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WIP FPC-III support
[linux/fpc-iii.git] / drivers / clk / rockchip / clk-rk3128.c
blob4b1122e98e167b0e45423a17e4b11f0de606be4e
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 2017 Rockchip Electronics Co. Ltd.
4 * Author: Elaine <zhangqing@rock-chips.com>
5 */
6
7 #include <linux/clk-provider.h>
8 #include <linux/io.h>
9 #include <linux/of.h>
10 #include <linux/of_address.h>
11 #include <linux/syscore_ops.h>
12 #include <dt-bindings/clock/rk3128-cru.h>
13 #include "clk.h"
14
15 #define RK3128_GRF_SOC_STATUS0 0x14c
16
17 enum rk3128_plls {
18 apll, dpll, cpll, gpll,
19 };
20
21 static struct rockchip_pll_rate_table rk3128_pll_rates[] = {
22 /* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */
23 RK3036_PLL_RATE(1608000000, 1, 67, 1, 1, 1, 0),
24 RK3036_PLL_RATE(1584000000, 1, 66, 1, 1, 1, 0),
25 RK3036_PLL_RATE(1560000000, 1, 65, 1, 1, 1, 0),
26 RK3036_PLL_RATE(1536000000, 1, 64, 1, 1, 1, 0),
27 RK3036_PLL_RATE(1512000000, 1, 63, 1, 1, 1, 0),
28 RK3036_PLL_RATE(1488000000, 1, 62, 1, 1, 1, 0),
29 RK3036_PLL_RATE(1464000000, 1, 61, 1, 1, 1, 0),
30 RK3036_PLL_RATE(1440000000, 1, 60, 1, 1, 1, 0),
31 RK3036_PLL_RATE(1416000000, 1, 59, 1, 1, 1, 0),
32 RK3036_PLL_RATE(1392000000, 1, 58, 1, 1, 1, 0),
33 RK3036_PLL_RATE(1368000000, 1, 57, 1, 1, 1, 0),
34 RK3036_PLL_RATE(1344000000, 1, 56, 1, 1, 1, 0),
35 RK3036_PLL_RATE(1320000000, 1, 55, 1, 1, 1, 0),
36 RK3036_PLL_RATE(1296000000, 1, 54, 1, 1, 1, 0),
37 RK3036_PLL_RATE(1272000000, 1, 53, 1, 1, 1, 0),
38 RK3036_PLL_RATE(1248000000, 1, 52, 1, 1, 1, 0),
39 RK3036_PLL_RATE(1200000000, 1, 50, 1, 1, 1, 0),
40 RK3036_PLL_RATE(1188000000, 2, 99, 1, 1, 1, 0),
41 RK3036_PLL_RATE(1104000000, 1, 46, 1, 1, 1, 0),
42 RK3036_PLL_RATE(1100000000, 12, 550, 1, 1, 1, 0),
43 RK3036_PLL_RATE(1008000000, 1, 84, 2, 1, 1, 0),
44 RK3036_PLL_RATE(1000000000, 6, 500, 2, 1, 1, 0),
45 RK3036_PLL_RATE(984000000, 1, 82, 2, 1, 1, 0),
46 RK3036_PLL_RATE(960000000, 1, 80, 2, 1, 1, 0),
47 RK3036_PLL_RATE(936000000, 1, 78, 2, 1, 1, 0),
48 RK3036_PLL_RATE(912000000, 1, 76, 2, 1, 1, 0),
49 RK3036_PLL_RATE(900000000, 4, 300, 2, 1, 1, 0),
50 RK3036_PLL_RATE(888000000, 1, 74, 2, 1, 1, 0),
51 RK3036_PLL_RATE(864000000, 1, 72, 2, 1, 1, 0),
52 RK3036_PLL_RATE(840000000, 1, 70, 2, 1, 1, 0),
53 RK3036_PLL_RATE(816000000, 1, 68, 2, 1, 1, 0),
54 RK3036_PLL_RATE(800000000, 6, 400, 2, 1, 1, 0),
55 RK3036_PLL_RATE(700000000, 6, 350, 2, 1, 1, 0),
56 RK3036_PLL_RATE(696000000, 1, 58, 2, 1, 1, 0),
57 RK3036_PLL_RATE(600000000, 1, 75, 3, 1, 1, 0),
58 RK3036_PLL_RATE(594000000, 2, 99, 2, 1, 1, 0),
59 RK3036_PLL_RATE(504000000, 1, 63, 3, 1, 1, 0),
60 RK3036_PLL_RATE(500000000, 6, 250, 2, 1, 1, 0),
61 RK3036_PLL_RATE(408000000, 1, 68, 2, 2, 1, 0),
62 RK3036_PLL_RATE(312000000, 1, 52, 2, 2, 1, 0),
63 RK3036_PLL_RATE(216000000, 1, 72, 4, 2, 1, 0),
64 RK3036_PLL_RATE(96000000, 1, 64, 4, 4, 1, 0),
65 { /* sentinel */ },
66 };
67
68 #define RK3128_DIV_CPU_MASK 0x1f
69 #define RK3128_DIV_CPU_SHIFT 8
70
71 #define RK3128_DIV_PERI_MASK 0xf
72 #define RK3128_DIV_PERI_SHIFT 0
73 #define RK3128_DIV_ACLK_MASK 0x7
74 #define RK3128_DIV_ACLK_SHIFT 4
75 #define RK3128_DIV_HCLK_MASK 0x3
76 #define RK3128_DIV_HCLK_SHIFT 8
77 #define RK3128_DIV_PCLK_MASK 0x7
78 #define RK3128_DIV_PCLK_SHIFT 12
79
80 #define RK3128_CLKSEL1(_core_aclk_div, _pclk_dbg_div) \
81 { \
82 .reg = RK2928_CLKSEL_CON(1), \
83 .val = HIWORD_UPDATE(_pclk_dbg_div, RK3128_DIV_PERI_MASK, \
84 RK3128_DIV_PERI_SHIFT) | \
85 HIWORD_UPDATE(_core_aclk_div, RK3128_DIV_ACLK_MASK, \
86 RK3128_DIV_ACLK_SHIFT), \
87 }
88
