?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Linux 4.18.10
[linux/fpc-iii.git] / drivers / clk / rockchip / clk-rk3128.c
blob5970a50671b9a6638d637f8a017e1cc0cf063e97
1 /*
2 * Copyright (c) 2017 Rockchip Electronics Co. Ltd.
3 * Author: Elaine <zhangqing@rock-chips.com>
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-provider.h>
17 #include <linux/of.h>
18 #include <linux/of_address.h>
19 #include <linux/syscore_ops.h>
20 #include <dt-bindings/clock/rk3128-cru.h>
21 #include "clk.h"
22
23 #define RK3128_GRF_SOC_STATUS0 0x14c
24
25 enum rk3128_plls {
26 apll, dpll, cpll, gpll,
27 };
28
29 static struct rockchip_pll_rate_table rk3128_pll_rates[] = {
30 /* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */
31 RK3036_PLL_RATE(1608000000, 1, 67, 1, 1, 1, 0),
32 RK3036_PLL_RATE(1584000000, 1, 66, 1, 1, 1, 0),
33 RK3036_PLL_RATE(1560000000, 1, 65, 1, 1, 1, 0),
34 RK3036_PLL_RATE(1536000000, 1, 64, 1, 1, 1, 0),
35 RK3036_PLL_RATE(1512000000, 1, 63, 1, 1, 1, 0),
36 RK3036_PLL_RATE(1488000000, 1, 62, 1, 1, 1, 0),
37 RK3036_PLL_RATE(1464000000, 1, 61, 1, 1, 1, 0),
38 RK3036_PLL_RATE(1440000000, 1, 60, 1, 1, 1, 0),
39 RK3036_PLL_RATE(1416000000, 1, 59, 1, 1, 1, 0),
40 RK3036_PLL_RATE(1392000000, 1, 58, 1, 1, 1, 0),
41 RK3036_PLL_RATE(1368000000, 1, 57, 1, 1, 1, 0),
42 RK3036_PLL_RATE(1344000000, 1, 56, 1, 1, 1, 0),
43 RK3036_PLL_RATE(1320000000, 1, 55, 1, 1, 1, 0),
44 RK3036_PLL_RATE(1296000000, 1, 54, 1, 1, 1, 0),
45 RK3036_PLL_RATE(1272000000, 1, 53, 1, 1, 1, 0),
46 RK3036_PLL_RATE(1248000000, 1, 52, 1, 1, 1, 0),
47 RK3036_PLL_RATE(1200000000, 1, 50, 1, 1, 1, 0),
48 RK3036_PLL_RATE(1188000000, 2, 99, 1, 1, 1, 0),
49 RK3036_PLL_RATE(1104000000, 1, 46, 1, 1, 1, 0),
50 RK3036_PLL_RATE(1100000000, 12, 550, 1, 1, 1, 0),
51 RK3036_PLL_RATE(1008000000, 1, 84, 2, 1, 1, 0),
52 RK3036_PLL_RATE(1000000000, 6, 500, 2, 1, 1, 0),
53 RK3036_PLL_RATE(984000000, 1, 82, 2, 1, 1, 0),
54 RK3036_PLL_RATE(960000000, 1, 80, 2, 1, 1, 0),
55 RK3036_PLL_RATE(936000000, 1, 78, 2, 1, 1, 0),
56 RK3036_PLL_RATE(912000000, 1, 76, 2, 1, 1, 0),
57 RK3036_PLL_RATE(900000000, 4, 300, 2, 1, 1, 0),
58 RK3036_PLL_RATE(888000000, 1, 74, 2, 1, 1, 0),
59 RK3036_PLL_RATE(864000000, 1, 72, 2, 1, 1, 0),
60 RK3036_PLL_RATE(840000000, 1, 70, 2, 1, 1, 0),
61 RK3036_PLL_RATE(816000000, 1, 68, 2, 1, 1, 0),
62 RK3036_PLL_RATE(800000000, 6, 400, 2, 1, 1, 0),
63 RK3036_PLL_RATE(700000000, 6, 350, 2, 1, 1, 0),
64 RK3036_PLL_RATE(696000000, 1, 58, 2, 1, 1, 0),
65 RK3036_PLL_RATE(600000000, 1, 75, 3, 1, 1, 0),
66 RK3036_PLL_RATE(594000000, 2, 99, 2, 1, 1, 0),
67 RK3036_PLL_RATE(504000000, 1, 63, 3, 1, 1, 0),
68 RK3036_PLL_RATE(500000000, 6, 250, 2, 1, 1, 0),
69 RK3036_PLL_RATE(408000000, 1, 68, 2, 2, 1, 0),
70 RK3036_PLL_RATE(312000000, 1, 52, 2, 2, 1, 0),
71 RK3036_PLL_RATE(216000000, 1, 72, 4, 2, 1, 0),
72 RK3036_PLL_RATE(96000000, 1, 64, 4, 4, 1, 0),
73 { /* sentinel */ },
74 };
75
76 #define RK3128_DIV_CPU_MASK 0x1f
77 #define RK3128_DIV_CPU_SHIFT 8
78
79 #define RK3128_DIV_PERI_MASK 0xf
80 #define RK3128_DIV_PERI_SHIFT 0
81 #define RK3128_DIV_ACLK_MASK 0x7
82 #define RK3128_DIV_ACLK_SHIFT 4
83 #define RK3128_DIV_HCLK_MASK 0x3
84 #define RK3128_DIV_HCLK_SHIFT 8
85 #define RK3128_DIV_PCLK_MASK 0x7
86 #define RK3128_DIV_PCLK_SHIFT 12
87
88 #define RK3128_CLKSEL1(_core_aclk_div, _pclk_dbg_div) \
89 { \
90 .reg = RK2928_CLKSEL_CON(1), \
91 .val = HIWORD_UPDATE(_pclk_dbg_div, RK3128_DIV_PERI_MASK, \
92 RK3128_DIV_PERI_SHIFT) | \
93 HIWORD_UPDATE(_core_aclk_div, RK3128_DIV_ACLK_MASK, \
94 RK3128_DIV_ACLK_SHIFT), \
95 }
96
