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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0 |
b0b3c865 KY |
2 | /* |
3 | * (C) Copyright 2015 Google, Inc | |
8fa6979b | 4 | * (C) 2017 Theobroma Systems Design und Consulting GmbH |
b0b3c865 KY |
5 | */ |
6 | ||
b0b3c865 KY |
7 | #include <clk-uclass.h> |
8 | #include <dm.h> | |
5ae2fd97 | 9 | #include <dt-structs.h> |
b0b3c865 | 10 | #include <errno.h> |
2e931317 | 11 | #include <handoff.h> |
f7ae49fc | 12 | #include <log.h> |
336d4615 | 13 | #include <malloc.h> |
5ae2fd97 | 14 | #include <mapmem.h> |
b0b3c865 | 15 | #include <syscon.h> |
364fc731 | 16 | #include <bitfield.h> |
15f09a1a | 17 | #include <asm/arch-rockchip/clock.h> |
b52a199e | 18 | #include <asm/arch-rockchip/cru.h> |
15f09a1a | 19 | #include <asm/arch-rockchip/hardware.h> |
401d1c4f | 20 | #include <asm/global_data.h> |
0fd3d911 | 21 | #include <dm/device-internal.h> |
b0b3c865 KY |
22 | #include <dm/lists.h> |
23 | #include <dt-bindings/clock/rk3399-cru.h> | |
cd93d625 | 24 | #include <linux/bitops.h> |
c05ed00a | 25 | #include <linux/delay.h> |
1e94b46f | 26 | #include <linux/printk.h> |
b0b3c865 | 27 | |
eb890250 ANY |
28 | DECLARE_GLOBAL_DATA_PTR; |
29 | ||
5ae2fd97 KY |
30 | #if CONFIG_IS_ENABLED(OF_PLATDATA) |
31 | struct rk3399_clk_plat { | |
32 | struct dtd_rockchip_rk3399_cru dtd; | |
5e79f443 KY |
33 | }; |
34 | ||
5ae2fd97 KY |
35 | struct rk3399_pmuclk_plat { |
36 | struct dtd_rockchip_rk3399_pmucru dtd; | |
37 | }; | |
38 | #endif | |
39 | ||
b0b3c865 KY |
40 | struct 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) \ | |
dd7dfa21 JT |
49 | ((input_rate) / (output_rate) - 1) |
50 | #define DIV_TO_RATE(input_rate, div) ((input_rate) / ((div) + 1)) | |
b0b3c865 KY |
51 | |
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 | ||
57 | static const struct pll_div gpll_init_cfg = PLL_DIVISORS(GPLL_HZ, 2, 2, 1); | |
58 | static const struct pll_div cpll_init_cfg = PLL_DIVISORS(CPLL_HZ, 1, 2, 2); | |
371dc068 | 59 | #if !defined(CONFIG_XPL_BUILD) |
b0b3c865 | 60 | static const struct pll_div ppll_init_cfg = PLL_DIVISORS(PPLL_HZ, 2, 2, 1); |
61dff33b | 61 | #endif |
b0b3c865 | 62 | |
dd7dfa21 JT |
63 | static const struct pll_div apll_l_1600_cfg = PLL_DIVISORS(1600 * MHz, 3, 1, 1); |
64 | static const struct pll_div apll_l_600_cfg = PLL_DIVISORS(600 * MHz, 1, 2, 1); | |
b0b3c865 KY |
65 | |
66 | static 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 | ||
dd7dfa21 | 71 | static const struct pll_div apll_b_600_cfg = PLL_DIVISORS(600 * MHz, 1, 2, 1); |
af765a49 CM |
72 | static const struct pll_div *apll_b_cfgs[] = { |
73 | [APLL_B_600_MHZ] = &apll_b_600_cfg, | |
74 | }; | |
75 | ||
b0b3c865 KY |
76 | enum { |
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, | |
5e79f443 KY |
119 | CLK_I2C8_DIV_CON_SHIFT = 8, |
120 | CLK_I2C0_DIV_CON_SHIFT = 0, | |
b0b3c865 KY |
121 | |
122 | /* PMUCRU_CLKSEL_CON3 */ | |
5e79f443 | 123 | CLK_I2C4_DIV_CON_SHIFT = 0, |
b0b3c865 KY |
124 | |
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 | ||
af765a49 CM |
143 | /* 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 | ||
b0b3c865 KY |
161 | /* 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, | |
fd4b2dc0 | 184 | CLK_EMMC_PLL_SEL_24M = 0x5, |
b0b3c865 KY |
185 | 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, | |
364fc731 DW |
212 | CLK_SARADC_DIV_CON_MASK = GENMASK(15, 8), |
213 | CLK_SARADC_DIV_CON_WIDTH = 8, | |
b0b3c865 KY |
214 | |
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 | ||
da0be4e1 JM |
239 | /* CLKSEL_CON57 */ |
240 | PCLK_ALIVE_DIV_CON_SHIFT = 0, | |
241 | PCLK_ALIVE_DIV_CON_MASK = 0x1f << PCLK_ALIVE_DIV_CON_SHIFT, | |
242 | ||
b0b3c865 | 243 | /* CLKSEL_CON58 */ |
8fa6979b PT |
244 | 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, | |
b0b3c865 KY |
253 | |
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 | */ | |
325 | static 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 | ||
368 | static 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; | |
dd7dfa21 | 407 | if (fbdiv >= max_fbdiv || fbdiv <= min_fbdiv) |
b0b3c865 KY |
408 | 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 | ||
dd7dfa21 | 423 | if (best_diff_khz > 4 * (MHz / KHz)) { |
b0b3c865 KY |
424 | 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 | ||
b52a199e | 432 | void rk3399_configure_cpu_l(struct rockchip_cru *cru, |
af765a49 | 433 | enum apll_l_frequencies apll_l_freq) |
b0b3c865 KY |
434 | { |
435 | u32 aclkm_div; | |
436 | u32 pclk_dbg_div; | |
437 | u32 atclk_div; | |
438 | ||
af765a49 | 439 | /* Setup cluster L */ |
b0b3c865 KY |
440 | rkclk_set_pll(&cru->apll_l_con[0], apll_l_cfgs[apll_l_freq]); |
441 | ||
af765a49 CM |
442 | aclkm_div = LPLL_HZ / ACLKM_CORE_L_HZ - 1; |
443 | assert((aclkm_div + 1) * ACLKM_CORE_L_HZ == LPLL_HZ && | |
b0b3c865 KY |
444 | aclkm_div < 0x1f); |
445 | ||
af765a49 CM |
446 | pclk_dbg_div = LPLL_HZ / PCLK_DBG_L_HZ - 1; |
447 | assert((pclk_dbg_div + 1) * PCLK_DBG_L_HZ == LPLL_HZ && | |
b0b3c865 KY |
448 | pclk_dbg_div < 0x1f); |
449 | ||
af765a49 CM |
450 | atclk_div = LPLL_HZ / ATCLK_CORE_L_HZ - 1; |
451 | assert((atclk_div + 1) * ATCLK_CORE_L_HZ == LPLL_HZ && | |
b0b3c865 KY |
452 | 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 | } | |
