1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (c) 2015 Heiko Stuebner <heiko@sntech.de>
4  */
5 
6 #include <linux/clk-provider.h>
7 #include <linux/io.h>
8 #include <linux/of.h>
9 #include <linux/of_address.h>
10 #include <linux/platform_device.h>
11 #include <dt-bindings/clock/rk3368-cru.h>
12 #include "clk.h"
13 
14 #define RK3368_GRF_SOC_STATUS0	0x480
15 
16 enum rk3368_plls {
17 	apllb, aplll, dpll, cpll, gpll, npll,
18 };
19 
20 static struct rockchip_pll_rate_table rk3368_pll_rates[] = {
21 	RK3066_PLL_RATE(2208000000, 1, 92, 1),
22 	RK3066_PLL_RATE(2184000000, 1, 91, 1),
23 	RK3066_PLL_RATE(2160000000, 1, 90, 1),
24 	RK3066_PLL_RATE(2136000000, 1, 89, 1),
25 	RK3066_PLL_RATE(2112000000, 1, 88, 1),
26 	RK3066_PLL_RATE(2088000000, 1, 87, 1),
27 	RK3066_PLL_RATE(2064000000, 1, 86, 1),
28 	RK3066_PLL_RATE(2040000000, 1, 85, 1),
29 	RK3066_PLL_RATE(2016000000, 1, 84, 1),
30 	RK3066_PLL_RATE(1992000000, 1, 83, 1),
31 	RK3066_PLL_RATE(1968000000, 1, 82, 1),
32 	RK3066_PLL_RATE(1944000000, 1, 81, 1),
33 	RK3066_PLL_RATE(1920000000, 1, 80, 1),
34 	RK3066_PLL_RATE(1896000000, 1, 79, 1),
35 	RK3066_PLL_RATE(1872000000, 1, 78, 1),
36 	RK3066_PLL_RATE(1848000000, 1, 77, 1),
37 	RK3066_PLL_RATE(1824000000, 1, 76, 1),
38 	RK3066_PLL_RATE(1800000000, 1, 75, 1),
39 	RK3066_PLL_RATE(1776000000, 1, 74, 1),
40 	RK3066_PLL_RATE(1752000000, 1, 73, 1),
41 	RK3066_PLL_RATE(1728000000, 1, 72, 1),
42 	RK3066_PLL_RATE(1704000000, 1, 71, 1),
43 	RK3066_PLL_RATE(1680000000, 1, 70, 1),
44 	RK3066_PLL_RATE(1656000000, 1, 69, 1),
45 	RK3066_PLL_RATE(1632000000, 1, 68, 1),
46 	RK3066_PLL_RATE(1608000000, 1, 67, 1),
47 	RK3066_PLL_RATE(1560000000, 1, 65, 1),
48 	RK3066_PLL_RATE(1512000000, 1, 63, 1),
49 	RK3066_PLL_RATE(1488000000, 1, 62, 1),
50 	RK3066_PLL_RATE(1464000000, 1, 61, 1),
51 	RK3066_PLL_RATE(1440000000, 1, 60, 1),
52 	RK3066_PLL_RATE(1416000000, 1, 59, 1),
53 	RK3066_PLL_RATE(1392000000, 1, 58, 1),
54 	RK3066_PLL_RATE(1368000000, 1, 57, 1),
55 	RK3066_PLL_RATE(1344000000, 1, 56, 1),
56 	RK3066_PLL_RATE(1320000000, 1, 55, 1),
57 	RK3066_PLL_RATE(1296000000, 1, 54, 1),
58 	RK3066_PLL_RATE(1272000000, 1, 53, 1),
59 	RK3066_PLL_RATE(1248000000, 1, 52, 1),
60 	RK3066_PLL_RATE(1224000000, 1, 51, 1),
61 	RK3066_PLL_RATE(1200000000, 1, 50, 1),
62 	RK3066_PLL_RATE(1176000000, 1, 49, 1),
63 	RK3066_PLL_RATE(1128000000, 1, 47, 1),
64 	RK3066_PLL_RATE(1104000000, 1, 46, 1),
65 	RK3066_PLL_RATE(1008000000, 1, 84, 2),
66 	RK3066_PLL_RATE( 912000000, 1, 76, 2),
67 	RK3066_PLL_RATE( 888000000, 1, 74, 2),
68 	RK3066_PLL_RATE( 816000000, 1, 68, 2),
69 	RK3066_PLL_RATE( 792000000, 1, 66, 2),
70 	RK3066_PLL_RATE( 696000000, 1, 58, 2),
71 	RK3066_PLL_RATE( 672000000, 1, 56, 2),
72 	RK3066_PLL_RATE( 648000000, 1, 54, 2),
73 	RK3066_PLL_RATE( 624000000, 1, 52, 2),
74 	RK3066_PLL_RATE( 600000000, 1, 50, 2),
75 	RK3066_PLL_RATE( 576000000, 1, 48, 2),
76 	RK3066_PLL_RATE( 552000000, 1, 46, 2),
77 	RK3066_PLL_RATE( 528000000, 1, 88, 4),
78 	RK3066_PLL_RATE( 504000000, 1, 84, 4),
79 	RK3066_PLL_RATE( 480000000, 1, 80, 4),
80 	RK3066_PLL_RATE( 456000000, 1, 76, 4),
81 	RK3066_PLL_RATE( 408000000, 1, 68, 4),
82 	RK3066_PLL_RATE( 312000000, 1, 52, 4),
83 	RK3066_PLL_RATE( 252000000, 1, 84, 8),
84 	RK3066_PLL_RATE( 216000000, 1, 72, 8),
85 	RK3066_PLL_RATE( 126000000, 2, 84, 8),
86 	RK3066_PLL_RATE(  48000000, 2, 32, 8),
87 	{ /* sentinel */ },
88 };
89 
90 PNAME(mux_pll_p)		= { "xin24m", "xin32k" };
91 PNAME(mux_armclkb_p)		= { "apllb_core", "gpllb_core" };
92 PNAME(mux_armclkl_p)		= { "aplll_core", "gplll_core" };
93 PNAME(mux_ddrphy_p)		= { "dpll_ddr", "gpll_ddr" };
94 PNAME(mux_cs_src_p)		= { "apllb_cs", "aplll_cs", "gpll_cs"};
95 PNAME(mux_aclk_bus_src_p)	= { "cpll_aclk_bus", "gpll_aclk_bus" };
96 
97 PNAME(mux_pll_src_cpll_gpll_p)		= { "cpll", "gpll" };
98 PNAME(mux_pll_src_cpll_gpll_npll_p)	= { "cpll", "gpll", "npll" };
99 PNAME(mux_pll_src_npll_cpll_gpll_p)	= { "npll", "cpll", "gpll" };
100 PNAME(mux_pll_src_cpll_gpll_usb_p)	= { "cpll", "gpll", "usbphy_480m" };
101 PNAME(mux_pll_src_cpll_gpll_usb_usb_p)	= { "cpll", "gpll", "usbphy_480m",
102 					    "usbphy_480m" };
103 PNAME(mux_pll_src_cpll_gpll_usb_npll_p)	= { "cpll", "gpll", "usbphy_480m",
104 					    "npll" };
105 PNAME(mux_pll_src_cpll_gpll_npll_npll_p) = { "cpll", "gpll", "npll", "npll" };
106 PNAME(mux_pll_src_cpll_gpll_npll_usb_p) = { "cpll", "gpll", "npll",
107 					    "usbphy_480m" };
108 
109 PNAME(mux_i2s_8ch_pre_p)	= { "i2s_8ch_src", "i2s_8ch_frac",
110 				    "ext_i2s", "xin12m" };
111 PNAME(mux_i2s_8ch_clkout_p)	= { "i2s_8ch_pre", "xin12m" };
112 PNAME(mux_i2s_2ch_p)		= { "i2s_2ch_src", "i2s_2ch_frac",
113 				    "dummy", "xin12m" };
114 PNAME(mux_spdif_8ch_p)		= { "spdif_8ch_pre", "spdif_8ch_frac",
115 				    "ext_i2s", "xin12m" };
116 PNAME(mux_edp_24m_p)		= { "xin24m", "dummy" };
117 PNAME(mux_vip_out_p)		= { "vip_src", "xin24m" };
118 PNAME(mux_usbphy480m_p)		= { "usbotg_out", "xin24m" };
119 PNAME(mux_hsic_usbphy480m_p)	= { "usbotg_out", "dummy" };
120 PNAME(mux_hsicphy480m_p)	= { "cpll", "gpll", "usbphy_480m" };
121 PNAME(mux_uart0_p)		= { "uart0_src", "uart0_frac", "xin24m" };
122 PNAME(mux_uart1_p)		= { "uart1_src", "uart1_frac", "xin24m" };
123 PNAME(mux_uart2_p)		= { "uart2_src", "xin24m" };
124 PNAME(mux_uart3_p)		= { "uart3_src", "uart3_frac", "xin24m" };
125 PNAME(mux_uart4_p)		= { "uart4_src", "uart4_frac", "xin24m" };
126 PNAME(mux_mac_p)		= { "mac_pll_src", "ext_gmac" };
