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Linux 4.18.10
[linux/fpc-iii.git] / drivers / clk / rockchip / clk-rk3188.c
blob67e73fd71f095c9b1164e26a5422c4d8f5edd6ee
1 /*
2 * Copyright (c) 2014 MundoReader S.L.
3 * Author: Heiko Stuebner <heiko@sntech.de>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16 #include <linux/clk.h>
17 #include <linux/clk-provider.h>
18 #include <linux/of.h>
19 #include <linux/of_address.h>
20 #include <dt-bindings/clock/rk3188-cru-common.h>
21 #include "clk.h"
22
23 #define RK3066_GRF_SOC_STATUS 0x15c
24 #define RK3188_GRF_SOC_STATUS 0xac
25
26 enum rk3188_plls {
27 apll, cpll, dpll, gpll,
28 };
29
30 static struct rockchip_pll_rate_table rk3188_pll_rates[] = {
31 RK3066_PLL_RATE(2208000000, 1, 92, 1),
32 RK3066_PLL_RATE(2184000000, 1, 91, 1),
33 RK3066_PLL_RATE(2160000000, 1, 90, 1),
34 RK3066_PLL_RATE(2136000000, 1, 89, 1),
35 RK3066_PLL_RATE(2112000000, 1, 88, 1),
36 RK3066_PLL_RATE(2088000000, 1, 87, 1),
37 RK3066_PLL_RATE(2064000000, 1, 86, 1),
38 RK3066_PLL_RATE(2040000000, 1, 85, 1),
39 RK3066_PLL_RATE(2016000000, 1, 84, 1),
40 RK3066_PLL_RATE(1992000000, 1, 83, 1),
41 RK3066_PLL_RATE(1968000000, 1, 82, 1),
42 RK3066_PLL_RATE(1944000000, 1, 81, 1),
43 RK3066_PLL_RATE(1920000000, 1, 80, 1),
44 RK3066_PLL_RATE(1896000000, 1, 79, 1),
45 RK3066_PLL_RATE(1872000000, 1, 78, 1),
46 RK3066_PLL_RATE(1848000000, 1, 77, 1),
47 RK3066_PLL_RATE(1824000000, 1, 76, 1),
48 RK3066_PLL_RATE(1800000000, 1, 75, 1),
49 RK3066_PLL_RATE(1776000000, 1, 74, 1),
50 RK3066_PLL_RATE(1752000000, 1, 73, 1),
51 RK3066_PLL_RATE(1728000000, 1, 72, 1),
52 RK3066_PLL_RATE(1704000000, 1, 71, 1),
53 RK3066_PLL_RATE(1680000000, 1, 70, 1),
54 RK3066_PLL_RATE(1656000000, 1, 69, 1),
55 RK3066_PLL_RATE(1632000000, 1, 68, 1),
56 RK3066_PLL_RATE(1608000000, 1, 67, 1),
57 RK3066_PLL_RATE(1560000000, 1, 65, 1),
58 RK3066_PLL_RATE(1512000000, 1, 63, 1),
59 RK3066_PLL_RATE(1488000000, 1, 62, 1),
60 RK3066_PLL_RATE(1464000000, 1, 61, 1),
61 RK3066_PLL_RATE(1440000000, 1, 60, 1),
62 RK3066_PLL_RATE(1416000000, 1, 59, 1),
63 RK3066_PLL_RATE(1392000000, 1, 58, 1),
64 RK3066_PLL_RATE(1368000000, 1, 57, 1),
65 RK3066_PLL_RATE(1344000000, 1, 56, 1),
66 RK3066_PLL_RATE(1320000000, 1, 55, 1),
67 RK3066_PLL_RATE(1296000000, 1, 54, 1),
68 RK3066_PLL_RATE(1272000000, 1, 53, 1),
69 RK3066_PLL_RATE(1248000000, 1, 52, 1),
70 RK3066_PLL_RATE(1224000000, 1, 51, 1),
71 RK3066_PLL_RATE(1200000000, 1, 50, 1),
72 RK3066_PLL_RATE(1188000000, 2, 99, 1),
73 RK3066_PLL_RATE(1176000000, 1, 49, 1),
74 RK3066_PLL_RATE(1128000000, 1, 47, 1),
75 RK3066_PLL_RATE(1104000000, 1, 46, 1),
76 RK3066_PLL_RATE(1008000000, 1, 84, 2),
77 RK3066_PLL_RATE( 912000000, 1, 76, 2),
78 RK3066_PLL_RATE( 891000000, 8, 594, 2),
79 RK3066_PLL_RATE( 888000000, 1, 74, 2),
80 RK3066_PLL_RATE( 816000000, 1, 68, 2),
81 RK3066_PLL_RATE( 798000000, 2, 133, 2),
82 RK3066_PLL_RATE( 792000000, 1, 66, 2),
83 RK3066_PLL_RATE( 768000000, 1, 64, 2),
84 RK3066_PLL_RATE( 742500000, 8, 495, 2),
85 RK3066_PLL_RATE( 696000000, 1, 58, 2),
86 RK3066_PLL_RATE( 600000000, 1, 50, 2),
87 RK3066_PLL_RATE( 594000000, 2, 198, 4),
88 RK3066_PLL_RATE( 552000000, 1, 46, 2),
89 RK3066_PLL_RATE( 504000000, 1, 84, 4),
90 RK3066_PLL_RATE( 456000000, 1, 76, 4),
91 RK3066_PLL_RATE( 408000000, 1, 68, 4),
92 RK3066_PLL_RATE( 400000000, 3, 100, 2),
93 RK3066_PLL_RATE( 384000000, 2, 128, 4),
94 RK3066_PLL_RATE( 360000000, 1, 60, 4),
95 RK3066_PLL_RATE( 312000000, 1, 52, 4),
96 RK3066_PLL_RATE( 300000000, 1, 50, 4),
97 RK3066_PLL_RATE( 297000000, 2, 198, 8),
98 RK3066_PLL_RATE( 252000000, 1, 84, 8),
99 RK3066_PLL_RATE( 216000000, 1, 72, 8),
100 RK3066_PLL_RATE( 148500000, 2, 99, 8),
101 RK3066_PLL_RATE( 126000000, 1, 84, 16),
102 RK3066_PLL_RATE( 48000000, 1, 64, 32),
103 { /* sentinel */ },
104 };
105
106 #define RK3066_DIV_CORE_PERIPH_MASK 0x3
107 #define RK3066_DIV_CORE_PERIPH_SHIFT 6
108 #define RK3066_DIV_ACLK_CORE_MASK 0x7
109 #define RK3066_DIV_ACLK_CORE_SHIFT 0
110 #define RK3066_DIV_ACLK_HCLK_MASK 0x3
111 #define RK3066_DIV_ACLK_HCLK_SHIFT 8
112 #define RK3066_DIV_ACLK_PCLK_MASK 0x3
113 #define RK3066_DIV_ACLK_PCLK_SHIFT 12
114 #define RK3066_DIV_AHB2APB_MASK 0x3
115 #define RK3066_DIV_AHB2APB_SHIFT 14
116
117 #define RK3066_CLKSEL0(_core_peri) \
118 { \
119 .reg = RK2928_CLKSEL_CON(0), \
120 .val = HIWORD_UPDATE(_core_peri, RK3066_DIV_CORE_PERIPH_MASK, \
121 RK3066_DIV_CORE_PERIPH_SHIFT) \
122 }
123 #define RK3066_CLKSEL1(_aclk_core, _aclk_hclk, _aclk_pclk, _ahb2apb) \
124 { \
125 .reg = RK2928_CLKSEL_CON(1), \
126 .val = HIWORD_UPDATE(_aclk_core, RK3066_DIV_ACLK_CORE_MASK, \
127 RK3066_DIV_ACLK_CORE_SHIFT) | \
