1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * r8a7795 Clock Pulse Generator / Module Standby and Software Reset
4  *
5  * Copyright (C) 2015 Glider bvba
6  * Copyright (C) 2018-2019 Renesas Electronics Corp.
7  *
8  * Based on clk-rcar-gen3.c
9  *
10  * Copyright (C) 2015 Renesas Electronics Corp.
11  */
12 
13 #include <linux/device.h>
14 #include <linux/init.h>
15 #include <linux/kernel.h>
16 #include <linux/soc/renesas/rcar-rst.h>
17 #include <linux/sys_soc.h>
18 
19 #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
20 
21 #include "renesas-cpg-mssr.h"
22 #include "rcar-gen3-cpg.h"
23 
24 enum clk_ids {
25 	/* Core Clock Outputs exported to DT */
26 	LAST_DT_CORE_CLK = R8A7795_CLK_S0D12,
27 
28 	/* External Input Clocks */
29 	CLK_EXTAL,
30 	CLK_EXTALR,
31 
32 	/* Internal Core Clocks */
33 	CLK_MAIN,
34 	CLK_PLL0,
35 	CLK_PLL1,
36 	CLK_PLL2,
37 	CLK_PLL3,
38 	CLK_PLL4,
39 	CLK_PLL1_DIV2,
40 	CLK_PLL1_DIV4,
41 	CLK_S0,
42 	CLK_S1,
43 	CLK_S2,
44 	CLK_S3,
45 	CLK_SDSRC,
46 	CLK_SSPSRC,
47 	CLK_RPCSRC,
48 	CLK_RINT,
49 
50 	/* Module Clocks */
51 	MOD_CLK_BASE
52 };
53 
54 static struct cpg_core_clk r8a7795_core_clks[] __initdata = {
55 	/* External Clock Inputs */
56 	DEF_INPUT("extal",      CLK_EXTAL),
57 	DEF_INPUT("extalr",     CLK_EXTALR),
58 
59 	/* Internal Core Clocks */
60 	DEF_BASE(".main",       CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL),
61 	DEF_BASE(".pll0",       CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN),
62 	DEF_BASE(".pll1",       CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN),
63 	DEF_BASE(".pll2",       CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN),
64 	DEF_BASE(".pll3",       CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN),
65 	DEF_BASE(".pll4",       CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN),
66 
67 	DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2,     CLK_PLL1,       2, 1),
68 	DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4,     CLK_PLL1_DIV2,  2, 1),
69 	DEF_FIXED(".s0",        CLK_S0,            CLK_PLL1_DIV2,  2, 1),
70 	DEF_FIXED(".s1",        CLK_S1,            CLK_PLL1_DIV2,  3, 1),
71 	DEF_FIXED(".s2",        CLK_S2,            CLK_PLL1_DIV2,  4, 1),
72 	DEF_FIXED(".s3",        CLK_S3,            CLK_PLL1_DIV2,  6, 1),
73 	DEF_FIXED(".sdsrc",     CLK_SDSRC,         CLK_PLL1_DIV2,  2, 1),
74 	DEF_BASE(".rpcsrc",	CLK_RPCSRC, CLK_TYPE_GEN3_RPCSRC, CLK_PLL1),
75 
76 	DEF_BASE("rpc",		R8A7795_CLK_RPC, CLK_TYPE_GEN3_RPC,
77 		 CLK_RPCSRC),
78 	DEF_BASE("rpcd2",	R8A7795_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2,
79 		 R8A7795_CLK_RPC),
80 
81 	DEF_GEN3_OSC(".r",      CLK_RINT,          CLK_EXTAL,      32),
82 
83 	/* Core Clock Outputs */
