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9#include <dt-bindings/clock/exynos5410.h>
10
11#include <linux/clk-provider.h>
12#include <linux/of.h>
13#include <linux/of_address.h>
14#include <linux/clk.h>
15
16#include "clk.h"
17
18#define APLL_LOCK 0x0
19#define APLL_CON0 0x100
20#define CPLL_LOCK 0x10020
21#define CPLL_CON0 0x10120
22#define EPLL_LOCK 0x10040
23#define EPLL_CON0 0x10130
24#define MPLL_LOCK 0x4000
25#define MPLL_CON0 0x4100
26#define BPLL_LOCK 0x20010
27#define BPLL_CON0 0x20110
28#define KPLL_LOCK 0x28000
29#define KPLL_CON0 0x28100
30
31#define SRC_CPU 0x200
32#define DIV_CPU0 0x500
33#define SRC_CPERI1 0x4204
34#define GATE_IP_G2D 0x8800
35#define DIV_TOP0 0x10510
36#define DIV_TOP1 0x10514
37#define DIV_FSYS0 0x10548
38#define DIV_FSYS1 0x1054c
39#define DIV_FSYS2 0x10550
40#define DIV_PERIC0 0x10558
41#define DIV_PERIC3 0x10564
42#define SRC_TOP0 0x10210
43#define SRC_TOP1 0x10214
44#define SRC_TOP2 0x10218
45#define SRC_FSYS 0x10244
46#define SRC_PERIC0 0x10250
47#define SRC_MASK_FSYS 0x10340
48#define SRC_MASK_PERIC0 0x10350
49#define GATE_BUS_FSYS0 0x10740
50#define GATE_TOP_SCLK_FSYS 0x10840
51#define GATE_TOP_SCLK_PERIC 0x10850
52#define GATE_IP_FSYS 0x10944
53#define GATE_IP_PERIC 0x10950
54#define GATE_IP_PERIS 0x10960
55#define SRC_CDREX 0x20200
56#define SRC_KFC 0x28200
57#define DIV_KFC0 0x28500
58
59
60enum exynos5410_plls {
61 apll, cpll, epll, mpll,
62 bpll, kpll,
63 nr_plls
64};
65
66
67PNAME(apll_p) = { "fin_pll", "fout_apll", };
68PNAME(bpll_p) = { "fin_pll", "fout_bpll", };
69PNAME(cpll_p) = { "fin_pll", "fout_cpll" };
70PNAME(epll_p) = { "fin_pll", "fout_epll" };
71PNAME(mpll_p) = { "fin_pll", "fout_mpll", };
72PNAME(kpll_p) = { "fin_pll", "fout_kpll", };
73
74PNAME(mout_cpu_p) = { "mout_apll", "sclk_mpll", };
75PNAME(mout_kfc_p) = { "mout_kpll", "sclk_mpll", };
76
77PNAME(mpll_user_p) = { "fin_pll", "sclk_mpll", };
78PNAME(bpll_user_p) = { "fin_pll", "sclk_bpll", };
79PNAME(mpll_bpll_p) = { "sclk_mpll_muxed", "sclk_bpll_muxed", };
80PNAME(sclk_mpll_bpll_p) = { "sclk_mpll_bpll", "fin_pll", };
81
82PNAME(group2_p) = { "fin_pll", "fin_pll", "none", "none",
83 "none", "none", "sclk_mpll_bpll",
84 "none", "none", "sclk_cpll" };
85
86static const struct samsung_mux_clock exynos5410_mux_clks[] __initconst = {
87 MUX(0, "mout_apll", apll_p, SRC_CPU, 0, 1),
88 MUX(0, "mout_cpu", mout_cpu_p, SRC_CPU, 16, 1),
89
90 MUX(0, "mout_kpll", kpll_p, SRC_KFC, 0, 1),
91 MUX(0, "mout_kfc", mout_kfc_p, SRC_KFC, 16, 1),
92
93 MUX(0, "sclk_mpll", mpll_p, SRC_CPERI1, 8, 1),
94 MUX(0, "sclk_mpll_muxed", mpll_user_p, SRC_TOP2, 20, 1),
95
96 MUX(0, "sclk_bpll", bpll_p, SRC_CDREX, 0, 1),
97 MUX(0, "sclk_bpll_muxed", bpll_user_p, SRC_TOP2, 24, 1),