89 #define RK3128_CPUCLK_RATE(_prate, _core_aclk_div, _pclk_dbg_div) \
90 { \
91 .prate = _prate, \
92 .divs = { \
93 RK3128_CLKSEL1(_core_aclk_div, _pclk_dbg_div), \
94 }, \
95 }
96
97 static struct rockchip_cpuclk_rate_table rk3128_cpuclk_rates[] __initdata = {
98 RK3128_CPUCLK_RATE(1800000000, 1, 7),
99 RK3128_CPUCLK_RATE(1704000000, 1, 7),
100 RK3128_CPUCLK_RATE(1608000000, 1, 7),
101 RK3128_CPUCLK_RATE(1512000000, 1, 7),
102 RK3128_CPUCLK_RATE(1488000000, 1, 5),
103 RK3128_CPUCLK_RATE(1416000000, 1, 5),
104 RK3128_CPUCLK_RATE(1392000000, 1, 5),
105 RK3128_CPUCLK_RATE(1296000000, 1, 5),
106 RK3128_CPUCLK_RATE(1200000000, 1, 5),
107 RK3128_CPUCLK_RATE(1104000000, 1, 5),
108 RK3128_CPUCLK_RATE(1008000000, 1, 5),
109 RK3128_CPUCLK_RATE(912000000, 1, 5),
110 RK3128_CPUCLK_RATE(816000000, 1, 3),
111 RK3128_CPUCLK_RATE(696000000, 1, 3),
112 RK3128_CPUCLK_RATE(600000000, 1, 3),
113 RK3128_CPUCLK_RATE(408000000, 1, 1),
114 RK3128_CPUCLK_RATE(312000000, 1, 1),
115 RK3128_CPUCLK_RATE(216000000, 1, 1),
116 RK3128_CPUCLK_RATE(96000000, 1, 1),
117 };
118
119 static const struct rockchip_cpuclk_reg_data rk3128_cpuclk_data = {
120 .core_reg = RK2928_CLKSEL_CON(0),
121 .div_core_shift = 0,
122 .div_core_mask = 0x1f,
123 .mux_core_alt = 1,
124 .mux_core_main = 0,
125 .mux_core_shift = 7,
126 .mux_core_mask = 0x1,
127 };
128
129 PNAME(mux_pll_p) = { "clk_24m", "xin24m" };
130
131 PNAME(mux_ddrphy_p) = { "dpll_ddr", "gpll_div2_ddr" };
132 PNAME(mux_armclk_p) = { "apll_core", "gpll_div2_core" };
133 PNAME(mux_usb480m_p) = { "usb480m_phy", "xin24m" };
134 PNAME(mux_aclk_cpu_src_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3" };
135
136 PNAME(mux_pll_src_5plls_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3", "usb480m" };
137 PNAME(mux_pll_src_4plls_p) = { "cpll", "gpll", "gpll_div2", "usb480m" };
138 PNAME(mux_pll_src_3plls_p) = { "cpll", "gpll", "gpll_div2" };
139
140 PNAME(mux_aclk_peri_src_p) = { "gpll_peri", "cpll_peri", "gpll_div2_peri", "gpll_div3_peri" };
141 PNAME(mux_mmc_src_p) = { "cpll", "gpll", "gpll_div2", "xin24m" };
142 PNAME(mux_clk_cif_out_src_p) = { "clk_cif_src", "xin24m" };
143 PNAME(mux_sclk_vop_src_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3" };
144
145 PNAME(mux_i2s0_p) = { "i2s0_src", "i2s0_frac", "ext_i2s", "xin12m" };
146 PNAME(mux_i2s1_pre_p) = { "i2s1_src", "i2s1_frac", "ext_i2s", "xin12m" };
147 PNAME(mux_i2s_out_p) = { "i2s1_pre", "xin12m" };
148 PNAME(mux_sclk_spdif_p) = { "sclk_spdif_src", "spdif_frac", "xin12m" };
149
150 PNAME(mux_uart0_p) = { "uart0_src", "uart0_frac", "xin24m" };
151 PNAME(mux_uart1_p) = { "uart1_src", "uart1_frac", "xin24m" };
152 PNAME(mux_uart2_p) = { "uart2_src", "uart2_frac", "xin24m" };
153
154 PNAME(mux_sclk_gmac_p) = { "sclk_gmac_src", "gmac_clkin" };
155 PNAME(mux_sclk_sfc_src_p) = { "cpll", "gpll", "gpll_div2", "xin24m" };
156
157 static struct rockchip_pll_clock rk3128_pll_clks[] __initdata = {
158 [apll] = PLL(pll_rk3036, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
159 RK2928_MODE_CON, 0, 1, 0, rk3128_pll_rates),
160 [dpll] = PLL(pll_rk3036, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
161 RK2928_MODE_CON, 4, 0, 0, NULL),
162 [cpll] = PLL(pll_rk3036, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
163 RK2928_MODE_CON, 8, 2, 0, rk3128_pll_rates),
164 [gpll] = PLL(pll_rk3036, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
165 RK2928_MODE_CON, 12, 3, ROCKCHIP_PLL_SYNC_RATE, rk3128_pll_rates),
166 };
167
168 #define MFLAGS CLK_MUX_HIWORD_MASK
169 #define DFLAGS CLK_DIVIDER_HIWORD_MASK