97 #define RK3128_CPUCLK_RATE(_prate, _core_aclk_div, _pclk_dbg_div) \
98 { \
99 .prate = _prate, \
100 .divs = { \
101 RK3128_CLKSEL1(_core_aclk_div, _pclk_dbg_div), \
102 }, \
103 }
104
105 static struct rockchip_cpuclk_rate_table rk3128_cpuclk_rates[] __initdata = {
106 RK3128_CPUCLK_RATE(1800000000, 1, 7),
107 RK3128_CPUCLK_RATE(1704000000, 1, 7),
108 RK3128_CPUCLK_RATE(1608000000, 1, 7),
109 RK3128_CPUCLK_RATE(1512000000, 1, 7),
110 RK3128_CPUCLK_RATE(1488000000, 1, 5),
111 RK3128_CPUCLK_RATE(1416000000, 1, 5),
112 RK3128_CPUCLK_RATE(1392000000, 1, 5),
113 RK3128_CPUCLK_RATE(1296000000, 1, 5),
114 RK3128_CPUCLK_RATE(1200000000, 1, 5),
115 RK3128_CPUCLK_RATE(1104000000, 1, 5),
116 RK3128_CPUCLK_RATE(1008000000, 1, 5),
117 RK3128_CPUCLK_RATE(912000000, 1, 5),
118 RK3128_CPUCLK_RATE(816000000, 1, 3),
119 RK3128_CPUCLK_RATE(696000000, 1, 3),
120 RK3128_CPUCLK_RATE(600000000, 1, 3),
121 RK3128_CPUCLK_RATE(408000000, 1, 1),
122 RK3128_CPUCLK_RATE(312000000, 1, 1),
123 RK3128_CPUCLK_RATE(216000000, 1, 1),
124 RK3128_CPUCLK_RATE(96000000, 1, 1),
125 };
126
127 static const struct rockchip_cpuclk_reg_data rk3128_cpuclk_data = {
128 .core_reg = RK2928_CLKSEL_CON(0),
129 .div_core_shift = 0,
130 .div_core_mask = 0x1f,
131 .mux_core_alt = 1,
132 .mux_core_main = 0,
133 .mux_core_shift = 7,
134 .mux_core_mask = 0x1,
135 };
136
137 PNAME(mux_pll_p) = { "clk_24m", "xin24m" };
138
139 PNAME(mux_ddrphy_p) = { "dpll_ddr", "gpll_div2_ddr" };
140 PNAME(mux_armclk_p) = { "apll_core", "gpll_div2_core" };
141 PNAME(mux_usb480m_p) = { "usb480m_phy", "xin24m" };
142 PNAME(mux_aclk_cpu_src_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3" };
143
144 PNAME(mux_pll_src_5plls_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3", "usb480m" };
145 PNAME(mux_pll_src_4plls_p) = { "cpll", "gpll", "gpll_div2", "usb480m" };
146 PNAME(mux_pll_src_3plls_p) = { "cpll", "gpll", "gpll_div2" };
147
148 PNAME(mux_aclk_peri_src_p) = { "gpll_peri", "cpll_peri", "gpll_div2_peri", "gpll_div3_peri" };
149 PNAME(mux_mmc_src_p) = { "cpll", "gpll", "gpll_div2", "xin24m" };
150 PNAME(mux_clk_cif_out_src_p) = { "clk_cif_src", "xin24m" };
151 PNAME(mux_sclk_vop_src_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3" };
152
153 PNAME(mux_i2s0_p) = { "i2s0_src", "i2s0_frac", "ext_i2s", "xin12m" };
154 PNAME(mux_i2s1_pre_p) = { "i2s1_src", "i2s1_frac", "ext_i2s", "xin12m" };
155 PNAME(mux_i2s_out_p) = { "i2s1_pre", "xin12m" };
156 PNAME(mux_sclk_spdif_p) = { "sclk_spdif_src", "spdif_frac", "xin12m" };
157
158 PNAME(mux_uart0_p) = { "uart0_src", "uart0_frac", "xin24m" };
159 PNAME(mux_uart1_p) = { "uart1_src", "uart1_frac", "xin24m" };
160 PNAME(mux_uart2_p) = { "uart2_src", "uart2_frac", "xin24m" };
161
162 PNAME(mux_sclk_gmac_p) = { "sclk_gmac_src", "gmac_clkin" };
163 PNAME(mux_sclk_sfc_src_p) = { "cpll", "gpll", "gpll_div2", "xin24m" };
164
165 static struct rockchip_pll_clock rk3128_pll_clks[] __initdata = {
166 [apll] = PLL(pll_rk3036, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
167 RK2928_MODE_CON, 0, 1, 0, rk3128_pll_rates),
168 [dpll] = PLL(pll_rk3036, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
169 RK2928_MODE_CON, 4, 0, 0, NULL),
170 [cpll] = PLL(pll_rk3036, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
171 RK2928_MODE_CON, 8, 2, 0, rk3128_pll_rates),
172 [gpll] = PLL(pll_rk3036, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
173 RK2928_MODE_CON, 12, 3, ROCKCHIP_PLL_SYNC_RATE, rk3128_pll_rates),
174 };
175
176 #define MFLAGS CLK_MUX_HIWORD_MASK
177 #define DFLAGS CLK_DIVIDER_HIWORD_MASK
178 #define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE)