84 	DEF_GEN3_Z("z",         R8A7795_CLK_Z,     CLK_TYPE_GEN3_Z,  CLK_PLL0, 2, 8),
85 	DEF_GEN3_Z("z2",        R8A7795_CLK_Z2,    CLK_TYPE_GEN3_Z,  CLK_PLL2, 2, 0),
86 	DEF_FIXED("ztr",        R8A7795_CLK_ZTR,   CLK_PLL1_DIV2,  6, 1),
87 	DEF_FIXED("ztrd2",      R8A7795_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1),
88 	DEF_FIXED("zt",         R8A7795_CLK_ZT,    CLK_PLL1_DIV2,  4, 1),
89 	DEF_FIXED("zx",         R8A7795_CLK_ZX,    CLK_PLL1_DIV2,  2, 1),
90 	DEF_FIXED("s0d1",       R8A7795_CLK_S0D1,  CLK_S0,         1, 1),
91 	DEF_FIXED("s0d2",       R8A7795_CLK_S0D2,  CLK_S0,         2, 1),
92 	DEF_FIXED("s0d3",       R8A7795_CLK_S0D3,  CLK_S0,         3, 1),
93 	DEF_FIXED("s0d4",       R8A7795_CLK_S0D4,  CLK_S0,         4, 1),
94 	DEF_FIXED("s0d6",       R8A7795_CLK_S0D6,  CLK_S0,         6, 1),
95 	DEF_FIXED("s0d8",       R8A7795_CLK_S0D8,  CLK_S0,         8, 1),
96 	DEF_FIXED("s0d12",      R8A7795_CLK_S0D12, CLK_S0,        12, 1),
97 	DEF_FIXED("s1d1",       R8A7795_CLK_S1D1,  CLK_S1,         1, 1),
98 	DEF_FIXED("s1d2",       R8A7795_CLK_S1D2,  CLK_S1,         2, 1),
99 	DEF_FIXED("s1d4",       R8A7795_CLK_S1D4,  CLK_S1,         4, 1),
100 	DEF_FIXED("s2d1",       R8A7795_CLK_S2D1,  CLK_S2,         1, 1),
101 	DEF_FIXED("s2d2",       R8A7795_CLK_S2D2,  CLK_S2,         2, 1),
102 	DEF_FIXED("s2d4",       R8A7795_CLK_S2D4,  CLK_S2,         4, 1),
103 	DEF_FIXED("s3d1",       R8A7795_CLK_S3D1,  CLK_S3,         1, 1),
104 	DEF_FIXED("s3d2",       R8A7795_CLK_S3D2,  CLK_S3,         2, 1),
105 	DEF_FIXED("s3d4",       R8A7795_CLK_S3D4,  CLK_S3,         4, 1),
106 
107 	DEF_GEN3_SDH("sd0h",    R8A7795_CLK_SD0H,  CLK_SDSRC,        0x074),
108 	DEF_GEN3_SDH("sd1h",    R8A7795_CLK_SD1H,  CLK_SDSRC,        0x078),
109 	DEF_GEN3_SDH("sd2h",    R8A7795_CLK_SD2H,  CLK_SDSRC,        0x268),
110 	DEF_GEN3_SDH("sd3h",    R8A7795_CLK_SD3H,  CLK_SDSRC,        0x26c),
111 	DEF_GEN3_SD("sd0",      R8A7795_CLK_SD0,   R8A7795_CLK_SD0H, 0x074),
112 	DEF_GEN3_SD("sd1",      R8A7795_CLK_SD1,   R8A7795_CLK_SD1H, 0x078),
113 	DEF_GEN3_SD("sd2",      R8A7795_CLK_SD2,   R8A7795_CLK_SD2H, 0x268),
114 	DEF_GEN3_SD("sd3",      R8A7795_CLK_SD3,   R8A7795_CLK_SD3H, 0x26c),
115 
116 	DEF_FIXED("cl",         R8A7795_CLK_CL,    CLK_PLL1_DIV2, 48, 1),
117 	DEF_FIXED("cr",         R8A7795_CLK_CR,    CLK_PLL1_DIV4,  2, 1),
118 	DEF_FIXED("cp",         R8A7795_CLK_CP,    CLK_EXTAL,      2, 1),
119 	DEF_FIXED("cpex",       R8A7795_CLK_CPEX,  CLK_EXTAL,      2, 1),
120 
121 	DEF_DIV6P1("canfd",     R8A7795_CLK_CANFD, CLK_PLL1_DIV4, 0x244),
122 	DEF_DIV6P1("csi0",      R8A7795_CLK_CSI0,  CLK_PLL1_DIV4, 0x00c),
123 	DEF_DIV6P1("mso",       R8A7795_CLK_MSO,   CLK_PLL1_DIV4, 0x014),
124 	DEF_DIV6P1("hdmi",      R8A7795_CLK_HDMI,  CLK_PLL1_DIV4, 0x250),
