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.h>
17#include <linux/clk-provider.h>
18#include <linux/of.h>
19#include <linux/of_address.h>
20#include <dt-bindings/clock/rk3188-cru-common.h>
21#include "clk.h"
22
23#define RK3066_GRF_SOC_STATUS	0x15c
24#define RK3188_GRF_SOC_STATUS	0xac
25
26enum rk3188_plls {
27	apll, cpll, dpll, gpll,
28};
29
30static struct rockchip_pll_rate_table rk3188_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( 594000000, 2, 198, 4),
88	RK3066_PLL_RATE( 552000000, 1, 46, 2),
89	RK3066_PLL_RATE( 504000000, 1, 84, 4),
90	RK3066_PLL_RATE( 456000000, 1, 76, 4),
91	RK3066_PLL_RATE( 408000000, 1, 68, 4),
92	RK3066_PLL_RATE( 384000000, 2, 128, 4),
93	RK3066_PLL_RATE( 360000000, 1, 60, 4),
94	RK3066_PLL_RATE( 312000000, 1, 52, 4),
95	RK3066_PLL_RATE( 300000000, 1, 50, 4),
96	RK3066_PLL_RATE( 297000000, 2, 198, 8),
97	RK3066_PLL_RATE( 252000000, 1, 84, 8),
98	RK3066_PLL_RATE( 216000000, 1, 72, 8),
99	RK3066_PLL_RATE( 148500000, 2, 99, 8),
100	RK3066_PLL_RATE( 126000000, 1, 84, 16),
101	RK3066_PLL_RATE(  48000000, 1, 64, 32),
102	{ /* sentinel */ },
103};
104
105#define RK3066_DIV_CORE_PERIPH_MASK	0x3
106#define RK3066_DIV_CORE_PERIPH_SHIFT	6
107#define RK3066_DIV_ACLK_CORE_MASK	0x7
108#define RK3066_DIV_ACLK_CORE_SHIFT	0
109#define RK3066_DIV_ACLK_HCLK_MASK	0x3
110#define RK3066_DIV_ACLK_HCLK_SHIFT	8
111#define RK3066_DIV_ACLK_PCLK_MASK	0x3
112#define RK3066_DIV_ACLK_PCLK_SHIFT	12
113#define RK3066_DIV_AHB2APB_MASK		0x3
114#define RK3066_DIV_AHB2APB_SHIFT	14
115
116#define RK3066_CLKSEL0(_core_peri)					\
117	{								\
118		.reg = RK2928_CLKSEL_CON(0),				\
119		.val = HIWORD_UPDATE(_core_peri, RK3066_DIV_CORE_PERIPH_MASK, \
120				RK3066_DIV_CORE_PERIPH_SHIFT)		\
121	}
122#define RK3066_CLKSEL1(_aclk_core, _aclk_hclk, _aclk_pclk, _ahb2apb)	\
123	{								\
124		.reg = RK2928_CLKSEL_CON(1),				\
125		.val = HIWORD_UPDATE(_aclk_core, RK3066_DIV_ACLK_CORE_MASK, \
126				RK3066_DIV_ACLK_CORE_SHIFT) |		\
127		       HIWORD_UPDATE(_aclk_hclk, RK3066_DIV_ACLK_HCLK_MASK, \
128				RK3066_DIV_ACLK_HCLK_SHIFT) |		\
129		       HIWORD_UPDATE(_aclk_pclk, RK3066_DIV_ACLK_PCLK_MASK, \
130				RK3066_DIV_ACLK_PCLK_SHIFT) |		\
131		       HIWORD_UPDATE(_ahb2apb, RK3066_DIV_AHB2APB_MASK,	\
132				RK3066_DIV_AHB2APB_SHIFT),		\
133	}
134
135#define RK3066_CPUCLK_RATE(_prate, _core_peri, _acore, _ahclk, _apclk, _h2p) \
136	{								\
137		.prate = _prate,					\
138		.divs = {						\
139			RK3066_CLKSEL0(_core_peri),			\
140			RK3066_CLKSEL1(_acore, _ahclk, _apclk, _h2p),	\
141		},							\
142	}
143
144static struct rockchip_cpuclk_rate_table rk3066_cpuclk_rates[] __initdata = {
145	RK3066_CPUCLK_RATE(1416000000, 2, 3, 1, 2, 1),
146	RK3066_CPUCLK_RATE(1200000000, 2, 3, 1, 2, 1),
147	RK3066_CPUCLK_RATE(1008000000, 2, 2, 1, 2, 1),
148	RK3066_CPUCLK_RATE( 816000000, 2, 2, 1, 2, 1),
149	RK3066_CPUCLK_RATE( 600000000, 1, 2, 1, 2, 1),
150	RK3066_CPUCLK_RATE( 504000000, 1, 1, 1, 2, 1),
151	RK3066_CPUCLK_RATE( 312000000, 0, 1, 1, 1, 0),
152};
153
154static const struct rockchip_cpuclk_reg_data rk3066_cpuclk_data = {
155	.core_reg = RK2928_CLKSEL_CON(0),
156	.div_core_shift = 0,
157	.div_core_mask = 0x1f,
158	.mux_core_shift = 8,
159};
160
161#define RK3188_DIV_ACLK_CORE_MASK	0x7
162#define RK3188_DIV_ACLK_CORE_SHIFT	3
163
164#define RK3188_CLKSEL1(_aclk_core)		\
