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Merge tag 'pwm/for-4.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry...
[deliverable/linux.git] / drivers / clk / rockchip / clk-rk3188.c
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
26 enum rk3188_plls {
27 apll, cpll, dpll, gpll,
28 };
29
30 static 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
144 static 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
154 static 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
179 static 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
190 static 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
197 PNAME(mux_pll_p) = { "xin24m", "xin32k" };
198 PNAME(mux_armclk_p) = { "apll", "gpll_armclk" };
199 PNAME(mux_ddrphy_p) = { "dpll", "gpll_ddr" };
200 PNAME(mux_pll_src_gpll_cpll_p) = { "gpll", "cpll" };
201 PNAME(mux_pll_src_cpll_gpll_p) = { "cpll", "gpll" };
202 PNAME(mux_aclk_cpu_p) = { "apll", "gpll" };
203 PNAME(mux_sclk_cif0_p) = { "cif0_pre", "xin24m" };
204 PNAME(mux_sclk_i2s0_p) = { "i2s0_pre", "i2s0_frac", "xin12m" };
205 PNAME(mux_sclk_spdif_p) = { "spdif_pre", "spdif_frac", "xin12m" };
206 PNAME(mux_sclk_uart0_p) = { "uart0_pre", "uart0_frac", "xin24m" };
207 PNAME(mux_sclk_uart1_p) = { "uart1_pre", "uart1_frac", "xin24m" };
208 PNAME(mux_sclk_uart2_p) = { "uart2_pre", "uart2_frac", "xin24m" };
209 PNAME(mux_sclk_uart3_p) = { "uart3_pre", "uart3_frac", "xin24m" };
210 PNAME(mux_sclk_hsadc_p) = { "hsadc_src", "hsadc_frac", "ext_hsadc" };
211 PNAME(mux_mac_p) = { "gpll", "dpll" };
212 PNAME(mux_sclk_macref_p) = { "mac_src", "ext_rmii" };
213
214 static 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
225 static 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) */
242 static 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
250 static struct rockchip_clk_branch common_hsadc_out_fracmux __initdata =
251 MUX(0, "sclk_hsadc_out", mux_sclk_hsadc_p, 0,
252 RK2928_CLKSEL_CON(22), 4, 2, MFLAGS);
253
254 static struct rockchip_clk_branch common_spdif_fracmux __initdata =
255 MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT,
256 RK2928_CLKSEL_CON(5), 8, 2, MFLAGS);
257
258 static struct rockchip_clk_branch common_uart0_fracmux __initdata =
259 MUX(SCLK_UART0, "sclk_uart0", mux_sclk_uart0_p, 0,
260 RK2928_CLKSEL_CON(13), 8, 2, MFLAGS);
261
262 static struct rockchip_clk_branch common_uart1_fracmux __initdata =
263 MUX(SCLK_UART1, "sclk_uart1", mux_sclk_uart1_p, 0,
264 RK2928_CLKSEL_CON(14), 8, 2, MFLAGS);
265
266 static struct rockchip_clk_branch common_uart2_fracmux __initdata =
267 MUX(SCLK_UART2, "sclk_uart2", mux_sclk_uart2_p, 0,
268 RK2928_CLKSEL_CON(15), 8, 2, MFLAGS);
269
270 static struct rockchip_clk_branch common_uart3_fracmux __initdata =
271 MUX(SCLK_UART3, "sclk_uart3", mux_sclk_uart3_p, 0,
272 RK2928_CLKSEL_CON(16), 8, 2, MFLAGS);
273
274 static struct rockchip_clk_branch common_clk_branches[] __initdata = {