179
180 static struct rockchip_clk_branch rk3128_i2s0_fracmux __initdata =
181 MUX(0, "i2s0_pre", mux_i2s0_p, CLK_SET_RATE_PARENT,
182 RK2928_CLKSEL_CON(9), 8, 2, MFLAGS);
183
184 static struct rockchip_clk_branch rk3128_i2s1_fracmux __initdata =
185 MUX(0, "i2s1_pre", mux_i2s1_pre_p, CLK_SET_RATE_PARENT,
186 RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
187
188 static struct rockchip_clk_branch rk3128_spdif_fracmux __initdata =
189 MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT,
190 RK2928_CLKSEL_CON(6), 8, 2, MFLAGS);
191
192 static struct rockchip_clk_branch rk3128_uart0_fracmux __initdata =
193 MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT,
194 RK2928_CLKSEL_CON(13), 8, 2, MFLAGS);
195
196 static struct rockchip_clk_branch rk3128_uart1_fracmux __initdata =
197 MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT,
198 RK2928_CLKSEL_CON(14), 8, 2, MFLAGS);
199
200 static struct rockchip_clk_branch rk3128_uart2_fracmux __initdata =
201 MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT,
202 RK2928_CLKSEL_CON(15), 8, 2, MFLAGS);
203
204 static struct rockchip_clk_branch common_clk_branches[] __initdata = {
205 /*
206 * Clock-Architecture Diagram 1
207 */
208
209 FACTOR(PLL_GPLL_DIV2, "gpll_div2", "gpll", 0, 1, 2),
210 FACTOR(PLL_GPLL_DIV3, "gpll_div3", "gpll", 0, 1, 3),
211
212 DIV(0, "clk_24m", "xin24m", CLK_IGNORE_UNUSED,
213 RK2928_CLKSEL_CON(4), 8, 5, DFLAGS),
214
215 /* PD_DDR */
216 GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED,
217 RK2928_CLKGATE_CON(0), 2, GFLAGS),
218 GATE(0, "gpll_div2_ddr", "gpll_div2", CLK_IGNORE_UNUSED,
219 RK2928_CLKGATE_CON(0), 2, GFLAGS),
220 COMPOSITE_NOGATE(0, "ddrphy2x", mux_ddrphy_p, CLK_IGNORE_UNUSED,
221 RK2928_CLKSEL_CON(26), 8, 2, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
222 FACTOR(SCLK_DDRC, "clk_ddrc", "ddrphy2x", 0, 1, 2),
223 FACTOR(0, "clk_ddrphy", "ddrphy2x", 0, 1, 2),
224
225 /* PD_CORE */
226 GATE(0, "apll_core", "apll", CLK_IGNORE_UNUSED,
227 RK2928_CLKGATE_CON(0), 6, GFLAGS),
228 GATE(0, "gpll_div2_core", "gpll_div2", CLK_IGNORE_UNUSED,
229 RK2928_CLKGATE_CON(0), 6, GFLAGS),
230 COMPOSITE_NOMUX(0, "pclk_dbg", "armclk", CLK_IGNORE_UNUSED,
231 RK2928_CLKSEL_CON(1), 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,
232 RK2928_CLKGATE_CON(0), 0, GFLAGS),
233 COMPOSITE_NOMUX(0, "armcore", "armclk", CLK_IGNORE_UNUSED,
234 RK2928_CLKSEL_CON(1), 4, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
235 RK2928_CLKGATE_CON(0), 7, GFLAGS),
236
237 /* PD_MISC */
238 MUX(SCLK_USB480M, "usb480m", mux_usb480m_p, CLK_SET_RATE_PARENT,
239 RK2928_MISC_CON, 15, 1, MFLAGS),
240
241 /* PD_CPU */
242 COMPOSITE(0, "aclk_cpu_src", mux_aclk_cpu_src_p, 0,
243 RK2928_CLKSEL_CON(0), 13, 2, MFLAGS, 8, 5, DFLAGS,
244 RK2928_CLKGATE_CON(0), 1, GFLAGS),
245 GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_src", 0,
246 RK2928_CLKGATE_CON(0), 3, GFLAGS),
247 COMPOSITE_NOMUX(HCLK_CPU, "hclk_cpu", "aclk_cpu_src", 0,
248 RK2928_CLKSEL_CON(1), 8, 2, DFLAGS,
249 RK2928_CLKGATE_CON(0), 4, GFLAGS),
250 COMPOSITE_NOMUX(PCLK_CPU, "pclk_cpu", "aclk_cpu_src", 0,
251 RK2928_CLKSEL_CON(1), 12, 2, DFLAGS,
252 RK2928_CLKGATE_CON(0), 5, GFLAGS),
253 COMPOSITE_NOMUX(SCLK_CRYPTO, "clk_crypto", "aclk_cpu_src", 0,
254 RK2928_CLKSEL_CON(24), 0, 2, DFLAGS,
255 RK2928_CLKGATE_CON(0), 12, GFLAGS),
256
257 /* PD_VIDEO */
258 COMPOSITE(ACLK_VEPU, "aclk_vepu", mux_pll_src_5plls_p, 0,
259 RK2928_CLKSEL_CON(32), 5, 3, MFLAGS, 0, 5, DFLAGS,
260 RK2928_CLKGATE_CON(3), 9, GFLAGS),
261 FACTOR(HCLK_VEPU, "hclk_vepu", "aclk_vepu", 0, 1, 4),