af765a49 | 466 | |
b52a199e | 467 | void rk3399_configure_cpu_b(struct rockchip_cru *cru, |
af765a49 CM |
468 | 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 | ||
b0b3c865 | 502 | #define I2C_CLK_REG_MASK(bus) \ |
dd7dfa21 JT |
503 | (I2C_DIV_CON_MASK << CLK_I2C ##bus## _DIV_CON_SHIFT | \ |
504 | CLK_I2C_PLL_SEL_MASK << CLK_I2C ##bus## _PLL_SEL_SHIFT) | |
b0b3c865 KY |
505 | |
506 | #define I2C_CLK_REG_VALUE(bus, clk_div) \ | |
dd7dfa21 JT |
507 | ((clk_div - 1) << CLK_I2C ##bus## _DIV_CON_SHIFT | \ |
508 | CLK_I2C_PLL_SEL_GPLL << CLK_I2C ##bus## _PLL_SEL_SHIFT) | |
b0b3c865 KY |
509 | |
510 | #define I2C_CLK_DIV_VALUE(con, bus) \ | |
dd7dfa21 | 511 | ((con >> CLK_I2C ##bus## _DIV_CON_SHIFT) & I2C_DIV_CON_MASK) |
b0b3c865 | 512 | |
5e79f443 | 513 | #define I2C_PMUCLK_REG_MASK(bus) \ |
dd7dfa21 | 514 | (I2C_DIV_CON_MASK << CLK_I2C ##bus## _DIV_CON_SHIFT) |
5e79f443 KY |
515 | |
516 | #define I2C_PMUCLK_REG_VALUE(bus, clk_div) \ | |
dd7dfa21 | 517 | ((clk_div - 1) << CLK_I2C ##bus## _DIV_CON_SHIFT) |
5e79f443 | 518 | |
b52a199e | 519 | static ulong rk3399_i2c_get_clk(struct rockchip_cru *cru, ulong clk_id) |
b0b3c865 KY |
520 | { |
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 | ||
b52a199e | 556 | static ulong rk3399_i2c_set_clk(struct rockchip_cru *cru, ulong clk_id, uint hz) |
b0b3c865 KY |
557 | { |
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 | ||
beb90a53 | 594 | return rk3399_i2c_get_clk(cru, clk_id); |
b0b3c865 KY |
595 | } |
596 | ||
8fa6979b PT |
597 | /* |
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 | ||
603 | struct spi_clkreg { | |
dd7dfa21 JT |
604 | u8 reg; /* CLKSEL_CON[reg] register in CRU */ |
605 | u8 div_shift; | |
606 | u8 sel_shift; | |
8fa6979b PT |
607 | }; |
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 | */ | |
615 | static 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 | ||
b52a199e | 633 | static ulong rk3399_spi_get_clk(struct rockchip_cru *cru, ulong clk_id) |
8fa6979b PT |
634 | { |
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: | |
9b643e31 | 644 | pr_err("%s: SPI clk-id %ld not supported\n", __func__, clk_id); |
8fa6979b PT |
645 | return -EINVAL; |
646 | } | |
647 | ||
648 | val = readl(&cru->clksel_con[spiclk->reg]); | |
a8ee98df PT |
649 | div = bitfield_extract(val, spiclk->div_shift, |
650 | CLK_SPI_PLL_DIV_CON_WIDTH); | |
8fa6979b PT |
651 | |
652 | return DIV_TO_RATE(GPLL_HZ, div); | |
653 | } | |
654 | ||
b52a199e | 655 | static ulong rk3399_spi_set_clk(struct rockchip_cru *cru, ulong clk_id, uint hz) |
8fa6979b PT |
656 | { |
657 | const struct spi_clkreg *spiclk = NULL; | |
658 | int src_clk_div; | |
659 | ||
217273cd KY |
660 | src_clk_div = DIV_ROUND_UP(GPLL_HZ, hz) - 1; |
661 | assert(src_clk_div < 128); | |
8fa6979b PT |
662 | |
663 | switch (clk_id) { | |
664 | case SCLK_SPI1 ... SCLK_SPI5: | |
665 | spiclk = &spi_clkregs[clk_id - SCLK_SPI0]; | |
666 | break; | |
667 | ||
668 | default: | |
9b643e31 | 669 | pr_err("%s: SPI clk-id %ld not supported\n", __func__, clk_id); |
8fa6979b PT |
670 | 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 | ||
beb90a53 | 679 | return rk3399_spi_get_clk(cru, clk_id); |
8fa6979b PT |
680 | } |
681 | ||
b52a199e | 682 | static ulong rk3399_vop_set_clk(struct rockchip_cru *cru, ulong clk_id, u32 hz) |
b0b3c865 KY |
683 | { |
684 | struct pll_div vpll_config = {0}; | |
dd7dfa21 | 685 | int aclk_vop = 198 * MHz; |
b0b3c865 KY |
686 | 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, | |
dd7dfa21 | 717 | DCLK_VOP_DCLK_SEL_MASK | DCLK_VOP_PLL_SEL_MASK | |
b0b3c865 KY |
718 | 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 | ||
b52a199e | 726 | static ulong rk3399_mmc_get_clk(struct rockchip_cru *cru, uint clk_id) |
b0b3c865 KY |
727 | { |
728 | u32 div, con; | |
729 | ||
730 | switch (clk_id) { | |
f103c112 MS |
731 | 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; | |
998c61ae | 737 | case HCLK_SDMMC: |
b0b3c865 KY |
738 | case SCLK_SDMMC: |
739 | con = readl(&cru->clksel_con[16]); | |
3a94d75d KY |
740 | /* dwmmc controller have internal div 2 */ |
741 | div = 2; | |
b0b3c865 KY |
742 | break; |
743 | case SCLK_EMMC: | |
4648108c | 744 | con = readl(&cru->clksel_con[22]); |
3a94d75d | 745 | div = 1; |
b0b3c865 KY |
746 | break; |
747 | default: | |
748 | return -EINVAL; | |
749 | } | |
b0b3c865 | 750 | |
3a94d75d | 751 | div *= (con & CLK_EMMC_DIV_CON_MASK) >> CLK_EMMC_DIV_CON_SHIFT; |
fd4b2dc0 KY |
752 | if ((con & CLK_EMMC_PLL_MASK) >> CLK_EMMC_PLL_SHIFT |
753 | == CLK_EMMC_PLL_SEL_24M) | |
3a94d75d | 754 | return DIV_TO_RATE(OSC_HZ, div); |
fd4b2dc0 KY |
755 | else |
756 | return DIV_TO_RATE(GPLL_HZ, div); | |
b0b3c865 KY |
757 | } |
758 | ||
f103c112 MS |
759 | static 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 | ||
b52a199e | 782 | static ulong rk3399_mmc_set_clk(struct rockchip_cru *cru, |
b0b3c865 KY |
783 | ulong clk_id, ulong set_rate) |
784 | { | |
b0b3c865 | 785 | switch (clk_id) { |
f103c112 MS |
786 | case HCLK_SDIO: |
787 | case SCLK_SDIO: | |
788 | rk3399_dwmmc_set_clk(cru, 15, set_rate); | |
789 | break; | |
998c61ae | 790 | case HCLK_SDMMC: |
b0b3c865 | 791 | case SCLK_SDMMC: |
f103c112 | 792 | rk3399_dwmmc_set_clk(cru, 16, set_rate); |
b0b3c865 | 793 | break; |
f103c112 MS |
