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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / clk / rockchip / clk-rk3188.c
blob77aebfb1d6d5b0cfaebd5b42c932ee24e12ab0cc
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 2014 MundoReader S.L.
4 * Author: Heiko Stuebner <heiko@sntech.de>
5 */
6
7 #include <linux/clk.h>
8 #include <linux/clk-provider.h>
9 #include <linux/io.h>
10 #include <linux/of.h>
11 #include <linux/of_address.h>
12 #include <dt-bindings/clock/rk3188-cru-common.h>
13 #include "clk.h"
14
15 #define RK3066_GRF_SOC_STATUS 0x15c
16 #define RK3188_GRF_SOC_STATUS 0xac
17
18 enum rk3188_plls {
19 apll, cpll, dpll, gpll,
20 };
21
22 static struct rockchip_pll_rate_table rk3188_pll_rates[] = {
23 RK3066_PLL_RATE(2208000000, 1, 92, 1),
24 RK3066_PLL_RATE(2184000000, 1, 91, 1),
25 RK3066_PLL_RATE(2160000000, 1, 90, 1),
26 RK3066_PLL_RATE(2136000000, 1, 89, 1),
27 RK3066_PLL_RATE(2112000000, 1, 88, 1),
28 RK3066_PLL_RATE(2088000000, 1, 87, 1),
29 RK3066_PLL_RATE(2064000000, 1, 86, 1),
30 RK3066_PLL_RATE(2040000000, 1, 85, 1),
31 RK3066_PLL_RATE(2016000000, 1, 84, 1),
32 RK3066_PLL_RATE(1992000000, 1, 83, 1),
33 RK3066_PLL_RATE(1968000000, 1, 82, 1),
34 RK3066_PLL_RATE(1944000000, 1, 81, 1),
35 RK3066_PLL_RATE(1920000000, 1, 80, 1),
36 RK3066_PLL_RATE(1896000000, 1, 79, 1),
37 RK3066_PLL_RATE(1872000000, 1, 78, 1),
38 RK3066_PLL_RATE(1848000000, 1, 77, 1),
39 RK3066_PLL_RATE(1824000000, 1, 76, 1),
40 RK3066_PLL_RATE(1800000000, 1, 75, 1),
41 RK3066_PLL_RATE(1776000000, 1, 74, 1),
42 RK3066_PLL_RATE(1752000000, 1, 73, 1),
43 RK3066_PLL_RATE(1728000000, 1, 72, 1),
44 RK3066_PLL_RATE(1704000000, 1, 71, 1),
45 RK3066_PLL_RATE(1680000000, 1, 70, 1),
46 RK3066_PLL_RATE(1656000000, 1, 69, 1),
47 RK3066_PLL_RATE(1632000000, 1, 68, 1),
48 RK3066_PLL_RATE(1608000000, 1, 67, 1),
49 RK3066_PLL_RATE(1560000000, 1, 65, 1),
50 RK3066_PLL_RATE(1512000000, 1, 63, 1),
51 RK3066_PLL_RATE(1488000000, 1, 62, 1),
52 RK3066_PLL_RATE(1464000000, 1, 61, 1),
53 RK3066_PLL_RATE(1440000000, 1, 60, 1),
54 RK3066_PLL_RATE(1416000000, 1, 59, 1),
55 RK3066_PLL_RATE(1392000000, 1, 58, 1),
56 RK3066_PLL_RATE(1368000000, 1, 57, 1),
57 RK3066_PLL_RATE(1344000000, 1, 56, 1),
58 RK3066_PLL_RATE(1320000000, 1, 55, 1),
59 RK3066_PLL_RATE(1296000000, 1, 54, 1),
60 RK3066_PLL_RATE(1272000000, 1, 53, 1),
61 RK3066_PLL_RATE(1248000000, 1, 52, 1),
62 RK3066_PLL_RATE(1224000000, 1, 51, 1),
63 RK3066_PLL_RATE(1200000000, 1, 50, 1),
64 RK3066_PLL_RATE(1188000000, 2, 99, 1),
65 RK3066_PLL_RATE(1176000000, 1, 49, 1),
66 RK3066_PLL_RATE(1128000000, 1, 47, 1),
67 RK3066_PLL_RATE(1104000000, 1, 46, 1),
68 RK3066_PLL_RATE(1008000000, 1, 84, 2),
69 RK3066_PLL_RATE( 912000000, 1, 76, 2),
70 RK3066_PLL_RATE( 891000000, 8, 594, 2),
71 RK3066_PLL_RATE( 888000000, 1, 74, 2),
72 RK3066_PLL_RATE( 816000000, 1, 68, 2),
73 RK3066_PLL_RATE( 798000000, 2, 133, 2),
74 RK3066_PLL_RATE( 792000000, 1, 66, 2),
75 RK3066_PLL_RATE( 768000000, 1, 64, 2),
76 RK3066_PLL_RATE( 742500000, 8, 495, 2),
77 RK3066_PLL_RATE( 696000000, 1, 58, 2),
78 RK3066_PLL_RATE( 600000000, 1, 50, 2),
79 RK3066_PLL_RATE( 594000000, 2, 198, 4),
80 RK3066_PLL_RATE( 552000000, 1, 46, 2),
81 RK3066_PLL_RATE( 504000000, 1, 84, 4),
82 RK3066_PLL_RATE( 456000000, 1, 76, 4),
83 RK3066_PLL_RATE( 408000000, 1, 68, 4),
84 RK3066_PLL_RATE( 400000000, 3, 100, 2),
85 RK3066_PLL_RATE( 384000000, 2, 128, 4),
86 RK3066_PLL_RATE( 360000000, 1, 60, 4),
87 RK3066_PLL_RATE( 312000000, 1, 52, 4),
88 RK3066_PLL_RATE( 300000000, 1, 50, 4),
89 RK3066_PLL_RATE( 297000000, 2, 198, 8),
90 RK3066_PLL_RATE( 252000000, 1, 84, 8),
91 RK3066_PLL_RATE( 216000000, 1, 72, 8),
92 RK3066_PLL_RATE( 148500000, 2, 99, 8),
93 RK3066_PLL_RATE( 126000000, 1, 84, 16),
94 RK3066_PLL_RATE( 48000000, 1, 64, 32),
95 { /* sentinel */ },
96 };
97
98 #define RK3066_DIV_CORE_PERIPH_MASK 0x3
99 #define RK3066_DIV_CORE_PERIPH_SHIFT 6
100 #define RK3066_DIV_ACLK_CORE_MASK 0x7
101 #define RK3066_DIV_ACLK_CORE_SHIFT 0
102 #define RK3066_DIV_ACLK_HCLK_MASK 0x3
103 #define RK3066_DIV_ACLK_HCLK_SHIFT 8
104 #define RK3066_DIV_ACLK_PCLK_MASK 0x3
105 #define RK3066_DIV_ACLK_PCLK_SHIFT 12
106 #define RK3066_DIV_AHB2APB_MASK 0x3
107 #define RK3066_DIV_AHB2APB_SHIFT 14
108
109 #define RK3066_CLKSEL0(_core_peri) \
110 { \
111 .reg = RK2928_CLKSEL_CON(0), \
112 .val = HIWORD_UPDATE(_core_peri, RK3066_DIV_CORE_PERIPH_MASK, \
113 RK3066_DIV_CORE_PERIPH_SHIFT) \
114 }
115 #define RK3066_CLKSEL1(_aclk_core, _aclk_hclk, _aclk_pclk, _ahb2apb) \
116 { \
117 .reg = RK2928_CLKSEL_CON(1), \
118 .val = HIWORD_UPDATE(_aclk_core, RK3066_DIV_ACLK_CORE_MASK, \
119 RK3066_DIV_ACLK_CORE_SHIFT) | \