275 /*
276 * Clock-Architecture Diagram 2
277 */
278
279 GATE(0, "gpll_armclk", "gpll", 0, RK2928_CLKGATE_CON(0), 1, GFLAGS),
280
281 /* these two are set by the cpuclk and should not be changed */
282 COMPOSITE_NOMUX_DIVTBL(CORE_PERI, "core_peri", "armclk", 0,
283 RK2928_CLKSEL_CON(0), 6, 2, DFLAGS | CLK_DIVIDER_READ_ONLY,
284 div_core_peri_t, RK2928_CLKGATE_CON(0), 0, GFLAGS),
285
286 COMPOSITE(0, "aclk_vepu", mux_pll_src_cpll_gpll_p, 0,
287 RK2928_CLKSEL_CON(32), 7, 1, MFLAGS, 0, 5, DFLAGS,
288 RK2928_CLKGATE_CON(3), 9, GFLAGS),
289 GATE(0, "hclk_vepu", "aclk_vepu", 0,
290 RK2928_CLKGATE_CON(3), 10, GFLAGS),
291 COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_p, 0,
292 RK2928_CLKSEL_CON(32), 15, 1, MFLAGS, 8, 5, DFLAGS,
293 RK2928_CLKGATE_CON(3), 11, GFLAGS),
294 GATE(0, "hclk_vdpu", "aclk_vdpu", 0,
295 RK2928_CLKGATE_CON(3), 12, GFLAGS),
296
297 GATE(0, "gpll_ddr", "gpll", CLK_IGNORE_UNUSED,
298 RK2928_CLKGATE_CON(1), 7, GFLAGS),
299 COMPOSITE(0, "ddrphy", mux_ddrphy_p, CLK_IGNORE_UNUSED,
300 RK2928_CLKSEL_CON(26), 8, 1, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
301 RK2928_CLKGATE_CON(0), 2, GFLAGS),
302
303 GATE(0, "aclk_cpu", "aclk_cpu_pre", 0,
304 RK2928_CLKGATE_CON(0), 3, GFLAGS),
305
306 GATE(0, "atclk_cpu", "pclk_cpu_pre", 0,
307 RK2928_CLKGATE_CON(0), 6, GFLAGS),
308 GATE(0, "pclk_cpu", "pclk_cpu_pre", 0,
309 RK2928_CLKGATE_CON(0), 5, GFLAGS),
310 GATE(0, "hclk_cpu", "hclk_cpu_pre", CLK_IGNORE_UNUSED,
311 RK2928_CLKGATE_CON(0), 4, GFLAGS),
312
313 COMPOSITE(0, "aclk_lcdc0_pre", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED,
314 RK2928_CLKSEL_CON(31), 7, 1, MFLAGS, 0, 5, DFLAGS,
315 RK2928_CLKGATE_CON(3), 0, GFLAGS),
316 COMPOSITE(0, "aclk_lcdc1_pre", mux_pll_src_cpll_gpll_p, 0,
317 RK2928_CLKSEL_CON(31), 15, 1, MFLAGS, 8, 5, DFLAGS,
318 RK2928_CLKGATE_CON(1), 4, GFLAGS),
319
320 GATE(0, "aclk_peri", "aclk_peri_pre", 0,
321 RK2928_CLKGATE_CON(2), 1, GFLAGS),
322 COMPOSITE_NOMUX(0, "hclk_peri", "aclk_peri_pre", 0,
323 RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
324 RK2928_CLKGATE_CON(2), 2, GFLAGS),
325 COMPOSITE_NOMUX(0, "pclk_peri", "aclk_peri_pre", 0,
326 RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
327 RK2928_CLKGATE_CON(2), 3, GFLAGS),
328
329 MUX(0, "cif_src", mux_pll_src_cpll_gpll_p, 0,
330 RK2928_CLKSEL_CON(29), 0, 1, MFLAGS),
331 COMPOSITE_NOMUX(0, "cif0_pre", "cif_src", 0,
332 RK2928_CLKSEL_CON(29), 1, 5, DFLAGS,
333 RK2928_CLKGATE_CON(3), 7, GFLAGS),
334 MUX(SCLK_CIF0, "sclk_cif0", mux_sclk_cif0_p, 0,
335 RK2928_CLKSEL_CON(29), 7, 1, MFLAGS),
336
337 GATE(0, "pclkin_cif0", "ext_cif0", 0,
338 RK2928_CLKGATE_CON(3), 3, GFLAGS),
339 INVERTER(0, "pclk_cif0", "pclkin_cif0",
340 RK2928_CLKSEL_CON(30), 8, IFLAGS),
341
342 FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
343
344 /*
345 * the 480m are generated inside the usb block from these clocks,
346 * but they are also a source for the hsicphy clock.