170 #define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE)
171
172 static struct rockchip_clk_branch rk3128_i2s0_fracmux __initdata =
173 MUX(0, "i2s0_pre", mux_i2s0_p, CLK_SET_RATE_PARENT,
174 RK2928_CLKSEL_CON(9), 8, 2, MFLAGS);
175
176 static struct rockchip_clk_branch rk3128_i2s1_fracmux __initdata =
177 MUX(0, "i2s1_pre", mux_i2s1_pre_p, CLK_SET_RATE_PARENT,
178 RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
179
180 static struct rockchip_clk_branch rk3128_spdif_fracmux __initdata =
181 MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT,
182 RK2928_CLKSEL_CON(6), 8, 2, MFLAGS);
183
184 static struct rockchip_clk_branch rk3128_uart0_fracmux __initdata =
185 MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT,
186 RK2928_CLKSEL_CON(13), 8, 2, MFLAGS);
187
188 static struct rockchip_clk_branch rk3128_uart1_fracmux __initdata =
189 MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT,
190 RK2928_CLKSEL_CON(14), 8, 2, MFLAGS);
191
192 static struct rockchip_clk_branch rk3128_uart2_fracmux __initdata =
193 MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT,
194 RK2928_CLKSEL_CON(15), 8, 2, MFLAGS);
195
196 static struct rockchip_clk_branch common_clk_branches[] __initdata = {
197 /*
198 * Clock-Architecture Diagram 1
199 */
200
201 FACTOR(PLL_GPLL_DIV2, "gpll_div2", "gpll", 0, 1, 2),
202 FACTOR(PLL_GPLL_DIV3, "gpll_div3", "gpll", 0, 1, 3),
203
204 DIV(0, "clk_24m", "xin24m", CLK_IGNORE_UNUSED,
205 RK2928_CLKSEL_CON(4), 8, 5, DFLAGS),
206
207 /* PD_DDR */
208 GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED,
209 RK2928_CLKGATE_CON(0), 2, GFLAGS),
210 GATE(0, "gpll_div2_ddr", "gpll_div2", CLK_IGNORE_UNUSED,
211 RK2928_CLKGATE_CON(0), 2, GFLAGS),
212 COMPOSITE_NOGATE(0, "ddrphy2x", mux_ddrphy_p, CLK_IGNORE_UNUSED,
213 RK2928_CLKSEL_CON(26), 8, 2, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
214 FACTOR(SCLK_DDRC, "clk_ddrc", "ddrphy2x", 0, 1, 2),
215 FACTOR(0, "clk_ddrphy", "ddrphy2x", 0, 1, 2),
216
217 /* PD_CORE */
218 GATE(0, "apll_core", "apll", CLK_IGNORE_UNUSED,
219 RK2928_CLKGATE_CON(0), 6, GFLAGS),
220 GATE(0, "gpll_div2_core", "gpll_div2", CLK_IGNORE_UNUSED,
221 RK2928_CLKGATE_CON(0), 6, GFLAGS),
222 COMPOSITE_NOMUX(0, "pclk_dbg", "armclk", CLK_IGNORE_UNUSED,
223 RK2928_CLKSEL_CON(1), 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,
224 RK2928_CLKGATE_CON(0), 0, GFLAGS),
225 COMPOSITE_NOMUX(0, "armcore", "armclk", CLK_IGNORE_UNUSED,
226 RK2928_CLKSEL_CON(1), 4, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
227 RK2928_CLKGATE_CON(0), 7, GFLAGS),
228
229 /* PD_MISC */
230 MUX(SCLK_USB480M, "usb480m", mux_usb480m_p, CLK_SET_RATE_PARENT,
231 RK2928_MISC_CON, 15, 1, MFLAGS),
232
233 /* PD_CPU */
234 COMPOSITE(0, "aclk_cpu_src", mux_aclk_cpu_src_p, 0,
235 RK2928_CLKSEL_CON(0), 13, 2, MFLAGS, 8, 5, DFLAGS,
236 RK2928_CLKGATE_CON(0), 1, GFLAGS),
237 GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_src", 0,
238 RK2928_CLKGATE_CON(0), 3, GFLAGS),
239 COMPOSITE_NOMUX(HCLK_CPU, "hclk_cpu", "aclk_cpu_src", 0,
240 RK2928_CLKSEL_CON(1), 8, 2, DFLAGS,
241 RK2928_CLKGATE_CON(0), 4, GFLAGS),
242 COMPOSITE_NOMUX(PCLK_CPU, "pclk_cpu", "aclk_cpu_src", 0,
243 RK2928_CLKSEL_CON(1), 12, 2, DFLAGS,
244 RK2928_CLKGATE_CON(0), 5, GFLAGS),
245 COMPOSITE_NOMUX(SCLK_CRYPTO, "clk_crypto", "aclk_cpu_src", 0,
246 RK2928_CLKSEL_CON(24), 0, 2, DFLAGS,
247 RK2928_CLKGATE_CON(0), 12, GFLAGS),
248
249 /* PD_VIDEO */
250 COMPOSITE(ACLK_VEPU, "aclk_vepu", mux_pll_src_5plls_p, 0,
251 RK2928_CLKSEL_CON(32), 5, 3, MFLAGS, 0, 5, DFLAGS,
252 RK2928_CLKGATE_CON(3), 9, GFLAGS),
253 FACTOR(HCLK_VEPU, "hclk_vepu", "aclk_vepu", 0, 1, 4),
