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 <linux/syscore_ops.h>
20 #include <dt-bindings/clock/rk3288-cru.h>
21 #include "clk.h"
22 
23 #define RK3288_GRF_SOC_CON(x)	(0x244 + x * 4)
24 #define RK3288_GRF_SOC_STATUS1	0x284
25 
26 enum rk3288_plls {
27 	apll, dpll, cpll, gpll, npll,
28 };
29 
30 static struct rockchip_pll_rate_table rk3288_pll_rates[] = {
31 	RK3066_PLL_RATE(2208000000, 1, 92, 1),
32 	RK3066_PLL_RATE(2184000000, 1, 91, 1),
33 	RK3066_PLL_RATE(2160000000, 1, 90, 1),
34 	RK3066_PLL_RATE(2136000000, 1, 89, 1),
35 	RK3066_PLL_RATE(2112000000, 1, 88, 1),
36 	RK3066_PLL_RATE(2088000000, 1, 87, 1),
37 	RK3066_PLL_RATE(2064000000, 1, 86, 1),
38 	RK3066_PLL_RATE(2040000000, 1, 85, 1),
39 	RK3066_PLL_RATE(2016000000, 1, 84, 1),
40 	RK3066_PLL_RATE(1992000000, 1, 83, 1),
41 	RK3066_PLL_RATE(1968000000, 1, 82, 1),
42 	RK3066_PLL_RATE(1944000000, 1, 81, 1),
43 	RK3066_PLL_RATE(1920000000, 1, 80, 1),
44 	RK3066_PLL_RATE(1896000000, 1, 79, 1),
45 	RK3066_PLL_RATE(1872000000, 1, 78, 1),
46 	RK3066_PLL_RATE(1848000000, 1, 77, 1),
47 	RK3066_PLL_RATE(1824000000, 1, 76, 1),
48 	RK3066_PLL_RATE(1800000000, 1, 75, 1),
49 	RK3066_PLL_RATE(1776000000, 1, 74, 1),
50 	RK3066_PLL_RATE(1752000000, 1, 73, 1),
51 	RK3066_PLL_RATE(1728000000, 1, 72, 1),
52 	RK3066_PLL_RATE(1704000000, 1, 71, 1),
53 	RK3066_PLL_RATE(1680000000, 1, 70, 1),
54 	RK3066_PLL_RATE(1656000000, 1, 69, 1),
55 	RK3066_PLL_RATE(1632000000, 1, 68, 1),
56 	RK3066_PLL_RATE(1608000000, 1, 67, 1),
57 	RK3066_PLL_RATE(1560000000, 1, 65, 1),
58 	RK3066_PLL_RATE(1512000000, 1, 63, 1),
59 	RK3066_PLL_RATE(1488000000, 1, 62, 1),
60 	RK3066_PLL_RATE(1464000000, 1, 61, 1),
61 	RK3066_PLL_RATE(1440000000, 1, 60, 1),
62 	RK3066_PLL_RATE(1416000000, 1, 59, 1),
63 	RK3066_PLL_RATE(1392000000, 1, 58, 1),
64 	RK3066_PLL_RATE(1368000000, 1, 57, 1),
65 	RK3066_PLL_RATE(1344000000, 1, 56, 1),
66 	RK3066_PLL_RATE(1320000000, 1, 55, 1),
67 	RK3066_PLL_RATE(1296000000, 1, 54, 1),
68 	RK3066_PLL_RATE(1272000000, 1, 53, 1),
69 	RK3066_PLL_RATE(1248000000, 1, 52, 1),
70 	RK3066_PLL_RATE(1224000000, 1, 51, 1),
71 	RK3066_PLL_RATE(1200000000, 1, 50, 1),
72 	RK3066_PLL_RATE(1188000000, 2, 99, 1),
73 	RK3066_PLL_RATE(1176000000, 1, 49, 1),
74 	RK3066_PLL_RATE(1128000000, 1, 47, 1),
75 	RK3066_PLL_RATE(1104000000, 1, 46, 1),
76 	RK3066_PLL_RATE(1008000000, 1, 84, 2),
77 	RK3066_PLL_RATE( 912000000, 1, 76, 2),
78 	RK3066_PLL_RATE( 891000000, 8, 594, 2),
79 	RK3066_PLL_RATE( 888000000, 1, 74, 2),
80 	RK3066_PLL_RATE( 816000000, 1, 68, 2),
81 	RK3066_PLL_RATE( 798000000, 2, 133, 2),
82 	RK3066_PLL_RATE( 792000000, 1, 66, 2),
83 	RK3066_PLL_RATE( 768000000, 1, 64, 2),
84 	RK3066_PLL_RATE( 742500000, 8, 495, 2),
85 	RK3066_PLL_RATE( 696000000, 1, 58, 2),
86 	RK3066_PLL_RATE( 600000000, 1, 50, 2),
87 	RK3066_PLL_RATE_NB(594000000, 1, 198, 8, 1),
88 	RK3066_PLL_RATE( 552000000, 1, 46, 2),
89 	RK3066_PLL_RATE( 504000000, 1, 84, 4),
90 	RK3066_PLL_RATE( 500000000, 3, 125, 2),
91 	RK3066_PLL_RATE( 456000000, 1, 76, 4),
92 	RK3066_PLL_RATE( 408000000, 1, 68, 4),
93 	RK3066_PLL_RATE( 400000000, 3, 100, 2),
94 	RK3066_PLL_RATE( 384000000, 2, 128, 4),
95 	RK3066_PLL_RATE( 360000000, 1, 60, 4),
96 	RK3066_PLL_RATE( 312000000, 1, 52, 4),
97 	RK3066_PLL_RATE( 300000000, 1, 50, 4),
98 	RK3066_PLL_RATE( 297000000, 2, 198, 8),
99 	RK3066_PLL_RATE( 252000000, 1, 84, 8),
100 	RK3066_PLL_RATE( 216000000, 1, 72, 8),
101 	RK3066_PLL_RATE( 148500000, 2, 99, 8),
102 	RK3066_PLL_RATE( 126000000, 1, 84, 16),
103 	RK3066_PLL_RATE(  48000000, 1, 64, 32),
104 	{ /* sentinel */ },
105 };
106 
107 #define RK3288_DIV_ACLK_CORE_M0_MASK	0xf
108 #define RK3288_DIV_ACLK_CORE_M0_SHIFT	0
109 #define RK3288_DIV_ACLK_CORE_MP_MASK	0xf
110 #define RK3288_DIV_ACLK_CORE_MP_SHIFT	4
111 #define RK3288_DIV_L2RAM_MASK		0x7
112 #define RK3288_DIV_L2RAM_SHIFT		0
113 #define RK3288_DIV_ATCLK_MASK		0x1f
114 #define RK3288_DIV_ATCLK_SHIFT		4
115 #define RK3288_DIV_PCLK_DBGPRE_MASK	0x1f
116 #define RK3288_DIV_PCLK_DBGPRE_SHIFT	9
117 
118 #define RK3288_CLKSEL0(_core_m0, _core_mp)				\
119 	{								\
120 		.reg = RK3288_CLKSEL_CON(0),				\
121 		.val = HIWORD_UPDATE(_core_m0, RK3288_DIV_ACLK_CORE_M0_MASK, \
122 				RK3288_DIV_ACLK_CORE_M0_SHIFT) |	\
123 		       HIWORD_UPDATE(_core_mp, RK3288_DIV_ACLK_CORE_MP_MASK, \
124 				RK3288_DIV_ACLK_CORE_MP_SHIFT),		\
125 	}
126 #define RK3288_CLKSEL37(_l2ram, _atclk, _pclk_dbg_pre)			\
127 	{								\
128 		.reg = RK3288_CLKSEL_CON(37),				\
129 		.val = HIWORD_UPDATE(_l2ram, RK3288_DIV_L2RAM_MASK,	\
130 				RK3288_DIV_L2RAM_SHIFT) |		\
131 		       HIWORD_UPDATE(_atclk, RK3288_DIV_ATCLK_MASK,	\
132 				RK3288_DIV_ATCLK_SHIFT) |		\
133 		       HIWORD_UPDATE(_pclk_dbg_pre,			\
134 				RK3288_DIV_PCLK_DBGPRE_MASK,		\
135 				RK3288_DIV_PCLK_DBGPRE_SHIFT),		\
136 	}
137 
138 #define RK3288_CPUCLK_RATE(_prate, _core_m0, _core_mp, _l2ram, _atclk, _pdbg) \
139 	{								\
140 		.prate = _prate,					\
141 		.divs = {						\
142 			RK3288_CLKSEL0(_core_m0, _core_mp),		\
143 			RK3288_CLKSEL37(_l2ram, _atclk, _pdbg),		\
144 		},							\
145 	}
146 
147 static struct rockchip_cpuclk_rate_table rk3288_cpuclk_rates[] __initdata = {
148 	RK3288_CPUCLK_RATE(1800000000, 1, 3, 1, 3, 3),
149 	RK3288_CPUCLK_RATE(1704000000, 1, 3, 1, 3, 3),
150 	RK3288_CPUCLK_RATE(1608000000, 1, 3, 1, 3, 3),
151 	RK3288_CPUCLK_RATE(1512000000, 1, 3, 1, 3, 3),
152 	RK3288_CPUCLK_RATE(1416000000, 1, 3, 1, 3, 3),
153 	RK3288_CPUCLK_RATE(1200000000, 1, 3, 1, 3, 3),
154 	RK3288_CPUCLK_RATE(1008000000, 1, 3, 1, 3, 3),
155 	RK3288_CPUCLK_RATE( 816000000, 1, 3, 1, 3, 3),
156 	RK3288_CPUCLK_RATE( 696000000, 1, 3, 1, 3, 3),
157 	RK3288_CPUCLK_RATE( 600000000, 1, 3, 1, 3, 3),
158 	RK3288_CPUCLK_RATE( 408000000, 1, 3, 1, 3, 3),
159 	RK3288_CPUCLK_RATE( 312000000, 1, 3, 1, 3, 3),