347 */
348 GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin24m", CLK_IGNORE_UNUSED,
349 RK2928_CLKGATE_CON(1), 5, GFLAGS),
350 GATE(SCLK_OTGPHY1, "sclk_otgphy1", "xin24m", CLK_IGNORE_UNUSED,
351 RK2928_CLKGATE_CON(1), 6, GFLAGS),
352
353 COMPOSITE(0, "mac_src", mux_mac_p, 0,
354 RK2928_CLKSEL_CON(21), 0, 1, MFLAGS, 8, 5, DFLAGS,
355 RK2928_CLKGATE_CON(2), 5, GFLAGS),
356 MUX(SCLK_MAC, "sclk_macref", mux_sclk_macref_p, CLK_SET_RATE_PARENT,
357 RK2928_CLKSEL_CON(21), 4, 1, MFLAGS),
358 GATE(0, "sclk_mac_lbtest", "sclk_macref",
359 RK2928_CLKGATE_CON(2), 12, 0, GFLAGS),
360
361 COMPOSITE(0, "hsadc_src", mux_pll_src_gpll_cpll_p, 0,
362 RK2928_CLKSEL_CON(22), 0, 1, MFLAGS, 8, 8, DFLAGS,
363 RK2928_CLKGATE_CON(2), 6, GFLAGS),
364 COMPOSITE_FRACMUX(0, "hsadc_frac", "hsadc_src", 0,
365 RK2928_CLKSEL_CON(23), 0,
366 RK2928_CLKGATE_CON(2), 7, GFLAGS,
367 &common_hsadc_out_fracmux),
368 INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out",
369 RK2928_CLKSEL_CON(22), 7, IFLAGS),
370
371 COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
372 RK2928_CLKSEL_CON(24), 8, 8, DFLAGS,
373 RK2928_CLKGATE_CON(2), 8, GFLAGS),
374
375 COMPOSITE_NOMUX(0, "spdif_pre", "i2s_src", 0,
376 RK2928_CLKSEL_CON(5), 0, 7, DFLAGS,
377 RK2928_CLKGATE_CON(0), 13, GFLAGS),
378 COMPOSITE_FRACMUX(0, "spdif_frac", "spdif_pll", CLK_SET_RATE_PARENT,
379 RK2928_CLKSEL_CON(9), 0,
380 RK2928_CLKGATE_CON(0), 14, GFLAGS,
381 &common_spdif_fracmux),
382
383 /*
384 * Clock-Architecture Diagram 4
385 */
386
387 GATE(SCLK_SMC, "sclk_smc", "hclk_peri",
388 RK2928_CLKGATE_CON(2), 4, 0, GFLAGS),
389
390 COMPOSITE_NOMUX(SCLK_SPI0, "sclk_spi0", "pclk_peri", 0,
391 RK2928_CLKSEL_CON(25), 0, 7, DFLAGS,
392 RK2928_CLKGATE_CON(2), 9, GFLAGS),
393 COMPOSITE_NOMUX(SCLK_SPI1, "sclk_spi1", "pclk_peri", 0,
394 RK2928_CLKSEL_CON(25), 8, 7, DFLAGS,
395 RK2928_CLKGATE_CON(2), 10, GFLAGS),
396
397 COMPOSITE_NOMUX(SCLK_SDMMC, "sclk_sdmmc", "hclk_peri", 0,
398 RK2928_CLKSEL_CON(11), 0, 6, DFLAGS,
399 RK2928_CLKGATE_CON(2), 11, GFLAGS),
400 COMPOSITE_NOMUX(SCLK_SDIO, "sclk_sdio", "hclk_peri", 0,
401 RK2928_CLKSEL_CON(12), 0, 6, DFLAGS,
402 RK2928_CLKGATE_CON(2), 13, GFLAGS),
403 COMPOSITE_NOMUX(SCLK_EMMC, "sclk_emmc", "hclk_peri", 0,
404 RK2928_CLKSEL_CON(12), 8, 6, DFLAGS,
405 RK2928_CLKGATE_CON(2), 14, GFLAGS),
406
407 MUX(0, "uart_src", mux_pll_src_gpll_cpll_p, 0,
408 RK2928_CLKSEL_CON(12), 15, 1, MFLAGS),
409 COMPOSITE_NOMUX(0, "uart0_pre", "uart_src", 0,
410 RK2928_CLKSEL_CON(13), 0, 7, DFLAGS,
411 RK2928_CLKGATE_CON(1), 8, GFLAGS),
412 COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_pre", 0,
413 RK2928_CLKSEL_CON(17), 0,
414 RK2928_CLKGATE_CON(1), 9, GFLAGS,
415 &common_uart0_fracmux),
416 COMPOSITE_NOMUX(0, "uart1_pre", "uart_src", 0,
417 RK2928_CLKSEL_CON(14), 0, 7, DFLAGS,
418 RK2928_CLKGATE_CON(1), 10, GFLAGS),
419 COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_pre", 0,
420 RK2928_CLKSEL_CON(18), 0,
421 RK2928_CLKGATE_CON(1), 11, GFLAGS,
422 &common_uart1_fracmux),
423 COMPOSITE_NOMUX(0, "uart2_pre", "uart_src", 0,
424 RK2928_CLKSEL_CON(15), 0, 7, DFLAGS,
425 RK2928_CLKGATE_CON(1), 12, GFLAGS),
426 COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_pre", 0,
427 RK2928_CLKSEL_CON(19), 0,
428 RK2928_CLKGATE_CON(1), 13, GFLAGS,
429 &common_uart2_fracmux),
430 COMPOSITE_NOMUX(0, "uart3_pre", "uart_src", 0,
431 RK2928_CLKSEL_CON(16), 0, 7, DFLAGS,
432 RK2928_CLKGATE_CON(1), 14, GFLAGS),
433 COMPOSITE_FRACMUX(0, "uart3_frac", "uart3_pre", 0,
434 RK2928_CLKSEL_CON(20), 0,
435 RK2928_CLKGATE_CON(1), 15, GFLAGS,
436 &common_uart3_fracmux),
437
438 GATE(SCLK_JTAG, "jtag", "ext_jtag", 0, RK2928_CLKGATE_CON(1), 3, GFLAGS),
439
440 GATE(SCLK_TIMER0, "timer0", "xin24m", 0, RK2928_CLKGATE_CON(1), 0, GFLAGS),