120 HIWORD_UPDATE(_aclk_hclk, RK3066_DIV_ACLK_HCLK_MASK, \
121 RK3066_DIV_ACLK_HCLK_SHIFT) | \
122 HIWORD_UPDATE(_aclk_pclk, RK3066_DIV_ACLK_PCLK_MASK, \
123 RK3066_DIV_ACLK_PCLK_SHIFT) | \
124 HIWORD_UPDATE(_ahb2apb, RK3066_DIV_AHB2APB_MASK, \
125 RK3066_DIV_AHB2APB_SHIFT), \
126 }
127
128 #define RK3066_CPUCLK_RATE(_prate, _core_peri, _acore, _ahclk, _apclk, _h2p) \
129 { \
130 .prate = _prate, \
131 .divs = { \
132 RK3066_CLKSEL0(_core_peri), \
133 RK3066_CLKSEL1(_acore, _ahclk, _apclk, _h2p), \
134 }, \
135 }
136
137 static struct rockchip_cpuclk_rate_table rk3066_cpuclk_rates[] __initdata = {
138 RK3066_CPUCLK_RATE(1416000000, 2, 3, 1, 2, 1),
139 RK3066_CPUCLK_RATE(1200000000, 2, 3, 1, 2, 1),
140 RK3066_CPUCLK_RATE(1008000000, 2, 2, 1, 2, 1),
141 RK3066_CPUCLK_RATE( 816000000, 2, 2, 1, 2, 1),
142 RK3066_CPUCLK_RATE( 600000000, 1, 2, 1, 2, 1),
143 RK3066_CPUCLK_RATE( 504000000, 1, 1, 1, 2, 1),
144 RK3066_CPUCLK_RATE( 312000000, 0, 1, 1, 1, 0),
145 };
146
147 static const struct rockchip_cpuclk_reg_data rk3066_cpuclk_data = {
148 .core_reg = RK2928_CLKSEL_CON(0),
149 .div_core_shift = 0,
150 .div_core_mask = 0x1f,
151 .mux_core_alt = 1,
152 .mux_core_main = 0,
153 .mux_core_shift = 8,
154 .mux_core_mask = 0x1,
155 };
156
157 #define RK3188_DIV_ACLK_CORE_MASK 0x7
158 #define RK3188_DIV_ACLK_CORE_SHIFT 3
159
160 #define RK3188_CLKSEL1(_aclk_core) \
161 { \
162 .reg = RK2928_CLKSEL_CON(1), \
163 .val = HIWORD_UPDATE(_aclk_core, RK3188_DIV_ACLK_CORE_MASK,\
164 RK3188_DIV_ACLK_CORE_SHIFT) \
165 }
166 #define RK3188_CPUCLK_RATE(_prate, _core_peri, _aclk_core) \
167 { \
168 .prate = _prate, \
169 .divs = { \
170 RK3066_CLKSEL0(_core_peri), \
171 RK3188_CLKSEL1(_aclk_core), \
172 }, \
173 }
174
175 static struct rockchip_cpuclk_rate_table rk3188_cpuclk_rates[] __initdata = {
176 RK3188_CPUCLK_RATE(1608000000, 2, 3),
177 RK3188_CPUCLK_RATE(1416000000, 2, 3),
178 RK3188_CPUCLK_RATE(1200000000, 2, 3),
179 RK3188_CPUCLK_RATE(1008000000, 2, 3),
180 RK3188_CPUCLK_RATE( 816000000, 2, 3),
181 RK3188_CPUCLK_RATE( 600000000, 1, 3),
182 RK3188_CPUCLK_RATE( 504000000, 1, 3),
183 RK3188_CPUCLK_RATE( 312000000, 0, 1),
184 };
185
186 static const struct rockchip_cpuclk_reg_data rk3188_cpuclk_data = {
187 .core_reg = RK2928_CLKSEL_CON(0),
188 .div_core_shift = 9,
189 .div_core_mask = 0x1f,
190 .mux_core_alt = 1,
191 .mux_core_main = 0,
192 .mux_core_shift = 8,
193 .mux_core_mask = 0x1,
194 };
195
196 PNAME(mux_pll_p) = { "xin24m", "xin32k" };
197 PNAME(mux_armclk_p) = { "apll", "gpll_armclk" };
198 PNAME(mux_ddrphy_p) = { "dpll", "gpll_ddr" };
199 PNAME(mux_pll_src_gpll_cpll_p) = { "gpll", "cpll" };
200 PNAME(mux_pll_src_cpll_gpll_p) = { "cpll", "gpll" };
201 PNAME(mux_aclk_cpu_p) = { "apll", "gpll" };
202 PNAME(mux_sclk_cif0_p) = { "cif0_pre", "xin24m" };
203 PNAME(mux_sclk_i2s0_p) = { "i2s0_pre", "i2s0_frac", "xin12m" };
204 PNAME(mux_sclk_spdif_p) = { "spdif_pre", "spdif_frac", "xin12m" };
205 PNAME(mux_sclk_uart0_p) = { "uart0_pre", "uart0_frac", "xin24m" };
206 PNAME(mux_sclk_uart1_p) = { "uart1_pre", "uart1_frac", "xin24m" };
207 PNAME(mux_sclk_uart2_p) = { "uart2_pre", "uart2_frac", "xin24m" };
208 PNAME(mux_sclk_uart3_p) = { "uart3_pre", "uart3_frac", "xin24m" };
209 PNAME(mux_sclk_hsadc_p) = { "hsadc_src", "hsadc_frac", "ext_hsadc" };
210 PNAME(mux_mac_p) = { "gpll", "dpll" };
211 PNAME(mux_sclk_macref_p) = { "mac_src", "ext_rmii" };
212
213 static struct rockchip_pll_clock rk3066_pll_clks[] __initdata = {
214 [apll] = PLL(pll_rk3066, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
215 RK2928_MODE_CON, 0, 5, 0, rk3188_pll_rates),
216 [dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
217 RK2928_MODE_CON, 4, 4, 0, NULL),
218 [cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
219 RK2928_MODE_CON, 8, 6, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
220 [gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
221 RK2928_MODE_CON, 12, 7, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
222 };
223
224 static struct rockchip_pll_clock rk3188_pll_clks[] __initdata = {
225 [apll] = PLL(pll_rk3066, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
226 RK2928_MODE_CON, 0, 6, 0, rk3188_pll_rates),
227 [dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
228 RK2928_MODE_CON, 4, 5, 0, NULL),
229 [cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
230 RK2928_MODE_CON, 8, 7, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
231 [gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
232 RK2928_MODE_CON, 12, 8, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
233 };
234
235 #define MFLAGS CLK_MUX_HIWORD_MASK
236 #define DFLAGS CLK_DIVIDER_HIWORD_MASK