160 	RK3288_CPUCLK_RATE( 216000000, 1, 3, 1, 3, 3),
161 	RK3288_CPUCLK_RATE( 126000000, 1, 3, 1, 3, 3),
162 };
163 
164 static const struct rockchip_cpuclk_reg_data rk3288_cpuclk_data = {
165 	.core_reg = RK3288_CLKSEL_CON(0),
166 	.div_core_shift = 8,
167 	.div_core_mask = 0x1f,
168 	.mux_core_alt = 1,
169 	.mux_core_main = 0,
170 	.mux_core_shift = 15,
171 	.mux_core_mask = 0x1,
172 };
173 
174 PNAME(mux_pll_p)		= { "xin24m", "xin32k" };
175 PNAME(mux_armclk_p)		= { "apll_core", "gpll_core" };
176 PNAME(mux_ddrphy_p)		= { "dpll_ddr", "gpll_ddr" };
177 PNAME(mux_aclk_cpu_src_p)	= { "cpll_aclk_cpu", "gpll_aclk_cpu" };
178 
179 PNAME(mux_pll_src_cpll_gpll_p)		= { "cpll", "gpll" };
180 PNAME(mux_pll_src_npll_cpll_gpll_p)	= { "npll", "cpll", "gpll" };
181 PNAME(mux_pll_src_cpll_gpll_npll_p)	= { "cpll", "gpll", "npll" };
182 PNAME(mux_pll_src_cpll_gpll_usb480m_p)	= { "cpll", "gpll", "usbphy480m_src" };
183 PNAME(mux_pll_src_cpll_gll_usb_npll_p)	= { "cpll", "gpll", "usbphy480m_src", "npll" };
184 
185 PNAME(mux_mmc_src_p)	= { "cpll", "gpll", "xin24m", "xin24m" };
186 PNAME(mux_i2s_pre_p)	= { "i2s_src", "i2s_frac", "ext_i2s", "xin12m" };
187 PNAME(mux_i2s_clkout_p)	= { "i2s_pre", "xin12m" };
188 PNAME(mux_spdif_p)	= { "spdif_pre", "spdif_frac", "xin12m" };
189 PNAME(mux_spdif_8ch_p)	= { "spdif_8ch_pre", "spdif_8ch_frac", "xin12m" };
190 PNAME(mux_uart0_p)	= { "uart0_src", "uart0_frac", "xin24m" };
191 PNAME(mux_uart1_p)	= { "uart1_src", "uart1_frac", "xin24m" };
192 PNAME(mux_uart2_p)	= { "uart2_src", "uart2_frac", "xin24m" };
193 PNAME(mux_uart3_p)	= { "uart3_src", "uart3_frac", "xin24m" };
194 PNAME(mux_uart4_p)	= { "uart4_src", "uart4_frac", "xin24m" };
195 PNAME(mux_vip_out_p)	= { "vip_src", "xin24m" };
196 PNAME(mux_mac_p)	= { "mac_pll_src", "ext_gmac" };
197 PNAME(mux_hsadcout_p)	= { "hsadc_src", "ext_hsadc" };
198 PNAME(mux_edp_24m_p)	= { "ext_edp_24m", "xin24m" };
199 PNAME(mux_tspout_p)	= { "cpll", "gpll", "npll", "xin27m" };
200 
201 PNAME(mux_usbphy480m_p)		= { "sclk_otgphy1_480m", "sclk_otgphy2_480m",
202 				    "sclk_otgphy0_480m" };
203 PNAME(mux_hsicphy480m_p)	= { "cpll", "gpll", "usbphy480m_src" };
204 PNAME(mux_hsicphy12m_p)		= { "hsicphy12m_xin12m", "hsicphy12m_usbphy" };
205 
206 static struct rockchip_pll_clock rk3288_pll_clks[] __initdata = {
207 	[apll] = PLL(pll_rk3066, PLL_APLL, "apll", mux_pll_p, 0, RK3288_PLL_CON(0),
208 		     RK3288_MODE_CON, 0, 6, 0, rk3288_pll_rates),
209 	[dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK3288_PLL_CON(4),
210 		     RK3288_MODE_CON, 4, 5, 0, NULL),
211 	[cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK3288_PLL_CON(8),
212 		     RK3288_MODE_CON, 8, 7, ROCKCHIP_PLL_SYNC_RATE, rk3288_pll_rates),
213 	[gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK3288_PLL_CON(12),
214 		     RK3288_MODE_CON, 12, 8, ROCKCHIP_PLL_SYNC_RATE, rk3288_pll_rates),
215 	[npll] = PLL(pll_rk3066, PLL_NPLL, "npll",  mux_pll_p, 0, RK3288_PLL_CON(16),
216 		     RK3288_MODE_CON, 14, 9, ROCKCHIP_PLL_SYNC_RATE, rk3288_pll_rates),
217 };
218 
219 static struct clk_div_table div_hclk_cpu_t[] = {
220 	{ .val = 0, .div = 1 },
221 	{ .val = 1, .div = 2 },
222 	{ .val = 3, .div = 4 },
223 	{ /* sentinel */},
224 };
225 
226 #define MFLAGS CLK_MUX_HIWORD_MASK
227 #define DFLAGS CLK_DIVIDER_HIWORD_MASK
228 #define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE)
229 #define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK
230 
231 static struct rockchip_clk_branch rk3288_i2s_fracmux __initdata =
232 	MUX(0, "i2s_pre", mux_i2s_pre_p, CLK_SET_RATE_PARENT,
233 			RK3288_CLKSEL_CON(4), 8, 2, MFLAGS);
234 
235 static struct rockchip_clk_branch rk3288_spdif_fracmux __initdata =
236 	MUX(0, "spdif_mux", mux_spdif_p, CLK_SET_RATE_PARENT,
237 			RK3288_CLKSEL_CON(5), 8, 2, MFLAGS);
238 
239 static struct rockchip_clk_branch rk3288_spdif_8ch_fracmux __initdata =
240 	MUX(0, "spdif_8ch_mux", mux_spdif_8ch_p, CLK_SET_RATE_PARENT,
241 			RK3288_CLKSEL_CON(40), 8, 2, MFLAGS);
242 
243 static struct rockchip_clk_branch rk3288_uart0_fracmux __initdata =
244 	MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT,
245 			RK3288_CLKSEL_CON(13), 8, 2, MFLAGS);
246 
247 static struct rockchip_clk_branch rk3288_uart1_fracmux __initdata =
248 	MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT,
249 			RK3288_CLKSEL_CON(14), 8, 2, MFLAGS);
250 
251 static struct rockchip_clk_branch rk3288_uart2_fracmux __initdata =
252 	MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT,
253 			RK3288_CLKSEL_CON(15), 8, 2, MFLAGS);
254 
255 static struct rockchip_clk_branch rk3288_uart3_fracmux __initdata =
256 	MUX(SCLK_UART3, "sclk_uart3", mux_uart3_p, CLK_SET_RATE_PARENT,
257 			RK3288_CLKSEL_CON(16), 8, 2, MFLAGS);
258 
259 static struct rockchip_clk_branch rk3288_uart4_fracmux __initdata =
260 	MUX(SCLK_UART4, "sclk_uart4", mux_uart4_p, CLK_SET_RATE_PARENT,
261 			RK3288_CLKSEL_CON(3), 8, 2, MFLAGS);
262 
263 static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
264 	/*
265 	 * Clock-Architecture Diagram 1
266 	 */
267 
268 	GATE(0, "apll_core", "apll", CLK_IGNORE_UNUSED,
269 			RK3288_CLKGATE_CON(0), 1, GFLAGS),
270 	GATE(0, "gpll_core", "gpll", CLK_IGNORE_UNUSED,
271 			RK3288_CLKGATE_CON(0), 2, GFLAGS),
272 
273 	COMPOSITE_NOMUX(0, "armcore0", "armclk", CLK_IGNORE_UNUSED,
274 			RK3288_CLKSEL_CON(36), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
275 			RK3288_CLKGATE_CON(12), 0, GFLAGS),
276 	COMPOSITE_NOMUX(0, "armcore1", "armclk", CLK_IGNORE_UNUSED,
277 			RK3288_CLKSEL_CON(36), 4, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
278 			RK3288_CLKGATE_CON(12), 1, GFLAGS),
279 	COMPOSITE_NOMUX(0, "armcore2", "armclk", CLK_IGNORE_UNUSED,
280 			RK3288_CLKSEL_CON(36), 8, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
