Merge tag 'for-5.13/parisc' of git://git.kernel.org/pub/scm/linux/kernel/git/deller...
[linux-2.6-microblaze.git] / drivers / clk / rockchip / clk-rk3128.c
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[0] = RK2928_CLKSEL_CON(0),
121         .div_core_shift[0] = 0,
122         .div_core_mask[0] = 0x1f,
123         .num_cores = 1,
124         .mux_core_alt = 1,
125         .mux_core_main = 0,
126         .mux_core_shift = 7,
127         .mux_core_mask = 0x1,
128 };
129
130 PNAME(mux_pll_p)                = { "clk_24m", "xin24m" };
131
132 PNAME(mux_ddrphy_p)             = { "dpll_ddr", "gpll_div2_ddr" };
133 PNAME(mux_armclk_p)             = { "apll_core", "gpll_div2_core" };
134 PNAME(mux_usb480m_p)            = { "usb480m_phy", "xin24m" };
135 PNAME(mux_aclk_cpu_src_p)       = { "cpll", "gpll", "gpll_div2", "gpll_div3" };
136
137 PNAME(mux_pll_src_5plls_p)      = { "cpll", "gpll", "gpll_div2", "gpll_div3", "usb480m" };
138 PNAME(mux_pll_src_4plls_p)      = { "cpll", "gpll", "gpll_div2", "usb480m" };
139 PNAME(mux_pll_src_3plls_p)      = { "cpll", "gpll", "gpll_div2" };
140
141 PNAME(mux_aclk_peri_src_p)      = { "gpll_peri", "cpll_peri", "gpll_div2_peri", "gpll_div3_peri" };
142 PNAME(mux_mmc_src_p)            = { "cpll", "gpll", "gpll_div2", "xin24m" };
143 PNAME(mux_clk_cif_out_src_p)            = { "clk_cif_src", "xin24m" };
144 PNAME(mux_sclk_vop_src_p)       = { "cpll", "gpll", "gpll_div2", "gpll_div3" };
145
146 PNAME(mux_i2s0_p)               = { "i2s0_src", "i2s0_frac", "ext_i2s", "xin12m" };
147 PNAME(mux_i2s1_pre_p)           = { "i2s1_src", "i2s1_frac", "ext_i2s", "xin12m" };
148 PNAME(mux_i2s_out_p)            = { "i2s1_pre", "xin12m" };
149 PNAME(mux_sclk_spdif_p)         = { "sclk_spdif_src", "spdif_frac", "xin12m" };
150
151 PNAME(mux_uart0_p)              = { "uart0_src", "uart0_frac", "xin24m" };
152 PNAME(mux_uart1_p)              = { "uart1_src", "uart1_frac", "xin24m" };
153 PNAME(mux_uart2_p)              = { "uart2_src", "uart2_frac", "xin24m" };
154
155 PNAME(mux_sclk_gmac_p)  = { "sclk_gmac_src", "gmac_clkin" };
156 PNAME(mux_sclk_sfc_src_p)       = { "cpll", "gpll", "gpll_div2", "xin24m" };
157
158 static struct rockchip_pll_clock rk3128_pll_clks[] __initdata = {
159         [apll] = PLL(pll_rk3036, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
160                      RK2928_MODE_CON, 0, 1, 0, rk3128_pll_rates),
161         [dpll] = PLL(pll_rk3036, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
162                      RK2928_MODE_CON, 4, 0, 0, NULL),
163         [cpll] = PLL(pll_rk3036, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
164                      RK2928_MODE_CON, 8, 2, 0, rk3128_pll_rates),
165         [gpll] = PLL(pll_rk3036, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
166                      RK2928_MODE_CON, 12, 3, ROCKCHIP_PLL_SYNC_RATE, rk3128_pll_rates),
167 };
168
169 #define MFLAGS CLK_MUX_HIWORD_MASK
170 #define DFLAGS CLK_DIVIDER_HIWORD_MASK
171 #define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE)
172
173 static struct rockchip_clk_branch rk3128_i2s0_fracmux __initdata =
174         MUX(0, "i2s0_pre", mux_i2s0_p, CLK_SET_RATE_PARENT,
175                         RK2928_CLKSEL_CON(9), 8, 2, MFLAGS);
176
177 static struct rockchip_clk_branch rk3128_i2s1_fracmux __initdata =
178         MUX(0, "i2s1_pre", mux_i2s1_pre_p, CLK_SET_RATE_PARENT,
179                         RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
180
181 static struct rockchip_clk_branch rk3128_spdif_fracmux __initdata =
182         MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT,
183                         RK2928_CLKSEL_CON(6), 8, 2, MFLAGS);
184
185 static struct rockchip_clk_branch rk3128_uart0_fracmux __initdata =