254
255 COMPOSITE(ACLK_VDPU, "aclk_vdpu", mux_pll_src_5plls_p, 0,
256 RK2928_CLKSEL_CON(32), 13, 3, MFLAGS, 8, 5, DFLAGS,
257 RK2928_CLKGATE_CON(3), 11, GFLAGS),
258 FACTOR_GATE(HCLK_VDPU, "hclk_vdpu", "aclk_vdpu", 0, 1, 4,
259 RK2928_CLKGATE_CON(3), 12, GFLAGS),
260
261 COMPOSITE(SCLK_HEVC_CORE, "sclk_hevc_core", mux_pll_src_5plls_p, 0,
262 RK2928_CLKSEL_CON(34), 13, 3, MFLAGS, 8, 5, DFLAGS,
263 RK2928_CLKGATE_CON(3), 10, GFLAGS),
264
265 /* PD_VIO */
266 COMPOSITE(ACLK_VIO0, "aclk_vio0", mux_pll_src_5plls_p, 0,
267 RK2928_CLKSEL_CON(31), 5, 3, MFLAGS, 0, 5, DFLAGS,
268 RK2928_CLKGATE_CON(3), 0, GFLAGS),
269 COMPOSITE(ACLK_VIO1, "aclk_vio1", mux_pll_src_5plls_p, 0,
270 RK2928_CLKSEL_CON(31), 13, 3, MFLAGS, 8, 5, DFLAGS,
271 RK2928_CLKGATE_CON(1), 4, GFLAGS),
272 COMPOSITE(HCLK_VIO, "hclk_vio", mux_pll_src_4plls_p, 0,
273 RK2928_CLKSEL_CON(30), 14, 2, MFLAGS, 8, 5, DFLAGS,
274 RK2928_CLKGATE_CON(0), 11, GFLAGS),
275
276 /* PD_PERI */
277 GATE(0, "gpll_peri", "gpll", CLK_IGNORE_UNUSED,
278 RK2928_CLKGATE_CON(2), 0, GFLAGS),
279 GATE(0, "cpll_peri", "cpll", CLK_IGNORE_UNUSED,
280 RK2928_CLKGATE_CON(2), 0, GFLAGS),
281 GATE(0, "gpll_div2_peri", "gpll_div2", CLK_IGNORE_UNUSED,
282 RK2928_CLKGATE_CON(2), 0, GFLAGS),
283 GATE(0, "gpll_div3_peri", "gpll_div3", CLK_IGNORE_UNUSED,
284 RK2928_CLKGATE_CON(2), 0, GFLAGS),
285 COMPOSITE_NOGATE(0, "aclk_peri_src", mux_aclk_peri_src_p, 0,
286 RK2928_CLKSEL_CON(10), 14, 2, MFLAGS, 0, 5, DFLAGS),
287 COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_src", 0,
288 RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
289 RK2928_CLKGATE_CON(2), 3, GFLAGS),
290 COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", 0,
291 RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
292 RK2928_CLKGATE_CON(2), 2, GFLAGS),
293 GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", 0,
294 RK2928_CLKGATE_CON(2), 1, GFLAGS),
295
296 GATE(SCLK_TIMER0, "sclk_timer0", "xin24m", 0,
297 RK2928_CLKGATE_CON(10), 3, GFLAGS),
298 GATE(SCLK_TIMER1, "sclk_timer1", "xin24m", 0,
299 RK2928_CLKGATE_CON(10), 4, GFLAGS),
300 GATE(SCLK_TIMER2, "sclk_timer2", "xin24m", 0,
301 RK2928_CLKGATE_CON(10), 5, GFLAGS),
302 GATE(SCLK_TIMER3, "sclk_timer3", "xin24m", 0,
303 RK2928_CLKGATE_CON(10), 6, GFLAGS),
304 GATE(SCLK_TIMER4, "sclk_timer4", "xin24m", 0,
305 RK2928_CLKGATE_CON(10), 7, GFLAGS),
306 GATE(SCLK_TIMER5, "sclk_timer5", "xin24m", 0,
307 RK2928_CLKGATE_CON(10), 8, GFLAGS),
308
309 GATE(SCLK_PVTM_CORE, "clk_pvtm_core", "xin24m", 0,
310 RK2928_CLKGATE_CON(10), 0, GFLAGS),
311 GATE(SCLK_PVTM_GPU, "clk_pvtm_gpu", "xin24m", 0,
312 RK2928_CLKGATE_CON(10), 1, GFLAGS),
313 GATE(SCLK_PVTM_FUNC, "clk_pvtm_func", "xin24m", 0,
314 RK2928_CLKGATE_CON(10), 2, GFLAGS),
315 GATE(SCLK_MIPI_24M, "clk_mipi_24m", "xin24m", CLK_IGNORE_UNUSED,
316 RK2928_CLKGATE_CON(2), 15, GFLAGS),
317
318 COMPOSITE(SCLK_SDMMC, "sclk_sdmmc0", mux_mmc_src_p, 0,
319 RK2928_CLKSEL_CON(11), 6, 2, MFLAGS, 0, 6, DFLAGS,
320 RK2928_CLKGATE_CON(2), 11, GFLAGS),
321
322 COMPOSITE(SCLK_SDIO, "sclk_sdio", mux_mmc_src_p, 0,
323 RK2928_CLKSEL_CON(12), 6, 2, MFLAGS, 0, 6, DFLAGS,
324 RK2928_CLKGATE_CON(2), 13, GFLAGS),
325
326 COMPOSITE(SCLK_EMMC, "sclk_emmc", mux_mmc_src_p, 0,
327 RK2928_CLKSEL_CON(12), 14, 2, MFLAGS, 8, 6, DFLAGS,
328 RK2928_CLKGATE_CON(2), 14, GFLAGS),
329
330 DIV(SCLK_PVTM, "clk_pvtm", "clk_pvtm_func", 0,
331 RK2928_CLKSEL_CON(2), 0, 7, DFLAGS),
332
333 /*
334 * Clock-Architecture Diagram 2
335 */
336 COMPOSITE(DCLK_VOP, "dclk_vop", mux_sclk_vop_src_p, 0,
337 RK2928_CLKSEL_CON(27), 0, 2, MFLAGS, 8, 8, DFLAGS,