165	{					\
166		.reg = RK2928_CLKSEL_CON(1),	\
167		.val = HIWORD_UPDATE(_aclk_core, RK3188_DIV_ACLK_CORE_MASK,\
168				 RK3188_DIV_ACLK_CORE_SHIFT) \
169	}
170#define RK3188_CPUCLK_RATE(_prate, _core_peri, _aclk_core)	\
171	{							\
172		.prate = _prate,				\
173		.divs = {					\
174			RK3066_CLKSEL0(_core_peri),		\
175			RK3188_CLKSEL1(_aclk_core),		\
176		},						\
177	}
178
179static struct rockchip_cpuclk_rate_table rk3188_cpuclk_rates[] __initdata = {
180	RK3188_CPUCLK_RATE(1608000000, 2, 3),
181	RK3188_CPUCLK_RATE(1416000000, 2, 3),
182	RK3188_CPUCLK_RATE(1200000000, 2, 3),
183	RK3188_CPUCLK_RATE(1008000000, 2, 3),
184	RK3188_CPUCLK_RATE( 816000000, 2, 3),
185	RK3188_CPUCLK_RATE( 600000000, 1, 3),
186	RK3188_CPUCLK_RATE( 504000000, 1, 3),
187	RK3188_CPUCLK_RATE( 312000000, 0, 1),
188};
189
190static const struct rockchip_cpuclk_reg_data rk3188_cpuclk_data = {
191	.core_reg = RK2928_CLKSEL_CON(0),
192	.div_core_shift = 9,
193	.div_core_mask = 0x1f,
194	.mux_core_shift = 8,
195};
196
197PNAME(mux_pll_p)		= { "xin24m", "xin32k" };
198PNAME(mux_armclk_p)		= { "apll", "gpll_armclk" };
199PNAME(mux_ddrphy_p)		= { "dpll", "gpll_ddr" };
200PNAME(mux_pll_src_gpll_cpll_p)	= { "gpll", "cpll" };
201PNAME(mux_pll_src_cpll_gpll_p)	= { "cpll", "gpll" };
202PNAME(mux_aclk_cpu_p)		= { "apll", "gpll" };
203PNAME(mux_sclk_cif0_p)		= { "cif0_pre", "xin24m" };
204PNAME(mux_sclk_i2s0_p)		= { "i2s0_pre", "i2s0_frac", "xin12m" };
205PNAME(mux_sclk_spdif_p)		= { "spdif_pre", "spdif_frac", "xin12m" };
206PNAME(mux_sclk_uart0_p)		= { "uart0_pre", "uart0_frac", "xin24m" };
207PNAME(mux_sclk_uart1_p)		= { "uart1_pre", "uart1_frac", "xin24m" };
208PNAME(mux_sclk_uart2_p)		= { "uart2_pre", "uart2_frac", "xin24m" };
209PNAME(mux_sclk_uart3_p)		= { "uart3_pre", "uart3_frac", "xin24m" };
210PNAME(mux_sclk_hsadc_p)		= { "hsadc_src", "hsadc_frac", "ext_hsadc" };
211PNAME(mux_mac_p)		= { "gpll", "dpll" };
212PNAME(mux_sclk_macref_p)	= { "mac_src", "ext_rmii" };
213
214static struct rockchip_pll_clock rk3066_pll_clks[] __initdata = {
215	[apll] = PLL(pll_rk3066, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
216		     RK2928_MODE_CON, 0, 5, 0, rk3188_pll_rates),
217	[dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
218		     RK2928_MODE_CON, 4, 4, 0, NULL),
219	[cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
220		     RK2928_MODE_CON, 8, 6, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
221	[gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
222		     RK2928_MODE_CON, 12, 7, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
223};
224
225static struct rockchip_pll_clock rk3188_pll_clks[] __initdata = {
226	[apll] = PLL(pll_rk3066, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
227		     RK2928_MODE_CON, 0, 6, 0, rk3188_pll_rates),
228	[dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
229		     RK2928_MODE_CON, 4, 5, 0, NULL),
230	[cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
231		     RK2928_MODE_CON, 8, 7, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
232	[gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
233		     RK2928_MODE_CON, 12, 8, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
234};
235
236#define MFLAGS CLK_MUX_HIWORD_MASK
237#define DFLAGS CLK_DIVIDER_HIWORD_MASK
238#define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE)