186         MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT,
187                         RK2928_CLKSEL_CON(13), 8, 2, MFLAGS);
188
189 static struct rockchip_clk_branch rk3128_uart1_fracmux __initdata =
190         MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT,
191                         RK2928_CLKSEL_CON(14), 8, 2, MFLAGS);
192
193 static struct rockchip_clk_branch rk3128_uart2_fracmux __initdata =
194         MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT,
195                         RK2928_CLKSEL_CON(15), 8, 2, MFLAGS);
196
197 static struct rockchip_clk_branch common_clk_branches[] __initdata = {
198         /*
199          * Clock-Architecture Diagram 1
200          */
201
202         FACTOR(PLL_GPLL_DIV2, "gpll_div2", "gpll", 0, 1, 2),
203         FACTOR(PLL_GPLL_DIV3, "gpll_div3", "gpll", 0, 1, 3),
204
205         DIV(0, "clk_24m", "xin24m", CLK_IGNORE_UNUSED,
206                         RK2928_CLKSEL_CON(4), 8, 5, DFLAGS),
207
208         /* PD_DDR */
209         GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED,
210                         RK2928_CLKGATE_CON(0), 2, GFLAGS),
211         GATE(0, "gpll_div2_ddr", "gpll_div2", CLK_IGNORE_UNUSED,
212                         RK2928_CLKGATE_CON(0), 2, GFLAGS),
213         COMPOSITE_NOGATE(0, "ddrphy2x", mux_ddrphy_p, CLK_IGNORE_UNUSED,
214                         RK2928_CLKSEL_CON(26), 8, 2, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
215         FACTOR(SCLK_DDRC, "clk_ddrc", "ddrphy2x", 0, 1, 2),
216         FACTOR(0, "clk_ddrphy", "ddrphy2x", 0, 1, 2),
217
218         /* PD_CORE */
219         GATE(0, "apll_core", "apll", CLK_IGNORE_UNUSED,
220                         RK2928_CLKGATE_CON(0), 6, GFLAGS),
221         GATE(0, "gpll_div2_core", "gpll_div2", CLK_IGNORE_UNUSED,
222                         RK2928_CLKGATE_CON(0), 6, GFLAGS),
223         COMPOSITE_NOMUX(0, "pclk_dbg", "armclk", CLK_IGNORE_UNUSED,
224                         RK2928_CLKSEL_CON(1), 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,
225                         RK2928_CLKGATE_CON(0), 0, GFLAGS),
226         COMPOSITE_NOMUX(0, "armcore", "armclk", CLK_IGNORE_UNUSED,
227                         RK2928_CLKSEL_CON(1), 4, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
228                         RK2928_CLKGATE_CON(0), 7, GFLAGS),
229
230         /* PD_MISC */
231         MUX(SCLK_USB480M, "usb480m", mux_usb480m_p, CLK_SET_RATE_PARENT,
232                         RK2928_MISC_CON, 15, 1, MFLAGS),
233
234         /* PD_CPU */
235         COMPOSITE(0, "aclk_cpu_src", mux_aclk_cpu_src_p, 0,
236                         RK2928_CLKSEL_CON(0), 13, 2, MFLAGS, 8, 5, DFLAGS,
237                         RK2928_CLKGATE_CON(0), 1, GFLAGS),
238         GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_src", 0,
239                         RK2928_CLKGATE_CON(0), 3, GFLAGS),
240         COMPOSITE_NOMUX(HCLK_CPU, "hclk_cpu", "aclk_cpu_src", 0,
241                         RK2928_CLKSEL_CON(1), 8, 2, DFLAGS,
242                         RK2928_CLKGATE_CON(0), 4, GFLAGS),
243         COMPOSITE_NOMUX(PCLK_CPU, "pclk_cpu", "aclk_cpu_src", 0,
244                         RK2928_CLKSEL_CON(1), 12, 2, DFLAGS,
245                         RK2928_CLKGATE_CON(0), 5, GFLAGS),
246         COMPOSITE_NOMUX(SCLK_CRYPTO, "clk_crypto", "aclk_cpu_src", 0,
247                         RK2928_CLKSEL_CON(24), 0, 2, DFLAGS,
248                         RK2928_CLKGATE_CON(0), 12, GFLAGS),
249
250         /* PD_VIDEO */
251         COMPOSITE(ACLK_VEPU, "aclk_vepu", mux_pll_src_5plls_p, 0,
252                         RK2928_CLKSEL_CON(32), 5, 3, MFLAGS, 0, 5, DFLAGS,
253                         RK2928_CLKGATE_CON(3), 9, GFLAGS),
