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18#include <common.h>
19#include <clk-uclass.h>
20#include <dm.h>
21#include <linux/bitops.h>
22
23#include <dt-bindings/clock/r8a7796-cpg-mssr.h>
24
25#include "renesas-cpg-mssr.h"
26#include "rcar-gen3-cpg.h"
27
28enum clk_ids {
29
30 LAST_DT_CORE_CLK = R8A7796_CLK_OSC,
31
32
33 CLK_EXTAL,
34 CLK_EXTALR,
35
36
37 CLK_MAIN,
38 CLK_PLL0,
39 CLK_PLL1,
40 CLK_PLL2,
41 CLK_PLL3,
42 CLK_PLL4,
43 CLK_PLL1_DIV2,
44 CLK_PLL1_DIV4,
45 CLK_S0,
46 CLK_S1,
47 CLK_S2,
48 CLK_S3,
49 CLK_SDSRC,
50 CLK_SSPSRC,
51 CLK_RPCSRC,
52 CLK_RINT,
53
54
55 MOD_CLK_BASE
56};
57
58static const struct cpg_core_clk r8a7796_core_clks[] = {
59
60 DEF_INPUT("extal", CLK_EXTAL),
61 DEF_INPUT("extalr", CLK_EXTALR),
62
63
64 DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL),
65 DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN),
66 DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN),
67 DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN),
68 DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN),
69 DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN),
70
71 DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1),
72 DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1),
73 DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1),
74 DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1),
75 DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1),
76 DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1),
77 DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1),
78 DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN3_RPCSRC, CLK_PLL1),
79
80 DEF_BASE("rpc", R8A7796_CLK_RPC, CLK_TYPE_GEN3_RPC,
81 CLK_RPCSRC),
82 DEF_BASE("rpcd2", R8A7796_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2,
83 R8A7796_CLK_RPC),
84
85 DEF_GEN3_OSC(".r", CLK_RINT, CLK_EXTAL, 32),
86
87
88 DEF_GEN3_Z("z", R8A7796_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0, 2, 8),
89 DEF_GEN3_Z("z2", R8A7796_CLK_Z2, CLK_TYPE_GEN3_Z, CLK_PLL2, 2, 0),
90 DEF_FIXED("ztr", R8A7796_CLK_ZTR, CLK_PLL1_DIV2, 6, 1),
91 DEF_FIXED("ztrd2", R8A7796_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1),
92 DEF_FIXED("zt", R8A7796_CLK_ZT, CLK_PLL1_DIV2, 4, 1),
93 DEF_FIXED("zx", R8A7796_CLK_ZX, CLK_PLL1_DIV2, 2, 1),
94 DEF_FIXED("s0d1", R8A7796_CLK_S0D1, CLK_S0, 1, 1),
95 DEF_FIXED("s0d2", R8A7796_CLK_S0D2, CLK_S0, 2, 1),
96 DEF_FIXED("s0d3", R8A7796_CLK_S0D3, CLK_S0, 3, 1),
97 DEF_FIXED("s0d4", R8A7796_CLK_S0D4, CLK_S0, 4, 1),
98 DEF_FIXED("s0d6", R8A7796_CLK_S0D6, CLK_S0, 6, 1),
99 DEF_FIXED("s0d8", R8A7796_CLK_S0D8, CLK_S0, 8, 1),