281 			RK3288_CLKGATE_CON(12), 2, GFLAGS),
282 	COMPOSITE_NOMUX(0, "armcore3", "armclk", CLK_IGNORE_UNUSED,
283 			RK3288_CLKSEL_CON(36), 12, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
284 			RK3288_CLKGATE_CON(12), 3, GFLAGS),
285 	COMPOSITE_NOMUX(0, "l2ram", "armclk", CLK_IGNORE_UNUSED,
286 			RK3288_CLKSEL_CON(37), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
287 			RK3288_CLKGATE_CON(12), 4, GFLAGS),
288 	COMPOSITE_NOMUX(0, "aclk_core_m0", "armclk", CLK_IGNORE_UNUSED,
289 			RK3288_CLKSEL_CON(0), 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,
290 			RK3288_CLKGATE_CON(12), 5, GFLAGS),
291 	COMPOSITE_NOMUX(0, "aclk_core_mp", "armclk", CLK_IGNORE_UNUSED,
292 			RK3288_CLKSEL_CON(0), 4, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,
293 			RK3288_CLKGATE_CON(12), 6, GFLAGS),
294 	COMPOSITE_NOMUX(0, "atclk", "armclk", 0,
295 			RK3288_CLKSEL_CON(37), 4, 5, DFLAGS | CLK_DIVIDER_READ_ONLY,
296 			RK3288_CLKGATE_CON(12), 7, GFLAGS),
297 	COMPOSITE_NOMUX(0, "pclk_dbg_pre", "armclk", CLK_IGNORE_UNUSED,
298 			RK3288_CLKSEL_CON(37), 9, 5, DFLAGS | CLK_DIVIDER_READ_ONLY,
299 			RK3288_CLKGATE_CON(12), 8, GFLAGS),
300 	GATE(0, "pclk_dbg", "pclk_dbg_pre", 0,
301 			RK3288_CLKGATE_CON(12), 9, GFLAGS),
302 	GATE(0, "cs_dbg", "pclk_dbg_pre", CLK_IGNORE_UNUSED,
303 			RK3288_CLKGATE_CON(12), 10, GFLAGS),
304 	GATE(0, "pclk_core_niu", "pclk_dbg_pre", 0,
305 			RK3288_CLKGATE_CON(12), 11, GFLAGS),
306 
307 	GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED,
308 			RK3288_CLKGATE_CON(0), 8, GFLAGS),
309 	GATE(0, "gpll_ddr", "gpll", 0,
310 			RK3288_CLKGATE_CON(0), 9, GFLAGS),
311 	COMPOSITE_NOGATE(0, "ddrphy", mux_ddrphy_p, CLK_IGNORE_UNUSED,
312 			RK3288_CLKSEL_CON(26), 2, 1, MFLAGS, 0, 2,
313 					DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
314 
315 	GATE(0, "gpll_aclk_cpu", "gpll", CLK_IGNORE_UNUSED,
316 			RK3288_CLKGATE_CON(0), 10, GFLAGS),
317 	GATE(0, "cpll_aclk_cpu", "cpll", CLK_IGNORE_UNUSED,
318 			RK3288_CLKGATE_CON(0), 11, GFLAGS),
319 	COMPOSITE_NOGATE(0, "aclk_cpu_src", mux_aclk_cpu_src_p, CLK_IGNORE_UNUSED,
320 			RK3288_CLKSEL_CON(1), 15, 1, MFLAGS, 3, 5, DFLAGS),
321 	DIV(0, "aclk_cpu_pre", "aclk_cpu_src", CLK_SET_RATE_PARENT,
322 			RK3288_CLKSEL_CON(1), 0, 3, DFLAGS),
323 	GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_pre", CLK_IGNORE_UNUSED,
324 			RK3288_CLKGATE_CON(0), 3, GFLAGS),
325 	COMPOSITE_NOMUX(PCLK_CPU, "pclk_cpu", "aclk_cpu_pre", CLK_IGNORE_UNUSED,
326 			RK3288_CLKSEL_CON(1), 12, 3, DFLAGS,
327 			RK3288_CLKGATE_CON(0), 5, GFLAGS),
328 	COMPOSITE_NOMUX_DIVTBL(HCLK_CPU, "hclk_cpu", "aclk_cpu_pre", CLK_IGNORE_UNUSED,
329 			RK3288_CLKSEL_CON(1), 8, 2, DFLAGS, div_hclk_cpu_t,
330 			RK3288_CLKGATE_CON(0), 4, GFLAGS),
331 	GATE(0, "c2c_host", "aclk_cpu_src", 0,
332 			RK3288_CLKGATE_CON(13), 8, GFLAGS),
333 	COMPOSITE_NOMUX(SCLK_CRYPTO, "crypto", "aclk_cpu_pre", 0,
334 			RK3288_CLKSEL_CON(26), 6, 2, DFLAGS,
335 			RK3288_CLKGATE_CON(5), 4, GFLAGS),
336 	GATE(0, "aclk_bus_2pmu", "aclk_cpu_pre", CLK_IGNORE_UNUSED,
337 			RK3288_CLKGATE_CON(0), 7, GFLAGS),
338 
339 	FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
340 
341 	COMPOSITE(0, "i2s_src", mux_pll_src_cpll_gpll_p, 0,
342 			RK3288_CLKSEL_CON(4), 15, 1, MFLAGS, 0, 7, DFLAGS,
343 			RK3288_CLKGATE_CON(4), 1, GFLAGS),
344 	COMPOSITE_FRACMUX(0, "i2s_frac", "i2s_src", CLK_SET_RATE_PARENT,
345 			RK3288_CLKSEL_CON(8), 0,
346 			RK3288_CLKGATE_CON(4), 2, GFLAGS,
347 			&rk3288_i2s_fracmux),
348 	COMPOSITE_NODIV(SCLK_I2S0_OUT, "i2s0_clkout", mux_i2s_clkout_p, 0,
349 			RK3288_CLKSEL_CON(4), 12, 1, MFLAGS,
350 			RK3288_CLKGATE_CON(4), 0, GFLAGS),
351 	GATE(SCLK_I2S0, "sclk_i2s0", "i2s_pre", CLK_SET_RATE_PARENT,
352 			RK3288_CLKGATE_CON(4), 3, GFLAGS),
353 
354 	MUX(0, "spdif_src", mux_pll_src_cpll_gpll_p, 0,
355 			RK3288_CLKSEL_CON(5), 15, 1, MFLAGS),
356 	COMPOSITE_NOMUX(0, "spdif_pre", "spdif_src", CLK_SET_RATE_PARENT,
357 			RK3288_CLKSEL_CON(5), 0, 7, DFLAGS,
358 			RK3288_CLKGATE_CON(4), 4, GFLAGS),
359 	COMPOSITE_FRACMUX(0, "spdif_frac", "spdif_src", CLK_SET_RATE_PARENT,
360 			RK3288_CLKSEL_CON(9), 0,
361 			RK3288_CLKGATE_CON(4), 5, GFLAGS,
362 			&rk3288_spdif_fracmux),
363 	GATE(SCLK_SPDIF, "sclk_spdif", "spdif_mux", CLK_SET_RATE_PARENT,
364 			RK3288_CLKGATE_CON(4), 6, GFLAGS),
365 	COMPOSITE_NOMUX(0, "spdif_8ch_pre", "spdif_src", CLK_SET_RATE_PARENT,
366 			RK3288_CLKSEL_CON(40), 0, 7, DFLAGS,
367 			RK3288_CLKGATE_CON(4), 7, GFLAGS),
368 	COMPOSITE_FRACMUX(0, "spdif_8ch_frac", "spdif_8ch_pre", CLK_SET_RATE_PARENT,
369 			RK3288_CLKSEL_CON(41), 0,
370 			RK3288_CLKGATE_CON(4), 8, GFLAGS,
371 			&rk3288_spdif_8ch_fracmux),
372 	GATE(SCLK_SPDIF8CH, "sclk_spdif_8ch", "spdif_8ch_mux", CLK_SET_RATE_PARENT,
373 			RK3288_CLKGATE_CON(4), 9, GFLAGS),
374 
375 	GATE(0, "sclk_acc_efuse", "xin24m", 0,
376 			RK3288_CLKGATE_CON(0), 12, GFLAGS),
377 
378 	GATE(SCLK_TIMER0, "sclk_timer0", "xin24m", 0,
379 			RK3288_CLKGATE_CON(1), 0, GFLAGS),
380 	GATE(SCLK_TIMER1, "sclk_timer1", "xin24m", 0,
381 			RK3288_CLKGATE_CON(1), 1, GFLAGS),
382 	GATE(SCLK_TIMER2, "sclk_timer2", "xin24m", 0,
383 			RK3288_CLKGATE_CON(1), 2, GFLAGS),
384 	GATE(SCLK_TIMER3, "sclk_timer3", "xin24m", 0,
385 			RK3288_CLKGATE_CON(1), 3, GFLAGS),
386 	GATE(SCLK_TIMER4, "sclk_timer4", "xin24m", 0,
387 			RK3288_CLKGATE_CON(1), 4, GFLAGS),
388 	GATE(SCLK_TIMER5, "sclk_timer5", "xin24m", 0,
389 			RK3288_CLKGATE_CON(1), 5, GFLAGS),
390 
391 	/*
392 	 * Clock-Architecture Diagram 2
393 	 */
394 
395 	COMPOSITE(0, "aclk_vepu", mux_pll_src_cpll_gpll_usb480m_p, 0,
396 			RK3288_CLKSEL_CON(32), 6, 2, MFLAGS, 0, 5, DFLAGS,
397 			RK3288_CLKGATE_CON(3), 9, GFLAGS),
398 	COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_usb480m_p, 0,
399 			RK3288_CLKSEL_CON(32), 14, 2, MFLAGS, 8, 5, DFLAGS,