127 PNAME(mux_mmc_src_p)		= { "cpll", "gpll", "usbphy_480m", "xin24m" };
128 
129 static struct rockchip_pll_clock rk3368_pll_clks[] __initdata = {
130 	[apllb] = PLL(pll_rk3066, PLL_APLLB, "apllb", mux_pll_p, 0, RK3368_PLL_CON(0),
131 		     RK3368_PLL_CON(3), 8, 1, 0, rk3368_pll_rates),
132 	[aplll] = PLL(pll_rk3066, PLL_APLLL, "aplll", mux_pll_p, 0, RK3368_PLL_CON(4),
133 		     RK3368_PLL_CON(7), 8, 0, 0, rk3368_pll_rates),
134 	[dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK3368_PLL_CON(8),
135 		     RK3368_PLL_CON(11), 8, 2, 0, NULL),
136 	[cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK3368_PLL_CON(12),
137 		     RK3368_PLL_CON(15), 8, 3, ROCKCHIP_PLL_SYNC_RATE, rk3368_pll_rates),
138 	[gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK3368_PLL_CON(16),
139 		     RK3368_PLL_CON(19), 8, 4, ROCKCHIP_PLL_SYNC_RATE, rk3368_pll_rates),
140 	[npll] = PLL(pll_rk3066, PLL_NPLL, "npll",  mux_pll_p, 0, RK3368_PLL_CON(20),
141 		     RK3368_PLL_CON(23), 8, 5, ROCKCHIP_PLL_SYNC_RATE, rk3368_pll_rates),
142 };
143 
144 static struct clk_div_table div_ddrphy_t[] = {
145 	{ .val = 0, .div = 1 },
146 	{ .val = 1, .div = 2 },
147 	{ .val = 3, .div = 4 },
148 	{ /* sentinel */ },
149 };
150 
151 #define MFLAGS CLK_MUX_HIWORD_MASK
152 #define DFLAGS CLK_DIVIDER_HIWORD_MASK
153 #define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE)
154 #define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK
155 
156 static const struct rockchip_cpuclk_reg_data rk3368_cpuclkb_data = {
157 	.core_reg = RK3368_CLKSEL_CON(0),
158 	.div_core_shift = 0,
159 	.div_core_mask = 0x1f,
160 	.mux_core_alt = 1,
161 	.mux_core_main = 0,
162 	.mux_core_shift = 7,
163 	.mux_core_mask = 0x1,
164 };
165 
166 static const struct rockchip_cpuclk_reg_data rk3368_cpuclkl_data = {
167 	.core_reg = RK3368_CLKSEL_CON(2),
168 	.div_core_shift = 0,
169 	.mux_core_alt = 1,
170 	.mux_core_main = 0,
171 	.div_core_mask = 0x1f,
172 	.mux_core_shift = 7,
173 	.mux_core_mask = 0x1,
174 };
175 
176 #define RK3368_DIV_ACLKM_MASK		0x1f
177 #define RK3368_DIV_ACLKM_SHIFT		8
178 #define RK3368_DIV_ATCLK_MASK		0x1f
179 #define RK3368_DIV_ATCLK_SHIFT		0
180 #define RK3368_DIV_PCLK_DBG_MASK	0x1f
181 #define RK3368_DIV_PCLK_DBG_SHIFT	8
182 
183 #define RK3368_CLKSEL0(_offs, _aclkm)					\
184 	{								\
185 		.reg = RK3368_CLKSEL_CON(0 + _offs),			\
186 		.val = HIWORD_UPDATE(_aclkm, RK3368_DIV_ACLKM_MASK,	\
187 				RK3368_DIV_ACLKM_SHIFT),		\
188 	}
189 #define RK3368_CLKSEL1(_offs, _atclk, _pdbg)				\
190 	{								\
191 		.reg = RK3368_CLKSEL_CON(1 + _offs),			\
192 		.val = HIWORD_UPDATE(_atclk, RK3368_DIV_ATCLK_MASK,	\
193 				RK3368_DIV_ATCLK_SHIFT) |		\
194 		       HIWORD_UPDATE(_pdbg, RK3368_DIV_PCLK_DBG_MASK,	\
195 				RK3368_DIV_PCLK_DBG_SHIFT),		\
196 	}
197 
198 /* cluster_b: aclkm in clksel0, rest in clksel1 */
199 #define RK3368_CPUCLKB_RATE(_prate, _aclkm, _atclk, _pdbg)		\
200 	{								\
201 		.prate = _prate,					\
202 		.divs = {						\
203 			RK3368_CLKSEL0(0, _aclkm),			\
204 			RK3368_CLKSEL1(0, _atclk, _pdbg),		\
205 		},							\
206 	}
207 
208 /* cluster_l: aclkm in clksel2, rest in clksel3 */
209 #define RK3368_CPUCLKL_RATE(_prate, _aclkm, _atclk, _pdbg)		\
210 	{								\
211 		.prate = _prate,					\
212 		.divs = {						\
213 			RK3368_CLKSEL0(2, _aclkm),			\
214 			RK3368_CLKSEL1(2, _atclk, _pdbg),		\
215 		},							\
216 	}
217 
218 static struct rockchip_cpuclk_rate_table rk3368_cpuclkb_rates[] __initdata = {
219 	RK3368_CPUCLKB_RATE(1512000000, 1, 5, 5),
220 	RK3368_CPUCLKB_RATE(1488000000, 1, 4, 4),
221 	RK3368_CPUCLKB_RATE(1416000000, 1, 4, 4),
222 	RK3368_CPUCLKB_RATE(1200000000, 1, 3, 3),
223 	RK3368_CPUCLKB_RATE(1008000000, 1, 3, 3),
224 	RK3368_CPUCLKB_RATE( 816000000, 1, 2, 2),
225 	RK3368_CPUCLKB_RATE( 696000000, 1, 2, 2),
226 	RK3368_CPUCLKB_RATE( 600000000, 1, 1, 1),
227 	RK3368_CPUCLKB_RATE( 408000000, 1, 1, 1),
228 	RK3368_CPUCLKB_RATE( 312000000, 1, 1, 1),
229 };
230 
231 static struct rockchip_cpuclk_rate_table rk3368_cpuclkl_rates[] __initdata = {
232 	RK3368_CPUCLKL_RATE(1512000000, 1, 6, 6),
233 	RK3368_CPUCLKL_RATE(1488000000, 1, 5, 5),
234 	RK3368_CPUCLKL_RATE(1416000000, 1, 5, 5),
235 	RK3368_CPUCLKL_RATE(1200000000, 1, 4, 4),
236 	RK3368_CPUCLKL_RATE(1008000000, 1, 4, 4),
237 	RK3368_CPUCLKL_RATE( 816000000, 1, 3, 3),
238 	RK3368_CPUCLKL_RATE( 696000000, 1, 2, 2),
239 	RK3368_CPUCLKL_RATE( 600000000, 1, 2, 2),
240 	RK3368_CPUCLKL_RATE( 408000000, 1, 1, 1),
241 	RK3368_CPUCLKL_RATE( 312000000, 1, 1, 1),
242 };
243 
244 static struct rockchip_clk_branch rk3368_i2s_8ch_fracmux __initdata =
245 	MUX(0, "i2s_8ch_pre", mux_i2s_8ch_pre_p, CLK_SET_RATE_PARENT,
246 	    RK3368_CLKSEL_CON(27), 8, 2, MFLAGS);
247 
248 static struct rockchip_clk_branch rk3368_spdif_8ch_fracmux __initdata =
249 	MUX(0, "spdif_8ch_pre", mux_spdif_8ch_p, CLK_SET_RATE_PARENT,
250 	    RK3368_CLKSEL_CON(31), 8, 2, MFLAGS);
251 
252 static struct rockchip_clk_branch rk3368_i2s_2ch_fracmux __initdata =
253 	MUX(0, "i2s_2ch_pre", mux_i2s_2ch_p, CLK_SET_RATE_PARENT,
254 	    RK3368_CLKSEL_CON(53), 8, 2, MFLAGS);
255 
256 static struct rockchip_clk_branch rk3368_uart0_fracmux __initdata =
257 	MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT,
258 	    RK3368_CLKSEL_CON(33), 8, 2, MFLAGS);
259 
260 static struct rockchip_clk_branch rk3368_uart1_fracmux __initdata =
261 	MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT,
262 	    RK3368_CLKSEL_CON(35), 8, 2, MFLAGS);
263 