125 
126 	DEF_GEN3_OSC("osc",     R8A7795_CLK_OSC,   CLK_EXTAL,     8),
127 
128 	DEF_BASE("r",           R8A7795_CLK_R,     CLK_TYPE_GEN3_R, CLK_RINT),
129 };
130 
131 static struct mssr_mod_clk r8a7795_mod_clks[] __initdata = {
132 	DEF_MOD("fdp1-2",		 117,	R8A7795_CLK_S2D1), /* ES1.x */
133 	DEF_MOD("fdp1-1",		 118,	R8A7795_CLK_S0D1),
134 	DEF_MOD("fdp1-0",		 119,	R8A7795_CLK_S0D1),
135 	DEF_MOD("tmu4",			 121,	R8A7795_CLK_S0D6),
136 	DEF_MOD("tmu3",			 122,	R8A7795_CLK_S3D2),
137 	DEF_MOD("tmu2",			 123,	R8A7795_CLK_S3D2),
138 	DEF_MOD("tmu1",			 124,	R8A7795_CLK_S3D2),
139 	DEF_MOD("tmu0",			 125,	R8A7795_CLK_CP),
140 	DEF_MOD("scif5",		 202,	R8A7795_CLK_S3D4),
141 	DEF_MOD("scif4",		 203,	R8A7795_CLK_S3D4),
142 	DEF_MOD("scif3",		 204,	R8A7795_CLK_S3D4),
143 	DEF_MOD("scif1",		 206,	R8A7795_CLK_S3D4),
144 	DEF_MOD("scif0",		 207,	R8A7795_CLK_S3D4),
145 	DEF_MOD("msiof3",		 208,	R8A7795_CLK_MSO),
146 	DEF_MOD("msiof2",		 209,	R8A7795_CLK_MSO),
147 	DEF_MOD("msiof1",		 210,	R8A7795_CLK_MSO),
148 	DEF_MOD("msiof0",		 211,	R8A7795_CLK_MSO),
149 	DEF_MOD("sys-dmac2",		 217,	R8A7795_CLK_S3D1),
150 	DEF_MOD("sys-dmac1",		 218,	R8A7795_CLK_S3D1),
151 	DEF_MOD("sys-dmac0",		 219,	R8A7795_CLK_S0D3),
152 	DEF_MOD("sceg-pub",		 229,	R8A7795_CLK_CR),
153 	DEF_MOD("cmt3",			 300,	R8A7795_CLK_R),
154 	DEF_MOD("cmt2",			 301,	R8A7795_CLK_R),
155 	DEF_MOD("cmt1",			 302,	R8A7795_CLK_R),
156 	DEF_MOD("cmt0",			 303,	R8A7795_CLK_R),
157 	DEF_MOD("tpu0",			 304,	R8A7795_CLK_S3D4),
158 	DEF_MOD("scif2",		 310,	R8A7795_CLK_S3D4),
159 	DEF_MOD("sdif3",		 311,	R8A7795_CLK_SD3),
160 	DEF_MOD("sdif2",		 312,	R8A7795_CLK_SD2),
161 	DEF_MOD("sdif1",		 313,	R8A7795_CLK_SD1),
162 	DEF_MOD("sdif0",		 314,	R8A7795_CLK_SD0),
163 	DEF_MOD("pcie1",		 318,	R8A7795_CLK_S3D1),
164 	DEF_MOD("pcie0",		 319,	R8A7795_CLK_S3D1),
165 	DEF_MOD("usb-dmac30",		 326,	R8A7795_CLK_S3D1),
166 	DEF_MOD("usb3-if1",		 327,	R8A7795_CLK_S3D1), /* ES1.x */
167 	DEF_MOD("usb3-if0",		 328,	R8A7795_CLK_S3D1),
168 	DEF_MOD("usb-dmac31",		 329,	R8A7795_CLK_S3D1),
169 	DEF_MOD("usb-dmac0",		 330,	R8A7795_CLK_S3D1),
170 	DEF_MOD("usb-dmac1",		 331,	R8A7795_CLK_S3D1),
171 	DEF_MOD("rwdt",			 402,	R8A7795_CLK_R),
172 	DEF_MOD("intc-ex",		 407,	R8A7795_CLK_CP),
173 	DEF_MOD("intc-ap",		 408,	R8A7795_CLK_S0D3),
174 	DEF_MOD("audmac1",		 501,	R8A7795_CLK_S1D2),
175 	DEF_MOD("audmac0",		 502,	R8A7795_CLK_S1D2),
176 	DEF_MOD("drif31",		 508,	R8A7795_CLK_S3D2),
177 	DEF_MOD("drif30",		 509,	R8A7795_CLK_S3D2),
178 	DEF_MOD("drif21",		 510,	R8A7795_CLK_S3D2),
179 	DEF_MOD("drif20",		 511,	R8A7795_CLK_S3D2),
180 	DEF_MOD("drif11",		 512,	R8A7795_CLK_S3D2),
181 	DEF_MOD("drif10",		 513,	R8A7795_CLK_S3D2),
182 	DEF_MOD("drif01",		 514,	R8A7795_CLK_S3D2),
