1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 2014 MundoReader S.L.
4 * Author: Heiko Stuebner <heiko@sntech.de>
5 */
6
7 #include <linux/clk.h>
8 #include <linux/clk-provider.h>
9 #include <linux/io.h>
10 #include <linux/of.h>
11 #include <linux/of_address.h>
12 #include <dt-bindings/clock/rk3188-cru-common.h>
13 #include "clk.h"
14
15 #define RK3066_GRF_SOC_STATUS 0x15c
16 #define RK3188_GRF_SOC_STATUS 0xac
17
18 enum rk3188_plls {
19 apll, cpll, dpll, gpll,
20 };
21
22 static struct rockchip_pll_rate_table rk3188_pll_rates[] = {
23 RK3066_PLL_RATE(2208000000, 1, 92, 1),
24 RK3066_PLL_RATE(2184000000, 1, 91, 1),
25 RK3066_PLL_RATE(2160000000, 1, 90, 1),
26 RK3066_PLL_RATE(2136000000, 1, 89, 1),
27 RK3066_PLL_RATE(2112000000, 1, 88, 1),
28 RK3066_PLL_RATE(2088000000, 1, 87, 1),
29 RK3066_PLL_RATE(2064000000, 1, 86, 1),
30 RK3066_PLL_RATE(2040000000, 1, 85, 1),
31 RK3066_PLL_RATE(2016000000, 1, 84, 1),
32 RK3066_PLL_RATE(1992000000, 1, 83, 1),
33 RK3066_PLL_RATE(1968000000, 1, 82, 1),
34 RK3066_PLL_RATE(1944000000, 1, 81, 1),
35 RK3066_PLL_RATE(1920000000, 1, 80, 1),
36 RK3066_PLL_RATE(1896000000, 1, 79, 1),
37 RK3066_PLL_RATE(1872000000, 1, 78, 1),
38 RK3066_PLL_RATE(1848000000, 1, 77, 1),
39 RK3066_PLL_RATE(1824000000, 1, 76, 1),
40 RK3066_PLL_RATE(1800000000, 1, 75, 1),
41 RK3066_PLL_RATE(1776000000, 1, 74, 1),
42 RK3066_PLL_RATE(1752000000, 1, 73, 1),
43 RK3066_PLL_RATE(1728000000, 1, 72, 1),
44 RK3066_PLL_RATE(1704000000, 1, 71, 1),
45 RK3066_PLL_RATE(1680000000, 1, 70, 1),
46 RK3066_PLL_RATE(1656000000, 1, 69, 1),
47 RK3066_PLL_RATE(1632000000, 1, 68, 1),
48 RK3066_PLL_RATE(1608000000, 1, 67, 1),
49 RK3066_PLL_RATE(1560000000, 1, 65, 1),
50 RK3066_PLL_RATE(1512000000, 1, 63, 1),
51 RK3066_PLL_RATE(1488000000, 1, 62, 1),
52 RK3066_PLL_RATE(1464000000, 1, 61, 1),
53 RK3066_PLL_RATE(1440000000, 1, 60, 1),
54 RK3066_PLL_RATE(1416000000, 1, 59, 1),
55 RK3066_PLL_RATE(1392000000, 1, 58, 1),
56 RK3066_PLL_RATE(1368000000, 1, 57, 1),
57 RK3066_PLL_RATE(1344000000, 1, 56, 1),
58 RK3066_PLL_RATE(1320000000, 1, 55, 1),
59 RK3066_PLL_RATE(1296000000, 1, 54, 1),
60 RK3066_PLL_RATE(1272000000, 1, 53, 1),
61 RK3066_PLL_RATE(1248000000, 1, 52, 1),
62 RK3066_PLL_RATE(1224000000, 1, 51, 1),
63 RK3066_PLL_RATE(1200000000, 1, 50, 1),
64 RK3066_PLL_RATE(1188000000, 2, 99, 1),
65 RK3066_PLL_RATE(1176000000, 1, 49, 1),
66 RK3066_PLL_RATE(1128000000, 1, 47, 1),
67 RK3066_PLL_RATE(1104000000, 1, 46, 1),
68 RK3066_PLL_RATE(1008000000, 1, 84, 2),
69 RK3066_PLL_RATE( 912000000, 1, 76, 2),
70 RK3066_PLL_RATE( 891000000, 8, 594, 2),
71 RK3066_PLL_RATE( 888000000, 1, 74, 2),
72 RK3066_PLL_RATE( 816000000, 1, 68, 2),
73 RK3066_PLL_RATE( 798000000, 2, 133, 2),
74 RK3066_PLL_RATE( 792000000, 1, 66, 2),
75 RK3066_PLL_RATE( 768000000, 1, 64, 2),
76 RK3066_PLL_RATE( 742500000, 8, 495, 2),
77 RK3066_PLL_RATE( 696000000, 1, 58, 2),
78 RK3066_PLL_RATE( 600000000, 1, 50, 2),
79 RK3066_PLL_RATE( 594000000, 2, 198, 4),
80 RK3066_PLL_RATE( 552000000, 1, 46, 2),
81 RK3066_PLL_RATE( 504000000, 1, 84, 4),
82 RK3066_PLL_RATE( 456000000, 1, 76, 4),
83 RK3066_PLL_RATE( 408000000, 1, 68, 4),
84 RK3066_PLL_RATE( 400000000, 3, 100, 2),
85 RK3066_PLL_RATE( 384000000, 2, 128, 4),
86 RK3066_PLL_RATE( 360000000, 1, 60, 4),
87 RK3066_PLL_RATE( 312000000, 1, 52, 4),
88 RK3066_PLL_RATE( 300000000, 1, 50, 4),
89 RK3066_PLL_RATE( 297000000, 2, 198, 8),
90 RK3066_PLL_RATE( 252000000, 1, 84, 8),