239#define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK
240
241/* 2 ^ (val + 1) */
242static struct clk_div_table div_core_peri_t[] = {
243	{ .val = 0, .div = 2 },
244	{ .val = 1, .div = 4 },
245	{ .val = 2, .div = 8 },
246	{ .val = 3, .div = 16 },
247	{ /* sentinel */ },
248};
249
250static struct rockchip_clk_branch common_clk_branches[] __initdata = {
251	/*
252	 * Clock-Architecture Diagram 2
253	 */
254
255	GATE(0, "gpll_armclk", "gpll", 0, RK2928_CLKGATE_CON(0), 1, GFLAGS),
256
257	/* these two are set by the cpuclk and should not be changed */
258	COMPOSITE_NOMUX_DIVTBL(CORE_PERI, "core_peri", "armclk", 0,
259			RK2928_CLKSEL_CON(0), 6, 2, DFLAGS | CLK_DIVIDER_READ_ONLY,
260			div_core_peri_t, RK2928_CLKGATE_CON(0), 0, GFLAGS),
261
262	COMPOSITE(0, "aclk_vepu", mux_pll_src_cpll_gpll_p, 0,
263			RK2928_CLKSEL_CON(32), 7, 1, MFLAGS, 0, 5, DFLAGS,
264			RK2928_CLKGATE_CON(3), 9, GFLAGS),
265	GATE(0, "hclk_vepu", "aclk_vepu", 0,
266			RK2928_CLKGATE_CON(3), 10, GFLAGS),
267	COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_p, 0,
268			RK2928_CLKSEL_CON(32), 15, 1, MFLAGS, 8, 5, DFLAGS,
269			RK2928_CLKGATE_CON(3), 11, GFLAGS),
270	GATE(0, "hclk_vdpu", "aclk_vdpu", 0,
271			RK2928_CLKGATE_CON(3), 12, GFLAGS),
272
273	GATE(0, "gpll_ddr", "gpll", CLK_IGNORE_UNUSED,
274			RK2928_CLKGATE_CON(1), 7, GFLAGS),
275	COMPOSITE(0, "ddrphy", mux_ddrphy_p, CLK_IGNORE_UNUSED,
276			RK2928_CLKSEL_CON(26), 8, 1, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
277			RK2928_CLKGATE_CON(0), 2, GFLAGS),
278
279	GATE(0, "aclk_cpu", "aclk_cpu_pre", 0,
280			RK2928_CLKGATE_CON(0), 3, GFLAGS),
281
282	GATE(0, "atclk_cpu", "pclk_cpu_pre", 0,
283			RK2928_CLKGATE_CON(0), 6, GFLAGS),
284	GATE(0, "pclk_cpu", "pclk_cpu_pre", 0,
285			RK2928_CLKGATE_CON(0), 5, GFLAGS),
286	GATE(0, "hclk_cpu", "hclk_cpu_pre", CLK_IGNORE_UNUSED,
287			RK2928_CLKGATE_CON(0), 4, GFLAGS),
288
289	COMPOSITE(0, "aclk_lcdc0_pre", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED,
290			RK2928_CLKSEL_CON(31), 7, 1, MFLAGS, 0, 5, DFLAGS,
291			RK2928_CLKGATE_CON(3), 0, GFLAGS),
292	COMPOSITE(0, "aclk_lcdc1_pre", mux_pll_src_cpll_gpll_p, 0,
293			RK2928_CLKSEL_CON(31), 15, 1, MFLAGS, 8, 5, DFLAGS,
294			RK2928_CLKGATE_CON(1), 4, GFLAGS),
295
296	GATE(0, "aclk_peri", "aclk_peri_pre", 0,
297			RK2928_CLKGATE_CON(2), 1, GFLAGS),
298	COMPOSITE_NOMUX(0, "hclk_peri", "aclk_peri_pre", 0,
299			RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
300			RK2928_CLKGATE_CON(2), 2, GFLAGS),
301	COMPOSITE_NOMUX(0, "pclk_peri", "aclk_peri_pre", 0,
302			RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
303			RK2928_CLKGATE_CON(2), 3, GFLAGS),
304
305	MUX(0, "cif_src", mux_pll_src_cpll_gpll_p, 0,
306			RK2928_CLKSEL_CON(29), 0, 1, MFLAGS),
307	COMPOSITE_NOMUX(0, "cif0_pre", "cif_src", 0,
308			RK2928_CLKSEL_CON(29), 1, 5, DFLAGS,
309			RK2928_CLKGATE_CON(3), 7, GFLAGS),
310	MUX(SCLK_CIF0, "sclk_cif0", mux_sclk_cif0_p, 0,
311			RK2928_CLKSEL_CON(29), 7, 1, MFLAGS),
312
313	GATE(0, "pclkin_cif0", "ext_cif0", 0,
314			RK2928_CLKGATE_CON(3), 3, GFLAGS),
315	INVERTER(0, "pclk_cif0", "pclkin_cif0",
316			RK2928_CLKSEL_CON(30), 8, IFLAGS),
317
318	/*
319	 * the 480m are generated inside the usb block from these clocks,
320	 * but they are also a source for the hsicphy clock.