338 RK2928_CLKGATE_CON(3), 1, GFLAGS),
339 COMPOSITE(SCLK_VOP, "sclk_vop", mux_sclk_vop_src_p, 0,
340 RK2928_CLKSEL_CON(28), 0, 2, MFLAGS, 8, 8, DFLAGS,
341 RK2928_CLKGATE_CON(3), 2, GFLAGS),
342 COMPOSITE(DCLK_EBC, "dclk_ebc", mux_pll_src_3plls_p, 0,
343 RK2928_CLKSEL_CON(23), 0, 2, MFLAGS, 8, 8, DFLAGS,
344 RK2928_CLKGATE_CON(3), 4, GFLAGS),
345
346 FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
347
348 COMPOSITE_NODIV(SCLK_CIF_SRC, "sclk_cif_src", mux_pll_src_4plls_p, 0,
349 RK2928_CLKSEL_CON(29), 0, 2, MFLAGS,
350 RK2928_CLKGATE_CON(3), 7, GFLAGS),
351 MUX(SCLK_CIF_OUT_SRC, "sclk_cif_out_src", mux_clk_cif_out_src_p, 0,
352 RK2928_CLKSEL_CON(13), 14, 2, MFLAGS),
353 DIV(SCLK_CIF_OUT, "sclk_cif_out", "sclk_cif_out_src", 0,
354 RK2928_CLKSEL_CON(29), 2, 5, DFLAGS),
355
356 COMPOSITE(0, "i2s0_src", mux_pll_src_3plls_p, 0,
357 RK2928_CLKSEL_CON(9), 14, 2, MFLAGS, 0, 7, DFLAGS,
358 RK2928_CLKGATE_CON(4), 4, GFLAGS),
359 COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_src", CLK_SET_RATE_PARENT,
360 RK2928_CLKSEL_CON(8), 0,
361 RK2928_CLKGATE_CON(4), 5, GFLAGS,
362 &rk3128_i2s0_fracmux),
363 GATE(SCLK_I2S0, "sclk_i2s0", "i2s0_pre", CLK_SET_RATE_PARENT,
364 RK2928_CLKGATE_CON(4), 6, GFLAGS),
365
366 COMPOSITE(0, "i2s1_src", mux_pll_src_3plls_p, 0,
367 RK2928_CLKSEL_CON(3), 14, 2, MFLAGS, 0, 7, DFLAGS,
368 RK2928_CLKGATE_CON(0), 9, GFLAGS),
369 COMPOSITE_FRACMUX(0, "i2s1_frac", "i2s1_src", CLK_SET_RATE_PARENT,
370 RK2928_CLKSEL_CON(7), 0,
371 RK2928_CLKGATE_CON(0), 10, GFLAGS,
372 &rk3128_i2s1_fracmux),
373 GATE(SCLK_I2S1, "sclk_i2s1", "i2s1_pre", CLK_SET_RATE_PARENT,
374 RK2928_CLKGATE_CON(0), 14, GFLAGS),
375 COMPOSITE_NODIV(SCLK_I2S_OUT, "i2s_out", mux_i2s_out_p, 0,
376 RK2928_CLKSEL_CON(3), 12, 1, MFLAGS,
377 RK2928_CLKGATE_CON(0), 13, GFLAGS),
378
379 COMPOSITE(0, "sclk_spdif_src", mux_pll_src_3plls_p, 0,
380 RK2928_CLKSEL_CON(6), 14, 2, MFLAGS, 0, 7, DFLAGS,
381 RK2928_CLKGATE_CON(2), 10, GFLAGS),
382 COMPOSITE_FRACMUX(0, "spdif_frac", "sclk_spdif_src", CLK_SET_RATE_PARENT,
383 RK2928_CLKSEL_CON(20), 0,
384 RK2928_CLKGATE_CON(2), 12, GFLAGS,
385 &rk3128_spdif_fracmux),
386
387 GATE(0, "jtag", "ext_jtag", CLK_IGNORE_UNUSED,
388 RK2928_CLKGATE_CON(1), 3, GFLAGS),
389
390 GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin12m", 0,
391 RK2928_CLKGATE_CON(1), 5, GFLAGS),
392 GATE(SCLK_OTGPHY1, "sclk_otgphy1", "xin12m", 0,
393 RK2928_CLKGATE_CON(1), 6, GFLAGS),
394
395 COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
396 RK2928_CLKSEL_CON(24), 8, 8, DFLAGS,
397 RK2928_CLKGATE_CON(2), 8, GFLAGS),
398
399 COMPOSITE(ACLK_GPU, "aclk_gpu", mux_pll_src_5plls_p, 0,
400 RK2928_CLKSEL_CON(34), 5, 3, MFLAGS, 0, 5, DFLAGS,
401 RK2928_CLKGATE_CON(3), 13, GFLAGS),
402
403 COMPOSITE(SCLK_SPI0, "sclk_spi0", mux_pll_src_3plls_p, 0,
404 RK2928_CLKSEL_CON(25), 8, 2, MFLAGS, 0, 7, DFLAGS,
405 RK2928_CLKGATE_CON(2), 9, GFLAGS),
406
407 /* PD_UART */
408 COMPOSITE(0, "uart0_src", mux_pll_src_4plls_p, 0,
409 RK2928_CLKSEL_CON(13), 12, 2, MFLAGS, 0, 7, DFLAGS,
410 RK2928_CLKGATE_CON(1), 8, GFLAGS),
411 MUX(0, "uart12_src", mux_pll_src_4plls_p, 0,
412 RK2928_CLKSEL_CON(13), 14, 2, MFLAGS),
413 COMPOSITE_NOMUX(0, "uart1_src", "uart12_src", 0,
414 RK2928_CLKSEL_CON(14), 0, 7, DFLAGS,
415 RK2928_CLKGATE_CON(1), 10, GFLAGS),
416 COMPOSITE_NOMUX(0, "uart2_src", "uart12_src", 0,
417 RK2928_CLKSEL_CON(15), 0, 7, DFLAGS,
418 RK2928_CLKGATE_CON(1), 13, GFLAGS),
419 COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT,
420 RK2928_CLKSEL_CON(17), 0,
421 RK2928_CLKGATE_CON(1), 9, GFLAGS,
422 &rk3128_uart0_fracmux),