98
99 MUX(0, "sclk_epll", epll_p, SRC_TOP2, 12, 1),
100
101 MUX(0, "sclk_cpll", cpll_p, SRC_TOP2, 8, 1),
102
103 MUX(0, "sclk_mpll_bpll", mpll_bpll_p, SRC_TOP1, 20, 1),
104
105 MUX(0, "mout_mmc0", group2_p, SRC_FSYS, 0, 4),
106 MUX(0, "mout_mmc1", group2_p, SRC_FSYS, 4, 4),
107 MUX(0, "mout_mmc2", group2_p, SRC_FSYS, 8, 4),
108 MUX(0, "mout_usbd300", sclk_mpll_bpll_p, SRC_FSYS, 28, 1),
109 MUX(0, "mout_usbd301", sclk_mpll_bpll_p, SRC_FSYS, 29, 1),
110
111 MUX(0, "mout_uart0", group2_p, SRC_PERIC0, 0, 4),
112 MUX(0, "mout_uart1", group2_p, SRC_PERIC0, 4, 4),
113 MUX(0, "mout_uart2", group2_p, SRC_PERIC0, 8, 4),
114 MUX(0, "mout_uart3", group2_p, SRC_PERIC0, 12, 4),
115 MUX(0, "mout_pwm", group2_p, SRC_PERIC0, 24, 4),
116
117 MUX(0, "mout_aclk200", mpll_bpll_p, SRC_TOP0, 12, 1),
118 MUX(0, "mout_aclk400", mpll_bpll_p, SRC_TOP0, 20, 1),
119};
120
121static const struct samsung_div_clock exynos5410_div_clks[] __initconst = {
122 DIV(0, "div_arm", "mout_cpu", DIV_CPU0, 0, 3),
123 DIV(0, "div_arm2", "div_arm", DIV_CPU0, 28, 3),
124
125 DIV(0, "div_acp", "div_arm2", DIV_CPU0, 8, 3),
126 DIV(0, "div_cpud", "div_arm2", DIV_CPU0, 4, 3),
127 DIV(0, "div_atb", "div_arm2", DIV_CPU0, 16, 3),
128 DIV(0, "pclk_dbg", "div_arm2", DIV_CPU0, 20, 3),
129
130 DIV(0, "div_kfc", "mout_kfc", DIV_KFC0, 0, 3),
131 DIV(0, "div_aclk", "div_kfc", DIV_KFC0, 4, 3),
132 DIV(0, "div_pclk", "div_kfc", DIV_KFC0, 20, 3),
133
134 DIV(0, "aclk66_pre", "sclk_mpll_muxed", DIV_TOP1, 24, 3),
135 DIV(0, "aclk66", "aclk66_pre", DIV_TOP0, 0, 3),
136
137 DIV(0, "dout_usbphy300", "mout_usbd300", DIV_FSYS0, 16, 4),
138 DIV(0, "dout_usbphy301", "mout_usbd301", DIV_FSYS0, 20, 4),
139 DIV(0, "dout_usbd300", "mout_usbd300", DIV_FSYS0, 24, 4),
140 DIV(0, "dout_usbd301", "mout_usbd301", DIV_FSYS0, 28, 4),
141
142 DIV(0, "div_mmc0", "mout_mmc0", DIV_FSYS1, 0, 4),
143 DIV(0, "div_mmc1", "mout_mmc1", DIV_FSYS1, 16, 4),
144 DIV(0, "div_mmc2", "mout_mmc2", DIV_FSYS2, 0, 4),
145
146 DIV_F(0, "div_mmc_pre0", "div_mmc0",
147 DIV_FSYS1, 8, 8, CLK_SET_RATE_PARENT, 0),
148 DIV_F(0, "div_mmc_pre1", "div_mmc1",
149 DIV_FSYS1, 24, 8, CLK_SET_RATE_PARENT, 0),
150 DIV_F(0, "div_mmc_pre2", "div_mmc2",
151 DIV_FSYS2, 8, 8, CLK_SET_RATE_PARENT, 0),
152
153 DIV(0, "div_uart0", "mout_uart0", DIV_PERIC0, 0, 4),
154 DIV(0, "div_uart1", "mout_uart1", DIV_PERIC0, 4, 4),
155 DIV(0, "div_uart2", "mout_uart2", DIV_PERIC0, 8, 4),
156 DIV(0, "div_uart3", "mout_uart3", DIV_PERIC0, 12, 4),
157
158 DIV(0, "dout_pwm", "mout_pwm", DIV_PERIC3, 0, 4),
159
160 DIV(0, "aclk200", "mout_aclk200", DIV_TOP0, 12, 3),
161 DIV(0, "aclk266", "mpll_user_p", DIV_TOP0, 16, 3),
162 DIV(0, "aclk400", "mout_aclk400", DIV_TOP0, 24, 3),
