1 /*
2  * Copyright (c) 2014 MundoReader S.L.
3  * Author: Heiko Stuebner <heiko@sntech.de>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  */
15 
16 #include <linux/clk-provider.h>
17 #include <linux/of.h>
18 #include <linux/of_address.h>
19 #include <dt-bindings/clock/rk3188-cru-common.h>
20 #include "clk.h"
21 
22 #define RK3066_GRF_SOC_STATUS	0x15c
23 #define RK3188_GRF_SOC_STATUS	0xac
24 
25 enum rk3188_plls {
26 	apll, cpll, dpll, gpll,
27 };
28 
29 struct rockchip_pll_rate_table rk3188_pll_rates[] = {
30 	RK3066_PLL_RATE(2208000000, 1, 92, 1),
31 	RK3066_PLL_RATE(2184000000, 1, 91, 1),
32 	RK3066_PLL_RATE(2160000000, 1, 90, 1),
33 	RK3066_PLL_RATE(2136000000, 1, 89, 1),
34 	RK3066_PLL_RATE(2112000000, 1, 88, 1),
35 	RK3066_PLL_RATE(2088000000, 1, 87, 1),
36 	RK3066_PLL_RATE(2064000000, 1, 86, 1),
37 	RK3066_PLL_RATE(2040000000, 1, 85, 1),
38 	RK3066_PLL_RATE(2016000000, 1, 84, 1),
39 	RK3066_PLL_RATE(1992000000, 1, 83, 1),
40 	RK3066_PLL_RATE(1968000000, 1, 82, 1),
41 	RK3066_PLL_RATE(1944000000, 1, 81, 1),
42 	RK3066_PLL_RATE(1920000000, 1, 80, 1),
43 	RK3066_PLL_RATE(1896000000, 1, 79, 1),
44 	RK3066_PLL_RATE(1872000000, 1, 78, 1),
45 	RK3066_PLL_RATE(1848000000, 1, 77, 1),
46 	RK3066_PLL_RATE(1824000000, 1, 76, 1),
47 	RK3066_PLL_RATE(1800000000, 1, 75, 1),
48 	RK3066_PLL_RATE(1776000000, 1, 74, 1),
49 	RK3066_PLL_RATE(1752000000, 1, 73, 1),
50 	RK3066_PLL_RATE(1728000000, 1, 72, 1),
51 	RK3066_PLL_RATE(1704000000, 1, 71, 1),
52 	RK3066_PLL_RATE(1680000000, 1, 70, 1),
53 	RK3066_PLL_RATE(1656000000, 1, 69, 1),
54 	RK3066_PLL_RATE(1632000000, 1, 68, 1),
55 	RK3066_PLL_RATE(1608000000, 1, 67, 1),
56 	RK3066_PLL_RATE(1560000000, 1, 65, 1),
57 	RK3066_PLL_RATE(1512000000, 1, 63, 1),
58 	RK3066_PLL_RATE(1488000000, 1, 62, 1),
59 	RK3066_PLL_RATE(1464000000, 1, 61, 1),
60 	RK3066_PLL_RATE(1440000000, 1, 60, 1),
61 	RK3066_PLL_RATE(1416000000, 1, 59, 1),
62 	RK3066_PLL_RATE(1392000000, 1, 58, 1),
63 	RK3066_PLL_RATE(1368000000, 1, 57, 1),
64 	RK3066_PLL_RATE(1344000000, 1, 56, 1),
65 	RK3066_PLL_RATE(1320000000, 1, 55, 1),
66 	RK3066_PLL_RATE(1296000000, 1, 54, 1),
67 	RK3066_PLL_RATE(1272000000, 1, 53, 1),
68 	RK3066_PLL_RATE(1248000000, 1, 52, 1),
69 	RK3066_PLL_RATE(1224000000, 1, 51, 1),
70 	RK3066_PLL_RATE(1200000000, 1, 50, 1),
71 	RK3066_PLL_RATE(1188000000, 2, 99, 1),
72 	RK3066_PLL_RATE(1176000000, 1, 49, 1),
73 	RK3066_PLL_RATE(1128000000, 1, 47, 1),
74 	RK3066_PLL_RATE(1104000000, 1, 46, 1),
75 	RK3066_PLL_RATE(1008000000, 1, 84, 2),
76 	RK3066_PLL_RATE( 912000000, 1, 76, 2),
77 	RK3066_PLL_RATE( 891000000, 8, 594, 2),
78 	RK3066_PLL_RATE( 888000000, 1, 74, 2),
79 	RK3066_PLL_RATE( 816000000, 1, 68, 2),
80 	RK3066_PLL_RATE( 798000000, 2, 133, 2),
81 	RK3066_PLL_RATE( 792000000, 1, 66, 2),
82 	RK3066_PLL_RATE( 768000000, 1, 64, 2),
83 	RK3066_PLL_RATE( 742500000, 8, 495, 2),
84 	RK3066_PLL_RATE( 696000000, 1, 58, 2),
85 	RK3066_PLL_RATE( 600000000, 1, 50, 2),
86 	RK3066_PLL_RATE( 594000000, 2, 198, 4),
87 	RK3066_PLL_RATE( 552000000, 1, 46, 2),
88 	RK3066_PLL_RATE( 504000000, 1, 84, 4),
89 	RK3066_PLL_RATE( 456000000, 1, 76, 4),
90 	RK3066_PLL_RATE( 408000000, 1, 68, 4),
91 	RK3066_PLL_RATE( 384000000, 2, 128, 4),
92 	RK3066_PLL_RATE( 360000000, 1, 60, 4),
93 	RK3066_PLL_RATE( 312000000, 1, 52, 4),
94 	RK3066_PLL_RATE( 300000000, 1, 50, 4),
95 	RK3066_PLL_RATE( 297000000, 2, 198, 8),
96 	RK3066_PLL_RATE( 252000000, 1, 84, 8),
97 	RK3066_PLL_RATE( 216000000, 1, 72, 8),
98 	RK3066_PLL_RATE( 148500000, 2, 99, 8),
99 	RK3066_PLL_RATE( 126000000, 1, 84, 16),
100 	RK3066_PLL_RATE(  48000000, 1, 64, 32),
101 	{ /* sentinel */ },
102 };
103 
104 #define RK3066_DIV_CORE_PERIPH_MASK	0x3
105 #define RK3066_DIV_CORE_PERIPH_SHIFT	6
106 #define RK3066_DIV_ACLK_CORE_MASK	0x7
107 #define RK3066_DIV_ACLK_CORE_SHIFT	0
108 #define RK3066_DIV_ACLK_HCLK_MASK	0x3
109 #define RK3066_DIV_ACLK_HCLK_SHIFT	8
110 #define RK3066_DIV_ACLK_PCLK_MASK	0x3