254         FACTOR(HCLK_VEPU, "hclk_vepu", "aclk_vepu", 0, 1, 4),
255
256         COMPOSITE(ACLK_VDPU, "aclk_vdpu", mux_pll_src_5plls_p, 0,
257                         RK2928_CLKSEL_CON(32), 13, 3, MFLAGS, 8, 5, DFLAGS,
258                         RK2928_CLKGATE_CON(3), 11, GFLAGS),
259         FACTOR_GATE(HCLK_VDPU, "hclk_vdpu", "aclk_vdpu", 0, 1, 4,
260                         RK2928_CLKGATE_CON(3), 12, GFLAGS),
261
262         COMPOSITE(SCLK_HEVC_CORE, "sclk_hevc_core", mux_pll_src_5plls_p, 0,
263                         RK2928_CLKSEL_CON(34), 13, 3, MFLAGS, 8, 5, DFLAGS,
264                         RK2928_CLKGATE_CON(3), 10, GFLAGS),
265
266         /* PD_VIO */
267         COMPOSITE(ACLK_VIO0, "aclk_vio0", mux_pll_src_5plls_p, 0,
268                         RK2928_CLKSEL_CON(31), 5, 3, MFLAGS, 0, 5, DFLAGS,
269                         RK2928_CLKGATE_CON(3), 0, GFLAGS),
270         COMPOSITE(ACLK_VIO1, "aclk_vio1", mux_pll_src_5plls_p, 0,
271                         RK2928_CLKSEL_CON(31), 13, 3, MFLAGS, 8, 5, DFLAGS,
272                         RK2928_CLKGATE_CON(1), 4, GFLAGS),
273         COMPOSITE(HCLK_VIO, "hclk_vio", mux_pll_src_4plls_p, 0,
274                         RK2928_CLKSEL_CON(30), 14, 2, MFLAGS, 8, 5, DFLAGS,
275                         RK2928_CLKGATE_CON(0), 11, GFLAGS),
276
277         /* PD_PERI */
278         GATE(0, "gpll_peri", "gpll", CLK_IGNORE_UNUSED,
279                         RK2928_CLKGATE_CON(2), 0, GFLAGS),
280         GATE(0, "cpll_peri", "cpll", CLK_IGNORE_UNUSED,
281                         RK2928_CLKGATE_CON(2), 0, GFLAGS),
282         GATE(0, "gpll_div2_peri", "gpll_div2", CLK_IGNORE_UNUSED,
283                         RK2928_CLKGATE_CON(2), 0, GFLAGS),
284         GATE(0, "gpll_div3_peri", "gpll_div3", CLK_IGNORE_UNUSED,
285                         RK2928_CLKGATE_CON(2), 0, GFLAGS),
286         COMPOSITE_NOGATE(0, "aclk_peri_src", mux_aclk_peri_src_p, 0,
287                         RK2928_CLKSEL_CON(10), 14, 2, MFLAGS, 0, 5, DFLAGS),
288         COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_src", 0,
289                         RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
290                         RK2928_CLKGATE_CON(2), 3, GFLAGS),
291         COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", 0,
292                         RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
293                         RK2928_CLKGATE_CON(2), 2, GFLAGS),
294         GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", 0,
295                         RK2928_CLKGATE_CON(2), 1, GFLAGS),
296
297         GATE(SCLK_TIMER0, "sclk_timer0", "xin24m", 0,
298                         RK2928_CLKGATE_CON(10), 3, GFLAGS),
299         GATE(SCLK_TIMER1, "sclk_timer1", "xin24m", 0,
300                         RK2928_CLKGATE_CON(10), 4, GFLAGS),
301         GATE(SCLK_TIMER2, "sclk_timer2", "xin24m", 0,
302                         RK2928_CLKGATE_CON(10), 5, GFLAGS),
303         GATE(SCLK_TIMER3, "sclk_timer3", "xin24m", 0,
304                         RK2928_CLKGATE_CON(10), 6, GFLAGS),
305         GATE(SCLK_TIMER4, "sclk_timer4", "xin24m", 0,
306                         RK2928_CLKGATE_CON(10), 7, GFLAGS),
307         GATE(SCLK_TIMER5, "sclk_timer5", "xin24m", 0,
308                         RK2928_CLKGATE_CON(10), 8, GFLAGS),
309
310         GATE(SCLK_PVTM_CORE, "clk_pvtm_core", "xin24m", 0,
311                         RK2928_CLKGATE_CON(10), 0, GFLAGS),
312         GATE(SCLK_PVTM_GPU, "clk_pvtm_gpu", "xin24m", 0,
313                         RK2928_CLKGATE_CON(10), 1, GFLAGS),
314         GATE(SCLK_PVTM_FUNC, "clk_pvtm_func", "xin24m", 0,
315                         RK2928_CLKGATE_CON(10), 2, GFLAGS),
316         GATE(SCLK_MIPI_24M, "clk_mipi_24m", "xin24m", CLK_IGNORE_UNUSED,