321	 */
322	GATE(SCLK_OTGPHY0, "sclk_otgphy0", "usb480m", CLK_IGNORE_UNUSED,
323			RK2928_CLKGATE_CON(1), 5, GFLAGS),
324	GATE(SCLK_OTGPHY1, "sclk_otgphy1", "usb480m", CLK_IGNORE_UNUSED,
325			RK2928_CLKGATE_CON(1), 6, GFLAGS),
326
327	COMPOSITE(0, "mac_src", mux_mac_p, 0,
328			RK2928_CLKSEL_CON(21), 0, 1, MFLAGS, 8, 5, DFLAGS,
329			RK2928_CLKGATE_CON(2), 5, GFLAGS),
330	MUX(SCLK_MAC, "sclk_macref", mux_sclk_macref_p, CLK_SET_RATE_PARENT,
331			RK2928_CLKSEL_CON(21), 4, 1, MFLAGS),
332	GATE(0, "sclk_mac_lbtest", "sclk_macref",
333			RK2928_CLKGATE_CON(2), 12, 0, GFLAGS),
334
335	COMPOSITE(0, "hsadc_src", mux_pll_src_gpll_cpll_p, 0,
336			RK2928_CLKSEL_CON(22), 0, 1, MFLAGS, 8, 8, DFLAGS,
337			RK2928_CLKGATE_CON(2), 6, GFLAGS),
338	COMPOSITE_FRAC(0, "hsadc_frac", "hsadc_src", 0,
339			RK2928_CLKSEL_CON(23), 0,
340			RK2928_CLKGATE_CON(2), 7, GFLAGS),
341	MUX(0, "sclk_hsadc_out", mux_sclk_hsadc_p, 0,
342			RK2928_CLKSEL_CON(22), 4, 2, MFLAGS),
343	INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out",
344			RK2928_CLKSEL_CON(22), 7, IFLAGS),
345
346	COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
347			RK2928_CLKSEL_CON(24), 8, 8, DFLAGS,
348			RK2928_CLKGATE_CON(2), 8, GFLAGS),
349
350	COMPOSITE_NOMUX(0, "spdif_pre", "i2s_src", 0,
351			RK2928_CLKSEL_CON(5), 0, 7, DFLAGS,
352			RK2928_CLKGATE_CON(0), 13, GFLAGS),
353	COMPOSITE_FRAC(0, "spdif_frac", "spdif_pre", CLK_SET_RATE_PARENT,
354			RK2928_CLKSEL_CON(9), 0,
355			RK2928_CLKGATE_CON(0), 14, GFLAGS),
356	MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT,
357			RK2928_CLKSEL_CON(5), 8, 2, MFLAGS),
358
359	/*
360	 * Clock-Architecture Diagram 4
361	 */
362
363	GATE(SCLK_SMC, "sclk_smc", "hclk_peri",
364			RK2928_CLKGATE_CON(2), 4, 0, GFLAGS),
365
366	COMPOSITE_NOMUX(SCLK_SPI0, "sclk_spi0", "pclk_peri", 0,
367			RK2928_CLKSEL_CON(25), 0, 7, DFLAGS,
368			RK2928_CLKGATE_CON(2), 9, GFLAGS),
369	COMPOSITE_NOMUX(SCLK_SPI1, "sclk_spi1", "pclk_peri", 0,
370			RK2928_CLKSEL_CON(25), 8, 7, DFLAGS,
371			RK2928_CLKGATE_CON(2), 10, GFLAGS),
372
373	COMPOSITE_NOMUX(SCLK_SDMMC, "sclk_sdmmc", "hclk_peri", 0,
374			RK2928_CLKSEL_CON(11), 0, 6, DFLAGS,
375			RK2928_CLKGATE_CON(2), 11, GFLAGS),
376	COMPOSITE_NOMUX(SCLK_SDIO, "sclk_sdio", "hclk_peri", 0,
377			RK2928_CLKSEL_CON(12), 0, 6, DFLAGS,
378			RK2928_CLKGATE_CON(2), 13, GFLAGS),
379	COMPOSITE_NOMUX(SCLK_EMMC, "sclk_emmc", "hclk_peri", 0,
380			RK2928_CLKSEL_CON(12), 8, 6, DFLAGS,
381			RK2928_CLKGATE_CON(2), 14, GFLAGS),
382
383	MUX(0, "uart_src", mux_pll_src_gpll_cpll_p, 0,
384			RK2928_CLKSEL_CON(12), 15, 1, MFLAGS),
385	COMPOSITE_NOMUX(0, "uart0_pre", "uart_src", 0,
386			RK2928_CLKSEL_CON(13), 0, 7, DFLAGS,
387			RK2928_CLKGATE_CON(1), 8, GFLAGS),
388	COMPOSITE_FRAC(0, "uart0_frac", "uart0_pre", 0,
389			RK2928_CLKSEL_CON(17), 0,
390			RK2928_CLKGATE_CON(1), 9, GFLAGS),
391	MUX(SCLK_UART0, "sclk_uart0", mux_sclk_uart0_p, 0,
392			RK2928_CLKSEL_CON(13), 8, 2, MFLAGS),
393	COMPOSITE_NOMUX(0, "uart1_pre", "uart_src", 0,
394			RK2928_CLKSEL_CON(14), 0, 7, DFLAGS,
395			RK2928_CLKGATE_CON(1), 10, GFLAGS),
396	COMPOSITE_FRAC(0, "uart1_frac", "uart1_pre", 0,
397			RK2928_CLKSEL_CON(18), 0,
398			RK2928_CLKGATE_CON(1), 11, GFLAGS),
399	MUX(SCLK_UART1, "sclk_uart1", mux_sclk_uart1_p, 0,
400			RK2928_CLKSEL_CON(14), 8, 2, MFLAGS),
401	COMPOSITE_NOMUX(0, "uart2_pre", "uart_src", 0,
402			RK2928_CLKSEL_CON(15), 0, 7, DFLAGS,
403			RK2928_CLKGATE_CON(1), 12, GFLAGS),
404	COMPOSITE_FRAC(0, "uart2_frac", "uart2_pre", 0,
405			RK2928_CLKSEL_CON(19), 0,
406			RK2928_CLKGATE_CON(1), 13, GFLAGS),
407	MUX(SCLK_UART2, "sclk_uart2", mux_sclk_uart2_p, 0,
408			RK2928_CLKSEL_CON(15), 8, 2, MFLAGS),
409	COMPOSITE_NOMUX(0, "uart3_pre", "uart_src", 0,
410			RK2928_CLKSEL_CON(16), 0, 7, DFLAGS,
411			RK2928_CLKGATE_CON(1), 14, GFLAGS),
412	COMPOSITE_FRAC(0, "uart3_frac", "uart3_pre", 0,
413			RK2928_CLKSEL_CON(20), 0,
414			RK2928_CLKGATE_CON(1), 15, GFLAGS),
415	MUX(SCLK_UART3, "sclk_uart3", mux_sclk_uart3_p, 0,
416			RK2928_CLKSEL_CON(16), 8, 2, MFLAGS),
417
418	GATE(SCLK_JTAG, "jtag", "ext_jtag", 0, RK2928_CLKGATE_CON(1), 3, GFLAGS),
419
420	GATE(SCLK_TIMER0, "timer0", "xin24m", 0, RK2928_CLKGATE_CON(1), 0, GFLAGS),
421	GATE(SCLK_TIMER1, "timer1", "xin24m", 0, RK2928_CLKGATE_CON(1), 1, GFLAGS),
422
423	/* clk_core_pre gates */
424	GATE(0, "core_dbg", "armclk", 0, RK2928_CLKGATE_CON(9), 0, GFLAGS),
425
426	/* aclk_cpu gates */
427	GATE(ACLK_DMA1, "aclk_dma1", "aclk_cpu", 0, RK2928_CLKGATE_CON(5), 0, GFLAGS),
428	GATE(0, "aclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS),
429	GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS),
430
431	/* hclk_cpu gates */