183 	DEF_MOD("drif00",		 515,	R8A7795_CLK_S3D2),
184 	DEF_MOD("hscif4",		 516,	R8A7795_CLK_S3D1),
185 	DEF_MOD("hscif3",		 517,	R8A7795_CLK_S3D1),
186 	DEF_MOD("hscif2",		 518,	R8A7795_CLK_S3D1),
187 	DEF_MOD("hscif1",		 519,	R8A7795_CLK_S3D1),
188 	DEF_MOD("hscif0",		 520,	R8A7795_CLK_S3D1),
189 	DEF_MOD("thermal",		 522,	R8A7795_CLK_CP),
190 	DEF_MOD("pwm",			 523,	R8A7795_CLK_S0D12),
191 	DEF_MOD("fcpvd3",		 600,	R8A7795_CLK_S2D1), /* ES1.x */
192 	DEF_MOD("fcpvd2",		 601,	R8A7795_CLK_S0D2),
193 	DEF_MOD("fcpvd1",		 602,	R8A7795_CLK_S0D2),
194 	DEF_MOD("fcpvd0",		 603,	R8A7795_CLK_S0D2),
195 	DEF_MOD("fcpvb1",		 606,	R8A7795_CLK_S0D1),
196 	DEF_MOD("fcpvb0",		 607,	R8A7795_CLK_S0D1),
197 	DEF_MOD("fcpvi2",		 609,	R8A7795_CLK_S2D1), /* ES1.x */
198 	DEF_MOD("fcpvi1",		 610,	R8A7795_CLK_S0D1),
199 	DEF_MOD("fcpvi0",		 611,	R8A7795_CLK_S0D1),
200 	DEF_MOD("fcpf2",		 613,	R8A7795_CLK_S2D1), /* ES1.x */
201 	DEF_MOD("fcpf1",		 614,	R8A7795_CLK_S0D1),
202 	DEF_MOD("fcpf0",		 615,	R8A7795_CLK_S0D1),
203 	DEF_MOD("fcpci1",		 616,	R8A7795_CLK_S2D1), /* ES1.x */
204 	DEF_MOD("fcpci0",		 617,	R8A7795_CLK_S2D1), /* ES1.x */
205 	DEF_MOD("fcpcs",		 619,	R8A7795_CLK_S0D1),
206 	DEF_MOD("vspd3",		 620,	R8A7795_CLK_S2D1), /* ES1.x */
207 	DEF_MOD("vspd2",		 621,	R8A7795_CLK_S0D2),
208 	DEF_MOD("vspd1",		 622,	R8A7795_CLK_S0D2),
209 	DEF_MOD("vspd0",		 623,	R8A7795_CLK_S0D2),
210 	DEF_MOD("vspbc",		 624,	R8A7795_CLK_S0D1),
211 	DEF_MOD("vspbd",		 626,	R8A7795_CLK_S0D1),
212 	DEF_MOD("vspi2",		 629,	R8A7795_CLK_S2D1), /* ES1.x */
213 	DEF_MOD("vspi1",		 630,	R8A7795_CLK_S0D1),
214 	DEF_MOD("vspi0",		 631,	R8A7795_CLK_S0D1),
215 	DEF_MOD("ehci3",		 700,	R8A7795_CLK_S3D2),
216 	DEF_MOD("ehci2",		 701,	R8A7795_CLK_S3D2),
217 	DEF_MOD("ehci1",		 702,	R8A7795_CLK_S3D2),
218 	DEF_MOD("ehci0",		 703,	R8A7795_CLK_S3D2),
219 	DEF_MOD("hsusb",		 704,	R8A7795_CLK_S3D2),
220 	DEF_MOD("hsusb3",		 705,	R8A7795_CLK_S3D2),
221 	DEF_MOD("cmm3",			 708,	R8A7795_CLK_S2D1),
222 	DEF_MOD("cmm2",			 709,	R8A7795_CLK_S2D1),
223 	DEF_MOD("cmm1",			 710,	R8A7795_CLK_S2D1),
224 	DEF_MOD("cmm0",			 711,	R8A7795_CLK_S2D1),
225 	DEF_MOD("csi21",		 713,	R8A7795_CLK_CSI0), /* ES1.x */
226 	DEF_MOD("csi20",		 714,	R8A7795_CLK_CSI0),
227 	DEF_MOD("csi41",		 715,	R8A7795_CLK_CSI0),
228 	DEF_MOD("csi40",		 716,	R8A7795_CLK_CSI0),
229 	DEF_MOD("du3",			 721,	R8A7795_CLK_S2D1),
230 	DEF_MOD("du2",			 722,	R8A7795_CLK_S2D1),
231 	DEF_MOD("du1",			 723,	R8A7795_CLK_S2D1),
232 	DEF_MOD("du0",			 724,	R8A7795_CLK_S2D1),
233 	DEF_MOD("lvds",			 727,	R8A7795_CLK_S0D4),
234 	DEF_MOD("hdmi1",		 728,	R8A7795_CLK_HDMI),
235 	DEF_MOD("hdmi0",		 729,	R8A7795_CLK_HDMI),
236 	DEF_MOD("mlp",			 802,	R8A7795_CLK_S2D1),