111 #define RK3066_DIV_ACLK_PCLK_SHIFT	12
112 #define RK3066_DIV_AHB2APB_MASK		0x3
113 #define RK3066_DIV_AHB2APB_SHIFT	14
114 
115 #define RK3066_CLKSEL0(_core_peri)					\
116 	{								\
117 		.reg = RK2928_CLKSEL_CON(0),				\
118 		.val = HIWORD_UPDATE(_core_peri, RK3066_DIV_CORE_PERIPH_MASK, \
119 				RK3066_DIV_CORE_PERIPH_SHIFT)		\
120 	}
121 #define RK3066_CLKSEL1(_aclk_core, _aclk_hclk, _aclk_pclk, _ahb2apb)	\
122 	{								\
123 		.reg = RK2928_CLKSEL_CON(1),				\
124 		.val = HIWORD_UPDATE(_aclk_core, RK3066_DIV_ACLK_CORE_MASK, \
125 				RK3066_DIV_ACLK_CORE_SHIFT) |		\
126 		       HIWORD_UPDATE(_aclk_hclk, RK3066_DIV_ACLK_HCLK_MASK, \
127 				RK3066_DIV_ACLK_HCLK_SHIFT) |		\
128 		       HIWORD_UPDATE(_aclk_pclk, RK3066_DIV_ACLK_PCLK_MASK, \
129 				RK3066_DIV_ACLK_PCLK_SHIFT) |		\
130 		       HIWORD_UPDATE(_ahb2apb, RK3066_DIV_AHB2APB_MASK,	\
131 				RK3066_DIV_AHB2APB_SHIFT),		\
132 	}
133 
134 #define RK3066_CPUCLK_RATE(_prate, _core_peri, _acore, _ahclk, _apclk, _h2p) \
135 	{								\
136 		.prate = _prate,					\
137 		.divs = {						\
138 			RK3066_CLKSEL0(_core_peri),			\
139 			RK3066_CLKSEL1(_acore, _ahclk, _apclk, _h2p),	\
140 		},							\
141 	}
142 
143 static struct rockchip_cpuclk_rate_table rk3066_cpuclk_rates[] __initdata = {
144 	RK3066_CPUCLK_RATE(1416000000, 2, 3, 1, 2, 1),
145 	RK3066_CPUCLK_RATE(1200000000, 2, 3, 1, 2, 1),
146 	RK3066_CPUCLK_RATE(1008000000, 2, 2, 1, 2, 1),
147 	RK3066_CPUCLK_RATE( 816000000, 2, 2, 1, 2, 1),
148 	RK3066_CPUCLK_RATE( 600000000, 1, 2, 1, 2, 1),
149 	RK3066_CPUCLK_RATE( 504000000, 1, 1, 1, 2, 1),
150 	RK3066_CPUCLK_RATE( 312000000, 0, 1, 1, 1, 0),
151 };
152 
153 static const struct rockchip_cpuclk_reg_data rk3066_cpuclk_data = {
154 	.core_reg = RK2928_CLKSEL_CON(0),
155 	.div_core_shift = 0,
156 	.div_core_mask = 0x1f,
157 	.mux_core_shift = 8,
158 };
159 
160 #define RK3188_DIV_ACLK_CORE_MASK	0x7
161 #define RK3188_DIV_ACLK_CORE_SHIFT	3
162 
163 #define RK3188_CLKSEL1(_aclk_core)		\
164 	{					\
165 		.reg = RK2928_CLKSEL_CON(1),	\
166 		.val = HIWORD_UPDATE(_aclk_core, RK3188_DIV_ACLK_CORE_MASK,\
167 				 RK3188_DIV_ACLK_CORE_SHIFT) \
168 	}
169 #define RK3188_CPUCLK_RATE(_prate, _core_peri, _aclk_core)	\
170 	{							\
171 		.prate = _prate,				\
172 		.divs = {					\
173 			RK3066_CLKSEL0(_core_peri),		\
174 			RK3188_CLKSEL1(_aclk_core),		\
175 		},						\
176 	}
177 
178 static struct rockchip_cpuclk_rate_table rk3188_cpuclk_rates[] __initdata = {
179 	RK3188_CPUCLK_RATE(1608000000, 2, 3),
180 	RK3188_CPUCLK_RATE(1416000000, 2, 3),
181 	RK3188_CPUCLK_RATE(1200000000, 2, 3),
182 	RK3188_CPUCLK_RATE(1008000000, 2, 3),
183 	RK3188_CPUCLK_RATE( 816000000, 2, 3),
184 	RK3188_CPUCLK_RATE( 600000000, 1, 3),
185 	RK3188_CPUCLK_RATE( 504000000, 1, 3),
186 	RK3188_CPUCLK_RATE( 312000000, 0, 1),
187 };
188 
189 static const struct rockchip_cpuclk_reg_data rk3188_cpuclk_data = {
190 	.core_reg = RK2928_CLKSEL_CON(0),
191 	.div_core_shift = 9,
192 	.div_core_mask = 0x1f,
193 	.mux_core_shift = 8,
194 };
195 
196 PNAME(mux_pll_p)		= { "xin24m", "xin32k" };
197 PNAME(mux_armclk_p)		= { "apll", "gpll_armclk" };
198 PNAME(mux_ddrphy_p)		= { "dpll", "gpll_ddr" };
199 PNAME(mux_pll_src_gpll_cpll_p)	= { "gpll", "cpll" };
200 PNAME(mux_pll_src_cpll_gpll_p)	= { "cpll", "gpll" };
201 PNAME(mux_aclk_cpu_p)		= { "apll", "gpll" };
202 PNAME(mux_sclk_cif0_p)		= { "cif0_pre", "xin24m" };
203 PNAME(mux_sclk_i2s0_p)		= { "i2s0_pre", "i2s0_frac", "xin12m" };
204 PNAME(mux_sclk_spdif_p)		= { "spdif_src", "spdif_frac", "xin12m" };
205 PNAME(mux_sclk_uart0_p)		= { "uart0_pre", "uart0_frac", "xin24m" };
206 PNAME(mux_sclk_uart1_p)		= { "uart1_pre", "uart1_frac", "xin24m" };
207 PNAME(mux_sclk_uart2_p)		= { "uart2_pre", "uart2_frac", "xin24m" };
208 PNAME(mux_sclk_uart3_p)		= { "uart3_pre", "uart3_frac", "xin24m" };
209 PNAME(mux_sclk_hsadc_p)		= { "hsadc_src", "hsadc_frac", "ext_hsadc" };
210 PNAME(mux_mac_p)		= { "gpll", "dpll" };