264 static struct rockchip_clk_branch rk3368_uart3_fracmux __initdata =
265 	MUX(SCLK_UART3, "sclk_uart3", mux_uart3_p, CLK_SET_RATE_PARENT,
266 	    RK3368_CLKSEL_CON(39), 8, 2, MFLAGS);
267 
268 static struct rockchip_clk_branch rk3368_uart4_fracmux __initdata =
269 	MUX(SCLK_UART4, "sclk_uart4", mux_uart4_p, CLK_SET_RATE_PARENT,
270 	    RK3368_CLKSEL_CON(41), 8, 2, MFLAGS);
271 
272 static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = {
273 	/*
274 	 * Clock-Architecture Diagram 2
275 	 */
276 
277 	FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
278 
279 	MUX(SCLK_USBPHY480M, "usbphy_480m", mux_usbphy480m_p, CLK_SET_RATE_PARENT,
280 			RK3368_CLKSEL_CON(13), 8, 1, MFLAGS),
281 
282 	GATE(0, "apllb_core", "apllb", CLK_IGNORE_UNUSED,
283 			RK3368_CLKGATE_CON(0), 0, GFLAGS),
284 	GATE(0, "gpllb_core", "gpll", CLK_IGNORE_UNUSED,
285 			RK3368_CLKGATE_CON(0), 1, GFLAGS),
286 
287 	GATE(0, "aplll_core", "aplll", CLK_IGNORE_UNUSED,
288 			RK3368_CLKGATE_CON(0), 4, GFLAGS),
289 	GATE(0, "gplll_core", "gpll", CLK_IGNORE_UNUSED,
290 			RK3368_CLKGATE_CON(0), 5, GFLAGS),
291 
292 	DIV(0, "aclkm_core_b", "armclkb", 0,
293 			RK3368_CLKSEL_CON(0), 8, 5, DFLAGS | CLK_DIVIDER_READ_ONLY),
294 	DIV(0, "atclk_core_b", "armclkb", 0,
295 			RK3368_CLKSEL_CON(1), 0, 5, DFLAGS | CLK_DIVIDER_READ_ONLY),
296 	DIV(0, "pclk_dbg_b", "armclkb", 0,
297 			RK3368_CLKSEL_CON(1), 8, 5, DFLAGS | CLK_DIVIDER_READ_ONLY),
298 
299 	DIV(0, "aclkm_core_l", "armclkl", 0,
300 			RK3368_CLKSEL_CON(2), 8, 5, DFLAGS | CLK_DIVIDER_READ_ONLY),
301 	DIV(0, "atclk_core_l", "armclkl", 0,
302 			RK3368_CLKSEL_CON(3), 0, 5, DFLAGS | CLK_DIVIDER_READ_ONLY),
303 	DIV(0, "pclk_dbg_l", "armclkl", 0,
304 			RK3368_CLKSEL_CON(3), 8, 5, DFLAGS | CLK_DIVIDER_READ_ONLY),
305 
306 	GATE(0, "apllb_cs", "apllb", CLK_IGNORE_UNUSED,
307 			RK3368_CLKGATE_CON(0), 9, GFLAGS),
308 	GATE(0, "aplll_cs", "aplll", CLK_IGNORE_UNUSED,
309 			RK3368_CLKGATE_CON(0), 10, GFLAGS),
310 	GATE(0, "gpll_cs", "gpll", CLK_IGNORE_UNUSED,
311 			RK3368_CLKGATE_CON(0), 8, GFLAGS),
312 	COMPOSITE_NOGATE(0, "sclk_cs_pre", mux_cs_src_p, CLK_IGNORE_UNUSED,
313 			RK3368_CLKSEL_CON(4), 6, 2, MFLAGS, 0, 5, DFLAGS),
314 	COMPOSITE_NOMUX(0, "clkin_trace", "sclk_cs_pre", CLK_IGNORE_UNUSED,
315 			RK3368_CLKSEL_CON(4), 8, 5, DFLAGS,
316 			RK3368_CLKGATE_CON(0), 13, GFLAGS),
317 
318 	COMPOSITE(0, "aclk_cci_pre", mux_pll_src_cpll_gpll_usb_npll_p, CLK_IGNORE_UNUSED,
319 			RK3368_CLKSEL_CON(5), 6, 2, MFLAGS, 0, 7, DFLAGS,
320 			RK3368_CLKGATE_CON(0), 12, GFLAGS),
321 	GATE(SCLK_PVTM_CORE, "sclk_pvtm_core", "xin24m", 0, RK3368_CLKGATE_CON(7), 10, GFLAGS),
322 
323 	GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED,
324 			RK3368_CLKGATE_CON(1), 8, GFLAGS),
325 	GATE(0, "gpll_ddr", "gpll", 0,
326 			RK3368_CLKGATE_CON(1), 9, GFLAGS),
327 	COMPOSITE_NOGATE_DIVTBL(0, "ddrphy_src", mux_ddrphy_p, CLK_IGNORE_UNUSED,
328 			RK3368_CLKSEL_CON(13), 4, 1, MFLAGS, 0, 2, DFLAGS, div_ddrphy_t),
329 
330 	FACTOR_GATE(0, "sclk_ddr", "ddrphy_src", CLK_IGNORE_UNUSED, 1, 4,
331 			RK3368_CLKGATE_CON(6), 14, GFLAGS),
332 	GATE(0, "sclk_ddr4x", "ddrphy_src", CLK_IGNORE_UNUSED,
333 			RK3368_CLKGATE_CON(6), 15, GFLAGS),
334 
335 	GATE(0, "gpll_aclk_bus", "gpll", CLK_IGNORE_UNUSED,
336 			RK3368_CLKGATE_CON(1), 10, GFLAGS),
337 	GATE(0, "cpll_aclk_bus", "cpll", CLK_IGNORE_UNUSED,
338 			RK3368_CLKGATE_CON(1), 11, GFLAGS),
339 	COMPOSITE_NOGATE(0, "aclk_bus_src", mux_aclk_bus_src_p, CLK_IGNORE_UNUSED,
340 			RK3368_CLKSEL_CON(8), 7, 1, MFLAGS, 0, 5, DFLAGS),
341 
342 	GATE(ACLK_BUS, "aclk_bus", "aclk_bus_src", CLK_IGNORE_UNUSED,
343 			RK3368_CLKGATE_CON(1), 0, GFLAGS),
344 	COMPOSITE_NOMUX(PCLK_BUS, "pclk_bus", "aclk_bus_src", CLK_IGNORE_UNUSED,
345 			RK3368_CLKSEL_CON(8), 12, 3, DFLAGS,
346 			RK3368_CLKGATE_CON(1), 2, GFLAGS),
347 	COMPOSITE_NOMUX(HCLK_BUS, "hclk_bus", "aclk_bus_src", CLK_IGNORE_UNUSED,
348 			RK3368_CLKSEL_CON(8), 8, 2, DFLAGS,
349 			RK3368_CLKGATE_CON(1), 1, GFLAGS),
350 	COMPOSITE_NOMUX(0, "sclk_crypto", "aclk_bus_src", 0,
351 			RK3368_CLKSEL_CON(10), 14, 2, DFLAGS,
352 			RK3368_CLKGATE_CON(7), 2, GFLAGS),
353 
354 	COMPOSITE(0, "fclk_mcu_src", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED,
355 			RK3368_CLKSEL_CON(12), 7, 1, MFLAGS, 0, 5, DFLAGS,
356 			RK3368_CLKGATE_CON(1), 3, GFLAGS),
357 	/*
358 	 * stclk_mcu is listed as child of fclk_mcu_src in diagram 5,
359 	 * but stclk_mcu has an additional own divider in diagram 2
360 	 */
361 	COMPOSITE_NOMUX(0, "stclk_mcu", "fclk_mcu_src", 0,
362 			RK3368_CLKSEL_CON(12), 8, 3, DFLAGS,
363 			RK3368_CLKGATE_CON(13), 13, GFLAGS),
364 
365 	COMPOSITE(0, "i2s_8ch_src", mux_pll_src_cpll_gpll_p, 0,
366 			RK3368_CLKSEL_CON(27), 12, 1, MFLAGS, 0, 7, DFLAGS,
367 			RK3368_CLKGATE_CON(6), 1, GFLAGS),
368 	COMPOSITE_FRACMUX(0, "i2s_8ch_frac", "i2s_8ch_src", CLK_SET_RATE_PARENT,
369 			  RK3368_CLKSEL_CON(28), 0,
370 			  RK3368_CLKGATE_CON(6), 2, GFLAGS,
371 			  &rk3368_i2s_8ch_fracmux),
372 	COMPOSITE_NODIV(SCLK_I2S_8CH_OUT, "i2s_8ch_clkout", mux_i2s_8ch_clkout_p, 0,
373 			RK3368_CLKSEL_CON(27), 15, 1, MFLAGS,
374 			RK3368_CLKGATE_CON(6), 0, GFLAGS),
375 	GATE(SCLK_I2S_8CH, "sclk_i2s_8ch", "i2s_8ch_pre", CLK_SET_RATE_PARENT,
376 			RK3368_CLKGATE_CON(6), 3, GFLAGS),
377 	COMPOSITE(0, "spdif_8ch_src", mux_pll_src_cpll_gpll_p, 0,
378 			RK3368_CLKSEL_CON(31), 12, 1, MFLAGS, 0, 7, DFLAGS,
379 			RK3368_CLKGATE_CON(6), 4, GFLAGS),
380 	COMPOSITE_FRACMUX(0, "spdif_8ch_frac", "spdif_8ch_src", CLK_SET_RATE_PARENT,
