd7dfa22019-07-15 23:51:10 +0530517 ((clk_div - 1) << CLK_I2C ##bus## _DIV_CON_SHIFT)
Kever Yang5e79f442016-08-12 17:47:15 +0800518
Jagan Tekib52a1992020-01-09 14:22:17 +0530519static ulong rk3399_i2c_get_clk(struct rockchip_cru *cru, ulong clk_id)
Kever Yangb0b3c862016-07-29 10:35:25 +0800520{
521 u32 div, con;
522
523 switch (clk_id) {
524 case SCLK_I2C1:
525 con = readl(&cru->clksel_con[61]);
526 div = I2C_CLK_DIV_VALUE(con, 1);
527 break;
528 case SCLK_I2C2:
529 con = readl(&cru->clksel_con[62]);
530 div = I2C_CLK_DIV_VALUE(con, 2);
531 break;
532 case SCLK_I2C3:
533 con = readl(&cru->clksel_con[63]);
534 div = I2C_CLK_DIV_VALUE(con, 3);
535 break;
536 case SCLK_I2C5:
537 con = readl(&cru->clksel_con[61]);
538 div = I2C_CLK_DIV_VALUE(con, 5);
539 break;
540 case SCLK_I2C6:
541 con = readl(&cru->clksel_con[62]);
542 div = I2C_CLK_DIV_VALUE(con, 6);
543 break;
544 case SCLK_I2C7:
545 con = readl(&cru->clksel_con[63]);
546 div = I2C_CLK_DIV_VALUE(con, 7);
547 break;
548 default:
549 printf("do not support this i2c bus\n");
550 return -EINVAL;
551 }
552
553 return DIV_TO_RATE(GPLL_HZ, div);
554}
555
Jagan Tekib52a1992020-01-09 14:22:17 +0530556static ulong rk3399_i2c_set_clk(struct rockchip_cru *cru, ulong clk_id, uint hz)
Kever Yangb0b3c862016-07-29 10:35:25 +0800557{
558 int src_clk_div;
559
560 /* i2c0,4,8 src clock from ppll, i2c1,2,3,5,6,7 src clock from gpll*/
561 src_clk_div = GPLL_HZ / hz;
562 assert(src_clk_div - 1 < 127);
563
564 switch (clk_id) {
565 case SCLK_I2C1:
566 rk_clrsetreg(&cru->clksel_con[61], I2C_CLK_REG_MASK(1),
567 I2C_CLK_REG_VALUE(1, src_clk_div));
568 break;
569 case SCLK_I2C2:
570 rk_clrsetreg(&cru->clksel_con[62], I2C_CLK_REG_MASK(2),
571 I2C_CLK_REG_VALUE(2, src_clk_div));
572 break;
573 case SCLK_I2C3:
574 rk_clrsetreg(&cru->clksel_con[63], I2C_CLK_REG_MASK(3),
575 I2C_CLK_REG_VALUE(3, src_clk_div));
576 break;
577 case SCLK_I2C5:
578 rk_clrsetreg(&cru->clksel_con[61], I2C_CLK_REG_MASK(5),
579 I2C_CLK_REG_VALUE(5, src_clk_div));
580 break;
581 case SCLK_I2C6:
582 rk_clrsetreg(&cru->clksel_con[62], I2C_CLK_REG_MASK(6),
583 I2C_CLK_REG_VALUE(6, src_clk_div));
584 break;
585 case SCLK_I2C7:
586 rk_clrsetreg(&cru->clksel_con[63], I2C_CLK_REG_MASK(7),
587 I2C_CLK_REG_VALUE(7, src_clk_div));
588 break;
589 default:
590 printf("do not support this i2c bus\n");
591 return -EINVAL;
592 }
593
Philipp Tomsichbeb90a52017-04-20 22:05:50 +0200594 return rk3399_i2c_get_clk(cru, clk_id);
Kever Yangb0b3c862016-07-29 10:35:25 +0800595}
596
Philipp Tomsich8fa69792017-04-20 22:05:49 +0200597/*
598 * RK3399 SPI clocks have a common divider-width (7 bits) and a single bit
599 * to select either CPLL or GPLL as the clock-parent. The location within
600 * the enclosing CLKSEL_CON (i.e. div_shift and sel_shift) are variable.
601 */
602
603struct spi_clkreg {
Jagan Tekidd7dfa22019-07-15 23:51:10 +0530604 u8 reg; /* CLKSEL_CON[reg] register in CRU */
605 u8 div_shift;
606 u8 sel_shift;
Philipp Tomsich8fa69792017-04-20 22:05:49 +0200607};
608
609/*
610 * The entries are numbered relative to their offset from SCLK_SPI0.
611 *
612 * Note that SCLK_SPI3 (which is configured via PMUCRU and requires different
613 * logic is not supported).
614 */
615static const struct spi_clkreg spi_clkregs[] = {
616 [0] = { .reg = 59,
617 .div_shift = CLK_SPI0_PLL_DIV_CON_SHIFT,
618 .sel_shift = CLK_SPI0_PLL_SEL_SHIFT, },
619 [1] = { .reg = 59,
620 .div_shift = CLK_SPI1_PLL_DIV_CON_SHIFT,
621 .sel_shift = CLK_SPI1_PLL_SEL_SHIFT, },
622 [2] = { .reg = 60,
623 .div_shift = CLK_SPI2_PLL_DIV_CON_SHIFT,
624 .sel_shift = CLK_SPI2_PLL_SEL_SHIFT, },
625 [3] = { .reg = 60,
626 .div_shift = CLK_SPI4_PLL_DIV_CON_SHIFT,
627 .sel_shift = CLK_SPI4_PLL_SEL_SHIFT, },
628 [4] = { .reg = 58,
629 .div_shift = CLK_SPI5_PLL_DIV_CON_SHIFT,
630 .sel_shift = CLK_SPI5_PLL_SEL_SHIFT, },
631};
632
Jagan Tekib52a1992020-01-09 14:22:17 +0530633static ulong rk3399_spi_get_clk(struct rockchip_cru *cru, ulong clk_id)
Philipp Tomsich8fa69792017-04-20 22:05:49 +0200634{
635 const struct spi_clkreg *spiclk = NULL;
636 u32 div, val;
637
638 switch (clk_id) {
639 case SCLK_SPI0 ... SCLK_SPI5:
640 spiclk = &spi_clkregs[clk_id - SCLK_SPI0];
641 break;
642
643 default:
Masahiro Yamada9b643e32017-09-16 14:10:41 +0900644 pr_err("%s: SPI clk-id %ld not supported\n", __func__, clk_id);
Philipp Tomsich8fa69792017-04-20 22:05:49 +0200645 return -EINVAL;
646 }
647
648 val = readl(&cru->clksel_con[spiclk->reg]);
Philipp Tomsicha8ee98d2017-11-22 19:45:04 +0100649 div = bitfield_extract(val, spiclk->div_shift,
650 CLK_SPI_PLL_DIV_CON_WIDTH);
Philipp Tomsich8fa69792017-04-20 22:05:49 +0200651
652 return DIV_TO_RATE(GPLL_HZ, div);
653}
654
Jagan Tekib52a1992020-01-09 14:22:17 +0530655static ulong rk3399_spi_set_clk(struct rockchip_cru *cru, ulong clk_id, uint hz)
Philipp Tomsich8fa69792017-04-20 22:05:49 +0200656{
657 const struct spi_clkreg *spiclk = NULL;
658 int src_clk_div;
659
Kever Yang217273c2017-07-27 12:54:02 +0800660 src_clk_div = DIV_ROUND_UP(GPLL_HZ, hz) - 1;
661 assert(src_clk_div < 128);
Philipp Tomsich8fa69792017-04-20 22:05:49 +0200662
663 switch (clk_id) {
664 case SCLK_SPI1 ... SCLK_SPI5:
665 spiclk = &spi_clkregs[clk_id - SCLK_SPI0];
666 break;
667
668 default:
Masahiro Yamada9b643e32017-09-16 14:10:41 +0900669 pr_err("%s: SPI clk-id %ld not supported\n", __func__, clk_id);
Philipp Tomsich8fa69792017-04-20 22:05:49 +0200670 return -EINVAL;
671 }
672
673 rk_clrsetreg(&cru->clksel_con[spiclk->reg],
674 ((CLK_SPI_PLL_DIV_CON_MASK << spiclk->div_shift) |
675 (CLK_SPI_PLL_SEL_GPLL << spiclk->sel_shift)),
676 ((src_clk_div << spiclk->div_shift) |
677 (CLK_SPI_PLL_SEL_GPLL << spiclk->sel_shift)));
678
Philipp Tomsichbeb90a52017-04-20 22:05:50 +0200679 return rk3399_spi_get_clk(cru, clk_id);
Philipp Tomsich8fa69792017-04-20 22:05:49 +0200680}
681
Jagan Tekib52a1992020-01-09 14:22:17 +0530682static ulong rk3399_vop_set_clk(struct rockchip_cru *cru, ulong clk_id, u32 hz)
Kever Yangb0b3c862016-07-29 10:35:25 +0800683{