794 | case SCLK_EMMC: { |
795 | int aclk_emmc = 198 * MHz; | |
b0b3c865 | 796 | /* Select aclk_emmc source from GPLL */ |
f103c112 MS |
797 | int src_clk_div = DIV_ROUND_UP(GPLL_HZ, aclk_emmc); |
798 | ||
217273cd | 799 | assert(src_clk_div - 1 < 32); |
b0b3c865 KY |
800 | |
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 */ | |
217273cd KY |
807 | src_clk_div = DIV_ROUND_UP(GPLL_HZ, set_rate); |
808 | assert(src_clk_div - 1 < 128); | |
b0b3c865 KY |
809 | |
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; | |
f103c112 | 815 | } |
b0b3c865 KY |
816 | default: |
817 | return -EINVAL; | |
818 | } | |
819 | return rk3399_mmc_get_clk(cru, clk_id); | |
820 | } | |
821 | ||
b52a199e | 822 | static ulong rk3399_gmac_set_clk(struct rockchip_cru *cru, ulong rate) |
a45f17e8 PT |
823 | { |
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 | ||
5ae2fd97 | 846 | #define PMUSGRF_DDR_RGN_CON16 0xff330040 |
b52a199e | 847 | static ulong rk3399_ddr_set_clk(struct rockchip_cru *cru, |
5ae2fd97 KY |
848 | 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) { | |
09565686 JT |
857 | case 50 * MHz: |
858 | dpll_cfg = (struct pll_div) | |
2cb23b80 | 859 | {.refdiv = 2, .fbdiv = 75, .postdiv1 = 3, .postdiv2 = 6}; |
09565686 | 860 | break; |
dd7dfa21 | 861 | case 200 * MHz: |
5ae2fd97 KY |
862 | dpll_cfg = (struct pll_div) |
863 | {.refdiv = 1, .fbdiv = 50, .postdiv1 = 6, .postdiv2 = 1}; | |
864 | break; | |
dd7dfa21 | 865 | case 300 * MHz: |
5ae2fd97 KY |
866 | dpll_cfg = (struct pll_div) |
867 | {.refdiv = 2, .fbdiv = 100, .postdiv1 = 4, .postdiv2 = 1}; | |
868 | break; | |
f556d75a JT |
869 | case 400 * MHz: |
870 | dpll_cfg = (struct pll_div) | |
871 | {.refdiv = 1, .fbdiv = 50, .postdiv1 = 3, .postdiv2 = 1}; | |
872 | break; | |
dd7dfa21 | 873 | case 666 * MHz: |
5ae2fd97 KY |
874 | dpll_cfg = (struct pll_div) |
875 | {.refdiv = 2, .fbdiv = 111, .postdiv1 = 2, .postdiv2 = 1}; | |
876 | break; | |
dd7dfa21 | 877 | case 800 * MHz: |
5ae2fd97 KY |
878 | dpll_cfg = (struct pll_div) |
879 | {.refdiv = 1, .fbdiv = 100, .postdiv1 = 3, .postdiv2 = 1}; | |
880 | break; | |
dd7dfa21 | 881 | case 933 * MHz: |
5ae2fd97 KY |
882 | dpll_cfg = (struct pll_div) |
883 | {.refdiv = 1, .fbdiv = 116, .postdiv1 = 3, .postdiv2 = 1}; | |
884 | break; | |
885 | default: | |
9b643e31 | 886 | pr_err("Unsupported SDRAM frequency!,%ld\n", set_rate); |
5ae2fd97 KY |
887 | } |
888 | rkclk_set_pll(&cru->dpll_con[0], &dpll_cfg); | |
889 | ||
890 | return set_rate; | |
891 | } | |
364fc731 | 892 | |
da0be4e1 JM |
893 | static 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 | ||
b52a199e | 904 | static ulong rk3399_saradc_get_clk(struct rockchip_cru *cru) |
364fc731 DW |
905 | { |
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 | ||
b52a199e | 915 | static ulong rk3399_saradc_set_clk(struct rockchip_cru *cru, uint hz) |
364fc731 DW |
916 | { |
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 | ||
e801d05b JK |
929 | static 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 | ||
937 | static 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 | ||
b0b3c865 KY |
949 | static 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; | |
f103c112 MS |
957 | case HCLK_SDIO: |
958 | case SCLK_SDIO: | |
998c61ae | 959 | case HCLK_SDMMC: |
b0b3c865 KY |
960 | 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; | |
8fa6979b PT |
972 | case SCLK_SPI0...SCLK_SPI5: |
973 | rate = rk3399_spi_get_clk(priv->cru, clk->id); | |
974 | break; | |
975 | case SCLK_UART0: | |
24615436 | 976 | case SCLK_UART1: |
8fa6979b | 977 | case SCLK_UART2: |
24615436 | 978 | case SCLK_UART3: |
add8cef6 JK |
979 | case SCLK_USB3OTG0_REF: |
980 | case SCLK_USB3OTG1_REF: | |
981 | return OSC_HZ; | |
ffc1fac5 PT |
982 | case PCLK_HDMI_CTRL: |
983 | break; | |
b0b3c865 KY |
984 | case DCLK_VOP0: |
985 | case DCLK_VOP1: | |
986 | break; | |
a70feb46 PT |
987 | case PCLK_EFUSE1024NS: |
988 | break; | |
364fc731 DW |
989 | case SCLK_SARADC: |
990 | rate = rk3399_saradc_get_clk(priv->cru); | |
991 | break; | |
e801d05b JK |
992 | case SCLK_PCIEPHY_REF: |
993 | rate = rk3399_pciephy_get_clk(priv->cru); | |
994 | break; | |
5328af17 SG |
995 | case ACLK_VIO: |
996 | case ACLK_HDCP: | |
997 | case ACLK_GIC_PRE: | |
998 | case PCLK_DDR: | |
24463b15 | 999 | case ACLK_VDU: |
5328af17 | 1000 | break; |
da0be4e1 JM |
1001 | case PCLK_ALIVE: |
1002 | case PCLK_WDT: | |
1003 | rate = rk3399_alive_get_clk(priv->cru); | |
1004 | break; | |
b0b3c865 | 1005 | default: |
5328af17 | 1006 | log_debug("Unknown clock %lu\n", clk->id); |
b0b3c865 KY |
1007 | return -ENOENT; |
1008 | } | |
1009 | ||
1010 | return rate; | |
1011 | } | |
1012 | ||
1013 | static ulong rk3399_clk_set_rate(struct clk *clk, ulong rate) | |
1014 | { | |
1015 | struct rk3399_clk_priv *priv = dev_get_priv(clk->dev); | |
1016 | ulong ret = 0; | |
1017 | ||
1018 | switch (clk->id) { | |
1019 | case 0 ... 63: | |
1020 | return 0; | |
d2f1f1ab PT |
1021 | |
1022 | case ACLK_PERIHP: | |
1023 | case HCLK_PERIHP: | |
1024 | case PCLK_PERIHP: | |
1025 | return 0; | |
1026 | ||
1027 | case ACLK_PERILP0: | |
1028 | case HCLK_PERILP0: | |
1029 | case PCLK_PERILP0: | |
1030 | return 0; | |
1031 | ||
1032 | case ACLK_CCI: | |
1033 | return 0; | |
1034 | ||