423 COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT,
424 RK2928_CLKSEL_CON(18), 0,
425 RK2928_CLKGATE_CON(1), 11, GFLAGS,
426 &rk3128_uart1_fracmux),
427 COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT,
428 RK2928_CLKSEL_CON(19), 0,
429 RK2928_CLKGATE_CON(1), 13, GFLAGS,
430 &rk3128_uart2_fracmux),
431
432 COMPOSITE(SCLK_MAC_SRC, "sclk_gmac_src", mux_pll_src_3plls_p, 0,
433 RK2928_CLKSEL_CON(5), 6, 2, MFLAGS, 0, 5, DFLAGS,
434 RK2928_CLKGATE_CON(1), 7, GFLAGS),
435 MUX(SCLK_MAC, "sclk_gmac", mux_sclk_gmac_p, 0,
436 RK2928_CLKSEL_CON(5), 15, 1, MFLAGS),
437 GATE(SCLK_MAC_REFOUT, "sclk_mac_refout", "sclk_gmac", 0,
438 RK2928_CLKGATE_CON(2), 5, GFLAGS),
439 GATE(SCLK_MAC_REF, "sclk_mac_ref", "sclk_gmac", 0,
440 RK2928_CLKGATE_CON(2), 4, GFLAGS),
441 GATE(SCLK_MAC_RX, "sclk_mac_rx", "sclk_gmac", 0,
442 RK2928_CLKGATE_CON(2), 6, GFLAGS),
443 GATE(SCLK_MAC_TX, "sclk_mac_tx", "sclk_gmac", 0,
444 RK2928_CLKGATE_CON(2), 7, GFLAGS),
445
446 COMPOSITE(SCLK_TSP, "sclk_tsp", mux_pll_src_3plls_p, 0,
447 RK2928_CLKSEL_CON(4), 6, 2, MFLAGS, 0, 5, DFLAGS,
448 RK2928_CLKGATE_CON(1), 14, GFLAGS),
449
450 COMPOSITE(SCLK_NANDC, "sclk_nandc", mux_pll_src_3plls_p, 0,
451 RK2928_CLKSEL_CON(2), 14, 2, MFLAGS, 8, 5, DFLAGS,
452 RK2928_CLKGATE_CON(10), 15, GFLAGS),
453
454 COMPOSITE_NOMUX(PCLK_PMU_PRE, "pclk_pmu_pre", "cpll", 0,
455 RK2928_CLKSEL_CON(29), 8, 6, DFLAGS,
456 RK2928_CLKGATE_CON(1), 0, GFLAGS),
457
458 /*
459 * Clock-Architecture Diagram 3
460 */
461
462 /* PD_VOP */
463 GATE(ACLK_LCDC0, "aclk_lcdc0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 0, GFLAGS),
464 GATE(ACLK_CIF, "aclk_cif", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 5, GFLAGS),
465 GATE(ACLK_RGA, "aclk_rga", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 11, GFLAGS),
466 GATE(0, "aclk_vio0_niu", "aclk_vio0", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(6), 13, GFLAGS),
467
468 GATE(ACLK_IEP, "aclk_iep", "aclk_vio1", 0, RK2928_CLKGATE_CON(9), 8, GFLAGS),
469 GATE(0, "aclk_vio1_niu", "aclk_vio1", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 10, GFLAGS),
470
471 GATE(HCLK_VIO_H2P, "hclk_vio_h2p", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS),
472 GATE(PCLK_MIPI, "pclk_mipi", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS),
473 GATE(HCLK_RGA, "hclk_rga", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS),
474 GATE(HCLK_LCDC0, "hclk_lcdc0", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 1, GFLAGS),
475 GATE(HCLK_IEP, "hclk_iep", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 7, GFLAGS),
476 GATE(0, "hclk_vio_niu", "hclk_vio", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(6), 12, GFLAGS),
477 GATE(HCLK_CIF, "hclk_cif", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 4, GFLAGS),
478 GATE(HCLK_EBC, "hclk_ebc", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 9, GFLAGS),
479
480 /* PD_PERI */
481 GATE(0, "aclk_peri_axi", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS),
482 GATE(ACLK_GMAC, "aclk_gmac", "aclk_peri", 0, RK2928_CLKGATE_CON(10), 10, GFLAGS),
483 GATE(ACLK_DMAC, "aclk_dmac", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS),
484 GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 15, GFLAGS),
485 GATE(0, "aclk_cpu_to_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS),
486
487 GATE(HCLK_I2S_8CH, "hclk_i2s_8ch", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
488 GATE(0, "hclk_peri_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS),
489 GATE(HCLK_I2S_2CH, "hclk_i2s_2ch", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),