684 struct pll_div vpll_config = {0};
Jagan Tekidd7dfa22019-07-15 23:51:10 +0530685 int aclk_vop = 198 * MHz;
Kever Yangb0b3c862016-07-29 10:35:25 +0800686 void *aclkreg_addr, *dclkreg_addr;
687 u32 div;
688
689 switch (clk_id) {
690 case DCLK_VOP0:
691 aclkreg_addr = &cru->clksel_con[47];
692 dclkreg_addr = &cru->clksel_con[49];
693 break;
694 case DCLK_VOP1:
695 aclkreg_addr = &cru->clksel_con[48];
696 dclkreg_addr = &cru->clksel_con[50];
697 break;
698 default:
699 return -EINVAL;
700 }
701 /* vop aclk source clk: cpll */
702 div = CPLL_HZ / aclk_vop;
703 assert(div - 1 < 32);
704
705 rk_clrsetreg(aclkreg_addr,
706 ACLK_VOP_PLL_SEL_MASK | ACLK_VOP_DIV_CON_MASK,
707 ACLK_VOP_PLL_SEL_CPLL << ACLK_VOP_PLL_SEL_SHIFT |
708 (div - 1) << ACLK_VOP_DIV_CON_SHIFT);
709
710 /* vop dclk source from vpll, and equals to vpll(means div == 1) */
711 if (pll_para_config(hz, &vpll_config))
712 return -1;
713
714 rkclk_set_pll(&cru->vpll_con[0], &vpll_config);
715
716 rk_clrsetreg(dclkreg_addr,
Jagan Tekidd7dfa22019-07-15 23:51:10 +0530717 DCLK_VOP_DCLK_SEL_MASK | DCLK_VOP_PLL_SEL_MASK |
Kever Yangb0b3c862016-07-29 10:35:25 +0800718 DCLK_VOP_DIV_CON_MASK,
719 DCLK_VOP_DCLK_SEL_DIVOUT << DCLK_VOP_DCLK_SEL_SHIFT |
720 DCLK_VOP_PLL_SEL_VPLL << DCLK_VOP_PLL_SEL_SHIFT |
721 (1 - 1) << DCLK_VOP_DIV_CON_SHIFT);
722
723 return hz;
724}
725
Jagan Tekib52a1992020-01-09 14:22:17 +0530726static ulong rk3399_mmc_get_clk(struct rockchip_cru *cru, uint clk_id)
Kever Yangb0b3c862016-07-29 10:35:25 +0800727{
728 u32 div, con;
729
730 switch (clk_id) {
Michal Suchanekf103c112022-08-21 09:17:24 +0200731 case HCLK_SDIO:
732 case SCLK_SDIO:
733 con = readl(&cru->clksel_con[15]);
734 /* dwmmc controller have internal div 2 */
735 div = 2;
736 break;
Philipp Tomsich998c61a2017-04-25 09:52:06 +0200737 case HCLK_SDMMC:
Kever Yangb0b3c862016-07-29 10:35:25 +0800738 case SCLK_SDMMC:
739 con = readl(&cru->clksel_con[16]);
Kever Yang3a94d752017-07-27 12:54:01 +0800740 /* dwmmc controller have internal div 2 */
741 div = 2;
Kever Yangb0b3c862016-07-29 10:35:25 +0800742 break;
743 case SCLK_EMMC:
Jagan Teki46481082020-05-24 22:13:15 +0530744 con = readl(&cru->clksel_con[22]);
Kever Yang3a94d752017-07-27 12:54:01 +0800745 div = 1;
Kever Yangb0b3c862016-07-29 10:35:25 +0800746 break;
747 default:
748 return -EINVAL;
749 }
Kever Yangb0b3c862016-07-29 10:35:25 +0800750
Kever Yang3a94d752017-07-27 12:54:01 +0800751 div *= (con & CLK_EMMC_DIV_CON_MASK) >> CLK_EMMC_DIV_CON_SHIFT;
Kever Yangfd4b2dc2016-08-04 11:44:58 +0800752 if ((con & CLK_EMMC_PLL_MASK) >> CLK_EMMC_PLL_SHIFT
753 == CLK_EMMC_PLL_SEL_24M)
Kever Yang3a94d752017-07-27 12:54:01 +0800754 return DIV_TO_RATE(OSC_HZ, div);
Kever Yangfd4b2dc2016-08-04 11:44:58 +0800755 else
756 return DIV_TO_RATE(GPLL_HZ, div);
Kever Yangb0b3c862016-07-29 10:35:25 +0800757}
758
Michal Suchanekf103c112022-08-21 09:17:24 +0200759static void rk3399_dwmmc_set_clk(struct rockchip_cru *cru,
760 unsigned int con, ulong set_rate)
761{
762 /* Select clk_sdmmc source from GPLL by default */
763 /* mmc clock defaulg div 2 internal, provide double in cru */
764 int src_clk_div = DIV_ROUND_UP(GPLL_HZ / 2, set_rate);
765
766 if (src_clk_div > 128) {
767 /* use 24MHz source for 400KHz clock */
768 src_clk_div = DIV_ROUND_UP(OSC_HZ / 2, set_rate);
769 assert(src_clk_div - 1 < 128);
770 rk_clrsetreg(&cru->clksel_con[con],
771 CLK_EMMC_PLL_MASK | CLK_EMMC_DIV_CON_MASK,
772 CLK_EMMC_PLL_SEL_24M << CLK_EMMC_PLL_SHIFT |
773 (src_clk_div - 1) << CLK_EMMC_DIV_CON_SHIFT);
774 } else {
775 rk_clrsetreg(&cru->clksel_con[con],
776 CLK_EMMC_PLL_MASK | CLK_EMMC_DIV_CON_MASK,
777 CLK_EMMC_PLL_SEL_GPLL << CLK_EMMC_PLL_SHIFT |
778 (src_clk_div - 1) << CLK_EMMC_DIV_CON_SHIFT);
779 }
780}
781
Jagan Tekib52a1992020-01-09 14:22:17 +0530782static ulong rk3399_mmc_set_clk(struct rockchip_cru *cru,
Kever Yangb0b3c862016-07-29 10:35:25 +0800783 ulong clk_id, ulong set_rate)
784{
Kever Yangb0b3c862016-07-29 10:35:25 +0800785 switch (clk_id) {
Michal Suchanekf103c112022-08-21 09:17:24 +0200786 case HCLK_SDIO:
787 case SCLK_SDIO:
788 rk3399_dwmmc_set_clk(cru, 15, set_rate);
789 break;
Philipp Tomsich998c61a2017-04-25 09:52:06 +0200790 case HCLK_SDMMC:
Kever Yangb0b3c862016-07-29 10:35:25 +0800791 case SCLK_SDMMC:
Michal Suchanekf103c112022-08-21 09:17:24 +0200792 rk3399_dwmmc_set_clk(cru, 16, set_rate);
Kever Yangb0b3c862016-07-29 10:35:25 +0800793 break;
Michal Suchanekf103c112022-08-21 09:17:24 +0200794 case SCLK_EMMC: {
795 int aclk_emmc = 198 * MHz;
Kever Yangb0b3c862016-07-29 10:35:25 +0800796 /* Select aclk_emmc source from GPLL */
Michal Suchanekf103c112022-08-21 09:17:24 +0200797 int src_clk_div = DIV_ROUND_UP(GPLL_HZ, aclk_emmc);
798
Kever Yang217273c2017-07-27 12:54:02 +0800799 assert(src_clk_div - 1 < 32);
Kever Yangb0b3c862016-07-29 10:35:25 +0800800
801 rk_clrsetreg(&cru->clksel_con[21],
802 ACLK_EMMC_PLL_SEL_MASK | ACLK_EMMC_DIV_CON_MASK,
803 ACLK_EMMC_PLL_SEL_GPLL << ACLK_EMMC_PLL_SEL_SHIFT |
804 (src_clk_div - 1) << ACLK_EMMC_DIV_CON_SHIFT);
805
806 /* Select clk_emmc source from GPLL too */
Kever Yang217273c2017-07-27 12:54:02 +0800807 src_clk_div = DIV_ROUND_UP(GPLL_HZ, set_rate);
808 assert(src_clk_div - 1 < 128);
Kever Yangb0b3c862016-07-29 10:35:25 +0800809
810 rk_clrsetreg(&cru->clksel_con[22],
811 CLK_EMMC_PLL_MASK | CLK_EMMC_DIV_CON_MASK,
812 CLK_EMMC_PLL_SEL_GPLL << CLK_EMMC_PLL_SHIFT |
813 (src_clk_div - 1) << CLK_EMMC_DIV_CON_SHIFT);
814 break;
Michal Suchanekf103c112022-08-21 09:17:24 +0200815 }
Kever Yangb0b3c862016-07-29 10:35:25 +0800816 default:
817 return -EINVAL;
818 }
819 return rk3399_mmc_get_clk(cru, clk_id);
820}
821
Jagan Tekib52a1992020-01-09 14:22:17 +0530822static ulong rk3399_gmac_set_clk(struct rockchip_cru *cru, ulong rate)
Philipp Tomsicha45f17e2018-01-08 13:11:01 +0100823{
824 ulong ret;
825
826 /*
827 * The RGMII CLK can be derived either from an external "clkin"
828 * or can be generated from internally by a divider from SCLK_MAC.