237 #define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE)
238 #define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK
239
240 /* 2 ^ (val + 1) */
241 static struct clk_div_table div_core_peri_t[] = {
242 { .val = 0, .div = 2 },
243 { .val = 1, .div = 4 },
244 { .val = 2, .div = 8 },
245 { .val = 3, .div = 16 },
246 { /* sentinel */ },
247 };
248
249 static struct rockchip_clk_branch common_hsadc_out_fracmux __initdata =
250 MUX(0, "sclk_hsadc_out", mux_sclk_hsadc_p, 0,
251 RK2928_CLKSEL_CON(22), 4, 2, MFLAGS);
252
253 static struct rockchip_clk_branch common_spdif_fracmux __initdata =
254 MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT,
255 RK2928_CLKSEL_CON(5), 8, 2, MFLAGS);
256
257 static struct rockchip_clk_branch common_uart0_fracmux __initdata =
258 MUX(SCLK_UART0, "sclk_uart0", mux_sclk_uart0_p, 0,
259 RK2928_CLKSEL_CON(13), 8, 2, MFLAGS);
260
261 static struct rockchip_clk_branch common_uart1_fracmux __initdata =
262 MUX(SCLK_UART1, "sclk_uart1", mux_sclk_uart1_p, 0,
263 RK2928_CLKSEL_CON(14), 8, 2, MFLAGS);
264
265 static struct rockchip_clk_branch common_uart2_fracmux __initdata =
266 MUX(SCLK_UART2, "sclk_uart2", mux_sclk_uart2_p, 0,
267 RK2928_CLKSEL_CON(15), 8, 2, MFLAGS);
268
269 static struct rockchip_clk_branch common_uart3_fracmux __initdata =
270 MUX(SCLK_UART3, "sclk_uart3", mux_sclk_uart3_p, 0,
271 RK2928_CLKSEL_CON(16), 8, 2, MFLAGS);
272
273 static struct rockchip_clk_branch common_clk_branches[] __initdata = {
274 /*
275 * Clock-Architecture Diagram 2
276 */
277
278 GATE(0, "gpll_armclk", "gpll", 0, RK2928_CLKGATE_CON(0), 1, GFLAGS),
279
280 /* these two are set by the cpuclk and should not be changed */
281 COMPOSITE_NOMUX_DIVTBL(CORE_PERI, "core_peri", "armclk", 0,
282 RK2928_CLKSEL_CON(0), 6, 2, DFLAGS | CLK_DIVIDER_READ_ONLY,
283 div_core_peri_t, RK2928_CLKGATE_CON(0), 0, GFLAGS),
284
285 COMPOSITE(ACLK_VEPU, "aclk_vepu", mux_pll_src_cpll_gpll_p, 0,
286 RK2928_CLKSEL_CON(32), 7, 1, MFLAGS, 0, 5, DFLAGS,
287 RK2928_CLKGATE_CON(3), 9, GFLAGS),
288 GATE(HCLK_VEPU, "hclk_vepu", "aclk_vepu", 0,
289 RK2928_CLKGATE_CON(3), 10, GFLAGS),
290 COMPOSITE(ACLK_VDPU, "aclk_vdpu", mux_pll_src_cpll_gpll_p, 0,
291 RK2928_CLKSEL_CON(32), 15, 1, MFLAGS, 8, 5, DFLAGS,
292 RK2928_CLKGATE_CON(3), 11, GFLAGS),
293 GATE(HCLK_VDPU, "hclk_vdpu", "aclk_vdpu", 0,
294 RK2928_CLKGATE_CON(3), 12, GFLAGS),
295
296 GATE(0, "gpll_ddr", "gpll", CLK_IGNORE_UNUSED,
297 RK2928_CLKGATE_CON(1), 7, GFLAGS),
298 COMPOSITE(0, "ddrphy", mux_ddrphy_p, CLK_IGNORE_UNUSED,
299 RK2928_CLKSEL_CON(26), 8, 1, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
300 RK2928_CLKGATE_CON(0), 2, GFLAGS),
301
302 GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_pre", 0,
303 RK2928_CLKGATE_CON(0), 3, GFLAGS),
304
305 GATE(0, "atclk_cpu", "pclk_cpu_pre", 0,
306 RK2928_CLKGATE_CON(0), 6, GFLAGS),
307 GATE(PCLK_CPU, "pclk_cpu", "pclk_cpu_pre", 0,
308 RK2928_CLKGATE_CON(0), 5, GFLAGS),
309 GATE(HCLK_CPU, "hclk_cpu", "hclk_cpu_pre", CLK_IGNORE_UNUSED,
310 RK2928_CLKGATE_CON(0), 4, GFLAGS),
311
312 COMPOSITE(0, "aclk_lcdc0_pre", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED,
313 RK2928_CLKSEL_CON(31), 7, 1, MFLAGS, 0, 5, DFLAGS,
314 RK2928_CLKGATE_CON(3), 0, GFLAGS),
315 COMPOSITE(0, "aclk_lcdc1_pre", mux_pll_src_cpll_gpll_p, 0,
316 RK2928_CLKSEL_CON(31), 15, 1, MFLAGS, 8, 5, DFLAGS,
317 RK2928_CLKGATE_CON(1), 4, GFLAGS),
318
319 GATE(ACLK_PERI, "aclk_peri", "aclk_peri_pre", 0,
320 RK2928_CLKGATE_CON(2), 1, GFLAGS),
321 COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_pre", 0,
322 RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
323 RK2928_CLKGATE_CON(2), 2, GFLAGS),
324 COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_pre", 0,
325 RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
326 RK2928_CLKGATE_CON(2), 3, GFLAGS),
327
328 MUX(0, "cif_src", mux_pll_src_cpll_gpll_p, 0,
329 RK2928_CLKSEL_CON(29), 0, 1, MFLAGS),
330 COMPOSITE_NOMUX(0, "cif0_pre", "cif_src", 0,
331 RK2928_CLKSEL_CON(29), 1, 5, DFLAGS,
332 RK2928_CLKGATE_CON(3), 7, GFLAGS),
333 MUX(SCLK_CIF0, "sclk_cif0", mux_sclk_cif0_p, 0,
334 RK2928_CLKSEL_CON(29), 7, 1, MFLAGS),
335
336 GATE(0, "pclkin_cif0", "ext_cif0", 0,
337 RK2928_CLKGATE_CON(3), 3, GFLAGS),
338 INVERTER(0, "pclk_cif0", "pclkin_cif0",
339 RK2928_CLKSEL_CON(30), 8, IFLAGS),
340
341 FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
342
343 /*
344 * the 480m are generated inside the usb block from these clocks,
345 * but they are also a source for the hsicphy clock.
346 */
347 GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin24m", CLK_IGNORE_UNUSED,