1035 | case HCLK_PERILP1: | |
1036 | case PCLK_PERILP1: | |
1037 | return 0; | |
1038 | ||
f103c112 MS |
1039 | case HCLK_SDIO: |
1040 | case SCLK_SDIO: | |
998c61ae | 1041 | case HCLK_SDMMC: |
b0b3c865 KY |
1042 | case SCLK_SDMMC: |
1043 | case SCLK_EMMC: | |
1044 | ret = rk3399_mmc_set_clk(priv->cru, clk->id, rate); | |
1045 | break; | |
65d83303 | 1046 | case SCLK_MAC: |
a45f17e8 | 1047 | ret = rk3399_gmac_set_clk(priv->cru, rate); |
65d83303 | 1048 | break; |
b0b3c865 KY |
1049 | case SCLK_I2C1: |
1050 | case SCLK_I2C2: | |
1051 | case SCLK_I2C3: | |
1052 | case SCLK_I2C5: | |
1053 | case SCLK_I2C6: | |
1054 | case SCLK_I2C7: | |
1055 | ret = rk3399_i2c_set_clk(priv->cru, clk->id, rate); | |
1056 | break; | |
8fa6979b PT |
1057 | case SCLK_SPI0...SCLK_SPI5: |
1058 | ret = rk3399_spi_set_clk(priv->cru, clk->id, rate); | |
1059 | break; | |
ffc1fac5 PT |
1060 | case PCLK_HDMI_CTRL: |
1061 | case PCLK_VIO_GRF: | |
1062 | /* the PCLK gates for video are enabled by default */ | |
1063 | break; | |
b0b3c865 KY |
1064 | case DCLK_VOP0: |
1065 | case DCLK_VOP1: | |
5e79f443 | 1066 | ret = rk3399_vop_set_clk(priv->cru, clk->id, rate); |
b0b3c865 | 1067 | break; |
b1bcd616 JT |
1068 | case ACLK_VOP1: |
1069 | case HCLK_VOP1: | |
96993d7c | 1070 | case HCLK_SD: |
80e19111 JT |
1071 | case SCLK_UPHY0_TCPDCORE: |
1072 | case SCLK_UPHY1_TCPDCORE: | |
b1bcd616 JT |
1073 | /** |
1074 | * assigned-clocks handling won't require for vopl, so | |
1075 | * return 0 to satisfy clk_set_defaults during device probe. | |
1076 | */ | |
1077 | return 0; | |
fc4572ae | 1078 | case SCLK_DDRC: |
5ae2fd97 KY |
1079 | ret = rk3399_ddr_set_clk(priv->cru, rate); |
1080 | break; | |
a70feb46 PT |
1081 | case PCLK_EFUSE1024NS: |
1082 | break; | |
364fc731 DW |
1083 | case SCLK_SARADC: |
1084 | ret = rk3399_saradc_set_clk(priv->cru, rate); | |
1085 | break; | |
e801d05b JK |
1086 | case SCLK_PCIEPHY_REF: |
1087 | ret = rk3399_pciephy_set_clk(priv->cru, rate); | |
1088 | break; | |
5328af17 SG |
1089 | case ACLK_VIO: |
1090 | case ACLK_HDCP: | |
1091 | case ACLK_GIC_PRE: | |
1092 | case PCLK_DDR: | |
24463b15 | 1093 | case ACLK_VDU: |
5328af17 | 1094 | return 0; |
b0b3c865 | 1095 | default: |
5328af17 | 1096 | log_debug("Unknown clock %lu\n", clk->id); |
b0b3c865 KY |
1097 | return -ENOENT; |
1098 | } | |
1099 | ||
1100 | return ret; | |
1101 | } | |
1102 | ||
dd7dfa21 JT |
1103 | static int __maybe_unused rk3399_gmac_set_parent(struct clk *clk, |
1104 | struct clk *parent) | |
a45f17e8 PT |
1105 | { |
1106 | struct rk3399_clk_priv *priv = dev_get_priv(clk->dev); | |
1107 | const char *clock_output_name; | |
1108 | int ret; | |
1109 | ||
1110 | /* | |
1111 | * If the requested parent is in the same clock-controller and | |
1112 | * the id is SCLK_MAC ("clk_gmac"), switch to the internal clock. | |
1113 | */ | |
dd7dfa21 | 1114 | if (parent->dev == clk->dev && parent->id == SCLK_MAC) { |
a45f17e8 PT |
1115 | debug("%s: switching RGMII to SCLK_MAC\n", __func__); |
1116 | rk_clrreg(&priv->cru->clksel_con[19], BIT(4)); | |
1117 | return 0; | |
1118 | } | |
1119 | ||
1120 | /* | |
1121 | * Otherwise, we need to check the clock-output-names of the | |
1122 | * requested parent to see if the requested id is "clkin_gmac". | |
1123 | */ | |
1124 | ret = dev_read_string_index(parent->dev, "clock-output-names", | |
1125 | parent->id, &clock_output_name); | |
1126 | if (ret < 0) | |
1127 | return -ENODATA; | |
1128 | ||
1129 | /* If this is "clkin_gmac", switch to the external clock input */ | |
1130 | if (!strcmp(clock_output_name, "clkin_gmac")) { | |
1131 | debug("%s: switching RGMII to CLKIN\n", __func__); | |
1132 | rk_setreg(&priv->cru->clksel_con[19], BIT(4)); | |
1133 | return 0; | |
1134 | } | |
1135 | ||
1136 | return -EINVAL; | |
1137 | } | |
1138 | ||
e801d05b JK |
1139 | static int __maybe_unused rk3399_pciephy_set_parent(struct clk *clk, |
1140 | struct clk *parent) | |
1141 | { | |
1142 | struct rk3399_clk_priv *priv = dev_get_priv(clk->dev); | |
1143 | const char *clock_output_name; | |
1144 | int ret; | |
1145 | ||
1146 | if (parent->dev == clk->dev && parent->id == SCLK_PCIEPHY_REF100M) { | |
1147 | rk_setreg(&priv->cru->clksel_con[18], BIT(10)); | |
1148 | return 0; | |
1149 | } | |
1150 | ||
1151 | ret = dev_read_string_index(parent->dev, "clock-output-names", | |
1152 | parent->id, &clock_output_name); | |
1153 | if (ret < 0) | |
1154 | return -ENODATA; | |
1155 | ||
1156 | if (!strcmp(clock_output_name, "xin24m")) { | |
1157 | rk_clrreg(&priv->cru->clksel_con[18], BIT(10)); | |
1158 | return 0; | |
1159 | } | |
1160 | ||
1161 | return -EINVAL; | |
1162 | } | |
1163 | ||
dd7dfa21 JT |
1164 | static int __maybe_unused rk3399_clk_set_parent(struct clk *clk, |
1165 | struct clk *parent) | |
a45f17e8 PT |
1166 | { |
1167 | switch (clk->id) { | |
1168 | case SCLK_RMII_SRC: | |
1169 | return rk3399_gmac_set_parent(clk, parent); | |
e801d05b JK |
1170 | case SCLK_PCIEPHY_REF: |
1171 | return rk3399_pciephy_set_parent(clk, parent); | |
a45f17e8 PT |
1172 | } |
1173 | ||
1174 | debug("%s: unsupported clk %ld\n", __func__, clk->id); | |
1175 | return -ENOENT; | |
1176 | } | |
1177 | ||
30d09a2f JT |
1178 | static int rk3399_clk_enable(struct clk *clk) |
1179 | { | |