317                         RK2928_CLKGATE_CON(2), 15, GFLAGS),
318
319         COMPOSITE(SCLK_SDMMC, "sclk_sdmmc0", mux_mmc_src_p, 0,
320                         RK2928_CLKSEL_CON(11), 6, 2, MFLAGS, 0, 6, DFLAGS,
321                         RK2928_CLKGATE_CON(2), 11, GFLAGS),
322
323         COMPOSITE(SCLK_SDIO, "sclk_sdio", mux_mmc_src_p, 0,
324                         RK2928_CLKSEL_CON(12), 6, 2, MFLAGS, 0, 6, DFLAGS,
325                         RK2928_CLKGATE_CON(2), 13, GFLAGS),
326
327         COMPOSITE(SCLK_EMMC, "sclk_emmc", mux_mmc_src_p, 0,
328                         RK2928_CLKSEL_CON(12), 14, 2, MFLAGS, 8, 6, DFLAGS,
329                         RK2928_CLKGATE_CON(2), 14, GFLAGS),
330
331         DIV(SCLK_PVTM, "clk_pvtm", "clk_pvtm_func", 0,
332                         RK2928_CLKSEL_CON(2), 0, 7, DFLAGS),
333
334         /*
335          * Clock-Architecture Diagram 2
336          */
337         COMPOSITE(DCLK_VOP, "dclk_vop", mux_sclk_vop_src_p, 0,
338                         RK2928_CLKSEL_CON(27), 0, 2, MFLAGS, 8, 8, DFLAGS,
339                         RK2928_CLKGATE_CON(3), 1, GFLAGS),
340         COMPOSITE(SCLK_VOP, "sclk_vop", mux_sclk_vop_src_p, 0,
341                         RK2928_CLKSEL_CON(28), 0, 2, MFLAGS, 8, 8, DFLAGS,
342                         RK2928_CLKGATE_CON(3), 2, GFLAGS),
343         COMPOSITE(DCLK_EBC, "dclk_ebc", mux_pll_src_3plls_p, 0,
344                         RK2928_CLKSEL_CON(23), 0, 2, MFLAGS, 8, 8, DFLAGS,
345                         RK2928_CLKGATE_CON(3), 4, GFLAGS),
346
347         FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
348
349         COMPOSITE_NODIV(SCLK_CIF_SRC, "sclk_cif_src", mux_pll_src_4plls_p, 0,
350                         RK2928_CLKSEL_CON(29), 0, 2, MFLAGS,
351                         RK2928_CLKGATE_CON(3), 7, GFLAGS),
352         MUX(SCLK_CIF_OUT_SRC, "sclk_cif_out_src", mux_clk_cif_out_src_p, 0,
353                         RK2928_CLKSEL_CON(13), 14, 2, MFLAGS),
354         DIV(SCLK_CIF_OUT, "sclk_cif_out", "sclk_cif_out_src", 0,
355                         RK2928_CLKSEL_CON(29), 2, 5, DFLAGS),
356
357         COMPOSITE(0, "i2s0_src", mux_pll_src_3plls_p, 0,
358                         RK2928_CLKSEL_CON(9), 14, 2, MFLAGS, 0, 7, DFLAGS,
359                         RK2928_CLKGATE_CON(4), 4, GFLAGS),
360         COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_src", CLK_SET_RATE_PARENT,
361                         RK2928_CLKSEL_CON(8), 0,
362                         RK2928_CLKGATE_CON(4), 5, GFLAGS,
363                         &rk3128_i2s0_fracmux),
364         GATE(SCLK_I2S0, "sclk_i2s0", "i2s0_pre", CLK_SET_RATE_PARENT,
365                         RK2928_CLKGATE_CON(4), 6, GFLAGS),
366
367         COMPOSITE(0, "i2s1_src", mux_pll_src_3plls_p, 0,
368                         RK2928_CLKSEL_CON(3), 14, 2, MFLAGS, 0, 7, DFLAGS,
369                         RK2928_CLKGATE_CON(0), 9, GFLAGS),
370         COMPOSITE_FRACMUX(0, "i2s1_frac", "i2s1_src", CLK_SET_RATE_PARENT,
371                         RK2928_CLKSEL_CON(7), 0,
372                         RK2928_CLKGATE_CON(0), 10, GFLAGS,
373                         &rk3128_i2s1_fracmux),
374         GATE(SCLK_I2S1, "sclk_i2s1", "i2s1_pre", CLK_SET_RATE_PARENT,
375                         RK2928_CLKGATE_CON(0), 14, GFLAGS),
376         COMPOSITE_NODIV(SCLK_I2S_OUT, "i2s_out", mux_i2s_out_p, 0,
377                         RK2928_CLKSEL_CON(3), 12, 1, MFLAGS,
378                         RK2928_CLKGATE_CON(0), 13, GFLAGS),
379
380         COMPOSITE(0, "sclk_spdif_src", mux_pll_src_3plls_p, 0,
381                         RK2928_CLKSEL_CON(6), 14, 2, MFLAGS, 0, 7, DFLAGS,
382                         RK2928_CLKGATE_CON(2), 10, GFLAGS),
