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Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
[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 /*
343 * the 480m are generated inside the usb block from these clocks,
344 * but they are also a source for the hsicphy clock.
345 */
346 GATE(SCLK_OTGPHY0, "sclk_otgphy0", "usb480m", CLK_IGNORE_UNUSED,
347 RK2928_CLKGATE_CON(1), 5, GFLAGS),
348 GATE(SCLK_OTGPHY1, "sclk_otgphy1", "usb480m", CLK_IGNORE_UNUSED,
349 RK2928_CLKGATE_CON(1), 6, GFLAGS),
350
351 COMPOSITE(0, "mac_src", mux_mac_p, 0,
352 RK2928_CLKSEL_CON(21), 0, 1, MFLAGS, 8, 5, DFLAGS,
353 RK2928_CLKGATE_CON(2), 5, GFLAGS),
354 MUX(SCLK_MAC, "sclk_macref", mux_sclk_macref_p, CLK_SET_RATE_PARENT,
355 RK2928_CLKSEL_CON(21), 4, 1, MFLAGS),
356 GATE(0, "sclk_mac_lbtest", "sclk_macref",
357 RK2928_CLKGATE_CON(2), 12, 0, GFLAGS),
358
359 COMPOSITE(0, "hsadc_src", mux_pll_src_gpll_cpll_p, 0,
360 RK2928_CLKSEL_CON(22), 0, 1, MFLAGS, 8, 8, DFLAGS,
361 RK2928_CLKGATE_CON(2), 6, GFLAGS),
362 COMPOSITE_FRACMUX(0, "hsadc_frac", "hsadc_src", 0,
363 RK2928_CLKSEL_CON(23), 0,
364 RK2928_CLKGATE_CON(2), 7, GFLAGS,
365 &common_hsadc_out_fracmux),
366 INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out",
367 RK2928_CLKSEL_CON(22), 7, IFLAGS),
368
369 COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
370 RK2928_CLKSEL_CON(24), 8, 8, DFLAGS,
371 RK2928_CLKGATE_CON(2), 8, GFLAGS),
372
373 COMPOSITE_NOMUX(0, "spdif_pre", "i2s_src", 0,
374 RK2928_CLKSEL_CON(5), 0, 7, DFLAGS,
375 RK2928_CLKGATE_CON(0), 13, GFLAGS),
376 COMPOSITE_FRACMUX(0, "spdif_frac", "spdif_pll", CLK_SET_RATE_PARENT,
377 RK2928_CLKSEL_CON(9), 0,
378 RK2928_CLKGATE_CON(0), 14, GFLAGS,
379 &common_spdif_fracmux),
380
381 /*
382 * Clock-Architecture Diagram 4
383 */
384
385 GATE(SCLK_SMC, "sclk_smc", "hclk_peri",
386 RK2928_CLKGATE_CON(2), 4, 0, GFLAGS),
387
388 COMPOSITE_NOMUX(SCLK_SPI0, "sclk_spi0", "pclk_peri", 0,
389 RK2928_CLKSEL_CON(25), 0, 7, DFLAGS,
390 RK2928_CLKGATE_CON(2), 9, GFLAGS),
391 COMPOSITE_NOMUX(SCLK_SPI1, "sclk_spi1", "pclk_peri", 0,
392 RK2928_CLKSEL_CON(25), 8, 7, DFLAGS,
393 RK2928_CLKGATE_CON(2), 10, GFLAGS),
394
395 COMPOSITE_NOMUX(SCLK_SDMMC, "sclk_sdmmc", "hclk_peri", 0,
396 RK2928_CLKSEL_CON(11), 0, 6, DFLAGS,
397 RK2928_CLKGATE_CON(2), 11, GFLAGS),
398 COMPOSITE_NOMUX(SCLK_SDIO, "sclk_sdio", "hclk_peri", 0,
399 RK2928_CLKSEL_CON(12), 0, 6, DFLAGS,
400 RK2928_CLKGATE_CON(2), 13, GFLAGS),
401 COMPOSITE_NOMUX(SCLK_EMMC, "sclk_emmc", "hclk_peri", 0,
402 RK2928_CLKSEL_CON(12), 8, 6, DFLAGS,
403 RK2928_CLKGATE_CON(2), 14, GFLAGS),
404
405 MUX(0, "uart_src", mux_pll_src_gpll_cpll_p, 0,
406 RK2928_CLKSEL_CON(12), 15, 1, MFLAGS),
407 COMPOSITE_NOMUX(0, "uart0_pre", "uart_src", 0,
408 RK2928_CLKSEL_CON(13), 0, 7, DFLAGS,
409 RK2928_CLKGATE_CON(1), 8, GFLAGS),
410 COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_pre", 0,
411 RK2928_CLKSEL_CON(17), 0,
412 RK2928_CLKGATE_CON(1), 9, GFLAGS,
413 &common_uart0_fracmux),
414 COMPOSITE_NOMUX(0, "uart1_pre", "uart_src", 0,
415 RK2928_CLKSEL_CON(14), 0, 7, DFLAGS,
416 RK2928_CLKGATE_CON(1), 10, GFLAGS),
417 COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_pre", 0,
418 RK2928_CLKSEL_CON(18), 0,
419 RK2928_CLKGATE_CON(1), 11, GFLAGS,
420 &common_uart1_fracmux),
421 COMPOSITE_NOMUX(0, "uart2_pre", "uart_src", 0,