211 PNAME(mux_sclk_macref_p)	= { "mac_src", "ext_rmii" };
212 
213 static struct rockchip_pll_clock rk3188_pll_clks[] __initdata = {
214 	[apll] = PLL(pll_rk3066, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
215 		     RK2928_MODE_CON, 0, 6, rk3188_pll_rates),
216 	[dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
217 		     RK2928_MODE_CON, 4, 5, NULL),
218 	[cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
219 		     RK2928_MODE_CON, 8, 7, rk3188_pll_rates),
220 	[gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
221 		     RK2928_MODE_CON, 12, 8, rk3188_pll_rates),
222 };
223 
224 #define MFLAGS CLK_MUX_HIWORD_MASK
225 #define DFLAGS CLK_DIVIDER_HIWORD_MASK
226 #define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE)
227 
228 /* 2 ^ (val + 1) */
229 static struct clk_div_table div_core_peri_t[] = {
230 	{ .val = 0, .div = 2 },
231 	{ .val = 1, .div = 4 },
232 	{ .val = 2, .div = 8 },
233 	{ .val = 3, .div = 16 },
234 	{ /* sentinel */ },
235 };
236 
237 static struct rockchip_clk_branch common_clk_branches[] __initdata = {
238 	/*
239 	 * Clock-Architecture Diagram 2
240 	 */
241 
242 	GATE(0, "gpll_armclk", "gpll", 0, RK2928_CLKGATE_CON(0), 1, GFLAGS),
243 
244 	/* these two are set by the cpuclk and should not be changed */
245 	COMPOSITE_NOMUX_DIVTBL(CORE_PERI, "core_peri", "armclk", 0,
246 			RK2928_CLKSEL_CON(0), 6, 2, DFLAGS | CLK_DIVIDER_READ_ONLY,
247 			div_core_peri_t, RK2928_CLKGATE_CON(0), 0, GFLAGS),
248 
249 	COMPOSITE(0, "aclk_vepu", mux_pll_src_cpll_gpll_p, 0,
250 			RK2928_CLKSEL_CON(32), 7, 1, MFLAGS, 0, 5, DFLAGS,
251 			RK2928_CLKGATE_CON(3), 9, GFLAGS),
252 	GATE(0, "hclk_vepu", "aclk_vepu", 0,
253 			RK2928_CLKGATE_CON(3), 10, GFLAGS),
254 	COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_p, 0,
255 			RK2928_CLKSEL_CON(32), 15, 1, MFLAGS, 8, 5, DFLAGS,
256 			RK2928_CLKGATE_CON(3), 11, GFLAGS),
257 	GATE(0, "hclk_vdpu", "aclk_vdpu", 0,
258 			RK2928_CLKGATE_CON(3), 12, GFLAGS),
259 
260 	GATE(0, "gpll_ddr", "gpll", 0,
261 			RK2928_CLKGATE_CON(1), 7, GFLAGS),
262 	COMPOSITE(0, "ddrphy", mux_ddrphy_p, 0,
263 			RK2928_CLKSEL_CON(26), 8, 1, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
264 			RK2928_CLKGATE_CON(0), 2, GFLAGS),
265 
266 	GATE(0, "aclk_cpu", "aclk_cpu_pre", 0,
267 			RK2928_CLKGATE_CON(0), 3, GFLAGS),
268 
269 	GATE(0, "atclk_cpu", "pclk_cpu_pre", 0,
270 			RK2928_CLKGATE_CON(0), 6, GFLAGS),
271 	GATE(0, "pclk_cpu", "pclk_cpu_pre", 0,
272 			RK2928_CLKGATE_CON(0), 5, GFLAGS),
273 	GATE(0, "hclk_cpu", "hclk_cpu_pre", 0,
274 			RK2928_CLKGATE_CON(0), 4, GFLAGS),
275 
276 	COMPOSITE(0, "aclk_lcdc0_pre", mux_pll_src_cpll_gpll_p, 0,
277 			RK2928_CLKSEL_CON(31), 7, 1, MFLAGS, 0, 5, DFLAGS,
278 			RK2928_CLKGATE_CON(3), 0, GFLAGS),
279 	COMPOSITE(0, "aclk_lcdc1_pre", mux_pll_src_cpll_gpll_p, 0,
280 			RK2928_CLKSEL_CON(31), 15, 1, MFLAGS, 8, 5, DFLAGS,
281 			RK2928_CLKGATE_CON(1), 4, GFLAGS),
282 
283 	GATE(0, "aclk_peri", "aclk_peri_pre", 0,
284 			RK2928_CLKGATE_CON(2), 1, GFLAGS),
285 	COMPOSITE_NOMUX(0, "hclk_peri", "aclk_peri_pre", 0,
286 			RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
287 			RK2928_CLKGATE_CON(2), 2, GFLAGS),
288 	COMPOSITE_NOMUX(0, "pclk_peri", "aclk_peri_pre", 0,
289 			RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
290 			RK2928_CLKGATE_CON(2), 3, GFLAGS),
291 
292 	MUX(0, "cif_src", mux_pll_src_cpll_gpll_p, 0,
293 			RK2928_CLKSEL_CON(29), 0, 1, MFLAGS),
294 	COMPOSITE_NOMUX(0, "cif0_pre", "cif_src", 0,
295 			RK2928_CLKSEL_CON(29), 1, 5, DFLAGS,
296 			RK2928_CLKGATE_CON(3), 7, GFLAGS),
297 	MUX(SCLK_CIF0, "sclk_cif0", mux_sclk_cif0_p, 0,
298 			RK2928_CLKSEL_CON(29), 7, 1, MFLAGS),
299 
300 	GATE(0, "pclkin_cif0", "ext_cif0", 0,
301 			RK2928_CLKGATE_CON(3), 3, GFLAGS),
302 
303 	/*
304 	 * the 480m are generated inside the usb block from these clocks,
305 	 * but they are also a source for the hsicphy clock.