829 */
830 if (readl(&cru->clksel_con[19]) & BIT(4)) {
831 /* An external clock will always generate the right rate... */
832 ret = rate;
833 } else {
834 /*
835 * No platform uses an internal clock to date.
836 * Implement this once it becomes necessary and print an error
837 * if someone tries to use it (while it remains unimplemented).
838 */
839 pr_err("%s: internal clock is UNIMPLEMENTED\n", __func__);
840 ret = 0;
841 }
842
843 return ret;
844}
845
Kever Yang5ae2fd92017-02-13 17:38:56 +0800846#define PMUSGRF_DDR_RGN_CON16 0xff330040
Jagan Tekib52a1992020-01-09 14:22:17 +0530847static ulong rk3399_ddr_set_clk(struct rockchip_cru *cru,
Kever Yang5ae2fd92017-02-13 17:38:56 +0800848 ulong set_rate)
849{
850 struct pll_div dpll_cfg;
851
852 /* IC ECO bug, need to set this register */
853 writel(0xc000c000, PMUSGRF_DDR_RGN_CON16);
854
855 /* clk_ddrc == DPLL = 24MHz / refdiv * fbdiv / postdiv1 / postdiv2 */
856 switch (set_rate) {
Jagan Teki09565682019-07-16 17:27:35 +0530857 case 50 * MHz:
858 dpll_cfg = (struct pll_div)
Xavier Drudis Ferran2cb23b82022-07-16 12:31:45 +0200859 {.refdiv = 2, .fbdiv = 75, .postdiv1 = 3, .postdiv2 = 6};
Jagan Teki09565682019-07-16 17:27:35 +0530860 break;
Jagan Tekidd7dfa22019-07-15 23:51:10 +0530861 case 200 * MHz:
Kever Yang5ae2fd92017-02-13 17:38:56 +0800862 dpll_cfg = (struct pll_div)
863 {.refdiv = 1, .fbdiv = 50, .postdiv1 = 6, .postdiv2 = 1};
864 break;
Jagan Tekidd7dfa22019-07-15 23:51:10 +0530865 case 300 * MHz:
Kever Yang5ae2fd92017-02-13 17:38:56 +0800866 dpll_cfg = (struct pll_div)
867 {.refdiv = 2, .fbdiv = 100, .postdiv1 = 4, .postdiv2 = 1};
868 break;
Jagan Tekif556d752019-07-16 17:27:36 +0530869 case 400 * MHz:
870 dpll_cfg = (struct pll_div)
871 {.refdiv = 1, .fbdiv = 50, .postdiv1 = 3, .postdiv2 = 1};
872 break;
Jagan Tekidd7dfa22019-07-15 23:51:10 +0530873 case 666 * MHz:
Kever Yang5ae2fd92017-02-13 17:38:56 +0800874 dpll_cfg = (struct pll_div)
875 {.refdiv = 2, .fbdiv = 111, .postdiv1 = 2, .postdiv2 = 1};
876 break;
Jagan Tekidd7dfa22019-07-15 23:51:10 +0530877 case 800 * MHz:
Kever Yang5ae2fd92017-02-13 17:38:56 +0800878 dpll_cfg = (struct pll_div)
879 {.refdiv = 1, .fbdiv = 100, .postdiv1 = 3, .postdiv2 = 1};
880 break;
Jagan Tekidd7dfa22019-07-15 23:51:10 +0530881 case 933 * MHz:
Kever Yang5ae2fd92017-02-13 17:38:56 +0800882 dpll_cfg = (struct pll_div)
883 {.refdiv = 1, .fbdiv = 116, .postdiv1 = 3, .postdiv2 = 1};
884 break;
885 default:
Masahiro Yamada9b643e32017-09-16 14:10:41 +0900886 pr_err("Unsupported SDRAM frequency!,%ld\n", set_rate);
Kever Yang5ae2fd92017-02-13 17:38:56 +0800887 }
888 rkclk_set_pll(&cru->dpll_con[0], &dpll_cfg);
889
890 return set_rate;
891}
David Wu364fc732017-09-20 14:38:58 +0800892
Jack Mitchellda0be4e2020-09-17 10:42:06 +0100893static ulong rk3399_alive_get_clk(struct rockchip_cru *cru)
894{
895 u32 div, val;
896
897 val = readl(&cru->clksel_con[57]);
898 div = (val & PCLK_ALIVE_DIV_CON_MASK) >>
899 PCLK_ALIVE_DIV_CON_SHIFT;
900
901 return DIV_TO_RATE(GPLL_HZ, div);
902}
903
Jagan Tekib52a1992020-01-09 14:22:17 +0530904static ulong rk3399_saradc_get_clk(struct rockchip_cru *cru)
David Wu364fc732017-09-20 14:38:58 +0800905{
906 u32 div, val;
907
908 val = readl(&cru->clksel_con[26]);
909 div = bitfield_extract(val, CLK_SARADC_DIV_CON_SHIFT,
910 CLK_SARADC_DIV_CON_WIDTH);
911
912 return DIV_TO_RATE(OSC_HZ, div);
913}
914
Jagan Tekib52a1992020-01-09 14:22:17 +0530915static ulong rk3399_saradc_set_clk(struct rockchip_cru *cru, uint hz)
David Wu364fc732017-09-20 14:38:58 +0800916{
917 int src_clk_div;
918
919 src_clk_div = DIV_ROUND_UP(OSC_HZ, hz) - 1;
920 assert(src_clk_div < 128);
921
922 rk_clrsetreg(&cru->clksel_con[26],
923 CLK_SARADC_DIV_CON_MASK,
924 src_clk_div << CLK_SARADC_DIV_CON_SHIFT);
925
926 return rk3399_saradc_get_clk(cru);
927}
928
Jonas Karlmane801d052024-05-01 16:22:20 +0000929static ulong rk3399_pciephy_get_clk(struct rockchip_cru *cru)
930{
931 if (readl(&cru->clksel_con[18]) & BIT(10))
932 return 100 * MHz;
933 else
934 return OSC_HZ;
935}
936
937static ulong rk3399_pciephy_set_clk(struct rockchip_cru *cru, uint hz)
938{
939 if (hz == 100 * MHz)
940 rk_setreg(&cru->clksel_con[18], BIT(10));
941 else if (hz == OSC_HZ)
942 rk_clrreg(&cru->clksel_con[18], BIT(10));
943 else
944 return -EINVAL;
945
946 return rk3399_pciephy_get_clk(cru);
947}
948
Kever Yangb0b3c862016-07-29 10:35:25 +0800949static ulong rk3399_clk_get_rate(struct clk *clk)
950{
951 struct rk3399_clk_priv *priv = dev_get_priv(clk->dev);
952 ulong rate = 0;
953
954 switch (clk->id) {
955 case 0 ... 63:
956 return 0;
Michal Suchanekf103c112022-08-21 09:17:24 +0200957 case HCLK_SDIO:
958 case SCLK_SDIO:
Philipp Tomsich998c61a2017-04-25 09:52:06 +0200959 case HCLK_SDMMC:
Kever Yangb0b3c862016-07-29 10:35:25 +0800960 case SCLK_SDMMC:
961 case SCLK_EMMC:
962 rate = rk3399_mmc_get_clk(priv->cru, clk->id);
963 break;
964 case SCLK_I2C1:
965 case SCLK_I2C2:
966 case SCLK_I2C3:
967 case SCLK_I2C5:
968 case SCLK_I2C6:
969 case SCLK_I2C7:
970 rate = rk3399_i2c_get_clk(priv->cru, clk->id);
971 break;
Philipp Tomsich8fa69792017-04-20 22:05:49 +0200972 case SCLK_SPI0...SCLK_SPI5:
973 rate = rk3399_spi_get_clk(priv->cru, clk->id);
974 break;
975 case SCLK_UART0:
Christoph Muellner24615432019-05-07 10:58:44 +0200976 case SCLK_UART1:
Philipp Tomsich8fa69792017-04-20 22:05:49 +0200977 case SCLK_UART2:
Christoph Muellner24615432019-05-07 10:58:44 +0200978 case SCLK_UART3:
Philipp Tomsich8fa69792017-04-20 22:05:49 +0200979 return 24000000;
Philipp Tomsichffc1fac2017-04-28 18:33:57 +0200980 case PCLK_HDMI_CTRL:
981 break;
Kever Yangb0b3c862016-07-29 10:35:25 +0800982 case DCLK_VOP0:
983 case DCLK_VOP1:
984 break;
Philipp Tomsicha70feb42017-04-28 17:11:55 +0200985 case PCLK_EFUSE1024NS:
986 break;
David Wu364fc732017-09-20 14:38:58 +0800987 case SCLK_SARADC:
988 rate = rk3399_saradc_get_clk(priv->cru);
989 break;
Jonas Karlmane801d052024-05-01 16:22:20 +0000990 case SCLK_PCIEPHY_REF:
991 rate = rk3399_pciephy_get_clk(priv->cru);
992 break;
Simon Glass5328af12019-01-21 14:53:30 -0700993 case ACLK_VIO:
994 case ACLK_HDCP:
995 case ACLK_GIC_PRE:
996 case PCLK_DDR:
Jonas Karlman24463b12024-05-01 16:22:19 +0000997 case ACLK_VDU:
Simon Glass5328af12019-01-21 14:53:30 -0700998 break;
Jack Mitchellda0be4e2020-09-17 10:42:06 +0100999 case PCLK_ALIVE:
1000 case PCLK_WDT:
1001 rate = rk3399_alive_get_clk(priv->cru);
1002 break;
Kever Yangb0b3c862016-07-29 10:35:25 +08001003 default:
Simon Glass5328af12019-01-21 14:53:30 -07001004 log_debug("Unknown clock %lu\n", clk->id);
Kever Yangb0b3c862016-07-29 10:35:25 +08001005 return -ENOENT;
1006 }
1007
1008 return rate;
1009}
1010
1011static ulong rk3399_clk_set_rate(struct clk *clk, ulong rate)
1012{
1013 struct rk3399_clk_priv *priv = dev_get_priv(clk->dev);
1014 ulong ret = 0;
1015
1016 switch (clk->id) {
1017 case 0 ... 63:
1018 return 0;
Philipp Tomsichd2f1f1a2018-01-08 14:00:27 +01001019
1020 case ACLK_PERIHP:
1021 case HCLK_PERIHP:
1022 case PCLK_PERIHP:
1023 return 0;
1024
1025 case ACLK_PERILP0:
1026 case HCLK_PERILP0:
1027 case PCLK_PERILP0:
1028 return 0;
1029
1030 case ACLK_CCI:
1031 return 0;
1032
1033 case HCLK_PERILP1:
1034 case PCLK_PERILP1:
1035 return 0;
1036
Michal Suchanekf103c112022-08-21 09:17:24 +02001037 case HCLK_SDIO:
1038 case SCLK_SDIO:
Philipp Tomsich998c61a2017-04-25 09:52:06 +02001039 case HCLK_SDMMC:
Kever Yangb0b3c862016-07-29 10:35:25 +08001040 case SCLK_SDMMC:
1041 case SCLK_EMMC:
1042 ret = rk3399_mmc_set_clk(priv->cru, clk->id, rate);
1043 break;
Philipp Tomsich65d83302017-03-24 19:24:25 +01001044 case SCLK_MAC:
Philipp Tomsicha45f17e2018-01-08 13:11:01 +01001045 ret = rk3399_gmac_set_clk(priv->cru, rate);
Philipp Tomsich65d83302017-03-24 19:24:25 +01001046 break;
Kever Yangb0b3c862016-07-29 10:35:25 +08001047 case SCLK_I2C1:
1048 case SCLK_I2C2:
1049 case SCLK_I2C3:
1050 case SCLK_I2C5:
1051 case SCLK_I2C6:
1052 case SCLK_I2C7:
1053 ret = rk3399_i2c_set_clk(priv->cru, clk->id, rate);
1054 break;
Philipp Tomsich8fa69792017-04-20 22:05:49 +02001055 case SCLK_SPI0...SCLK_SPI5:
1056 ret = rk3399_spi_set_clk(priv->cru, clk->id, rate);
1057 break;
Philipp Tomsichffc1fac2017-04-28 18:33:57 +02001058 case PCLK_HDMI_CTRL:
1059 case PCLK_VIO_GRF:
1060 /* the PCLK gates for video are enabled by default */
1061 break;
Kever Yangb0b3c862016-07-29 10:35:25 +08001062 case DCLK_VOP0:
1063 case DCLK_VOP1:
Kever Yang5e79f442016-08-12 17:47:15 +08001064 ret = rk3399_vop_set_clk(priv->cru, clk->id, rate);
Kever Yangb0b3c862016-07-29 10:35:25 +08001065 break;
Jagan Tekib1bcd612020-04-02 17:11:21 +05301066 case ACLK_VOP1:
1067 case HCLK_VOP1:
Jagan Teki96993d72020-04-28 15:30:16 +05301068 case HCLK_SD:
Jagan Teki80e19112020-05-26 11:32:06 +08001069 case SCLK_UPHY0_TCPDCORE:
1070 case SCLK_UPHY1_TCPDCORE:
Jagan Tekib1bcd612020-04-02 17:11:21 +05301071 /**
1072 * assigned-clocks handling won't require for vopl, so
1073 * return 0 to satisfy clk_set_defaults during device probe.
1074 */
1075 return 0;
Jonas Karlmanfc4572a2024-05-01 16:22:18 +00001076 case SCLK_DDRC:
Kever Yang5ae2fd92017-02-13 17:38:56 +08001077 ret = rk3399_ddr_set_clk(priv->cru, rate);
1078 break;
Philipp Tomsicha70feb42017-04-28 17:11:55 +02001079 case PCLK_EFUSE1024NS:
1080 break;
David Wu364fc732017-09-20 14:38:58 +08001081 case SCLK_SARADC:
1082 ret = rk3399_saradc_set_clk(priv->cru, rate);
1083 break;
Jonas Karlmane801d052024-05-01 16:22:20 +00001084 case SCLK_PCIEPHY_REF:
1085 ret = rk3399_pciephy_set_clk(priv->cru, rate);
1086 break;
Simon Glass5328af12019-01-21 14:53:30 -07001087 case ACLK_VIO:
1088 case ACLK_HDCP:
1089 case ACLK_GIC_PRE:
1090 case PCLK_DDR:
Jonas Karlman24463b12024-05-01 16:22:19 +00001091 case ACLK_VDU:
Simon Glass5328af12019-01-21 14:53:30 -07001092 return 0;
Kever Yangb0b3c862016-07-29 10:35:25 +08001093 default:
Simon Glass5328af12019-01-21 14:53:30 -07001094 log_debug("Unknown clock %lu\n", clk->id);
Kever Yangb0b3c862016-07-29 10:35:25 +08001095 return -ENOENT;
1096 }
1097
1098 return ret;
1099}
1100
Jagan Tekidd7dfa22019-07-15 23:51:10 +05301101static int __maybe_unused rk3399_gmac_set_parent(struct clk *clk,
1102 struct clk *parent)
Philipp Tomsicha45f17e2018-01-08 13:11:01 +01001103{
1104 struct rk3399_clk_priv *priv = dev_get_priv(clk->dev);
1105 const char *clock_output_name;
1106 int ret;
1107
1108 /*
1109 * If the requested parent is in the same clock-controller and
1110 * the id is SCLK_MAC ("clk_gmac"), switch to the internal clock.
1111 */
Jagan Tekidd7dfa22019-07-15 23:51:10 +05301112 if (parent->dev == clk->dev && parent->id == SCLK_MAC) {
Philipp Tomsicha45f17e2018-01-08 13:11:01 +01001113 debug("%s: switching RGMII to SCLK_MAC\n", __func__);
1114 rk_clrreg(&priv->cru->clksel_con[19], BIT(4));
1115 return 0;
1116 }
1117
1118 /*
1119 * Otherwise, we need to check the clock-output-names of the
1120 * requested parent to see if the requested id is "clkin_gmac".