422 RK2928_CLKSEL_CON(15), 0, 7, DFLAGS,
423 RK2928_CLKGATE_CON(1), 12, GFLAGS),
424 COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_pre", 0,
425 RK2928_CLKSEL_CON(19), 0,
426 RK2928_CLKGATE_CON(1), 13, GFLAGS,
427 &common_uart2_fracmux),
428 COMPOSITE_NOMUX(0, "uart3_pre", "uart_src", 0,
429 RK2928_CLKSEL_CON(16), 0, 7, DFLAGS,
430 RK2928_CLKGATE_CON(1), 14, GFLAGS),
431 COMPOSITE_FRACMUX(0, "uart3_frac", "uart3_pre", 0,
432 RK2928_CLKSEL_CON(20), 0,
433 RK2928_CLKGATE_CON(1), 15, GFLAGS,
434 &common_uart3_fracmux),
435
436 GATE(SCLK_JTAG, "jtag", "ext_jtag", 0, RK2928_CLKGATE_CON(1), 3, GFLAGS),
437
438 GATE(SCLK_TIMER0, "timer0", "xin24m", 0, RK2928_CLKGATE_CON(1), 0, GFLAGS),
439 GATE(SCLK_TIMER1, "timer1", "xin24m", 0, RK2928_CLKGATE_CON(1), 1, GFLAGS),
440
441 /* clk_core_pre gates */
442 GATE(0, "core_dbg", "armclk", 0, RK2928_CLKGATE_CON(9), 0, GFLAGS),
443
444 /* aclk_cpu gates */
445 GATE(ACLK_DMA1, "aclk_dma1", "aclk_cpu", 0, RK2928_CLKGATE_CON(5), 0, GFLAGS),
446 GATE(0, "aclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS),
447 GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS),
448
449 /* hclk_cpu gates */
450 GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", 0, RK2928_CLKGATE_CON(5), 6, GFLAGS),
451 GATE(HCLK_I2S0, "hclk_i2s0", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),
452 GATE(HCLK_SPDIF, "hclk_spdif", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 1, GFLAGS),
453 GATE(0, "hclk_cpubus", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 8, GFLAGS),
454 /* hclk_ahb2apb is part of a clk branch */
455 GATE(0, "hclk_vio_bus", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 12, GFLAGS),
456 GATE(HCLK_LCDC0, "hclk_lcdc0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 1, GFLAGS),
457 GATE(HCLK_LCDC1, "hclk_lcdc1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 2, GFLAGS),
458 GATE(HCLK_CIF0, "hclk_cif0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 4, GFLAGS),
459 GATE(HCLK_IPP, "hclk_ipp", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 9, GFLAGS),
460 GATE(HCLK_RGA, "hclk_rga", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS),
461
462 /* hclk_peri gates */
463 GATE(0, "hclk_peri_axi_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS),
464 GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 6, GFLAGS),
465 GATE(0, "hclk_emem_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 7, GFLAGS),
466 GATE(HCLK_EMAC, "hclk_emac", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS),
467 GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS),
468 GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 5, GFLAGS),
469 GATE(HCLK_OTG0, "hclk_usbotg0", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 13, GFLAGS),
470 GATE(HCLK_HSADC, "hclk_hsadc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 5, GFLAGS),
471 GATE(HCLK_PIDF, "hclk_pidfilter", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 6, GFLAGS),
472 GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS),
473 GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS),
474 GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 12, GFLAGS),
475
476 /* aclk_lcdc0_pre gates */
477 GATE(0, "aclk_vio0", "aclk_lcdc0_pre", 0, RK2928_CLKGATE_CON(6), 13, GFLAGS),
478 GATE(ACLK_LCDC0, "aclk_lcdc0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 0, GFLAGS),