441 GATE(SCLK_TIMER1, "timer1", "xin24m", 0, RK2928_CLKGATE_CON(1), 1, GFLAGS),
442
443 /* clk_core_pre gates */
444 GATE(0, "core_dbg", "armclk", 0, RK2928_CLKGATE_CON(9), 0, GFLAGS),
445
446 /* aclk_cpu gates */
447 GATE(ACLK_DMA1, "aclk_dma1", "aclk_cpu", 0, RK2928_CLKGATE_CON(5), 0, GFLAGS),
448 GATE(0, "aclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS),
449 GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS),
450
451 /* hclk_cpu gates */
452 GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", 0, RK2928_CLKGATE_CON(5), 6, GFLAGS),
453 GATE(HCLK_I2S0, "hclk_i2s0", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),
454 GATE(HCLK_SPDIF, "hclk_spdif", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 1, GFLAGS),
455 GATE(0, "hclk_cpubus", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 8, GFLAGS),
456 /* hclk_ahb2apb is part of a clk branch */
457 GATE(0, "hclk_vio_bus", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 12, GFLAGS),
458 GATE(HCLK_LCDC0, "hclk_lcdc0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 1, GFLAGS),
459 GATE(HCLK_LCDC1, "hclk_lcdc1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 2, GFLAGS),
460 GATE(HCLK_CIF0, "hclk_cif0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 4, GFLAGS),
461 GATE(HCLK_IPP, "hclk_ipp", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 9, GFLAGS),
462 GATE(HCLK_RGA, "hclk_rga", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS),
463
464 /* hclk_peri gates */
465 GATE(0, "hclk_peri_axi_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS),
466 GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 6, GFLAGS),
467 GATE(0, "hclk_emem_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 7, GFLAGS),
468 GATE(HCLK_EMAC, "hclk_emac", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS),
469 GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS),
470 GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 5, GFLAGS),
471 GATE(HCLK_OTG0, "hclk_usbotg0", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 13, GFLAGS),
472 GATE(HCLK_HSADC, "hclk_hsadc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 5, GFLAGS),
473 GATE(HCLK_PIDF, "hclk_pidfilter", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 6, GFLAGS),
474 GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS),
475 GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS),
476 GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 12, GFLAGS),
477
478 /* aclk_lcdc0_pre gates */
479 GATE(0, "aclk_vio0", "aclk_lcdc0_pre", 0, RK2928_CLKGATE_CON(6), 13, GFLAGS),
480 GATE(ACLK_LCDC0, "aclk_lcdc0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 0, GFLAGS),
481 GATE(ACLK_CIF0, "aclk_cif0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 5, GFLAGS),
482 GATE(ACLK_IPP, "aclk_ipp", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 8, GFLAGS),
483
484 /* aclk_lcdc1_pre gates */
485 GATE(0, "aclk_vio1", "aclk_lcdc1_pre", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS),
486 GATE(ACLK_LCDC1, "aclk_lcdc1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 3, GFLAGS),
487 GATE(ACLK_RGA, "aclk_rga", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 11, GFLAGS),
488
489 /* atclk_cpu gates */
490 GATE(0, "atclk", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 3, GFLAGS),
491 GATE(0, "trace", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS),
492
493 /* pclk_cpu gates */
494 GATE(PCLK_PWM01, "pclk_pwm01", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS),
495 GATE(PCLK_TIMER0, "pclk_timer0", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 7, GFLAGS),
496 GATE(PCLK_I2C0, "pclk_i2c0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS),
497 GATE(PCLK_I2C1, "pclk_i2c1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS),
498 GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS),