306 	 */
307 	GATE(SCLK_OTGPHY0, "sclk_otgphy0", "usb480m", 0,
308 			RK2928_CLKGATE_CON(1), 5, GFLAGS),
309 	GATE(SCLK_OTGPHY1, "sclk_otgphy1", "usb480m", 0,
310 			RK2928_CLKGATE_CON(1), 6, GFLAGS),
311 
312 	COMPOSITE(0, "mac_src", mux_mac_p, 0,
313 			RK2928_CLKSEL_CON(21), 0, 1, MFLAGS, 8, 5, DFLAGS,
314 			RK2928_CLKGATE_CON(2), 5, GFLAGS),
315 	MUX(SCLK_MAC, "sclk_macref", mux_sclk_macref_p, CLK_SET_RATE_PARENT,
316 			RK2928_CLKSEL_CON(21), 4, 1, MFLAGS),
317 	GATE(0, "sclk_mac_lbtest", "sclk_macref",
318 			RK2928_CLKGATE_CON(2), 12, 0, GFLAGS),
319 
320 	COMPOSITE(0, "hsadc_src", mux_pll_src_gpll_cpll_p, 0,
321 			RK2928_CLKSEL_CON(22), 0, 1, MFLAGS, 8, 8, DFLAGS,
322 			RK2928_CLKGATE_CON(2), 6, GFLAGS),
323 	COMPOSITE_FRAC(0, "hsadc_frac", "hsadc_src",
324 			RK2928_CLKSEL_CON(23), 0,
325 			RK2928_CLKGATE_CON(2), 7, 0, GFLAGS),
326 	MUX(SCLK_HSADC, "sclk_hsadc", mux_sclk_hsadc_p, 0,
327 			RK2928_CLKSEL_CON(22), 4, 2, MFLAGS),
328 
329 	COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
330 			RK2928_CLKSEL_CON(24), 8, 8, DFLAGS,
331 			RK2928_CLKGATE_CON(2), 8, GFLAGS),
332 
333 	/*
334 	 * Clock-Architecture Diagram 4
335 	 */
336 
337 	GATE(SCLK_SMC, "sclk_smc", "hclk_peri",
338 			RK2928_CLKGATE_CON(2), 4, 0, GFLAGS),
339 
340 	COMPOSITE_NOMUX(SCLK_SPI0, "sclk_spi0", "pclk_peri", 0,
341 			RK2928_CLKSEL_CON(25), 0, 7, DFLAGS,
342 			RK2928_CLKGATE_CON(2), 9, GFLAGS),
343 	COMPOSITE_NOMUX(SCLK_SPI1, "sclk_spi1", "pclk_peri", 0,
344 			RK2928_CLKSEL_CON(25), 8, 7, DFLAGS,
345 			RK2928_CLKGATE_CON(2), 10, GFLAGS),
346 
347 	COMPOSITE_NOMUX(SCLK_SDMMC, "sclk_sdmmc", "hclk_peri", 0,
348 			RK2928_CLKSEL_CON(11), 0, 6, DFLAGS,
349 			RK2928_CLKGATE_CON(2), 11, GFLAGS),
350 	COMPOSITE_NOMUX(SCLK_SDIO, "sclk_sdio", "hclk_peri", 0,
351 			RK2928_CLKSEL_CON(12), 0, 6, DFLAGS,
352 			RK2928_CLKGATE_CON(2), 13, GFLAGS),
353 	COMPOSITE_NOMUX(SCLK_EMMC, "sclk_emmc", "hclk_peri", 0,
354 			RK2928_CLKSEL_CON(12), 8, 6, DFLAGS,
355 			RK2928_CLKGATE_CON(2), 14, GFLAGS),
356 
357 	MUX(0, "uart_src", mux_pll_src_gpll_cpll_p, 0,
358 			RK2928_CLKSEL_CON(12), 15, 1, MFLAGS),
359 	COMPOSITE_NOMUX(0, "uart0_pre", "uart_src", 0,
360 			RK2928_CLKSEL_CON(13), 0, 7, DFLAGS,
361 			RK2928_CLKGATE_CON(1), 8, GFLAGS),
362 	COMPOSITE_FRAC(0, "uart0_frac", "uart0_pre", 0,
363 			RK2928_CLKSEL_CON(17), 0,
364 			RK2928_CLKGATE_CON(1), 9, GFLAGS),
365 	MUX(SCLK_UART0, "sclk_uart0", mux_sclk_uart0_p, 0,
366 			RK2928_CLKSEL_CON(13), 8, 2, MFLAGS),
367 	COMPOSITE_NOMUX(0, "uart1_pre", "uart_src", 0,
368 			RK2928_CLKSEL_CON(14), 0, 7, DFLAGS,
369 			RK2928_CLKGATE_CON(1), 10, GFLAGS),
370 	COMPOSITE_FRAC(0, "uart1_frac", "uart1_pre", 0,
371 			RK2928_CLKSEL_CON(18), 0,
372 			RK2928_CLKGATE_CON(1), 11, GFLAGS),
373 	MUX(SCLK_UART1, "sclk_uart1", mux_sclk_uart1_p, 0,
374 			RK2928_CLKSEL_CON(14), 8, 2, MFLAGS),
375 	COMPOSITE_NOMUX(0, "uart2_pre", "uart_src", 0,
376 			RK2928_CLKSEL_CON(15), 0, 7, DFLAGS,
377 			RK2928_CLKGATE_CON(1), 12, GFLAGS),
378 	COMPOSITE_FRAC(0, "uart2_frac", "uart2_pre", 0,
379 			RK2928_CLKSEL_CON(19), 0,
380 			RK2928_CLKGATE_CON(1), 13, GFLAGS),
381 	MUX(SCLK_UART2, "sclk_uart2", mux_sclk_uart2_p, 0,
382 			RK2928_CLKSEL_CON(15), 8, 2, MFLAGS),
383 	COMPOSITE_NOMUX(0, "uart3_pre", "uart_src", 0,
384 			RK2928_CLKSEL_CON(16), 0, 7, DFLAGS,
385 			RK2928_CLKGATE_CON(1), 14, GFLAGS),
386 	COMPOSITE_FRAC(0, "uart3_frac", "uart3_pre", 0,
387 			RK2928_CLKSEL_CON(20), 0,
388 			RK2928_CLKGATE_CON(1), 15, GFLAGS),
389 	MUX(SCLK_UART3, "sclk_uart3", mux_sclk_uart3_p, 0,
390 			RK2928_CLKSEL_CON(16), 8, 2, MFLAGS),
391 
392 	GATE(SCLK_JTAG, "jtag", "ext_jtag", 0, RK2928_CLKGATE_CON(1), 3, GFLAGS),
393 
394 	GATE(SCLK_TIMER0, "timer0", "xin24m", 0, RK2928_CLKGATE_CON(1), 0, GFLAGS),
395 	GATE(SCLK_TIMER1, "timer1", "xin24m", 0, RK2928_CLKGATE_CON(1), 1, GFLAGS),
396 
397 	/* clk_core_pre gates */
398 	GATE(0, "core_dbg", "armclk", 0, RK2928_CLKGATE_CON(9), 0, GFLAGS),
399 
400 	/* aclk_cpu gates */
401 	GATE(ACLK_DMA1, "aclk_dma1", "aclk_cpu", 0, RK2928_CLKGATE_CON(5), 0, GFLAGS),
402 	GATE(0, "aclk_intmem", "aclk_cpu", 0, RK2928_CLKGATE_CON(4), 12, GFLAGS),
403 	GATE(0, "aclk_strc_sys", "aclk_cpu", 0, RK2928_CLKGATE_CON(4), 10, GFLAGS),
404 
405 	/* hclk_cpu gates */
406 	GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", 0, RK2928_CLKGATE_CON(5), 6, GFLAGS),
407 	GATE(HCLK_I2S0, "hclk_i2s0", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),
408 	GATE(HCLK_SPDIF, "hclk_spdif", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 1, GFLAGS),
409 	GATE(0, "hclk_cpubus", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 8, GFLAGS),
410 	/* hclk_ahb2apb is part of a clk branch */