1121 */
1122 ret = dev_read_string_index(parent->dev, "clock-output-names",
1123 parent->id, &clock_output_name);
1124 if (ret < 0)
1125 return -ENODATA;
1126
1127 /* If this is "clkin_gmac", switch to the external clock input */
1128 if (!strcmp(clock_output_name, "clkin_gmac")) {
1129 debug("%s: switching RGMII to CLKIN\n", __func__);
1130 rk_setreg(&priv->cru->clksel_con[19], BIT(4));
1131 return 0;
1132 }
1133
1134 return -EINVAL;
1135}
1136
Jonas Karlmane801d052024-05-01 16:22:20 +00001137static int __maybe_unused rk3399_pciephy_set_parent(struct clk *clk,
1138 struct clk *parent)
1139{
1140 struct rk3399_clk_priv *priv = dev_get_priv(clk->dev);
1141 const char *clock_output_name;
1142 int ret;
1143
1144 if (parent->dev == clk->dev && parent->id == SCLK_PCIEPHY_REF100M) {
1145 rk_setreg(&priv->cru->clksel_con[18], BIT(10));
1146 return 0;
1147 }
1148
1149 ret = dev_read_string_index(parent->dev, "clock-output-names",
1150 parent->id, &clock_output_name);
1151 if (ret < 0)
1152 return -ENODATA;
1153
1154 if (!strcmp(clock_output_name, "xin24m")) {
1155 rk_clrreg(&priv->cru->clksel_con[18], BIT(10));
1156 return 0;
1157 }
1158
1159 return -EINVAL;
1160}
1161
Jagan Tekidd7dfa22019-07-15 23:51:10 +05301162static int __maybe_unused rk3399_clk_set_parent(struct clk *clk,
1163 struct clk *parent)
Philipp Tomsicha45f17e2018-01-08 13:11:01 +01001164{
1165 switch (clk->id) {
1166 case SCLK_RMII_SRC:
1167 return rk3399_gmac_set_parent(clk, parent);
Jonas Karlmane801d052024-05-01 16:22:20 +00001168 case SCLK_PCIEPHY_REF:
1169 return rk3399_pciephy_set_parent(clk, parent);
Philipp Tomsicha45f17e2018-01-08 13:11:01 +01001170 }
1171
1172 debug("%s: unsupported clk %ld\n", __func__, clk->id);
1173 return -ENOENT;
1174}
1175
Jagan Teki30d09a22020-05-09 22:26:19 +05301176static int rk3399_clk_enable(struct clk *clk)
1177{
1178 struct rk3399_clk_priv *priv = dev_get_priv(clk->dev);
1179
1180 switch (clk->id) {
1181 case SCLK_MAC:
1182 rk_clrreg(&priv->cru->clkgate_con[5], BIT(5));
1183 break;
1184 case SCLK_MAC_RX:
1185 rk_clrreg(&priv->cru->clkgate_con[5], BIT(8));
1186 break;
1187 case SCLK_MAC_TX:
1188 rk_clrreg(&priv->cru->clkgate_con[5], BIT(9));
1189 break;
1190 case SCLK_MACREF:
1191 rk_clrreg(&priv->cru->clkgate_con[5], BIT(7));
1192 break;
1193 case SCLK_MACREF_OUT:
1194 rk_clrreg(&priv->cru->clkgate_con[5], BIT(6));
1195 break;
Jagan Tekif7dd12a2020-05-26 11:32:05 +08001196 case SCLK_USB2PHY0_REF:
1197 rk_clrreg(&priv->cru->clkgate_con[6], BIT(5));
1198 break;
1199 case SCLK_USB2PHY1_REF:
1200 rk_clrreg(&priv->cru->clkgate_con[6], BIT(6));
1201 break;
Jagan Teki30d09a22020-05-09 22:26:19 +05301202 case ACLK_GMAC:
1203 rk_clrreg(&priv->cru->clkgate_con[32], BIT(0));
1204 break;
1205 case PCLK_GMAC:
1206 rk_clrreg(&priv->cru->clkgate_con[32], BIT(2));
1207 break;
1208 case SCLK_USB3OTG0_REF:
1209 rk_clrreg(&priv->cru->clkgate_con[12], BIT(1));
1210 break;
1211 case SCLK_USB3OTG1_REF:
1212 rk_clrreg(&priv->cru->clkgate_con[12], BIT(2));
1213 break;
1214 case SCLK_USB3OTG0_SUSPEND:
1215 rk_clrreg(&priv->cru->clkgate_con[12], BIT(3));
1216 break;
1217 case SCLK_USB3OTG1_SUSPEND:
1218 rk_clrreg(&priv->cru->clkgate_con[12], BIT(4));
1219 break;
1220 case ACLK_USB3OTG0:
1221 rk_clrreg(&priv->cru->clkgate_con[30], BIT(1));
1222 break;
1223 case ACLK_USB3OTG1:
1224 rk_clrreg(&priv->cru->clkgate_con[30], BIT(2));
1225 break;
1226 case ACLK_USB3_RKSOC_AXI_PERF:
1227 rk_clrreg(&priv->cru->clkgate_con[30], BIT(3));
1228 break;
1229 case ACLK_USB3:
1230 rk_clrreg(&priv->cru->clkgate_con[12], BIT(0));
1231 break;
1232 case ACLK_USB3_GRF:
1233 rk_clrreg(&priv->cru->clkgate_con[30], BIT(4));
1234 break;
1235 case HCLK_HOST0:
1236 rk_clrreg(&priv->cru->clksel_con[20], BIT(5));
1237 break;
1238 case HCLK_HOST0_ARB:
1239 rk_clrreg(&priv->cru->clksel_con[20], BIT(6));
1240 break;
1241 case HCLK_HOST1:
1242 rk_clrreg(&priv->cru->clksel_con[20], BIT(7));
1243 break;
1244 case HCLK_HOST1_ARB:
1245 rk_clrreg(&priv->cru->clksel_con[20], BIT(8));
1246 break;
Jagan Tekie1b413d2020-05-26 11:32:07 +08001247 case SCLK_UPHY0_TCPDPHY_REF:
1248 rk_clrreg(&priv->cru->clkgate_con[13], BIT(4));
1249 break;
1250 case SCLK_UPHY0_TCPDCORE:
1251 rk_clrreg(&priv->cru->clkgate_con[13], BIT(5));
1252 break;
1253 case SCLK_UPHY1_TCPDPHY_REF:
1254 rk_clrreg(&priv->cru->clkgate_con[13], BIT(6));
1255 break;
1256 case SCLK_UPHY1_TCPDCORE:
1257 rk_clrreg(&priv->cru->clkgate_con[13], BIT(7));
1258 break;
Jagan Teki912f6332020-05-09 22:26:20 +05301259 case SCLK_PCIEPHY_REF:
Jonas Karlmane801d052024-05-01 16:22:20 +00001260 if (readl(&priv->cru->clksel_con[18]) & BIT(10))
1261 rk_clrreg(&priv->cru->clkgate_con[12], BIT(6));
Jagan Teki912f6332020-05-09 22:26:20 +05301262 break;
Jagan Teki30d09a22020-05-09 22:26:19 +05301263 default:
1264 debug("%s: unsupported clk %ld\n", __func__, clk->id);
1265 return -ENOENT;
1266 }
1267
1268 return 0;
1269}
1270
1271static int rk3399_clk_disable(struct clk *clk)
1272{
1273 struct rk3399_clk_priv *priv = dev_get_priv(clk->dev);
1274
1275 switch (clk->id) {
1276 case SCLK_MAC:
1277 rk_setreg(&priv->cru->clkgate_con[5], BIT(5));
1278 break;
1279 case SCLK_MAC_RX:
1280 rk_setreg(&priv->cru->clkgate_con[5], BIT(8));
1281 break;
1282 case SCLK_MAC_TX:
1283 rk_setreg(&priv->cru->clkgate_con[5], BIT(9));
1284 break;
1285 case SCLK_MACREF:
1286 rk_setreg(&priv->cru->clkgate_con[5], BIT(7));
1287 break;
1288 case SCLK_MACREF_OUT:
1289 rk_setreg(&priv->cru->clkgate_con[5], BIT(6));
1290 break;
Jagan Tekif7dd12a2020-05-26 11:32:05 +08001291 case SCLK_USB2PHY0_REF:
1292 rk_setreg(&priv->cru->clkgate_con[6], BIT(5));
1293 break;
1294 case SCLK_USB2PHY1_REF:
1295 rk_setreg(&priv->cru->clkgate_con[6], BIT(6));
1296 break;
Jagan Teki30d09a22020-05-09 22:26:19 +05301297 case ACLK_GMAC:
1298 rk_setreg(&priv->cru->clkgate_con[32], BIT(0));
1299 break;
1300 case PCLK_GMAC:
1301 rk_setreg(&priv->cru->clkgate_con[32], BIT(2));
1302 break;
1303 case SCLK_USB3OTG0_REF:
1304 rk_setreg(&priv->cru->clkgate_con[12], BIT(1));
1305 break;
1306 case SCLK_USB3OTG1_REF:
1307 rk_setreg(&priv->cru->clkgate_con[12], BIT(2));
1308 break;
1309 case SCLK_USB3OTG0_SUSPEND:
1310 rk_setreg(&priv->cru->clkgate_con[12], BIT(3));
1311 break;
1312 case SCLK_USB3OTG1_SUSPEND:
1313 rk_setreg(&priv->cru->clkgate_con[12], BIT(4));
1314 break;
1315 case ACLK_USB3OTG0:
1316 rk_setreg(&priv->cru->clkgate_con[30], BIT(1));
1317 break;
1318 case ACLK_USB3OTG1:
1319 rk_setreg(&priv->cru->clkgate_con[30], BIT(2));
1320 break;
1321 case ACLK_USB3_RKSOC_AXI_PERF:
1322 rk_setreg(&priv->cru->clkgate_con[30], BIT(3));
1323 break;
1324 case ACLK_USB3:
1325 rk_setreg(&priv->cru->clkgate_con[12], BIT(0));
1326 break;
1327 case ACLK_USB3_GRF:
1328 rk_setreg(&priv->cru->clkgate_con[30], BIT(4));
1329 break;
1330 case HCLK_HOST0:
1331 rk_setreg(&priv->cru->clksel_con[20], BIT(5));
1332 break;
1333 case HCLK_HOST0_ARB:
1334 rk_setreg(&priv->cru->clksel_con[20], BIT(6));
1335 break;
1336 case HCLK_HOST1:
1337 rk_setreg(&priv->cru->clksel_con[20], BIT(7));
1338 break;
1339 case HCLK_HOST1_ARB:
1340 rk_setreg(&priv->cru->clksel_con[20], BIT(8));
1341 break;
Jagan Tekie1b413d2020-05-26 11:32:07 +08001342 case SCLK_UPHY0_TCPDPHY_REF:
1343 rk_setreg(&priv->cru->clkgate_con[13], BIT(4));
1344 break;
1345 case SCLK_UPHY0_TCPDCORE:
1346 rk_setreg(&priv->cru->clkgate_con[13], BIT(5));
1347 break;
1348 case SCLK_UPHY1_TCPDPHY_REF:
1349 rk_setreg(&priv->cru->clkgate_con[13], BIT(6));
1350 break;
1351 case SCLK_UPHY1_TCPDCORE:
1352 rk_setreg(&priv->cru->clkgate_con[13], BIT(7));
1353 break;
Jagan Teki912f6332020-05-09 22:26:20 +05301354 case SCLK_PCIEPHY_REF:
Jonas Karlmane801d052024-05-01 16:22:20 +00001355 if (readl(&priv->cru->clksel_con[18]) & BIT(10))
1356 rk_setreg(&priv->cru->clkgate_con[12], BIT(6));
Jagan Teki912f6332020-05-09 22:26:20 +05301357 break;
Jagan Teki30d09a22020-05-09 22:26:19 +05301358 default:
1359 debug("%s: unsupported clk %ld\n", __func__, clk->id);
1360 return -ENOENT;
1361 }
1362
1363 return 0;
1364}
1365
Kever Yangb0b3c862016-07-29 10:35:25 +08001366static struct clk_ops rk3399_clk_ops = {
1367 .get_rate = rk3399_clk_get_rate,
1368 .set_rate = rk3399_clk_set_rate,
Simon Glass414cc152021-08-07 07:24:03 -06001369#if CONFIG_IS_ENABLED(OF_REAL)
Philipp Tomsicha45f17e2018-01-08 13:11:01 +01001370 .set_parent = rk3399_clk_set_parent,
Philipp Tomsich75b381a2018-01-25 15:27:10 +01001371#endif
Jagan Teki30d09a22020-05-09 22:26:19 +05301372 .enable = rk3399_clk_enable,
1373 .disable = rk3399_clk_disable,
Kever Yangb0b3c862016-07-29 10:35:25 +08001374};
1375
Jagan Tekib52a1992020-01-09 14:22:17 +05301376static void rkclk_init(struct rockchip_cru *cru)
Kever Yang9f636a22017-10-12 15:27:29 +08001377{
1378 u32 aclk_div;
1379 u32 hclk_div;
1380 u32 pclk_div;
1381
Christoph Muellneraf765a42018-11-30 20:32:48 +01001382 rk3399_configure_cpu_l(cru, APLL_L_600_MHZ);
1383 rk3399_configure_cpu_b(cru, APLL_B_600_MHZ);
Kever Yang9f636a22017-10-12 15:27:29 +08001384 /*
1385 * some cru registers changed by bootrom, we'd better reset them to
1386 * reset/default values described in TRM to avoid confusion in kernel.
1387 * Please consider these three lines as a fix of bootrom bug.
1388 */
1389 rk_clrsetreg(&cru->clksel_con[12], 0xffff, 0x4101);
1390 rk_clrsetreg(&cru->clksel_con[19], 0xffff, 0x033f);
1391 rk_clrsetreg(&cru->clksel_con[56], 0x0003, 0x0003);
1392
1393 /* configure gpll cpll */
1394 rkclk_set_pll(&cru->gpll_con[0], &gpll_init_cfg);
1395 rkclk_set_pll(&cru->cpll_con[0], &cpll_init_cfg);
1396
1397 /* configure perihp aclk, hclk, pclk */
1398 aclk_div = GPLL_HZ / PERIHP_ACLK_HZ - 1;
1399 assert((aclk_div + 1) * PERIHP_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f);
1400
1401 hclk_div = PERIHP_ACLK_HZ / PERIHP_HCLK_HZ - 1;
1402 assert((hclk_div + 1) * PERIHP_HCLK_HZ ==
1403 PERIHP_ACLK_HZ && (hclk_div < 0x4));
1404
1405 pclk_div = PERIHP_ACLK_HZ / PERIHP_PCLK_HZ - 1;
1406 assert((pclk_div + 1) * PERIHP_PCLK_HZ ==
1407 PERIHP_ACLK_HZ && (pclk_div < 0x7));
1408
1409 rk_clrsetreg(&cru->clksel_con[14],
1410 PCLK_PERIHP_DIV_CON_MASK | HCLK_PERIHP_DIV_CON_MASK |
1411 ACLK_PERIHP_PLL_SEL_MASK | ACLK_PERIHP_DIV_CON_MASK,
1412 pclk_div << PCLK_PERIHP_DIV_CON_SHIFT |
1413 hclk_div << HCLK_PERIHP_DIV_CON_SHIFT |
1414 ACLK_PERIHP_PLL_SEL_GPLL << ACLK_PERIHP_PLL_SEL_SHIFT |
1415 aclk_div << ACLK_PERIHP_DIV_CON_SHIFT);
1416
1417 /* configure perilp0 aclk, hclk, pclk */
1418 aclk_div = GPLL_HZ / PERILP0_ACLK_HZ - 1;
1419 assert((aclk_div + 1) * PERILP0_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f);
1420
1421 hclk_div = PERILP0_ACLK_HZ / PERILP0_HCLK_HZ - 1;
1422 assert((hclk_div + 1) * PERILP0_HCLK_HZ ==
1423 PERILP0_ACLK_HZ && (hclk_div < 0x4));
1424
1425 pclk_div = PERILP0_ACLK_HZ / PERILP0_PCLK_HZ - 1;
1426 assert((pclk_div + 1) * PERILP0_PCLK_HZ ==
1427 PERILP0_ACLK_HZ && (pclk_div < 0x7));
1428
1429 rk_clrsetreg(&cru->clksel_con[23],
1430 PCLK_PERILP0_DIV_CON_MASK | HCLK_PERILP0_DIV_CON_MASK |
1431 ACLK_PERILP0_PLL_SEL_MASK | ACLK_PERILP0_DIV_CON_MASK,
1432 pclk_div << PCLK_PERILP0_DIV_CON_SHIFT |
1433 hclk_div << HCLK_PERILP0_DIV_CON_SHIFT |
1434 ACLK_PERILP0_PLL_SEL_GPLL << ACLK_PERILP0_PLL_SEL_SHIFT |
1435 aclk_div << ACLK_PERILP0_DIV_CON_SHIFT);
1436
1437 /* perilp1 hclk select gpll as source */
1438 hclk_div = GPLL_HZ / PERILP1_HCLK_HZ - 1;
1439 assert((hclk_div + 1) * PERILP1_HCLK_HZ ==
1440 GPLL_HZ && (hclk_div < 0x1f));
1441
1442 pclk_div = PERILP1_HCLK_HZ / PERILP1_HCLK_HZ - 1;
1443 assert((pclk_div + 1) * PERILP1_HCLK_HZ ==
1444 PERILP1_HCLK_HZ && (hclk_div < 0x7));
1445
1446 rk_clrsetreg(&cru->clksel_con[25],
1447 PCLK_PERILP1_DIV_CON_MASK | HCLK_PERILP1_DIV_CON_MASK |
1448 HCLK_PERILP1_PLL_SEL_MASK,
1449 pclk_div << PCLK_PERILP1_DIV_CON_SHIFT |
1450 hclk_div << HCLK_PERILP1_DIV_CON_SHIFT |
1451 HCLK_PERILP1_PLL_SEL_GPLL << HCLK_PERILP1_PLL_SEL_SHIFT);
1452}
Kever Yang9f636a22017-10-12 15:27:29 +08001453
Kever Yangb0b3c862016-07-29 10:35:25 +08001454static int rk3399_clk_probe(struct udevice *dev)
1455{
1456 struct rk3399_clk_priv *priv = dev_get_priv(dev);
Alper Nebi Yasakeb890252020-10-28 00:15:10 +03001457 bool init_clocks = false;
Kever Yangb0b3c862016-07-29 10:35:25 +08001458
Kever Yang5ae2fd92017-02-13 17:38:56 +08001459#if CONFIG_IS_ENABLED(OF_PLATDATA)
Simon Glassc69cda22020-12-03 16:55:20 -07001460 struct rk3399_clk_plat *plat = dev_get_plat(dev);
Kever Yangb0b3c862016-07-29 10:35:25 +08001461
Simon Glassc20ee0e2017-08-29 14:15:50 -06001462 priv->cru = map_sysmem(plat->dtd.reg[0], plat->dtd.reg[1]);
Kever Yang5ae2fd92017-02-13 17:38:56 +08001463#endif
Alper Nebi Yasakeb890252020-10-28 00:15:10 +03001464
1465#if defined(CONFIG_SPL_BUILD)
1466 init_clocks = true;
1467#elif CONFIG_IS_ENABLED(HANDOFF)