499 GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS),
500 GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS),
501 GATE(PCLK_EFUSE, "pclk_efuse", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS),
502 GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 3, GFLAGS),
503 GATE(0, "pclk_ddrupctl", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 7, GFLAGS),
504 GATE(0, "pclk_ddrpubl", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS),
505 GATE(0, "pclk_dbg", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 1, GFLAGS),
506 GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS),
507 GATE(PCLK_PMU, "pclk_pmu", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 5, GFLAGS),
508
509 /* aclk_peri */
510 GATE(ACLK_DMA2, "aclk_dma2", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS),
511 GATE(ACLK_SMC, "aclk_smc", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 8, GFLAGS),
512 GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 4, GFLAGS),
513 GATE(0, "aclk_cpu_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS),
514 GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS),
515
516 /* pclk_peri gates */
517 GATE(0, "pclk_peri_axi_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS),
518 GATE(PCLK_PWM23, "pclk_pwm23", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 11, GFLAGS),
519 GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
520 GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS),
521 GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 13, GFLAGS),
522 GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS),
523 GATE(PCLK_UART3, "pclk_uart3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 3, GFLAGS),
524 GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS),
525 GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS),
526 GATE(PCLK_I2C4, "pclk_i2c4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 8, GFLAGS),
527 GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS),
528 GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS),
529 };
530
531 PNAME(mux_rk3066_lcdc0_p) = { "dclk_lcdc0_src", "xin27m" };
532 PNAME(mux_rk3066_lcdc1_p) = { "dclk_lcdc1_src", "xin27m" };
533 PNAME(mux_sclk_cif1_p) = { "cif1_pre", "xin24m" };
534 PNAME(mux_sclk_i2s1_p) = { "i2s1_pre", "i2s1_frac", "xin12m" };
535 PNAME(mux_sclk_i2s2_p) = { "i2s2_pre", "i2s2_frac", "xin12m" };
536
537 static struct clk_div_table div_aclk_cpu_t[] = {
538 { .val = 0, .div = 1 },
539 { .val = 1, .div = 2 },
540 { .val = 2, .div = 3 },
541 { .val = 3, .div = 4 },
542 { .val = 4, .div = 8 },
543 { /* sentinel */ },
544 };
545
546 static struct rockchip_clk_branch rk3066a_i2s0_fracmux __initdata =
547 MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0,
548 RK2928_CLKSEL_CON(2), 8, 2, MFLAGS);
549
550 static struct rockchip_clk_branch rk3066a_i2s1_fracmux __initdata =
551 MUX(SCLK_I2S1, "sclk_i2s1", mux_sclk_i2s1_p, 0,
552 RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
553
554 static struct rockchip_clk_branch rk3066a_i2s2_fracmux __initdata =
555 MUX(SCLK_I2S2, "sclk_i2s2", mux_sclk_i2s2_p, 0,
556 RK2928_CLKSEL_CON(4), 8, 2, MFLAGS);
557
558 static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = {
559 DIVTBL(0, "aclk_cpu_pre", "armclk", 0,
560 RK2928_CLKSEL_CON(1), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, div_aclk_cpu_t),
561 DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
562 RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
563 | CLK_DIVIDER_READ_ONLY),
564 DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
565 RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
566 | CLK_DIVIDER_READ_ONLY),
567 COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
568 RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