100 DEF_FIXED("s0d12", R8A7796_CLK_S0D12, CLK_S0, 12, 1),
101 DEF_FIXED("s1d1", R8A7796_CLK_S1D1, CLK_S1, 1, 1),
102 DEF_FIXED("s1d2", R8A7796_CLK_S1D2, CLK_S1, 2, 1),
103 DEF_FIXED("s1d4", R8A7796_CLK_S1D4, CLK_S1, 4, 1),
104 DEF_FIXED("s2d1", R8A7796_CLK_S2D1, CLK_S2, 1, 1),
105 DEF_FIXED("s2d2", R8A7796_CLK_S2D2, CLK_S2, 2, 1),
106 DEF_FIXED("s2d4", R8A7796_CLK_S2D4, CLK_S2, 4, 1),
107 DEF_FIXED("s3d1", R8A7796_CLK_S3D1, CLK_S3, 1, 1),
108 DEF_FIXED("s3d2", R8A7796_CLK_S3D2, CLK_S3, 2, 1),
109 DEF_FIXED("s3d4", R8A7796_CLK_S3D4, CLK_S3, 4, 1),
110
111 DEF_GEN3_SD("sd0", R8A7796_CLK_SD0, CLK_SDSRC, 0x074),
112 DEF_GEN3_SD("sd1", R8A7796_CLK_SD1, CLK_SDSRC, 0x078),
113 DEF_GEN3_SD("sd2", R8A7796_CLK_SD2, CLK_SDSRC, 0x268),
114 DEF_GEN3_SD("sd3", R8A7796_CLK_SD3, CLK_SDSRC, 0x26c),
115
116 DEF_FIXED("cl", R8A7796_CLK_CL, CLK_PLL1_DIV2, 48, 1),
117 DEF_FIXED("cr", R8A7796_CLK_CR, CLK_PLL1_DIV4, 2, 1),
118 DEF_FIXED("cp", R8A7796_CLK_CP, CLK_EXTAL, 2, 1),
119 DEF_FIXED("cpex", R8A7796_CLK_CPEX, CLK_EXTAL, 2, 1),
120
121 DEF_DIV6P1("canfd", R8A7796_CLK_CANFD, CLK_PLL1_DIV4, 0x244),
122 DEF_DIV6P1("csi0", R8A7796_CLK_CSI0, CLK_PLL1_DIV4, 0x00c),
123 DEF_DIV6P1("mso", R8A7796_CLK_MSO, CLK_PLL1_DIV4, 0x014),
124 DEF_DIV6P1("hdmi", R8A7796_CLK_HDMI, CLK_PLL1_DIV4, 0x250),
125
126 DEF_GEN3_OSC("osc", R8A7796_CLK_OSC, CLK_EXTAL, 8),
127
128 DEF_BASE("r", R8A7796_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT),
129};
130
131static const struct mssr_mod_clk r8a7796_mod_clks[] = {
132 DEF_MOD("fdp1-0", 119, R8A7796_CLK_S0D1),
133 DEF_MOD("tmu4", 121, R8A7796_CLK_S0D6),
134 DEF_MOD("tmu3", 122, R8A7796_CLK_S3D2),
135 DEF_MOD("tmu2", 123, R8A7796_CLK_S3D2),
136 DEF_MOD("tmu1", 124, R8A7796_CLK_S3D2),
137 DEF_MOD("tmu0", 125, R8A7796_CLK_CP),
138 DEF_MOD("scif5", 202, R8A7796_CLK_S3D4),
139 DEF_MOD("scif4", 203, R8A7796_CLK_S3D4),
140 DEF_MOD("scif3", 204, R8A7796_CLK_S3D4),
141 DEF_MOD("scif1", 206, R8A7796_CLK_S3D4),
142 DEF_MOD("scif0", 207, R8A7796_CLK_S3D4),
143 DEF_MOD("msiof3", 208, R8A7796_CLK_MSO),
144 DEF_MOD("msiof2", 209, R8A7796_CLK_MSO),
145 DEF_MOD("msiof1", 210, R8A7796_CLK_MSO),
146 DEF_MOD("msiof0", 211, R8A7796_CLK_MSO),
147 DEF_MOD("sys-dmac2", 217, R8A7796_CLK_S3D1),
148 DEF_MOD("sys-dmac1", 218, R8A7796_CLK_S3D1),
149 DEF_MOD("sys-dmac0", 219, R8A7796_CLK_S0D3),
150 DEF_MOD("sceg-pub", 229, R8A7796_CLK_CR),
151 DEF_MOD("cmt3", 300, R8A7796_CLK_R),
152 DEF_MOD("cmt2", 301, R8A7796_CLK_R),
153 DEF_MOD("cmt1", 302, R8A7796_CLK_R),
154 DEF_MOD("cmt0", 303, R8A7796_CLK_R),
155 DEF_MOD("tpu0", 304, R8A7796_CLK_S3D4),
156 DEF_MOD("scif2", 310, R8A7796_CLK_S3D4),
157 DEF_MOD("sdif3", 311, R8A7796_CLK_SD3),