348 RK2928_CLKGATE_CON(1), 5, GFLAGS),
349 GATE(SCLK_OTGPHY1, "sclk_otgphy1", "xin24m", CLK_IGNORE_UNUSED,
350 RK2928_CLKGATE_CON(1), 6, GFLAGS),
351
352 COMPOSITE(0, "mac_src", mux_mac_p, 0,
353 RK2928_CLKSEL_CON(21), 0, 1, MFLAGS, 8, 5, DFLAGS,
354 RK2928_CLKGATE_CON(2), 5, GFLAGS),
355 MUX(SCLK_MAC, "sclk_macref", mux_sclk_macref_p, CLK_SET_RATE_PARENT,
356 RK2928_CLKSEL_CON(21), 4, 1, MFLAGS),
357 GATE(0, "sclk_mac_lbtest", "sclk_macref", 0,
358 RK2928_CLKGATE_CON(2), 12, GFLAGS),
359
360 COMPOSITE(0, "hsadc_src", mux_pll_src_gpll_cpll_p, 0,
361 RK2928_CLKSEL_CON(22), 0, 1, MFLAGS, 8, 8, DFLAGS,
362 RK2928_CLKGATE_CON(2), 6, GFLAGS),
363 COMPOSITE_FRACMUX(0, "hsadc_frac", "hsadc_src", 0,
364 RK2928_CLKSEL_CON(23), 0,
365 RK2928_CLKGATE_CON(2), 7, GFLAGS,
366 &common_hsadc_out_fracmux),
367 INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out",
368 RK2928_CLKSEL_CON(22), 7, IFLAGS),
369
370 COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
371 RK2928_CLKSEL_CON(24), 8, 8, DFLAGS,
372 RK2928_CLKGATE_CON(2), 8, GFLAGS),
373
374 COMPOSITE_NOMUX(0, "spdif_pre", "i2s_src", 0,
375 RK2928_CLKSEL_CON(5), 0, 7, DFLAGS,
376 RK2928_CLKGATE_CON(0), 13, GFLAGS),
377 COMPOSITE_FRACMUX(0, "spdif_frac", "spdif_pre", CLK_SET_RATE_PARENT,
378 RK2928_CLKSEL_CON(9), 0,
379 RK2928_CLKGATE_CON(0), 14, GFLAGS,
380 &common_spdif_fracmux),
381
382 /*
383 * Clock-Architecture Diagram 4
384 */
385
386 GATE(SCLK_SMC, "sclk_smc", "hclk_peri", 0,
387 RK2928_CLKGATE_CON(2), 4, GFLAGS),
388
389 COMPOSITE_NOMUX(SCLK_SPI0, "sclk_spi0", "pclk_peri", 0,
390 RK2928_CLKSEL_CON(25), 0, 7, DFLAGS,
391 RK2928_CLKGATE_CON(2), 9, GFLAGS),
392 COMPOSITE_NOMUX(SCLK_SPI1, "sclk_spi1", "pclk_peri", 0,
393 RK2928_CLKSEL_CON(25), 8, 7, DFLAGS,
394 RK2928_CLKGATE_CON(2), 10, GFLAGS),
395
396 COMPOSITE_NOMUX(SCLK_SDMMC, "sclk_sdmmc", "hclk_peri", 0,
397 RK2928_CLKSEL_CON(11), 0, 6, DFLAGS,
398 RK2928_CLKGATE_CON(2), 11, GFLAGS),
399 COMPOSITE_NOMUX(SCLK_SDIO, "sclk_sdio", "hclk_peri", 0,
400 RK2928_CLKSEL_CON(12), 0, 6, DFLAGS,
401 RK2928_CLKGATE_CON(2), 13, GFLAGS),
402 COMPOSITE_NOMUX(SCLK_EMMC, "sclk_emmc", "hclk_peri", 0,
403 RK2928_CLKSEL_CON(12), 8, 6, DFLAGS,
404 RK2928_CLKGATE_CON(2), 14, GFLAGS),
405
406 MUX(0, "uart_src", mux_pll_src_gpll_cpll_p, 0,
407 RK2928_CLKSEL_CON(12), 15, 1, MFLAGS),
408 COMPOSITE_NOMUX(0, "uart0_pre", "uart_src", 0,
409 RK2928_CLKSEL_CON(13), 0, 7, DFLAGS,
410 RK2928_CLKGATE_CON(1), 8, GFLAGS),
411 COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_pre", 0,
412 RK2928_CLKSEL_CON(17), 0,
413 RK2928_CLKGATE_CON(1), 9, GFLAGS,
414 &common_uart0_fracmux),
415 COMPOSITE_NOMUX(0, "uart1_pre", "uart_src", 0,
416 RK2928_CLKSEL_CON(14), 0, 7, DFLAGS,
417 RK2928_CLKGATE_CON(1), 10, GFLAGS),
418 COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_pre", 0,
419 RK2928_CLKSEL_CON(18), 0,
420 RK2928_CLKGATE_CON(1), 11, GFLAGS,
421 &common_uart1_fracmux),
422 COMPOSITE_NOMUX(0, "uart2_pre", "uart_src", 0,
423 RK2928_CLKSEL_CON(15), 0, 7, DFLAGS,
424 RK2928_CLKGATE_CON(1), 12, GFLAGS),
425 COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_pre", 0,
426 RK2928_CLKSEL_CON(19), 0,
427 RK2928_CLKGATE_CON(1), 13, GFLAGS,
428 &common_uart2_fracmux),
429 COMPOSITE_NOMUX(0, "uart3_pre", "uart_src", 0,
430 RK2928_CLKSEL_CON(16), 0, 7, DFLAGS,
431 RK2928_CLKGATE_CON(1), 14, GFLAGS),
432 COMPOSITE_FRACMUX(0, "uart3_frac", "uart3_pre", 0,
433 RK2928_CLKSEL_CON(20), 0,
434 RK2928_CLKGATE_CON(1), 15, GFLAGS,
435 &common_uart3_fracmux),
436
437 GATE(SCLK_JTAG, "jtag", "ext_jtag", 0, RK2928_CLKGATE_CON(1), 3, GFLAGS),
438
439 GATE(SCLK_TIMER0, "timer0", "xin24m", 0, RK2928_CLKGATE_CON(1), 0, GFLAGS),
440 GATE(SCLK_TIMER1, "timer1", "xin24m", 0, RK2928_CLKGATE_CON(1), 1, GFLAGS),
441
442 /* clk_core_pre gates */
443 GATE(0, "core_dbg", "armclk", 0, RK2928_CLKGATE_CON(9), 0, GFLAGS),
444
445 /* aclk_cpu gates */
446 GATE(ACLK_DMA1, "aclk_dma1", "aclk_cpu", 0, RK2928_CLKGATE_CON(5), 0, GFLAGS),
447 GATE(0, "aclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS),
448 GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS),
449
450 /* hclk_cpu gates */
451 GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", 0, RK2928_CLKGATE_CON(5), 6, GFLAGS),
452 GATE(HCLK_I2S0, "hclk_i2s0", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),
453 GATE(HCLK_SPDIF, "hclk_spdif", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 1, GFLAGS),
454 GATE(0, "hclk_cpubus", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 8, GFLAGS),
455 /* hclk_ahb2apb is part of a clk branch */
456 GATE(0, "hclk_vio_bus", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 12, GFLAGS),