128 HIWORD_UPDATE(_aclk_hclk, RK3066_DIV_ACLK_HCLK_MASK, \
129 RK3066_DIV_ACLK_HCLK_SHIFT) | \
130 HIWORD_UPDATE(_aclk_pclk, RK3066_DIV_ACLK_PCLK_MASK, \
131 RK3066_DIV_ACLK_PCLK_SHIFT) | \
132 HIWORD_UPDATE(_ahb2apb, RK3066_DIV_AHB2APB_MASK, \
133 RK3066_DIV_AHB2APB_SHIFT), \
134 }
135
136 #define RK3066_CPUCLK_RATE(_prate, _core_peri, _acore, _ahclk, _apclk, _h2p) \
137 { \
138 .prate = _prate, \
139 .divs = { \
140 RK3066_CLKSEL0(_core_peri), \
141 RK3066_CLKSEL1(_acore, _ahclk, _apclk, _h2p), \
142 }, \
143 }
144
145 static struct rockchip_cpuclk_rate_table rk3066_cpuclk_rates[] __initdata = {
146 RK3066_CPUCLK_RATE(1416000000, 2, 3, 1, 2, 1),
147 RK3066_CPUCLK_RATE(1200000000, 2, 3, 1, 2, 1),
148 RK3066_CPUCLK_RATE(1008000000, 2, 2, 1, 2, 1),
149 RK3066_CPUCLK_RATE( 816000000, 2, 2, 1, 2, 1),
150 RK3066_CPUCLK_RATE( 600000000, 1, 2, 1, 2, 1),
151 RK3066_CPUCLK_RATE( 504000000, 1, 1, 1, 2, 1),
152 RK3066_CPUCLK_RATE( 312000000, 0, 1, 1, 1, 0),
153 };
154
155 static const struct rockchip_cpuclk_reg_data rk3066_cpuclk_data = {
156 .core_reg = RK2928_CLKSEL_CON(0),
157 .div_core_shift = 0,
158 .div_core_mask = 0x1f,
159 .mux_core_alt = 1,
160 .mux_core_main = 0,
161 .mux_core_shift = 8,
162 .mux_core_mask = 0x1,
163 };
164
165 #define RK3188_DIV_ACLK_CORE_MASK 0x7
166 #define RK3188_DIV_ACLK_CORE_SHIFT 3
167
168 #define RK3188_CLKSEL1(_aclk_core) \
169 { \
170 .reg = RK2928_CLKSEL_CON(1), \
171 .val = HIWORD_UPDATE(_aclk_core, RK3188_DIV_ACLK_CORE_MASK,\
172 RK3188_DIV_ACLK_CORE_SHIFT) \
173 }
174 #define RK3188_CPUCLK_RATE(_prate, _core_peri, _aclk_core) \
175 { \
176 .prate = _prate, \
177 .divs = { \
178 RK3066_CLKSEL0(_core_peri), \
179 RK3188_CLKSEL1(_aclk_core), \
180 }, \
181 }
182
183 static struct rockchip_cpuclk_rate_table rk3188_cpuclk_rates[] __initdata = {
184 RK3188_CPUCLK_RATE(1608000000, 2, 3),
185 RK3188_CPUCLK_RATE(1416000000, 2, 3),
186 RK3188_CPUCLK_RATE(1200000000, 2, 3),
187 RK3188_CPUCLK_RATE(1008000000, 2, 3),
188 RK3188_CPUCLK_RATE( 816000000, 2, 3),
189 RK3188_CPUCLK_RATE( 600000000, 1, 3),
190 RK3188_CPUCLK_RATE( 504000000, 1, 3),
191 RK3188_CPUCLK_RATE( 312000000, 0, 1),
192 };
193
194 static const struct rockchip_cpuclk_reg_data rk3188_cpuclk_data = {
195 .core_reg = RK2928_CLKSEL_CON(0),
196 .div_core_shift = 9,
197 .div_core_mask = 0x1f,
198 .mux_core_alt = 1,
199 .mux_core_main = 0,
200 .mux_core_shift = 8,
201 .mux_core_mask = 0x1,
202 };
203
204 PNAME(mux_pll_p) = { "xin24m", "xin32k" };
205 PNAME(mux_armclk_p) = { "apll", "gpll_armclk" };
206 PNAME(mux_ddrphy_p) = { "dpll", "gpll_ddr" };
207 PNAME(mux_pll_src_gpll_cpll_p) = { "gpll", "cpll" };
208 PNAME(mux_pll_src_cpll_gpll_p) = { "cpll", "gpll" };
209 PNAME(mux_aclk_cpu_p) = { "apll", "gpll" };
210 PNAME(mux_sclk_cif0_p) = { "cif0_pre", "xin24m" };
211 PNAME(mux_sclk_i2s0_p) = { "i2s0_pre", "i2s0_frac", "xin12m" };
212 PNAME(mux_sclk_spdif_p) = { "spdif_pre", "spdif_frac", "xin12m" };
213 PNAME(mux_sclk_uart0_p) = { "uart0_pre", "uart0_frac", "xin24m" };
214 PNAME(mux_sclk_uart1_p) = { "uart1_pre", "uart1_frac", "xin24m" };
215 PNAME(mux_sclk_uart2_p) = { "uart2_pre", "uart2_frac", "xin24m" };
216 PNAME(mux_sclk_uart3_p) = { "uart3_pre", "uart3_frac", "xin24m" };
217 PNAME(mux_sclk_hsadc_p) = { "hsadc_src", "hsadc_frac", "ext_hsadc" };
218 PNAME(mux_mac_p) = { "gpll", "dpll" };
219 PNAME(mux_sclk_macref_p) = { "mac_src", "ext_rmii" };
220
221 static struct rockchip_pll_clock rk3066_pll_clks[] __initdata = {
222 [apll] = PLL(pll_rk3066, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
223 RK2928_MODE_CON, 0, 5, 0, rk3188_pll_rates),
224 [dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
225 RK2928_MODE_CON, 4, 4, 0, NULL),
226 [cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
227 RK2928_MODE_CON, 8, 6, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
228 [gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
229 RK2928_MODE_CON, 12, 7, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
230 };
231
232 static struct rockchip_pll_clock rk3188_pll_clks[] __initdata = {
233 [apll] = PLL(pll_rk3066, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
234 RK2928_MODE_CON, 0, 6, 0, rk3188_pll_rates),
235 [dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
236 RK2928_MODE_CON, 4, 5, 0, NULL),
237 [cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
238 RK2928_MODE_CON, 8, 7, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
239 [gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
240 RK2928_MODE_CON, 12, 8, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
241 };
242
243 #define MFLAGS CLK_MUX_HIWORD_MASK