383         COMPOSITE_FRACMUX(0, "spdif_frac", "sclk_spdif_src", CLK_SET_RATE_PARENT,
384                         RK2928_CLKSEL_CON(20), 0,
385                         RK2928_CLKGATE_CON(2), 12, GFLAGS,
386                         &rk3128_spdif_fracmux),
387
388         GATE(0, "jtag", "ext_jtag", CLK_IGNORE_UNUSED,
389                         RK2928_CLKGATE_CON(1), 3, GFLAGS),
390
391         GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin12m", 0,
392                         RK2928_CLKGATE_CON(1), 5, GFLAGS),
393         GATE(SCLK_OTGPHY1, "sclk_otgphy1", "xin12m", 0,
394                         RK2928_CLKGATE_CON(1), 6, GFLAGS),
395
396         COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
397                         RK2928_CLKSEL_CON(24), 8, 8, DFLAGS,
398                         RK2928_CLKGATE_CON(2), 8, GFLAGS),
399
400         COMPOSITE(ACLK_GPU, "aclk_gpu", mux_pll_src_5plls_p, 0,
401                         RK2928_CLKSEL_CON(34), 5, 3, MFLAGS, 0, 5, DFLAGS,
402                         RK2928_CLKGATE_CON(3), 13, GFLAGS),
403
404         COMPOSITE(SCLK_SPI0, "sclk_spi0", mux_pll_src_3plls_p, 0,
405                         RK2928_CLKSEL_CON(25), 8, 2, MFLAGS, 0, 7, DFLAGS,
406                         RK2928_CLKGATE_CON(2), 9, GFLAGS),
407
408         /* PD_UART */
409         COMPOSITE(0, "uart0_src", mux_pll_src_4plls_p, 0,
410                         RK2928_CLKSEL_CON(13), 12, 2, MFLAGS, 0, 7, DFLAGS,
411                         RK2928_CLKGATE_CON(1), 8, GFLAGS),
412         MUX(0, "uart12_src", mux_pll_src_4plls_p, 0,
413                         RK2928_CLKSEL_CON(13), 14, 2, MFLAGS),
414         COMPOSITE_NOMUX(0, "uart1_src", "uart12_src", 0,
415                         RK2928_CLKSEL_CON(14), 0, 7, DFLAGS,
416                         RK2928_CLKGATE_CON(1), 10, GFLAGS),
417         COMPOSITE_NOMUX(0, "uart2_src", "uart12_src", 0,
418                         RK2928_CLKSEL_CON(15), 0, 7, DFLAGS,
419                         RK2928_CLKGATE_CON(1), 13, GFLAGS),
420         COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT,
421                         RK2928_CLKSEL_CON(17), 0,
422                         RK2928_CLKGATE_CON(1), 9, GFLAGS,
423                         &rk3128_uart0_fracmux),
424         COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT,
425                         RK2928_CLKSEL_CON(18), 0,
426                         RK2928_CLKGATE_CON(1), 11, GFLAGS,
427                         &rk3128_uart1_fracmux),
428         COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT,
429                         RK2928_CLKSEL_CON(19), 0,
430                         RK2928_CLKGATE_CON(1), 13, GFLAGS,
431                         &rk3128_uart2_fracmux),
432
433         COMPOSITE(SCLK_MAC_SRC, "sclk_gmac_src", mux_pll_src_3plls_p, 0,
434                         RK2928_CLKSEL_CON(5), 6, 2, MFLAGS, 0, 5, DFLAGS,
435                         RK2928_CLKGATE_CON(1), 7, GFLAGS),
436         MUX(SCLK_MAC, "sclk_gmac", mux_sclk_gmac_p, 0,
437                         RK2928_CLKSEL_CON(5), 15, 1, MFLAGS),
438         GATE(SCLK_MAC_REFOUT, "sclk_mac_refout", "sclk_gmac", 0,
439                         RK2928_CLKGATE_CON(2), 5, GFLAGS),
440         GATE(SCLK_MAC_REF, "sclk_mac_ref", "sclk_gmac", 0,
441                         RK2928_CLKGATE_CON(2), 4, GFLAGS),
442         GATE(SCLK_MAC_RX, "sclk_mac_rx", "sclk_gmac", 0,
443                         RK2928_CLKGATE_CON(2), 6, GFLAGS),
444         GATE(SCLK_MAC_TX, "sclk_mac_tx", "sclk_gmac", 0,
445                         RK2928_CLKGATE_CON(2), 7, GFLAGS),
446
447         COMPOSITE(SCLK_TSP, "sclk_tsp", mux_pll_src_3plls_p, 0,
448                         RK2928_CLKSEL_CON(4), 6, 2, MFLAGS, 0, 5, DFLAGS,
