1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2021 Dávid Virág <virag.david003@gmail.com>
4 * Author: Dávid Virág <virag.david003@gmail.com>
6 * Common Clock Framework support for Exynos7885 SoC.
10 #include <linux/clk-provider.h>
12 #include <linux/of_device.h>
13 #include <linux/platform_device.h>
15 #include <dt-bindings/clock/exynos7885.h>
18 #include "clk-exynos-arm64.h"
20 /* ---- CMU_TOP ------------------------------------------------------------- */
22 /* Register Offset definitions for CMU_TOP (0x12060000) */
23 #define PLL_LOCKTIME_PLL_SHARED0 0x0000
24 #define PLL_LOCKTIME_PLL_SHARED1 0x0004
25 #define PLL_CON0_PLL_SHARED0 0x0100
26 #define PLL_CON0_PLL_SHARED1 0x0120
27 #define CLK_CON_MUX_MUX_CLKCMU_CORE_BUS 0x1014
28 #define CLK_CON_MUX_MUX_CLKCMU_CORE_CCI 0x1018
29 #define CLK_CON_MUX_MUX_CLKCMU_CORE_G3D 0x101c
30 #define CLK_CON_MUX_MUX_CLKCMU_PERI_BUS 0x1058
31 #define CLK_CON_MUX_MUX_CLKCMU_PERI_SPI0 0x105c
32 #define CLK_CON_MUX_MUX_CLKCMU_PERI_SPI1 0x1060
33 #define CLK_CON_MUX_MUX_CLKCMU_PERI_UART0 0x1064
34 #define CLK_CON_MUX_MUX_CLKCMU_PERI_UART1 0x1068
35 #define CLK_CON_MUX_MUX_CLKCMU_PERI_UART2 0x106c
36 #define CLK_CON_MUX_MUX_CLKCMU_PERI_USI0 0x1070
37 #define CLK_CON_MUX_MUX_CLKCMU_PERI_USI1 0x1074
38 #define CLK_CON_MUX_MUX_CLKCMU_PERI_USI2 0x1078
39 #define CLK_CON_DIV_CLKCMU_CORE_BUS 0x181c
40 #define CLK_CON_DIV_CLKCMU_CORE_CCI 0x1820
41 #define CLK_CON_DIV_CLKCMU_CORE_G3D 0x1824
42 #define CLK_CON_DIV_CLKCMU_PERI_BUS 0x1874
43 #define CLK_CON_DIV_CLKCMU_PERI_SPI0 0x1878
44 #define CLK_CON_DIV_CLKCMU_PERI_SPI1 0x187c
45 #define CLK_CON_DIV_CLKCMU_PERI_UART0 0x1880
46 #define CLK_CON_DIV_CLKCMU_PERI_UART1 0x1884
47 #define CLK_CON_DIV_CLKCMU_PERI_UART2 0x1888
48 #define CLK_CON_DIV_CLKCMU_PERI_USI0 0x188c
49 #define CLK_CON_DIV_CLKCMU_PERI_USI1 0x1890
50 #define CLK_CON_DIV_CLKCMU_PERI_USI2 0x1894
51 #define CLK_CON_DIV_PLL_SHARED0_DIV2 0x189c
52 #define CLK_CON_DIV_PLL_SHARED0_DIV3 0x18a0
53 #define CLK_CON_DIV_PLL_SHARED0_DIV4 0x18a4
54 #define CLK_CON_DIV_PLL_SHARED0_DIV5 0x18a8
55 #define CLK_CON_DIV_PLL_SHARED1_DIV2 0x18ac
56 #define CLK_CON_DIV_PLL_SHARED1_DIV3 0x18b0
57 #define CLK_CON_DIV_PLL_SHARED1_DIV4 0x18b4
58 #define CLK_CON_GAT_GATE_CLKCMUC_PERI_UART1 0x2004
59 #define CLK_CON_GAT_GATE_CLKCMU_CORE_BUS 0x201c
60 #define CLK_CON_GAT_GATE_CLKCMU_CORE_CCI 0x2020
61 #define CLK_CON_GAT_GATE_CLKCMU_CORE_G3D 0x2024
62 #define CLK_CON_GAT_GATE_CLKCMU_PERI_BUS 0x207c
63 #define CLK_CON_GAT_GATE_CLKCMU_PERI_SPI0 0x2080
64 #define CLK_CON_GAT_GATE_CLKCMU_PERI_SPI1 0x2084
65 #define CLK_CON_GAT_GATE_CLKCMU_PERI_UART0 0x2088
66 #define CLK_CON_GAT_GATE_CLKCMU_PERI_UART2 0x208c
67 #define CLK_CON_GAT_GATE_CLKCMU_PERI_USI0 0x2090
68 #define CLK_CON_GAT_GATE_CLKCMU_PERI_USI1 0x2094
69 #define CLK_CON_GAT_GATE_CLKCMU_PERI_USI2 0x2098
71 static const unsigned long top_clk_regs[] __initconst = {
72 PLL_LOCKTIME_PLL_SHARED0,
73 PLL_LOCKTIME_PLL_SHARED1,
76 CLK_CON_MUX_MUX_CLKCMU_CORE_BUS,
77 CLK_CON_MUX_MUX_CLKCMU_CORE_CCI,
78 CLK_CON_MUX_MUX_CLKCMU_CORE_G3D,
79 CLK_CON_MUX_MUX_CLKCMU_PERI_BUS,
80 CLK_CON_MUX_MUX_CLKCMU_PERI_SPI0,
81 CLK_CON_MUX_MUX_CLKCMU_PERI_SPI1,
82 CLK_CON_MUX_MUX_CLKCMU_PERI_UART0,
83 CLK_CON_MUX_MUX_CLKCMU_PERI_UART1,
84 CLK_CON_MUX_MUX_CLKCMU_PERI_UART2,
85 CLK_CON_MUX_MUX_CLKCMU_PERI_USI0,