244 #define DFLAGS CLK_DIVIDER_HIWORD_MASK
245 #define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE)
246 #define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK
247
248 /* 2 ^ (val + 1) */
249 static struct clk_div_table div_core_peri_t[] = {
250 { .val = 0, .div = 2 },
251 { .val = 1, .div = 4 },
252 { .val = 2, .div = 8 },
253 { .val = 3, .div = 16 },
254 { /* sentinel */ },
255 };
256
257 static struct rockchip_clk_branch common_hsadc_out_fracmux __initdata =
258 MUX(0, "sclk_hsadc_out", mux_sclk_hsadc_p, 0,
259 RK2928_CLKSEL_CON(22), 4, 2, MFLAGS);
260
261 static struct rockchip_clk_branch common_spdif_fracmux __initdata =
262 MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT,
263 RK2928_CLKSEL_CON(5), 8, 2, MFLAGS);
264
265 static struct rockchip_clk_branch common_uart0_fracmux __initdata =
266 MUX(SCLK_UART0, "sclk_uart0", mux_sclk_uart0_p, 0,
267 RK2928_CLKSEL_CON(13), 8, 2, MFLAGS);
268
269 static struct rockchip_clk_branch common_uart1_fracmux __initdata =
270 MUX(SCLK_UART1, "sclk_uart1", mux_sclk_uart1_p, 0,
271 RK2928_CLKSEL_CON(14), 8, 2, MFLAGS);
272
273 static struct rockchip_clk_branch common_uart2_fracmux __initdata =
274 MUX(SCLK_UART2, "sclk_uart2", mux_sclk_uart2_p, 0,
275 RK2928_CLKSEL_CON(15), 8, 2, MFLAGS);
276
277 static struct rockchip_clk_branch common_uart3_fracmux __initdata =
278 MUX(SCLK_UART3, "sclk_uart3", mux_sclk_uart3_p, 0,
279 RK2928_CLKSEL_CON(16), 8, 2, MFLAGS);
280
281 static struct rockchip_clk_branch common_clk_branches[] __initdata = {
282 /*
283 * Clock-Architecture Diagram 2
284 */
285
286 GATE(0, "gpll_armclk", "gpll", 0, RK2928_CLKGATE_CON(0), 1, GFLAGS),
287
288 /* these two are set by the cpuclk and should not be changed */
289 COMPOSITE_NOMUX_DIVTBL(CORE_PERI, "core_peri", "armclk", 0,
290 RK2928_CLKSEL_CON(0), 6, 2, DFLAGS | CLK_DIVIDER_READ_ONLY,
291 div_core_peri_t, RK2928_CLKGATE_CON(0), 0, GFLAGS),
292
293 COMPOSITE(ACLK_VEPU, "aclk_vepu", mux_pll_src_cpll_gpll_p, 0,
294 RK2928_CLKSEL_CON(32), 7, 1, MFLAGS, 0, 5, DFLAGS,
295 RK2928_CLKGATE_CON(3), 9, GFLAGS),
296 GATE(HCLK_VEPU, "hclk_vepu", "aclk_vepu", 0,
297 RK2928_CLKGATE_CON(3), 10, GFLAGS),
298 COMPOSITE(ACLK_VDPU, "aclk_vdpu", mux_pll_src_cpll_gpll_p, 0,
299 RK2928_CLKSEL_CON(32), 15, 1, MFLAGS, 8, 5, DFLAGS,
300 RK2928_CLKGATE_CON(3), 11, GFLAGS),
301 GATE(HCLK_VDPU, "hclk_vdpu", "aclk_vdpu", 0,
302 RK2928_CLKGATE_CON(3), 12, GFLAGS),
303
304 GATE(0, "gpll_ddr", "gpll", CLK_IGNORE_UNUSED,
305 RK2928_CLKGATE_CON(1), 7, GFLAGS),
306 COMPOSITE(0, "ddrphy", mux_ddrphy_p, CLK_IGNORE_UNUSED,
307 RK2928_CLKSEL_CON(26), 8, 1, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
308 RK2928_CLKGATE_CON(0), 2, GFLAGS),
309
310 GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_pre", 0,
311 RK2928_CLKGATE_CON(0), 3, GFLAGS),
312
313 GATE(0, "atclk_cpu", "pclk_cpu_pre", 0,
314 RK2928_CLKGATE_CON(0), 6, GFLAGS),
315 GATE(PCLK_CPU, "pclk_cpu", "pclk_cpu_pre", 0,
316 RK2928_CLKGATE_CON(0), 5, GFLAGS),
317 GATE(HCLK_CPU, "hclk_cpu", "hclk_cpu_pre", CLK_IGNORE_UNUSED,
318 RK2928_CLKGATE_CON(0), 4, GFLAGS),
319
320 COMPOSITE(0, "aclk_lcdc0_pre", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED,
321 RK2928_CLKSEL_CON(31), 7, 1, MFLAGS, 0, 5, DFLAGS,
322 RK2928_CLKGATE_CON(3), 0, GFLAGS),
323 COMPOSITE(0, "aclk_lcdc1_pre", mux_pll_src_cpll_gpll_p, 0,
324 RK2928_CLKSEL_CON(31), 15, 1, MFLAGS, 8, 5, DFLAGS,
325 RK2928_CLKGATE_CON(1), 4, GFLAGS),
326
327 GATE(ACLK_PERI, "aclk_peri", "aclk_peri_pre", 0,
328 RK2928_CLKGATE_CON(2), 1, GFLAGS),
329 COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_pre", 0,
330 RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
331 RK2928_CLKGATE_CON(2), 2, GFLAGS),
332 COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_pre", 0,
333 RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
334 RK2928_CLKGATE_CON(2), 3, GFLAGS),
335
336 MUX(0, "cif_src", mux_pll_src_cpll_gpll_p, 0,
337 RK2928_CLKSEL_CON(29), 0, 1, MFLAGS),
338 COMPOSITE_NOMUX(0, "cif0_pre", "cif_src", 0,
339 RK2928_CLKSEL_CON(29), 1, 5, DFLAGS,
340 RK2928_CLKGATE_CON(3), 7, GFLAGS),
341 MUX(SCLK_CIF0, "sclk_cif0", mux_sclk_cif0_p, 0,
342 RK2928_CLKSEL_CON(29), 7, 1, MFLAGS),
343
344 GATE(0, "pclkin_cif0", "ext_cif0", 0,
345 RK2928_CLKGATE_CON(3), 3, GFLAGS),
346 INVERTER(0, "pclk_cif0", "pclkin_cif0",
347 RK2928_CLKSEL_CON(30), 8, IFLAGS),
348
349 FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
350
351 /*
352 * the 480m are generated inside the usb block from these clocks,
353 * but they are also a source for the hsicphy clock.
354 */
355 GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin24m", CLK_IGNORE_UNUSED,