262
263 COMPOSITE(ACLK_VDPU, "aclk_vdpu", mux_pll_src_5plls_p, 0,
264 RK2928_CLKSEL_CON(32), 13, 3, MFLAGS, 8, 5, DFLAGS,
265 RK2928_CLKGATE_CON(3), 11, GFLAGS),
266 FACTOR_GATE(HCLK_VDPU, "hclk_vdpu", "aclk_vdpu", 0, 1, 4,
267 RK2928_CLKGATE_CON(3), 12, GFLAGS),
268
269 COMPOSITE(SCLK_HEVC_CORE, "sclk_hevc_core", mux_pll_src_5plls_p, 0,
270 RK2928_CLKSEL_CON(34), 13, 3, MFLAGS, 8, 5, DFLAGS,
271 RK2928_CLKGATE_CON(3), 10, GFLAGS),
272
273 /* PD_VIO */
274 COMPOSITE(ACLK_VIO0, "aclk_vio0", mux_pll_src_5plls_p, 0,
275 RK2928_CLKSEL_CON(31), 5, 3, MFLAGS, 0, 5, DFLAGS,
276 RK2928_CLKGATE_CON(3), 0, GFLAGS),
277 COMPOSITE(ACLK_VIO1, "aclk_vio1", mux_pll_src_5plls_p, 0,
278 RK2928_CLKSEL_CON(31), 13, 3, MFLAGS, 8, 5, DFLAGS,
279 RK2928_CLKGATE_CON(1), 4, GFLAGS),
280 COMPOSITE(HCLK_VIO, "hclk_vio", mux_pll_src_4plls_p, 0,
281 RK2928_CLKSEL_CON(30), 14, 2, MFLAGS, 8, 5, DFLAGS,
282 RK2928_CLKGATE_CON(0), 11, GFLAGS),
283
284 /* PD_PERI */
285 GATE(0, "gpll_peri", "gpll", CLK_IGNORE_UNUSED,
286 RK2928_CLKGATE_CON(2), 0, GFLAGS),
287 GATE(0, "cpll_peri", "cpll", CLK_IGNORE_UNUSED,
288 RK2928_CLKGATE_CON(2), 0, GFLAGS),
289 GATE(0, "gpll_div2_peri", "gpll_div2", CLK_IGNORE_UNUSED,
290 RK2928_CLKGATE_CON(2), 0, GFLAGS),
291 GATE(0, "gpll_div3_peri", "gpll_div3", CLK_IGNORE_UNUSED,
292 RK2928_CLKGATE_CON(2), 0, GFLAGS),
293 COMPOSITE_NOGATE(0, "aclk_peri_src", mux_aclk_peri_src_p, 0,
294 RK2928_CLKSEL_CON(10), 14, 2, MFLAGS, 0, 5, DFLAGS),
295 COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_src", 0,
296 RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
297 RK2928_CLKGATE_CON(2), 3, GFLAGS),
298 COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", 0,
299 RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
300 RK2928_CLKGATE_CON(2), 2, GFLAGS),
301 GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", 0,
302 RK2928_CLKGATE_CON(2), 1, GFLAGS),
303
304 GATE(SCLK_TIMER0, "sclk_timer0", "xin24m", 0,
305 RK2928_CLKGATE_CON(10), 3, GFLAGS),
306 GATE(SCLK_TIMER1, "sclk_timer1", "xin24m", 0,
307 RK2928_CLKGATE_CON(10), 4, GFLAGS),
308 GATE(SCLK_TIMER2, "sclk_timer2", "xin24m", 0,
309 RK2928_CLKGATE_CON(10), 5, GFLAGS),
310 GATE(SCLK_TIMER3, "sclk_timer3", "xin24m", 0,
311 RK2928_CLKGATE_CON(10), 6, GFLAGS),
312 GATE(SCLK_TIMER4, "sclk_timer4", "xin24m", 0,
313 RK2928_CLKGATE_CON(10), 7, GFLAGS),
314 GATE(SCLK_TIMER5, "sclk_timer5", "xin24m", 0,
315 RK2928_CLKGATE_CON(10), 8, GFLAGS),
316
317 GATE(SCLK_PVTM_CORE, "clk_pvtm_core", "xin24m", 0,
318 RK2928_CLKGATE_CON(10), 0, GFLAGS),
319 GATE(SCLK_PVTM_GPU, "clk_pvtm_gpu", "xin24m", 0,
320 RK2928_CLKGATE_CON(10), 1, GFLAGS),
321 GATE(SCLK_PVTM_FUNC, "clk_pvtm_func", "xin24m", 0,
322 RK2928_CLKGATE_CON(10), 2, GFLAGS),
323 GATE(SCLK_MIPI_24M, "clk_mipi_24m", "xin24m", CLK_IGNORE_UNUSED,
324 RK2928_CLKGATE_CON(2), 15, GFLAGS),
325
326 COMPOSITE(SCLK_SDMMC, "sclk_sdmmc0", mux_mmc_src_p, 0,
327 RK2928_CLKSEL_CON(11), 6, 2, MFLAGS, 0, 6, DFLAGS,
328 RK2928_CLKGATE_CON(2), 11, GFLAGS),
329
330 COMPOSITE(SCLK_SDIO, "sclk_sdio", mux_mmc_src_p, 0,
331 RK2928_CLKSEL_CON(12), 6, 2, MFLAGS, 0, 6, DFLAGS,
332 RK2928_CLKGATE_CON(2), 13, GFLAGS),
333
334 COMPOSITE(SCLK_EMMC, "sclk_emmc", mux_mmc_src_p, 0,
335 RK2928_CLKSEL_CON(12), 14, 2, MFLAGS, 8, 6, DFLAGS,
336 RK2928_CLKGATE_CON(2), 14, GFLAGS),
337
338 DIV(SCLK_PVTM, "clk_pvtm", "clk_pvtm_func", 0,
339 RK2928_CLKSEL_CON(2), 0, 7, DFLAGS),
340
341 /*
342 * Clock-Architecture Diagram 2
343 */
344 COMPOSITE(DCLK_VOP, "dclk_vop", mux_sclk_vop_src_p, 0,
345 RK2928_CLKSEL_CON(27), 0, 2, MFLAGS, 8, 8, DFLAGS,