86 CLK_CON_MUX_MUX_CLKCMU_PERI_USI1,
87 CLK_CON_MUX_MUX_CLKCMU_PERI_USI2,
88 CLK_CON_DIV_CLKCMU_CORE_BUS,
89 CLK_CON_DIV_CLKCMU_CORE_CCI,
90 CLK_CON_DIV_CLKCMU_CORE_G3D,
91 CLK_CON_DIV_CLKCMU_PERI_BUS,
92 CLK_CON_DIV_CLKCMU_PERI_SPI0,
93 CLK_CON_DIV_CLKCMU_PERI_SPI1,
94 CLK_CON_DIV_CLKCMU_PERI_UART0,
95 CLK_CON_DIV_CLKCMU_PERI_UART1,
96 CLK_CON_DIV_CLKCMU_PERI_UART2,
97 CLK_CON_DIV_CLKCMU_PERI_USI0,
98 CLK_CON_DIV_CLKCMU_PERI_USI1,
99 CLK_CON_DIV_CLKCMU_PERI_USI2,
100 CLK_CON_DIV_PLL_SHARED0_DIV2,
101 CLK_CON_DIV_PLL_SHARED0_DIV3,
102 CLK_CON_DIV_PLL_SHARED0_DIV4,
103 CLK_CON_DIV_PLL_SHARED0_DIV5,
104 CLK_CON_DIV_PLL_SHARED1_DIV2,
105 CLK_CON_DIV_PLL_SHARED1_DIV3,
106 CLK_CON_DIV_PLL_SHARED1_DIV4,
107 CLK_CON_GAT_GATE_CLKCMUC_PERI_UART1,
108 CLK_CON_GAT_GATE_CLKCMU_CORE_BUS,
109 CLK_CON_GAT_GATE_CLKCMU_CORE_CCI,
110 CLK_CON_GAT_GATE_CLKCMU_CORE_G3D,
111 CLK_CON_GAT_GATE_CLKCMU_PERI_BUS,
112 CLK_CON_GAT_GATE_CLKCMU_PERI_SPI0,
113 CLK_CON_GAT_GATE_CLKCMU_PERI_SPI1,
114 CLK_CON_GAT_GATE_CLKCMU_PERI_UART0,
115 CLK_CON_GAT_GATE_CLKCMU_PERI_UART2,
116 CLK_CON_GAT_GATE_CLKCMU_PERI_USI0,
117 CLK_CON_GAT_GATE_CLKCMU_PERI_USI1,
118 CLK_CON_GAT_GATE_CLKCMU_PERI_USI2,
121 static const struct samsung_pll_clock top_pll_clks[] __initconst = {
122 PLL(pll_1417x, CLK_FOUT_SHARED0_PLL, "fout_shared0_pll", "oscclk",
123 PLL_LOCKTIME_PLL_SHARED0, PLL_CON0_PLL_SHARED0,
125 PLL(pll_1417x, CLK_FOUT_SHARED1_PLL, "fout_shared1_pll", "oscclk",
126 PLL_LOCKTIME_PLL_SHARED1, PLL_CON0_PLL_SHARED1,
130 /* List of parent clocks for Muxes in CMU_TOP: for CMU_CORE */
131 PNAME(mout_core_bus_p) = { "dout_shared0_div2", "dout_shared1_div2",
132 "dout_shared0_div3", "dout_shared0_div3" };
133 PNAME(mout_core_cci_p) = { "dout_shared0_div2", "dout_shared1_div2",
134 "dout_shared0_div3", "dout_shared0_div3" };
135 PNAME(mout_core_g3d_p) = { "dout_shared0_div2", "dout_shared1_div2",
136 "dout_shared0_div3", "dout_shared0_div3" };
138 /* List of parent clocks for Muxes in CMU_TOP: for CMU_PERI */
139 PNAME(mout_peri_bus_p) = { "dout_shared0_div4", "dout_shared1_div4" };
140 PNAME(mout_peri_spi0_p) = { "oscclk", "dout_shared0_div4" };
141 PNAME(mout_peri_spi1_p) = { "oscclk", "dout_shared0_div4" };
142 PNAME(mout_peri_uart0_p) = { "oscclk", "dout_shared0_div4" };
143 PNAME(mout_peri_uart1_p) = { "oscclk", "dout_shared0_div4" };
144 PNAME(mout_peri_uart2_p) = { "oscclk", "dout_shared0_div4" };
145 PNAME(mout_peri_usi0_p) = { "oscclk", "dout_shared0_div4" };
146 PNAME(mout_peri_usi1_p) = { "oscclk", "dout_shared0_div4" };
147 PNAME(mout_peri_usi2_p) = { "oscclk", "dout_shared0_div4" };
149 static const struct samsung_mux_clock top_mux_clks[] __initconst = {
151 MUX(CLK_MOUT_CORE_BUS, "mout_core_bus", mout_core_bus_p,
152 CLK_CON_MUX_MUX_CLKCMU_CORE_BUS, 0, 2),
153 MUX(CLK_MOUT_CORE_CCI, "mout_core_cci", mout_core_cci_p,
154 CLK_CON_MUX_MUX_CLKCMU_CORE_CCI, 0, 2),
155 MUX(CLK_MOUT_CORE_G3D, "mout_core_g3d", mout_core_g3d_p,
156 CLK_CON_MUX_MUX_CLKCMU_CORE_G3D, 0, 2),
159 MUX(CLK_MOUT_PERI_BUS, "mout_peri_bus", mout_peri_bus_p,
160 CLK_CON_MUX_MUX_CLKCMU_PERI_BUS, 0, 1),
161 MUX(CLK_MOUT_PERI_SPI0, "mout_peri_spi0", mout_peri_spi0_p,
162 CLK_CON_MUX_MUX_CLKCMU_PERI_SPI0, 0, 1),
163 MUX(CLK_MOUT_PERI_SPI1, "mout_peri_spi1", mout_peri_spi1_p,
164 CLK_CON_MUX_MUX_CLKCMU_PERI_SPI1, 0, 1),