400 			RK3288_CLKGATE_CON(3), 11, GFLAGS),
401 	/*
402 	 * We use aclk_vdpu by default GRF_SOC_CON0[7] setting in system,
403 	 * so we ignore the mux and make clocks nodes as following,
404 	 */
405 	GATE(ACLK_VCODEC, "aclk_vcodec", "aclk_vdpu", 0,
406 		RK3288_CLKGATE_CON(9), 0, GFLAGS),
407 
408 	FACTOR_GATE(0, "hclk_vcodec_pre", "aclk_vdpu", 0, 1, 4,
409 		RK3288_CLKGATE_CON(3), 10, GFLAGS),
410 
411 	GATE(HCLK_VCODEC, "hclk_vcodec", "hclk_vcodec_pre", 0,
412 		RK3288_CLKGATE_CON(9), 1, GFLAGS),
413 
414 	COMPOSITE(0, "aclk_vio0", mux_pll_src_cpll_gpll_usb480m_p, CLK_IGNORE_UNUSED,
415 			RK3288_CLKSEL_CON(31), 6, 2, MFLAGS, 0, 5, DFLAGS,
416 			RK3288_CLKGATE_CON(3), 0, GFLAGS),
417 	DIV(0, "hclk_vio", "aclk_vio0", 0,
418 			RK3288_CLKSEL_CON(28), 8, 5, DFLAGS),
419 	COMPOSITE(0, "aclk_vio1", mux_pll_src_cpll_gpll_usb480m_p, CLK_IGNORE_UNUSED,
420 			RK3288_CLKSEL_CON(31), 14, 2, MFLAGS, 8, 5, DFLAGS,
421 			RK3288_CLKGATE_CON(3), 2, GFLAGS),
422 
423 	COMPOSITE(0, "aclk_rga_pre", mux_pll_src_cpll_gpll_usb480m_p, 0,
424 			RK3288_CLKSEL_CON(30), 6, 2, MFLAGS, 0, 5, DFLAGS,
425 			RK3288_CLKGATE_CON(3), 5, GFLAGS),
426 	COMPOSITE(SCLK_RGA, "sclk_rga", mux_pll_src_cpll_gpll_usb480m_p, 0,
427 			RK3288_CLKSEL_CON(30), 14, 2, MFLAGS, 8, 5, DFLAGS,
428 			RK3288_CLKGATE_CON(3), 4, GFLAGS),
429 
430 	COMPOSITE(DCLK_VOP0, "dclk_vop0", mux_pll_src_cpll_gpll_npll_p, 0,
431 			RK3288_CLKSEL_CON(27), 0, 2, MFLAGS, 8, 8, DFLAGS,
432 			RK3288_CLKGATE_CON(3), 1, GFLAGS),
433 	COMPOSITE(DCLK_VOP1, "dclk_vop1", mux_pll_src_cpll_gpll_npll_p, 0,
434 			RK3288_CLKSEL_CON(29), 6, 2, MFLAGS, 8, 8, DFLAGS,
435 			RK3288_CLKGATE_CON(3), 3, GFLAGS),
436 
437 	COMPOSITE_NODIV(SCLK_EDP_24M, "sclk_edp_24m", mux_edp_24m_p, 0,
438 			RK3288_CLKSEL_CON(28), 15, 1, MFLAGS,
439 			RK3288_CLKGATE_CON(3), 12, GFLAGS),
440 	COMPOSITE(SCLK_EDP, "sclk_edp", mux_pll_src_cpll_gpll_npll_p, 0,
441 			RK3288_CLKSEL_CON(28), 6, 2, MFLAGS, 0, 6, DFLAGS,
442 			RK3288_CLKGATE_CON(3), 13, GFLAGS),
443 
444 	COMPOSITE(SCLK_ISP, "sclk_isp", mux_pll_src_cpll_gpll_npll_p, 0,
445 			RK3288_CLKSEL_CON(6), 6, 2, MFLAGS, 0, 6, DFLAGS,
446 			RK3288_CLKGATE_CON(3), 14, GFLAGS),
447 	COMPOSITE(SCLK_ISP_JPE, "sclk_isp_jpe", mux_pll_src_cpll_gpll_npll_p, 0,
448 			RK3288_CLKSEL_CON(6), 14, 2, MFLAGS, 8, 6, DFLAGS,
449 			RK3288_CLKGATE_CON(3), 15, GFLAGS),
450 
451 	GATE(SCLK_HDMI_HDCP, "sclk_hdmi_hdcp", "xin24m", 0,
452 			RK3288_CLKGATE_CON(5), 12, GFLAGS),
453 	GATE(SCLK_HDMI_CEC, "sclk_hdmi_cec", "xin32k", 0,
454 			RK3288_CLKGATE_CON(5), 11, GFLAGS),
455 
456 	COMPOSITE(ACLK_HEVC, "aclk_hevc", mux_pll_src_cpll_gpll_npll_p, 0,
457 			RK3288_CLKSEL_CON(39), 14, 2, MFLAGS, 8, 5, DFLAGS,
458 			RK3288_CLKGATE_CON(13), 13, GFLAGS),
459 	DIV(HCLK_HEVC, "hclk_hevc", "aclk_hevc", 0,
460 			RK3288_CLKSEL_CON(40), 12, 2, DFLAGS),
461 
462 	COMPOSITE(SCLK_HEVC_CABAC, "sclk_hevc_cabac", mux_pll_src_cpll_gpll_npll_p, 0,
463 			RK3288_CLKSEL_CON(42), 6, 2, MFLAGS, 0, 5, DFLAGS,
464 			RK3288_CLKGATE_CON(13), 14, GFLAGS),
465 	COMPOSITE(SCLK_HEVC_CORE, "sclk_hevc_core", mux_pll_src_cpll_gpll_npll_p, 0,
466 			RK3288_CLKSEL_CON(42), 14, 2, MFLAGS, 8, 5, DFLAGS,
467 			RK3288_CLKGATE_CON(13), 15, GFLAGS),
468 
469 	COMPOSITE_NODIV(0, "vip_src", mux_pll_src_cpll_gpll_p, 0,
470 			RK3288_CLKSEL_CON(26), 8, 1, MFLAGS,
471 			RK3288_CLKGATE_CON(3), 7, GFLAGS),
472 	COMPOSITE_NOGATE(0, "sclk_vip_out", mux_vip_out_p, 0,
473 			RK3288_CLKSEL_CON(26), 15, 1, MFLAGS, 9, 5, DFLAGS),
474 
475 	DIV(0, "pclk_pd_alive", "gpll", 0,
476 			RK3288_CLKSEL_CON(33), 8, 5, DFLAGS),
477 	COMPOSITE_NOMUX(0, "pclk_pd_pmu", "gpll", CLK_IGNORE_UNUSED,
478 			RK3288_CLKSEL_CON(33), 0, 5, DFLAGS,
479 			RK3288_CLKGATE_CON(5), 8, GFLAGS),
480 
481 	COMPOSITE(SCLK_GPU, "sclk_gpu", mux_pll_src_cpll_gll_usb_npll_p, 0,
482 			RK3288_CLKSEL_CON(34), 6, 2, MFLAGS, 0, 5, DFLAGS,
483 			RK3288_CLKGATE_CON(5), 7, GFLAGS),
484 
485 	COMPOSITE(0, "aclk_peri_src", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED,
486 			RK3288_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
487 			RK3288_CLKGATE_CON(2), 0, GFLAGS),
488 	COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_src", 0,
489 			RK3288_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
490 			RK3288_CLKGATE_CON(2), 3, GFLAGS),
491 	COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", CLK_IGNORE_UNUSED,
492 			RK3288_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
493 			RK3288_CLKGATE_CON(2), 2, GFLAGS),
494 	GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", CLK_IGNORE_UNUSED,
495 			RK3288_CLKGATE_CON(2), 1, GFLAGS),
496 
497 	/*
498 	 * Clock-Architecture Diagram 3
499 	 */
500 
501 	COMPOSITE(SCLK_SPI0, "sclk_spi0", mux_pll_src_cpll_gpll_p, 0,
502 			RK3288_CLKSEL_CON(25), 7, 1, MFLAGS, 0, 7, DFLAGS,
503 			RK3288_CLKGATE_CON(2), 9, GFLAGS),
504 	COMPOSITE(SCLK_SPI1, "sclk_spi1", mux_pll_src_cpll_gpll_p, 0,
505 			RK3288_CLKSEL_CON(25), 15, 1, MFLAGS, 8, 7, DFLAGS,
506 			RK3288_CLKGATE_CON(2), 10, GFLAGS),
507 	COMPOSITE(SCLK_SPI2, "sclk_spi2", mux_pll_src_cpll_gpll_p, 0,
508 			RK3288_CLKSEL_CON(39), 7, 1, MFLAGS, 0, 7, DFLAGS,
509 			RK3288_CLKGATE_CON(2), 11, GFLAGS),
510 
511 	COMPOSITE(SCLK_SDMMC, "sclk_sdmmc", mux_mmc_src_p, 0,
512 			RK3288_CLKSEL_CON(11), 6, 2, MFLAGS, 0, 6, DFLAGS,
513 			RK3288_CLKGATE_CON(13), 0, GFLAGS),
514 	COMPOSITE(SCLK_SDIO0, "sclk_sdio0", mux_mmc_src_p, 0,
515 			RK3288_CLKSEL_CON(12), 6, 2, MFLAGS, 0, 6, DFLAGS,
516 			RK3288_CLKGATE_CON(13), 1, GFLAGS),
517 	COMPOSITE(SCLK_SDIO1, "sclk_sdio1", mux_mmc_src_p, 0,
518 			RK3288_CLKSEL_CON(34), 14, 2, MFLAGS, 8, 6, DFLAGS,
519 			RK3288_CLKGATE_CON(13), 2, GFLAGS),
520 	COMPOSITE(SCLK_EMMC, "sclk_emmc", mux_mmc_src_p, 0,
521 			RK3288_CLKSEL_CON(12), 14, 2, MFLAGS, 8, 6, DFLAGS,