163};
164
165static const struct samsung_gate_clock exynos5410_gate_clks[] __initconst = {
166 GATE(CLK_SSS, "sss", "aclk266", GATE_IP_G2D, 2, 0, 0),
167 GATE(CLK_MCT, "mct", "aclk66", GATE_IP_PERIS, 18, 0, 0),
168 GATE(CLK_WDT, "wdt", "aclk66", GATE_IP_PERIS, 19, 0, 0),
169 GATE(CLK_RTC, "rtc", "aclk66", GATE_IP_PERIS, 20, 0, 0),
170 GATE(CLK_TMU, "tmu", "aclk66", GATE_IP_PERIS, 21, 0, 0),
171
172 GATE(CLK_SCLK_MMC0, "sclk_mmc0", "div_mmc_pre0",
173 SRC_MASK_FSYS, 0, CLK_SET_RATE_PARENT, 0),
174 GATE(CLK_SCLK_MMC1, "sclk_mmc1", "div_mmc_pre1",
175 SRC_MASK_FSYS, 4, CLK_SET_RATE_PARENT, 0),
176 GATE(CLK_SCLK_MMC2, "sclk_mmc2", "div_mmc_pre2",
177 SRC_MASK_FSYS, 8, CLK_SET_RATE_PARENT, 0),
178
179 GATE(CLK_MMC0, "sdmmc0", "aclk200", GATE_BUS_FSYS0, 12, 0, 0),
180 GATE(CLK_MMC1, "sdmmc1", "aclk200", GATE_BUS_FSYS0, 13, 0, 0),
181 GATE(CLK_MMC2, "sdmmc2", "aclk200", GATE_BUS_FSYS0, 14, 0, 0),
182 GATE(CLK_PDMA1, "pdma1", "aclk200", GATE_BUS_FSYS0, 2, 0, 0),
183 GATE(CLK_PDMA0, "pdma0", "aclk200", GATE_BUS_FSYS0, 1, 0, 0),
184
185 GATE(CLK_SCLK_USBPHY301, "sclk_usbphy301", "dout_usbphy301",
186 GATE_TOP_SCLK_FSYS, 7, CLK_SET_RATE_PARENT, 0),
187 GATE(CLK_SCLK_USBPHY300, "sclk_usbphy300", "dout_usbphy300",
188 GATE_TOP_SCLK_FSYS, 8, CLK_SET_RATE_PARENT, 0),
189 GATE(CLK_SCLK_USBD300, "sclk_usbd300", "dout_usbd300",
190 GATE_TOP_SCLK_FSYS, 9, CLK_SET_RATE_PARENT, 0),
191 GATE(CLK_SCLK_USBD301, "sclk_usbd301", "dout_usbd301",
192 GATE_TOP_SCLK_FSYS, 10, CLK_SET_RATE_PARENT, 0),
193
194 GATE(CLK_SCLK_PWM, "sclk_pwm", "dout_pwm",
195 GATE_TOP_SCLK_PERIC, 11, CLK_SET_RATE_PARENT, 0),
196
197 GATE(CLK_UART0, "uart0", "aclk66", GATE_IP_PERIC, 0, 0, 0),
198 GATE(CLK_UART1, "uart1", "aclk66", GATE_IP_PERIC, 1, 0, 0),
199 GATE(CLK_UART2, "uart2", "aclk66", GATE_IP_PERIC, 2, 0, 0),
200 GATE(CLK_UART3, "uart3", "aclk66", GATE_IP_PERIC, 3, 0, 0),
201 GATE(CLK_I2C0, "i2c0", "aclk66", GATE_IP_PERIC, 6, 0, 0),
202 GATE(CLK_I2C1, "i2c1", "aclk66", GATE_IP_PERIC, 7, 0, 0),
203 GATE(CLK_I2C2, "i2c2", "aclk66", GATE_IP_PERIC, 8, 0, 0),
204 GATE(CLK_I2C3, "i2c3", "aclk66", GATE_IP_PERIC, 9, 0, 0),
205 GATE(CLK_USI0, "usi0", "aclk66", GATE_IP_PERIC, 10, 0, 0),
206 GATE(CLK_USI1, "usi1", "aclk66", GATE_IP_PERIC, 11, 0, 0),
207 GATE(CLK_USI2, "usi2", "aclk66", GATE_IP_PERIC, 12, 0, 0),
208 GATE(CLK_USI3, "usi3", "aclk66", GATE_IP_PERIC, 13, 0, 0),
209 GATE(CLK_TSADC, "tsadc", "aclk66", GATE_IP_PERIC, 15, 0, 0),
210 GATE(CLK_PWM, "pwm", "aclk66", GATE_IP_PERIC, 24, 0, 0),
211
212 GATE(CLK_SCLK_UART0, "sclk_uart0", "div_uart0",
213 SRC_MASK_PERIC0, 0, CLK_SET_RATE_PARENT, 0),
214 GATE(CLK_SCLK_UART1, "sclk_uart1", "div_uart1",
215 SRC_MASK_PERIC0, 4, CLK_SET_RATE_PARENT, 0),