356 RK2928_CLKGATE_CON(1), 5, GFLAGS),
357 GATE(SCLK_OTGPHY1, "sclk_otgphy1", "xin24m", CLK_IGNORE_UNUSED,
358 RK2928_CLKGATE_CON(1), 6, GFLAGS),
359
360 COMPOSITE(0, "mac_src", mux_mac_p, 0,
361 RK2928_CLKSEL_CON(21), 0, 1, MFLAGS, 8, 5, DFLAGS,
362 RK2928_CLKGATE_CON(2), 5, GFLAGS),
363 MUX(SCLK_MAC, "sclk_macref", mux_sclk_macref_p, CLK_SET_RATE_PARENT,
364 RK2928_CLKSEL_CON(21), 4, 1, MFLAGS),
365 GATE(0, "sclk_mac_lbtest", "sclk_macref",
366 RK2928_CLKGATE_CON(2), 12, 0, GFLAGS),
367
368 COMPOSITE(0, "hsadc_src", mux_pll_src_gpll_cpll_p, 0,
369 RK2928_CLKSEL_CON(22), 0, 1, MFLAGS, 8, 8, DFLAGS,
370 RK2928_CLKGATE_CON(2), 6, GFLAGS),
371 COMPOSITE_FRACMUX(0, "hsadc_frac", "hsadc_src", 0,
372 RK2928_CLKSEL_CON(23), 0,
373 RK2928_CLKGATE_CON(2), 7, GFLAGS,
374 &common_hsadc_out_fracmux),
375 INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out",
376 RK2928_CLKSEL_CON(22), 7, IFLAGS),
377
378 COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
379 RK2928_CLKSEL_CON(24), 8, 8, DFLAGS,
380 RK2928_CLKGATE_CON(2), 8, GFLAGS),
381
382 COMPOSITE_NOMUX(0, "spdif_pre", "i2s_src", 0,
383 RK2928_CLKSEL_CON(5), 0, 7, DFLAGS,
384 RK2928_CLKGATE_CON(0), 13, GFLAGS),
385 COMPOSITE_FRACMUX(0, "spdif_frac", "spdif_pll", CLK_SET_RATE_PARENT,
386 RK2928_CLKSEL_CON(9), 0,
387 RK2928_CLKGATE_CON(0), 14, GFLAGS,
388 &common_spdif_fracmux),
389
390 /*
391 * Clock-Architecture Diagram 4
392 */
393
394 GATE(SCLK_SMC, "sclk_smc", "hclk_peri",
395 RK2928_CLKGATE_CON(2), 4, 0, GFLAGS),
396
397 COMPOSITE_NOMUX(SCLK_SPI0, "sclk_spi0", "pclk_peri", 0,
398 RK2928_CLKSEL_CON(25), 0, 7, DFLAGS,
399 RK2928_CLKGATE_CON(2), 9, GFLAGS),
400 COMPOSITE_NOMUX(SCLK_SPI1, "sclk_spi1", "pclk_peri", 0,
401 RK2928_CLKSEL_CON(25), 8, 7, DFLAGS,
402 RK2928_CLKGATE_CON(2), 10, GFLAGS),
403
404 COMPOSITE_NOMUX(SCLK_SDMMC, "sclk_sdmmc", "hclk_peri", 0,
405 RK2928_CLKSEL_CON(11), 0, 6, DFLAGS,
406 RK2928_CLKGATE_CON(2), 11, GFLAGS),
407 COMPOSITE_NOMUX(SCLK_SDIO, "sclk_sdio", "hclk_peri", 0,
408 RK2928_CLKSEL_CON(12), 0, 6, DFLAGS,
409 RK2928_CLKGATE_CON(2), 13, GFLAGS),
410 COMPOSITE_NOMUX(SCLK_EMMC, "sclk_emmc", "hclk_peri", 0,
411 RK2928_CLKSEL_CON(12), 8, 6, DFLAGS,
412 RK2928_CLKGATE_CON(2), 14, GFLAGS),
413
414 MUX(0, "uart_src", mux_pll_src_gpll_cpll_p, 0,
415 RK2928_CLKSEL_CON(12), 15, 1, MFLAGS),
416 COMPOSITE_NOMUX(0, "uart0_pre", "uart_src", 0,
417 RK2928_CLKSEL_CON(13), 0, 7, DFLAGS,
418 RK2928_CLKGATE_CON(1), 8, GFLAGS),
419 COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_pre", 0,
420 RK2928_CLKSEL_CON(17), 0,
421 RK2928_CLKGATE_CON(1), 9, GFLAGS,
422 &common_uart0_fracmux),
423 COMPOSITE_NOMUX(0, "uart1_pre", "uart_src", 0,
424 RK2928_CLKSEL_CON(14), 0, 7, DFLAGS,
425 RK2928_CLKGATE_CON(1), 10, GFLAGS),
426 COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_pre", 0,
427 RK2928_CLKSEL_CON(18), 0,
428 RK2928_CLKGATE_CON(1), 11, GFLAGS,
429 &common_uart1_fracmux),
430 COMPOSITE_NOMUX(0, "uart2_pre", "uart_src", 0,
431 RK2928_CLKSEL_CON(15), 0, 7, DFLAGS,
432 RK2928_CLKGATE_CON(1), 12, GFLAGS),
433 COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_pre", 0,
434 RK2928_CLKSEL_CON(19), 0,
435 RK2928_CLKGATE_CON(1), 13, GFLAGS,
436 &common_uart2_fracmux),
437 COMPOSITE_NOMUX(0, "uart3_pre", "uart_src", 0,
438 RK2928_CLKSEL_CON(16), 0, 7, DFLAGS,
439 RK2928_CLKGATE_CON(1), 14, GFLAGS),
440 COMPOSITE_FRACMUX(0, "uart3_frac", "uart3_pre", 0,
441 RK2928_CLKSEL_CON(20), 0,
442 RK2928_CLKGATE_CON(1), 15, GFLAGS,
443 &common_uart3_fracmux),
444
445 GATE(SCLK_JTAG, "jtag", "ext_jtag", 0, RK2928_CLKGATE_CON(1), 3, GFLAGS),
446
447 GATE(SCLK_TIMER0, "timer0", "xin24m", 0, RK2928_CLKGATE_CON(1), 0, GFLAGS),
448 GATE(SCLK_TIMER1, "timer1", "xin24m", 0, RK2928_CLKGATE_CON(1), 1, GFLAGS),
449
450 /* clk_core_pre gates */
451 GATE(0, "core_dbg", "armclk", 0, RK2928_CLKGATE_CON(9), 0, GFLAGS),
452
453 /* aclk_cpu gates */
454 GATE(ACLK_DMA1, "aclk_dma1", "aclk_cpu", 0, RK2928_CLKGATE_CON(5), 0, GFLAGS),
455 GATE(0, "aclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS),
456 GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS),
457
458 /* hclk_cpu gates */
459 GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", 0, RK2928_CLKGATE_CON(5), 6, GFLAGS),
460 GATE(HCLK_I2S0, "hclk_i2s0", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),
461 GATE(HCLK_SPDIF, "hclk_spdif", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 1, GFLAGS),
462 GATE(0, "hclk_cpubus", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 8, GFLAGS),
463 /* hclk_ahb2apb is part of a clk branch */
464 GATE(0, "hclk_vio_bus", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 12, GFLAGS),