457 GATE(HCLK_LCDC0, "hclk_lcdc0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 1, GFLAGS),
458 GATE(HCLK_LCDC1, "hclk_lcdc1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 2, GFLAGS),
459 GATE(HCLK_CIF0, "hclk_cif0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 4, GFLAGS),
460 GATE(HCLK_IPP, "hclk_ipp", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 9, GFLAGS),
461 GATE(HCLK_RGA, "hclk_rga", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS),
462
463 /* hclk_peri gates */
464 GATE(0, "hclk_peri_axi_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS),
465 GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 6, GFLAGS),
466 GATE(0, "hclk_emem_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 7, GFLAGS),
467 GATE(HCLK_EMAC, "hclk_emac", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS),
468 GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS),
469 GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 5, GFLAGS),
470 GATE(HCLK_OTG0, "hclk_usbotg0", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 13, GFLAGS),
471 GATE(HCLK_HSADC, "hclk_hsadc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 5, GFLAGS),
472 GATE(HCLK_PIDF, "hclk_pidfilter", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 6, GFLAGS),
473 GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS),
474 GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS),
475 GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 12, GFLAGS),
476
477 /* aclk_lcdc0_pre gates */
478 GATE(0, "aclk_vio0", "aclk_lcdc0_pre", 0, RK2928_CLKGATE_CON(6), 13, GFLAGS),
479 GATE(ACLK_LCDC0, "aclk_lcdc0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 0, GFLAGS),
480 GATE(ACLK_CIF0, "aclk_cif0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 5, GFLAGS),
481 GATE(ACLK_IPP, "aclk_ipp", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 8, GFLAGS),
482
483 /* aclk_lcdc1_pre gates */
484 GATE(0, "aclk_vio1", "aclk_lcdc1_pre", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS),
485 GATE(ACLK_LCDC1, "aclk_lcdc1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 3, GFLAGS),
486 GATE(ACLK_RGA, "aclk_rga", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 11, GFLAGS),
487
488 /* atclk_cpu gates */
489 GATE(0, "atclk", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 3, GFLAGS),
490 GATE(0, "trace", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS),
491
492 /* pclk_cpu gates */
493 GATE(PCLK_PWM01, "pclk_pwm01", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS),
494 GATE(PCLK_TIMER0, "pclk_timer0", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 7, GFLAGS),
495 GATE(PCLK_I2C0, "pclk_i2c0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS),
496 GATE(PCLK_I2C1, "pclk_i2c1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS),
497 GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS),
498 GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS),
499 GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS),
500 GATE(PCLK_EFUSE, "pclk_efuse", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS),
501 GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 3, GFLAGS),
502 GATE(PCLK_DDRUPCTL, "pclk_ddrupctl", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 7, GFLAGS),
503 GATE(PCLK_PUBL, "pclk_ddrpubl", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS),
504 GATE(0, "pclk_dbg", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 1, GFLAGS),
505 GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS),
506 GATE(PCLK_PMU, "pclk_pmu", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 5, GFLAGS),
507
508 /* aclk_peri */
509 GATE(ACLK_DMA2, "aclk_dma2", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS),
510 GATE(ACLK_SMC, "aclk_smc", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 8, GFLAGS),
511 GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 4, GFLAGS),
512 GATE(0, "aclk_cpu_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS),
513 GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS),
514
515 /* pclk_peri gates */
516 GATE(0, "pclk_peri_axi_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS),
517 GATE(PCLK_PWM23, "pclk_pwm23", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 11, GFLAGS),
518 GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
519 GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS),
520 GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 13, GFLAGS),
521 GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS),
522 GATE(PCLK_UART3, "pclk_uart3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 3, GFLAGS),
523 GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS),