449                         RK2928_CLKGATE_CON(1), 14, GFLAGS),
450
451         COMPOSITE(SCLK_NANDC, "sclk_nandc", mux_pll_src_3plls_p, 0,
452                         RK2928_CLKSEL_CON(2), 14, 2, MFLAGS, 8, 5, DFLAGS,
453                         RK2928_CLKGATE_CON(10), 15, GFLAGS),
454
455         COMPOSITE_NOMUX(PCLK_PMU_PRE, "pclk_pmu_pre", "cpll", 0,
456                         RK2928_CLKSEL_CON(29), 8, 6, DFLAGS,
457                         RK2928_CLKGATE_CON(1), 0, GFLAGS),
458
459         /*
460          * Clock-Architecture Diagram 3
461          */
462
463         /* PD_VOP */
464         GATE(ACLK_LCDC0, "aclk_lcdc0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 0, GFLAGS),
465         GATE(ACLK_CIF, "aclk_cif", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 5, GFLAGS),
466         GATE(ACLK_RGA, "aclk_rga", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 11, GFLAGS),
467         GATE(0, "aclk_vio0_niu", "aclk_vio0", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(6), 13, GFLAGS),
468
469         GATE(ACLK_IEP, "aclk_iep", "aclk_vio1", 0, RK2928_CLKGATE_CON(9), 8, GFLAGS),
470         GATE(0, "aclk_vio1_niu", "aclk_vio1", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 10, GFLAGS),
471
472         GATE(HCLK_VIO_H2P, "hclk_vio_h2p", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS),
473         GATE(PCLK_MIPI, "pclk_mipi", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS),
474         GATE(HCLK_RGA, "hclk_rga", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS),
475         GATE(HCLK_LCDC0, "hclk_lcdc0", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 1, GFLAGS),
476         GATE(HCLK_IEP, "hclk_iep", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 7, GFLAGS),
477         GATE(0, "hclk_vio_niu", "hclk_vio", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(6), 12, GFLAGS),
478         GATE(HCLK_CIF, "hclk_cif", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 4, GFLAGS),
479         GATE(HCLK_EBC, "hclk_ebc", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 9, GFLAGS),
480
481         /* PD_PERI */
482         GATE(0, "aclk_peri_axi", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS),
483         GATE(ACLK_GMAC, "aclk_gmac", "aclk_peri", 0, RK2928_CLKGATE_CON(10), 10, GFLAGS),
484         GATE(ACLK_DMAC, "aclk_dmac", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS),
485         GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 15, GFLAGS),
486         GATE(0, "aclk_cpu_to_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS),
487
488         GATE(HCLK_I2S_8CH, "hclk_i2s_8ch", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
489         GATE(0, "hclk_peri_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS),
490         GATE(HCLK_I2S_2CH, "hclk_i2s_2ch", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),
491         GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 13, GFLAGS),
492         GATE(HCLK_HOST2, "hclk_host2", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS),
493         GATE(HCLK_OTG, "hclk_otg", "hclk_peri", 0, RK2928_CLKGATE_CON(3), 13, GFLAGS),
494         GATE(0, "hclk_peri_ahb", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 14, GFLAGS),
495         GATE(HCLK_SPDIF, "hclk_spdif", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 9, GFLAGS),
496         GATE(HCLK_TSP, "hclk_tsp", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 12, GFLAGS),
497         GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS),
498         GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS),
499         GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS),
500         GATE(0, "hclk_emmc_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 6, GFLAGS),