158 DEF_MOD("sdif2", 312, R8A7796_CLK_SD2),
159 DEF_MOD("sdif1", 313, R8A7796_CLK_SD1),
160 DEF_MOD("sdif0", 314, R8A7796_CLK_SD0),
161 DEF_MOD("pcie1", 318, R8A7796_CLK_S3D1),
162 DEF_MOD("pcie0", 319, R8A7796_CLK_S3D1),
163 DEF_MOD("usb3-if0", 328, R8A7796_CLK_S3D1),
164 DEF_MOD("usb-dmac0", 330, R8A7796_CLK_S3D1),
165 DEF_MOD("usb-dmac1", 331, R8A7796_CLK_S3D1),
166 DEF_MOD("rwdt", 402, R8A7796_CLK_R),
167 DEF_MOD("intc-ex", 407, R8A7796_CLK_CP),
168 DEF_MOD("intc-ap", 408, R8A7796_CLK_S0D3),
169 DEF_MOD("audmac1", 501, R8A7796_CLK_S1D2),
170 DEF_MOD("audmac0", 502, R8A7796_CLK_S1D2),
171 DEF_MOD("drif31", 508, R8A7796_CLK_S3D2),
172 DEF_MOD("drif30", 509, R8A7796_CLK_S3D2),
173 DEF_MOD("drif21", 510, R8A7796_CLK_S3D2),
174 DEF_MOD("drif20", 511, R8A7796_CLK_S3D2),
175 DEF_MOD("drif11", 512, R8A7796_CLK_S3D2),
176 DEF_MOD("drif10", 513, R8A7796_CLK_S3D2),
177 DEF_MOD("drif01", 514, R8A7796_CLK_S3D2),
178 DEF_MOD("drif00", 515, R8A7796_CLK_S3D2),
179 DEF_MOD("hscif4", 516, R8A7796_CLK_S3D1),
180 DEF_MOD("hscif3", 517, R8A7796_CLK_S3D1),
181 DEF_MOD("hscif2", 518, R8A7796_CLK_S3D1),
182 DEF_MOD("hscif1", 519, R8A7796_CLK_S3D1),
183 DEF_MOD("hscif0", 520, R8A7796_CLK_S3D1),
184 DEF_MOD("thermal", 522, R8A7796_CLK_CP),
185 DEF_MOD("pwm", 523, R8A7796_CLK_S0D12),
186 DEF_MOD("fcpvd2", 601, R8A7796_CLK_S0D2),
187 DEF_MOD("fcpvd1", 602, R8A7796_CLK_S0D2),
188 DEF_MOD("fcpvd0", 603, R8A7796_CLK_S0D2),
189 DEF_MOD("fcpvb0", 607, R8A7796_CLK_S0D1),
190 DEF_MOD("fcpvi0", 611, R8A7796_CLK_S0D1),
191 DEF_MOD("fcpf0", 615, R8A7796_CLK_S0D1),
192 DEF_MOD("fcpci0", 617, R8A7796_CLK_S0D2),
193 DEF_MOD("fcpcs", 619, R8A7796_CLK_S0D2),
194 DEF_MOD("vspd2", 621, R8A7796_CLK_S0D2),
195 DEF_MOD("vspd1", 622, R8A7796_CLK_S0D2),
196 DEF_MOD("vspd0", 623, R8A7796_CLK_S0D2),
197 DEF_MOD("vspb", 626, R8A7796_CLK_S0D1),
198 DEF_MOD("vspi0", 631, R8A7796_CLK_S0D1),
199 DEF_MOD("ehci1", 702, R8A7796_CLK_S3D2),
200 DEF_MOD("ehci0", 703, R8A7796_CLK_S3D2),
201 DEF_MOD("hsusb", 704, R8A7796_CLK_S3D2),
202 DEF_MOD("cmm2", 709, R8A7796_CLK_S2D1),
203 DEF_MOD("cmm1", 710, R8A7796_CLK_S2D1),
204 DEF_MOD("cmm0", 711, R8A7796_CLK_S2D1),
205 DEF_MOD("csi20", 714, R8A7796_CLK_CSI0),
206 DEF_MOD("csi40", 716, R8A7796_CLK_CSI0),
207 DEF_MOD("du2", 722, R8A7796_CLK_S2D1),
208 DEF_MOD("du1", 723, R8A7796_CLK_S2D1),
209 DEF_MOD("du0", 724, R8A7796_CLK_S2D1),
210 DEF_MOD("lvds", 727, R8A7796_CLK_S2D1),
211 DEF_MOD("hdmi0", 729, R8A7796_CLK_HDMI),
212 DEF_MOD("vin7", 804, R8A7796_CLK_S0D2),
213 DEF_MOD("vin6", 805, R8A7796_CLK_S0D2),
214 DEF_MOD("vin5", 806, R8A7796_CLK_S0D2),
215 DEF_MOD("vin4", 807, R8A7796_CLK_S0D2),