479 GATE(ACLK_CIF0, "aclk_cif0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 5, GFLAGS),
480 GATE(ACLK_IPP, "aclk_ipp", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 8, GFLAGS),
481
482 /* aclk_lcdc1_pre gates */
483 GATE(0, "aclk_vio1", "aclk_lcdc1_pre", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS),
484 GATE(ACLK_LCDC1, "aclk_lcdc1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 3, GFLAGS),
485 GATE(ACLK_RGA, "aclk_rga", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 11, GFLAGS),
486
487 /* atclk_cpu gates */
488 GATE(0, "atclk", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 3, GFLAGS),
489 GATE(0, "trace", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS),
490
491 /* pclk_cpu gates */
492 GATE(PCLK_PWM01, "pclk_pwm01", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS),
493 GATE(PCLK_TIMER0, "pclk_timer0", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 7, GFLAGS),
494 GATE(PCLK_I2C0, "pclk_i2c0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS),
495 GATE(PCLK_I2C1, "pclk_i2c1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS),
496 GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS),
497 GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS),
498 GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS),
499 GATE(PCLK_EFUSE, "pclk_efuse", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS),
500 GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 3, GFLAGS),
501 GATE(0, "pclk_ddrupctl", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 7, GFLAGS),
502 GATE(0, "pclk_ddrpubl", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS),
503 GATE(0, "pclk_dbg", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 1, GFLAGS),
504 GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS),
505 GATE(PCLK_PMU, "pclk_pmu", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 5, GFLAGS),
506
507 /* aclk_peri */
508 GATE(ACLK_DMA2, "aclk_dma2", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS),
509 GATE(ACLK_SMC, "aclk_smc", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 8, GFLAGS),
510 GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 4, GFLAGS),
511 GATE(0, "aclk_cpu_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS),
512 GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS),
513
514 /* pclk_peri gates */
515 GATE(0, "pclk_peri_axi_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS),
516 GATE(PCLK_PWM23, "pclk_pwm23", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 11, GFLAGS),
517 GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
518 GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS),
519 GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 13, GFLAGS),
520 GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS),
521 GATE(PCLK_UART3, "pclk_uart3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 3, GFLAGS),
522 GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS),
523 GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS),
524 GATE(PCLK_I2C4, "pclk_i2c4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 8, GFLAGS),
525 GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS),
526 GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS),
527 };
528
529 PNAME(mux_rk3066_lcdc0_p) = { "dclk_lcdc0_src", "xin27m" };