490 GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 13, GFLAGS),
491 GATE(HCLK_HOST2, "hclk_host2", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS),
492 GATE(HCLK_OTG, "hclk_otg", "hclk_peri", 0, RK2928_CLKGATE_CON(3), 13, GFLAGS),
493 GATE(0, "hclk_peri_ahb", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 14, GFLAGS),
494 GATE(HCLK_SPDIF, "hclk_spdif", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 9, GFLAGS),
495 GATE(HCLK_TSP, "hclk_tsp", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 12, GFLAGS),
496 GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS),
497 GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS),
498 GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS),
499 GATE(0, "hclk_emmc_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 6, GFLAGS),
500 GATE(HCLK_NANDC, "hclk_nandc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS),
501 GATE(HCLK_USBHOST, "hclk_usbhost", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 14, GFLAGS),
502
503 GATE(PCLK_SIM_CARD, "pclk_sim_card", "pclk_peri", 0, RK2928_CLKGATE_CON(9), 12, GFLAGS),
504 GATE(PCLK_GMAC, "pclk_gmac", "pclk_peri", 0, RK2928_CLKGATE_CON(10), 11, GFLAGS),
505 GATE(0, "pclk_peri_axi", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS),
506 GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS),
507 GATE(PCLK_UART0, "pclk_uart0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
508 GATE(PCLK_UART1, "pclk_uart1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
509 GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS),
510 GATE(PCLK_PWM, "pclk_pwm", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS),
511 GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
512 GATE(PCLK_I2C0, "pclk_i2c0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS),
513 GATE(PCLK_I2C1, "pclk_i2c1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS),
514 GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS),
515 GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS),
516 GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS),
517 GATE(PCLK_EFUSE, "pclk_efuse", "pclk_peri", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS),
518 GATE(PCLK_TIMER, "pclk_timer", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(7), 7, GFLAGS),
519 GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS),
520 GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS),
521 GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS),
522 GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS),
523
524 /* PD_BUS */
525 GATE(0, "aclk_initmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS),
526 GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS),
527
528 GATE(0, "hclk_rom", "hclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 6, GFLAGS),
529 GATE(HCLK_CRYPTO, "hclk_crypto", "hclk_cpu", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
530
531 GATE(PCLK_ACODEC, "pclk_acodec", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 14, GFLAGS),
532 GATE(0, "pclk_ddrupctl", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 7, GFLAGS),
533 GATE(0, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS),
534 GATE(0, "pclk_mipiphy", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 0, GFLAGS),
535
536 GATE(0, "pclk_pmu", "pclk_pmu_pre", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS),
537 GATE(0, "pclk_pmu_niu", "pclk_pmu_pre", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 3, GFLAGS),
538
539 /* PD_MMC */
540 MMC(SCLK_SDMMC_DRV, "sdmmc_drv", "sclk_sdmmc", RK3228_SDMMC_CON0, 1),