216 DEF_MOD("vin3", 808, R8A7796_CLK_S0D2),
217 DEF_MOD("vin2", 809, R8A7796_CLK_S0D2),
218 DEF_MOD("vin1", 810, R8A7796_CLK_S0D2),
219 DEF_MOD("vin0", 811, R8A7796_CLK_S0D2),
220 DEF_MOD("etheravb", 812, R8A7796_CLK_S0D6),
221 DEF_MOD("imr1", 822, R8A7796_CLK_S0D2),
222 DEF_MOD("imr0", 823, R8A7796_CLK_S0D2),
223 DEF_MOD("gpio7", 905, R8A7796_CLK_S3D4),
224 DEF_MOD("gpio6", 906, R8A7796_CLK_S3D4),
225 DEF_MOD("gpio5", 907, R8A7796_CLK_S3D4),
226 DEF_MOD("gpio4", 908, R8A7796_CLK_S3D4),
227 DEF_MOD("gpio3", 909, R8A7796_CLK_S3D4),
228 DEF_MOD("gpio2", 910, R8A7796_CLK_S3D4),
229 DEF_MOD("gpio1", 911, R8A7796_CLK_S3D4),
230 DEF_MOD("gpio0", 912, R8A7796_CLK_S3D4),
231 DEF_MOD("can-fd", 914, R8A7796_CLK_S3D2),
232 DEF_MOD("can-if1", 915, R8A7796_CLK_S3D4),
233 DEF_MOD("can-if0", 916, R8A7796_CLK_S3D4),
234 DEF_MOD("rpc-if", 917, R8A7796_CLK_RPCD2),
235 DEF_MOD("i2c6", 918, R8A7796_CLK_S0D6),
236 DEF_MOD("i2c5", 919, R8A7796_CLK_S0D6),
237 DEF_MOD("i2c-dvfs", 926, R8A7796_CLK_CP),
238 DEF_MOD("i2c4", 927, R8A7796_CLK_S0D6),
239 DEF_MOD("i2c3", 928, R8A7796_CLK_S0D6),
240 DEF_MOD("i2c2", 929, R8A7796_CLK_S3D2),
241 DEF_MOD("i2c1", 930, R8A7796_CLK_S3D2),
242 DEF_MOD("i2c0", 931, R8A7796_CLK_S3D2),
243 DEF_MOD("ssi-all", 1005, R8A7796_CLK_S3D4),
244 DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)),
245 DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)),
246 DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)),
247 DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)),
248 DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)),
249 DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)),
250 DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)),
251 DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)),
252 DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)),
253 DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)),
254 DEF_MOD("scu-all", 1017, R8A7796_CLK_S3D4),
255 DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)),
256 DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)),
257 DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)),
258 DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)),
259 DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)),
260 DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)),
261 DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)),
262 DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)),
263 DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)),
264 DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)),
265 DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)),