530 PNAME(mux_rk3066_lcdc1_p) = { "dclk_lcdc1_src", "xin27m" };
531 PNAME(mux_sclk_cif1_p) = { "cif1_pre", "xin24m" };
532 PNAME(mux_sclk_i2s1_p) = { "i2s1_pre", "i2s1_frac", "xin12m" };
533 PNAME(mux_sclk_i2s2_p) = { "i2s2_pre", "i2s2_frac", "xin12m" };
534
535 static struct clk_div_table div_aclk_cpu_t[] = {
536 { .val = 0, .div = 1 },
537 { .val = 1, .div = 2 },
538 { .val = 2, .div = 3 },
539 { .val = 3, .div = 4 },
540 { .val = 4, .div = 8 },
541 { /* sentinel */ },
542 };
543
544 static struct rockchip_clk_branch rk3066a_i2s0_fracmux __initdata =
545 MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0,
546 RK2928_CLKSEL_CON(2), 8, 2, MFLAGS);
547
548 static struct rockchip_clk_branch rk3066a_i2s1_fracmux __initdata =
549 MUX(SCLK_I2S1, "sclk_i2s1", mux_sclk_i2s1_p, 0,
550 RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
551
552 static struct rockchip_clk_branch rk3066a_i2s2_fracmux __initdata =
553 MUX(SCLK_I2S2, "sclk_i2s2", mux_sclk_i2s2_p, 0,
554 RK2928_CLKSEL_CON(4), 8, 2, MFLAGS);
555
556 static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = {
557 DIVTBL(0, "aclk_cpu_pre", "armclk", 0,
558 RK2928_CLKSEL_CON(1), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, div_aclk_cpu_t),
559 DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
560 RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
561 | CLK_DIVIDER_READ_ONLY),
562 DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
563 RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
564 | CLK_DIVIDER_READ_ONLY),
565 COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
566 RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
567 | CLK_DIVIDER_READ_ONLY,
568 RK2928_CLKGATE_CON(4), 9, GFLAGS),
569
570 GATE(CORE_L2C, "core_l2c", "aclk_cpu", CLK_IGNORE_UNUSED,
571 RK2928_CLKGATE_CON(9), 4, GFLAGS),
572
573 COMPOSITE(0, "aclk_peri_pre", mux_pll_src_gpll_cpll_p, 0,
574 RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
575 RK2928_CLKGATE_CON(2), 0, GFLAGS),
576
577 COMPOSITE(0, "dclk_lcdc0_src", mux_pll_src_cpll_gpll_p, 0,
578 RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
579 RK2928_CLKGATE_CON(3), 1, GFLAGS),
580 MUX(DCLK_LCDC0, "dclk_lcdc0", mux_rk3066_lcdc0_p, 0,
581 RK2928_CLKSEL_CON(27), 4, 1, MFLAGS),
582 COMPOSITE(0, "dclk_lcdc1_src", mux_pll_src_cpll_gpll_p, 0,
583 RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
584 RK2928_CLKGATE_CON(3), 2, GFLAGS),
585 MUX(DCLK_LCDC1, "dclk_lcdc1", mux_rk3066_lcdc1_p, 0,
586 RK2928_CLKSEL_CON(28), 4, 1, MFLAGS),
587
588 COMPOSITE_NOMUX(0, "cif1_pre", "cif_src", 0,
589 RK2928_CLKSEL_CON(29), 8, 5, DFLAGS,
590 RK2928_CLKGATE_CON(3), 8, GFLAGS),
591 MUX(SCLK_CIF1, "sclk_cif1", mux_sclk_cif1_p, 0,
592 RK2928_CLKSEL_CON(29), 15, 1, MFLAGS),
593
594 GATE(0, "pclkin_cif1", "ext_cif1", 0,
595 RK2928_CLKGATE_CON(3), 4, GFLAGS),
596 INVERTER(0, "pclk_cif1", "pclkin_cif1",
597 RK2928_CLKSEL_CON(30), 12, IFLAGS),
598
599 COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
600 RK2928_CLKSEL_CON(33), 8, 1, MFLAGS, 0, 5, DFLAGS,
601 RK2928_CLKGATE_CON(3), 13, GFLAGS),
602 GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
603 RK2928_CLKGATE_CON(5), 15, GFLAGS),
604
605 GATE(SCLK_TIMER2, "timer2", "xin24m", 0,
606 RK2928_CLKGATE_CON(3), 2, GFLAGS),
607
608 COMPOSITE_NOMUX(0, "sclk_tsadc", "xin24m", 0,
609 RK2928_CLKSEL_CON(34), 0, 16, DFLAGS,