411 	GATE(0, "hclk_vio_bus", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 12, GFLAGS),
412 	GATE(HCLK_LCDC0, "hclk_lcdc0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 1, GFLAGS),
413 	GATE(HCLK_LCDC1, "hclk_lcdc1", "aclk_cpu", 0, RK2928_CLKGATE_CON(6), 2, GFLAGS),
414 	GATE(HCLK_CIF0, "hclk_cif0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 4, GFLAGS),
415 	GATE(HCLK_IPP, "hclk_ipp", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 9, GFLAGS),
416 	GATE(HCLK_RGA, "hclk_rga", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS),
417 
418 	/* hclk_peri gates */
419 	GATE(0, "hclk_peri_axi_matrix", "hclk_peri", 0, RK2928_CLKGATE_CON(4), 0, GFLAGS),
420 	GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", 0, RK2928_CLKGATE_CON(4), 6, GFLAGS),
421 	GATE(0, "hclk_emem_peri", "hclk_peri", 0, RK2928_CLKGATE_CON(4), 7, GFLAGS),
422 	GATE(HCLK_EMAC, "hclk_emac", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS),
423 	GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS),
424 	GATE(0, "hclk_usb_peri", "hclk_peri", 0, RK2928_CLKGATE_CON(4), 5, GFLAGS),
425 	GATE(HCLK_OTG0, "hclk_usbotg0", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 13, GFLAGS),
426 	GATE(HCLK_HSADC, "hclk_hsadc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 5, GFLAGS),
427 	GATE(HCLK_PIDF, "hclk_pidfilter", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 6, GFLAGS),
428 	GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS),
429 	GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS),
430 	GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 12, GFLAGS),
431 
432 	/* aclk_lcdc0_pre gates */
433 	GATE(0, "aclk_vio0", "aclk_lcdc0_pre", 0, RK2928_CLKGATE_CON(6), 13, GFLAGS),
434 	GATE(ACLK_LCDC0, "aclk_lcdc0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 0, GFLAGS),
435 	GATE(ACLK_CIF0, "aclk_cif0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 5, GFLAGS),
436 	GATE(ACLK_IPP, "aclk_ipp", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 8, GFLAGS),
437 
438 	/* aclk_lcdc1_pre gates */
439 	GATE(0, "aclk_vio1", "aclk_lcdc1_pre", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS),
440 	GATE(ACLK_LCDC1, "aclk_lcdc1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 3, GFLAGS),
441 	GATE(ACLK_RGA, "aclk_rga", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 11, GFLAGS),
442 
443 	/* atclk_cpu gates */
444 	GATE(0, "atclk", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 3, GFLAGS),
445 	GATE(0, "trace", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS),
446 
447 	/* pclk_cpu gates */
448 	GATE(PCLK_PWM01, "pclk_pwm01", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS),
449 	GATE(PCLK_TIMER0, "pclk_timer0", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 7, GFLAGS),
450 	GATE(PCLK_I2C0, "pclk_i2c0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS),
451 	GATE(PCLK_I2C1, "pclk_i2c1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS),
452 	GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS),
453 	GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS),
454 	GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS),
455 	GATE(PCLK_EFUSE, "pclk_efuse", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS),
456 	GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 3, GFLAGS),
457 	GATE(0, "pclk_ddrupctl", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 7, GFLAGS),
458 	GATE(0, "pclk_ddrpubl", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS),
459 	GATE(0, "pclk_dbg", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 1, GFLAGS),
460 	GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 4, GFLAGS),
461 	GATE(PCLK_PMU, "pclk_pmu", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 5, GFLAGS),
462 
463 	/* aclk_peri */
464 	GATE(ACLK_DMA2, "aclk_dma2", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS),
465 	GATE(ACLK_SMC, "aclk_smc", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 8, GFLAGS),
466 	GATE(0, "aclk_peri_niu", "aclk_peri", 0, RK2928_CLKGATE_CON(4), 4, GFLAGS),
467 	GATE(0, "aclk_cpu_peri", "aclk_peri", 0, RK2928_CLKGATE_CON(4), 2, GFLAGS),
468 	GATE(0, "aclk_peri_axi_matrix", "aclk_peri", 0, RK2928_CLKGATE_CON(4), 3, GFLAGS),
469 
470 	/* pclk_peri gates */
471 	GATE(0, "pclk_peri_axi_matrix", "pclk_peri", 0, RK2928_CLKGATE_CON(4), 1, GFLAGS),
472 	GATE(PCLK_PWM23, "pclk_pwm23", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 11, GFLAGS),
473 	GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
474 	GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS),
475 	GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 13, GFLAGS),
476 	GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS),
477 	GATE(PCLK_UART3, "pclk_uart3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 3, GFLAGS),