432	GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", 0, RK2928_CLKGATE_CON(5), 6, GFLAGS),
433	GATE(HCLK_I2S0, "hclk_i2s0", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),
434	GATE(HCLK_SPDIF, "hclk_spdif", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 1, GFLAGS),
435	GATE(0, "hclk_cpubus", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 8, GFLAGS),
436	/* hclk_ahb2apb is part of a clk branch */
437	GATE(0, "hclk_vio_bus", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 12, GFLAGS),
438	GATE(HCLK_LCDC0, "hclk_lcdc0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 1, GFLAGS),
439	GATE(HCLK_LCDC1, "hclk_lcdc1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 2, GFLAGS),
440	GATE(HCLK_CIF0, "hclk_cif0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 4, GFLAGS),
441	GATE(HCLK_IPP, "hclk_ipp", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 9, GFLAGS),
442	GATE(HCLK_RGA, "hclk_rga", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS),
443
444	/* hclk_peri gates */
445	GATE(0, "hclk_peri_axi_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS),
446	GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 6, GFLAGS),
447	GATE(0, "hclk_emem_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 7, GFLAGS),
448	GATE(HCLK_EMAC, "hclk_emac", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS),
449	GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS),
450	GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 5, GFLAGS),
451	GATE(HCLK_OTG0, "hclk_usbotg0", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 13, GFLAGS),
452	GATE(HCLK_HSADC, "hclk_hsadc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 5, GFLAGS),
453	GATE(HCLK_PIDF, "hclk_pidfilter", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 6, GFLAGS),
454	GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS),
455	GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS),
456	GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 12, GFLAGS),
457
458	/* aclk_lcdc0_pre gates */
459	GATE(0, "aclk_vio0", "aclk_lcdc0_pre", 0, RK2928_CLKGATE_CON(6), 13, GFLAGS),
460	GATE(ACLK_LCDC0, "aclk_lcdc0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 0, GFLAGS),
461	GATE(ACLK_CIF0, "aclk_cif0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 5, GFLAGS),
462	GATE(ACLK_IPP, "aclk_ipp", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 8, GFLAGS),
463
464	/* aclk_lcdc1_pre gates */
465	GATE(0, "aclk_vio1", "aclk_lcdc1_pre", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS),
466	GATE(ACLK_LCDC1, "aclk_lcdc1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 3, GFLAGS),
467	GATE(ACLK_RGA, "aclk_rga", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 11, GFLAGS),
468
469	/* atclk_cpu gates */
470	GATE(0, "atclk", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 3, GFLAGS),
471	GATE(0, "trace", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS),
472
473	/* pclk_cpu gates */
474	GATE(PCLK_PWM01, "pclk_pwm01", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS),
475	GATE(PCLK_TIMER0, "pclk_timer0", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 7, GFLAGS),
476	GATE(PCLK_I2C0, "pclk_i2c0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS),
477	GATE(PCLK_I2C1, "pclk_i2c1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS),
478	GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS),
479	GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS),
480	GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS),
481	GATE(PCLK_EFUSE, "pclk_efuse", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS),
482	GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 3, GFLAGS),
483	GATE(0, "pclk_ddrupctl", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 7, GFLAGS),
484	GATE(0, "pclk_ddrpubl", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS),
485	GATE(0, "pclk_dbg", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 1, GFLAGS),
486	GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS),
487	GATE(PCLK_PMU, "pclk_pmu", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 5, GFLAGS),
488
489	/* aclk_peri */
490	GATE(ACLK_DMA2, "aclk_dma2", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS),
491	GATE(ACLK_SMC, "aclk_smc", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 8, GFLAGS),
492	GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 4, GFLAGS),
493	GATE(0, "aclk_cpu_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS),
494	GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS),
495
496	/* pclk_peri gates */
497	GATE(0, "pclk_peri_axi_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS),