237 	DEF_MOD("vin7",			 804,	R8A7795_CLK_S0D2),
238 	DEF_MOD("vin6",			 805,	R8A7795_CLK_S0D2),
239 	DEF_MOD("vin5",			 806,	R8A7795_CLK_S0D2),
240 	DEF_MOD("vin4",			 807,	R8A7795_CLK_S0D2),
241 	DEF_MOD("vin3",			 808,	R8A7795_CLK_S0D2),
242 	DEF_MOD("vin2",			 809,	R8A7795_CLK_S0D2),
243 	DEF_MOD("vin1",			 810,	R8A7795_CLK_S0D2),
244 	DEF_MOD("vin0",			 811,	R8A7795_CLK_S0D2),
245 	DEF_MOD("etheravb",		 812,	R8A7795_CLK_S0D6),
246 	DEF_MOD("sata0",		 815,	R8A7795_CLK_S3D2),
247 	DEF_MOD("imr3",			 820,	R8A7795_CLK_S0D2),
248 	DEF_MOD("imr2",			 821,	R8A7795_CLK_S0D2),
249 	DEF_MOD("imr1",			 822,	R8A7795_CLK_S0D2),
250 	DEF_MOD("imr0",			 823,	R8A7795_CLK_S0D2),
251 	DEF_MOD("gpio7",		 905,	R8A7795_CLK_S3D4),
252 	DEF_MOD("gpio6",		 906,	R8A7795_CLK_S3D4),
253 	DEF_MOD("gpio5",		 907,	R8A7795_CLK_S3D4),
254 	DEF_MOD("gpio4",		 908,	R8A7795_CLK_S3D4),
255 	DEF_MOD("gpio3",		 909,	R8A7795_CLK_S3D4),
256 	DEF_MOD("gpio2",		 910,	R8A7795_CLK_S3D4),
257 	DEF_MOD("gpio1",		 911,	R8A7795_CLK_S3D4),
258 	DEF_MOD("gpio0",		 912,	R8A7795_CLK_S3D4),
259 	DEF_MOD("can-fd",		 914,	R8A7795_CLK_S3D2),
260 	DEF_MOD("can-if1",		 915,	R8A7795_CLK_S3D4),
261 	DEF_MOD("can-if0",		 916,	R8A7795_CLK_S3D4),
262 	DEF_MOD("rpc-if",		 917,	R8A7795_CLK_RPCD2),
263 	DEF_MOD("i2c6",			 918,	R8A7795_CLK_S0D6),
264 	DEF_MOD("i2c5",			 919,	R8A7795_CLK_S0D6),
265 	DEF_MOD("i2c-dvfs",		 926,	R8A7795_CLK_CP),
266 	DEF_MOD("i2c4",			 927,	R8A7795_CLK_S0D6),
267 	DEF_MOD("i2c3",			 928,	R8A7795_CLK_S0D6),
268 	DEF_MOD("i2c2",			 929,	R8A7795_CLK_S3D2),
269 	DEF_MOD("i2c1",			 930,	R8A7795_CLK_S3D2),
270 	DEF_MOD("i2c0",			 931,	R8A7795_CLK_S3D2),
271 	DEF_MOD("ssi-all",		1005,	R8A7795_CLK_S3D4),
272 	DEF_MOD("ssi9",			1006,	MOD_CLK_ID(1005)),
273 	DEF_MOD("ssi8",			1007,	MOD_CLK_ID(1005)),
274 	DEF_MOD("ssi7",			1008,	MOD_CLK_ID(1005)),
275 	DEF_MOD("ssi6",			1009,	MOD_CLK_ID(1005)),
276 	DEF_MOD("ssi5",			1010,	MOD_CLK_ID(1005)),
277 	DEF_MOD("ssi4",			1011,	MOD_CLK_ID(1005)),
278 	DEF_MOD("ssi3",			1012,	MOD_CLK_ID(1005)),
279 	DEF_MOD("ssi2",			1013,	MOD_CLK_ID(1005)),
280 	DEF_MOD("ssi1",			1014,	MOD_CLK_ID(1005)),
281 	DEF_MOD("ssi0",			1015,	MOD_CLK_ID(1005)),
282 	DEF_MOD("scu-all",		1017,	R8A7795_CLK_S3D4),
283 	DEF_MOD("scu-dvc1",		1018,	MOD_CLK_ID(1017)),
284 	DEF_MOD("scu-dvc0",		1019,	MOD_CLK_ID(1017)),
285 	DEF_MOD("scu-ctu1-mix1",	1020,	MOD_CLK_ID(1017)),
286 	DEF_MOD("scu-ctu0-mix0",	1021,	MOD_CLK_ID(1017)),
287 	DEF_MOD("scu-src9",		1022,	MOD_CLK_ID(1017)),
288 	DEF_MOD("scu-src8",		1023,	MOD_CLK_ID(1017)),
289 	DEF_MOD("scu-src7",		1024,	MOD_CLK_ID(1017)),
290 	DEF_MOD("scu-src6",		1025,	MOD_CLK_ID(1017)),
291 	DEF_MOD("scu-src5",		1026,	MOD_CLK_ID(1017)),
292 	DEF_MOD("scu-src4",		1027,	MOD_CLK_ID(1017)),