569 | CLK_DIVIDER_READ_ONLY,
570 RK2928_CLKGATE_CON(4), 9, GFLAGS),
571
572 GATE(CORE_L2C, "core_l2c", "aclk_cpu", CLK_IGNORE_UNUSED,
573 RK2928_CLKGATE_CON(9), 4, GFLAGS),
574
575 COMPOSITE(0, "aclk_peri_pre", mux_pll_src_gpll_cpll_p, 0,
576 RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
577 RK2928_CLKGATE_CON(2), 0, GFLAGS),
578
579 COMPOSITE(0, "dclk_lcdc0_src", mux_pll_src_cpll_gpll_p, 0,
580 RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
581 RK2928_CLKGATE_CON(3), 1, GFLAGS),
582 MUX(DCLK_LCDC0, "dclk_lcdc0", mux_rk3066_lcdc0_p, 0,
583 RK2928_CLKSEL_CON(27), 4, 1, MFLAGS),
584 COMPOSITE(0, "dclk_lcdc1_src", mux_pll_src_cpll_gpll_p, 0,
585 RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
586 RK2928_CLKGATE_CON(3), 2, GFLAGS),
587 MUX(DCLK_LCDC1, "dclk_lcdc1", mux_rk3066_lcdc1_p, 0,
588 RK2928_CLKSEL_CON(28), 4, 1, MFLAGS),
589
590 COMPOSITE_NOMUX(0, "cif1_pre", "cif_src", 0,
591 RK2928_CLKSEL_CON(29), 8, 5, DFLAGS,
592 RK2928_CLKGATE_CON(3), 8, GFLAGS),
593 MUX(SCLK_CIF1, "sclk_cif1", mux_sclk_cif1_p, 0,
594 RK2928_CLKSEL_CON(29), 15, 1, MFLAGS),
595
596 GATE(0, "pclkin_cif1", "ext_cif1", 0,
597 RK2928_CLKGATE_CON(3), 4, GFLAGS),
598 INVERTER(0, "pclk_cif1", "pclkin_cif1",
599 RK2928_CLKSEL_CON(30), 12, IFLAGS),
600
601 COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
602 RK2928_CLKSEL_CON(33), 8, 1, MFLAGS, 0, 5, DFLAGS,
603 RK2928_CLKGATE_CON(3), 13, GFLAGS),
604 GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
605 RK2928_CLKGATE_CON(5), 15, GFLAGS),
606
607 GATE(SCLK_TIMER2, "timer2", "xin24m", 0,
608 RK2928_CLKGATE_CON(3), 2, GFLAGS),
609
610 COMPOSITE_NOMUX(SCLK_TSADC, "sclk_tsadc", "xin24m", 0,
611 RK2928_CLKSEL_CON(34), 0, 16, DFLAGS,
612 RK2928_CLKGATE_CON(2), 15, GFLAGS),
613
614 MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
615 RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
616 COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
617 RK2928_CLKSEL_CON(2), 0, 7, DFLAGS,
618 RK2928_CLKGATE_CON(0), 7, GFLAGS),
619 COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", 0,
620 RK2928_CLKSEL_CON(6), 0,
621 RK2928_CLKGATE_CON(0), 8, GFLAGS,
622 &rk3066a_i2s0_fracmux),
623 COMPOSITE_NOMUX(0, "i2s1_pre", "i2s_src", 0,
624 RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
625 RK2928_CLKGATE_CON(0), 9, GFLAGS),
626 COMPOSITE_FRACMUX(0, "i2s1_frac", "i2s1_pre", 0,
627 RK2928_CLKSEL_CON(7), 0,
628 RK2928_CLKGATE_CON(0), 10, GFLAGS,
629 &rk3066a_i2s1_fracmux),
630 COMPOSITE_NOMUX(0, "i2s2_pre", "i2s_src", 0,
631 RK2928_CLKSEL_CON(4), 0, 7, DFLAGS,
632 RK2928_CLKGATE_CON(0), 11, GFLAGS),
633 COMPOSITE_FRACMUX(0, "i2s2_frac", "i2s2_pre", 0,
634 RK2928_CLKSEL_CON(8), 0,
635 RK2928_CLKGATE_CON(0), 12, GFLAGS,
636 &rk3066a_i2s2_fracmux),
637
638 GATE(HCLK_I2S1, "hclk_i2s1", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS),
639 GATE(HCLK_I2S2, "hclk_i2s2", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
640 GATE(0, "hclk_cif1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 6, GFLAGS),
641 GATE(0, "hclk_hdmi", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
642
643 GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
644 RK2928_CLKGATE_CON(5), 14, GFLAGS),
645
646 GATE(0, "aclk_cif1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 7, GFLAGS),
647
648 GATE(PCLK_TIMER1, "pclk_timer1", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 8, GFLAGS),
649 GATE(PCLK_TIMER2, "pclk_timer2", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
650 GATE(PCLK_GPIO6, "pclk_gpio6", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 15, GFLAGS),
651 GATE(PCLK_UART0, "pclk_uart0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
652 GATE(PCLK_UART1, "pclk_uart1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
653