478 	GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS),
479 	GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS),
480 	GATE(PCLK_I2C4, "pclk_i2c4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 8, GFLAGS),
481 	GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS),
482 	GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS),
483 };
484 
485 PNAME(mux_rk3066_lcdc0_p)	= { "dclk_lcdc0_src", "xin27m" };
486 PNAME(mux_rk3066_lcdc1_p)	= { "dclk_lcdc1_src", "xin27m" };
487 PNAME(mux_sclk_cif1_p)		= { "cif1_pre", "xin24m" };
488 PNAME(mux_sclk_i2s1_p)		= { "i2s1_pre", "i2s1_frac", "xin12m" };
489 PNAME(mux_sclk_i2s2_p)		= { "i2s2_pre", "i2s2_frac", "xin12m" };
490 
491 static struct clk_div_table div_aclk_cpu_t[] = {
492 	{ .val = 0, .div = 1 },
493 	{ .val = 1, .div = 2 },
494 	{ .val = 2, .div = 3 },
495 	{ .val = 3, .div = 4 },
496 	{ .val = 4, .div = 8 },
497 	{ /* sentinel */ },
498 };
499 
500 static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = {
501 	DIVTBL(0, "aclk_cpu_pre", "armclk", 0,
502 			RK2928_CLKSEL_CON(1), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, div_aclk_cpu_t),
503 	DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
504 			RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
505 							    | CLK_DIVIDER_READ_ONLY),
506 	DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
507 			RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
508 							   | CLK_DIVIDER_READ_ONLY),
509 	COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
510 			RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
511 							    | CLK_DIVIDER_READ_ONLY,
512 			RK2928_CLKGATE_CON(4), 9, GFLAGS),
513 
514 	GATE(CORE_L2C, "core_l2c", "aclk_cpu", 0,
515 			RK2928_CLKGATE_CON(9), 4, GFLAGS),
516 
517 	COMPOSITE(0, "aclk_peri_pre", mux_pll_src_gpll_cpll_p, 0,
518 			RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
519 			RK2928_CLKGATE_CON(2), 0, GFLAGS),
520 
521 	COMPOSITE(0, "dclk_lcdc0_src", mux_pll_src_cpll_gpll_p, 0,
522 			RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
523 			RK2928_CLKGATE_CON(3), 1, GFLAGS),
524 	MUX(DCLK_LCDC0, "dclk_lcdc0", mux_rk3066_lcdc0_p, 0,
525 			RK2928_CLKSEL_CON(27), 4, 1, MFLAGS),
526 	COMPOSITE(0, "dclk_lcdc1_src", mux_pll_src_cpll_gpll_p, 0,
527 			RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
528 			RK2928_CLKGATE_CON(3), 2, GFLAGS),
529 	MUX(DCLK_LCDC1, "dclk_lcdc1", mux_rk3066_lcdc1_p, 0,
530 			RK2928_CLKSEL_CON(28), 4, 1, MFLAGS),
531 
532 	COMPOSITE_NOMUX(0, "cif1_pre", "cif_src", 0,
533 			RK2928_CLKSEL_CON(29), 8, 5, DFLAGS,
534 			RK2928_CLKGATE_CON(3), 8, GFLAGS),
535 	MUX(SCLK_CIF1, "sclk_cif1", mux_sclk_cif1_p, 0,
536 			RK2928_CLKSEL_CON(29), 15, 1, MFLAGS),
537 
538 	GATE(0, "pclkin_cif1", "ext_cif1", 0,
539 			RK2928_CLKGATE_CON(3), 4, GFLAGS),
540 
541 	COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
542 			RK2928_CLKSEL_CON(33), 8, 1, MFLAGS, 0, 5, DFLAGS,
543 			RK2928_CLKGATE_CON(3), 13, GFLAGS),
544 	GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
545 			RK2928_CLKGATE_CON(5), 15, GFLAGS),
546 
547 	GATE(SCLK_TIMER2, "timer2", "xin24m", 0,
548 			RK2928_CLKGATE_CON(3), 2, GFLAGS),
549 
550 	COMPOSITE_NOMUX(0, "sclk_tsadc", "xin24m", 0,
551 			RK2928_CLKSEL_CON(34), 0, 16, DFLAGS,
552 			RK2928_CLKGATE_CON(2), 15, GFLAGS),
553 
554 	MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
555 			RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
556 	COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
557 			RK2928_CLKSEL_CON(2), 0, 7, DFLAGS,
558 			RK2928_CLKGATE_CON(0), 7, GFLAGS),
559 	COMPOSITE_FRAC(0, "i2s0_frac", "i2s0_pre", 0,
560 			RK2928_CLKSEL_CON(6), 0,
561 			RK2928_CLKGATE_CON(0), 8, GFLAGS),
562 	MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0,
563 			RK2928_CLKSEL_CON(2), 8, 2, MFLAGS),
564 	COMPOSITE_NOMUX(0, "i2s1_pre", "i2s_src", 0,
565 			RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
566 			RK2928_CLKGATE_CON(0), 9, GFLAGS),
567 	COMPOSITE_FRAC(0, "i2s1_frac", "i2s1_pre", 0,
568 			RK2928_CLKSEL_CON(7), 0,
569 			RK2928_CLKGATE_CON(0), 10, GFLAGS),
570 	MUX(SCLK_I2S1, "sclk_i2s1", mux_sclk_i2s1_p, 0,
571 			RK2928_CLKSEL_CON(3), 8, 2, MFLAGS),
572 	COMPOSITE_NOMUX(0, "i2s2_pre", "i2s_src", 0,
573 			RK2928_CLKSEL_CON(4), 0, 7, DFLAGS,
574 			RK2928_CLKGATE_CON(0), 11, GFLAGS),
575 	COMPOSITE_FRAC(0, "i2s2_frac", "i2s2_pre", 0,
576 			RK2928_CLKSEL_CON(8), 0,
577 			RK2928_CLKGATE_CON(0), 12, GFLAGS),
578 	MUX(SCLK_I2S2, "sclk_i2s2", mux_sclk_i2s2_p, 0,
579 			RK2928_CLKSEL_CON(4), 8, 2, MFLAGS),
580 	COMPOSITE_NOMUX(0, "spdif_pre", "i2s_src", 0,
581 			RK2928_CLKSEL_CON(5), 0, 7, DFLAGS,
582 			RK2928_CLKGATE_CON(0), 13, GFLAGS),