293 	DEF_MOD("scu-src3",		1028,	MOD_CLK_ID(1017)),
294 	DEF_MOD("scu-src2",		1029,	MOD_CLK_ID(1017)),
295 	DEF_MOD("scu-src1",		1030,	MOD_CLK_ID(1017)),
296 	DEF_MOD("scu-src0",		1031,	MOD_CLK_ID(1017)),
297 };
298 
299 static const unsigned int r8a7795_crit_mod_clks[] __initconst = {
300 	MOD_CLK_ID(402),	/* RWDT */
301 	MOD_CLK_ID(408),	/* INTC-AP (GIC) */
302 };
303 
304 /*
305  * CPG Clock Data
306  */
307 
308 /*
309  *   MD		EXTAL		PLL0	PLL1	PLL2	PLL3	PLL4	OSC
310  * 14 13 19 17	(MHz)
311  *-------------------------------------------------------------------------
312  * 0  0  0  0	16.66 x 1	x180	x192	x144	x192	x144	/16
313  * 0  0  0  1	16.66 x 1	x180	x192	x144	x128	x144	/16
314  * 0  0  1  0	Prohibited setting
315  * 0  0  1  1	16.66 x 1	x180	x192	x144	x192	x144	/16
316  * 0  1  0  0	20    x 1	x150	x160	x120	x160	x120	/19
317  * 0  1  0  1	20    x 1	x150	x160	x120	x106	x120	/19
318  * 0  1  1  0	Prohibited setting
319  * 0  1  1  1	20    x 1	x150	x160	x120	x160	x120	/19
320  * 1  0  0  0	25    x 1	x120	x128	x96	x128	x96	/24
321  * 1  0  0  1	25    x 1	x120	x128	x96	x84	x96	/24
322  * 1  0  1  0	Prohibited setting
323  * 1  0  1  1	25    x 1	x120	x128	x96	x128	x96	/24
324  * 1  1  0  0	33.33 / 2	x180	x192	x144	x192	x144	/32
325  * 1  1  0  1	33.33 / 2	x180	x192	x144	x128	x144	/32
326  * 1  1  1  0	Prohibited setting
327  * 1  1  1  1	33.33 / 2	x180	x192	x144	x192	x144	/32
328  */
329 #define CPG_PLL_CONFIG_INDEX(md)	((((md) & BIT(14)) >> 11) | \
330 					 (((md) & BIT(13)) >> 11) | \
331 					 (((md) & BIT(19)) >> 18) | \
332 					 (((md) & BIT(17)) >> 17))
333 
334 static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = {
335 	/* EXTAL div	PLL1 mult/div	PLL3 mult/div	OSC prediv */
336 	{ 1,		192,	1,	192,	1,	16,	},
337 	{ 1,		192,	1,	128,	1,	16,	},
338 	{ 0, /* Prohibited setting */				},
339 	{ 1,		192,	1,	192,	1,	16,	},
340 	{ 1,		160,	1,	160,	1,	19,	},
341 	{ 1,		160,	1,	106,	1,	19,	},
342 	{ 0, /* Prohibited setting */				},
343 	{ 1,		160,	1,	160,	1,	19,	},
344 	{ 1,		128,	1,	128,	1,	24,	},
345 	{ 1,		128,	1,	84,	1,	24,	},
346 	{ 0, /* Prohibited setting */				},
347 	{ 1,		128,	1,	128,	1,	24,	},
348 	{ 2,		192,	1,	192,	1,	32,	},
349 	{ 2,		192,	1,	128,	1,	32,	},
350 	{ 0, /* Prohibited setting */				},
351 	{ 2,		192,	1,	192,	1,	32,	},
352 };
353 
354 static const struct soc_device_attribute r8a7795es1[] __initconst = {
355 	{ .soc_id = "r8a7795", .revision = "ES1.*" },
356 	{ /* sentinel */ }
357 };
358 
359 
360 	/*
361 	 * Fixups for R-Car H3 ES1.x
362 	 */
363 
364 static const unsigned int r8a7795es1_mod_nullify[] __initconst = {
365 	MOD_CLK_ID(326),			/* USB-DMAC3-0 */
366 	MOD_CLK_ID(329),			/* USB-DMAC3-1 */
367 	MOD_CLK_ID(700),			/* EHCI/OHCI3 */
368 	MOD_CLK_ID(705),			/* HS-USB-IF3 */