610 RK2928_CLKGATE_CON(2), 15, GFLAGS),
611
612 MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
613 RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
614 COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
615 RK2928_CLKSEL_CON(2), 0, 7, DFLAGS,
616 RK2928_CLKGATE_CON(0), 7, GFLAGS),
617 COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", 0,
618 RK2928_CLKSEL_CON(6), 0,
619 RK2928_CLKGATE_CON(0), 8, GFLAGS,
620 &rk3066a_i2s0_fracmux),
621 COMPOSITE_NOMUX(0, "i2s1_pre", "i2s_src", 0,
622 RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
623 RK2928_CLKGATE_CON(0), 9, GFLAGS),
624 COMPOSITE_FRACMUX(0, "i2s1_frac", "i2s1_pre", 0,
625 RK2928_CLKSEL_CON(7), 0,
626 RK2928_CLKGATE_CON(0), 10, GFLAGS,
627 &rk3066a_i2s1_fracmux),
628 COMPOSITE_NOMUX(0, "i2s2_pre", "i2s_src", 0,
629 RK2928_CLKSEL_CON(4), 0, 7, DFLAGS,
630 RK2928_CLKGATE_CON(0), 11, GFLAGS),
631 COMPOSITE_FRACMUX(0, "i2s2_frac", "i2s2_pre", 0,
632 RK2928_CLKSEL_CON(8), 0,
633 RK2928_CLKGATE_CON(0), 12, GFLAGS,
634 &rk3066a_i2s2_fracmux),
635
636 GATE(HCLK_I2S1, "hclk_i2s1", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS),
637 GATE(HCLK_I2S2, "hclk_i2s2", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
638 GATE(0, "hclk_cif1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 6, GFLAGS),
639 GATE(0, "hclk_hdmi", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
640
641 GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
642 RK2928_CLKGATE_CON(5), 14, GFLAGS),
643
644 GATE(0, "aclk_cif1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 7, GFLAGS),
645
646 GATE(PCLK_TIMER1, "pclk_timer1", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 8, GFLAGS),
647 GATE(PCLK_TIMER2, "pclk_timer2", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
648 GATE(PCLK_GPIO6, "pclk_gpio6", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 15, GFLAGS),
649 GATE(PCLK_UART0, "pclk_uart0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
650 GATE(PCLK_UART1, "pclk_uart1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
651
652 GATE(PCLK_GPIO4, "pclk_gpio4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
653 GATE(PCLK_TSADC, "pclk_tsadc", "pclk_peri", 0, RK2928_CLKGATE_CON(4), 13, GFLAGS),
654 };
655
656 static struct clk_div_table div_rk3188_aclk_core_t[] = {
657 { .val = 0, .div = 1 },
658 { .val = 1, .div = 2 },
659 { .val = 2, .div = 3 },
660 { .val = 3, .div = 4 },
661 { .val = 4, .div = 8 },
662 { /* sentinel */ },
663 };
664
665 PNAME(mux_hsicphy_p) = { "sclk_otgphy0", "sclk_otgphy1",
666 "gpll", "cpll" };
667
668 static struct rockchip_clk_branch rk3188_i2s0_fracmux __initdata =
669 MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0,
670 RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
671
672 static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
673 COMPOSITE_NOMUX_DIVTBL(0, "aclk_core", "armclk", CLK_IGNORE_UNUSED,
674 RK2928_CLKSEL_CON(1), 3, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
675 div_rk3188_aclk_core_t, RK2928_CLKGATE_CON(0), 7, GFLAGS),
676
677 /* do not source aclk_cpu_pre from the apll, to keep complexity down */
678 COMPOSITE_NOGATE(0, "aclk_cpu_pre", mux_aclk_cpu_p, CLK_SET_RATE_NO_REPARENT,
679 RK2928_CLKSEL_CON(0), 5, 1, MFLAGS, 0, 5, DFLAGS),
680 DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