216 GATE(CLK_SCLK_UART2, "sclk_uart2", "div_uart2",
217 SRC_MASK_PERIC0, 8, CLK_SET_RATE_PARENT, 0),
218 GATE(CLK_SCLK_UART3, "sclk_uart3", "div_uart3",
219 SRC_MASK_PERIC0, 12, CLK_SET_RATE_PARENT, 0),
220
221 GATE(CLK_USBH20, "usbh20", "aclk200_fsys", GATE_IP_FSYS, 18, 0, 0),
222 GATE(CLK_USBD300, "usbd300", "aclk200_fsys", GATE_IP_FSYS, 19, 0, 0),
223 GATE(CLK_USBD301, "usbd301", "aclk200_fsys", GATE_IP_FSYS, 20, 0, 0),
224};
225
226static const struct samsung_pll_rate_table exynos5410_pll2550x_24mhz_tbl[] __initconst = {
227 PLL_36XX_RATE(24 * MHZ, 400000000U, 200, 3, 2, 0),
228 PLL_36XX_RATE(24 * MHZ, 333000000U, 111, 2, 2, 0),
229 PLL_36XX_RATE(24 * MHZ, 300000000U, 100, 2, 2, 0),
230 PLL_36XX_RATE(24 * MHZ, 266000000U, 266, 3, 3, 0),
231 PLL_36XX_RATE(24 * MHZ, 200000000U, 200, 3, 3, 0),
232 PLL_36XX_RATE(24 * MHZ, 192000000U, 192, 3, 3, 0),
233 PLL_36XX_RATE(24 * MHZ, 166000000U, 166, 3, 3, 0),
234 PLL_36XX_RATE(24 * MHZ, 133000000U, 266, 3, 4, 0),
235 PLL_36XX_RATE(24 * MHZ, 100000000U, 200, 3, 4, 0),
236 PLL_36XX_RATE(24 * MHZ, 66000000U, 176, 2, 5, 0),
237};
238
239static struct samsung_pll_clock exynos5410_plls[nr_plls] __initdata = {
240 [apll] = PLL(pll_35xx, CLK_FOUT_APLL, "fout_apll", "fin_pll", APLL_LOCK,
241 APLL_CON0, NULL),
242 [cpll] = PLL(pll_35xx, CLK_FOUT_CPLL, "fout_cpll", "fin_pll", CPLL_LOCK,
243 CPLL_CON0, NULL),
244 [epll] = PLL(pll_2650x, CLK_FOUT_EPLL, "fout_epll", "fin_pll", EPLL_LOCK,
245 EPLL_CON0, NULL),
246 [mpll] = PLL(pll_35xx, CLK_FOUT_MPLL, "fout_mpll", "fin_pll", MPLL_LOCK,
247 MPLL_CON0, NULL),
248 [bpll] = PLL(pll_35xx, CLK_FOUT_BPLL, "fout_bpll", "fin_pll", BPLL_LOCK,
249 BPLL_CON0, NULL),
250 [kpll] = PLL(pll_35xx, CLK_FOUT_KPLL, "fout_kpll", "fin_pll", KPLL_LOCK,
251 KPLL_CON0, NULL),
252};
253
254static const struct samsung_cmu_info cmu __initconst = {
255 .pll_clks = exynos5410_plls,
256 .nr_pll_clks = ARRAY_SIZE(exynos5410_plls),
257 .mux_clks = exynos5410_mux_clks,
258 .nr_mux_clks = ARRAY_SIZE(exynos5410_mux_clks),
259 .div_clks = exynos5410_div_clks,
260 .nr_div_clks = ARRAY_SIZE(exynos5410_div_clks),
261 .gate_clks = exynos5410_gate_clks,
262 .nr_gate_clks = ARRAY_SIZE(exynos5410_gate_clks),
263 .nr_clk_ids = CLK_NR_CLKS,
264};
265
266
267static void __init exynos5410_clk_init(struct device_node *np)
268{
269 struct clk *xxti = of_clk_get(np, 0);
270
271 if (!IS_ERR(xxti) && clk_get_rate(xxti) == 24 * MHZ)
272 exynos5410_plls[epll].rate_table = exynos5410_pll2550x_24mhz_tbl;
273
274 samsung_cmu_register_one(np, &cmu);
275
276 pr_debug("Exynos5410: clock setup completed.\n");
277}
278CLK_OF_DECLARE(exynos5410_clk, "samsung,exynos5410-clock", exynos5410_clk_init);
279