1180 | struct rk3399_clk_priv *priv = dev_get_priv(clk->dev); | |
1181 | ||
1182 | switch (clk->id) { | |
1183 | case SCLK_MAC: | |
1184 | rk_clrreg(&priv->cru->clkgate_con[5], BIT(5)); | |
1185 | break; | |
1186 | case SCLK_MAC_RX: | |
1187 | rk_clrreg(&priv->cru->clkgate_con[5], BIT(8)); | |
1188 | break; | |
1189 | case SCLK_MAC_TX: | |
1190 | rk_clrreg(&priv->cru->clkgate_con[5], BIT(9)); | |
1191 | break; | |
1192 | case SCLK_MACREF: | |
1193 | rk_clrreg(&priv->cru->clkgate_con[5], BIT(7)); | |
1194 | break; | |
1195 | case SCLK_MACREF_OUT: | |
1196 | rk_clrreg(&priv->cru->clkgate_con[5], BIT(6)); | |
1197 | break; | |
f7dd12a7 JT |
1198 | case SCLK_USB2PHY0_REF: |
1199 | rk_clrreg(&priv->cru->clkgate_con[6], BIT(5)); | |
1200 | break; | |
1201 | case SCLK_USB2PHY1_REF: | |
1202 | rk_clrreg(&priv->cru->clkgate_con[6], BIT(6)); | |
1203 | break; | |
30d09a2f JT |
1204 | case ACLK_GMAC: |
1205 | rk_clrreg(&priv->cru->clkgate_con[32], BIT(0)); | |
1206 | break; | |
1207 | case PCLK_GMAC: | |
1208 | rk_clrreg(&priv->cru->clkgate_con[32], BIT(2)); | |
1209 | break; | |
1210 | case SCLK_USB3OTG0_REF: | |
1211 | rk_clrreg(&priv->cru->clkgate_con[12], BIT(1)); | |
1212 | break; | |
1213 | case SCLK_USB3OTG1_REF: | |
1214 | rk_clrreg(&priv->cru->clkgate_con[12], BIT(2)); | |
1215 | break; | |
1216 | case SCLK_USB3OTG0_SUSPEND: | |
1217 | rk_clrreg(&priv->cru->clkgate_con[12], BIT(3)); | |
1218 | break; | |
1219 | case SCLK_USB3OTG1_SUSPEND: | |
1220 | rk_clrreg(&priv->cru->clkgate_con[12], BIT(4)); | |
1221 | break; | |
1222 | case ACLK_USB3OTG0: | |
1223 | rk_clrreg(&priv->cru->clkgate_con[30], BIT(1)); | |
1224 | break; | |
1225 | case ACLK_USB3OTG1: | |
1226 | rk_clrreg(&priv->cru->clkgate_con[30], BIT(2)); | |
1227 | break; | |
1228 | case ACLK_USB3_RKSOC_AXI_PERF: | |
1229 | rk_clrreg(&priv->cru->clkgate_con[30], BIT(3)); | |
1230 | break; | |
1231 | case ACLK_USB3: | |
1232 | rk_clrreg(&priv->cru->clkgate_con[12], BIT(0)); | |
1233 | break; | |
1234 | case ACLK_USB3_GRF: | |
1235 | rk_clrreg(&priv->cru->clkgate_con[30], BIT(4)); | |
1236 | break; | |
1237 | case HCLK_HOST0: | |
1238 | rk_clrreg(&priv->cru->clksel_con[20], BIT(5)); | |
1239 | break; | |
1240 | case HCLK_HOST0_ARB: | |
1241 | rk_clrreg(&priv->cru->clksel_con[20], BIT(6)); | |
1242 | break; | |
1243 | case HCLK_HOST1: | |
1244 | rk_clrreg(&priv->cru->clksel_con[20], BIT(7)); | |
1245 | break; | |
1246 | case HCLK_HOST1_ARB: | |
1247 | rk_clrreg(&priv->cru->clksel_con[20], BIT(8)); | |
1248 | break; | |
e1b413d1 JT |
1249 | case SCLK_UPHY0_TCPDPHY_REF: |
1250 | rk_clrreg(&priv->cru->clkgate_con[13], BIT(4)); | |
1251 | break; | |
1252 | case SCLK_UPHY0_TCPDCORE: | |
1253 | rk_clrreg(&priv->cru->clkgate_con[13], BIT(5)); | |
1254 | break; | |
1255 | case SCLK_UPHY1_TCPDPHY_REF: | |
1256 | rk_clrreg(&priv->cru->clkgate_con[13], BIT(6)); | |
1257 | break; | |
1258 | case SCLK_UPHY1_TCPDCORE: | |
1259 | rk_clrreg(&priv->cru->clkgate_con[13], BIT(7)); | |
1260 | break; | |
912f633d | 1261 | case SCLK_PCIEPHY_REF: |
e801d05b JK |
1262 | if (readl(&priv->cru->clksel_con[18]) & BIT(10)) |
1263 | rk_clrreg(&priv->cru->clkgate_con[12], BIT(6)); | |
912f633d | 1264 | break; |
30d09a2f JT |
1265 | default: |
1266 | debug("%s: unsupported clk %ld\n", __func__, clk->id); | |
1267 | return -ENOENT; | |
1268 | } | |
1269 | ||
1270 | return 0; | |
1271 | } | |
1272 | ||
1273 | static int rk3399_clk_disable(struct clk *clk) | |
1274 | { | |
1275 | struct rk3399_clk_priv *priv = dev_get_priv(clk->dev); | |
1276 | ||
1277 | switch (clk->id) { | |
1278 | case SCLK_MAC: | |
1279 | rk_setreg(&priv->cru->clkgate_con[5], BIT(5)); | |
1280 | break; | |
1281 | case SCLK_MAC_RX: | |
1282 | rk_setreg(&priv->cru->clkgate_con[5], BIT(8)); | |
1283 | break; | |
1284 | case SCLK_MAC_TX: | |
1285 | rk_setreg(&priv->cru->clkgate_con[5], BIT(9)); | |
1286 | break; | |
1287 | case SCLK_MACREF: | |
1288 | rk_setreg(&priv->cru->clkgate_con[5], BIT(7)); | |
1289 | break; | |
1290 | case SCLK_MACREF_OUT: | |
1291 | rk_setreg(&priv->cru->clkgate_con[5], BIT(6)); | |
1292 | break; | |
f7dd12a7 JT |
1293 | case SCLK_USB2PHY0_REF: |
1294 | rk_setreg(&priv->cru->clkgate_con[6], BIT(5)); | |
1295 | break; | |
1296 | case SCLK_USB2PHY1_REF: | |
1297 | rk_setreg(&priv->cru->clkgate_con[6], BIT(6)); | |
1298 | break; | |
30d09a2f JT |
1299 | case ACLK_GMAC: |
1300 | rk_setreg(&priv->cru->clkgate_con[32], BIT(0)); | |
1301 | break; | |
1302 | case PCLK_GMAC: | |
1303 | rk_setreg(&priv->cru->clkgate_con[32], BIT(2)); | |
1304 | break; | |
1305 | case SCLK_USB3OTG0_REF: | |
1306 | rk_setreg(&priv->cru->clkgate_con[12], BIT(1)); | |
1307 | break; | |
1308 | case SCLK_USB3OTG1_REF: | |
1309 | rk_setreg(&priv->cru->clkgate_con[12], BIT(2)); | |
1310 | break; | |
1311 | case SCLK_USB3OTG0_SUSPEND: | |
1312 | rk_setreg(&priv->cru->clkgate_con[12], BIT(3)); | |
1313 | break; | |
1314 | case SCLK_USB3OTG1_SUSPEND: | |
1315 | rk_setreg(&priv->cru->clkgate_con[12], BIT(4)); | |
1316 | break; | |
1317 | case ACLK_USB3OTG0: | |
1318 | rk_setreg(&priv->cru->clkgate_con[30], BIT(1)); | |
1319 | break; | |
1320 | case ACLK_USB3OTG1: | |
1321 | rk_setreg(&priv->cru->clkgate_con[30], BIT(2)); | |
1322 | break; | |
1323 | case ACLK_USB3_RKSOC_AXI_PERF: | |