654 GATE(PCLK_GPIO4, "pclk_gpio4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
655 GATE(PCLK_TSADC, "pclk_tsadc", "pclk_peri", 0, RK2928_CLKGATE_CON(4), 13, GFLAGS),
656 };
657
658 static struct clk_div_table div_rk3188_aclk_core_t[] = {
659 { .val = 0, .div = 1 },
660 { .val = 1, .div = 2 },
661 { .val = 2, .div = 3 },
662 { .val = 3, .div = 4 },
663 { .val = 4, .div = 8 },
664 { /* sentinel */ },
665 };
666
667 PNAME(mux_hsicphy_p) = { "sclk_otgphy0_480m", "sclk_otgphy1_480m",
668 "gpll", "cpll" };
669
670 static struct rockchip_clk_branch rk3188_i2s0_fracmux __initdata =
671 MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, CLK_SET_RATE_PARENT,
672 RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
673
674 static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
675 COMPOSITE_NOMUX_DIVTBL(0, "aclk_core", "armclk", CLK_IGNORE_UNUSED,
676 RK2928_CLKSEL_CON(1), 3, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
677 div_rk3188_aclk_core_t, RK2928_CLKGATE_CON(0), 7, GFLAGS),
678
679 /* do not source aclk_cpu_pre from the apll, to keep complexity down */
680 COMPOSITE_NOGATE(0, "aclk_cpu_pre", mux_aclk_cpu_p, CLK_SET_RATE_NO_REPARENT,
681 RK2928_CLKSEL_CON(0), 5, 1, MFLAGS, 0, 5, DFLAGS),
682 DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
683 RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
684 DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
685 RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
686 COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
687 RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
688 RK2928_CLKGATE_CON(4), 9, GFLAGS),
689
690 GATE(CORE_L2C, "core_l2c", "armclk", CLK_IGNORE_UNUSED,
691 RK2928_CLKGATE_CON(9), 4, GFLAGS),
692
693 COMPOSITE(0, "aclk_peri_pre", mux_pll_src_cpll_gpll_p, 0,
694 RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
695 RK2928_CLKGATE_CON(2), 0, GFLAGS),
696
697 COMPOSITE(DCLK_LCDC0, "dclk_lcdc0", mux_pll_src_cpll_gpll_p, 0,
698 RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
699 RK2928_CLKGATE_CON(3), 1, GFLAGS),
700 COMPOSITE(DCLK_LCDC1, "dclk_lcdc1", mux_pll_src_cpll_gpll_p, 0,
701 RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
702 RK2928_CLKGATE_CON(3), 2, GFLAGS),
703
704 COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
705 RK2928_CLKSEL_CON(34), 7, 1, MFLAGS, 0, 5, DFLAGS,
706 RK2928_CLKGATE_CON(3), 15, GFLAGS),
707 GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
708 RK2928_CLKGATE_CON(9), 7, GFLAGS),
709
710 GATE(SCLK_TIMER2, "timer2", "xin24m", 0, RK2928_CLKGATE_CON(3), 4, GFLAGS),
711 GATE(SCLK_TIMER3, "timer3", "xin24m", 0, RK2928_CLKGATE_CON(1), 2, GFLAGS),
712 GATE(SCLK_TIMER4, "timer4", "xin24m", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
713 GATE(SCLK_TIMER5, "timer5", "xin24m", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
714 GATE(SCLK_TIMER6, "timer6", "xin24m", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
715
716 COMPOSITE_NODIV(0, "sclk_hsicphy_480m", mux_hsicphy_p, 0,
717 RK2928_CLKSEL_CON(30), 0, 2, DFLAGS,
718 RK2928_CLKGATE_CON(3), 6, GFLAGS),
719 DIV(0, "sclk_hsicphy_12m", "sclk_hsicphy_480m", 0,
720 RK2928_CLKSEL_CON(11), 8, 6, DFLAGS),
721
722 MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
723 RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
724 COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
725 RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
726 RK2928_CLKGATE_CON(0), 9, GFLAGS),
727 COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", CLK_SET_RATE_PARENT,
728 RK2928_CLKSEL_CON(7), 0,
729 RK2928_CLKGATE_CON(0), 10, GFLAGS,
730 &rk3188_i2s0_fracmux),
731
732 GATE(0, "hclk_imem0", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
733 GATE(0, "hclk_imem1", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 15, GFLAGS),