465 GATE(HCLK_LCDC0, "hclk_lcdc0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 1, GFLAGS),
466 GATE(HCLK_LCDC1, "hclk_lcdc1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 2, GFLAGS),
467 GATE(HCLK_CIF0, "hclk_cif0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 4, GFLAGS),
468 GATE(HCLK_IPP, "hclk_ipp", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 9, GFLAGS),
469 GATE(HCLK_RGA, "hclk_rga", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS),
470
471 /* hclk_peri gates */
472 GATE(0, "hclk_peri_axi_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS),
473 GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 6, GFLAGS),
474 GATE(0, "hclk_emem_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 7, GFLAGS),
475 GATE(HCLK_EMAC, "hclk_emac", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS),
476 GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS),
477 GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 5, GFLAGS),
478 GATE(HCLK_OTG0, "hclk_usbotg0", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 13, GFLAGS),
479 GATE(HCLK_HSADC, "hclk_hsadc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 5, GFLAGS),
480 GATE(HCLK_PIDF, "hclk_pidfilter", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 6, GFLAGS),
481 GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS),
482 GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS),
483 GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 12, GFLAGS),
484
485 /* aclk_lcdc0_pre gates */
486 GATE(0, "aclk_vio0", "aclk_lcdc0_pre", 0, RK2928_CLKGATE_CON(6), 13, GFLAGS),
487 GATE(ACLK_LCDC0, "aclk_lcdc0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 0, GFLAGS),
488 GATE(ACLK_CIF0, "aclk_cif0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 5, GFLAGS),
489 GATE(ACLK_IPP, "aclk_ipp", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 8, GFLAGS),
490
491 /* aclk_lcdc1_pre gates */
492 GATE(0, "aclk_vio1", "aclk_lcdc1_pre", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS),
493 GATE(ACLK_LCDC1, "aclk_lcdc1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 3, GFLAGS),
494 GATE(ACLK_RGA, "aclk_rga", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 11, GFLAGS),
495
496 /* atclk_cpu gates */
497 GATE(0, "atclk", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 3, GFLAGS),
498 GATE(0, "trace", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS),
499
500 /* pclk_cpu gates */
501 GATE(PCLK_PWM01, "pclk_pwm01", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS),
502 GATE(PCLK_TIMER0, "pclk_timer0", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 7, GFLAGS),
503 GATE(PCLK_I2C0, "pclk_i2c0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS),
504 GATE(PCLK_I2C1, "pclk_i2c1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS),
505 GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS),
506 GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS),
507 GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS),
508 GATE(PCLK_EFUSE, "pclk_efuse", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS),
509 GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 3, GFLAGS),
510 GATE(PCLK_DDRUPCTL, "pclk_ddrupctl", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 7, GFLAGS),
511 GATE(PCLK_PUBL, "pclk_ddrpubl", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS),
512 GATE(0, "pclk_dbg", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 1, GFLAGS),
513 GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS),
514 GATE(PCLK_PMU, "pclk_pmu", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 5, GFLAGS),
515
516 /* aclk_peri */
517 GATE(ACLK_DMA2, "aclk_dma2", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS),
518 GATE(ACLK_SMC, "aclk_smc", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 8, GFLAGS),
519 GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 4, GFLAGS),
520 GATE(0, "aclk_cpu_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS),
521 GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS),
522
523 /* pclk_peri gates */
524 GATE(0, "pclk_peri_axi_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS),
525 GATE(PCLK_PWM23, "pclk_pwm23", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 11, GFLAGS),
526 GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
527 GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS),
528 GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 13, GFLAGS),
529 GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS),
530 GATE(PCLK_UART3, "pclk_uart3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 3, GFLAGS),