91 RK3066_PLL_RATE( 216000000, 1, 72, 8),
92 RK3066_PLL_RATE( 148500000, 2, 99, 8),
93 RK3066_PLL_RATE( 126000000, 1, 84, 16),
94 RK3066_PLL_RATE( 48000000, 1, 64, 32),
95 { /* sentinel */ },
96 };
97
98 #define RK3066_DIV_CORE_PERIPH_MASK 0x3
99 #define RK3066_DIV_CORE_PERIPH_SHIFT 6
100 #define RK3066_DIV_ACLK_CORE_MASK 0x7
101 #define RK3066_DIV_ACLK_CORE_SHIFT 0
102 #define RK3066_DIV_ACLK_HCLK_MASK 0x3
103 #define RK3066_DIV_ACLK_HCLK_SHIFT 8
104 #define RK3066_DIV_ACLK_PCLK_MASK 0x3
105 #define RK3066_DIV_ACLK_PCLK_SHIFT 12
106 #define RK3066_DIV_AHB2APB_MASK 0x3
107 #define RK3066_DIV_AHB2APB_SHIFT 14
108
109 #define RK3066_CLKSEL0(_core_peri) \
110 { \
111 .reg = RK2928_CLKSEL_CON(0), \
112 .val = HIWORD_UPDATE(_core_peri, RK3066_DIV_CORE_PERIPH_MASK, \
113 RK3066_DIV_CORE_PERIPH_SHIFT) \
114 }
115 #define RK3066_CLKSEL1(_aclk_core, _aclk_hclk, _aclk_pclk, _ahb2apb) \
116 { \
117 .reg = RK2928_CLKSEL_CON(1), \
118 .val = HIWORD_UPDATE(_aclk_core, RK3066_DIV_ACLK_CORE_MASK, \
119 RK3066_DIV_ACLK_CORE_SHIFT) | \
120 HIWORD_UPDATE(_aclk_hclk, RK3066_DIV_ACLK_HCLK_MASK, \
121 RK3066_DIV_ACLK_HCLK_SHIFT) | \
122 HIWORD_UPDATE(_aclk_pclk, RK3066_DIV_ACLK_PCLK_MASK, \
123 RK3066_DIV_ACLK_PCLK_SHIFT) | \
124 HIWORD_UPDATE(_ahb2apb, RK3066_DIV_AHB2APB_MASK, \
125 RK3066_DIV_AHB2APB_SHIFT), \
126 }
127
128 #define RK3066_CPUCLK_RATE(_prate, _core_peri, _acore, _ahclk, _apclk, _h2p) \
129 { \
130 .prate = _prate, \
131 .divs = { \
132 RK3066_CLKSEL0(_core_peri), \
133 RK3066_CLKSEL1(_acore, _ahclk, _apclk, _h2p), \
134 }, \
135 }
136
137 static struct rockchip_cpuclk_rate_table rk3066_cpuclk_rates[] __initdata = {
138 RK3066_CPUCLK_RATE(1416000000, 2, 3, 1, 2, 1),
139 RK3066_CPUCLK_RATE(1200000000, 2, 3, 1, 2, 1),
140 RK3066_CPUCLK_RATE(1008000000, 2, 2, 1, 2, 1),
141 RK3066_CPUCLK_RATE( 816000000, 2, 2, 1, 2, 1),
142 RK3066_CPUCLK_RATE( 600000000, 1, 2, 1, 2, 1),
143 RK3066_CPUCLK_RATE( 504000000, 1, 1, 1, 2, 1),
144 RK3066_CPUCLK_RATE( 312000000, 0, 1, 1, 1, 0),
145 };
146
147 static const struct rockchip_cpuclk_reg_data rk3066_cpuclk_data = {
148 .core_reg[0] = RK2928_CLKSEL_CON(0),
149 .div_core_shift[0] = 0,
150 .div_core_mask[0] = 0x1f,
151 .num_cores = 1,
152 .mux_core_alt = 1,
153 .mux_core_main = 0,
154 .mux_core_shift = 8,
155 .mux_core_mask = 0x1,
156 };
157
158 #define RK3188_DIV_ACLK_CORE_MASK 0x7
159 #define RK3188_DIV_ACLK_CORE_SHIFT 3
160
161 #define RK3188_CLKSEL1(_aclk_core) \
162 { \
163 .reg = RK2928_CLKSEL_CON(1), \
164 .val = HIWORD_UPDATE(_aclk_core, RK3188_DIV_ACLK_CORE_MASK,\
165 RK3188_DIV_ACLK_CORE_SHIFT) \
166 }
167 #define RK3188_CPUCLK_RATE(_prate, _core_peri, _aclk_core) \
168 { \
169 .prate = _prate, \
170 .divs = { \
171 RK3066_CLKSEL0(_core_peri), \
172 RK3188_CLKSEL1(_aclk_core), \
173 }, \
174 }
175
176 static struct rockchip_cpuclk_rate_table rk3188_cpuclk_rates[] __initdata = {
177 RK3188_CPUCLK_RATE(1608000000, 2, 3),
178 RK3188_CPUCLK_RATE(1416000000, 2, 3),
179 RK3188_CPUCLK_RATE(1200000000, 2, 3),
180 RK3188_CPUCLK_RATE(1008000000, 2, 3),
181 RK3188_CPUCLK_RATE( 816000000, 2, 3),
182 RK3188_CPUCLK_RATE( 600000000, 1, 3),
183 RK3188_CPUCLK_RATE( 504000000, 1, 3),
184 RK3188_CPUCLK_RATE( 312000000, 0, 1),
185 };
186
187 static const struct rockchip_cpuclk_reg_data rk3188_cpuclk_data = {
188 .core_reg[0] = RK2928_CLKSEL_CON(0),
189 .div_core_shift[0] = 9,
190 .div_core_mask[0] = 0x1f,
191 .num_cores = 1,
192 .mux_core_alt = 1,
193 .mux_core_main = 0,