522 			RK3288_CLKGATE_CON(13), 3, GFLAGS),
523 
524 	MMC(SCLK_SDMMC_DRV,    "sdmmc_drv",    "sclk_sdmmc", RK3288_SDMMC_CON0, 1),
525 	MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3288_SDMMC_CON1, 0),
526 
527 	MMC(SCLK_SDIO0_DRV,    "sdio0_drv",    "sclk_sdio0", RK3288_SDIO0_CON0, 1),
528 	MMC(SCLK_SDIO0_SAMPLE, "sdio0_sample", "sclk_sdio0", RK3288_SDIO0_CON1, 0),
529 
530 	MMC(SCLK_SDIO1_DRV,    "sdio1_drv",    "sclk_sdio1", RK3288_SDIO1_CON0, 1),
531 	MMC(SCLK_SDIO1_SAMPLE, "sdio1_sample", "sclk_sdio1", RK3288_SDIO1_CON1, 0),
532 
533 	MMC(SCLK_EMMC_DRV,     "emmc_drv",     "sclk_emmc",  RK3288_EMMC_CON0,  1),
534 	MMC(SCLK_EMMC_SAMPLE,  "emmc_sample",  "sclk_emmc",  RK3288_EMMC_CON1,  0),
535 
536 	COMPOSITE(0, "sclk_tspout", mux_tspout_p, 0,
537 			RK3288_CLKSEL_CON(35), 14, 2, MFLAGS, 8, 5, DFLAGS,
538 			RK3288_CLKGATE_CON(4), 11, GFLAGS),
539 	COMPOSITE(0, "sclk_tsp", mux_pll_src_cpll_gpll_npll_p, 0,
540 			RK3288_CLKSEL_CON(35), 6, 2, MFLAGS, 0, 5, DFLAGS,
541 			RK3288_CLKGATE_CON(4), 10, GFLAGS),
542 
543 	GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin24m", CLK_IGNORE_UNUSED,
544 			RK3288_CLKGATE_CON(13), 4, GFLAGS),
545 	GATE(SCLK_OTGPHY1, "sclk_otgphy1", "xin24m", CLK_IGNORE_UNUSED,
546 			RK3288_CLKGATE_CON(13), 5, GFLAGS),
547 	GATE(SCLK_OTGPHY2, "sclk_otgphy2", "xin24m", CLK_IGNORE_UNUSED,
548 			RK3288_CLKGATE_CON(13), 6, GFLAGS),
549 	GATE(SCLK_OTG_ADP, "sclk_otg_adp", "xin32k", CLK_IGNORE_UNUSED,
550 			RK3288_CLKGATE_CON(13), 7, GFLAGS),
551 
552 	COMPOSITE_NOMUX(SCLK_TSADC, "sclk_tsadc", "xin32k", 0,
553 			RK3288_CLKSEL_CON(2), 0, 6, DFLAGS,
554 			RK3288_CLKGATE_CON(2), 7, GFLAGS),
555 
556 	COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
557 			RK3288_CLKSEL_CON(24), 8, 8, DFLAGS,
558 			RK3288_CLKGATE_CON(2), 8, GFLAGS),
559 
560 	GATE(SCLK_PS2C, "sclk_ps2c", "xin24m", 0,
561 			RK3288_CLKGATE_CON(5), 13, GFLAGS),
562 
563 	COMPOSITE(SCLK_NANDC0, "sclk_nandc0", mux_pll_src_cpll_gpll_p, 0,
564 			RK3288_CLKSEL_CON(38), 7, 1, MFLAGS, 0, 5, DFLAGS,
565 			RK3288_CLKGATE_CON(5), 5, GFLAGS),
566 	COMPOSITE(SCLK_NANDC1, "sclk_nandc1", mux_pll_src_cpll_gpll_p, 0,
567 			RK3288_CLKSEL_CON(38), 15, 1, MFLAGS, 8, 5, DFLAGS,
568 			RK3288_CLKGATE_CON(5), 6, GFLAGS),
569 
570 	COMPOSITE(0, "uart0_src", mux_pll_src_cpll_gll_usb_npll_p, 0,
571 			RK3288_CLKSEL_CON(13), 13, 2, MFLAGS, 0, 7, DFLAGS,
572 			RK3288_CLKGATE_CON(1), 8, GFLAGS),
573 	COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT,
574 			RK3288_CLKSEL_CON(17), 0,
575 			RK3288_CLKGATE_CON(1), 9, GFLAGS,
576 			&rk3288_uart0_fracmux),
577 	MUX(0, "uart_src", mux_pll_src_cpll_gpll_p, 0,
578 			RK3288_CLKSEL_CON(13), 15, 1, MFLAGS),
579 	COMPOSITE_NOMUX(0, "uart1_src", "uart_src", 0,
580 			RK3288_CLKSEL_CON(14), 0, 7, DFLAGS,
581 			RK3288_CLKGATE_CON(1), 10, GFLAGS),
582 	COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT,
583 			RK3288_CLKSEL_CON(18), 0,
584 			RK3288_CLKGATE_CON(1), 11, GFLAGS,
585 			&rk3288_uart1_fracmux),
586 	COMPOSITE_NOMUX(0, "uart2_src", "uart_src", 0,
587 			RK3288_CLKSEL_CON(15), 0, 7, DFLAGS,
588 			RK3288_CLKGATE_CON(1), 12, GFLAGS),
589 	COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT,
590 			RK3288_CLKSEL_CON(19), 0,
591 			RK3288_CLKGATE_CON(1), 13, GFLAGS,
592 			&rk3288_uart2_fracmux),
593 	COMPOSITE_NOMUX(0, "uart3_src", "uart_src", 0,
594 			RK3288_CLKSEL_CON(16), 0, 7, DFLAGS,
595 			RK3288_CLKGATE_CON(1), 14, GFLAGS),
596 	COMPOSITE_FRACMUX(0, "uart3_frac", "uart3_src", CLK_SET_RATE_PARENT,
597 			RK3288_CLKSEL_CON(20), 0,
598 			RK3288_CLKGATE_CON(1), 15, GFLAGS,
599 			&rk3288_uart3_fracmux),
600 	COMPOSITE_NOMUX(0, "uart4_src", "uart_src", 0,
601 			RK3288_CLKSEL_CON(3), 0, 7, DFLAGS,
602 			RK3288_CLKGATE_CON(2), 12, GFLAGS),
603 	COMPOSITE_FRACMUX(0, "uart4_frac", "uart4_src", CLK_SET_RATE_PARENT,
604 			RK3288_CLKSEL_CON(7), 0,
605 			RK3288_CLKGATE_CON(2), 13, GFLAGS,
606 			&rk3288_uart4_fracmux),
607 
608 	COMPOSITE(0, "mac_pll_src", mux_pll_src_npll_cpll_gpll_p, 0,
609 			RK3288_CLKSEL_CON(21), 0, 2, MFLAGS, 8, 5, DFLAGS,
610 			RK3288_CLKGATE_CON(2), 5, GFLAGS),
611 	MUX(SCLK_MAC, "mac_clk", mux_mac_p, CLK_SET_RATE_PARENT,
612 			RK3288_CLKSEL_CON(21), 4, 1, MFLAGS),
613 	GATE(SCLK_MACREF_OUT, "sclk_macref_out", "mac_clk", 0,
614 			RK3288_CLKGATE_CON(5), 3, GFLAGS),
615 	GATE(SCLK_MACREF, "sclk_macref", "mac_clk", 0,
616 			RK3288_CLKGATE_CON(5), 2, GFLAGS),
617 	GATE(SCLK_MAC_RX, "sclk_mac_rx", "mac_clk", 0,
618 			RK3288_CLKGATE_CON(5), 0, GFLAGS),
619 	GATE(SCLK_MAC_TX, "sclk_mac_tx", "mac_clk", 0,
620 			RK3288_CLKGATE_CON(5), 1, GFLAGS),
621 
622 	COMPOSITE(0, "hsadc_src", mux_pll_src_cpll_gpll_p, 0,
623 			RK3288_CLKSEL_CON(22), 0, 1, MFLAGS, 8, 8, DFLAGS,
624 			RK3288_CLKGATE_CON(2), 6, GFLAGS),
625 	MUX(0, "sclk_hsadc_out", mux_hsadcout_p, 0,
626 			RK3288_CLKSEL_CON(22), 4, 1, MFLAGS),
627 	INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out",
628 			RK3288_CLKSEL_CON(22), 7, IFLAGS),
629 
630 	GATE(0, "jtag", "ext_jtag", 0,
631 			RK3288_CLKGATE_CON(4), 14, GFLAGS),
632 
633 	COMPOSITE_NODIV(SCLK_USBPHY480M_SRC, "usbphy480m_src", mux_usbphy480m_p, 0,
634 			RK3288_CLKSEL_CON(13), 11, 2, MFLAGS,
635 			RK3288_CLKGATE_CON(5), 14, GFLAGS),
636 	COMPOSITE_NODIV(SCLK_HSICPHY480M, "sclk_hsicphy480m", mux_hsicphy480m_p, 0,
637 			RK3288_CLKSEL_CON(29), 0, 2, MFLAGS,
638 			RK3288_CLKGATE_CON(3), 6, GFLAGS),
639 	GATE(0, "hsicphy12m_xin12m", "xin12m", 0,
640 			RK3288_CLKGATE_CON(13), 9, GFLAGS),
641 	DIV(0, "hsicphy12m_usbphy", "sclk_hsicphy480m", 0,
642 			RK3288_CLKSEL_CON(11), 8, 6, DFLAGS),
643 	MUX(SCLK_HSICPHY12M, "sclk_hsicphy12m", mux_hsicphy12m_p, 0,
644 			RK3288_CLKSEL_CON(22), 4, 1, MFLAGS),
645 
646 	/*
647 	 * Clock-Architecture Diagram 4
648 	 */
649 
650 	/* aclk_cpu gates */