541 MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3228_SDMMC_CON1, 0),
542
543 MMC(SCLK_SDIO_DRV, "sdio_drv", "sclk_sdio", RK3228_SDIO_CON0, 1),
544 MMC(SCLK_SDIO_SAMPLE, "sdio_sample", "sclk_sdio", RK3228_SDIO_CON1, 0),
545
546 MMC(SCLK_EMMC_DRV, "emmc_drv", "sclk_emmc", RK3228_EMMC_CON0, 1),
547 MMC(SCLK_EMMC_SAMPLE, "emmc_sample", "sclk_emmc", RK3228_EMMC_CON1, 0),
548 };
549
550 static struct rockchip_clk_branch rk3126_clk_branches[] __initdata = {
551 GATE(0, "pclk_stimer", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 15, GFLAGS),
552 GATE(0, "pclk_s_efuse", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 14, GFLAGS),
553 GATE(0, "pclk_sgrf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 8, GFLAGS),
554 };
555
556 static struct rockchip_clk_branch rk3128_clk_branches[] __initdata = {
557 COMPOSITE(SCLK_SFC, "sclk_sfc", mux_sclk_sfc_src_p, 0,
558 RK2928_CLKSEL_CON(11), 14, 2, MFLAGS, 8, 5, DFLAGS,
559 RK2928_CLKGATE_CON(3), 15, GFLAGS),
560
561 GATE(HCLK_GPS, "hclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
562 GATE(PCLK_HDMI, "pclk_hdmi", "pclk_cpu", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
563 };
564
565 static const char *const rk3128_critical_clocks[] __initconst = {
566 "aclk_cpu",
567 "hclk_cpu",
568 "pclk_cpu",
569 "aclk_peri",
570 "hclk_peri",
571 "pclk_peri",
572 "pclk_pmu",
573 "sclk_timer5",
574 };
575
576 static struct rockchip_clk_provider *__init rk3128_common_clk_init(struct device_node *np)
577 {
578 struct rockchip_clk_provider *ctx;
579 void __iomem *reg_base;
580
581 reg_base = of_iomap(np, 0);
582 if (!reg_base) {
583 pr_err("%s: could not map cru region\n", __func__);
584 return ERR_PTR(-ENOMEM);
585 }
586
587 ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
588 if (IS_ERR(ctx)) {
589 pr_err("%s: rockchip clk init failed\n", __func__);
590 iounmap(reg_base);
591 return ERR_PTR(-ENOMEM);
592 }
593
594 rockchip_clk_register_plls(ctx, rk3128_pll_clks,
595 ARRAY_SIZE(rk3128_pll_clks),
596 RK3128_GRF_SOC_STATUS0);
597 rockchip_clk_register_branches(ctx, common_clk_branches,
598 ARRAY_SIZE(common_clk_branches));
599
600 rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
601 mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
602 &rk3128_cpuclk_data, rk3128_cpuclk_rates,
603 ARRAY_SIZE(rk3128_cpuclk_rates));
604
605 rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
606 ROCKCHIP_SOFTRST_HIWORD_MASK);
607
608 rockchip_register_restart_notifier(ctx, RK2928_GLB_SRST_FST, NULL);
609
610 return ctx;
611 }
612
613 static void __init rk3126_clk_init(struct device_node *np)
614 {
615 struct rockchip_clk_provider *ctx;
616
617 ctx = rk3128_common_clk_init(np);
618 if (IS_ERR(ctx))
619 return;
620
621 rockchip_clk_register_branches(ctx, rk3126_clk_branches,
622 ARRAY_SIZE(rk3126_clk_branches));
623 rockchip_clk_protect_critical(rk3128_critical_clocks,
624 ARRAY_SIZE(rk3128_critical_clocks));
625
626 rockchip_clk_of_add_provider(np, ctx);
627 }
628
629 CLK_OF_DECLARE(rk3126_cru, "rockchip,rk3126-cru", rk3126_clk_init);
630
631 static void __init rk3128_clk_init(struct device_node *np)
632 {
633 struct rockchip_clk_provider *ctx;
634
635 ctx = rk3128_common_clk_init(np);
636 if (IS_ERR(ctx))
637 return;
638
639 rockchip_clk_register_branches(ctx, rk3128_clk_branches,
640 ARRAY_SIZE(rk3128_clk_branches));
641 rockchip_clk_protect_critical(rk3128_critical_clocks,
642 ARRAY_SIZE(rk3128_critical_clocks));
643
644 rockchip_clk_of_add_provider(np, ctx);
645 }
646
647 CLK_OF_DECLARE(rk3128_cru, "rockchip,rk3128-cru", rk3128_clk_init);
Linux with added FPC-III support