194 .mux_core_shift = 8,
195 .mux_core_mask = 0x1,
196 };
197
198 PNAME(mux_pll_p) = { "xin24m", "xin32k" };
199 PNAME(mux_armclk_p) = { "apll", "gpll_armclk" };
200 PNAME(mux_ddrphy_p) = { "dpll", "gpll_ddr" };
201 PNAME(mux_pll_src_gpll_cpll_p) = { "gpll", "cpll" };
202 PNAME(mux_pll_src_cpll_gpll_p) = { "cpll", "gpll" };
203 PNAME(mux_aclk_cpu_p) = { "apll", "gpll" };
204 PNAME(mux_sclk_cif0_p) = { "cif0_pre", "xin24m" };
205 PNAME(mux_sclk_i2s0_p) = { "i2s0_pre", "i2s0_frac", "xin12m" };
206 PNAME(mux_sclk_spdif_p) = { "spdif_pre", "spdif_frac", "xin12m" };
207 PNAME(mux_sclk_uart0_p) = { "uart0_pre", "uart0_frac", "xin24m" };
208 PNAME(mux_sclk_uart1_p) = { "uart1_pre", "uart1_frac", "xin24m" };
209 PNAME(mux_sclk_uart2_p) = { "uart2_pre", "uart2_frac", "xin24m" };
210 PNAME(mux_sclk_uart3_p) = { "uart3_pre", "uart3_frac", "xin24m" };
211 PNAME(mux_sclk_hsadc_p) = { "hsadc_src", "hsadc_frac", "ext_hsadc" };
212 PNAME(mux_mac_p) = { "gpll", "dpll" };
213 PNAME(mux_sclk_macref_p) = { "mac_src", "ext_rmii" };
214
215 static struct rockchip_pll_clock rk3066_pll_clks[] __initdata = {
216 [apll] = PLL(pll_rk3066, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
217 RK2928_MODE_CON, 0, 5, 0, rk3188_pll_rates),
218 [dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
219 RK2928_MODE_CON, 4, 4, 0, NULL),
220 [cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
221 RK2928_MODE_CON, 8, 6, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
222 [gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
223 RK2928_MODE_CON, 12, 7, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
224 };
225
226 static struct rockchip_pll_clock rk3188_pll_clks[] __initdata = {
227 [apll] = PLL(pll_rk3066, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
228 RK2928_MODE_CON, 0, 6, 0, rk3188_pll_rates),
229 [dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
230 RK2928_MODE_CON, 4, 5, 0, NULL),
231 [cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
232 RK2928_MODE_CON, 8, 7, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
233 [gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
234 RK2928_MODE_CON, 12, 8, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
235 };
236
237 #define MFLAGS CLK_MUX_HIWORD_MASK
238 #define DFLAGS CLK_DIVIDER_HIWORD_MASK
239 #define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE)
240 #define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK
241
242 /* 2 ^ (val + 1) */
243 static struct clk_div_table div_core_peri_t[] = {
244 { .val = 0, .div = 2 },
245 { .val = 1, .div = 4 },
246 { .val = 2, .div = 8 },
247 { .val = 3, .div = 16 },
248 { /* sentinel */ },
249 };
250
251 static struct rockchip_clk_branch common_hsadc_out_fracmux __initdata =
252 MUX(0, "sclk_hsadc_out", mux_sclk_hsadc_p, 0,
253 RK2928_CLKSEL_CON(22), 4, 2, MFLAGS);
254
255 static struct rockchip_clk_branch common_spdif_fracmux __initdata =
256 MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT,
257 RK2928_CLKSEL_CON(5), 8, 2, MFLAGS);
258
259 static struct rockchip_clk_branch common_uart0_fracmux __initdata =
260 MUX(SCLK_UART0, "sclk_uart0", mux_sclk_uart0_p, CLK_SET_RATE_PARENT,
261 RK2928_CLKSEL_CON(13), 8, 2, MFLAGS);
262
263 static struct rockchip_clk_branch common_uart1_fracmux __initdata =
264 MUX(SCLK_UART1, "sclk_uart1", mux_sclk_uart1_p, CLK_SET_RATE_PARENT,
265 RK2928_CLKSEL_CON(14), 8, 2, MFLAGS);
266
267 static struct rockchip_clk_branch common_uart2_fracmux __initdata =