651 	GATE(0, "sclk_intmem0", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 5, GFLAGS),
652 	GATE(0, "sclk_intmem1", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 6, GFLAGS),
653 	GATE(0, "sclk_intmem2", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 7, GFLAGS),
654 	GATE(ACLK_DMAC1, "aclk_dmac1", "aclk_cpu", 0, RK3288_CLKGATE_CON(10), 12, GFLAGS),
655 	GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 13, GFLAGS),
656 	GATE(0, "aclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 4, GFLAGS),
657 	GATE(ACLK_CRYPTO, "aclk_crypto", "aclk_cpu", 0, RK3288_CLKGATE_CON(11), 6, GFLAGS),
658 	GATE(0, "aclk_ccp", "aclk_cpu", 0, RK3288_CLKGATE_CON(11), 8, GFLAGS),
659 
660 	/* hclk_cpu gates */
661 	GATE(HCLK_CRYPTO, "hclk_crypto", "hclk_cpu", 0, RK3288_CLKGATE_CON(11), 7, GFLAGS),
662 	GATE(HCLK_I2S0, "hclk_i2s0", "hclk_cpu", 0, RK3288_CLKGATE_CON(10), 8, GFLAGS),
663 	GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 9, GFLAGS),
664 	GATE(HCLK_SPDIF, "hclk_spdif", "hclk_cpu", 0, RK3288_CLKGATE_CON(10), 10, GFLAGS),
665 	GATE(HCLK_SPDIF8CH, "hclk_spdif_8ch", "hclk_cpu", 0, RK3288_CLKGATE_CON(10), 11, GFLAGS),
666 
667 	/* pclk_cpu gates */
668 	GATE(PCLK_PWM, "pclk_pwm", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 0, GFLAGS),
669 	GATE(PCLK_TIMER, "pclk_timer", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 1, GFLAGS),
670 	GATE(PCLK_I2C0, "pclk_i2c0", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 2, GFLAGS),
671 	GATE(PCLK_I2C2, "pclk_i2c2", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 3, GFLAGS),
672 	GATE(PCLK_DDRUPCTL0, "pclk_ddrupctl0", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 14, GFLAGS),
673 	GATE(PCLK_PUBL0, "pclk_publ0", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 15, GFLAGS),
674 	GATE(PCLK_DDRUPCTL1, "pclk_ddrupctl1", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 0, GFLAGS),
675 	GATE(PCLK_PUBL1, "pclk_publ1", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 1, GFLAGS),
676 	GATE(PCLK_EFUSE1024, "pclk_efuse_1024", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 2, GFLAGS),
677 	GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 3, GFLAGS),
678 	GATE(PCLK_UART2, "pclk_uart2", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 9, GFLAGS),
679 	GATE(PCLK_EFUSE256, "pclk_efuse_256", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 10, GFLAGS),
680 	GATE(PCLK_RKPWM, "pclk_rkpwm", "pclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 11, GFLAGS),
681 
682 	/* ddrctrl [DDR Controller PHY clock] gates */
683 	GATE(0, "nclk_ddrupctl0", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 4, GFLAGS),
684 	GATE(0, "nclk_ddrupctl1", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 5, GFLAGS),
685 
686 	/* ddrphy gates */
687 	GATE(0, "sclk_ddrphy0", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(4), 12, GFLAGS),
688 	GATE(0, "sclk_ddrphy1", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(4), 13, GFLAGS),
689 
690 	/* aclk_peri gates */
691 	GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(6), 2, GFLAGS),
692 	GATE(ACLK_DMAC2, "aclk_dmac2", "aclk_peri", 0, RK3288_CLKGATE_CON(6), 3, GFLAGS),
693 	GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 11, GFLAGS),
694 	GATE(ACLK_MMU, "aclk_mmu", "aclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(8), 12, GFLAGS),
695 	GATE(ACLK_GMAC, "aclk_gmac", "aclk_peri", 0, RK3288_CLKGATE_CON(8), 0, GFLAGS),
696 	GATE(HCLK_GPS, "hclk_gps", "aclk_peri", 0, RK3288_CLKGATE_CON(8), 2, GFLAGS),
697 
698 	/* hclk_peri gates */
699 	GATE(0, "hclk_peri_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(6), 0, GFLAGS),
700 	GATE(HCLK_OTG0, "hclk_otg0", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 4, GFLAGS),
701 	GATE(HCLK_USBHOST0, "hclk_host0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 6, GFLAGS),
702 	GATE(HCLK_USBHOST1, "hclk_host1", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 7, GFLAGS),
703 	GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 8, GFLAGS),
704 	GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 9, GFLAGS),
705 	GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 10, GFLAGS),
706 	GATE(0, "hclk_emem", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 12, GFLAGS),
707 	GATE(0, "hclk_mem", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 13, GFLAGS),
708 	GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 14, GFLAGS),
709 	GATE(HCLK_NANDC1, "hclk_nandc1", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 15, GFLAGS),
710 	GATE(HCLK_TSP, "hclk_tsp", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 8, GFLAGS),
711 	GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 3, GFLAGS),
712 	GATE(HCLK_SDIO0, "hclk_sdio0", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 4, GFLAGS),
713 	GATE(HCLK_SDIO1, "hclk_sdio1", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 5, GFLAGS),
714 	GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 6, GFLAGS),
715 	GATE(HCLK_HSADC, "hclk_hsadc", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 7, GFLAGS),
716 	GATE(0, "pmu_hclk_otg0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 5, GFLAGS),
717 
718 	/* pclk_peri gates */
719 	GATE(0, "pclk_peri_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(6), 1, GFLAGS),
720 	GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 4, GFLAGS),
721 	GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 5, GFLAGS),
722 	GATE(PCLK_SPI2, "pclk_spi2", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 6, GFLAGS),
723 	GATE(PCLK_PS2C, "pclk_ps2c", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 7, GFLAGS),
724 	GATE(PCLK_UART0, "pclk_uart0", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 8, GFLAGS),