583 	COMPOSITE_FRAC(0, "spdif_frac", "spdif_pll", 0,
584 			RK2928_CLKSEL_CON(9), 0,
585 			RK2928_CLKGATE_CON(0), 14, GFLAGS),
586 	MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, 0,
587 			RK2928_CLKSEL_CON(5), 8, 2, MFLAGS),
588 
589 	GATE(HCLK_I2S1, "hclk_i2s1", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS),
590 	GATE(HCLK_I2S2, "hclk_i2s2", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
591 	GATE(0, "hclk_cif1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 6, GFLAGS),
592 	GATE(0, "hclk_hdmi", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
593 
594 	GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 14, GFLAGS),
595 
596 	GATE(0, "aclk_cif1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 7, GFLAGS),
597 
598 	GATE(PCLK_TIMER1, "pclk_timer1", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 8, GFLAGS),
599 	GATE(PCLK_TIMER2, "pclk_timer2", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
600 	GATE(PCLK_GPIO6, "pclk_gpio6", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 15, GFLAGS),
601 	GATE(PCLK_UART0, "pclk_uart0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
602 	GATE(PCLK_UART1, "pclk_uart1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
603 
604 	GATE(PCLK_GPIO4, "pclk_gpio4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
605 	GATE(PCLK_TSADC, "pclk_tsadc", "pclk_peri", 0, RK2928_CLKGATE_CON(4), 13, GFLAGS),
606 };
607 
608 static struct clk_div_table div_rk3188_aclk_core_t[] = {
609 	{ .val = 0, .div = 1 },
610 	{ .val = 1, .div = 2 },
611 	{ .val = 2, .div = 3 },
612 	{ .val = 3, .div = 4 },
613 	{ .val = 4, .div = 8 },
614 	{ /* sentinel */ },
615 };
616 
617 PNAME(mux_hsicphy_p)		= { "sclk_otgphy0", "sclk_otgphy1",
618 				    "gpll", "cpll" };
619 
620 static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
621 	COMPOSITE_NOMUX_DIVTBL(0, "aclk_core", "armclk", 0,
622 			RK2928_CLKSEL_CON(1), 3, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
623 			div_rk3188_aclk_core_t, RK2928_CLKGATE_CON(0), 7, GFLAGS),
624 
625 	/* do not source aclk_cpu_pre from the apll, to keep complexity down */
626 	COMPOSITE_NOGATE(0, "aclk_cpu_pre", mux_aclk_cpu_p, CLK_SET_RATE_NO_REPARENT,
627 			RK2928_CLKSEL_CON(0), 5, 1, MFLAGS, 0, 5, DFLAGS),
628 	DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
629 			RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
630 	DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
631 			RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
632 	COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
633 			RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
634 			RK2928_CLKGATE_CON(4), 9, GFLAGS),
635 
636 	GATE(CORE_L2C, "core_l2c", "armclk", 0,
637 			RK2928_CLKGATE_CON(9), 4, GFLAGS),
638 
639 	COMPOSITE(0, "aclk_peri_pre", mux_pll_src_cpll_gpll_p, 0,
640 			RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
641 			RK2928_CLKGATE_CON(2), 0, GFLAGS),
642 
643 	COMPOSITE(DCLK_LCDC0, "dclk_lcdc0", mux_pll_src_cpll_gpll_p, 0,
644 			RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
645 			RK2928_CLKGATE_CON(3), 1, GFLAGS),
646 	COMPOSITE(DCLK_LCDC1, "dclk_lcdc1", mux_pll_src_cpll_gpll_p, 0,
647 			RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
648 			RK2928_CLKGATE_CON(3), 2, GFLAGS),
649 
650 	COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
651 			RK2928_CLKSEL_CON(34), 7, 1, MFLAGS, 0, 5, DFLAGS,
652 			RK2928_CLKGATE_CON(3), 15, GFLAGS),
653 	GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
654 			RK2928_CLKGATE_CON(9), 7, GFLAGS),
655 
656 	GATE(SCLK_TIMER2, "timer2", "xin24m", 0, RK2928_CLKGATE_CON(3), 4, GFLAGS),
657 	GATE(SCLK_TIMER3, "timer3", "xin24m", 0, RK2928_CLKGATE_CON(1), 2, GFLAGS),
658 	GATE(SCLK_TIMER4, "timer4", "xin24m", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
659 	GATE(SCLK_TIMER5, "timer5", "xin24m", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
660 	GATE(SCLK_TIMER6, "timer6", "xin24m", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
661 
662 	COMPOSITE_NODIV(0, "sclk_hsicphy_480m", mux_hsicphy_p, 0,
663 			RK2928_CLKSEL_CON(30), 0, 2, DFLAGS,
664 			RK2928_CLKGATE_CON(3), 6, GFLAGS),
665 	DIV(0, "sclk_hsicphy_12m", "sclk_hsicphy_480m", 0,
666 			RK2928_CLKGATE_CON(11), 8, 6, DFLAGS),
667 
668 	MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
669 			RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
670 	COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
671 			RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
672 			RK2928_CLKGATE_CON(0), 9, GFLAGS),
673 	COMPOSITE_FRAC(0, "i2s0_frac", "i2s0_pre", 0,
674 			RK2928_CLKSEL_CON(7), 0,
675 			RK2928_CLKGATE_CON(0), 10, GFLAGS),
676 	MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0,