531 GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS),
532 GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS),
533 GATE(PCLK_I2C4, "pclk_i2c4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 8, GFLAGS),
534 GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS),
535 GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS),
536 };
537
538 PNAME(mux_rk3066_lcdc0_p) = { "dclk_lcdc0_src", "xin27m" };
539 PNAME(mux_rk3066_lcdc1_p) = { "dclk_lcdc1_src", "xin27m" };
540 PNAME(mux_sclk_cif1_p) = { "cif1_pre", "xin24m" };
541 PNAME(mux_sclk_i2s1_p) = { "i2s1_pre", "i2s1_frac", "xin12m" };
542 PNAME(mux_sclk_i2s2_p) = { "i2s2_pre", "i2s2_frac", "xin12m" };
543
544 static struct clk_div_table div_aclk_cpu_t[] = {
545 { .val = 0, .div = 1 },
546 { .val = 1, .div = 2 },
547 { .val = 2, .div = 3 },
548 { .val = 3, .div = 4 },
549 { .val = 4, .div = 8 },
550 { /* sentinel */ },
551 };
552
553 static struct rockchip_clk_branch rk3066a_i2s0_fracmux __initdata =
554 MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0,
555 RK2928_CLKSEL_CON(2), 8, 2, MFLAGS);
556
557 static struct rockchip_clk_branch rk3066a_i2s1_fracmux __initdata =
558 MUX(SCLK_I2S1, "sclk_i2s1", mux_sclk_i2s1_p, 0,
559 RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
560
561 static struct rockchip_clk_branch rk3066a_i2s2_fracmux __initdata =
562 MUX(SCLK_I2S2, "sclk_i2s2", mux_sclk_i2s2_p, 0,
563 RK2928_CLKSEL_CON(4), 8, 2, MFLAGS);
564
565 static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = {
566 DIVTBL(0, "aclk_cpu_pre", "armclk", 0,
567 RK2928_CLKSEL_CON(1), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, div_aclk_cpu_t),
568 DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
569 RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
570 | CLK_DIVIDER_READ_ONLY),
571 DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
572 RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
573 | CLK_DIVIDER_READ_ONLY),
574 COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
575 RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
576 | CLK_DIVIDER_READ_ONLY,
577 RK2928_CLKGATE_CON(4), 9, GFLAGS),
578
579 GATE(CORE_L2C, "core_l2c", "aclk_cpu", CLK_IGNORE_UNUSED,
580 RK2928_CLKGATE_CON(9), 4, GFLAGS),
581
582 COMPOSITE(0, "aclk_peri_pre", mux_pll_src_gpll_cpll_p, 0,
583 RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
584 RK2928_CLKGATE_CON(2), 0, GFLAGS),
585
586 COMPOSITE(0, "dclk_lcdc0_src", mux_pll_src_cpll_gpll_p, 0,
587 RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
588 RK2928_CLKGATE_CON(3), 1, GFLAGS),
589 MUX(DCLK_LCDC0, "dclk_lcdc0", mux_rk3066_lcdc0_p, 0,
590 RK2928_CLKSEL_CON(27), 4, 1, MFLAGS),
591 COMPOSITE(0, "dclk_lcdc1_src", mux_pll_src_cpll_gpll_p, 0,
592 RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
593 RK2928_CLKGATE_CON(3), 2, GFLAGS),
594 MUX(DCLK_LCDC1, "dclk_lcdc1", mux_rk3066_lcdc1_p, 0,
595 RK2928_CLKSEL_CON(28), 4, 1, MFLAGS),
596
597 COMPOSITE_NOMUX(0, "cif1_pre", "cif_src", 0,
598 RK2928_CLKSEL_CON(29), 8, 5, DFLAGS,
599 RK2928_CLKGATE_CON(3), 8, GFLAGS),
600 MUX(SCLK_CIF1, "sclk_cif1", mux_sclk_cif1_p, 0,
601 RK2928_CLKSEL_CON(29), 15, 1, MFLAGS),
602
603 GATE(0, "pclkin_cif1", "ext_cif1", 0,
604 RK2928_CLKGATE_CON(3), 4, GFLAGS),
605 INVERTER(0, "pclk_cif1", "pclkin_cif1",
606 RK2928_CLKSEL_CON(30), 12, IFLAGS),
607
608 COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
609 RK2928_CLKSEL_CON(33), 8, 1, MFLAGS, 0, 5, DFLAGS,
610 RK2928_CLKGATE_CON(3), 13, GFLAGS),
611 GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
612 RK2928_CLKGATE_CON(5), 15, GFLAGS),
613
614 GATE(SCLK_TIMER2, "timer2", "xin24m", 0,
615 RK2928_CLKGATE_CON(3), 2, GFLAGS),
616
617 COMPOSITE_NOMUX(SCLK_TSADC, "sclk_tsadc", "xin24m", 0,
618 RK2928_CLKSEL_CON(34), 0, 16, DFLAGS,
619 RK2928_CLKGATE_CON(2), 15, GFLAGS),
620
621 MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
622 RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
623 COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
624 RK2928_CLKSEL_CON(2), 0, 7, DFLAGS,
625 RK2928_CLKGATE_CON(0), 7, GFLAGS),
626 COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", 0,
627 RK2928_CLKSEL_CON(6), 0,
628 RK2928_CLKGATE_CON(0), 8, GFLAGS,
629 &rk3066a_i2s0_fracmux),
630 COMPOSITE_NOMUX(0, "i2s1_pre", "i2s_src", 0,
631 RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
632 RK2928_CLKGATE_CON(0), 9, GFLAGS),
633 COMPOSITE_FRACMUX(0, "i2s1_frac", "i2s1_pre", 0,
634 RK2928_CLKSEL_CON(7), 0,
635 RK2928_CLKGATE_CON(0), 10, GFLAGS,
636 &rk3066a_i2s1_fracmux),
637 COMPOSITE_NOMUX(0, "i2s2_pre", "i2s_src", 0,
638 RK2928_CLKSEL_CON(4), 0, 7, DFLAGS,
639 RK2928_CLKGATE_CON(0), 11, GFLAGS),