266 DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)),
267 DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)),
268 DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)),
269};
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296#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \
297 (((md) & BIT(13)) >> 11) | \
298 (((md) & BIT(19)) >> 18) | \
299 (((md) & BIT(17)) >> 17))
300
301static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] = {
302
303 { 1, 192, 1, 192, 1, 16, },
304 { 1, 192, 1, 128, 1, 16, },
305 { 0, },
306 { 1, 192, 1, 192, 1, 16, },
307 { 1, 160, 1, 160, 1, 19, },
308 { 1, 160, 1, 106, 1, 19, },
309 { 0, },
310 { 1, 160, 1, 160, 1, 19, },
311 { 1, 128, 1, 128, 1, 24, },
312 { 1, 128, 1, 84, 1, 24, },
313 { 0, },
314 { 1, 128, 1, 128, 1, 24, },
315 { 2, 192, 1, 192, 1, 32, },
316 { 2, 192, 1, 128, 1, 32, },
317 { 0, },
318 { 2, 192, 1, 192, 1, 32, },
319};
320
321static const struct mstp_stop_table r8a7796_mstp_table[] = {
322 { 0x00200000, 0x0, 0x00200000, 0 },
323 { 0xd3e813a0, 0x0, 0xd3e813a0, 0 },
324 { 0x040e2fdc, 0x2000, 0x040e2fdc, 0 },
325 { 0xd00c7cdf, 0x400, 0xd00c7cdf, 0 },
326 { 0x80000004, 0x180, 0x80000004, 0 },
327 { 0x40dfff46, 0x0, 0x40dfff46, 0 },
328 { 0x84ea888e, 0x0, 0x84ea888e, 0 },
329 { 0x29df5e1c, 0x0, 0x29df5e1c, 0 },
330 { 0x01c01ff7, 0x0, 0x01f01ff7, 0 },
331 { 0xfddfdffe, 0x0, 0xfddfdffe, 0 },
332 { 0xfffeffe0, 0x0, 0xfffeffe0, 0 },
333 { 0x00000000, 0x0, 0x00000000, 0 },
334};
335
336static const void *r8a7796_get_pll_config(const u32 cpg_mode)
337{
338 return &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
339}
340
341static const struct cpg_mssr_info r8a7796_cpg_mssr_info = {
342 .core_clk = r8a7796_core_clks,
343 .core_clk_size = ARRAY_SIZE(r8a7796_core_clks),
344 .mod_clk = r8a7796_mod_clks,
345 .mod_clk_size = ARRAY_SIZE(r8a7796_mod_clks),
346 .mstp_table = r8a7796_mstp_table,
347 .mstp_table_size = ARRAY_SIZE(r8a7796_mstp_table),
348 .reset_node = "renesas,r8a7796-rst",
349 .reset_modemr_offset = CPG_RST_MODEMR,
350 .extalr_node = "extalr",
351 .mod_clk_base = MOD_CLK_BASE,
352 .clk_extal_id = CLK_EXTAL,
353 .clk_extalr_id = CLK_EXTALR,
354 .get_pll_config = r8a7796_get_pll_config,
355};
356
357static const struct udevice_id r8a7796_clk_ids[] = {
358 {
359 .compatible = "renesas,r8a7796-cpg-mssr",
360 .data = (ulong)&r8a7796_cpg_mssr_info,
361 },
362 { }
363};
364
365U_BOOT_DRIVER(clk_r8a7796) = {
366 .name = "clk_r8a7796",
367 .id = UCLASS_CLK,
368 .of_match = r8a7796_clk_ids,
369 .priv_auto = sizeof(struct gen3_clk_priv),
370 .ops = &gen3_clk_ops,
371 .probe = gen3_clk_probe,
372 .remove = gen3_clk_remove,
373};
374