165 MUX(CLK_MOUT_PERI_UART0, "mout_peri_uart0", mout_peri_uart0_p,
166 CLK_CON_MUX_MUX_CLKCMU_PERI_UART0, 0, 1),
167 MUX(CLK_MOUT_PERI_UART1, "mout_peri_uart1", mout_peri_uart1_p,
168 CLK_CON_MUX_MUX_CLKCMU_PERI_UART1, 0, 1),
169 MUX(CLK_MOUT_PERI_UART2, "mout_peri_uart2", mout_peri_uart2_p,
170 CLK_CON_MUX_MUX_CLKCMU_PERI_UART2, 0, 1),
171 MUX(CLK_MOUT_PERI_USI0, "mout_peri_usi0", mout_peri_usi0_p,
172 CLK_CON_MUX_MUX_CLKCMU_PERI_USI0, 0, 1),
173 MUX(CLK_MOUT_PERI_USI1, "mout_peri_usi1", mout_peri_usi1_p,
174 CLK_CON_MUX_MUX_CLKCMU_PERI_USI1, 0, 1),
175 MUX(CLK_MOUT_PERI_USI2, "mout_peri_usi2", mout_peri_usi2_p,
176 CLK_CON_MUX_MUX_CLKCMU_PERI_USI2, 0, 1),
179 static const struct samsung_div_clock top_div_clks[] __initconst = {
181 DIV(CLK_DOUT_SHARED0_DIV2, "dout_shared0_div2", "fout_shared0_pll",
182 CLK_CON_DIV_PLL_SHARED0_DIV2, 0, 1),
183 DIV(CLK_DOUT_SHARED0_DIV3, "dout_shared0_div3", "fout_shared0_pll",
184 CLK_CON_DIV_PLL_SHARED0_DIV3, 0, 2),
185 DIV(CLK_DOUT_SHARED0_DIV4, "dout_shared0_div4", "fout_shared0_pll",
186 CLK_CON_DIV_PLL_SHARED0_DIV4, 0, 1),
187 DIV(CLK_DOUT_SHARED0_DIV5, "dout_shared0_div5", "fout_shared0_pll",
188 CLK_CON_DIV_PLL_SHARED0_DIV5, 0, 3),
189 DIV(CLK_DOUT_SHARED1_DIV2, "dout_shared1_div2", "fout_shared1_pll",
190 CLK_CON_DIV_PLL_SHARED1_DIV2, 0, 1),
191 DIV(CLK_DOUT_SHARED1_DIV3, "dout_shared1_div3", "fout_shared1_pll",
192 CLK_CON_DIV_PLL_SHARED1_DIV3, 0, 2),
193 DIV(CLK_DOUT_SHARED1_DIV4, "dout_shared1_div4", "fout_shared1_pll",
194 CLK_CON_DIV_PLL_SHARED1_DIV4, 0, 1),
197 DIV(CLK_DOUT_CORE_BUS, "dout_core_bus", "gout_core_bus",
198 CLK_CON_DIV_CLKCMU_CORE_BUS, 0, 3),
199 DIV(CLK_DOUT_CORE_CCI, "dout_core_cci", "gout_core_cci",
200 CLK_CON_DIV_CLKCMU_CORE_CCI, 0, 3),
201 DIV(CLK_DOUT_CORE_G3D, "dout_core_g3d", "gout_core_g3d",
202 CLK_CON_DIV_CLKCMU_CORE_G3D, 0, 3),
205 DIV(CLK_DOUT_PERI_BUS, "dout_peri_bus", "gout_peri_bus",
206 CLK_CON_DIV_CLKCMU_PERI_BUS, 0, 4),
207 DIV(CLK_DOUT_PERI_SPI0, "dout_peri_spi0", "gout_peri_spi0",
208 CLK_CON_DIV_CLKCMU_PERI_SPI0, 0, 6),
209 DIV(CLK_DOUT_PERI_SPI1, "dout_peri_spi1", "gout_peri_spi1",
210 CLK_CON_DIV_CLKCMU_PERI_SPI1, 0, 6),
211 DIV(CLK_DOUT_PERI_UART0, "dout_peri_uart0", "gout_peri_uart0",
212 CLK_CON_DIV_CLKCMU_PERI_UART0, 0, 4),
213 DIV(CLK_DOUT_PERI_UART1, "dout_peri_uart1", "gout_peri_uart1",
214 CLK_CON_DIV_CLKCMU_PERI_UART1, 0, 4),
215 DIV(CLK_DOUT_PERI_UART2, "dout_peri_uart2", "gout_peri_uart2",
216 CLK_CON_DIV_CLKCMU_PERI_UART2, 0, 4),
217 DIV(CLK_DOUT_PERI_USI0, "dout_peri_usi0", "gout_peri_usi0",
218 CLK_CON_DIV_CLKCMU_PERI_USI0, 0, 4),
219 DIV(CLK_DOUT_PERI_USI1, "dout_peri_usi1", "gout_peri_usi1",
220 CLK_CON_DIV_CLKCMU_PERI_USI1, 0, 4),
221 DIV(CLK_DOUT_PERI_USI2, "dout_peri_usi2", "gout_peri_usi2",
222 CLK_CON_DIV_CLKCMU_PERI_USI2, 0, 4),
225 static const struct samsung_gate_clock top_gate_clks[] __initconst = {
227 GATE(CLK_GOUT_CORE_BUS, "gout_core_bus", "mout_core_bus",
228 CLK_CON_GAT_GATE_CLKCMU_CORE_BUS, 21, 0, 0),
229 GATE(CLK_GOUT_CORE_CCI, "gout_core_cci", "mout_core_cci",
230 CLK_CON_GAT_GATE_CLKCMU_CORE_CCI, 21, 0, 0),
231 GATE(CLK_GOUT_CORE_G3D, "gout_core_g3d", "mout_core_g3d",
232 CLK_CON_GAT_GATE_CLKCMU_CORE_G3D, 21, 0, 0),
235 GATE(CLK_GOUT_PERI_BUS, "gout_peri_bus", "mout_peri_bus",