498	GATE(PCLK_PWM23, "pclk_pwm23", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 11, GFLAGS),
499	GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
500	GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS),
501	GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 13, GFLAGS),
502	GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS),
503	GATE(PCLK_UART3, "pclk_uart3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 3, GFLAGS),
504	GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS),
505	GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS),
506	GATE(PCLK_I2C4, "pclk_i2c4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 8, GFLAGS),
507	GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS),
508	GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS),
509};
510
511PNAME(mux_rk3066_lcdc0_p)	= { "dclk_lcdc0_src", "xin27m" };
512PNAME(mux_rk3066_lcdc1_p)	= { "dclk_lcdc1_src", "xin27m" };
513PNAME(mux_sclk_cif1_p)		= { "cif1_pre", "xin24m" };
514PNAME(mux_sclk_i2s1_p)		= { "i2s1_pre", "i2s1_frac", "xin12m" };
515PNAME(mux_sclk_i2s2_p)		= { "i2s2_pre", "i2s2_frac", "xin12m" };
516
517static struct clk_div_table div_aclk_cpu_t[] = {
518	{ .val = 0, .div = 1 },
519	{ .val = 1, .div = 2 },
520	{ .val = 2, .div = 3 },
521	{ .val = 3, .div = 4 },
522	{ .val = 4, .div = 8 },
523	{ /* sentinel */ },
524};
525
526static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = {
527	DIVTBL(0, "aclk_cpu_pre", "armclk", 0,
528			RK2928_CLKSEL_CON(1), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, div_aclk_cpu_t),
529	DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
530			RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
531							    | CLK_DIVIDER_READ_ONLY),
532	DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
533			RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
534							   | CLK_DIVIDER_READ_ONLY),
535	COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
536			RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
537							    | CLK_DIVIDER_READ_ONLY,
538			RK2928_CLKGATE_CON(4), 9, GFLAGS),
539
540	GATE(CORE_L2C, "core_l2c", "aclk_cpu", CLK_IGNORE_UNUSED,
541			RK2928_CLKGATE_CON(9), 4, GFLAGS),
542
543	COMPOSITE(0, "aclk_peri_pre", mux_pll_src_gpll_cpll_p, 0,
544			RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
545			RK2928_CLKGATE_CON(2), 0, GFLAGS),
546
547	COMPOSITE(0, "dclk_lcdc0_src", mux_pll_src_cpll_gpll_p, 0,
548			RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
549			RK2928_CLKGATE_CON(3), 1, GFLAGS),
550	MUX(DCLK_LCDC0, "dclk_lcdc0", mux_rk3066_lcdc0_p, 0,
551			RK2928_CLKSEL_CON(27), 4, 1, MFLAGS),
552	COMPOSITE(0, "dclk_lcdc1_src", mux_pll_src_cpll_gpll_p, 0,
553			RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
554			RK2928_CLKGATE_CON(3), 2, GFLAGS),
555	MUX(DCLK_LCDC1, "dclk_lcdc1", mux_rk3066_lcdc1_p, 0,
556			RK2928_CLKSEL_CON(28), 4, 1, MFLAGS),
557
558	COMPOSITE_NOMUX(0, "cif1_pre", "cif_src", 0,
559			RK2928_CLKSEL_CON(29), 8, 5, DFLAGS,
560			RK2928_CLKGATE_CON(3), 8, GFLAGS),
561	MUX(SCLK_CIF1, "sclk_cif1", mux_sclk_cif1_p, 0,
562			RK2928_CLKSEL_CON(29), 15, 1, MFLAGS),
563
564	GATE(0, "pclkin_cif1", "ext_cif1", 0,
565			RK2928_CLKGATE_CON(3), 4, GFLAGS),
566	INVERTER(0, "pclk_cif1", "pclkin_cif1",
567			RK2928_CLKSEL_CON(30), 12, IFLAGS),
568
569	COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
570			RK2928_CLKSEL_CON(33), 8, 1, MFLAGS, 0, 5, DFLAGS,
571			RK2928_CLKGATE_CON(3), 13, GFLAGS),
572	GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
573			RK2928_CLKGATE_CON(5), 15, GFLAGS),
574
575	GATE(SCLK_TIMER2, "timer2", "xin24m", 0,
576			RK2928_CLKGATE_CON(3), 2, GFLAGS),
577
578	COMPOSITE_NOMUX(0, "sclk_tsadc", "xin24m", 0,
579			RK2928_CLKSEL_CON(34), 0, 16, DFLAGS,
580			RK2928_CLKGATE_CON(2), 15, GFLAGS),
581
582	MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
583			RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
584	COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
585			RK2928_CLKSEL_CON(2), 0, 7, DFLAGS,
586			RK2928_CLKGATE_CON(0), 7, GFLAGS),
587	COMPOSITE_FRAC(0, "i2s0_frac", "i2s0_pre", 0,
588			RK2928_CLKSEL_CON(6), 0,
589			RK2928_CLKGATE_CON(0), 8, GFLAGS),
590	MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0,
591			RK2928_CLKSEL_CON(2), 8, 2, MFLAGS),
592	COMPOSITE_NOMUX(0, "i2s1_pre", "i2s_src", 0,
593			RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
594			RK2928_CLKGATE_CON(0), 9, GFLAGS),
595	COMPOSITE_FRAC(0, "i2s1_frac", "i2s1_pre", 0,
596			RK2928_CLKSEL_CON(7), 0,
597			RK2928_CLKGATE_CON(0), 10, GFLAGS),
598	MUX(SCLK_I2S1, "sclk_i2s1", mux_sclk_i2s1_p, 0,
599			RK2928_CLKSEL_CON(3), 8, 2, MFLAGS),