268 MUX(SCLK_UART2, "sclk_uart2", mux_sclk_uart2_p, CLK_SET_RATE_PARENT,
269 RK2928_CLKSEL_CON(15), 8, 2, MFLAGS);
270
271 static struct rockchip_clk_branch common_uart3_fracmux __initdata =
272 MUX(SCLK_UART3, "sclk_uart3", mux_sclk_uart3_p, CLK_SET_RATE_PARENT,
273 RK2928_CLKSEL_CON(16), 8, 2, MFLAGS);
274
275 static struct rockchip_clk_branch common_clk_branches[] __initdata = {
276 /*
277 * Clock-Architecture Diagram 2
278 */
279
280 GATE(0, "gpll_armclk", "gpll", 0, RK2928_CLKGATE_CON(0), 1, GFLAGS),
281
282 /* these two are set by the cpuclk and should not be changed */
283 COMPOSITE_NOMUX_DIVTBL(CORE_PERI, "core_peri", "armclk", 0,
284 RK2928_CLKSEL_CON(0), 6, 2, DFLAGS | CLK_DIVIDER_READ_ONLY,
285 div_core_peri_t, RK2928_CLKGATE_CON(0), 0, GFLAGS),
286
287 COMPOSITE(ACLK_VEPU, "aclk_vepu", mux_pll_src_cpll_gpll_p, 0,
288 RK2928_CLKSEL_CON(32), 7, 1, MFLAGS, 0, 5, DFLAGS,
289 RK2928_CLKGATE_CON(3), 9, GFLAGS),
290 GATE(HCLK_VEPU, "hclk_vepu", "aclk_vepu", 0,
291 RK2928_CLKGATE_CON(3), 10, GFLAGS),
292 COMPOSITE(ACLK_VDPU, "aclk_vdpu", mux_pll_src_cpll_gpll_p, 0,
293 RK2928_CLKSEL_CON(32), 15, 1, MFLAGS, 8, 5, DFLAGS,
294 RK2928_CLKGATE_CON(3), 11, GFLAGS),
295 GATE(HCLK_VDPU, "hclk_vdpu", "aclk_vdpu", 0,
296 RK2928_CLKGATE_CON(3), 12, GFLAGS),
297
298 GATE(0, "gpll_ddr", "gpll", CLK_IGNORE_UNUSED,
299 RK2928_CLKGATE_CON(1), 7, GFLAGS),
300 COMPOSITE(0, "ddrphy", mux_ddrphy_p, CLK_IGNORE_UNUSED,
301 RK2928_CLKSEL_CON(26), 8, 1, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
302 RK2928_CLKGATE_CON(0), 2, GFLAGS),
303
304 GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_pre", 0,
305 RK2928_CLKGATE_CON(0), 3, GFLAGS),
306
307 GATE(0, "atclk_cpu", "pclk_cpu_pre", 0,
308 RK2928_CLKGATE_CON(0), 6, GFLAGS),
309 GATE(PCLK_CPU, "pclk_cpu", "pclk_cpu_pre", 0,
310 RK2928_CLKGATE_CON(0), 5, GFLAGS),
311 GATE(HCLK_CPU, "hclk_cpu", "hclk_cpu_pre", CLK_IGNORE_UNUSED,
312 RK2928_CLKGATE_CON(0), 4, GFLAGS),
313
314 COMPOSITE(0, "aclk_lcdc0_pre", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED,
315 RK2928_CLKSEL_CON(31), 7, 1, MFLAGS, 0, 5, DFLAGS,
316 RK2928_CLKGATE_CON(3), 0, GFLAGS),
317 COMPOSITE(0, "aclk_lcdc1_pre", mux_pll_src_cpll_gpll_p, 0,
318 RK2928_CLKSEL_CON(31), 15, 1, MFLAGS, 8, 5, DFLAGS,
319 RK2928_CLKGATE_CON(1), 4, GFLAGS),
320
321 GATE(ACLK_PERI, "aclk_peri", "aclk_peri_pre", 0,
322 RK2928_CLKGATE_CON(2), 1, GFLAGS),
323 COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_pre", 0,
324 RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
325 RK2928_CLKGATE_CON(2), 2, GFLAGS),
326 COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_pre", 0,
327 RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
328 RK2928_CLKGATE_CON(2), 3, GFLAGS),
329
330 MUX(0, "cif_src", mux_pll_src_cpll_gpll_p, 0,
331 RK2928_CLKSEL_CON(29), 0, 1, MFLAGS),
332 COMPOSITE_NOMUX(0, "cif0_pre", "cif_src", 0,
333 RK2928_CLKSEL_CON(29), 1, 5, DFLAGS,
334 RK2928_CLKGATE_CON(3), 7, GFLAGS),
335 MUX(SCLK_CIF0, "sclk_cif0", mux_sclk_cif0_p, 0,
336 RK2928_CLKSEL_CON(29), 7, 1, MFLAGS),
337
338 GATE(0, "pclkin_cif0", "ext_cif0", 0,
339 RK2928_CLKGATE_CON(3), 3, GFLAGS),
340 INVERTER(0, "pclk_cif0", "pclkin_cif0",
341 RK2928_CLKSEL_CON(30), 8, IFLAGS),
342
343 FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
344
345 /*
346 * the 480m are generated inside the usb block from these clocks,
347 * but they are also a source for the hsicphy clock.