677 			RK2928_CLKSEL_CON(3), 8, 2, MFLAGS),
678 	COMPOSITE_NOMUX(0, "spdif_pre", "i2s_src", 0,
679 			RK2928_CLKSEL_CON(5), 0, 7, DFLAGS,
680 			RK2928_CLKGATE_CON(13), 13, GFLAGS),
681 	COMPOSITE_FRAC(0, "spdif_frac", "spdif_pll", 0,
682 			RK2928_CLKSEL_CON(9), 0,
683 			RK2928_CLKGATE_CON(0), 14, GFLAGS),
684 	MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, 0,
685 			RK2928_CLKSEL_CON(5), 8, 2, MFLAGS),
686 
687 	GATE(0, "hclk_imem0", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
688 	GATE(0, "hclk_imem1", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 15, GFLAGS),
689 
690 	GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS),
691 	GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
692 
693 	GATE(PCLK_TIMER3, "pclk_timer3", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
694 
695 	GATE(PCLK_UART0, "pclk_uart0", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
696 	GATE(PCLK_UART1, "pclk_uart1", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
697 
698 	GATE(ACLK_GPS, "aclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
699 };
700 
701 static const char *rk3188_critical_clocks[] __initconst = {
702 	"aclk_cpu",
703 	"aclk_peri",
704 	"hclk_peri",
705 };
706 
707 static void __init rk3188_common_clk_init(struct device_node *np)
708 {
709 	void __iomem *reg_base;
710 	struct clk *clk;
711 
712 	reg_base = of_iomap(np, 0);
713 	if (!reg_base) {
714 		pr_err("%s: could not map cru region\n", __func__);
715 		return;
716 	}
717 
718 	rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
719 
720 	/* xin12m is created by an cru-internal divider */
721 	clk = clk_register_fixed_factor(NULL, "xin12m", "xin24m", 0, 1, 2);
722 	if (IS_ERR(clk))
723 		pr_warn("%s: could not register clock xin12m: %ld\n",
724 			__func__, PTR_ERR(clk));
725 
726 	clk = clk_register_fixed_factor(NULL, "usb480m", "xin24m", 0, 20, 1);
727 	if (IS_ERR(clk))
728 		pr_warn("%s: could not register clock usb480m: %ld\n",
729 			__func__, PTR_ERR(clk));
730 
731 	rockchip_clk_register_branches(common_clk_branches,
732 				  ARRAY_SIZE(common_clk_branches));
733 	rockchip_clk_protect_critical(rk3188_critical_clocks,
734 				      ARRAY_SIZE(rk3188_critical_clocks));
735 
736 	rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
737 				  ROCKCHIP_SOFTRST_HIWORD_MASK);
738 
739 	rockchip_register_restart_notifier(RK2928_GLB_SRST_FST);
740 }
741 
742 static void __init rk3066a_clk_init(struct device_node *np)
743 {
744 	rk3188_common_clk_init(np);
745 	rockchip_clk_register_plls(rk3188_pll_clks,
746 				   ARRAY_SIZE(rk3188_pll_clks),
747 				   RK3066_GRF_SOC_STATUS);
748 	rockchip_clk_register_branches(rk3066a_clk_branches,
749 				  ARRAY_SIZE(rk3066a_clk_branches));
750 	rockchip_clk_register_armclk(ARMCLK, "armclk",
751 			mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
752 			&rk3066_cpuclk_data, rk3066_cpuclk_rates,
753 			ARRAY_SIZE(rk3066_cpuclk_rates));
754 }
755 CLK_OF_DECLARE(rk3066a_cru, "rockchip,rk3066a-cru", rk3066a_clk_init);
756 
757 static void __init rk3188a_clk_init(struct device_node *np)
758 {
759 	struct clk *clk1, *clk2;
760 	unsigned long rate;
761 	int ret;
762 
763 	rk3188_common_clk_init(np);
764 	rockchip_clk_register_plls(rk3188_pll_clks,
765 				   ARRAY_SIZE(rk3188_pll_clks),
766 				   RK3188_GRF_SOC_STATUS);
767 	rockchip_clk_register_branches(rk3188_clk_branches,
768 				  ARRAY_SIZE(rk3188_clk_branches));
769 	rockchip_clk_register_armclk(ARMCLK, "armclk",
770 				  mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
771 				  &rk3188_cpuclk_data, rk3188_cpuclk_rates,
772 				  ARRAY_SIZE(rk3188_cpuclk_rates));
773 
774 	/* reparent aclk_cpu_pre from apll */
775 	clk1 = __clk_lookup("aclk_cpu_pre");
776 	clk2 = __clk_lookup("gpll");
777 	if (clk1 && clk2) {
778 		rate = clk_get_rate(clk1);
779 
780 		ret = clk_set_parent(clk1, clk2);
781 		if (ret < 0)
782 			pr_warn("%s: could not reparent aclk_cpu_pre to gpll\n",
783 				__func__);
784 
785 		clk_set_rate(clk1, rate);
786 	} else {
787 		pr_warn("%s: missing clocks to reparent aclk_cpu_pre to gpll\n",
788 			__func__);
789 	}
790 }
791 CLK_OF_DECLARE(rk3188a_cru, "rockchip,rk3188a-cru", rk3188a_clk_init);
792 
793 static void __init rk3188_clk_init(struct device_node *np)
794 {
795 	int i;
796 
797 	for (i = 0; i < ARRAY_SIZE(rk3188_pll_clks); i++) {
798 		struct rockchip_pll_clock *pll = &rk3188_pll_clks[i];
799 		struct rockchip_pll_rate_table *rate;
800 
801 		if (!pll->rate_table)
802 			continue;
803 
804 		rate = pll->rate_table;
805 		while (rate->rate > 0) {
806 			rate->bwadj = 0;
807 			rate++;
808 		}
809 	}
810 
811 	rk3188a_clk_init(np);
812 }
813 CLK_OF_DECLARE(rk3188_cru, "rockchip,rk3188-cru", rk3188_clk_init);
814