346 RK2928_CLKGATE_CON(3), 1, GFLAGS),
347 COMPOSITE(SCLK_VOP, "sclk_vop", mux_sclk_vop_src_p, 0,
348 RK2928_CLKSEL_CON(28), 0, 2, MFLAGS, 8, 8, DFLAGS,
349 RK2928_CLKGATE_CON(3), 2, GFLAGS),
350 COMPOSITE(DCLK_EBC, "dclk_ebc", mux_pll_src_3plls_p, 0,
351 RK2928_CLKSEL_CON(23), 0, 2, MFLAGS, 8, 8, DFLAGS,
352 RK2928_CLKGATE_CON(3), 4, GFLAGS),
353
354 FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
355
356 COMPOSITE_NODIV(SCLK_CIF_SRC, "sclk_cif_src", mux_pll_src_4plls_p, 0,
357 RK2928_CLKSEL_CON(29), 0, 2, MFLAGS,
358 RK2928_CLKGATE_CON(3), 7, GFLAGS),
359 MUX(SCLK_CIF_OUT_SRC, "sclk_cif_out_src", mux_clk_cif_out_src_p, 0,
360 RK2928_CLKSEL_CON(13), 14, 2, MFLAGS),
361 DIV(SCLK_CIF_OUT, "sclk_cif_out", "sclk_cif_out_src", 0,
362 RK2928_CLKSEL_CON(29), 2, 5, DFLAGS),
363
364 COMPOSITE(0, "i2s0_src", mux_pll_src_3plls_p, 0,
365 RK2928_CLKSEL_CON(9), 14, 2, MFLAGS, 0, 7, DFLAGS,
366 RK2928_CLKGATE_CON(4), 4, GFLAGS),
367 COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_src", CLK_SET_RATE_PARENT,
368 RK2928_CLKSEL_CON(8), 0,
369 RK2928_CLKGATE_CON(4), 5, GFLAGS,
370 &rk3128_i2s0_fracmux),
371 GATE(SCLK_I2S0, "sclk_i2s0", "i2s0_pre", CLK_SET_RATE_PARENT,
372 RK2928_CLKGATE_CON(4), 6, GFLAGS),
373
374 COMPOSITE(0, "i2s1_src", mux_pll_src_3plls_p, 0,
375 RK2928_CLKSEL_CON(3), 14, 2, MFLAGS, 0, 7, DFLAGS,
376 RK2928_CLKGATE_CON(0), 9, GFLAGS),
377 COMPOSITE_FRACMUX(0, "i2s1_frac", "i2s1_src", CLK_SET_RATE_PARENT,
378 RK2928_CLKSEL_CON(7), 0,
379 RK2928_CLKGATE_CON(0), 10, GFLAGS,
380 &rk3128_i2s1_fracmux),
381 GATE(SCLK_I2S1, "sclk_i2s1", "i2s1_pre", CLK_SET_RATE_PARENT,
382 RK2928_CLKGATE_CON(0), 14, GFLAGS),
383 COMPOSITE_NODIV(SCLK_I2S_OUT, "i2s_out", mux_i2s_out_p, 0,
384 RK2928_CLKSEL_CON(3), 12, 1, MFLAGS,
385 RK2928_CLKGATE_CON(0), 13, GFLAGS),
386
387 COMPOSITE(0, "sclk_spdif_src", mux_pll_src_3plls_p, 0,
388 RK2928_CLKSEL_CON(6), 14, 2, MFLAGS, 0, 7, DFLAGS,
389 RK2928_CLKGATE_CON(2), 10, GFLAGS),
390 COMPOSITE_FRACMUX(0, "spdif_frac", "sclk_spdif_src", CLK_SET_RATE_PARENT,
391 RK2928_CLKSEL_CON(20), 0,
392 RK2928_CLKGATE_CON(2), 12, GFLAGS,
393 &rk3128_spdif_fracmux),
394
395 GATE(0, "jtag", "ext_jtag", CLK_IGNORE_UNUSED,
396 RK2928_CLKGATE_CON(1), 3, GFLAGS),
397
398 GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin12m", 0,
399 RK2928_CLKGATE_CON(1), 5, GFLAGS),
400 GATE(SCLK_OTGPHY1, "sclk_otgphy1", "xin12m", 0,
401 RK2928_CLKGATE_CON(1), 6, GFLAGS),
402
403 COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
404 RK2928_CLKSEL_CON(24), 8, 8, DFLAGS,
405 RK2928_CLKGATE_CON(2), 8, GFLAGS),
406
407 COMPOSITE(ACLK_GPU, "aclk_gpu", mux_pll_src_5plls_p, 0,
408 RK2928_CLKSEL_CON(34), 5, 3, MFLAGS, 0, 5, DFLAGS,
409 RK2928_CLKGATE_CON(3), 13, GFLAGS),
410
411 COMPOSITE(SCLK_SPI0, "sclk_spi0", mux_pll_src_3plls_p, 0,
412 RK2928_CLKSEL_CON(25), 8, 2, MFLAGS, 0, 7, DFLAGS,
413 RK2928_CLKGATE_CON(2), 9, GFLAGS),
414
415 /* PD_UART */
416 COMPOSITE(0, "uart0_src", mux_pll_src_4plls_p, 0,
417 RK2928_CLKSEL_CON(13), 12, 2, MFLAGS, 0, 7, DFLAGS,
418 RK2928_CLKGATE_CON(1), 8, GFLAGS),
419 MUX(0, "uart12_src", mux_pll_src_4plls_p, 0,
420 RK2928_CLKSEL_CON(13), 14, 2, MFLAGS),
421 COMPOSITE_NOMUX(0, "uart1_src", "uart12_src", 0,
422 RK2928_CLKSEL_CON(14), 0, 7, DFLAGS,
423 RK2928_CLKGATE_CON(1), 10, GFLAGS),
424 COMPOSITE_NOMUX(0, "uart2_src", "uart12_src", 0,
425 RK2928_CLKSEL_CON(15), 0, 7, DFLAGS,
426 RK2928_CLKGATE_CON(1), 13, GFLAGS),
427 COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT,
428 RK2928_CLKSEL_CON(17), 0,
429 RK2928_CLKGATE_CON(1), 9, GFLAGS,
430 &rk3128_uart0_fracmux),