600	COMPOSITE_NOMUX(0, "i2s2_pre", "i2s_src", 0,
601			RK2928_CLKSEL_CON(4), 0, 7, DFLAGS,
602			RK2928_CLKGATE_CON(0), 11, GFLAGS),
603	COMPOSITE_FRAC(0, "i2s2_frac", "i2s2_pre", 0,
604			RK2928_CLKSEL_CON(8), 0,
605			RK2928_CLKGATE_CON(0), 12, GFLAGS),
606	MUX(SCLK_I2S2, "sclk_i2s2", mux_sclk_i2s2_p, 0,
607			RK2928_CLKSEL_CON(4), 8, 2, MFLAGS),
608
609	GATE(HCLK_I2S1, "hclk_i2s1", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS),
610	GATE(HCLK_I2S2, "hclk_i2s2", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
611	GATE(0, "hclk_cif1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 6, GFLAGS),
612	GATE(0, "hclk_hdmi", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
613
614	GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
615			RK2928_CLKGATE_CON(5), 14, GFLAGS),
616
617	GATE(0, "aclk_cif1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 7, GFLAGS),
618
619	GATE(PCLK_TIMER1, "pclk_timer1", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 8, GFLAGS),
620	GATE(PCLK_TIMER2, "pclk_timer2", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
621	GATE(PCLK_GPIO6, "pclk_gpio6", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 15, GFLAGS),
622	GATE(PCLK_UART0, "pclk_uart0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
623	GATE(PCLK_UART1, "pclk_uart1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
624
625	GATE(PCLK_GPIO4, "pclk_gpio4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
626	GATE(PCLK_TSADC, "pclk_tsadc", "pclk_peri", 0, RK2928_CLKGATE_CON(4), 13, GFLAGS),
627};
628
629static struct clk_div_table div_rk3188_aclk_core_t[] = {
630	{ .val = 0, .div = 1 },
631	{ .val = 1, .div = 2 },
632	{ .val = 2, .div = 3 },
633	{ .val = 3, .div = 4 },
634	{ .val = 4, .div = 8 },
635	{ /* sentinel */ },
636};
637
638PNAME(mux_hsicphy_p)		= { "sclk_otgphy0", "sclk_otgphy1",
639				    "gpll", "cpll" };
640
641static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
642	COMPOSITE_NOMUX_DIVTBL(0, "aclk_core", "armclk", CLK_IGNORE_UNUSED,
643			RK2928_CLKSEL_CON(1), 3, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
644			div_rk3188_aclk_core_t, RK2928_CLKGATE_CON(0), 7, GFLAGS),
645
646	/* do not source aclk_cpu_pre from the apll, to keep complexity down */
647	COMPOSITE_NOGATE(0, "aclk_cpu_pre", mux_aclk_cpu_p, CLK_SET_RATE_NO_REPARENT,
648			RK2928_CLKSEL_CON(0), 5, 1, MFLAGS, 0, 5, DFLAGS),
649	DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
650			RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
651	DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
652			RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
653	COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
654			RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
655			RK2928_CLKGATE_CON(4), 9, GFLAGS),
656
657	GATE(CORE_L2C, "core_l2c", "armclk", CLK_IGNORE_UNUSED,
658			RK2928_CLKGATE_CON(9), 4, GFLAGS),
659
660	COMPOSITE(0, "aclk_peri_pre", mux_pll_src_cpll_gpll_p, 0,
661			RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
662			RK2928_CLKGATE_CON(2), 0, GFLAGS),
663
664	COMPOSITE(DCLK_LCDC0, "dclk_lcdc0", mux_pll_src_cpll_gpll_p, 0,
665			RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
666			RK2928_CLKGATE_CON(3), 1, GFLAGS),
667	COMPOSITE(DCLK_LCDC1, "dclk_lcdc1", mux_pll_src_cpll_gpll_p, 0,
668			RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
669			RK2928_CLKGATE_CON(3), 2, GFLAGS),
670
671	COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
672			RK2928_CLKSEL_CON(34), 7, 1, MFLAGS, 0, 5, DFLAGS,
673			RK2928_CLKGATE_CON(3), 15, GFLAGS),
674	GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
675			RK2928_CLKGATE_CON(9), 7, GFLAGS),
676
677	GATE(SCLK_TIMER2, "timer2", "xin24m", 0, RK2928_CLKGATE_CON(3), 4, GFLAGS),
678	GATE(SCLK_TIMER3, "timer3", "xin24m", 0, RK2928_CLKGATE_CON(1), 2, GFLAGS),
679	GATE(SCLK_TIMER4, "timer4", "xin24m", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
680	GATE(SCLK_TIMER5, "timer5", "xin24m", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
681	GATE(SCLK_TIMER6, "timer6", "xin24m", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
682
683	COMPOSITE_NODIV(0, "sclk_hsicphy_480m", mux_hsicphy_p, 0,
684			RK2928_CLKSEL_CON(30), 0, 2, DFLAGS,
685			RK2928_CLKGATE_CON(3), 6, GFLAGS),
686	DIV(0, "sclk_hsicphy_12m", "sclk_hsicphy_480m", 0,
687			RK2928_CLKSEL_CON(11), 8, 6, DFLAGS),
688
689	MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
690			RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
691	COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
692			RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