381 			  RK3368_CLKSEL_CON(32), 0,
382 			  RK3368_CLKGATE_CON(6), 5, GFLAGS,
383 			  &rk3368_spdif_8ch_fracmux),
384 	GATE(SCLK_SPDIF_8CH, "sclk_spdif_8ch", "spdif_8ch_pre", CLK_SET_RATE_PARENT,
385 	     RK3368_CLKGATE_CON(6), 6, GFLAGS),
386 	COMPOSITE(0, "i2s_2ch_src", mux_pll_src_cpll_gpll_p, 0,
387 			RK3368_CLKSEL_CON(53), 12, 1, MFLAGS, 0, 7, DFLAGS,
388 			RK3368_CLKGATE_CON(5), 13, GFLAGS),
389 	COMPOSITE_FRACMUX(0, "i2s_2ch_frac", "i2s_2ch_src", CLK_SET_RATE_PARENT,
390 			  RK3368_CLKSEL_CON(54), 0,
391 			  RK3368_CLKGATE_CON(5), 14, GFLAGS,
392 			  &rk3368_i2s_2ch_fracmux),
393 	GATE(SCLK_I2S_2CH, "sclk_i2s_2ch", "i2s_2ch_pre", CLK_SET_RATE_PARENT,
394 	     RK3368_CLKGATE_CON(5), 15, GFLAGS),
395 
396 	COMPOSITE(0, "sclk_tsp", mux_pll_src_cpll_gpll_npll_p, 0,
397 			RK3368_CLKSEL_CON(46), 6, 2, MFLAGS, 0, 5, DFLAGS,
398 			RK3368_CLKGATE_CON(6), 12, GFLAGS),
399 	GATE(0, "sclk_hsadc_tsp", "ext_hsadc_tsp", 0,
400 			RK3368_CLKGATE_CON(13), 7, GFLAGS),
401 
402 	MUX(0, "uart_src", mux_pll_src_cpll_gpll_p, 0,
403 			RK3368_CLKSEL_CON(35), 12, 1, MFLAGS),
404 	COMPOSITE_NOMUX(0, "uart2_src", "uart_src", 0,
405 			RK3368_CLKSEL_CON(37), 0, 7, DFLAGS,
406 			RK3368_CLKGATE_CON(2), 4, GFLAGS),
407 	MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT,
408 			RK3368_CLKSEL_CON(37), 8, 1, MFLAGS),
409 
410 	/*
411 	 * Clock-Architecture Diagram 3
412 	 */
413 
414 	COMPOSITE(0, "aclk_vepu", mux_pll_src_cpll_gpll_npll_usb_p, 0,
415 			RK3368_CLKSEL_CON(15), 6, 2, MFLAGS, 0, 5, DFLAGS,
416 			RK3368_CLKGATE_CON(4), 6, GFLAGS),
417 	COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_npll_usb_p, 0,
418 			RK3368_CLKSEL_CON(15), 14, 2, MFLAGS, 8, 5, DFLAGS,
419 			RK3368_CLKGATE_CON(4), 7, GFLAGS),
420 
421 	/*
422 	 * We use aclk_vdpu by default ---GRF_SOC_CON0[7] setting in system,
423 	 * so we ignore the mux and make clocks nodes as following,
424 	 */
425 	FACTOR_GATE(0, "hclk_video_pre", "aclk_vdpu", 0, 1, 4,
426 		RK3368_CLKGATE_CON(4), 8, GFLAGS),
427 
428 	COMPOSITE(0, "sclk_hevc_cabac_src", mux_pll_src_cpll_gpll_npll_usb_p, 0,
429 			RK3368_CLKSEL_CON(17), 6, 2, MFLAGS, 0, 5, DFLAGS,
430 			RK3368_CLKGATE_CON(5), 1, GFLAGS),
431 	COMPOSITE(0, "sclk_hevc_core_src", mux_pll_src_cpll_gpll_npll_usb_p, 0,
432 			RK3368_CLKSEL_CON(17), 14, 2, MFLAGS, 8, 5, DFLAGS,
433 			RK3368_CLKGATE_CON(5), 2, GFLAGS),
434 
435 	COMPOSITE(0, "aclk_vio0", mux_pll_src_cpll_gpll_usb_p, CLK_IGNORE_UNUSED,
436 			RK3368_CLKSEL_CON(19), 6, 2, MFLAGS, 0, 5, DFLAGS,
437 			RK3368_CLKGATE_CON(4), 0, GFLAGS),
438 	DIV(0, "hclk_vio", "aclk_vio0", 0,
439 			RK3368_CLKSEL_CON(21), 0, 5, DFLAGS),
440 
441 	COMPOSITE(0, "aclk_rga_pre", mux_pll_src_cpll_gpll_usb_p, 0,
442 			RK3368_CLKSEL_CON(18), 14, 2, MFLAGS, 8, 5, DFLAGS,
443 			RK3368_CLKGATE_CON(4), 3, GFLAGS),
444 	COMPOSITE(SCLK_RGA, "sclk_rga", mux_pll_src_cpll_gpll_usb_p, 0,
445 			RK3368_CLKSEL_CON(18), 6, 2, MFLAGS, 0, 5, DFLAGS,
446 			RK3368_CLKGATE_CON(4), 4, GFLAGS),
447 
448 	COMPOSITE(DCLK_VOP, "dclk_vop", mux_pll_src_cpll_gpll_npll_p, 0,
449 			RK3368_CLKSEL_CON(20), 8, 2, MFLAGS, 0, 8, DFLAGS,
450 			RK3368_CLKGATE_CON(4), 1, GFLAGS),
451 
452 	GATE(SCLK_VOP0_PWM, "sclk_vop0_pwm", "xin24m", 0,
453 			RK3368_CLKGATE_CON(4), 2, GFLAGS),
454 
455 	COMPOSITE(SCLK_ISP, "sclk_isp", mux_pll_src_cpll_gpll_npll_npll_p, 0,
456 			RK3368_CLKSEL_CON(22), 6, 2, MFLAGS, 0, 6, DFLAGS,
457 			RK3368_CLKGATE_CON(4), 9, GFLAGS),
458 
459 	GATE(0, "pclk_isp_in", "ext_isp", 0,
460 			RK3368_CLKGATE_CON(17), 2, GFLAGS),
461 	INVERTER(PCLK_ISP, "pclk_isp", "pclk_isp_in",
462 			RK3368_CLKSEL_CON(21), 6, IFLAGS),
463 
464 	GATE(0, "pclk_vip_in", "ext_vip", 0,
465 			RK3368_CLKGATE_CON(16), 13, GFLAGS),
466 	INVERTER(PCLK_VIP, "pclk_vip", "pclk_vip_in",
467 			RK3368_CLKSEL_CON(21), 13, IFLAGS),
468 
469 	GATE(SCLK_HDMI_HDCP, "sclk_hdmi_hdcp", "xin24m", 0,
470 			RK3368_CLKGATE_CON(4), 13, GFLAGS),
471 	GATE(SCLK_HDMI_CEC, "sclk_hdmi_cec", "xin32k", 0,
472 			RK3368_CLKGATE_CON(4), 12, GFLAGS),
473 
474 	COMPOSITE_NODIV(0, "vip_src", mux_pll_src_cpll_gpll_p, 0,
475 			RK3368_CLKSEL_CON(21), 15, 1, MFLAGS,
476 			RK3368_CLKGATE_CON(4), 5, GFLAGS),
477 	COMPOSITE_NOGATE(0, "sclk_vip_out", mux_vip_out_p, 0,
478 			RK3368_CLKSEL_CON(21), 14, 1, MFLAGS, 8, 5, DFLAGS),
479 
480 	COMPOSITE_NODIV(SCLK_EDP_24M, "sclk_edp_24m", mux_edp_24m_p, 0,
481 			RK3368_CLKSEL_CON(23), 8, 1, MFLAGS,
482 			RK3368_CLKGATE_CON(5), 4, GFLAGS),
483 	COMPOSITE(SCLK_EDP, "sclk_edp", mux_pll_src_cpll_gpll_npll_npll_p, 0,
484 			RK3368_CLKSEL_CON(23), 6, 2, MFLAGS, 0, 6, DFLAGS,
485 			RK3368_CLKGATE_CON(5), 3, GFLAGS),
486 
487 	COMPOSITE(SCLK_HDCP, "sclk_hdcp", mux_pll_src_cpll_gpll_npll_npll_p, 0,
488 			RK3368_CLKSEL_CON(55), 6, 2, MFLAGS, 0, 6, DFLAGS,
489 			RK3368_CLKGATE_CON(5), 5, GFLAGS),
490 
491 	DIV(0, "pclk_pd_alive", "gpll", 0,
492 			RK3368_CLKSEL_CON(10), 8, 5, DFLAGS),
493 
494 	/* sclk_timer has a gate in the sgrf */
495 
496 	COMPOSITE_NOMUX(0, "pclk_pd_pmu", "gpll", CLK_IGNORE_UNUSED,
497 			RK3368_CLKSEL_CON(10), 0, 5, DFLAGS,
498 			RK3368_CLKGATE_CON(7), 9, GFLAGS),
499 	GATE(SCLK_PVTM_PMU, "sclk_pvtm_pmu", "xin24m", 0,
500 			RK3368_CLKGATE_CON(7), 3, GFLAGS),
501 	COMPOSITE(0, "sclk_gpu_core_src", mux_pll_src_cpll_gpll_usb_npll_p, 0,
502 			RK3368_CLKSEL_CON(14), 6, 2, MFLAGS, 0, 5, DFLAGS,
503 			RK3368_CLKGATE_CON(4), 11, GFLAGS),
504 	MUX(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