725 	GATE(PCLK_UART1, "pclk_uart1", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 9, GFLAGS),
726 	GATE(PCLK_I2C4, "pclk_i2c4", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 15, GFLAGS),
727 	GATE(PCLK_UART3, "pclk_uart3", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 11, GFLAGS),
728 	GATE(PCLK_UART4, "pclk_uart4", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 12, GFLAGS),
729 	GATE(PCLK_I2C1, "pclk_i2c1", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 13, GFLAGS),
730 	GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 14, GFLAGS),
731 	GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK3288_CLKGATE_CON(7), 1, GFLAGS),
732 	GATE(PCLK_TSADC, "pclk_tsadc", "pclk_peri", 0, RK3288_CLKGATE_CON(7), 2, GFLAGS),
733 	GATE(PCLK_SIM, "pclk_sim", "pclk_peri", 0, RK3288_CLKGATE_CON(7), 3, GFLAGS),
734 	GATE(PCLK_I2C5, "pclk_i2c5", "pclk_peri", 0, RK3288_CLKGATE_CON(7), 0, GFLAGS),
735 	GATE(PCLK_GMAC, "pclk_gmac", "pclk_peri", 0, RK3288_CLKGATE_CON(8), 1, GFLAGS),
736 
737 	GATE(SCLK_LCDC_PWM0, "sclk_lcdc_pwm0", "xin24m", 0, RK3288_CLKGATE_CON(13), 10, GFLAGS),
738 	GATE(SCLK_LCDC_PWM1, "sclk_lcdc_pwm1", "xin24m", 0, RK3288_CLKGATE_CON(13), 11, GFLAGS),
739 	GATE(SCLK_PVTM_CORE, "sclk_pvtm_core", "xin24m", 0, RK3288_CLKGATE_CON(5), 9, GFLAGS),
740 	GATE(SCLK_PVTM_GPU, "sclk_pvtm_gpu", "xin24m", 0, RK3288_CLKGATE_CON(5), 10, GFLAGS),
741 	GATE(SCLK_MIPIDSI_24M, "sclk_mipidsi_24m", "xin24m", 0, RK3288_CLKGATE_CON(5), 15, GFLAGS),
742 
743 	/* sclk_gpu gates */
744 	GATE(ACLK_GPU, "aclk_gpu", "sclk_gpu", 0, RK3288_CLKGATE_CON(18), 0, GFLAGS),
745 
746 	/* pclk_pd_alive gates */
747 	GATE(PCLK_GPIO8, "pclk_gpio8", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 8, GFLAGS),
748 	GATE(PCLK_GPIO7, "pclk_gpio7", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 7, GFLAGS),
749 	GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 1, GFLAGS),
750 	GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 2, GFLAGS),
751 	GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 3, GFLAGS),
752 	GATE(PCLK_GPIO4, "pclk_gpio4", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 4, GFLAGS),
753 	GATE(PCLK_GPIO5, "pclk_gpio5", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 5, GFLAGS),
754 	GATE(PCLK_GPIO6, "pclk_gpio6", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 6, GFLAGS),
755 	GATE(PCLK_GRF, "pclk_grf", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(14), 11, GFLAGS),
756 	GATE(0, "pclk_alive_niu", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(14), 12, GFLAGS),
757 
758 	/* pclk_pd_pmu gates */
759 	GATE(PCLK_PMU, "pclk_pmu", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 0, GFLAGS),
760 	GATE(0, "pclk_intmem1", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 1, GFLAGS),
761 	GATE(0, "pclk_pmu_niu", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 2, GFLAGS),
762 	GATE(PCLK_SGRF, "pclk_sgrf", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 3, GFLAGS),
763 	GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_pd_pmu", 0, RK3288_CLKGATE_CON(17), 4, GFLAGS),
764 
765 	/* hclk_vio gates */
766 	GATE(HCLK_RGA, "hclk_rga", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 1, GFLAGS),
767 	GATE(HCLK_VOP0, "hclk_vop0", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 6, GFLAGS),
768 	GATE(HCLK_VOP1, "hclk_vop1", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 8, GFLAGS),
769 	GATE(HCLK_VIO_AHB_ARBI, "hclk_vio_ahb_arbi", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 9, GFLAGS),
770 	GATE(HCLK_VIO_NIU, "hclk_vio_niu", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 10, GFLAGS),
771 	GATE(HCLK_VIP, "hclk_vip", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 15, GFLAGS),
772 	GATE(HCLK_IEP, "hclk_iep", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 3, GFLAGS),
773 	GATE(HCLK_ISP, "hclk_isp", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 1, GFLAGS),
774 	GATE(HCLK_VIO2_H2P, "hclk_vio2_h2p", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(16), 10, GFLAGS),
775 	GATE(PCLK_MIPI_DSI0, "pclk_mipi_dsi0", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 4, GFLAGS),
776 	GATE(PCLK_MIPI_DSI1, "pclk_mipi_dsi1", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 5, GFLAGS),
777 	GATE(PCLK_MIPI_CSI, "pclk_mipi_csi", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 6, GFLAGS),
778 	GATE(PCLK_LVDS_PHY, "pclk_lvds_phy", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 7, GFLAGS),
779 	GATE(PCLK_EDP_CTRL, "pclk_edp_ctrl", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(16), 8, GFLAGS),
780 	GATE(PCLK_HDMI_CTRL, "pclk_hdmi_ctrl", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 9, GFLAGS),
781 	GATE(PCLK_VIO2_H2P, "pclk_vio2_h2p", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(16), 11, GFLAGS),
782 
783 	/* aclk_vio0 gates */
784 	GATE(ACLK_VOP0, "aclk_vop0", "aclk_vio0", 0, RK3288_CLKGATE_CON(15), 5, GFLAGS),
785 	GATE(ACLK_IEP, "aclk_iep", "aclk_vio0", 0, RK3288_CLKGATE_CON(15), 2, GFLAGS),
786 	GATE(ACLK_VIO0_NIU, "aclk_vio0_niu", "aclk_vio0", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 11, GFLAGS),
787 	GATE(ACLK_VIP, "aclk_vip", "aclk_vio0", 0, RK3288_CLKGATE_CON(15), 14, GFLAGS),
788 
789 	/* aclk_vio1 gates */
790 	GATE(ACLK_VOP1, "aclk_vop1", "aclk_vio1", 0, RK3288_CLKGATE_CON(15), 7, GFLAGS),
791 	GATE(ACLK_ISP, "aclk_isp", "aclk_vio1", 0, RK3288_CLKGATE_CON(16), 2, GFLAGS),
792 	GATE(ACLK_VIO1_NIU, "aclk_vio1_niu", "aclk_vio1", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 12, GFLAGS),
793 
794 	/* aclk_rga_pre gates */
795 	GATE(ACLK_RGA, "aclk_rga", "aclk_rga_pre", 0, RK3288_CLKGATE_CON(15), 0, GFLAGS),
796 	GATE(ACLK_RGA_NIU, "aclk_rga_niu", "aclk_rga_pre", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 13, GFLAGS),
797 
798 	/*
799 	 * Other ungrouped clocks.