524 GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS),
525 GATE(PCLK_I2C4, "pclk_i2c4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 8, GFLAGS),
526 GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS),
527 GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS),
528 };
529
530 PNAME(mux_rk3066_lcdc0_p) = { "dclk_lcdc0_src", "xin27m" };
531 PNAME(mux_rk3066_lcdc1_p) = { "dclk_lcdc1_src", "xin27m" };
532 PNAME(mux_sclk_cif1_p) = { "cif1_pre", "xin24m" };
533 PNAME(mux_sclk_i2s1_p) = { "i2s1_pre", "i2s1_frac", "xin12m" };
534 PNAME(mux_sclk_i2s2_p) = { "i2s2_pre", "i2s2_frac", "xin12m" };
535
536 static struct clk_div_table div_aclk_cpu_t[] = {
537 { .val = 0, .div = 1 },
538 { .val = 1, .div = 2 },
539 { .val = 2, .div = 3 },
540 { .val = 3, .div = 4 },
541 { .val = 4, .div = 8 },
542 { /* sentinel */ },
543 };
544
545 static struct rockchip_clk_branch rk3066a_i2s0_fracmux __initdata =
546 MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0,
547 RK2928_CLKSEL_CON(2), 8, 2, MFLAGS);
548
549 static struct rockchip_clk_branch rk3066a_i2s1_fracmux __initdata =
550 MUX(SCLK_I2S1, "sclk_i2s1", mux_sclk_i2s1_p, 0,
551 RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
552
553 static struct rockchip_clk_branch rk3066a_i2s2_fracmux __initdata =
554 MUX(SCLK_I2S2, "sclk_i2s2", mux_sclk_i2s2_p, 0,
555 RK2928_CLKSEL_CON(4), 8, 2, MFLAGS);
556
557 static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = {
558 DIVTBL(0, "aclk_cpu_pre", "armclk", 0,
559 RK2928_CLKSEL_CON(1), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, div_aclk_cpu_t),
560 DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
561 RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
562 | CLK_DIVIDER_READ_ONLY),
563 DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
564 RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
565 | CLK_DIVIDER_READ_ONLY),
566 COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
567 RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
568 | CLK_DIVIDER_READ_ONLY,
569 RK2928_CLKGATE_CON(4), 9, GFLAGS),
570
571 GATE(CORE_L2C, "core_l2c", "aclk_cpu", CLK_IGNORE_UNUSED,
572 RK2928_CLKGATE_CON(9), 4, GFLAGS),
573
574 COMPOSITE(0, "aclk_peri_pre", mux_pll_src_gpll_cpll_p, 0,
575 RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
576 RK2928_CLKGATE_CON(2), 0, GFLAGS),
577
578 COMPOSITE(0, "dclk_lcdc0_src", mux_pll_src_cpll_gpll_p, 0,
579 RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
580 RK2928_CLKGATE_CON(3), 1, GFLAGS),
581 MUX(DCLK_LCDC0, "dclk_lcdc0", mux_rk3066_lcdc0_p, CLK_SET_RATE_PARENT,
582 RK2928_CLKSEL_CON(27), 4, 1, MFLAGS),
583 COMPOSITE(0, "dclk_lcdc1_src", mux_pll_src_cpll_gpll_p, 0,
584 RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
585 RK2928_CLKGATE_CON(3), 2, GFLAGS),
586 MUX(DCLK_LCDC1, "dclk_lcdc1", mux_rk3066_lcdc1_p, CLK_SET_RATE_PARENT,
587 RK2928_CLKSEL_CON(28), 4, 1, MFLAGS),
588
589 COMPOSITE_NOMUX(0, "cif1_pre", "cif_src", 0,
590 RK2928_CLKSEL_CON(29), 8, 5, DFLAGS,
591 RK2928_CLKGATE_CON(3), 8, GFLAGS),
592 MUX(SCLK_CIF1, "sclk_cif1", mux_sclk_cif1_p, 0,
593 RK2928_CLKSEL_CON(29), 15, 1, MFLAGS),
594
595 GATE(0, "pclkin_cif1", "ext_cif1", 0,
596 RK2928_CLKGATE_CON(3), 4, GFLAGS),
597 INVERTER(0, "pclk_cif1", "pclkin_cif1",
598 RK2928_CLKSEL_CON(30), 12, IFLAGS),
599
600 COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
601 RK2928_CLKSEL_CON(33), 8, 1, MFLAGS, 0, 5, DFLAGS,
602 RK2928_CLKGATE_CON(3), 13, GFLAGS),
603 GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
604 RK2928_CLKGATE_CON(5), 15, GFLAGS),
605
606 GATE(SCLK_TIMER2, "timer2", "xin24m", 0,
607 RK2928_CLKGATE_CON(3), 2, GFLAGS),
608
609 COMPOSITE_NOMUX(SCLK_TSADC, "sclk_tsadc", "xin24m", 0,
610 RK2928_CLKSEL_CON(34), 0, 16, DFLAGS,
611 RK2928_CLKGATE_CON(2), 15, GFLAGS),
612
613 MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
614 RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
615 COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
616 RK2928_CLKSEL_CON(2), 0, 7, DFLAGS,
617 RK2928_CLKGATE_CON(0), 7, GFLAGS),
618 COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", 0,
619 RK2928_CLKSEL_CON(6), 0,
620 RK2928_CLKGATE_CON(0), 8, GFLAGS,
621 &rk3066a_i2s0_fracmux),
622 COMPOSITE_NOMUX(0, "i2s1_pre", "i2s_src", 0,
623 RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
624 RK2928_CLKGATE_CON(0), 9, GFLAGS),
625 COMPOSITE_FRACMUX(0, "i2s1_frac", "i2s1_pre", 0,
626 RK2928_CLKSEL_CON(7), 0,
627 RK2928_CLKGATE_CON(0), 10, GFLAGS,
628 &rk3066a_i2s1_fracmux),
629 COMPOSITE_NOMUX(0, "i2s2_pre", "i2s_src", 0,
630 RK2928_CLKSEL_CON(4), 0, 7, DFLAGS,
631 RK2928_CLKGATE_CON(0), 11, GFLAGS),