348 */
349 GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin24m", CLK_IGNORE_UNUSED,
350 RK2928_CLKGATE_CON(1), 5, GFLAGS),
351 GATE(SCLK_OTGPHY1, "sclk_otgphy1", "xin24m", CLK_IGNORE_UNUSED,
352 RK2928_CLKGATE_CON(1), 6, GFLAGS),
353
354 COMPOSITE(0, "mac_src", mux_mac_p, 0,
355 RK2928_CLKSEL_CON(21), 0, 1, MFLAGS, 8, 5, DFLAGS,
356 RK2928_CLKGATE_CON(2), 5, GFLAGS),
357 MUX(SCLK_MAC, "sclk_macref", mux_sclk_macref_p, CLK_SET_RATE_PARENT,
358 RK2928_CLKSEL_CON(21), 4, 1, MFLAGS),
359 GATE(0, "sclk_mac_lbtest", "sclk_macref", 0,
360 RK2928_CLKGATE_CON(2), 12, GFLAGS),
361
362 COMPOSITE(0, "hsadc_src", mux_pll_src_gpll_cpll_p, 0,
363 RK2928_CLKSEL_CON(22), 0, 1, MFLAGS, 8, 8, DFLAGS,
364 RK2928_CLKGATE_CON(2), 6, GFLAGS),
365 COMPOSITE_FRACMUX(0, "hsadc_frac", "hsadc_src", 0,
366 RK2928_CLKSEL_CON(23), 0,
367 RK2928_CLKGATE_CON(2), 7, GFLAGS,
368 &common_hsadc_out_fracmux),
369 INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out",
370 RK2928_CLKSEL_CON(22), 7, IFLAGS),
371
372 COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
373 RK2928_CLKSEL_CON(24), 8, 8, DFLAGS,
374 RK2928_CLKGATE_CON(2), 8, GFLAGS),
375
376 COMPOSITE_NOMUX(0, "spdif_pre", "i2s_src", 0,
377 RK2928_CLKSEL_CON(5), 0, 7, DFLAGS,
378 RK2928_CLKGATE_CON(0), 13, GFLAGS),
379 COMPOSITE_FRACMUX(0, "spdif_frac", "spdif_pre", CLK_SET_RATE_PARENT,
380 RK2928_CLKSEL_CON(9), 0,
381 RK2928_CLKGATE_CON(0), 14, GFLAGS,
382 &common_spdif_fracmux),
383
384 /*
385 * Clock-Architecture Diagram 4
386 */
387
388 GATE(SCLK_SMC, "sclk_smc", "hclk_peri", 0,
389 RK2928_CLKGATE_CON(2), 4, GFLAGS),
390
391 COMPOSITE_NOMUX(SCLK_SPI0, "sclk_spi0", "pclk_peri", 0,
392 RK2928_CLKSEL_CON(25), 0, 7, DFLAGS,
393 RK2928_CLKGATE_CON(2), 9, GFLAGS),
394 COMPOSITE_NOMUX(SCLK_SPI1, "sclk_spi1", "pclk_peri", 0,
395 RK2928_CLKSEL_CON(25), 8, 7, DFLAGS,
396 RK2928_CLKGATE_CON(2), 10, GFLAGS),
397
398 COMPOSITE_NOMUX(SCLK_SDMMC, "sclk_sdmmc", "hclk_peri", 0,
399 RK2928_CLKSEL_CON(11), 0, 6, DFLAGS,
400 RK2928_CLKGATE_CON(2), 11, GFLAGS),
401 COMPOSITE_NOMUX(SCLK_SDIO, "sclk_sdio", "hclk_peri", 0,
402 RK2928_CLKSEL_CON(12), 0, 6, DFLAGS,
403 RK2928_CLKGATE_CON(2), 13, GFLAGS),
404 COMPOSITE_NOMUX(SCLK_EMMC, "sclk_emmc", "hclk_peri", 0,
405 RK2928_CLKSEL_CON(12), 8, 6, DFLAGS,
406 RK2928_CLKGATE_CON(2), 14, GFLAGS),
407
408 MUX(0, "uart_src", mux_pll_src_gpll_cpll_p, 0,
409 RK2928_CLKSEL_CON(12), 15, 1, MFLAGS),
410 COMPOSITE_NOMUX(0, "uart0_pre", "uart_src", 0,
411 RK2928_CLKSEL_CON(13), 0, 7, DFLAGS,
412 RK2928_CLKGATE_CON(1), 8, GFLAGS),
413 COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_pre", CLK_SET_RATE_PARENT,
414 RK2928_CLKSEL_CON(17), 0,
415 RK2928_CLKGATE_CON(1), 9, GFLAGS,
416 &common_uart0_fracmux),
417 COMPOSITE_NOMUX(0, "uart1_pre", "uart_src", 0,
418 RK2928_CLKSEL_CON(14), 0, 7, DFLAGS,
419 RK2928_CLKGATE_CON(1), 10, GFLAGS),
420 COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_pre", CLK_SET_RATE_PARENT,
421 RK2928_CLKSEL_CON(18), 0,
422 RK2928_CLKGATE_CON(1), 11, GFLAGS,
423 &common_uart1_fracmux),
424 COMPOSITE_NOMUX(0, "uart2_pre", "uart_src", 0,
425 RK2928_CLKSEL_CON(15), 0, 7, DFLAGS,
426 RK2928_CLKGATE_CON(1), 12, GFLAGS),
427 COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_pre", CLK_SET_RATE_PARENT,
428 RK2928_CLKSEL_CON(19), 0,
429 RK2928_CLKGATE_CON(1), 13, GFLAGS,
430 &common_uart2_fracmux),
431 COMPOSITE_NOMUX(0, "uart3_pre", "uart_src", 0,
432 RK2928_CLKSEL_CON(16), 0, 7, DFLAGS,
433 RK2928_CLKGATE_CON(1), 14, GFLAGS),
434 COMPOSITE_FRACMUX(0, "uart3_frac", "uart3_pre", CLK_SET_RATE_PARENT,
435 RK2928_CLKSEL_CON(20), 0,
436 RK2928_CLKGATE_CON(1), 15, GFLAGS,
437 &common_uart3_fracmux),
438
439 GATE(SCLK_JTAG, "jtag", "ext_jtag", 0, RK2928_CLKGATE_CON(1), 3, GFLAGS),
440
441 GATE(SCLK_TIMER0, "timer0", "xin24m", 0, RK2928_CLKGATE_CON(1), 0, GFLAGS),