693			RK2928_CLKGATE_CON(0), 9, GFLAGS),
694	COMPOSITE_FRAC(0, "i2s0_frac", "i2s0_pre", 0,
695			RK2928_CLKSEL_CON(7), 0,
696			RK2928_CLKGATE_CON(0), 10, GFLAGS),
697	MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0,
698			RK2928_CLKSEL_CON(3), 8, 2, MFLAGS),
699
700	GATE(0, "hclk_imem0", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
701	GATE(0, "hclk_imem1", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 15, GFLAGS),
702
703	GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
704			RK2928_CLKGATE_CON(7), 3, GFLAGS),
705	GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
706
707	GATE(PCLK_TIMER3, "pclk_timer3", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
708
709	GATE(PCLK_UART0, "pclk_uart0", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
710	GATE(PCLK_UART1, "pclk_uart1", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
711
712	GATE(ACLK_GPS, "aclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
713};
714
715static const char *const rk3188_critical_clocks[] __initconst = {
716	"aclk_cpu",
717	"aclk_peri",
718	"hclk_peri",
719	"pclk_cpu",
720	"pclk_peri",
721	"hclk_cpubus"
722};
723
724static void __init rk3188_common_clk_init(struct device_node *np)
725{
726	void __iomem *reg_base;
727	struct clk *clk;
728
729	reg_base = of_iomap(np, 0);
730	if (!reg_base) {
731		pr_err("%s: could not map cru region\n", __func__);
732		return;
733	}
734
735	rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
736
737	/* xin12m is created by an cru-internal divider */
738	clk = clk_register_fixed_factor(NULL, "xin12m", "xin24m", 0, 1, 2);
739	if (IS_ERR(clk))
740		pr_warn("%s: could not register clock xin12m: %ld\n",
741			__func__, PTR_ERR(clk));
742
743	clk = clk_register_fixed_factor(NULL, "usb480m", "xin24m", 0, 20, 1);
744	if (IS_ERR(clk))
745		pr_warn("%s: could not register clock usb480m: %ld\n",
746			__func__, PTR_ERR(clk));
747
748	rockchip_clk_register_branches(common_clk_branches,
749				  ARRAY_SIZE(common_clk_branches));
750
751	rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
752				  ROCKCHIP_SOFTRST_HIWORD_MASK);
753
754	rockchip_register_restart_notifier(RK2928_GLB_SRST_FST);
755}
756
757static void __init rk3066a_clk_init(struct device_node *np)
758{
759	rk3188_common_clk_init(np);
760	rockchip_clk_register_plls(rk3066_pll_clks,
761				   ARRAY_SIZE(rk3066_pll_clks),
762				   RK3066_GRF_SOC_STATUS);
763	rockchip_clk_register_branches(rk3066a_clk_branches,
764				  ARRAY_SIZE(rk3066a_clk_branches));
765	rockchip_clk_register_armclk(ARMCLK, "armclk",
766			mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
767			&rk3066_cpuclk_data, rk3066_cpuclk_rates,
768			ARRAY_SIZE(rk3066_cpuclk_rates));
769	rockchip_clk_protect_critical(rk3188_critical_clocks,
770				      ARRAY_SIZE(rk3188_critical_clocks));
771}
772CLK_OF_DECLARE(rk3066a_cru, "rockchip,rk3066a-cru", rk3066a_clk_init);
773
774static void __init rk3188a_clk_init(struct device_node *np)
775{
776	struct clk *clk1, *clk2;
777	unsigned long rate;
778	int ret;
779
780	rk3188_common_clk_init(np);
781	rockchip_clk_register_plls(rk3188_pll_clks,
782				   ARRAY_SIZE(rk3188_pll_clks),
783				   RK3188_GRF_SOC_STATUS);
784	rockchip_clk_register_branches(rk3188_clk_branches,
785				  ARRAY_SIZE(rk3188_clk_branches));
786	rockchip_clk_register_armclk(ARMCLK, "armclk",
787				  mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
788				  &rk3188_cpuclk_data, rk3188_cpuclk_rates,
789				  ARRAY_SIZE(rk3188_cpuclk_rates));
790
791	/* reparent aclk_cpu_pre from apll */
792	clk1 = __clk_lookup("aclk_cpu_pre");
793	clk2 = __clk_lookup("gpll");
794	if (clk1 && clk2) {
795		rate = clk_get_rate(clk1);
796
797		ret = clk_set_parent(clk1, clk2);
798		if (ret < 0)
799			pr_warn("%s: could not reparent aclk_cpu_pre to gpll\n",
800				__func__);
801
802		clk_set_rate(clk1, rate);
803	} else {
804		pr_warn("%s: missing clocks to reparent aclk_cpu_pre to gpll\n",
805			__func__);
806	}
807
808	rockchip_clk_protect_critical(rk3188_critical_clocks,
809				      ARRAY_SIZE(rk3188_critical_clocks));
810}
811CLK_OF_DECLARE(rk3188a_cru, "rockchip,rk3188a-cru", rk3188a_clk_init);
812
813static void __init rk3188_clk_init(struct device_node *np)
814{
815	int i;
816
817	for (i = 0; i < ARRAY_SIZE(rk3188_pll_clks); i++) {
818		struct rockchip_pll_clock *pll = &rk3188_pll_clks[i];
819		struct rockchip_pll_rate_table *rate;
820
821		if (!pll->rate_table)
822			continue;
823
824		rate = pll->rate_table;
825		while (rate->rate > 0) {
826			rate->nb = 1;
827			rate++;
828		}
829	}
830
831	rk3188a_clk_init(np);
832}
833CLK_OF_DECLARE(rk3188_cru, "rockchip,rk3188-cru", rk3188_clk_init);
834