1324 | rk_setreg(&priv->cru->clkgate_con[30], BIT(3)); | |
1325 | break; | |
1326 | case ACLK_USB3: | |
1327 | rk_setreg(&priv->cru->clkgate_con[12], BIT(0)); | |
1328 | break; | |
1329 | case ACLK_USB3_GRF: | |
1330 | rk_setreg(&priv->cru->clkgate_con[30], BIT(4)); | |
1331 | break; | |
1332 | case HCLK_HOST0: | |
1333 | rk_setreg(&priv->cru->clksel_con[20], BIT(5)); | |
1334 | break; | |
1335 | case HCLK_HOST0_ARB: | |
1336 | rk_setreg(&priv->cru->clksel_con[20], BIT(6)); | |
1337 | break; | |
1338 | case HCLK_HOST1: | |
1339 | rk_setreg(&priv->cru->clksel_con[20], BIT(7)); | |
1340 | break; | |
1341 | case HCLK_HOST1_ARB: | |
1342 | rk_setreg(&priv->cru->clksel_con[20], BIT(8)); | |
1343 | break; | |
e1b413d1 JT |
1344 | case SCLK_UPHY0_TCPDPHY_REF: |
1345 | rk_setreg(&priv->cru->clkgate_con[13], BIT(4)); | |
1346 | break; | |
1347 | case SCLK_UPHY0_TCPDCORE: | |
1348 | rk_setreg(&priv->cru->clkgate_con[13], BIT(5)); | |
1349 | break; | |
1350 | case SCLK_UPHY1_TCPDPHY_REF: | |
1351 | rk_setreg(&priv->cru->clkgate_con[13], BIT(6)); | |
1352 | break; | |
1353 | case SCLK_UPHY1_TCPDCORE: | |
1354 | rk_setreg(&priv->cru->clkgate_con[13], BIT(7)); | |
1355 | break; | |
912f633d | 1356 | case SCLK_PCIEPHY_REF: |
e801d05b JK |
1357 | if (readl(&priv->cru->clksel_con[18]) & BIT(10)) |
1358 | rk_setreg(&priv->cru->clkgate_con[12], BIT(6)); | |
912f633d | 1359 | break; |
30d09a2f JT |
1360 | default: |
1361 | debug("%s: unsupported clk %ld\n", __func__, clk->id); | |
1362 | return -ENOENT; | |
1363 | } | |
1364 | ||
1365 | return 0; | |
1366 | } | |
1367 | ||
b0b3c865 KY |
1368 | static struct clk_ops rk3399_clk_ops = { |
1369 | .get_rate = rk3399_clk_get_rate, | |
1370 | .set_rate = rk3399_clk_set_rate, | |
414cc151 | 1371 | #if CONFIG_IS_ENABLED(OF_REAL) |
a45f17e8 | 1372 | .set_parent = rk3399_clk_set_parent, |
75b381aa | 1373 | #endif |
30d09a2f JT |
1374 | .enable = rk3399_clk_enable, |
1375 | .disable = rk3399_clk_disable, | |
b0b3c865 KY |
1376 | }; |
1377 | ||
b52a199e | 1378 | static void rkclk_init(struct rockchip_cru *cru) |
9f636a24 KY |
1379 | { |
1380 | u32 aclk_div; | |
1381 | u32 hclk_div; | |
1382 | u32 pclk_div; | |
1383 | ||
af765a49 CM |
1384 | rk3399_configure_cpu_l(cru, APLL_L_600_MHZ); |
1385 | rk3399_configure_cpu_b(cru, APLL_B_600_MHZ); | |
9f636a24 KY |
1386 | /* |
1387 | * some cru registers changed by bootrom, we'd better reset them to | |
1388 | * reset/default values described in TRM to avoid confusion in kernel. | |
1389 | * Please consider these three lines as a fix of bootrom bug. | |
1390 | */ | |
1391 | rk_clrsetreg(&cru->clksel_con[12], 0xffff, 0x4101); | |
1392 | rk_clrsetreg(&cru->clksel_con[19], 0xffff, 0x033f); | |
1393 | rk_clrsetreg(&cru->clksel_con[56], 0x0003, 0x0003); | |
1394 | ||
1395 | /* configure gpll cpll */ | |
1396 | rkclk_set_pll(&cru->gpll_con[0], &gpll_init_cfg); | |
1397 | rkclk_set_pll(&cru->cpll_con[0], &cpll_init_cfg); | |
1398 | ||
1399 | /* configure perihp aclk, hclk, pclk */ | |
1400 | aclk_div = GPLL_HZ / PERIHP_ACLK_HZ - 1; | |
1401 | assert((aclk_div + 1) * PERIHP_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f); | |
1402 | ||
1403 | hclk_div = PERIHP_ACLK_HZ / PERIHP_HCLK_HZ - 1; | |
1404 | assert((hclk_div + 1) * PERIHP_HCLK_HZ == | |
1405 | PERIHP_ACLK_HZ && (hclk_div < 0x4)); | |
1406 | ||
1407 | pclk_div = PERIHP_ACLK_HZ / PERIHP_PCLK_HZ - 1; | |
1408 | assert((pclk_div + 1) * PERIHP_PCLK_HZ == | |
1409 | PERIHP_ACLK_HZ && (pclk_div < 0x7)); | |
1410 | ||
1411 | rk_clrsetreg(&cru->clksel_con[14], | |
1412 | PCLK_PERIHP_DIV_CON_MASK | HCLK_PERIHP_DIV_CON_MASK | | |
1413 | ACLK_PERIHP_PLL_SEL_MASK | ACLK_PERIHP_DIV_CON_MASK, | |
1414 | pclk_div << PCLK_PERIHP_DIV_CON_SHIFT | | |
1415 | hclk_div << HCLK_PERIHP_DIV_CON_SHIFT | | |
1416 | ACLK_PERIHP_PLL_SEL_GPLL << ACLK_PERIHP_PLL_SEL_SHIFT | | |
1417 | aclk_div << ACLK_PERIHP_DIV_CON_SHIFT); | |
1418 | ||
1419 | /* configure perilp0 aclk, hclk, pclk */ | |
1420 | aclk_div = GPLL_HZ / PERILP0_ACLK_HZ - 1; | |
1421 | assert((aclk_div + 1) * PERILP0_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f); | |
1422 | ||
1423 | hclk_div = PERILP0_ACLK_HZ / PERILP0_HCLK_HZ - 1; | |
1424 | assert((hclk_div + 1) * PERILP0_HCLK_HZ == | |
1425 | PERILP0_ACLK_HZ && (hclk_div < 0x4)); | |
1426 | ||
1427 | pclk_div = PERILP0_ACLK_HZ / PERILP0_PCLK_HZ - 1; | |
1428 | assert((pclk_div + 1) * PERILP0_PCLK_HZ == | |
1429 | PERILP0_ACLK_HZ && (pclk_div < 0x7)); | |
1430 | ||
1431 | rk_clrsetreg(&cru->clksel_con[23], | |
1432 | PCLK_PERILP0_DIV_CON_MASK | HCLK_PERILP0_DIV_CON_MASK | | |
1433 | ACLK_PERILP0_PLL_SEL_MASK | ACLK_PERILP0_DIV_CON_MASK, | |
1434 | pclk_div << PCLK_PERILP0_DIV_CON_SHIFT | | |
1435 | hclk_div << HCLK_PERILP0_DIV_CON_SHIFT | | |
1436 | ACLK_PERILP0_PLL_SEL_GPLL << ACLK_PERILP0_PLL_SEL_SHIFT | | |
1437 | aclk_div << ACLK_PERILP0_DIV_CON_SHIFT); | |
1438 | ||
1439 | /* perilp1 hclk select gpll as source */ | |
1440 | hclk_div = GPLL_HZ / PERILP1_HCLK_HZ - 1; | |
1441 | assert((hclk_div + 1) * PERILP1_HCLK_HZ == | |
1442 | GPLL_HZ && (hclk_div < 0x1f)); | |
1443 | ||
1444 | pclk_div = PERILP1_HCLK_HZ / PERILP1_HCLK_HZ - 1; | |
1445 | assert((pclk_div + 1) * PERILP1_HCLK_HZ == | |
1446 | PERILP1_HCLK_HZ && (hclk_div < 0x7)); | |
1447 | ||