632 COMPOSITE_FRACMUX(0, "i2s2_frac", "i2s2_pre", 0,
633 RK2928_CLKSEL_CON(8), 0,
634 RK2928_CLKGATE_CON(0), 12, GFLAGS,
635 &rk3066a_i2s2_fracmux),
636
637 GATE(HCLK_I2S1, "hclk_i2s1", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS),
638 GATE(HCLK_I2S2, "hclk_i2s2", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
639 GATE(HCLK_CIF1, "hclk_cif1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 6, GFLAGS),
640 GATE(HCLK_HDMI, "hclk_hdmi", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
641
642 GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
643 RK2928_CLKGATE_CON(5), 14, GFLAGS),
644
645 GATE(ACLK_CIF1, "aclk_cif1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 7, GFLAGS),
646
647 GATE(PCLK_TIMER1, "pclk_timer1", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 8, GFLAGS),
648 GATE(PCLK_TIMER2, "pclk_timer2", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
649 GATE(PCLK_GPIO6, "pclk_gpio6", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 15, GFLAGS),
650 GATE(PCLK_UART0, "pclk_uart0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
651 GATE(PCLK_UART1, "pclk_uart1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
652
653 GATE(PCLK_GPIO4, "pclk_gpio4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
654 GATE(PCLK_TSADC, "pclk_tsadc", "pclk_peri", 0, RK2928_CLKGATE_CON(4), 13, GFLAGS),
655 };
656
657 static struct clk_div_table div_rk3188_aclk_core_t[] = {
658 { .val = 0, .div = 1 },
659 { .val = 1, .div = 2 },
660 { .val = 2, .div = 3 },
661 { .val = 3, .div = 4 },
662 { .val = 4, .div = 8 },
663 { /* sentinel */ },
664 };
665
666 PNAME(mux_hsicphy_p) = { "sclk_otgphy0_480m", "sclk_otgphy1_480m",
667 "gpll", "cpll" };
668
669 static struct rockchip_clk_branch rk3188_i2s0_fracmux __initdata =
670 MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, CLK_SET_RATE_PARENT,
671 RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
672
673 static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
674 COMPOSITE_NOMUX_DIVTBL(0, "aclk_core", "armclk", CLK_IGNORE_UNUSED,
675 RK2928_CLKSEL_CON(1), 3, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
676 div_rk3188_aclk_core_t, RK2928_CLKGATE_CON(0), 7, GFLAGS),
677
678 /* do not source aclk_cpu_pre from the apll, to keep complexity down */
679 COMPOSITE_NOGATE(0, "aclk_cpu_pre", mux_aclk_cpu_p, CLK_SET_RATE_NO_REPARENT,
680 RK2928_CLKSEL_CON(0), 5, 1, MFLAGS, 0, 5, DFLAGS),
681 DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
682 RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
683 DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
684 RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
685 COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
686 RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
687 RK2928_CLKGATE_CON(4), 9, GFLAGS),
688
689 GATE(CORE_L2C, "core_l2c", "armclk", CLK_IGNORE_UNUSED,
690 RK2928_CLKGATE_CON(9), 4, GFLAGS),
691
692 COMPOSITE(0, "aclk_peri_pre", mux_pll_src_cpll_gpll_p, 0,
693 RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
694 RK2928_CLKGATE_CON(2), 0, GFLAGS),
695
696 COMPOSITE(DCLK_LCDC0, "dclk_lcdc0", mux_pll_src_cpll_gpll_p, 0,
697 RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
698 RK2928_CLKGATE_CON(3), 1, GFLAGS),
699 COMPOSITE(DCLK_LCDC1, "dclk_lcdc1", mux_pll_src_cpll_gpll_p, 0,
700 RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
701 RK2928_CLKGATE_CON(3), 2, GFLAGS),
702
703 COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
704 RK2928_CLKSEL_CON(34), 7, 1, MFLAGS, 0, 5, DFLAGS,
705 RK2928_CLKGATE_CON(3), 15, GFLAGS),
706 GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
707 RK2928_CLKGATE_CON(9), 7, GFLAGS),
708
709 GATE(SCLK_TIMER2, "timer2", "xin24m", 0, RK2928_CLKGATE_CON(3), 4, GFLAGS),
710 GATE(SCLK_TIMER3, "timer3", "xin24m", 0, RK2928_CLKGATE_CON(1), 2, GFLAGS),
711 GATE(SCLK_TIMER4, "timer4", "xin24m", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
712 GATE(SCLK_TIMER5, "timer5", "xin24m", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
713 GATE(SCLK_TIMER6, "timer6", "xin24m", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
714
715 COMPOSITE_NODIV(0, "sclk_hsicphy_480m", mux_hsicphy_p, 0,
716 RK2928_CLKSEL_CON(30), 0, 2, DFLAGS,
717 RK2928_CLKGATE_CON(3), 6, GFLAGS),
718 DIV(0, "sclk_hsicphy_12m", "sclk_hsicphy_480m", 0,
719 RK2928_CLKSEL_CON(11), 8, 6, DFLAGS),
720
721 MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
722 RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
723 COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
724 RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
725 RK2928_CLKGATE_CON(0), 9, GFLAGS),