505 			RK3368_CLKSEL_CON(14), 14, 1, MFLAGS),
506 	COMPOSITE_NOMUX(0, "aclk_gpu_mem_pre", "aclk_gpu_src", 0,
507 			RK3368_CLKSEL_CON(14), 8, 5, DFLAGS,
508 			RK3368_CLKGATE_CON(5), 8, GFLAGS),
509 	COMPOSITE_NOMUX(0, "aclk_gpu_cfg_pre", "aclk_gpu_src", 0,
510 			RK3368_CLKSEL_CON(16), 8, 5, DFLAGS,
511 			RK3368_CLKGATE_CON(5), 9, GFLAGS),
512 	GATE(SCLK_PVTM_GPU, "sclk_pvtm_gpu", "xin24m", 0,
513 			RK3368_CLKGATE_CON(7), 11, GFLAGS),
514 
515 	COMPOSITE(0, "aclk_peri_src", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED,
516 			RK3368_CLKSEL_CON(9), 7, 1, MFLAGS, 0, 5, DFLAGS,
517 			RK3368_CLKGATE_CON(3), 0, GFLAGS),
518 	COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_src", 0,
519 			RK3368_CLKSEL_CON(9), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
520 			RK3368_CLKGATE_CON(3), 3, GFLAGS),
521 	COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", CLK_IGNORE_UNUSED,
522 			RK3368_CLKSEL_CON(9), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
523 			RK3368_CLKGATE_CON(3), 2, GFLAGS),
524 	GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", CLK_IGNORE_UNUSED,
525 			RK3368_CLKGATE_CON(3), 1, GFLAGS),
526 
527 	GATE(0, "sclk_mipidsi_24m", "xin24m", 0, RK3368_CLKGATE_CON(4), 14, GFLAGS),
528 
529 	/*
530 	 * Clock-Architecture Diagram 4
531 	 */
532 
533 	COMPOSITE(SCLK_SPI0, "sclk_spi0", mux_pll_src_cpll_gpll_p, 0,
534 			RK3368_CLKSEL_CON(45), 7, 1, MFLAGS, 0, 7, DFLAGS,
535 			RK3368_CLKGATE_CON(3), 7, GFLAGS),
536 	COMPOSITE(SCLK_SPI1, "sclk_spi1", mux_pll_src_cpll_gpll_p, 0,
537 			RK3368_CLKSEL_CON(45), 15, 1, MFLAGS, 8, 7, DFLAGS,
538 			RK3368_CLKGATE_CON(3), 8, GFLAGS),
539 	COMPOSITE(SCLK_SPI2, "sclk_spi2", mux_pll_src_cpll_gpll_p, 0,
540 			RK3368_CLKSEL_CON(46), 15, 1, MFLAGS, 8, 7, DFLAGS,
541 			RK3368_CLKGATE_CON(3), 9, GFLAGS),
542 
543 
544 	COMPOSITE(SCLK_SDMMC, "sclk_sdmmc", mux_mmc_src_p, 0,
545 			RK3368_CLKSEL_CON(50), 8, 2, MFLAGS, 0, 7, DFLAGS,
546 			RK3368_CLKGATE_CON(7), 12, GFLAGS),
547 	COMPOSITE(SCLK_SDIO0, "sclk_sdio0", mux_mmc_src_p, 0,
548 			RK3368_CLKSEL_CON(48), 8, 2, MFLAGS, 0, 7, DFLAGS,
549 			RK3368_CLKGATE_CON(7), 13, GFLAGS),
550 	COMPOSITE(SCLK_EMMC, "sclk_emmc", mux_mmc_src_p, 0,
551 			RK3368_CLKSEL_CON(51), 8, 2, MFLAGS, 0, 7, DFLAGS,
552 			RK3368_CLKGATE_CON(7), 15, GFLAGS),
553 
554 	MMC(SCLK_SDMMC_DRV,    "sdmmc_drv",    "sclk_sdmmc", RK3368_SDMMC_CON0, 1),
555 	MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3368_SDMMC_CON1, 0),
556 
557 	MMC(SCLK_SDIO0_DRV,    "sdio0_drv",    "sclk_sdio0", RK3368_SDIO0_CON0, 1),
558 	MMC(SCLK_SDIO0_SAMPLE, "sdio0_sample", "sclk_sdio0", RK3368_SDIO0_CON1, 0),
559 
560 	MMC(SCLK_EMMC_DRV,     "emmc_drv",     "sclk_emmc",  RK3368_EMMC_CON0,  1),
561 	MMC(SCLK_EMMC_SAMPLE,  "emmc_sample",  "sclk_emmc",  RK3368_EMMC_CON1,  0),
562 
563 	GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin24m", CLK_IGNORE_UNUSED,
564 			RK3368_CLKGATE_CON(8), 1, GFLAGS),
565 
566 	/* pmu_grf_soc_con0[6] allows to select between xin32k and pvtm_pmu */
567 	GATE(SCLK_OTG_ADP, "sclk_otg_adp", "xin32k", CLK_IGNORE_UNUSED,
568 			RK3368_CLKGATE_CON(8), 4, GFLAGS),
569 
570 	/* pmu_grf_soc_con0[6] allows to select between xin32k and pvtm_pmu */
571 	COMPOSITE_NOMUX(SCLK_TSADC, "sclk_tsadc", "xin32k", 0,
572 			RK3368_CLKSEL_CON(25), 0, 6, DFLAGS,
573 			RK3368_CLKGATE_CON(3), 5, GFLAGS),
574 
575 	COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
576 			RK3368_CLKSEL_CON(25), 8, 8, DFLAGS,
577 			RK3368_CLKGATE_CON(3), 6, GFLAGS),
578 
579 	COMPOSITE(SCLK_NANDC0, "sclk_nandc0", mux_pll_src_cpll_gpll_p, 0,
580 			RK3368_CLKSEL_CON(47), 7, 1, MFLAGS, 0, 5, DFLAGS,
581 			RK3368_CLKGATE_CON(7), 8, GFLAGS),
582 
583 	COMPOSITE(SCLK_SFC, "sclk_sfc", mux_pll_src_cpll_gpll_p, 0,
584 			RK3368_CLKSEL_CON(52), 7, 1, MFLAGS, 0, 5, DFLAGS,
585 			RK3368_CLKGATE_CON(6), 7, GFLAGS),
586 
587 	COMPOSITE(0, "uart0_src", mux_pll_src_cpll_gpll_usb_usb_p, 0,
588 			RK3368_CLKSEL_CON(33), 12, 2, MFLAGS, 0, 7, DFLAGS,
589 			RK3368_CLKGATE_CON(2), 0, GFLAGS),
590 	COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT,
591 			  RK3368_CLKSEL_CON(34), 0,
592 			  RK3368_CLKGATE_CON(2), 1, GFLAGS,
593 			  &rk3368_uart0_fracmux),
594 
595 	COMPOSITE_NOMUX(0, "uart1_src", "uart_src", 0,
596 			RK3368_CLKSEL_CON(35), 0, 7, DFLAGS,
597 			RK3368_CLKGATE_CON(2), 2, GFLAGS),
598 	COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT,
599 			  RK3368_CLKSEL_CON(36), 0,
600 			  RK3368_CLKGATE_CON(2), 3, GFLAGS,
601 			  &rk3368_uart1_fracmux),
602 
603 	COMPOSITE_NOMUX(0, "uart3_src", "uart_src", 0,
604 			RK3368_CLKSEL_CON(39), 0, 7, DFLAGS,
605 			RK3368_CLKGATE_CON(2), 6, GFLAGS),
606 	COMPOSITE_FRACMUX(0, "uart3_frac", "uart3_src", CLK_SET_RATE_PARENT,
607 			  RK3368_CLKSEL_CON(40), 0,
608 			  RK3368_CLKGATE_CON(2), 7, GFLAGS,
609 			  &rk3368_uart3_fracmux),
610 
611 	COMPOSITE_NOMUX(0, "uart4_src", "uart_src", 0,
612 			RK3368_CLKSEL_CON(41), 0, 7, DFLAGS,
613 			RK3368_CLKGATE_CON(2), 8, GFLAGS),
614 	COMPOSITE_FRACMUX(0, "uart4_frac", "uart4_src", CLK_SET_RATE_PARENT,
615 			  RK3368_CLKSEL_CON(42), 0,
616 			  RK3368_CLKGATE_CON(2), 9, GFLAGS,
617 			  &rk3368_uart4_fracmux),
618 
619 	COMPOSITE(0, "mac_pll_src", mux_pll_src_npll_cpll_gpll_p, 0,
620 			RK3368_CLKSEL_CON(43), 6, 2, MFLAGS, 0, 5, DFLAGS,
621 			RK3368_CLKGATE_CON(3), 4, GFLAGS),
622 	MUX(SCLK_MAC, "mac_clk", mux_mac_p, CLK_SET_RATE_PARENT,
623 			RK3368_CLKSEL_CON(43), 8, 1, MFLAGS),