1448 | rk_clrsetreg(&cru->clksel_con[25], | |
1449 | PCLK_PERILP1_DIV_CON_MASK | HCLK_PERILP1_DIV_CON_MASK | | |
1450 | HCLK_PERILP1_PLL_SEL_MASK, | |
1451 | pclk_div << PCLK_PERILP1_DIV_CON_SHIFT | | |
1452 | hclk_div << HCLK_PERILP1_DIV_CON_SHIFT | | |
1453 | HCLK_PERILP1_PLL_SEL_GPLL << HCLK_PERILP1_PLL_SEL_SHIFT); | |
1454 | } | |
9f636a24 | 1455 | |
b0b3c865 KY |
1456 | static int rk3399_clk_probe(struct udevice *dev) |
1457 | { | |
1458 | struct rk3399_clk_priv *priv = dev_get_priv(dev); | |
eb890250 | 1459 | bool init_clocks = false; |
b0b3c865 | 1460 | |
5ae2fd97 | 1461 | #if CONFIG_IS_ENABLED(OF_PLATDATA) |
c69cda25 | 1462 | struct rk3399_clk_plat *plat = dev_get_plat(dev); |
b0b3c865 | 1463 | |
c20ee0ed | 1464 | priv->cru = map_sysmem(plat->dtd.reg[0], plat->dtd.reg[1]); |
5ae2fd97 | 1465 | #endif |
eb890250 | 1466 | |
371dc068 | 1467 | #if defined(CONFIG_XPL_BUILD) |
eb890250 ANY |
1468 | init_clocks = true; |
1469 | #elif CONFIG_IS_ENABLED(HANDOFF) | |
1470 | if (!(gd->flags & GD_FLG_RELOC)) { | |
2e931317 | 1471 | if (!handoff_get()) |
eb890250 ANY |
1472 | init_clocks = true; |
1473 | } | |
5ae2fd97 | 1474 | #endif |
eb890250 ANY |
1475 | |
1476 | if (init_clocks) | |
1477 | rkclk_init(priv->cru); | |
1478 | ||
b0b3c865 KY |
1479 | return 0; |
1480 | } | |
1481 | ||
d1998a9f | 1482 | static int rk3399_clk_of_to_plat(struct udevice *dev) |
b0b3c865 | 1483 | { |
dcfc42b1 SG |
1484 | if (CONFIG_IS_ENABLED(OF_REAL)) { |
1485 | struct rk3399_clk_priv *priv = dev_get_priv(dev); | |
1486 | ||
1487 | priv->cru = dev_read_addr_ptr(dev); | |
1488 | } | |
b0b3c865 | 1489 | |
b0b3c865 KY |
1490 | return 0; |
1491 | } | |
1492 | ||
1493 | static int rk3399_clk_bind(struct udevice *dev) | |
1494 | { | |
1495 | int ret; | |
f24e36da KY |
1496 | struct udevice *sys_child; |
1497 | struct sysreset_reg *priv; | |
b0b3c865 KY |
1498 | |
1499 | /* The reset driver does not have a device node, so bind it here */ | |
f24e36da KY |
1500 | ret = device_bind_driver(dev, "rockchip_sysreset", "sysreset", |
1501 | &sys_child); | |
1502 | if (ret) { | |
1503 | debug("Warning: No sysreset driver: ret=%d\n", ret); | |
1504 | } else { | |
1505 | priv = malloc(sizeof(struct sysreset_reg)); | |
b52a199e | 1506 | priv->glb_srst_fst_value = offsetof(struct rockchip_cru, |
f24e36da | 1507 | glb_srst_fst_value); |
b52a199e | 1508 | priv->glb_srst_snd_value = offsetof(struct rockchip_cru, |
f24e36da | 1509 | glb_srst_snd_value); |
0fd3d911 | 1510 | dev_set_priv(sys_child, priv); |
f24e36da | 1511 | } |
b0b3c865 | 1512 | |
a5ada25e | 1513 | #if CONFIG_IS_ENABLED(RESET_ROCKCHIP) |
b52a199e | 1514 | ret = offsetof(struct rockchip_cru, softrst_con[0]); |
538f67c3 EZ |
1515 | ret = rockchip_reset_bind(dev, ret, 21); |
1516 | if (ret) | |
30850b69 | 1517 | debug("Warning: software reset driver bind failed\n"); |
538f67c3 EZ |
1518 | #endif |
1519 | ||
b0b3c865 KY |
1520 | return 0; |
1521 | } | |
1522 | ||
1523 | static const struct udevice_id rk3399_clk_ids[] = { | |
1524 | { .compatible = "rockchip,rk3399-cru" }, | |
1525 | { } | |
1526 | }; | |
1527 | ||
1528 | U_BOOT_DRIVER(clk_rk3399) = { | |
5ae2fd97 | 1529 | .name = "rockchip_rk3399_cru", |
b0b3c865 KY |
1530 | .id = UCLASS_CLK, |
1531 | .of_match = rk3399_clk_ids, | |
41575d8e | 1532 | .priv_auto = sizeof(struct rk3399_clk_priv), |
d1998a9f | 1533 | .of_to_plat = rk3399_clk_of_to_plat, |
b0b3c865 KY |
1534 | .ops = &rk3399_clk_ops, |
1535 | .bind = rk3399_clk_bind, | |
1536 | .probe = rk3399_clk_probe, | |
5ae2fd97 | 1537 | #if CONFIG_IS_ENABLED(OF_PLATDATA) |
caa4daa2 | 1538 | .plat_auto = sizeof(struct rk3399_clk_plat), |
5ae2fd97 | 1539 | #endif |
b0b3c865 | 1540 | }; |
5e79f443 KY |
1541 | |
1542 | static ulong rk3399_i2c_get_pmuclk(struct rk3399_pmucru *pmucru, ulong clk_id) | |
1543 | { | |
1544 | u32 div, con; | |
1545 | ||
1546 | switch (clk_id) { | |
1547 | case SCLK_I2C0_PMU: | |
1548 | con = readl(&pmucru->pmucru_clksel[2]); | |
1549 | div = I2C_CLK_DIV_VALUE(con, 0); | |
1550 | break; | |
1551 | case SCLK_I2C4_PMU: | |
1552 | con = readl(&pmucru->pmucru_clksel[3]); | |
1553 | div = I2C_CLK_DIV_VALUE(con, 4); | |
1554 | break; | |
1555 | case SCLK_I2C8_PMU: | |
1556 | con = readl(&pmucru->pmucru_clksel[2]); | |
1557 | div = I2C_CLK_DIV_VALUE(con, 8); | |
1558 | break; | |
1559 | default: | |
1560 | printf("do not support this i2c bus\n"); | |
1561 | return -EINVAL; | |
1562 | } | |
1563 | ||
1564 | return DIV_TO_RATE(PPLL_HZ, div); | |
1565 | } | |
1566 | ||
1567 | static ulong rk3399_i2c_set_pmuclk(struct rk3399_pmucru *pmucru, ulong clk_id, | |
1568 | uint hz) | |
1569 | { | |
1570 | int src_clk_div; | |
1571 | ||
1572 | src_clk_div = PPLL_HZ / hz; | |
1573 | assert(src_clk_div - 1 < 127); | |
1574 | ||
1575 | switch (clk_id) { | |
1576 | case SCLK_I2C0_PMU: | |
1577 | rk_clrsetreg(&pmucru->pmucru_clksel[2], I2C_PMUCLK_REG_MASK(0), | |
1578 | I2C_PMUCLK_REG_VALUE(0, src_clk_div)); | |
1579 | break; | |
1580 | case SCLK_I2C4_PMU: | |
1581 | rk_clrsetreg(&pmucru->pmucru_clksel[3], I2C_PMUCLK_REG_MASK(4), | |
1582 | I2C_PMUCLK_REG_VALUE(4, src_clk_div)); | |
1583 | break; | |
1584 | case SCLK_I2C8_PMU: | |
1585 | rk_clrsetreg(&pmucru->pmucru_clksel[2], I2C_PMUCLK_REG_MASK(8), | |
1586 | I2C_PMUCLK_REG_VALUE(8, src_clk_div)); | |