236 CLK_CON_GAT_GATE_CLKCMU_PERI_BUS, 21, 0, 0),
237 GATE(CLK_GOUT_PERI_SPI0, "gout_peri_spi0", "mout_peri_spi0",
238 CLK_CON_GAT_GATE_CLKCMU_PERI_SPI0, 21, 0, 0),
239 GATE(CLK_GOUT_PERI_SPI1, "gout_peri_spi1", "mout_peri_spi1",
240 CLK_CON_GAT_GATE_CLKCMU_PERI_SPI1, 21, 0, 0),
241 GATE(CLK_GOUT_PERI_UART0, "gout_peri_uart0", "mout_peri_uart0",
242 CLK_CON_GAT_GATE_CLKCMU_PERI_UART0, 21, 0, 0),
243 GATE(CLK_GOUT_PERI_UART1, "gout_peri_uart1", "mout_peri_uart1",
244 CLK_CON_GAT_GATE_CLKCMUC_PERI_UART1, 21, 0, 0),
245 GATE(CLK_GOUT_PERI_UART2, "gout_peri_uart2", "mout_peri_uart2",
246 CLK_CON_GAT_GATE_CLKCMU_PERI_UART2, 21, 0, 0),
247 GATE(CLK_GOUT_PERI_USI0, "gout_peri_usi0", "mout_peri_usi0",
248 CLK_CON_GAT_GATE_CLKCMU_PERI_USI0, 21, 0, 0),
249 GATE(CLK_GOUT_PERI_USI1, "gout_peri_usi1", "mout_peri_usi1",
250 CLK_CON_GAT_GATE_CLKCMU_PERI_USI1, 21, 0, 0),
251 GATE(CLK_GOUT_PERI_USI2, "gout_peri_usi2", "mout_peri_usi2",
252 CLK_CON_GAT_GATE_CLKCMU_PERI_USI2, 21, 0, 0),
255 static const struct samsung_cmu_info top_cmu_info __initconst = {
256 .pll_clks = top_pll_clks,
257 .nr_pll_clks = ARRAY_SIZE(top_pll_clks),
258 .mux_clks = top_mux_clks,
259 .nr_mux_clks = ARRAY_SIZE(top_mux_clks),
260 .div_clks = top_div_clks,
261 .nr_div_clks = ARRAY_SIZE(top_div_clks),
262 .gate_clks = top_gate_clks,
263 .nr_gate_clks = ARRAY_SIZE(top_gate_clks),
264 .nr_clk_ids = TOP_NR_CLK,
265 .clk_regs = top_clk_regs,
266 .nr_clk_regs = ARRAY_SIZE(top_clk_regs),
269 static void __init exynos7885_cmu_top_init(struct device_node *np)
271 exynos_arm64_register_cmu(NULL, np, &top_cmu_info);
274 /* Register CMU_TOP early, as it's a dependency for other early domains */
275 CLK_OF_DECLARE(exynos7885_cmu_top, "samsung,exynos7885-cmu-top",
276 exynos7885_cmu_top_init);
278 /* ---- CMU_PERI ------------------------------------------------------------ */
280 /* Register Offset definitions for CMU_PERI (0x10010000) */
281 #define PLL_CON0_MUX_CLKCMU_PERI_BUS_USER 0x0100
282 #define PLL_CON0_MUX_CLKCMU_PERI_SPI0_USER 0x0120
283 #define PLL_CON0_MUX_CLKCMU_PERI_SPI1_USER 0x0140
284 #define PLL_CON0_MUX_CLKCMU_PERI_UART0_USER 0x0160
285 #define PLL_CON0_MUX_CLKCMU_PERI_UART1_USER 0x0180
286 #define PLL_CON0_MUX_CLKCMU_PERI_UART2_USER 0x01a0
287 #define PLL_CON0_MUX_CLKCMU_PERI_USI0_USER 0x01c0
288 #define PLL_CON0_MUX_CLKCMU_PERI_USI1_USER 0x01e0
289 #define PLL_CON0_MUX_CLKCMU_PERI_USI2_USER 0x0200
290 #define CLK_CON_GAT_GOUT_PERI_GPIO_TOP_PCLK 0x2024
291 #define CLK_CON_GAT_GOUT_PERI_HSI2C_0_PCLK 0x2028
292 #define CLK_CON_GAT_GOUT_PERI_HSI2C_1_PCLK 0x202c
293 #define CLK_CON_GAT_GOUT_PERI_HSI2C_2_PCLK 0x2030
294 #define CLK_CON_GAT_GOUT_PERI_HSI2C_3_PCLK 0x2034
295 #define CLK_CON_GAT_GOUT_PERI_I2C_0_PCLK 0x2038
296 #define CLK_CON_GAT_GOUT_PERI_I2C_1_PCLK 0x203c
297 #define CLK_CON_GAT_GOUT_PERI_I2C_2_PCLK 0x2040
298 #define CLK_CON_GAT_GOUT_PERI_I2C_3_PCLK 0x2044
299 #define CLK_CON_GAT_GOUT_PERI_I2C_4_PCLK 0x2048
300 #define CLK_CON_GAT_GOUT_PERI_I2C_5_PCLK 0x204c
301 #define CLK_CON_GAT_GOUT_PERI_I2C_6_PCLK 0x2050
302 #define CLK_CON_GAT_GOUT_PERI_I2C_7_PCLK 0x2054
303 #define CLK_CON_GAT_GOUT_PERI_PWM_MOTOR_PCLK 0x2058
304 #define CLK_CON_GAT_GOUT_PERI_SPI_0_PCLK 0x205c
305 #define CLK_CON_GAT_GOUT_PERI_SPI_0_EXT_CLK 0x2060
306 #define CLK_CON_GAT_GOUT_PERI_SPI_1_PCLK 0x2064