640 COMPOSITE_FRACMUX(0, "i2s2_frac", "i2s2_pre", 0,
641 RK2928_CLKSEL_CON(8), 0,
642 RK2928_CLKGATE_CON(0), 12, GFLAGS,
643 &rk3066a_i2s2_fracmux),
644
645 GATE(HCLK_I2S1, "hclk_i2s1", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS),
646 GATE(HCLK_I2S2, "hclk_i2s2", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
647 GATE(HCLK_CIF1, "hclk_cif1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 6, GFLAGS),
648 GATE(0, "hclk_hdmi", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
649
650 GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
651 RK2928_CLKGATE_CON(5), 14, GFLAGS),
652
653 GATE(ACLK_CIF1, "aclk_cif1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 7, GFLAGS),
654
655 GATE(PCLK_TIMER1, "pclk_timer1", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 8, GFLAGS),
656 GATE(PCLK_TIMER2, "pclk_timer2", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
657 GATE(PCLK_GPIO6, "pclk_gpio6", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 15, GFLAGS),
658 GATE(PCLK_UART0, "pclk_uart0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
659 GATE(PCLK_UART1, "pclk_uart1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
660
661 GATE(PCLK_GPIO4, "pclk_gpio4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
662 GATE(PCLK_TSADC, "pclk_tsadc", "pclk_peri", 0, RK2928_CLKGATE_CON(4), 13, GFLAGS),
663 };
664
665 static struct clk_div_table div_rk3188_aclk_core_t[] = {
666 { .val = 0, .div = 1 },
667 { .val = 1, .div = 2 },
668 { .val = 2, .div = 3 },
669 { .val = 3, .div = 4 },
670 { .val = 4, .div = 8 },
671 { /* sentinel */ },
672 };
673
674 PNAME(mux_hsicphy_p) = { "sclk_otgphy0_480m", "sclk_otgphy1_480m",
675 "gpll", "cpll" };
676
677 static struct rockchip_clk_branch rk3188_i2s0_fracmux __initdata =
678 MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, CLK_SET_RATE_PARENT,
679 RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
680
681 static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
682 COMPOSITE_NOMUX_DIVTBL(0, "aclk_core", "armclk", CLK_IGNORE_UNUSED,
683 RK2928_CLKSEL_CON(1), 3, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
684 div_rk3188_aclk_core_t, RK2928_CLKGATE_CON(0), 7, GFLAGS),
685
686 /* do not source aclk_cpu_pre from the apll, to keep complexity down */
687 COMPOSITE_NOGATE(0, "aclk_cpu_pre", mux_aclk_cpu_p, CLK_SET_RATE_NO_REPARENT,
688 RK2928_CLKSEL_CON(0), 5, 1, MFLAGS, 0, 5, DFLAGS),
689 DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
690 RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
691 DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
692 RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
693 COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
694 RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
695 RK2928_CLKGATE_CON(4), 9, GFLAGS),
696
697 GATE(CORE_L2C, "core_l2c", "armclk", CLK_IGNORE_UNUSED,
698 RK2928_CLKGATE_CON(9), 4, GFLAGS),
699
700 COMPOSITE(0, "aclk_peri_pre", mux_pll_src_cpll_gpll_p, 0,
701 RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
702 RK2928_CLKGATE_CON(2), 0, GFLAGS),
703
704 COMPOSITE(DCLK_LCDC0, "dclk_lcdc0", mux_pll_src_cpll_gpll_p, 0,
705 RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
706 RK2928_CLKGATE_CON(3), 1, GFLAGS),
707 COMPOSITE(DCLK_LCDC1, "dclk_lcdc1", mux_pll_src_cpll_gpll_p, 0,
708 RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
709 RK2928_CLKGATE_CON(3), 2, GFLAGS),
710
711 COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
712 RK2928_CLKSEL_CON(34), 7, 1, MFLAGS, 0, 5, DFLAGS,
713 RK2928_CLKGATE_CON(3), 15, GFLAGS),
714 GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
715 RK2928_CLKGATE_CON(9), 7, GFLAGS),
716
717 GATE(SCLK_TIMER2, "timer2", "xin24m", 0, RK2928_CLKGATE_CON(3), 4, GFLAGS),
718 GATE(SCLK_TIMER3, "timer3", "xin24m", 0, RK2928_CLKGATE_CON(1), 2, GFLAGS),
719 GATE(SCLK_TIMER4, "timer4", "xin24m", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
720 GATE(SCLK_TIMER5, "timer5", "xin24m", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
721 GATE(SCLK_TIMER6, "timer6", "xin24m", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
722
723 COMPOSITE_NODIV(0, "sclk_hsicphy_480m", mux_hsicphy_p, 0,
724 RK2928_CLKSEL_CON(30), 0, 2, DFLAGS,
725 RK2928_CLKGATE_CON(3), 6, GFLAGS),
726 DIV(0, "sclk_hsicphy_12m", "sclk_hsicphy_480m", 0,
727 RK2928_CLKSEL_CON(11), 8, 6, DFLAGS),
728
729 MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
730 RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
731 COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
732 RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