501         GATE(HCLK_NANDC, "hclk_nandc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS),
502         GATE(HCLK_USBHOST, "hclk_usbhost", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 14, GFLAGS),
503
504         GATE(PCLK_SIM_CARD, "pclk_sim_card", "pclk_peri", 0, RK2928_CLKGATE_CON(9), 12, GFLAGS),
505         GATE(PCLK_GMAC, "pclk_gmac", "pclk_peri", 0, RK2928_CLKGATE_CON(10), 11, GFLAGS),
506         GATE(0, "pclk_peri_axi", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS),
507         GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS),
508         GATE(PCLK_UART0, "pclk_uart0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
509         GATE(PCLK_UART1, "pclk_uart1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
510         GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS),
511         GATE(PCLK_PWM, "pclk_pwm", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS),
512         GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
513         GATE(PCLK_I2C0, "pclk_i2c0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS),
514         GATE(PCLK_I2C1, "pclk_i2c1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS),
515         GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS),
516         GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS),
517         GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS),
518         GATE(PCLK_EFUSE, "pclk_efuse", "pclk_peri", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS),
519         GATE(PCLK_TIMER, "pclk_timer", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(7), 7, GFLAGS),
520         GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS),
521         GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS),
522         GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS),
523         GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS),
524
525         /* PD_BUS */
526         GATE(0, "aclk_initmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS),
527         GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS),
528
529         GATE(0, "hclk_rom", "hclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 6, GFLAGS),
530         GATE(HCLK_CRYPTO, "hclk_crypto", "hclk_cpu", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
531
532         GATE(PCLK_ACODEC, "pclk_acodec", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 14, GFLAGS),
533         GATE(0, "pclk_ddrupctl", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 7, GFLAGS),
534         GATE(0, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS),
535         GATE(0, "pclk_mipiphy", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 0, GFLAGS),
536
537         GATE(0, "pclk_pmu", "pclk_pmu_pre", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS),
538         GATE(0, "pclk_pmu_niu", "pclk_pmu_pre", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 3, GFLAGS),
539
540         /* PD_MMC */
541         MMC(SCLK_SDMMC_DRV,    "sdmmc_drv",    "sclk_sdmmc", RK3228_SDMMC_CON0, 1),
542         MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3228_SDMMC_CON1, 0),
543
544         MMC(SCLK_SDIO_DRV,     "sdio_drv",     "sclk_sdio",  RK3228_SDIO_CON0,  1),
545         MMC(SCLK_SDIO_SAMPLE,  "sdio_sample",  "sclk_sdio",  RK3228_SDIO_CON1,  0),
546
547         MMC(SCLK_EMMC_DRV,     "emmc_drv",     "sclk_emmc",  RK3228_EMMC_CON0,  1),
548         MMC(SCLK_EMMC_SAMPLE,  "emmc_sample",  "sclk_emmc",  RK3228_EMMC_CON1,  0),
549 };
550
551 static struct rockchip_clk_branch rk3126_clk_branches[] __initdata = {
552         GATE(0, "pclk_stimer", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 15, GFLAGS),
553         GATE(0, "pclk_s_efuse", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 14, GFLAGS),