624 	GATE(SCLK_MACREF_OUT, "sclk_macref_out", "mac_clk", 0,
625 			RK3368_CLKGATE_CON(7), 7, GFLAGS),
626 	GATE(SCLK_MACREF, "sclk_macref", "mac_clk", 0,
627 			RK3368_CLKGATE_CON(7), 6, GFLAGS),
628 	GATE(SCLK_MAC_RX, "sclk_mac_rx", "mac_clk", 0,
629 			RK3368_CLKGATE_CON(7), 4, GFLAGS),
630 	GATE(SCLK_MAC_TX, "sclk_mac_tx", "mac_clk", 0,
631 			RK3368_CLKGATE_CON(7), 5, GFLAGS),
632 
633 	GATE(0, "jtag", "ext_jtag", CLK_IGNORE_UNUSED,
634 			RK3368_CLKGATE_CON(7), 0, GFLAGS),
635 
636 	COMPOSITE_NODIV(0, "hsic_usbphy_480m", mux_hsic_usbphy480m_p, 0,
637 			RK3368_CLKSEL_CON(26), 8, 2, MFLAGS,
638 			RK3368_CLKGATE_CON(8), 0, GFLAGS),
639 	COMPOSITE_NODIV(SCLK_HSICPHY480M, "sclk_hsicphy480m", mux_hsicphy480m_p, 0,
640 			RK3368_CLKSEL_CON(26), 12, 2, MFLAGS,
641 			RK3368_CLKGATE_CON(8), 7, GFLAGS),
642 	GATE(SCLK_HSICPHY12M, "sclk_hsicphy12m", "xin12m", 0,
643 			RK3368_CLKGATE_CON(8), 6, GFLAGS),
644 
645 	/*
646 	 * Clock-Architecture Diagram 5
647 	 */
648 
649 	/* aclk_cci_pre gates */
650 	GATE(0, "aclk_core_niu_cpup", "aclk_cci_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 4, GFLAGS),
651 	GATE(0, "aclk_core_niu_cci", "aclk_cci_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 3, GFLAGS),
652 	GATE(0, "aclk_cci400", "aclk_cci_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 2, GFLAGS),
653 	GATE(0, "aclk_adb400m_pd_core_b", "aclk_cci_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 1, GFLAGS),
654 	GATE(0, "aclk_adb400m_pd_core_l", "aclk_cci_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 0, GFLAGS),
655 
656 	/* aclkm_core_* gates */
657 	GATE(0, "aclk_adb400s_pd_core_b", "aclkm_core_b", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(10), 0, GFLAGS),
658 	GATE(0, "aclk_adb400s_pd_core_l", "aclkm_core_l", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(9), 0, GFLAGS),
659 
660 	/* armclk* gates */
661 	GATE(0, "sclk_dbg_pd_core_b", "armclkb", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(10), 1, GFLAGS),
662 	GATE(0, "sclk_dbg_pd_core_l", "armclkl", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(9), 1, GFLAGS),
663 
664 	/* sclk_cs_pre gates */
665 	GATE(0, "sclk_dbg", "sclk_cs_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 7, GFLAGS),
666 	GATE(0, "pclk_core_niu_sdbg", "sclk_cs_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 6, GFLAGS),
667 	GATE(0, "hclk_core_niu_dbg", "sclk_cs_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(11), 5, GFLAGS),
668 
669 	/* aclk_bus gates */
670 	GATE(0, "aclk_strc_sys", "aclk_bus", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(12), 12, GFLAGS),
671 	GATE(ACLK_DMAC_BUS, "aclk_dmac_bus", "aclk_bus", 0, RK3368_CLKGATE_CON(12), 11, GFLAGS),
672 	GATE(0, "sclk_intmem1", "aclk_bus", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(12), 6, GFLAGS),
673 	GATE(0, "sclk_intmem0", "aclk_bus", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(12), 5, GFLAGS),
674 	GATE(0, "aclk_intmem", "aclk_bus", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(12), 4, GFLAGS),
675 	GATE(0, "aclk_gic400", "aclk_bus", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(13), 9, GFLAGS),
676 
677 	/* sclk_ddr gates */
678 	GATE(0, "nclk_ddrupctl", "sclk_ddr", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(13), 2, GFLAGS),
679 
680 	/* clk_hsadc_tsp is part of diagram2 */
681 
682 	/* fclk_mcu_src gates */
683 	GATE(0, "hclk_noc_mcu", "fclk_mcu_src", 0, RK3368_CLKGATE_CON(13), 14, GFLAGS),
684 	GATE(0, "fclk_mcu", "fclk_mcu_src", 0, RK3368_CLKGATE_CON(13), 12, GFLAGS),
685 	GATE(0, "hclk_mcu", "fclk_mcu_src", 0, RK3368_CLKGATE_CON(13), 11, GFLAGS),
686 
687 	/* hclk_cpu gates */
688 	GATE(HCLK_SPDIF, "hclk_spdif", "hclk_bus", 0, RK3368_CLKGATE_CON(12), 10, GFLAGS),
689 	GATE(HCLK_ROM, "hclk_rom", "hclk_bus", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(12), 9, GFLAGS),
690 	GATE(HCLK_I2S_2CH, "hclk_i2s_2ch", "hclk_bus", 0, RK3368_CLKGATE_CON(12), 8, GFLAGS),
691 	GATE(HCLK_I2S_8CH, "hclk_i2s_8ch", "hclk_bus", 0, RK3368_CLKGATE_CON(12), 7, GFLAGS),
692 	GATE(HCLK_TSP, "hclk_tsp", "hclk_bus", 0, RK3368_CLKGATE_CON(13), 10, GFLAGS),
693 	GATE(HCLK_CRYPTO, "hclk_crypto", "hclk_bus", 0, RK3368_CLKGATE_CON(13), 4, GFLAGS),
694 	GATE(MCLK_CRYPTO, "mclk_crypto", "hclk_bus", 0, RK3368_CLKGATE_CON(13), 3, GFLAGS),
695 
696 	/* pclk_cpu gates */
697 	GATE(PCLK_DDRPHY, "pclk_ddrphy", "pclk_bus", 0, RK3368_CLKGATE_CON(12), 14, GFLAGS),
698 	GATE(PCLK_DDRUPCTL, "pclk_ddrupctl", "pclk_bus", 0, RK3368_CLKGATE_CON(12), 13, GFLAGS),
699 	GATE(PCLK_I2C1, "pclk_i2c1", "pclk_bus", 0, RK3368_CLKGATE_CON(12), 3, GFLAGS),
700 	GATE(PCLK_I2C0, "pclk_i2c0", "pclk_bus", 0, RK3368_CLKGATE_CON(12), 2, GFLAGS),
701 	GATE(PCLK_MAILBOX, "pclk_mailbox", "pclk_bus", 0, RK3368_CLKGATE_CON(12), 1, GFLAGS),
702 	GATE(PCLK_PWM0, "pclk_pwm0", "pclk_bus", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(12), 0, GFLAGS),
703 	GATE(PCLK_SIM, "pclk_sim", "pclk_bus", 0, RK3368_CLKGATE_CON(13), 8, GFLAGS),
704 	GATE(PCLK_PWM1, "pclk_pwm1", "pclk_bus", 0, RK3368_CLKGATE_CON(13), 6, GFLAGS),
705 	GATE(PCLK_UART2, "pclk_uart2", "pclk_bus", 0, RK3368_CLKGATE_CON(13), 5, GFLAGS),
706 	GATE(PCLK_EFUSE256, "pclk_efuse_256", "pclk_bus", 0, RK3368_CLKGATE_CON(13), 1, GFLAGS),
707 	GATE(0, "pclk_efuse_1024", "pclk_bus", 0, RK3368_CLKGATE_CON(13), 0, GFLAGS),
708 
709 	/*
710 	 * video clk gates
711 	 * aclk_video(_pre) can actually select between parents of aclk_vdpu
712 	 * and aclk_vepu by setting bit GRF_SOC_CON0[7].