442 GATE(SCLK_TIMER1, "timer1", "xin24m", 0, RK2928_CLKGATE_CON(1), 1, GFLAGS),
443
444 /* clk_core_pre gates */
445 GATE(0, "core_dbg", "armclk", 0, RK2928_CLKGATE_CON(9), 0, GFLAGS),
446
447 /* aclk_cpu gates */
448 GATE(ACLK_DMA1, "aclk_dma1", "aclk_cpu", 0, RK2928_CLKGATE_CON(5), 0, GFLAGS),
449 GATE(0, "aclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS),
450 GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS),
451
452 /* hclk_cpu gates */
453 GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", 0, RK2928_CLKGATE_CON(5), 6, 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(PCLK_DDRUPCTL, "pclk_ddrupctl", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 7, GFLAGS),
504 GATE(PCLK_PUBL, "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, CLK_SET_RATE_PARENT,
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, CLK_SET_RATE_PARENT,
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, CLK_SET_RATE_PARENT,
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, CLK_SET_RATE_PARENT,
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, CLK_SET_RATE_PARENT,
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", CLK_SET_RATE_PARENT,
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", CLK_SET_RATE_PARENT,
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", CLK_SET_RATE_PARENT,
634 RK2928_CLKSEL_CON(8), 0,
635 RK2928_CLKGATE_CON(0), 12, GFLAGS,
636 &rk3066a_i2s2_fracmux),
637
638 GATE(HCLK_I2S0, "hclk_i2s0", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
639 GATE(HCLK_I2S1, "hclk_i2s1", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),
640 GATE(HCLK_I2S2, "hclk_i2s2", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS),
641 GATE(HCLK_CIF1, "hclk_cif1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 6, GFLAGS),
642 GATE(HCLK_HDMI, "hclk_hdmi", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
643
644 GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
645 RK2928_CLKGATE_CON(5), 14, GFLAGS),
646
647 GATE(ACLK_CIF1, "aclk_cif1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 7, GFLAGS),
648
649 GATE(PCLK_TIMER1, "pclk_timer1", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 8, GFLAGS),
650 GATE(PCLK_TIMER2, "pclk_timer2", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
651 GATE(PCLK_GPIO6, "pclk_gpio6", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 15, GFLAGS),
652 GATE(PCLK_UART0, "pclk_uart0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
653 GATE(PCLK_UART1, "pclk_uart1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
654
655 GATE(PCLK_GPIO4, "pclk_gpio4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
656 GATE(PCLK_TSADC, "pclk_tsadc", "pclk_peri", 0, RK2928_CLKGATE_CON(4), 13, GFLAGS),
657 };
658
659 static struct clk_div_table div_rk3188_aclk_core_t[] = {
660 { .val = 0, .div = 1 },
661 { .val = 1, .div = 2 },
662 { .val = 2, .div = 3 },
663 { .val = 3, .div = 4 },
664 { .val = 4, .div = 8 },
665 { /* sentinel */ },
666 };
667
668 PNAME(mux_hsicphy_p) = { "sclk_otgphy0_480m", "sclk_otgphy1_480m",
669 "gpll", "cpll" };
670
671 static struct rockchip_clk_branch rk3188_i2s0_fracmux __initdata =
672 MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, CLK_SET_RATE_PARENT,
673 RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
674
675 static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
676 COMPOSITE_NOMUX_DIVTBL(0, "aclk_core", "armclk", CLK_IGNORE_UNUSED,
677 RK2928_CLKSEL_CON(1), 3, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
678 div_rk3188_aclk_core_t, RK2928_CLKGATE_CON(0), 7, GFLAGS),
679
680 /* do not source aclk_cpu_pre from the apll, to keep complexity down */
681 COMPOSITE_NOGATE(0, "aclk_cpu_pre", mux_aclk_cpu_p, CLK_SET_RATE_NO_REPARENT,
682 RK2928_CLKSEL_CON(0), 5, 1, MFLAGS, 0, 5, DFLAGS),