307 #define CLK_CON_GAT_GOUT_PERI_SPI_1_EXT_CLK 0x2068
308 #define CLK_CON_GAT_GOUT_PERI_UART_0_EXT_UCLK 0x206c
309 #define CLK_CON_GAT_GOUT_PERI_UART_0_PCLK 0x2070
310 #define CLK_CON_GAT_GOUT_PERI_UART_1_EXT_UCLK 0x2074
311 #define CLK_CON_GAT_GOUT_PERI_UART_1_PCLK 0x2078
312 #define CLK_CON_GAT_GOUT_PERI_UART_2_EXT_UCLK 0x207c
313 #define CLK_CON_GAT_GOUT_PERI_UART_2_PCLK 0x2080
314 #define CLK_CON_GAT_GOUT_PERI_USI0_PCLK 0x2084
315 #define CLK_CON_GAT_GOUT_PERI_USI0_SCLK 0x2088
316 #define CLK_CON_GAT_GOUT_PERI_USI1_PCLK 0x208c
317 #define CLK_CON_GAT_GOUT_PERI_USI1_SCLK 0x2090
318 #define CLK_CON_GAT_GOUT_PERI_USI2_PCLK 0x2094
319 #define CLK_CON_GAT_GOUT_PERI_USI2_SCLK 0x2098
320 #define CLK_CON_GAT_GOUT_PERI_MCT_PCLK 0x20a0
321 #define CLK_CON_GAT_GOUT_PERI_SYSREG_PERI_PCLK 0x20b0
322 #define CLK_CON_GAT_GOUT_PERI_WDT_CLUSTER0_PCLK 0x20b4
323 #define CLK_CON_GAT_GOUT_PERI_WDT_CLUSTER1_PCLK 0x20b8
325 static const unsigned long peri_clk_regs[] __initconst = {
326 PLL_CON0_MUX_CLKCMU_PERI_BUS_USER,
327 PLL_CON0_MUX_CLKCMU_PERI_SPI0_USER,
328 PLL_CON0_MUX_CLKCMU_PERI_SPI1_USER,
329 PLL_CON0_MUX_CLKCMU_PERI_UART0_USER,
330 PLL_CON0_MUX_CLKCMU_PERI_UART1_USER,
331 PLL_CON0_MUX_CLKCMU_PERI_UART2_USER,
332 PLL_CON0_MUX_CLKCMU_PERI_USI0_USER,
333 PLL_CON0_MUX_CLKCMU_PERI_USI1_USER,
334 PLL_CON0_MUX_CLKCMU_PERI_USI2_USER,
335 CLK_CON_GAT_GOUT_PERI_GPIO_TOP_PCLK,
336 CLK_CON_GAT_GOUT_PERI_HSI2C_0_PCLK,
337 CLK_CON_GAT_GOUT_PERI_HSI2C_1_PCLK,
338 CLK_CON_GAT_GOUT_PERI_HSI2C_2_PCLK,
339 CLK_CON_GAT_GOUT_PERI_HSI2C_3_PCLK,
340 CLK_CON_GAT_GOUT_PERI_I2C_0_PCLK,
341 CLK_CON_GAT_GOUT_PERI_I2C_1_PCLK,
342 CLK_CON_GAT_GOUT_PERI_I2C_2_PCLK,
343 CLK_CON_GAT_GOUT_PERI_I2C_3_PCLK,
344 CLK_CON_GAT_GOUT_PERI_I2C_4_PCLK,
345 CLK_CON_GAT_GOUT_PERI_I2C_5_PCLK,
346 CLK_CON_GAT_GOUT_PERI_I2C_6_PCLK,
347 CLK_CON_GAT_GOUT_PERI_I2C_7_PCLK,
348 CLK_CON_GAT_GOUT_PERI_PWM_MOTOR_PCLK,
349 CLK_CON_GAT_GOUT_PERI_SPI_0_PCLK,
350 CLK_CON_GAT_GOUT_PERI_SPI_0_EXT_CLK,
351 CLK_CON_GAT_GOUT_PERI_SPI_1_PCLK,
352 CLK_CON_GAT_GOUT_PERI_SPI_1_EXT_CLK,
353 CLK_CON_GAT_GOUT_PERI_UART_0_EXT_UCLK,
354 CLK_CON_GAT_GOUT_PERI_UART_0_PCLK,
355 CLK_CON_GAT_GOUT_PERI_UART_1_EXT_UCLK,
356 CLK_CON_GAT_GOUT_PERI_UART_1_PCLK,
357 CLK_CON_GAT_GOUT_PERI_UART_2_EXT_UCLK,
358 CLK_CON_GAT_GOUT_PERI_UART_2_PCLK,
359 CLK_CON_GAT_GOUT_PERI_USI0_PCLK,
360 CLK_CON_GAT_GOUT_PERI_USI0_SCLK,
361 CLK_CON_GAT_GOUT_PERI_USI1_PCLK,
362 CLK_CON_GAT_GOUT_PERI_USI1_SCLK,
363 CLK_CON_GAT_GOUT_PERI_USI2_PCLK,
364 CLK_CON_GAT_GOUT_PERI_USI2_SCLK,
365 CLK_CON_GAT_GOUT_PERI_MCT_PCLK,
366 CLK_CON_GAT_GOUT_PERI_SYSREG_PERI_PCLK,
367 CLK_CON_GAT_GOUT_PERI_WDT_CLUSTER0_PCLK,
368 CLK_CON_GAT_GOUT_PERI_WDT_CLUSTER1_PCLK,
371 /* List of parent clocks for Muxes in CMU_PERI */
372 PNAME(mout_peri_bus_user_p) = { "oscclk", "dout_peri_bus" };
373 PNAME(mout_peri_spi0_user_p) = { "oscclk", "dout_peri_spi0" };
374 PNAME(mout_peri_spi1_user_p) = { "oscclk", "dout_peri_spi1" };
375 PNAME(mout_peri_uart0_user_p) = { "oscclk", "dout_peri_uart0" };
376 PNAME(mout_peri_uart1_user_p) = { "oscclk", "dout_peri_uart1" };
377 PNAME(mout_peri_uart2_user_p) = { "oscclk", "dout_peri_uart2" };
378 PNAME(mout_peri_usi0_user_p) = { "oscclk", "dout_peri_usi0" };
379 PNAME(mout_peri_usi1_user_p) = { "oscclk", "dout_peri_usi1" };