681 RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
682 DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
683 RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
684 COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
685 RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
686 RK2928_CLKGATE_CON(4), 9, GFLAGS),
687
688 GATE(CORE_L2C, "core_l2c", "armclk", CLK_IGNORE_UNUSED,
689 RK2928_CLKGATE_CON(9), 4, GFLAGS),
690
691 COMPOSITE(0, "aclk_peri_pre", mux_pll_src_cpll_gpll_p, 0,
692 RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
693 RK2928_CLKGATE_CON(2), 0, GFLAGS),
694
695 COMPOSITE(DCLK_LCDC0, "dclk_lcdc0", mux_pll_src_cpll_gpll_p, 0,
696 RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
697 RK2928_CLKGATE_CON(3), 1, GFLAGS),
698 COMPOSITE(DCLK_LCDC1, "dclk_lcdc1", mux_pll_src_cpll_gpll_p, 0,
699 RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
700 RK2928_CLKGATE_CON(3), 2, GFLAGS),
701
702 COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
703 RK2928_CLKSEL_CON(34), 7, 1, MFLAGS, 0, 5, DFLAGS,
704 RK2928_CLKGATE_CON(3), 15, GFLAGS),
705 GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
706 RK2928_CLKGATE_CON(9), 7, GFLAGS),
707
708 GATE(SCLK_TIMER2, "timer2", "xin24m", 0, RK2928_CLKGATE_CON(3), 4, GFLAGS),
709 GATE(SCLK_TIMER3, "timer3", "xin24m", 0, RK2928_CLKGATE_CON(1), 2, GFLAGS),
710 GATE(SCLK_TIMER4, "timer4", "xin24m", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
711 GATE(SCLK_TIMER5, "timer5", "xin24m", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
712 GATE(SCLK_TIMER6, "timer6", "xin24m", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
713
714 COMPOSITE_NODIV(0, "sclk_hsicphy_480m", mux_hsicphy_p, 0,
715 RK2928_CLKSEL_CON(30), 0, 2, DFLAGS,
716 RK2928_CLKGATE_CON(3), 6, GFLAGS),
717 DIV(0, "sclk_hsicphy_12m", "sclk_hsicphy_480m", 0,
718 RK2928_CLKSEL_CON(11), 8, 6, DFLAGS),
719
720 MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
721 RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
722 COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
723 RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
724 RK2928_CLKGATE_CON(0), 9, GFLAGS),
725 COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", 0,
726 RK2928_CLKSEL_CON(7), 0,
727 RK2928_CLKGATE_CON(0), 10, GFLAGS,
728 &rk3188_i2s0_fracmux),
729
730 GATE(0, "hclk_imem0", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
731 GATE(0, "hclk_imem1", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 15, GFLAGS),
732
733 GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
734 RK2928_CLKGATE_CON(7), 3, GFLAGS),
735 GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
736
737 GATE(PCLK_TIMER3, "pclk_timer3", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
738
739 GATE(PCLK_UART0, "pclk_uart0", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
740 GATE(PCLK_UART1, "pclk_uart1", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
741
742 GATE(ACLK_GPS, "aclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
743 };
744
745 static const char *const rk3188_critical_clocks[] __initconst = {
746 "aclk_cpu",
747 "aclk_peri",
748 "hclk_peri",
749 "pclk_cpu",
750 "pclk_peri",
751 };
752
753 static void __init rk3188_common_clk_init(struct device_node *np)
754 {
755 void __iomem *reg_base;
756 struct clk *clk;
757
758 reg_base = of_iomap(np, 0);