1468 if (!(gd->flags & GD_FLG_RELOC)) {
1469 if (!(gd->spl_handoff))
1470 init_clocks = true;
1471 }
Kever Yang5ae2fd92017-02-13 17:38:56 +08001472#endif
Alper Nebi Yasakeb890252020-10-28 00:15:10 +03001473
1474 if (init_clocks)
1475 rkclk_init(priv->cru);
1476
Kever Yangb0b3c862016-07-29 10:35:25 +08001477 return 0;
1478}
1479
Simon Glassd1998a92020-12-03 16:55:21 -07001480static int rk3399_clk_of_to_plat(struct udevice *dev)
Kever Yangb0b3c862016-07-29 10:35:25 +08001481{
Simon Glassdcfc42b2021-08-07 07:24:06 -06001482 if (CONFIG_IS_ENABLED(OF_REAL)) {
1483 struct rk3399_clk_priv *priv = dev_get_priv(dev);
Kever Yangb0b3c862016-07-29 10:35:25 +08001484
Simon Glassdcfc42b2021-08-07 07:24:06 -06001485 priv->cru = dev_read_addr_ptr(dev);
1486 }
1487
Kever Yangb0b3c862016-07-29 10:35:25 +08001488 return 0;
1489}
1490
1491static int rk3399_clk_bind(struct udevice *dev)
1492{
1493 int ret;
Kever Yangf24e36d2017-11-03 15:16:13 +08001494 struct udevice *sys_child;
1495 struct sysreset_reg *priv;
Kever Yangb0b3c862016-07-29 10:35:25 +08001496
1497 /* The reset driver does not have a device node, so bind it here */
Kever Yangf24e36d2017-11-03 15:16:13 +08001498 ret = device_bind_driver(dev, "rockchip_sysreset", "sysreset",
1499 &sys_child);
1500 if (ret) {
1501 debug("Warning: No sysreset driver: ret=%d\n", ret);
1502 } else {
1503 priv = malloc(sizeof(struct sysreset_reg));
Jagan Tekib52a1992020-01-09 14:22:17 +05301504 priv->glb_srst_fst_value = offsetof(struct rockchip_cru,
Kever Yangf24e36d2017-11-03 15:16:13 +08001505 glb_srst_fst_value);
Jagan Tekib52a1992020-01-09 14:22:17 +05301506 priv->glb_srst_snd_value = offsetof(struct rockchip_cru,
Kever Yangf24e36d2017-11-03 15:16:13 +08001507 glb_srst_snd_value);
Simon Glass0fd3d912020-12-22 19:30:28 -07001508 dev_set_priv(sys_child, priv);
Kever Yangf24e36d2017-11-03 15:16:13 +08001509 }
Kever Yangb0b3c862016-07-29 10:35:25 +08001510
Heiko Stuebnera5ada252019-11-09 00:06:30 +01001511#if CONFIG_IS_ENABLED(RESET_ROCKCHIP)
Jagan Tekib52a1992020-01-09 14:22:17 +05301512 ret = offsetof(struct rockchip_cru, softrst_con[0]);
Elaine Zhang538f67c2017-12-19 18:22:38 +08001513 ret = rockchip_reset_bind(dev, ret, 21);
1514 if (ret)
Eugen Hristev30850b62023-04-11 10:17:56 +03001515 debug("Warning: software reset driver bind failed\n");
Elaine Zhang538f67c2017-12-19 18:22:38 +08001516#endif
1517
Kever Yangb0b3c862016-07-29 10:35:25 +08001518 return 0;
1519}
1520
1521static const struct udevice_id rk3399_clk_ids[] = {
1522 { .compatible = "rockchip,rk3399-cru" },
1523 { }
1524};
1525
1526U_BOOT_DRIVER(clk_rk3399) = {
Kever Yang5ae2fd92017-02-13 17:38:56 +08001527 .name = "rockchip_rk3399_cru",
Kever Yangb0b3c862016-07-29 10:35:25 +08001528 .id = UCLASS_CLK,
1529 .of_match = rk3399_clk_ids,
Simon Glass41575d82020-12-03 16:55:17 -07001530 .priv_auto = sizeof(struct rk3399_clk_priv),
Simon Glassd1998a92020-12-03 16:55:21 -07001531 .of_to_plat = rk3399_clk_of_to_plat,
Kever Yangb0b3c862016-07-29 10:35:25 +08001532 .ops = &rk3399_clk_ops,
1533 .bind = rk3399_clk_bind,
1534 .probe = rk3399_clk_probe,
Kever Yang5ae2fd92017-02-13 17:38:56 +08001535#if CONFIG_IS_ENABLED(OF_PLATDATA)
Simon Glasscaa4daa2020-12-03 16:55:18 -07001536 .plat_auto = sizeof(struct rk3399_clk_plat),
Kever Yang5ae2fd92017-02-13 17:38:56 +08001537#endif
Kever Yangb0b3c862016-07-29 10:35:25 +08001538};
Kever Yang5e79f442016-08-12 17:47:15 +08001539
1540static ulong rk3399_i2c_get_pmuclk(struct rk3399_pmucru *pmucru, ulong clk_id)
1541{
1542 u32 div, con;
1543
1544 switch (clk_id) {
1545 case SCLK_I2C0_PMU:
1546 con = readl(&pmucru->pmucru_clksel[2]);
1547 div = I2C_CLK_DIV_VALUE(con, 0);
1548 break;
1549 case SCLK_I2C4_PMU:
1550 con = readl(&pmucru->pmucru_clksel[3]);
1551 div = I2C_CLK_DIV_VALUE(con, 4);
1552 break;
1553 case SCLK_I2C8_PMU:
1554 con = readl(&pmucru->pmucru_clksel[2]);
1555 div = I2C_CLK_DIV_VALUE(con, 8);
1556 break;
1557 default:
1558 printf("do not support this i2c bus\n");
1559 return -EINVAL;
1560 }
1561
1562 return DIV_TO_RATE(PPLL_HZ, div);
1563}
1564
1565static ulong rk3399_i2c_set_pmuclk(struct rk3399_pmucru *pmucru, ulong clk_id,
1566 uint hz)
1567{
1568 int src_clk_div;
1569
1570 src_clk_div = PPLL_HZ / hz;
1571 assert(src_clk_div - 1 < 127);
1572
1573 switch (clk_id) {
1574 case SCLK_I2C0_PMU:
1575 rk_clrsetreg(&pmucru->pmucru_clksel[2], I2C_PMUCLK_REG_MASK(0),
1576 I2C_PMUCLK_REG_VALUE(0, src_clk_div));
1577 break;
1578 case SCLK_I2C4_PMU:
1579 rk_clrsetreg(&pmucru->pmucru_clksel[3], I2C_PMUCLK_REG_MASK(4),
1580 I2C_PMUCLK_REG_VALUE(4, src_clk_div));
1581 break;
1582 case SCLK_I2C8_PMU:
1583 rk_clrsetreg(&pmucru->pmucru_clksel[2], I2C_PMUCLK_REG_MASK(8),
1584 I2C_PMUCLK_REG_VALUE(8, src_clk_div));
1585 break;
1586 default:
1587 printf("do not support this i2c bus\n");
1588 return -EINVAL;
1589 }
1590
1591 return DIV_TO_RATE(PPLL_HZ, src_clk_div);
1592}
1593
1594static ulong rk3399_pwm_get_clk(struct rk3399_pmucru *pmucru)
1595{
1596 u32 div, con;
1597
1598 /* PWM closk rate is same as pclk_pmu */
1599 con = readl(&pmucru->pmucru_clksel[0]);
1600 div = con & PMU_PCLK_DIV_CON_MASK;
1601
1602 return DIV_TO_RATE(PPLL_HZ, div);
1603}
1604
1605static ulong rk3399_pmuclk_get_rate(struct clk *clk)
1606{
1607 struct rk3399_pmuclk_priv *priv = dev_get_priv(clk->dev);
1608 ulong rate = 0;
1609
1610 switch (clk->id) {
Philipp Tomsich434d5a02018-02-23 17:36:41 +01001611 case PLL_PPLL:
1612 return PPLL_HZ;
Kever Yang5e79f442016-08-12 17:47:15 +08001613 case PCLK_RKPWM_PMU:
Jack Mitchellda0be4e2020-09-17 10:42:06 +01001614 case PCLK_WDT_M0_PMU:
Kever Yang5e79f442016-08-12 17:47:15 +08001615 rate = rk3399_pwm_get_clk(priv->pmucru);
1616 break;
1617 case SCLK_I2C0_PMU:
1618 case SCLK_I2C4_PMU:
1619 case SCLK_I2C8_PMU:
1620 rate = rk3399_i2c_get_pmuclk(priv->pmucru, clk->id);
1621 break;
1622 default:
1623 return -ENOENT;
1624 }
1625
1626 return rate;
1627}
1628
1629static ulong rk3399_pmuclk_set_rate(struct clk *clk, ulong rate)
1630{
1631 struct rk3399_pmuclk_priv *priv = dev_get_priv(clk->dev);
1632 ulong ret = 0;
1633
1634 switch (clk->id) {
Philipp Tomsich434d5a02018-02-23 17:36:41 +01001635 case PLL_PPLL:
1636 /*
1637 * This has already been set up and we don't want/need
1638 * to change it here. Accept the request though, as the
1639 * device-tree has this in an 'assigned-clocks' list.