683 DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
684 RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
685 DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
686 RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
687 COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
688 RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
689 RK2928_CLKGATE_CON(4), 9, GFLAGS),
690
691 GATE(CORE_L2C, "core_l2c", "armclk", CLK_IGNORE_UNUSED,
692 RK2928_CLKGATE_CON(9), 4, GFLAGS),
693
694 COMPOSITE(0, "aclk_peri_pre", mux_pll_src_cpll_gpll_p, 0,
695 RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
696 RK2928_CLKGATE_CON(2), 0, GFLAGS),
697
698 COMPOSITE(DCLK_LCDC0, "dclk_lcdc0", mux_pll_src_cpll_gpll_p, 0,
699 RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
700 RK2928_CLKGATE_CON(3), 1, GFLAGS),
701 COMPOSITE(DCLK_LCDC1, "dclk_lcdc1", mux_pll_src_cpll_gpll_p, 0,
702 RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
703 RK2928_CLKGATE_CON(3), 2, GFLAGS),
704
705 COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
706 RK2928_CLKSEL_CON(34), 7, 1, MFLAGS, 0, 5, DFLAGS,
707 RK2928_CLKGATE_CON(3), 15, GFLAGS),
708 GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
709 RK2928_CLKGATE_CON(9), 7, GFLAGS),
710
711 GATE(SCLK_TIMER2, "timer2", "xin24m", 0, RK2928_CLKGATE_CON(3), 4, GFLAGS),
712 GATE(SCLK_TIMER3, "timer3", "xin24m", 0, RK2928_CLKGATE_CON(1), 2, GFLAGS),
713 GATE(SCLK_TIMER4, "timer4", "xin24m", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
714 GATE(SCLK_TIMER5, "timer5", "xin24m", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
715 GATE(SCLK_TIMER6, "timer6", "xin24m", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
716
717 COMPOSITE_NODIV(0, "sclk_hsicphy_480m", mux_hsicphy_p, 0,
718 RK2928_CLKSEL_CON(30), 0, 2, DFLAGS,
719 RK2928_CLKGATE_CON(3), 6, GFLAGS),
720 DIV(0, "sclk_hsicphy_12m", "sclk_hsicphy_480m", 0,
721 RK2928_CLKSEL_CON(11), 8, 6, DFLAGS),
722
723 MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
724 RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
725 COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
726 RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
727 RK2928_CLKGATE_CON(0), 9, GFLAGS),
728 COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", CLK_SET_RATE_PARENT,
729 RK2928_CLKSEL_CON(7), 0,
730 RK2928_CLKGATE_CON(0), 10, GFLAGS,
731 &rk3188_i2s0_fracmux),
732
733 GATE(HCLK_I2S0, "hclk_i2s0", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),
734 GATE(0, "hclk_imem0", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
735 GATE(0, "hclk_imem1", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 15, GFLAGS),
736
737 GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
738 RK2928_CLKGATE_CON(7), 3, GFLAGS),
739 GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
740
741 GATE(PCLK_TIMER3, "pclk_timer3", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
742
743 GATE(PCLK_UART0, "pclk_uart0", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
744 GATE(PCLK_UART1, "pclk_uart1", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
745
746 GATE(ACLK_GPS, "aclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
747 };
748
749 static const char *const rk3188_critical_clocks[] __initconst = {
750 "aclk_cpu",
751 "aclk_peri",
752 "hclk_peri",
753 "pclk_cpu",
754 "pclk_peri",
755 "hclk_cpubus",
756 "hclk_vio_bus",
757 "sclk_mac_lbtest",
758 };
759
rk3188_common_clk_init(struct device_node * np,unsigned long soc_nr_clks)760 static struct rockchip_clk_provider *__init rk3188_common_clk_init(struct device_node *np,
761 unsigned long soc_nr_clks)
762 {
763 struct rockchip_clk_provider *ctx;
764 unsigned long common_nr_clks;
765 void __iomem *reg_base;
766
767 reg_base = of_iomap(np, 0);
768 if (!reg_base) {
769 pr_err("%s: could not map cru region\n", __func__);