554         GATE(0, "pclk_sgrf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 8, GFLAGS),
555 };
556
557 static struct rockchip_clk_branch rk3128_clk_branches[] __initdata = {
558         COMPOSITE(SCLK_SFC, "sclk_sfc", mux_sclk_sfc_src_p, 0,
559                         RK2928_CLKSEL_CON(11), 14, 2, MFLAGS, 8, 5, DFLAGS,
560                         RK2928_CLKGATE_CON(3), 15, GFLAGS),
561
562         GATE(HCLK_GPS, "hclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
563         GATE(PCLK_HDMI, "pclk_hdmi", "pclk_cpu", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
564 };
565
566 static const char *const rk3128_critical_clocks[] __initconst = {
567         "aclk_cpu",
568         "hclk_cpu",
569         "pclk_cpu",
570         "aclk_peri",
571         "hclk_peri",
572         "pclk_peri",
573         "pclk_pmu",
574         "sclk_timer5",
575 };
576
577 static struct rockchip_clk_provider *__init rk3128_common_clk_init(struct device_node *np)
578 {
579         struct rockchip_clk_provider *ctx;
580         void __iomem *reg_base;
581
582         reg_base = of_iomap(np, 0);
583         if (!reg_base) {
584                 pr_err("%s: could not map cru region\n", __func__);
585                 return ERR_PTR(-ENOMEM);
586         }
587
588         ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
589         if (IS_ERR(ctx)) {
590                 pr_err("%s: rockchip clk init failed\n", __func__);
591                 iounmap(reg_base);
592                 return ERR_PTR(-ENOMEM);
593         }
594
595         rockchip_clk_register_plls(ctx, rk3128_pll_clks,
596                                    ARRAY_SIZE(rk3128_pll_clks),
597                                    RK3128_GRF_SOC_STATUS0);
598         rockchip_clk_register_branches(ctx, common_clk_branches,
599                                   ARRAY_SIZE(common_clk_branches));
600
601         rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
602                         mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
603                         &rk3128_cpuclk_data, rk3128_cpuclk_rates,
604                         ARRAY_SIZE(rk3128_cpuclk_rates));
605
606         rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
607                                   ROCKCHIP_SOFTRST_HIWORD_MASK);
608
609         rockchip_register_restart_notifier(ctx, RK2928_GLB_SRST_FST, NULL);
610
611         return ctx;
612 }
613
614 static void __init rk3126_clk_init(struct device_node *np)
615 {
616         struct rockchip_clk_provider *ctx;
617
618         ctx = rk3128_common_clk_init(np);
619         if (IS_ERR(ctx))
620                 return;
621
622         rockchip_clk_register_branches(ctx, rk3126_clk_branches,
623                                        ARRAY_SIZE(rk3126_clk_branches));
624         rockchip_clk_protect_critical(rk3128_critical_clocks,
625                                       ARRAY_SIZE(rk3128_critical_clocks));
626
627         rockchip_clk_of_add_provider(np, ctx);
628 }
629
630 CLK_OF_DECLARE(rk3126_cru, "rockchip,rk3126-cru", rk3126_clk_init);
631
632 static void __init rk3128_clk_init(struct device_node *np)
633 {
634         struct rockchip_clk_provider *ctx;
635
636         ctx = rk3128_common_clk_init(np);
637         if (IS_ERR(ctx))
638                 return;
639
640         rockchip_clk_register_branches(ctx, rk3128_clk_branches,
641                                        ARRAY_SIZE(rk3128_clk_branches));
642         rockchip_clk_protect_critical(rk3128_critical_clocks,
643                                       ARRAY_SIZE(rk3128_critical_clocks));
644
645         rockchip_clk_of_add_provider(np, ctx);
646 }
647
648 CLK_OF_DECLARE(rk3128_cru, "rockchip,rk3128-cru", rk3128_clk_init);