726 COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", CLK_SET_RATE_PARENT,
727 RK2928_CLKSEL_CON(7), 0,
728 RK2928_CLKGATE_CON(0), 10, GFLAGS,
729 &rk3188_i2s0_fracmux),
730
731 GATE(0, "hclk_imem0", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
732 GATE(0, "hclk_imem1", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 15, GFLAGS),
733
734 GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
735 RK2928_CLKGATE_CON(7), 3, GFLAGS),
736 GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
737
738 GATE(PCLK_TIMER3, "pclk_timer3", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
739
740 GATE(PCLK_UART0, "pclk_uart0", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
741 GATE(PCLK_UART1, "pclk_uart1", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
742
743 GATE(ACLK_GPS, "aclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
744 };
745
746 static const char *const rk3188_critical_clocks[] __initconst = {
747 "aclk_cpu",
748 "aclk_peri",
749 "hclk_peri",
750 "pclk_cpu",
751 "pclk_peri",
752 "hclk_cpubus",
753 "hclk_vio_bus",
754 };
755
756 static struct rockchip_clk_provider *__init rk3188_common_clk_init(struct device_node *np)
757 {
758 struct rockchip_clk_provider *ctx;
759 void __iomem *reg_base;
760
761 reg_base = of_iomap(np, 0);
762 if (!reg_base) {
763 pr_err("%s: could not map cru region\n", __func__);
764 return ERR_PTR(-ENOMEM);
765 }
766
767 ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
768 if (IS_ERR(ctx)) {
769 pr_err("%s: rockchip clk init failed\n", __func__);
770 iounmap(reg_base);
771 return ERR_PTR(-ENOMEM);
772 }
773
774 rockchip_clk_register_branches(ctx, common_clk_branches,
775 ARRAY_SIZE(common_clk_branches));
776
777 rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
778 ROCKCHIP_SOFTRST_HIWORD_MASK);
779
780 rockchip_register_restart_notifier(ctx, RK2928_GLB_SRST_FST, NULL);
781
782 return ctx;
783 }
784
785 static void __init rk3066a_clk_init(struct device_node *np)
786 {
787 struct rockchip_clk_provider *ctx;
788
789 ctx = rk3188_common_clk_init(np);
790 if (IS_ERR(ctx))
791 return;
792
793 rockchip_clk_register_plls(ctx, rk3066_pll_clks,
794 ARRAY_SIZE(rk3066_pll_clks),
795 RK3066_GRF_SOC_STATUS);
796 rockchip_clk_register_branches(ctx, rk3066a_clk_branches,
797 ARRAY_SIZE(rk3066a_clk_branches));
798 rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
799 mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
800 &rk3066_cpuclk_data, rk3066_cpuclk_rates,
801 ARRAY_SIZE(rk3066_cpuclk_rates));
802 rockchip_clk_protect_critical(rk3188_critical_clocks,
803 ARRAY_SIZE(rk3188_critical_clocks));
804 rockchip_clk_of_add_provider(np, ctx);
805 }
806 CLK_OF_DECLARE(rk3066a_cru, "rockchip,rk3066a-cru", rk3066a_clk_init);
807
808 static void __init rk3188a_clk_init(struct device_node *np)
809 {
810 struct rockchip_clk_provider *ctx;
811 struct clk *clk1, *clk2;
812 unsigned long rate;
813 int ret;
814
815 ctx = rk3188_common_clk_init(np);
816 if (IS_ERR(ctx))
817 return;
818
819 rockchip_clk_register_plls(ctx, rk3188_pll_clks,
820 ARRAY_SIZE(rk3188_pll_clks),
821 RK3188_GRF_SOC_STATUS);
822 rockchip_clk_register_branches(ctx, rk3188_clk_branches,
823 ARRAY_SIZE(rk3188_clk_branches));
824 rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
825 mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
826 &rk3188_cpuclk_data, rk3188_cpuclk_rates,
827 ARRAY_SIZE(rk3188_cpuclk_rates));
828
829 /* reparent aclk_cpu_pre from apll */
830 clk1 = __clk_lookup("aclk_cpu_pre");
831 clk2 = __clk_lookup("gpll");
832 if (clk1 && clk2) {
833 rate = clk_get_rate(clk1);
834
835 ret = clk_set_parent(clk1, clk2);
836 if (ret < 0)
837 pr_warn("%s: could not reparent aclk_cpu_pre to gpll\n",
838 __func__);
839
840 clk_set_rate(clk1, rate);
841 } else {
842 pr_warn("%s: missing clocks to reparent aclk_cpu_pre to gpll\n",
843 __func__);
844 }
845
846 rockchip_clk_protect_critical(rk3188_critical_clocks,
847 ARRAY_SIZE(rk3188_critical_clocks));
848 rockchip_clk_of_add_provider(np, ctx);
849 }
850 CLK_OF_DECLARE(rk3188a_cru, "rockchip,rk3188a-cru", rk3188a_clk_init);
851
852 static void __init rk3188_clk_init(struct device_node *np)
853 {
854 int i;
855
856 for (i = 0; i < ARRAY_SIZE(rk3188_pll_clks); i++) {
857 struct rockchip_pll_clock *pll = &rk3188_pll_clks[i];
858 struct rockchip_pll_rate_table *rate;
859
860 if (!pll->rate_table)
861 continue;
862
863 rate = pll->rate_table;
864 while (rate->rate > 0) {
865 rate->nb = 1;
866 rate++;
867 }
868 }
869
870 rk3188a_clk_init(np);
871 }
872 CLK_OF_DECLARE(rk3188_cru, "rockchip,rk3188-cru", rk3188_clk_init);
Linux with added FPC-III support