369 
370 };
371 
372 static const struct mssr_mod_reparent r8a7795es1_mod_reparent[] __initconst = {
373 	{ MOD_CLK_ID(118), R8A7795_CLK_S2D1 },	/* FDP1-1 */
374 	{ MOD_CLK_ID(119), R8A7795_CLK_S2D1 },	/* FDP1-0 */
375 	{ MOD_CLK_ID(121), R8A7795_CLK_S3D2 },	/* TMU4 */
376 	{ MOD_CLK_ID(217), R8A7795_CLK_S3D1 },	/* SYS-DMAC2 */
377 	{ MOD_CLK_ID(218), R8A7795_CLK_S3D1 },	/* SYS-DMAC1 */
378 	{ MOD_CLK_ID(219), R8A7795_CLK_S3D1 },	/* SYS-DMAC0 */
379 	{ MOD_CLK_ID(408), R8A7795_CLK_S3D1 },	/* INTC-AP */
380 	{ MOD_CLK_ID(501), R8A7795_CLK_S3D1 },	/* AUDMAC1 */
381 	{ MOD_CLK_ID(502), R8A7795_CLK_S3D1 },	/* AUDMAC0 */
382 	{ MOD_CLK_ID(523), R8A7795_CLK_S3D4 },	/* PWM */
383 	{ MOD_CLK_ID(601), R8A7795_CLK_S2D1 },	/* FCPVD2 */
384 	{ MOD_CLK_ID(602), R8A7795_CLK_S2D1 },	/* FCPVD1 */
385 	{ MOD_CLK_ID(603), R8A7795_CLK_S2D1 },	/* FCPVD0 */
386 	{ MOD_CLK_ID(606), R8A7795_CLK_S2D1 },	/* FCPVB1 */
387 	{ MOD_CLK_ID(607), R8A7795_CLK_S2D1 },	/* FCPVB0 */
388 	{ MOD_CLK_ID(610), R8A7795_CLK_S2D1 },	/* FCPVI1 */
389 	{ MOD_CLK_ID(611), R8A7795_CLK_S2D1 },	/* FCPVI0 */
390 	{ MOD_CLK_ID(614), R8A7795_CLK_S2D1 },	/* FCPF1 */
391 	{ MOD_CLK_ID(615), R8A7795_CLK_S2D1 },	/* FCPF0 */
392 	{ MOD_CLK_ID(619), R8A7795_CLK_S2D1 },	/* FCPCS */
393 	{ MOD_CLK_ID(621), R8A7795_CLK_S2D1 },	/* VSPD2 */
394 	{ MOD_CLK_ID(622), R8A7795_CLK_S2D1 },	/* VSPD1 */
395 	{ MOD_CLK_ID(623), R8A7795_CLK_S2D1 },	/* VSPD0 */
396 	{ MOD_CLK_ID(624), R8A7795_CLK_S2D1 },	/* VSPBC */
397 	{ MOD_CLK_ID(626), R8A7795_CLK_S2D1 },	/* VSPBD */
398 	{ MOD_CLK_ID(630), R8A7795_CLK_S2D1 },	/* VSPI1 */
399 	{ MOD_CLK_ID(631), R8A7795_CLK_S2D1 },	/* VSPI0 */
400 	{ MOD_CLK_ID(804), R8A7795_CLK_S2D1 },	/* VIN7 */
401 	{ MOD_CLK_ID(805), R8A7795_CLK_S2D1 },	/* VIN6 */
402 	{ MOD_CLK_ID(806), R8A7795_CLK_S2D1 },	/* VIN5 */
403 	{ MOD_CLK_ID(807), R8A7795_CLK_S2D1 },	/* VIN4 */
404 	{ MOD_CLK_ID(808), R8A7795_CLK_S2D1 },	/* VIN3 */
405 	{ MOD_CLK_ID(809), R8A7795_CLK_S2D1 },	/* VIN2 */
406 	{ MOD_CLK_ID(810), R8A7795_CLK_S2D1 },	/* VIN1 */
407 	{ MOD_CLK_ID(811), R8A7795_CLK_S2D1 },	/* VIN0 */
408 	{ MOD_CLK_ID(812), R8A7795_CLK_S3D2 },	/* EAVB-IF */
409 	{ MOD_CLK_ID(820), R8A7795_CLK_S2D1 },	/* IMR3 */
410 	{ MOD_CLK_ID(821), R8A7795_CLK_S2D1 },	/* IMR2 */
411 	{ MOD_CLK_ID(822), R8A7795_CLK_S2D1 },	/* IMR1 */
412 	{ MOD_CLK_ID(823), R8A7795_CLK_S2D1 },	/* IMR0 */
413 	{ MOD_CLK_ID(905), R8A7795_CLK_CP },	/* GPIO7 */
414 	{ MOD_CLK_ID(906), R8A7795_CLK_CP },	/* GPIO6 */
415 	{ MOD_CLK_ID(907), R8A7795_CLK_CP },	/* GPIO5 */
416 	{ MOD_CLK_ID(908), R8A7795_CLK_CP },	/* GPIO4 */
417 	{ MOD_CLK_ID(909), R8A7795_CLK_CP },	/* GPIO3 */
418 	{ MOD_CLK_ID(910), R8A7795_CLK_CP },	/* GPIO2 */
419 	{ MOD_CLK_ID(911), R8A7795_CLK_CP },	/* GPIO1 */