380 PNAME(mout_peri_usi2_user_p) = { "oscclk", "dout_peri_usi2" };
382 static const struct samsung_mux_clock peri_mux_clks[] __initconst = {
383 MUX(CLK_MOUT_PERI_BUS_USER, "mout_peri_bus_user", mout_peri_bus_user_p,
384 PLL_CON0_MUX_CLKCMU_PERI_BUS_USER, 4, 1),
385 MUX(CLK_MOUT_PERI_SPI0_USER, "mout_peri_spi0_user", mout_peri_spi0_user_p,
386 PLL_CON0_MUX_CLKCMU_PERI_SPI0_USER, 4, 1),
387 MUX(CLK_MOUT_PERI_SPI1_USER, "mout_peri_spi1_user", mout_peri_spi1_user_p,
388 PLL_CON0_MUX_CLKCMU_PERI_SPI1_USER, 4, 1),
389 MUX(CLK_MOUT_PERI_UART0_USER, "mout_peri_uart0_user",
390 mout_peri_uart0_user_p, PLL_CON0_MUX_CLKCMU_PERI_UART0_USER, 4, 1),
391 MUX(CLK_MOUT_PERI_UART1_USER, "mout_peri_uart1_user",
392 mout_peri_uart1_user_p, PLL_CON0_MUX_CLKCMU_PERI_UART1_USER, 4, 1),
393 MUX(CLK_MOUT_PERI_UART2_USER, "mout_peri_uart2_user",
394 mout_peri_uart2_user_p, PLL_CON0_MUX_CLKCMU_PERI_UART2_USER, 4, 1),
395 MUX(CLK_MOUT_PERI_USI0_USER, "mout_peri_usi0_user",
396 mout_peri_usi0_user_p, PLL_CON0_MUX_CLKCMU_PERI_USI0_USER, 4, 1),
397 MUX(CLK_MOUT_PERI_USI1_USER, "mout_peri_usi1_user",
398 mout_peri_usi1_user_p, PLL_CON0_MUX_CLKCMU_PERI_USI1_USER, 4, 1),
399 MUX(CLK_MOUT_PERI_USI2_USER, "mout_peri_usi2_user",
400 mout_peri_usi2_user_p, PLL_CON0_MUX_CLKCMU_PERI_USI2_USER, 4, 1),
403 static const struct samsung_gate_clock peri_gate_clks[] __initconst = {
404 /* TODO: Should be enabled in GPIO driver (or made CLK_IS_CRITICAL) */
405 GATE(CLK_GOUT_GPIO_TOP_PCLK, "gout_gpio_top_pclk",
406 "mout_peri_bus_user",
407 CLK_CON_GAT_GOUT_PERI_GPIO_TOP_PCLK, 21, CLK_IGNORE_UNUSED, 0),
408 GATE(CLK_GOUT_HSI2C0_PCLK, "gout_hsi2c0_pclk", "mout_peri_bus_user",
409 CLK_CON_GAT_GOUT_PERI_HSI2C_0_PCLK, 21, 0, 0),
410 GATE(CLK_GOUT_HSI2C1_PCLK, "gout_hsi2c1_pclk", "mout_peri_bus_user",
411 CLK_CON_GAT_GOUT_PERI_HSI2C_1_PCLK, 21, 0, 0),
412 GATE(CLK_GOUT_HSI2C2_PCLK, "gout_hsi2c2_pclk", "mout_peri_bus_user",
413 CLK_CON_GAT_GOUT_PERI_HSI2C_2_PCLK, 21, 0, 0),
414 GATE(CLK_GOUT_HSI2C3_PCLK, "gout_hsi2c3_pclk", "mout_peri_bus_user",
415 CLK_CON_GAT_GOUT_PERI_HSI2C_3_PCLK, 21, 0, 0),
416 GATE(CLK_GOUT_I2C0_PCLK, "gout_i2c0_pclk", "mout_peri_bus_user",
417 CLK_CON_GAT_GOUT_PERI_I2C_0_PCLK, 21, 0, 0),
418 GATE(CLK_GOUT_I2C1_PCLK, "gout_i2c1_pclk", "mout_peri_bus_user",
419 CLK_CON_GAT_GOUT_PERI_I2C_1_PCLK, 21, 0, 0),
420 GATE(CLK_GOUT_I2C2_PCLK, "gout_i2c2_pclk", "mout_peri_bus_user",
421 CLK_CON_GAT_GOUT_PERI_I2C_2_PCLK, 21, 0, 0),
422 GATE(CLK_GOUT_I2C3_PCLK, "gout_i2c3_pclk", "mout_peri_bus_user",
423 CLK_CON_GAT_GOUT_PERI_I2C_3_PCLK, 21, 0, 0),
424 GATE(CLK_GOUT_I2C4_PCLK, "gout_i2c4_pclk", "mout_peri_bus_user",
425 CLK_CON_GAT_GOUT_PERI_I2C_4_PCLK, 21, 0, 0),
426 GATE(CLK_GOUT_I2C5_PCLK, "gout_i2c5_pclk", "mout_peri_bus_user",
427 CLK_CON_GAT_GOUT_PERI_I2C_5_PCLK, 21, 0, 0),
428 GATE(CLK_GOUT_I2C6_PCLK, "gout_i2c6_pclk", "mout_peri_bus_user",
429 CLK_CON_GAT_GOUT_PERI_I2C_6_PCLK, 21, 0, 0),
430 GATE(CLK_GOUT_I2C7_PCLK, "gout_i2c7_pclk", "mout_peri_bus_user",
431 CLK_CON_GAT_GOUT_PERI_I2C_7_PCLK, 21, 0, 0),
432 GATE(CLK_GOUT_PWM_MOTOR_PCLK, "gout_pwm_motor_pclk",
433 "mout_peri_bus_user",
434 CLK_CON_GAT_GOUT_PERI_PWM_MOTOR_PCLK, 21, 0, 0),
435 GATE(CLK_GOUT_SPI0_PCLK, "gout_spi0_pclk", "mout_peri_bus_user",
436 CLK_CON_GAT_GOUT_PERI_SPI_0_PCLK, 21, 0, 0),
437 GATE(CLK_GOUT_SPI0_EXT_CLK, "gout_spi0_ipclk", "mout_peri_spi0_user",