1640 */
1641 return PPLL_HZ;
Kever Yang5e79f442016-08-12 17:47:15 +08001642 case SCLK_I2C0_PMU:
1643 case SCLK_I2C4_PMU:
1644 case SCLK_I2C8_PMU:
1645 ret = rk3399_i2c_set_pmuclk(priv->pmucru, clk->id, rate);
1646 break;
1647 default:
1648 return -ENOENT;
1649 }
1650
1651 return ret;
1652}
1653
1654static struct clk_ops rk3399_pmuclk_ops = {
1655 .get_rate = rk3399_pmuclk_get_rate,
1656 .set_rate = rk3399_pmuclk_set_rate,
1657};
1658
Kever Yang5ae2fd92017-02-13 17:38:56 +08001659#ifndef CONFIG_SPL_BUILD
Kever Yang5e79f442016-08-12 17:47:15 +08001660static void pmuclk_init(struct rk3399_pmucru *pmucru)
1661{
1662 u32 pclk_div;
1663
1664 /* configure pmu pll(ppll) */
1665 rkclk_set_pll(&pmucru->ppll_con[0], &ppll_init_cfg);
1666
1667 /* configure pmu pclk */
1668 pclk_div = PPLL_HZ / PMU_PCLK_HZ - 1;
Kever Yang5e79f442016-08-12 17:47:15 +08001669 rk_clrsetreg(&pmucru->pmucru_clksel[0],
1670 PMU_PCLK_DIV_CON_MASK,
1671 pclk_div << PMU_PCLK_DIV_CON_SHIFT);
1672}
Kever Yang5ae2fd92017-02-13 17:38:56 +08001673#endif
Kever Yang5e79f442016-08-12 17:47:15 +08001674
1675static int rk3399_pmuclk_probe(struct udevice *dev)
1676{
Philipp Tomsich61dff332017-03-24 19:24:24 +01001677#if CONFIG_IS_ENABLED(OF_PLATDATA) || !defined(CONFIG_SPL_BUILD)
Kever Yang5e79f442016-08-12 17:47:15 +08001678 struct rk3399_pmuclk_priv *priv = dev_get_priv(dev);
Philipp Tomsich61dff332017-03-24 19:24:24 +01001679#endif
Kever Yang5e79f442016-08-12 17:47:15 +08001680
Kever Yang5ae2fd92017-02-13 17:38:56 +08001681#if CONFIG_IS_ENABLED(OF_PLATDATA)
Simon Glassc69cda22020-12-03 16:55:20 -07001682 struct rk3399_pmuclk_plat *plat = dev_get_plat(dev);
Kever Yang5e79f442016-08-12 17:47:15 +08001683
Simon Glassc20ee0e2017-08-29 14:15:50 -06001684 priv->pmucru = map_sysmem(plat->dtd.reg[0], plat->dtd.reg[1]);
Kever Yang5ae2fd92017-02-13 17:38:56 +08001685#endif
1686
1687#ifndef CONFIG_SPL_BUILD
1688 pmuclk_init(priv->pmucru);
1689#endif
Kever Yang5e79f442016-08-12 17:47:15 +08001690 return 0;
1691}
1692
Simon Glassd1998a92020-12-03 16:55:21 -07001693static int rk3399_pmuclk_of_to_plat(struct udevice *dev)
Kever Yang5e79f442016-08-12 17:47:15 +08001694{
Simon Glassdcfc42b2021-08-07 07:24:06 -06001695 if (CONFIG_IS_ENABLED(OF_REAL)) {
1696 struct rk3399_pmuclk_priv *priv = dev_get_priv(dev);
Kever Yang5e79f442016-08-12 17:47:15 +08001697
Simon Glassdcfc42b2021-08-07 07:24:06 -06001698 priv->pmucru = dev_read_addr_ptr(dev);
1699 }
1700
Kever Yang5e79f442016-08-12 17:47:15 +08001701 return 0;
1702}
1703
Elaine Zhang538f67c2017-12-19 18:22:38 +08001704static int rk3399_pmuclk_bind(struct udevice *dev)
1705{
Alper Nebi Yasak957a3e52020-10-05 09:57:29 +03001706#if CONFIG_IS_ENABLED(RESET_ROCKCHIP)
Elaine Zhang538f67c2017-12-19 18:22:38 +08001707 int ret;
1708
1709 ret = offsetof(struct rk3399_pmucru, pmucru_softrst_con[0]);
1710 ret = rockchip_reset_bind(dev, ret, 2);
1711 if (ret)
Eugen Hristev30850b62023-04-11 10:17:56 +03001712 debug("Warning: software reset driver bind failed\n");
Elaine Zhang538f67c2017-12-19 18:22:38 +08001713#endif
1714 return 0;
1715}
1716
Kever Yang5e79f442016-08-12 17:47:15 +08001717static const struct udevice_id rk3399_pmuclk_ids[] = {
1718 { .compatible = "rockchip,rk3399-pmucru" },
1719 { }
1720};
1721
Simon Glassc8a6bc92016-10-01 20:04:51 -06001722U_BOOT_DRIVER(rockchip_rk3399_pmuclk) = {
Kever Yang5ae2fd92017-02-13 17:38:56 +08001723 .name = "rockchip_rk3399_pmucru",
Kever Yang5e79f442016-08-12 17:47:15 +08001724 .id = UCLASS_CLK,
1725 .of_match = rk3399_pmuclk_ids,
Simon Glass41575d82020-12-03 16:55:17 -07001726 .priv_auto = sizeof(struct rk3399_pmuclk_priv),
Simon Glassd1998a92020-12-03 16:55:21 -07001727 .of_to_plat = rk3399_pmuclk_of_to_plat,
Kever Yang5e79f442016-08-12 17:47:15 +08001728 .ops = &rk3399_pmuclk_ops,
1729 .probe = rk3399_pmuclk_probe,
Elaine Zhang538f67c2017-12-19 18:22:38 +08001730 .bind = rk3399_pmuclk_bind,
Kever Yang5ae2fd92017-02-13 17:38:56 +08001731#if CONFIG_IS_ENABLED(OF_PLATDATA)
Simon Glasscaa4daa2020-12-03 16:55:18 -07001732 .plat_auto = sizeof(struct rk3399_pmuclk_plat),
Kever Yang5ae2fd92017-02-13 17:38:56 +08001733#endif
Kever Yang5e79f442016-08-12 17:47:15 +08001734};