1587 | break; | |
1588 | default: | |
1589 | printf("do not support this i2c bus\n"); | |
1590 | return -EINVAL; | |
1591 | } | |
1592 | ||
1593 | return DIV_TO_RATE(PPLL_HZ, src_clk_div); | |
1594 | } | |
1595 | ||
1596 | static ulong rk3399_pwm_get_clk(struct rk3399_pmucru *pmucru) | |
1597 | { | |
1598 | u32 div, con; | |
1599 | ||
1600 | /* PWM closk rate is same as pclk_pmu */ | |
1601 | con = readl(&pmucru->pmucru_clksel[0]); | |
1602 | div = con & PMU_PCLK_DIV_CON_MASK; | |
1603 | ||
1604 | return DIV_TO_RATE(PPLL_HZ, div); | |
1605 | } | |
1606 | ||
1607 | static ulong rk3399_pmuclk_get_rate(struct clk *clk) | |
1608 | { | |
1609 | struct rk3399_pmuclk_priv *priv = dev_get_priv(clk->dev); | |
1610 | ulong rate = 0; | |
1611 | ||
1612 | switch (clk->id) { | |
434d5a00 PT |
1613 | case PLL_PPLL: |
1614 | return PPLL_HZ; | |
5e79f443 | 1615 | case PCLK_RKPWM_PMU: |
da0be4e1 | 1616 | case PCLK_WDT_M0_PMU: |
5e79f443 KY |
1617 | rate = rk3399_pwm_get_clk(priv->pmucru); |
1618 | break; | |
1619 | case SCLK_I2C0_PMU: | |
1620 | case SCLK_I2C4_PMU: | |
1621 | case SCLK_I2C8_PMU: | |
1622 | rate = rk3399_i2c_get_pmuclk(priv->pmucru, clk->id); | |
1623 | break; | |
1624 | default: | |
1625 | return -ENOENT; | |
1626 | } | |
1627 | ||
1628 | return rate; | |
1629 | } | |
1630 | ||
1631 | static ulong rk3399_pmuclk_set_rate(struct clk *clk, ulong rate) | |
1632 | { | |
1633 | struct rk3399_pmuclk_priv *priv = dev_get_priv(clk->dev); | |
1634 | ulong ret = 0; | |
1635 | ||
1636 | switch (clk->id) { | |
434d5a00 PT |
1637 | case PLL_PPLL: |
1638 | /* | |
1639 | * This has already been set up and we don't want/need | |
1640 | * to change it here. Accept the request though, as the | |
1641 | * device-tree has this in an 'assigned-clocks' list. | |
1642 | */ | |
1643 | return PPLL_HZ; | |
5e79f443 KY |
1644 | case SCLK_I2C0_PMU: |
1645 | case SCLK_I2C4_PMU: | |
1646 | case SCLK_I2C8_PMU: | |
1647 | ret = rk3399_i2c_set_pmuclk(priv->pmucru, clk->id, rate); | |
1648 | break; | |
1649 | default: | |
1650 | return -ENOENT; | |
1651 | } | |
1652 | ||
1653 | return ret; | |
1654 | } | |
1655 | ||
1656 | static struct clk_ops rk3399_pmuclk_ops = { | |
1657 | .get_rate = rk3399_pmuclk_get_rate, | |
1658 | .set_rate = rk3399_pmuclk_set_rate, | |
1659 | }; | |
1660 | ||
371dc068 | 1661 | #ifndef CONFIG_XPL_BUILD |
5e79f443 KY |
1662 | static void pmuclk_init(struct rk3399_pmucru *pmucru) |
1663 | { | |
1664 | u32 pclk_div; | |
1665 | ||
1666 | /* configure pmu pll(ppll) */ | |
1667 | rkclk_set_pll(&pmucru->ppll_con[0], &ppll_init_cfg); | |
1668 | ||
1669 | /* configure pmu pclk */ | |
1670 | pclk_div = PPLL_HZ / PMU_PCLK_HZ - 1; | |
5e79f443 KY |
1671 | rk_clrsetreg(&pmucru->pmucru_clksel[0], |
1672 | PMU_PCLK_DIV_CON_MASK, | |
1673 | pclk_div << PMU_PCLK_DIV_CON_SHIFT); | |
1674 | } | |
5ae2fd97 | 1675 | #endif |
5e79f443 KY |
1676 | |
1677 | static int rk3399_pmuclk_probe(struct udevice *dev) | |
1678 | { | |
371dc068 | 1679 | #if CONFIG_IS_ENABLED(OF_PLATDATA) || !defined(CONFIG_XPL_BUILD) |
5e79f443 | 1680 | struct rk3399_pmuclk_priv *priv = dev_get_priv(dev); |
61dff33b | 1681 | #endif |
5e79f443 | 1682 | |
5ae2fd97 | 1683 | #if CONFIG_IS_ENABLED(OF_PLATDATA) |
c69cda25 | 1684 | struct rk3399_pmuclk_plat *plat = dev_get_plat(dev); |
5ae2fd97 | 1685 | |
c20ee0ed | 1686 | priv->pmucru = map_sysmem(plat->dtd.reg[0], plat->dtd.reg[1]); |
5ae2fd97 | 1687 | #endif |
5e79f443 | 1688 | |
371dc068 | 1689 | #ifndef CONFIG_XPL_BUILD |
5ae2fd97 KY |
1690 | pmuclk_init(priv->pmucru); |
1691 | #endif | |
5e79f443 KY |
1692 | return 0; |
1693 | } | |
1694 | ||
d1998a9f | 1695 | static int rk3399_pmuclk_of_to_plat(struct udevice *dev) |
5e79f443 | 1696 | { |
dcfc42b1 SG |
1697 | if (CONFIG_IS_ENABLED(OF_REAL)) { |
1698 | struct rk3399_pmuclk_priv *priv = dev_get_priv(dev); | |
1699 | ||
1700 | priv->pmucru = dev_read_addr_ptr(dev); | |
1701 | } | |
5e79f443 | 1702 | |
5e79f443 KY |
1703 | return 0; |
1704 | } | |
1705 | ||
538f67c3 EZ |
1706 | static int rk3399_pmuclk_bind(struct udevice *dev) |
1707 | { | |
957a3e54 | 1708 | #if CONFIG_IS_ENABLED(RESET_ROCKCHIP) |
538f67c3 EZ |
1709 | int ret; |
1710 | ||
1711 | ret = offsetof(struct rk3399_pmucru, pmucru_softrst_con[0]); | |
1712 | ret = rockchip_reset_bind(dev, ret, 2); | |
1713 | if (ret) | |
30850b69 | 1714 | debug("Warning: software reset driver bind failed\n"); |
538f67c3 EZ |
1715 | #endif |
1716 | return 0; | |
1717 | } | |
1718 | ||
5e79f443 KY |
1719 | static const struct udevice_id rk3399_pmuclk_ids[] = { |
1720 | { .compatible = "rockchip,rk3399-pmucru" }, | |
1721 | { } | |
1722 | }; | |
1723 | ||
c8a6bc96 | 1724 | U_BOOT_DRIVER(rockchip_rk3399_pmuclk) = { |
5ae2fd97 | 1725 | .name = "rockchip_rk3399_pmucru", |
5e79f443 KY |
1726 | .id = UCLASS_CLK, |
1727 | .of_match = rk3399_pmuclk_ids, | |
41575d8e | 1728 | .priv_auto = sizeof(struct rk3399_pmuclk_priv), |
d1998a9f | 1729 | .of_to_plat = rk3399_pmuclk_of_to_plat, |
5e79f443 KY |
1730 | .ops = &rk3399_pmuclk_ops, |
1731 | .probe = rk3399_pmuclk_probe, | |
538f67c3 | 1732 | .bind = rk3399_pmuclk_bind, |
5ae2fd97 | 1733 | #if CONFIG_IS_ENABLED(OF_PLATDATA) |
caa4daa2 | 1734 | .plat_auto = sizeof(struct rk3399_pmuclk_plat), |
5ae2fd97 | 1735 | #endif |
5e79f443 | 1736 | }; |