420 	{ MOD_CLK_ID(912), R8A7795_CLK_CP },	/* GPIO0 */
421 	{ MOD_CLK_ID(918), R8A7795_CLK_S3D2 },	/* I2C6 */
422 	{ MOD_CLK_ID(919), R8A7795_CLK_S3D2 },	/* I2C5 */
423 	{ MOD_CLK_ID(927), R8A7795_CLK_S3D2 },	/* I2C4 */
424 	{ MOD_CLK_ID(928), R8A7795_CLK_S3D2 },	/* I2C3 */
425 };
426 
427 
428 	/*
429 	 * Fixups for R-Car H3 ES2.x
430 	 */
431 
432 static const unsigned int r8a7795es2_mod_nullify[] __initconst = {
433 	MOD_CLK_ID(117),			/* FDP1-2 */
434 	MOD_CLK_ID(327),			/* USB3-IF1 */
435 	MOD_CLK_ID(600),			/* FCPVD3 */
436 	MOD_CLK_ID(609),			/* FCPVI2 */
437 	MOD_CLK_ID(613),			/* FCPF2 */
438 	MOD_CLK_ID(616),			/* FCPCI1 */
439 	MOD_CLK_ID(617),			/* FCPCI0 */
440 	MOD_CLK_ID(620),			/* VSPD3 */
441 	MOD_CLK_ID(629),			/* VSPI2 */
442 	MOD_CLK_ID(713),			/* CSI21 */
443 };
444 
445 static int __init r8a7795_cpg_mssr_init(struct device *dev)
446 {
447 	const struct rcar_gen3_cpg_pll_config *cpg_pll_config;
448 	u32 cpg_mode;
449 	int error;
450 
451 	error = rcar_rst_read_mode_pins(&cpg_mode);
452 	if (error)
453 		return error;
454 
455 	cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
456 	if (!cpg_pll_config->extal_div) {
457 		dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode);
458 		return -EINVAL;
459 	}
460 
461 	if (soc_device_match(r8a7795es1)) {
462 		cpg_core_nullify_range(r8a7795_core_clks,
463 				       ARRAY_SIZE(r8a7795_core_clks),
464 				       R8A7795_CLK_S0D2, R8A7795_CLK_S0D12);
465 		mssr_mod_nullify(r8a7795_mod_clks,
466 				 ARRAY_SIZE(r8a7795_mod_clks),
467 				 r8a7795es1_mod_nullify,
468 				 ARRAY_SIZE(r8a7795es1_mod_nullify));
469 		mssr_mod_reparent(r8a7795_mod_clks,
470 				  ARRAY_SIZE(r8a7795_mod_clks),
471 				  r8a7795es1_mod_reparent,
472 				  ARRAY_SIZE(r8a7795es1_mod_reparent));
473 	} else {
474 		mssr_mod_nullify(r8a7795_mod_clks,
475 				 ARRAY_SIZE(r8a7795_mod_clks),
476 				 r8a7795es2_mod_nullify,
477 				 ARRAY_SIZE(r8a7795es2_mod_nullify));
478 	}
479 
480 	return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode);
481 }
482 
483 const struct cpg_mssr_info r8a7795_cpg_mssr_info __initconst = {
484 	/* Core Clocks */
485 	.core_clks = r8a7795_core_clks,
486 	.num_core_clks = ARRAY_SIZE(r8a7795_core_clks),
487 	.last_dt_core_clk = LAST_DT_CORE_CLK,
488 	.num_total_core_clks = MOD_CLK_BASE,
489 
490 	/* Module Clocks */
491 	.mod_clks = r8a7795_mod_clks,
492 	.num_mod_clks = ARRAY_SIZE(r8a7795_mod_clks),
493 	.num_hw_mod_clks = 12 * 32,
494 
495 	/* Critical Module Clocks */
496 	.crit_mod_clks = r8a7795_crit_mod_clks,
497 	.num_crit_mod_clks = ARRAY_SIZE(r8a7795_crit_mod_clks),
498 
499 	/* Callbacks */
500 	.init = r8a7795_cpg_mssr_init,
501 	.cpg_clk_register = rcar_gen3_cpg_clk_register,
502 };
503