431 COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT,
432 RK2928_CLKSEL_CON(18), 0,
433 RK2928_CLKGATE_CON(1), 11, GFLAGS,
434 &rk3128_uart1_fracmux),
435 COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT,
436 RK2928_CLKSEL_CON(19), 0,
437 RK2928_CLKGATE_CON(1), 13, GFLAGS,
438 &rk3128_uart2_fracmux),
439
440 COMPOSITE(SCLK_MAC_SRC, "sclk_gmac_src", mux_pll_src_3plls_p, 0,
441 RK2928_CLKSEL_CON(5), 6, 2, MFLAGS, 0, 5, DFLAGS,
442 RK2928_CLKGATE_CON(1), 7, GFLAGS),
443 MUX(SCLK_MAC, "sclk_gmac", mux_sclk_gmac_p, 0,
444 RK2928_CLKSEL_CON(5), 15, 1, MFLAGS),
445 GATE(SCLK_MAC_REFOUT, "sclk_mac_refout", "sclk_gmac", 0,
446 RK2928_CLKGATE_CON(2), 5, GFLAGS),
447 GATE(SCLK_MAC_REF, "sclk_mac_ref", "sclk_gmac", 0,
448 RK2928_CLKGATE_CON(2), 4, GFLAGS),
449 GATE(SCLK_MAC_RX, "sclk_mac_rx", "sclk_gmac", 0,
450 RK2928_CLKGATE_CON(2), 6, GFLAGS),
451 GATE(SCLK_MAC_TX, "sclk_mac_tx", "sclk_gmac", 0,
452 RK2928_CLKGATE_CON(2), 7, GFLAGS),
453
454 COMPOSITE(SCLK_TSP, "sclk_tsp", mux_pll_src_3plls_p, 0,
455 RK2928_CLKSEL_CON(4), 6, 2, MFLAGS, 0, 5, DFLAGS,
456 RK2928_CLKGATE_CON(1), 14, GFLAGS),
457
458 COMPOSITE(SCLK_NANDC, "sclk_nandc", mux_pll_src_3plls_p, 0,
459 RK2928_CLKSEL_CON(2), 14, 2, MFLAGS, 8, 5, DFLAGS,
460 RK2928_CLKGATE_CON(10), 15, GFLAGS),
461
462 COMPOSITE_NOMUX(PCLK_PMU_PRE, "pclk_pmu_pre", "cpll", 0,
463 RK2928_CLKSEL_CON(29), 8, 6, DFLAGS,
464 RK2928_CLKGATE_CON(1), 0, GFLAGS),
465
466 /*
467 * Clock-Architecture Diagram 3
468 */
469
470 /* PD_VOP */
471 GATE(ACLK_LCDC0, "aclk_lcdc0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 0, GFLAGS),
472 GATE(ACLK_CIF, "aclk_cif", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 5, GFLAGS),
473 GATE(ACLK_RGA, "aclk_rga", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 11, GFLAGS),
474 GATE(0, "aclk_vio0_niu", "aclk_vio0", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(6), 13, GFLAGS),
475
476 GATE(ACLK_IEP, "aclk_iep", "aclk_vio1", 0, RK2928_CLKGATE_CON(9), 8, GFLAGS),
477 GATE(0, "aclk_vio1_niu", "aclk_vio1", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 10, GFLAGS),
478
479 GATE(HCLK_VIO_H2P, "hclk_vio_h2p", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS),
480 GATE(PCLK_MIPI, "pclk_mipi", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS),
481 GATE(HCLK_RGA, "hclk_rga", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS),
482 GATE(HCLK_LCDC0, "hclk_lcdc0", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 1, GFLAGS),
483 GATE(HCLK_IEP, "hclk_iep", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 7, GFLAGS),
484 GATE(0, "hclk_vio_niu", "hclk_vio", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(6), 12, GFLAGS),
485 GATE(HCLK_CIF, "hclk_cif", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 4, GFLAGS),
486 GATE(HCLK_EBC, "hclk_ebc", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 9, GFLAGS),
487
488 /* PD_PERI */
489 GATE(0, "aclk_peri_axi", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS),
490 GATE(ACLK_GMAC, "aclk_gmac", "aclk_peri", 0, RK2928_CLKGATE_CON(10), 10, GFLAGS),
491 GATE(ACLK_DMAC, "aclk_dmac", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS),
492 GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 15, GFLAGS),
493 GATE(0, "aclk_cpu_to_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS),
494
495 GATE(HCLK_I2S_8CH, "hclk_i2s_8ch", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
496 GATE(0, "hclk_peri_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS),
497 GATE(HCLK_I2S_2CH, "hclk_i2s_2ch", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),