713 	 */
714 	GATE(ACLK_VIDEO, "aclk_video", "aclk_vdpu", 0, RK3368_CLKGATE_CON(15), 0, GFLAGS),
715 	GATE(SCLK_HEVC_CABAC, "sclk_hevc_cabac", "sclk_hevc_cabac_src", 0, RK3368_CLKGATE_CON(15), 3, GFLAGS),
716 	GATE(SCLK_HEVC_CORE, "sclk_hevc_core", "sclk_hevc_core_src", 0, RK3368_CLKGATE_CON(15), 2, GFLAGS),
717 	GATE(HCLK_VIDEO, "hclk_video", "hclk_video_pre", 0, RK3368_CLKGATE_CON(15), 1, GFLAGS),
718 
719 	/* aclk_rga_pre gates */
720 	GATE(ACLK_VIO1_NOC, "aclk_vio1_noc", "aclk_rga_pre", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(16), 10, GFLAGS),
721 	GATE(ACLK_RGA, "aclk_rga", "aclk_rga_pre", 0, RK3368_CLKGATE_CON(16), 0, GFLAGS),
722 	GATE(ACLK_HDCP, "aclk_hdcp", "aclk_rga_pre", 0, RK3368_CLKGATE_CON(17), 10, GFLAGS),
723 
724 	/* aclk_vio0 gates */
725 	GATE(ACLK_VIP, "aclk_vip", "aclk_vio0", 0, RK3368_CLKGATE_CON(16), 11, GFLAGS),
726 	GATE(ACLK_VIO0_NOC, "aclk_vio0_noc", "aclk_vio0", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(16), 9, GFLAGS),
727 	GATE(ACLK_VOP, "aclk_vop", "aclk_vio0", 0, RK3368_CLKGATE_CON(16), 5, GFLAGS),
728 	GATE(ACLK_VOP_IEP, "aclk_vop_iep", "aclk_vio0", 0, RK3368_CLKGATE_CON(16), 4, GFLAGS),
729 	GATE(ACLK_IEP, "aclk_iep", "aclk_vio0", 0, RK3368_CLKGATE_CON(16), 2, GFLAGS),
730 
731 	/* sclk_isp gates */
732 	GATE(HCLK_ISP, "hclk_isp", "sclk_isp", 0, RK3368_CLKGATE_CON(16), 14, GFLAGS),
733 	GATE(ACLK_ISP, "aclk_isp", "sclk_isp", 0, RK3368_CLKGATE_CON(17), 0, GFLAGS),
734 
735 	/* hclk_vio gates */
736 	GATE(HCLK_VIP, "hclk_vip", "hclk_vio", 0, RK3368_CLKGATE_CON(16), 12, GFLAGS),
737 	GATE(HCLK_VIO_NOC, "hclk_vio_noc", "hclk_vio", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(16), 8, GFLAGS),
738 	GATE(HCLK_VIO_AHB_ARBI, "hclk_vio_ahb_arbi", "hclk_vio", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(16), 7, GFLAGS),
739 	GATE(HCLK_VOP, "hclk_vop", "hclk_vio", 0, RK3368_CLKGATE_CON(16), 6, GFLAGS),
740 	GATE(HCLK_IEP, "hclk_iep", "hclk_vio", 0, RK3368_CLKGATE_CON(16), 3, GFLAGS),
741 	GATE(HCLK_RGA, "hclk_rga", "hclk_vio", 0, RK3368_CLKGATE_CON(16), 1, GFLAGS),
742 	GATE(HCLK_VIO_HDCPMMU, "hclk_hdcpmmu", "hclk_vio", 0, RK3368_CLKGATE_CON(17), 12, GFLAGS),
743 	GATE(HCLK_VIO_H2P, "hclk_vio_h2p", "hclk_vio", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(17), 7, GFLAGS),
744 
745 	/*
746 	 * pclk_vio gates
747 	 * pclk_vio comes from the exactly same source as hclk_vio
748 	 */
749 	GATE(PCLK_HDCP, "pclk_hdcp", "hclk_vio", 0, RK3368_CLKGATE_CON(17), 11, GFLAGS),
750 	GATE(PCLK_EDP_CTRL, "pclk_edp_ctrl", "hclk_vio", 0, RK3368_CLKGATE_CON(17), 9, GFLAGS),
751 	GATE(PCLK_VIO_H2P, "pclk_vio_h2p", "hclk_vio", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(17), 8, GFLAGS),
752 	GATE(PCLK_HDMI_CTRL, "pclk_hdmi_ctrl", "hclk_vio", 0, RK3368_CLKGATE_CON(17), 6, GFLAGS),
753 	GATE(PCLK_MIPI_CSI, "pclk_mipi_csi", "hclk_vio", 0, RK3368_CLKGATE_CON(17), 4, GFLAGS),
754 	GATE(PCLK_MIPI_DSI0, "pclk_mipi_dsi0", "hclk_vio", 0, RK3368_CLKGATE_CON(17), 3, GFLAGS),
755 
756 	/* ext_vip gates in diagram3 */
757 
758 	/* gpu gates */
759 	GATE(SCLK_GPU_CORE, "sclk_gpu_core", "sclk_gpu_core_src", 0, RK3368_CLKGATE_CON(18), 2, GFLAGS),
760 	GATE(ACLK_GPU_MEM, "aclk_gpu_mem", "aclk_gpu_mem_pre", 0, RK3368_CLKGATE_CON(18), 1, GFLAGS),
761 	GATE(ACLK_GPU_CFG, "aclk_gpu_cfg", "aclk_gpu_cfg_pre", 0, RK3368_CLKGATE_CON(18), 0, GFLAGS),
762 
763 	/* aclk_peri gates */
764 	GATE(ACLK_DMAC_PERI, "aclk_dmac_peri", "aclk_peri", 0, RK3368_CLKGATE_CON(19), 3, GFLAGS),
765 	GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(19), 2, GFLAGS),
766 	GATE(HCLK_SFC, "hclk_sfc", "aclk_peri", 0, RK3368_CLKGATE_CON(20), 15, GFLAGS),
767 	GATE(ACLK_GMAC, "aclk_gmac", "aclk_peri", 0, RK3368_CLKGATE_CON(20), 13, GFLAGS),
768 	GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(20), 8, GFLAGS),
769 	GATE(ACLK_PERI_MMU, "aclk_peri_mmu", "aclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(21), 4, GFLAGS),
770 
771 	/* hclk_peri gates */
772 	GATE(0, "hclk_peri_axi_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(19), 0, GFLAGS),
773 	GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK3368_CLKGATE_CON(20), 11, GFLAGS),
774 	GATE(0, "hclk_mmc_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(20), 10, GFLAGS),
775 	GATE(0, "hclk_emem_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(20), 9, GFLAGS),
776 	GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(20), 7, GFLAGS),
777 	GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(20), 6, GFLAGS),
778 	GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK3368_CLKGATE_CON(20), 5, GFLAGS),
779 	GATE(HCLK_HOST1, "hclk_host1", "hclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(20), 4, GFLAGS),
780 	GATE(HCLK_HOST0, "hclk_host0", "hclk_peri", 0, RK3368_CLKGATE_CON(20), 3, GFLAGS),
781 	GATE(0, "pmu_hclk_otg0", "hclk_peri", 0, RK3368_CLKGATE_CON(20), 2, GFLAGS),
782 	GATE(HCLK_OTG0, "hclk_otg0", "hclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(20), 1, GFLAGS),
783 	GATE(HCLK_HSADC, "hclk_hsadc", "hclk_peri", 0, RK3368_CLKGATE_CON(21), 3, GFLAGS),
784 	GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK3368_CLKGATE_CON(21), 2, GFLAGS),
785 	GATE(HCLK_SDIO0, "hclk_sdio0", "hclk_peri", 0, RK3368_CLKGATE_CON(21), 1, GFLAGS),
786 	GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK3368_CLKGATE_CON(21), 0, GFLAGS),
787 
788 	/* pclk_peri gates */
789 	GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 15, GFLAGS),
790 	GATE(PCLK_I2C5, "pclk_i2c5", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 14, GFLAGS),
791 	GATE(PCLK_I2C4, "pclk_i2c4", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 13, GFLAGS),
792 	GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 12, GFLAGS),
793 	GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 11, GFLAGS),
794 	GATE(PCLK_UART4, "pclk_uart4", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 10, GFLAGS),
795 	GATE(PCLK_UART3, "pclk_uart3", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 9, GFLAGS),