438 CLK_CON_GAT_GOUT_PERI_SPI_0_EXT_CLK, 21, 0, 0),
439 GATE(CLK_GOUT_SPI1_PCLK, "gout_spi1_pclk", "mout_peri_bus_user",
440 CLK_CON_GAT_GOUT_PERI_SPI_1_PCLK, 21, 0, 0),
441 GATE(CLK_GOUT_SPI1_EXT_CLK, "gout_spi1_ipclk", "mout_peri_spi1_user",
442 CLK_CON_GAT_GOUT_PERI_SPI_1_EXT_CLK, 21, 0, 0),
443 GATE(CLK_GOUT_UART0_EXT_UCLK, "gout_uart0_ext_uclk", "mout_peri_uart0_user",
444 CLK_CON_GAT_GOUT_PERI_UART_0_EXT_UCLK, 21, 0, 0),
445 GATE(CLK_GOUT_UART0_PCLK, "gout_uart0_pclk", "mout_peri_bus_user",
446 CLK_CON_GAT_GOUT_PERI_UART_0_PCLK, 21, 0, 0),
447 GATE(CLK_GOUT_UART1_EXT_UCLK, "gout_uart1_ext_uclk", "mout_peri_uart1_user",
448 CLK_CON_GAT_GOUT_PERI_UART_1_EXT_UCLK, 21, 0, 0),
449 GATE(CLK_GOUT_UART1_PCLK, "gout_uart1_pclk", "mout_peri_bus_user",
450 CLK_CON_GAT_GOUT_PERI_UART_1_PCLK, 21, 0, 0),
451 GATE(CLK_GOUT_UART2_EXT_UCLK, "gout_uart2_ext_uclk", "mout_peri_uart2_user",
452 CLK_CON_GAT_GOUT_PERI_UART_2_EXT_UCLK, 21, 0, 0),
453 GATE(CLK_GOUT_UART2_PCLK, "gout_uart2_pclk", "mout_peri_bus_user",
454 CLK_CON_GAT_GOUT_PERI_UART_2_PCLK, 21, 0, 0),
455 GATE(CLK_GOUT_USI0_PCLK, "gout_usi0_pclk", "mout_peri_bus_user",
456 CLK_CON_GAT_GOUT_PERI_USI0_PCLK, 21, 0, 0),
457 GATE(CLK_GOUT_USI0_SCLK, "gout_usi0_sclk", "mout_peri_usi0_user",
458 CLK_CON_GAT_GOUT_PERI_USI0_SCLK, 21, 0, 0),
459 GATE(CLK_GOUT_USI1_PCLK, "gout_usi1_pclk", "mout_peri_bus_user",
460 CLK_CON_GAT_GOUT_PERI_USI1_PCLK, 21, 0, 0),
461 GATE(CLK_GOUT_USI1_SCLK, "gout_usi1_sclk", "mout_peri_usi1_user",
462 CLK_CON_GAT_GOUT_PERI_USI1_SCLK, 21, 0, 0),
463 GATE(CLK_GOUT_USI2_PCLK, "gout_usi2_pclk", "mout_peri_bus_user",
464 CLK_CON_GAT_GOUT_PERI_USI2_PCLK, 21, 0, 0),
465 GATE(CLK_GOUT_USI2_SCLK, "gout_usi2_sclk", "mout_peri_usi2_user",
466 CLK_CON_GAT_GOUT_PERI_USI2_SCLK, 21, 0, 0),
467 GATE(CLK_GOUT_MCT_PCLK, "gout_mct_pclk", "mout_peri_bus_user",
468 CLK_CON_GAT_GOUT_PERI_MCT_PCLK, 21, 0, 0),
469 GATE(CLK_GOUT_SYSREG_PERI_PCLK, "gout_sysreg_peri_pclk",
470 "mout_peri_bus_user",
471 CLK_CON_GAT_GOUT_PERI_SYSREG_PERI_PCLK, 21, 0, 0),
472 GATE(CLK_GOUT_WDT0_PCLK, "gout_wdt0_pclk", "mout_peri_bus_user",
473 CLK_CON_GAT_GOUT_PERI_WDT_CLUSTER0_PCLK, 21, 0, 0),
474 GATE(CLK_GOUT_WDT1_PCLK, "gout_wdt1_pclk", "mout_peri_bus_user",
475 CLK_CON_GAT_GOUT_PERI_WDT_CLUSTER1_PCLK, 21, 0, 0),
478 static const struct samsung_cmu_info peri_cmu_info __initconst = {
479 .mux_clks = peri_mux_clks,
480 .nr_mux_clks = ARRAY_SIZE(peri_mux_clks),
481 .gate_clks = peri_gate_clks,
482 .nr_gate_clks = ARRAY_SIZE(peri_gate_clks),
483 .nr_clk_ids = PERI_NR_CLK,
484 .clk_regs = peri_clk_regs,
485 .nr_clk_regs = ARRAY_SIZE(peri_clk_regs),
486 .clk_name = "dout_peri_bus",
489 static void __init exynos7885_cmu_peri_init(struct device_node *np)
491 exynos_arm64_register_cmu(NULL, np, &peri_cmu_info);
494 /* Register CMU_PERI early, as it's needed for MCT timer */
495 CLK_OF_DECLARE(exynos7885_cmu_peri, "samsung,exynos7885-cmu-peri",
496 exynos7885_cmu_peri_init);
498 /* ---- CMU_CORE ------------------------------------------------------------ */
500 /* Register Offset definitions for CMU_CORE (0x12000000) */
501 #define PLL_CON0_MUX_CLKCMU_CORE_BUS_USER 0x0100
502 #define PLL_CON0_MUX_CLKCMU_CORE_CCI_USER 0x0120
503 #define PLL_CON0_MUX_CLKCMU_CORE_G3D_USER 0x0140