498 GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 13, GFLAGS),
499 GATE(HCLK_HOST2, "hclk_host2", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS),
500 GATE(HCLK_OTG, "hclk_otg", "hclk_peri", 0, RK2928_CLKGATE_CON(3), 13, GFLAGS),
501 GATE(0, "hclk_peri_ahb", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 14, GFLAGS),
502 GATE(HCLK_SPDIF, "hclk_spdif", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 9, GFLAGS),
503 GATE(HCLK_TSP, "hclk_tsp", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 12, GFLAGS),
504 GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS),
505 GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS),
506 GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS),
507 GATE(0, "hclk_emmc_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 6, GFLAGS),
508 GATE(HCLK_NANDC, "hclk_nandc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS),
509 GATE(HCLK_USBHOST, "hclk_usbhost", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 14, GFLAGS),
510
511 GATE(PCLK_SIM_CARD, "pclk_sim_card", "pclk_peri", 0, RK2928_CLKGATE_CON(9), 12, GFLAGS),
512 GATE(PCLK_GMAC, "pclk_gmac", "pclk_peri", 0, RK2928_CLKGATE_CON(10), 11, GFLAGS),
513 GATE(0, "pclk_peri_axi", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS),
514 GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS),
515 GATE(PCLK_UART0, "pclk_uart0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
516 GATE(PCLK_UART1, "pclk_uart1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
517 GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS),
518 GATE(PCLK_PWM, "pclk_pwm", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS),
519 GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
520 GATE(PCLK_I2C0, "pclk_i2c0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS),
521 GATE(PCLK_I2C1, "pclk_i2c1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS),
522 GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS),
523 GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS),
524 GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS),
525 GATE(PCLK_EFUSE, "pclk_efuse", "pclk_peri", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS),
526 GATE(PCLK_TIMER, "pclk_timer", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(7), 7, GFLAGS),
527 GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS),
528 GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS),
529 GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS),
530 GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS),
531
532 /* PD_BUS */
533 GATE(0, "aclk_initmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS),
534 GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS),
535
536 GATE(0, "hclk_rom", "hclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 6, GFLAGS),
537 GATE(HCLK_CRYPTO, "hclk_crypto", "hclk_cpu", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
538
539 GATE(PCLK_ACODEC, "pclk_acodec", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 14, GFLAGS),
540 GATE(0, "pclk_ddrupctl", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 7, GFLAGS),
541 GATE(0, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS),
542 GATE(0, "pclk_mipiphy", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 0, GFLAGS),
543
544 GATE(0, "pclk_pmu", "pclk_pmu_pre", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS),
545 GATE(0, "pclk_pmu_niu", "pclk_pmu_pre", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 3, GFLAGS),
546
547 /* PD_MMC */
548 MMC(SCLK_SDMMC_DRV, "sdmmc_drv", "sclk_sdmmc", RK3228_SDMMC_CON0, 1),