800 	 */
801 
802 	GATE(0, "pclk_vip_in", "ext_vip", 0, RK3288_CLKGATE_CON(16), 0, GFLAGS),
803 	INVERTER(0, "pclk_vip", "pclk_vip_in", RK3288_CLKSEL_CON(29), 4, IFLAGS),
804 	GATE(0, "pclk_isp_in", "ext_isp", 0, RK3288_CLKGATE_CON(16), 3, GFLAGS),
805 	INVERTER(0, "pclk_isp", "pclk_isp_in", RK3288_CLKSEL_CON(29), 3, IFLAGS),
806 };
807 
808 static const char *const rk3288_critical_clocks[] __initconst = {
809 	"aclk_cpu",
810 	"aclk_peri",
811 	"hclk_peri",
812 	"pclk_pd_pmu",
813 };
814 
815 static void __iomem *rk3288_cru_base;
816 
817 /*
818  * Some CRU registers will be reset in maskrom when the system
819  * wakes up from fastboot.
820  * So save them before suspend, restore them after resume.
821  */
822 static const int rk3288_saved_cru_reg_ids[] = {
823 	RK3288_MODE_CON,
824 	RK3288_CLKSEL_CON(0),
825 	RK3288_CLKSEL_CON(1),
826 	RK3288_CLKSEL_CON(10),
827 	RK3288_CLKSEL_CON(33),
828 	RK3288_CLKSEL_CON(37),
829 };
830 
831 static u32 rk3288_saved_cru_regs[ARRAY_SIZE(rk3288_saved_cru_reg_ids)];
832 
833 static int rk3288_clk_suspend(void)
834 {
835 	int i, reg_id;
836 
837 	for (i = 0; i < ARRAY_SIZE(rk3288_saved_cru_reg_ids); i++) {
838 		reg_id = rk3288_saved_cru_reg_ids[i];
839 
840 		rk3288_saved_cru_regs[i] =
841 				readl_relaxed(rk3288_cru_base + reg_id);
842 	}
843 
844 	/*
845 	 * Switch PLLs other than DPLL (for SDRAM) to slow mode to
846 	 * avoid crashes on resume. The Mask ROM on the system will
847 	 * put APLL, CPLL, and GPLL into slow mode at resume time
848 	 * anyway (which is why we restore them), but we might not
849 	 * even make it to the Mask ROM if this isn't done at suspend
850 	 * time.
851 	 *
852 	 * NOTE: only APLL truly matters here, but we'll do them all.
853 	 */
854 
855 	writel_relaxed(0xf3030000, rk3288_cru_base + RK3288_MODE_CON);
856 
857 	return 0;
858 }
859 
860 static void rk3288_clk_resume(void)
861 {
862 	int i, reg_id;
863 
864 	for (i = ARRAY_SIZE(rk3288_saved_cru_reg_ids) - 1; i >= 0; i--) {
865 		reg_id = rk3288_saved_cru_reg_ids[i];
866 
867 		writel_relaxed(rk3288_saved_cru_regs[i] | 0xffff0000,
868 			       rk3288_cru_base + reg_id);
869 	}
870 }
871 
872 static void rk3288_clk_shutdown(void)
873 {
874 	writel_relaxed(0xf3030000, rk3288_cru_base + RK3288_MODE_CON);
875 }
876 
877 static struct syscore_ops rk3288_clk_syscore_ops = {
878 	.suspend = rk3288_clk_suspend,
879 	.resume = rk3288_clk_resume,
880 };
881 
882 static void __init rk3288_clk_init(struct device_node *np)
883 {
884 	struct rockchip_clk_provider *ctx;
885 	struct clk *clk;
886 
887 	rk3288_cru_base = of_iomap(np, 0);
888 	if (!rk3288_cru_base) {
889 		pr_err("%s: could not map cru region\n", __func__);
890 		return;
891 	}
892 
893 	ctx = rockchip_clk_init(np, rk3288_cru_base, CLK_NR_CLKS);
894 	if (IS_ERR(ctx)) {
895 		pr_err("%s: rockchip clk init failed\n", __func__);
896 		iounmap(rk3288_cru_base);
897 		return;
898 	}
899 
900 	/* Watchdog pclk is controlled by RK3288_SGRF_SOC_CON0[1]. */
901 	clk = clk_register_fixed_factor(NULL, "pclk_wdt", "pclk_pd_alive", 0, 1, 1);
902 	if (IS_ERR(clk))
903 		pr_warn("%s: could not register clock pclk_wdt: %ld\n",
904 			__func__, PTR_ERR(clk));
905 	else
906 		rockchip_clk_add_lookup(ctx, clk, PCLK_WDT);
907 
908 	rockchip_clk_register_plls(ctx, rk3288_pll_clks,
909 				   ARRAY_SIZE(rk3288_pll_clks),
910 				   RK3288_GRF_SOC_STATUS1);
911 	rockchip_clk_register_branches(ctx, rk3288_clk_branches,
912 				  ARRAY_SIZE(rk3288_clk_branches));
913 	rockchip_clk_protect_critical(rk3288_critical_clocks,
914 				      ARRAY_SIZE(rk3288_critical_clocks));
915 
916 	rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
917 			mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
918 			&rk3288_cpuclk_data, rk3288_cpuclk_rates,
919 			ARRAY_SIZE(rk3288_cpuclk_rates));
920 
921 	rockchip_register_softrst(np, 12,
922 				  rk3288_cru_base + RK3288_SOFTRST_CON(0),
923 				  ROCKCHIP_SOFTRST_HIWORD_MASK);
924 
925 	rockchip_register_restart_notifier(ctx, RK3288_GLB_SRST_FST,
926 					   rk3288_clk_shutdown);
927 	register_syscore_ops(&rk3288_clk_syscore_ops);
928 
929 	rockchip_clk_of_add_provider(np, ctx);
930 }
931 CLK_OF_DECLARE(rk3288_cru, "rockchip,rk3288-cru", rk3288_clk_init);
932