504 #define CLK_CON_MUX_MUX_CLK_CORE_GIC 0x1000
505 #define CLK_CON_DIV_DIV_CLK_CORE_BUSP 0x1800
506 #define CLK_CON_GAT_GOUT_CORE_CCI_550_ACLK 0x2054
507 #define CLK_CON_GAT_GOUT_CORE_GIC400_CLK 0x2058
509 static const unsigned long core_clk_regs[] __initconst = {
510 PLL_CON0_MUX_CLKCMU_CORE_BUS_USER,
511 PLL_CON0_MUX_CLKCMU_CORE_CCI_USER,
512 PLL_CON0_MUX_CLKCMU_CORE_G3D_USER,
513 CLK_CON_MUX_MUX_CLK_CORE_GIC,
514 CLK_CON_DIV_DIV_CLK_CORE_BUSP,
515 CLK_CON_GAT_GOUT_CORE_CCI_550_ACLK,
516 CLK_CON_GAT_GOUT_CORE_GIC400_CLK,
519 /* List of parent clocks for Muxes in CMU_CORE */
520 PNAME(mout_core_bus_user_p) = { "oscclk", "dout_core_bus" };
521 PNAME(mout_core_cci_user_p) = { "oscclk", "dout_core_cci" };
522 PNAME(mout_core_g3d_user_p) = { "oscclk", "dout_core_g3d" };
523 PNAME(mout_core_gic_p) = { "dout_core_busp", "oscclk" };
525 static const struct samsung_mux_clock core_mux_clks[] __initconst = {
526 MUX(CLK_MOUT_CORE_BUS_USER, "mout_core_bus_user", mout_core_bus_user_p,
527 PLL_CON0_MUX_CLKCMU_CORE_BUS_USER, 4, 1),
528 MUX(CLK_MOUT_CORE_CCI_USER, "mout_core_cci_user", mout_core_cci_user_p,
529 PLL_CON0_MUX_CLKCMU_CORE_CCI_USER, 4, 1),
530 MUX(CLK_MOUT_CORE_G3D_USER, "mout_core_g3d_user", mout_core_g3d_user_p,
531 PLL_CON0_MUX_CLKCMU_CORE_G3D_USER, 4, 1),
532 MUX(CLK_MOUT_CORE_GIC, "mout_core_gic", mout_core_gic_p,
533 CLK_CON_MUX_MUX_CLK_CORE_GIC, 0, 1),
536 static const struct samsung_div_clock core_div_clks[] __initconst = {
537 DIV(CLK_DOUT_CORE_BUSP, "dout_core_busp", "mout_core_bus_user",
538 CLK_CON_DIV_DIV_CLK_CORE_BUSP, 0, 2),
541 static const struct samsung_gate_clock core_gate_clks[] __initconst = {
542 /* CCI (interconnect) clock must be always running */
543 GATE(CLK_GOUT_CCI_ACLK, "gout_cci_aclk", "mout_core_cci_user",
544 CLK_CON_GAT_GOUT_CORE_CCI_550_ACLK, 21, CLK_IS_CRITICAL, 0),
545 /* GIC (interrupt controller) clock must be always running */
546 GATE(CLK_GOUT_GIC400_CLK, "gout_gic400_clk", "mout_core_gic",
547 CLK_CON_GAT_GOUT_CORE_GIC400_CLK, 21, CLK_IS_CRITICAL, 0),
550 static const struct samsung_cmu_info core_cmu_info __initconst = {
551 .mux_clks = core_mux_clks,
552 .nr_mux_clks = ARRAY_SIZE(core_mux_clks),
553 .div_clks = core_div_clks,
554 .nr_div_clks = ARRAY_SIZE(core_div_clks),
555 .gate_clks = core_gate_clks,
556 .nr_gate_clks = ARRAY_SIZE(core_gate_clks),
557 .nr_clk_ids = CORE_NR_CLK,
558 .clk_regs = core_clk_regs,
559 .nr_clk_regs = ARRAY_SIZE(core_clk_regs),
560 .clk_name = "dout_core_bus",
563 /* ---- platform_driver ----------------------------------------------------- */
565 static int __init exynos7885_cmu_probe(struct platform_device *pdev)
567 const struct samsung_cmu_info *info;
568 struct device *dev = &pdev->dev;
570 info = of_device_get_match_data(dev);
571 exynos_arm64_register_cmu(dev, dev->of_node, info);
576 static const struct of_device_id exynos7885_cmu_of_match[] = {
578 .compatible = "samsung,exynos7885-cmu-core",
579 .data = &core_cmu_info,
584 static struct platform_driver exynos7885_cmu_driver __refdata = {
586 .name = "exynos7885-cmu",
587 .of_match_table = exynos7885_cmu_of_match,
588 .suppress_bind_attrs = true,
590 .probe = exynos7885_cmu_probe,
593 static int __init exynos7885_cmu_init(void)
595 return platform_driver_register(&exynos7885_cmu_driver);
597 core_initcall(exynos7885_cmu_init);