549 MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3228_SDMMC_CON1, 0),
550
551 MMC(SCLK_SDIO_DRV, "sdio_drv", "sclk_sdio", RK3228_SDIO_CON0, 1),
552 MMC(SCLK_SDIO_SAMPLE, "sdio_sample", "sclk_sdio", RK3228_SDIO_CON1, 0),
553
554 MMC(SCLK_EMMC_DRV, "emmc_drv", "sclk_emmc", RK3228_EMMC_CON0, 1),
555 MMC(SCLK_EMMC_SAMPLE, "emmc_sample", "sclk_emmc", RK3228_EMMC_CON1, 0),
556 };
557
558 static struct rockchip_clk_branch rk3126_clk_branches[] __initdata = {
559 GATE(0, "pclk_stimer", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 15, GFLAGS),
560 GATE(0, "pclk_s_efuse", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 14, GFLAGS),
561 GATE(0, "pclk_sgrf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 8, GFLAGS),
562 };
563
564 static struct rockchip_clk_branch rk3128_clk_branches[] __initdata = {
565 COMPOSITE(SCLK_SFC, "sclk_sfc", mux_sclk_sfc_src_p, 0,
566 RK2928_CLKSEL_CON(11), 14, 2, MFLAGS, 8, 5, DFLAGS,
567 RK2928_CLKGATE_CON(3), 15, GFLAGS),
568
569 GATE(HCLK_GPS, "hclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
570 GATE(PCLK_HDMI, "pclk_hdmi", "pclk_cpu", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
571 };
572
573 static const char *const rk3128_critical_clocks[] __initconst = {
574 "aclk_cpu",
575 "hclk_cpu",
576 "pclk_cpu",
577 "aclk_peri",
578 "hclk_peri",
579 "pclk_peri",
580 "pclk_pmu",
581 "sclk_timer5",
582 };
583
584 static struct rockchip_clk_provider *__init rk3128_common_clk_init(struct device_node *np)
585 {
586 struct rockchip_clk_provider *ctx;
587 void __iomem *reg_base;
588
589 reg_base = of_iomap(np, 0);
590 if (!reg_base) {
591 pr_err("%s: could not map cru region\n", __func__);
592 return ERR_PTR(-ENOMEM);
593 }
594
595 ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
596 if (IS_ERR(ctx)) {
597 pr_err("%s: rockchip clk init failed\n", __func__);
598 iounmap(reg_base);
599 return ERR_PTR(-ENOMEM);
600 }
601
602 rockchip_clk_register_plls(ctx, rk3128_pll_clks,
603 ARRAY_SIZE(rk3128_pll_clks),
604 RK3128_GRF_SOC_STATUS0);
605 rockchip_clk_register_branches(ctx, common_clk_branches,
606 ARRAY_SIZE(common_clk_branches));
607
608 rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
609 mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
610 &rk3128_cpuclk_data, rk3128_cpuclk_rates,
611 ARRAY_SIZE(rk3128_cpuclk_rates));
612
613 rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
614 ROCKCHIP_SOFTRST_HIWORD_MASK);
615
616 rockchip_register_restart_notifier(ctx, RK2928_GLB_SRST_FST, NULL);
617
618 return ctx;
619 }
620
621 static void __init rk3126_clk_init(struct device_node *np)
622 {
623 struct rockchip_clk_provider *ctx;
624
625 ctx = rk3128_common_clk_init(np);
626 if (IS_ERR(ctx))
627 return;
628
629 rockchip_clk_register_branches(ctx, rk3126_clk_branches,
630 ARRAY_SIZE(rk3126_clk_branches));
631 rockchip_clk_protect_critical(rk3128_critical_clocks,
632 ARRAY_SIZE(rk3128_critical_clocks));
633
634 rockchip_clk_of_add_provider(np, ctx);
635 }
636
637 CLK_OF_DECLARE(rk3126_cru, "rockchip,rk3126-cru", rk3126_clk_init);
638
639 static void __init rk3128_clk_init(struct device_node *np)
640 {
641 struct rockchip_clk_provider *ctx;
642
643 ctx = rk3128_common_clk_init(np);
644 if (IS_ERR(ctx))
645 return;
646
647 rockchip_clk_register_branches(ctx, rk3128_clk_branches,
648 ARRAY_SIZE(rk3128_clk_branches));
649 rockchip_clk_protect_critical(rk3128_critical_clocks,
650 ARRAY_SIZE(rk3128_critical_clocks));
651
652 rockchip_clk_of_add_provider(np, ctx);
653 }
654
655 CLK_OF_DECLARE(rk3128_cru, "rockchip,rk3128-cru", rk3128_clk_init);
Linux with added FPC-III support