759 if (!reg_base) {
760 pr_err("%s: could not map cru region\n", __func__);
761 return;
762 }
763
764 rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
765
766 /* xin12m is created by an cru-internal divider */
767 clk = clk_register_fixed_factor(NULL, "xin12m", "xin24m", 0, 1, 2);
768 if (IS_ERR(clk))
769 pr_warn("%s: could not register clock xin12m: %ld\n",
770 __func__, PTR_ERR(clk));
771
772 clk = clk_register_fixed_factor(NULL, "usb480m", "xin24m", 0, 20, 1);
773 if (IS_ERR(clk))
774 pr_warn("%s: could not register clock usb480m: %ld\n",
775 __func__, PTR_ERR(clk));
776
777 rockchip_clk_register_branches(common_clk_branches,
778 ARRAY_SIZE(common_clk_branches));
779
780 rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
781 ROCKCHIP_SOFTRST_HIWORD_MASK);
782
783 rockchip_register_restart_notifier(RK2928_GLB_SRST_FST, NULL);
784 }
785
786 static void __init rk3066a_clk_init(struct device_node *np)
787 {
788 rk3188_common_clk_init(np);
789 rockchip_clk_register_plls(rk3066_pll_clks,
790 ARRAY_SIZE(rk3066_pll_clks),
791 RK3066_GRF_SOC_STATUS);
792 rockchip_clk_register_branches(rk3066a_clk_branches,
793 ARRAY_SIZE(rk3066a_clk_branches));
794 rockchip_clk_register_armclk(ARMCLK, "armclk",
795 mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
796 &rk3066_cpuclk_data, rk3066_cpuclk_rates,
797 ARRAY_SIZE(rk3066_cpuclk_rates));
798 rockchip_clk_protect_critical(rk3188_critical_clocks,
799 ARRAY_SIZE(rk3188_critical_clocks));
800 }
801 CLK_OF_DECLARE(rk3066a_cru, "rockchip,rk3066a-cru", rk3066a_clk_init);
802
803 static void __init rk3188a_clk_init(struct device_node *np)
804 {
805 struct clk *clk1, *clk2;
806 unsigned long rate;
807 int ret;
808
809 rk3188_common_clk_init(np);
810 rockchip_clk_register_plls(rk3188_pll_clks,
811 ARRAY_SIZE(rk3188_pll_clks),
812 RK3188_GRF_SOC_STATUS);
813 rockchip_clk_register_branches(rk3188_clk_branches,
814 ARRAY_SIZE(rk3188_clk_branches));
815 rockchip_clk_register_armclk(ARMCLK, "armclk",
816 mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
817 &rk3188_cpuclk_data, rk3188_cpuclk_rates,
818 ARRAY_SIZE(rk3188_cpuclk_rates));
819
820 /* reparent aclk_cpu_pre from apll */
821 clk1 = __clk_lookup("aclk_cpu_pre");
822 clk2 = __clk_lookup("gpll");
823 if (clk1 && clk2) {
824 rate = clk_get_rate(clk1);
825
826 ret = clk_set_parent(clk1, clk2);
827 if (ret < 0)
828 pr_warn("%s: could not reparent aclk_cpu_pre to gpll\n",
829 __func__);
830
831 clk_set_rate(clk1, rate);
832 } else {
833 pr_warn("%s: missing clocks to reparent aclk_cpu_pre to gpll\n",
834 __func__);
835 }
836
837 rockchip_clk_protect_critical(rk3188_critical_clocks,
838 ARRAY_SIZE(rk3188_critical_clocks));
839 }
840 CLK_OF_DECLARE(rk3188a_cru, "rockchip,rk3188a-cru", rk3188a_clk_init);
841
842 static void __init rk3188_clk_init(struct device_node *np)
843 {
844 int i;
845
846 for (i = 0; i < ARRAY_SIZE(rk3188_pll_clks); i++) {
847 struct rockchip_pll_clock *pll = &rk3188_pll_clks[i];
848 struct rockchip_pll_rate_table *rate;
849
850 if (!pll->rate_table)
851 continue;
852
853 rate = pll->rate_table;
854 while (rate->rate > 0) {
855 rate->nb = 1;
856 rate++;
857 }
858 }
859
860 rk3188a_clk_init(np);
861 }
862 CLK_OF_DECLARE(rk3188_cru, "rockchip,rk3188-cru", rk3188_clk_init);
Linux kernel - Deliverables
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