770 return ERR_PTR(-ENOMEM);
771 }
772
773 common_nr_clks = rockchip_clk_find_max_clk_id(common_clk_branches,
774 ARRAY_SIZE(common_clk_branches)) + 1;
775 ctx = rockchip_clk_init(np, reg_base, max(common_nr_clks, soc_nr_clks));
776 if (IS_ERR(ctx)) {
777 pr_err("%s: rockchip clk init failed\n", __func__);
778 iounmap(reg_base);
779 return ERR_PTR(-ENOMEM);
780 }
781
782 rockchip_clk_register_branches(ctx, common_clk_branches,
783 ARRAY_SIZE(common_clk_branches));
784
785 rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
786 ROCKCHIP_SOFTRST_HIWORD_MASK);
787
788 rockchip_register_restart_notifier(ctx, RK2928_GLB_SRST_FST, NULL);
789
790 return ctx;
791 }
792
rk3066a_clk_init(struct device_node * np)793 static void __init rk3066a_clk_init(struct device_node *np)
794 {
795 struct rockchip_clk_provider *ctx;
796 unsigned long soc_nr_clks;
797
798 soc_nr_clks = rockchip_clk_find_max_clk_id(rk3066a_clk_branches,
799 ARRAY_SIZE(rk3066a_clk_branches)) + 1;
800 ctx = rk3188_common_clk_init(np, soc_nr_clks);
801 if (IS_ERR(ctx))
802 return;
803
804 rockchip_clk_register_plls(ctx, rk3066_pll_clks,
805 ARRAY_SIZE(rk3066_pll_clks),
806 RK3066_GRF_SOC_STATUS);
807 rockchip_clk_register_branches(ctx, rk3066a_clk_branches,
808 ARRAY_SIZE(rk3066a_clk_branches));
809 rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
810 mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
811 &rk3066_cpuclk_data, rk3066_cpuclk_rates,
812 ARRAY_SIZE(rk3066_cpuclk_rates));
813 rockchip_clk_protect_critical(rk3188_critical_clocks,
814 ARRAY_SIZE(rk3188_critical_clocks));
815 rockchip_clk_of_add_provider(np, ctx);
816 }
817 CLK_OF_DECLARE(rk3066a_cru, "rockchip,rk3066a-cru", rk3066a_clk_init);
818
rk3188a_clk_init(struct device_node * np)819 static void __init rk3188a_clk_init(struct device_node *np)
820 {
821 struct rockchip_clk_provider *ctx;
822 unsigned long soc_nr_clks;
823 struct clk *clk1, *clk2;
824 unsigned long rate;
825 int ret;
826
827 soc_nr_clks = rockchip_clk_find_max_clk_id(rk3188_clk_branches,
828 ARRAY_SIZE(rk3188_clk_branches)) + 1;
829 ctx = rk3188_common_clk_init(np, soc_nr_clks);
830 if (IS_ERR(ctx))
831 return;
832
833 rockchip_clk_register_plls(ctx, rk3188_pll_clks,
834 ARRAY_SIZE(rk3188_pll_clks),
835 RK3188_GRF_SOC_STATUS);
836 rockchip_clk_register_branches(ctx, rk3188_clk_branches,
837 ARRAY_SIZE(rk3188_clk_branches));
838 rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
839 mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
840 &rk3188_cpuclk_data, rk3188_cpuclk_rates,
841 ARRAY_SIZE(rk3188_cpuclk_rates));
842
843 /* reparent aclk_cpu_pre from apll */
844 clk1 = __clk_lookup("aclk_cpu_pre");
845 clk2 = __clk_lookup("gpll");
846 if (clk1 && clk2) {
847 rate = clk_get_rate(clk1);
848
849 ret = clk_set_parent(clk1, clk2);
850 if (ret < 0)
851 pr_warn("%s: could not reparent aclk_cpu_pre to gpll\n",
852 __func__);
853
854 clk_set_rate(clk1, rate);
855 } else {
856 pr_warn("%s: missing clocks to reparent aclk_cpu_pre to gpll\n",
857 __func__);
858 }
859
860 rockchip_clk_protect_critical(rk3188_critical_clocks,
861 ARRAY_SIZE(rk3188_critical_clocks));
862 rockchip_clk_of_add_provider(np, ctx);
863 }
864 CLK_OF_DECLARE(rk3188a_cru, "rockchip,rk3188a-cru", rk3188a_clk_init);
865
rk3188_clk_init(struct device_node * np)866 static void __init rk3188_clk_init(struct device_node *np)
867 {
868 int i;
869
870 for (i = 0; i < ARRAY_SIZE(rk3188_pll_clks); i++) {
871 struct rockchip_pll_clock *pll = &rk3188_pll_clks[i];
872 struct rockchip_pll_rate_table *rate;
873
874 if (!pll->rate_table)
875 continue;
876
877 rate = pll->rate_table;
878 while (rate->rate > 0) {
879 rate->nb = 1;
880 rate++;
881 }
882 }
883
884 rk3188a_clk_init(np);
885 }
886 CLK_OF_DECLARE(rk3188_cru, "rockchip,rk3188-cru", rk3188_clk_init);
887