733 RK2928_CLKGATE_CON(0), 9, GFLAGS),
734 COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", CLK_SET_RATE_PARENT,
735 RK2928_CLKSEL_CON(7), 0,
736 RK2928_CLKGATE_CON(0), 10, GFLAGS,
737 &rk3188_i2s0_fracmux),
738
739 GATE(0, "hclk_imem0", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
740 GATE(0, "hclk_imem1", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 15, GFLAGS),
741
742 GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
743 RK2928_CLKGATE_CON(7), 3, GFLAGS),
744 GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
745
746 GATE(PCLK_TIMER3, "pclk_timer3", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
747
748 GATE(PCLK_UART0, "pclk_uart0", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
749 GATE(PCLK_UART1, "pclk_uart1", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
750
751 GATE(ACLK_GPS, "aclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
752 };
753
754 static const char *const rk3188_critical_clocks[] __initconst = {
755 "aclk_cpu",
756 "aclk_peri",
757 "hclk_peri",
758 "pclk_cpu",
759 "pclk_peri",
760 "hclk_cpubus"
761 };
762
763 static struct rockchip_clk_provider *__init rk3188_common_clk_init(struct device_node *np)
764 {
765 struct rockchip_clk_provider *ctx;
766 void __iomem *reg_base;
767
768 reg_base = of_iomap(np, 0);
769 if (!reg_base) {
770 pr_err("%s: could not map cru region\n", __func__);
771 return ERR_PTR(-ENOMEM);
772 }
773
774 ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
775 if (IS_ERR(ctx)) {
776 pr_err("%s: rockchip clk init failed\n", __func__);
777 iounmap(reg_base);
778 return ERR_PTR(-ENOMEM);
779 }
780
781 rockchip_clk_register_branches(ctx, common_clk_branches,
782 ARRAY_SIZE(common_clk_branches));
783
784 rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
785 ROCKCHIP_SOFTRST_HIWORD_MASK);
786
787 rockchip_register_restart_notifier(ctx, RK2928_GLB_SRST_FST, NULL);
788
789 return ctx;
790 }
791
792 static void __init rk3066a_clk_init(struct device_node *np)
793 {
794 struct rockchip_clk_provider *ctx;
795
796 ctx = rk3188_common_clk_init(np);
797 if (IS_ERR(ctx))
798 return;
799
800 rockchip_clk_register_plls(ctx, rk3066_pll_clks,
801 ARRAY_SIZE(rk3066_pll_clks),
802 RK3066_GRF_SOC_STATUS);
803 rockchip_clk_register_branches(ctx, rk3066a_clk_branches,
804 ARRAY_SIZE(rk3066a_clk_branches));
805 rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
806 mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
807 &rk3066_cpuclk_data, rk3066_cpuclk_rates,
808 ARRAY_SIZE(rk3066_cpuclk_rates));
809 rockchip_clk_protect_critical(rk3188_critical_clocks,
810 ARRAY_SIZE(rk3188_critical_clocks));
811 rockchip_clk_of_add_provider(np, ctx);
812 }
813 CLK_OF_DECLARE(rk3066a_cru, "rockchip,rk3066a-cru", rk3066a_clk_init);
814
815 static void __init rk3188a_clk_init(struct device_node *np)
816 {
817 struct rockchip_clk_provider *ctx;
818 struct clk *clk1, *clk2;
819 unsigned long rate;
820 int ret;
821
822 ctx = rk3188_common_clk_init(np);
823 if (IS_ERR(ctx))
824 return;
825
826 rockchip_clk_register_plls(ctx, rk3188_pll_clks,
827 ARRAY_SIZE(rk3188_pll_clks),
828 RK3188_GRF_SOC_STATUS);
829 rockchip_clk_register_branches(ctx, rk3188_clk_branches,
830 ARRAY_SIZE(rk3188_clk_branches));
831 rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
832 mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
833 &rk3188_cpuclk_data, rk3188_cpuclk_rates,
834 ARRAY_SIZE(rk3188_cpuclk_rates));
835
836 /* reparent aclk_cpu_pre from apll */
837 clk1 = __clk_lookup("aclk_cpu_pre");
838 clk2 = __clk_lookup("gpll");
839 if (clk1 && clk2) {
840 rate = clk_get_rate(clk1);
841
842 ret = clk_set_parent(clk1, clk2);
843 if (ret < 0)
844 pr_warn("%s: could not reparent aclk_cpu_pre to gpll\n",
845 __func__);
846
847 clk_set_rate(clk1, rate);
848 } else {
849 pr_warn("%s: missing clocks to reparent aclk_cpu_pre to gpll\n",
850 __func__);
851 }
852
853 rockchip_clk_protect_critical(rk3188_critical_clocks,
854 ARRAY_SIZE(rk3188_critical_clocks));
855 rockchip_clk_of_add_provider(np, ctx);
856 }
857 CLK_OF_DECLARE(rk3188a_cru, "rockchip,rk3188a-cru", rk3188a_clk_init);
858
859 static void __init rk3188_clk_init(struct device_node *np)
860 {
861 int i;
862
863 for (i = 0; i < ARRAY_SIZE(rk3188_pll_clks); i++) {
864 struct rockchip_pll_clock *pll = &rk3188_pll_clks[i];
865 struct rockchip_pll_rate_table *rate;
866
867 if (!pll->rate_table)
868 continue;
869
870 rate = pll->rate_table;
871 while (rate->rate > 0) {
872 rate->nb = 1;
873 rate++;
874 }
875 }
876
877 rk3188a_clk_init(np);
878 }
879 CLK_OF_DECLARE(rk3188_cru, "rockchip,rk3188-cru", rk3188_clk_init);
Linux with added FPC-III support