734
735 GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
736 RK2928_CLKGATE_CON(7), 3, GFLAGS),
737 GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
738
739 GATE(PCLK_TIMER3, "pclk_timer3", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
740
741 GATE(PCLK_UART0, "pclk_uart0", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
742 GATE(PCLK_UART1, "pclk_uart1", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
743
744 GATE(ACLK_GPS, "aclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
745 };
746
747 static const char *const rk3188_critical_clocks[] __initconst = {
748 "aclk_cpu",
749 "aclk_peri",
750 "hclk_peri",
751 "pclk_cpu",
752 "pclk_peri",
753 "hclk_cpubus"
754 };
755
756 static void __init rk3188_common_clk_init(struct device_node *np)
757 {
758 void __iomem *reg_base;
759
760 reg_base = of_iomap(np, 0);
761 if (!reg_base) {
762 pr_err("%s: could not map cru region\n", __func__);
763 return;
764 }
765
766 rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
767
768 rockchip_clk_register_branches(common_clk_branches,
769 ARRAY_SIZE(common_clk_branches));
770
771 rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
772 ROCKCHIP_SOFTRST_HIWORD_MASK);
773
774 rockchip_register_restart_notifier(RK2928_GLB_SRST_FST, NULL);
775 }
776
777 static void __init rk3066a_clk_init(struct device_node *np)
778 {
779 rk3188_common_clk_init(np);
780 rockchip_clk_register_plls(rk3066_pll_clks,
781 ARRAY_SIZE(rk3066_pll_clks),
782 RK3066_GRF_SOC_STATUS);
783 rockchip_clk_register_branches(rk3066a_clk_branches,
784 ARRAY_SIZE(rk3066a_clk_branches));
785 rockchip_clk_register_armclk(ARMCLK, "armclk",
786 mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
787 &rk3066_cpuclk_data, rk3066_cpuclk_rates,
788 ARRAY_SIZE(rk3066_cpuclk_rates));
789 rockchip_clk_protect_critical(rk3188_critical_clocks,
790 ARRAY_SIZE(rk3188_critical_clocks));
791 }
792 CLK_OF_DECLARE(rk3066a_cru, "rockchip,rk3066a-cru", rk3066a_clk_init);
793
794 static void __init rk3188a_clk_init(struct device_node *np)
795 {
796 struct clk *clk1, *clk2;
797 unsigned long rate;
798 int ret;
799
800 rk3188_common_clk_init(np);
801 rockchip_clk_register_plls(rk3188_pll_clks,
802 ARRAY_SIZE(rk3188_pll_clks),
803 RK3188_GRF_SOC_STATUS);
804 rockchip_clk_register_branches(rk3188_clk_branches,
805 ARRAY_SIZE(rk3188_clk_branches));
806 rockchip_clk_register_armclk(ARMCLK, "armclk",
807 mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
808 &rk3188_cpuclk_data, rk3188_cpuclk_rates,
809 ARRAY_SIZE(rk3188_cpuclk_rates));
810
811 /* reparent aclk_cpu_pre from apll */
812 clk1 = __clk_lookup("aclk_cpu_pre");
813 clk2 = __clk_lookup("gpll");
814 if (clk1 && clk2) {
815 rate = clk_get_rate(clk1);
816
817 ret = clk_set_parent(clk1, clk2);
818 if (ret < 0)
819 pr_warn("%s: could not reparent aclk_cpu_pre to gpll\n",
820 __func__);
821
822 clk_set_rate(clk1, rate);
823 } else {
824 pr_warn("%s: missing clocks to reparent aclk_cpu_pre to gpll\n",
825 __func__);
826 }
827
828 rockchip_clk_protect_critical(rk3188_critical_clocks,
829 ARRAY_SIZE(rk3188_critical_clocks));
830 }
831 CLK_OF_DECLARE(rk3188a_cru, "rockchip,rk3188a-cru", rk3188a_clk_init);
832
833 static void __init rk3188_clk_init(struct device_node *np)
834 {
835 int i;
836
837 for (i = 0; i < ARRAY_SIZE(rk3188_pll_clks); i++) {
838 struct rockchip_pll_clock *pll = &rk3188_pll_clks[i];
839 struct rockchip_pll_rate_table *rate;
840
841 if (!pll->rate_table)
842 continue;
843
844 rate = pll->rate_table;
845 while (rate->rate > 0) {
846 rate->nb = 1;
847 rate++;
848 }
849 }
850
851 rk3188a_clk_init(np);
852 }
853 CLK_OF_DECLARE(rk3188_cru, "rockchip,rk3188-cru", rk3188_clk_init);
Linux kernel - Deliverables
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