796 	GATE(PCLK_UART1, "pclk_uart1", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 8, GFLAGS),
797 	GATE(PCLK_UART0, "pclk_uart0", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 7, GFLAGS),
798 	GATE(PCLK_SPI2, "pclk_spi2", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 6, GFLAGS),
799 	GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 5, GFLAGS),
800 	GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK3368_CLKGATE_CON(19), 4, GFLAGS),
801 	GATE(0, "pclk_peri_axi_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(19), 1, GFLAGS),
802 	GATE(PCLK_GMAC, "pclk_gmac", "pclk_peri", 0, RK3368_CLKGATE_CON(20), 14, GFLAGS),
803 	GATE(PCLK_TSADC, "pclk_tsadc", "pclk_peri", 0, RK3368_CLKGATE_CON(20), 0, GFLAGS),
804 
805 	/* pclk_pd_alive gates */
806 	GATE(PCLK_TIMER1, "pclk_timer1", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(22), 13, GFLAGS),
807 	GATE(PCLK_TIMER0, "pclk_timer0", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(22), 12, GFLAGS),
808 	GATE(0, "pclk_alive_niu", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(22), 9, GFLAGS),
809 	GATE(PCLK_GRF, "pclk_grf", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(22), 8, GFLAGS),
810 	GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(22), 3, GFLAGS),
811 	GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(22), 2, GFLAGS),
812 	GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(22), 1, GFLAGS),
813 
814 	/*
815 	 * pclk_vio gates
816 	 * pclk_vio comes from the exactly same source as hclk_vio
817 	 */
818 	GATE(0, "pclk_dphyrx", "hclk_vio", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(14), 8, GFLAGS),
819 	GATE(0, "pclk_dphytx", "hclk_vio", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(14), 8, GFLAGS),
820 
821 	/* pclk_pd_pmu gates */
822 	GATE(PCLK_PMUGRF, "pclk_pmugrf", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(23), 5, GFLAGS),
823 	GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_pd_pmu", 0, RK3368_CLKGATE_CON(23), 4, GFLAGS),
824 	GATE(PCLK_SGRF, "pclk_sgrf", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(23), 3, GFLAGS),
825 	GATE(0, "pclk_pmu_noc", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(23), 2, GFLAGS),
826 	GATE(0, "pclk_intmem1", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(23), 1, GFLAGS),
827 	GATE(PCLK_PMU, "pclk_pmu", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(23), 0, GFLAGS),
828 
829 	/* timer gates */
830 	GATE(SCLK_TIMER15, "sclk_timer15", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 11, GFLAGS),
831 	GATE(SCLK_TIMER14, "sclk_timer14", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 10, GFLAGS),
832 	GATE(SCLK_TIMER13, "sclk_timer13", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 9, GFLAGS),
833 	GATE(SCLK_TIMER12, "sclk_timer12", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 8, GFLAGS),
834 	GATE(SCLK_TIMER11, "sclk_timer11", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 7, GFLAGS),
835 	GATE(SCLK_TIMER10, "sclk_timer10", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 6, GFLAGS),
836 	GATE(SCLK_TIMER05, "sclk_timer05", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 5, GFLAGS),
837 	GATE(SCLK_TIMER04, "sclk_timer04", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 4, GFLAGS),
838 	GATE(SCLK_TIMER03, "sclk_timer03", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 3, GFLAGS),
839 	GATE(SCLK_TIMER02, "sclk_timer02", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 2, GFLAGS),
840 	GATE(SCLK_TIMER01, "sclk_timer01", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 1, GFLAGS),
841 	GATE(SCLK_TIMER00, "sclk_timer00", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 0, GFLAGS),
842 };
843 
844 static const char *const rk3368_critical_clocks[] __initconst = {
845 	"aclk_bus",
846 	"aclk_peri",
847 	/*
848 	 * pwm1 supplies vdd_logic on a lot of boards, is currently unhandled
849 	 * but needs to stay enabled there (including its parents) at all times.
850 	 */
851 	"pclk_pwm1",
852 	"pclk_pd_pmu",
853 	"pclk_pd_alive",
854 	"pclk_peri",
855 	"hclk_peri",
856 	"pclk_ddrphy",
857 	"pclk_ddrupctl",
858 	"pmu_hclk_otg0",
859 };
860 
861 static void __init rk3368_clk_init(struct device_node *np)
862 {
863 	struct rockchip_clk_provider *ctx;
864 	void __iomem *reg_base;
865 	struct clk *clk;
866 
867 	reg_base = of_iomap(np, 0);
868 	if (!reg_base) {
869 		pr_err("%s: could not map cru region\n", __func__);
870 		return;
871 	}
872 
873 	ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
874 	if (IS_ERR(ctx)) {
875 		pr_err("%s: rockchip clk init failed\n", __func__);
876 		iounmap(reg_base);
877 		return;
878 	}
879 
880 	/* Watchdog pclk is controlled by sgrf_soc_con3[7]. */
881 	clk = clk_register_fixed_factor(NULL, "pclk_wdt", "pclk_pd_alive", 0, 1, 1);
882 	if (IS_ERR(clk))
883 		pr_warn("%s: could not register clock pclk_wdt: %ld\n",
884 			__func__, PTR_ERR(clk));
885 	else
886 		rockchip_clk_add_lookup(ctx, clk, PCLK_WDT);
887 
888 	rockchip_clk_register_plls(ctx, rk3368_pll_clks,
889 				   ARRAY_SIZE(rk3368_pll_clks),
890 				   RK3368_GRF_SOC_STATUS0);
891 	rockchip_clk_register_branches(ctx, rk3368_clk_branches,
892 				  ARRAY_SIZE(rk3368_clk_branches));
893 	rockchip_clk_protect_critical(rk3368_critical_clocks,
894 				      ARRAY_SIZE(rk3368_critical_clocks));
895 
896 	rockchip_clk_register_armclk(ctx, ARMCLKB, "armclkb",
897 			mux_armclkb_p, ARRAY_SIZE(mux_armclkb_p),
898 			&rk3368_cpuclkb_data, rk3368_cpuclkb_rates,
899 			ARRAY_SIZE(rk3368_cpuclkb_rates));
900 
901 	rockchip_clk_register_armclk(ctx, ARMCLKL, "armclkl",
902 			mux_armclkl_p, ARRAY_SIZE(mux_armclkl_p),
903 			&rk3368_cpuclkl_data, rk3368_cpuclkl_rates,
904 			ARRAY_SIZE(rk3368_cpuclkl_rates));
905 
906 	rockchip_register_softrst(np, 15, reg_base + RK3368_SOFTRST_CON(0),
907 				  ROCKCHIP_SOFTRST_HIWORD_MASK);
908 
909 	rockchip_register_restart_notifier(ctx, RK3368_GLB_SRST_FST, NULL);
910 
911 	rockchip_clk_of_add_provider(np, ctx);
912 }
913 CLK_OF_DECLARE(rk3368_cru, "rockchip,rk3368-cru", rk3368_clk_init);
914