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 const struct cpg_core_clk r8a7795_core_clks[] __initconst = { |
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 | |
75 | DEF_BASE(".rpcsrc" , CLK_RPCSRC, CLK_TYPE_GEN3_RPCSRC, CLK_PLL1), |
76 | |
77 | DEF_GEN3_OSC(".r" , CLK_RINT, CLK_EXTAL, 32), |
78 | |
79 | /* Core Clock Outputs */ |
80 | DEF_GEN3_Z("z" , R8A7795_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0, 2, 8), |
81 | DEF_GEN3_Z("z2" , R8A7795_CLK_Z2, CLK_TYPE_GEN3_Z, CLK_PLL2, 2, 0), |
82 | DEF_GEN3_Z("zg" , R8A7795_CLK_ZG, CLK_TYPE_GEN3_ZG, CLK_PLL4, 4, 24), |
83 | DEF_FIXED("ztr" , R8A7795_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), |
84 | DEF_FIXED("ztrd2" , R8A7795_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), |
85 | DEF_FIXED("zt" , R8A7795_CLK_ZT, CLK_PLL1_DIV2, 4, 1), |
86 | DEF_FIXED("zx" , R8A7795_CLK_ZX, CLK_PLL1_DIV2, 2, 1), |
87 | DEF_FIXED("s0d1" , R8A7795_CLK_S0D1, CLK_S0, 1, 1), |
88 | DEF_FIXED("s0d2" , R8A7795_CLK_S0D2, CLK_S0, 2, 1), |
89 | DEF_FIXED("s0d3" , R8A7795_CLK_S0D3, CLK_S0, 3, 1), |
90 | DEF_FIXED("s0d4" , R8A7795_CLK_S0D4, CLK_S0, 4, 1), |
91 | DEF_FIXED("s0d6" , R8A7795_CLK_S0D6, CLK_S0, 6, 1), |
92 | DEF_FIXED("s0d8" , R8A7795_CLK_S0D8, CLK_S0, 8, 1), |
93 | DEF_FIXED("s0d12" , R8A7795_CLK_S0D12, CLK_S0, 12, 1), |
94 | DEF_FIXED("s1d1" , R8A7795_CLK_S1D1, CLK_S1, 1, 1), |
95 | DEF_FIXED("s1d2" , R8A7795_CLK_S1D2, CLK_S1, 2, 1), |
96 | DEF_FIXED("s1d4" , R8A7795_CLK_S1D4, CLK_S1, 4, 1), |
97 | DEF_FIXED("s2d1" , R8A7795_CLK_S2D1, CLK_S2, 1, 1), |
98 | DEF_FIXED("s2d2" , R8A7795_CLK_S2D2, CLK_S2, 2, 1), |
99 | DEF_FIXED("s2d4" , R8A7795_CLK_S2D4, CLK_S2, 4, 1), |
100 | DEF_FIXED("s3d1" , R8A7795_CLK_S3D1, CLK_S3, 1, 1), |
101 | DEF_FIXED("s3d2" , R8A7795_CLK_S3D2, CLK_S3, 2, 1), |
102 | DEF_FIXED("s3d4" , R8A7795_CLK_S3D4, CLK_S3, 4, 1), |
103 | |
104 | DEF_GEN3_SDH("sd0h" , R8A7795_CLK_SD0H, CLK_SDSRC, 0x074), |
105 | DEF_GEN3_SDH("sd1h" , R8A7795_CLK_SD1H, CLK_SDSRC, 0x078), |
106 | DEF_GEN3_SDH("sd2h" , R8A7795_CLK_SD2H, CLK_SDSRC, 0x268), |
107 | DEF_GEN3_SDH("sd3h" , R8A7795_CLK_SD3H, CLK_SDSRC, 0x26c), |
108 | DEF_GEN3_SD("sd0" , R8A7795_CLK_SD0, R8A7795_CLK_SD0H, 0x074), |
109 | DEF_GEN3_SD("sd1" , R8A7795_CLK_SD1, R8A7795_CLK_SD1H, 0x078), |
110 | DEF_GEN3_SD("sd2" , R8A7795_CLK_SD2, R8A7795_CLK_SD2H, 0x268), |
111 | DEF_GEN3_SD("sd3" , R8A7795_CLK_SD3, R8A7795_CLK_SD3H, 0x26c), |
112 | |
113 | DEF_BASE("rpc" , R8A7795_CLK_RPC, CLK_TYPE_GEN3_RPC, CLK_RPCSRC), |
114 | DEF_BASE("rpcd2" , R8A7795_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2, R8A7795_CLK_RPC), |
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 const struct mssr_mod_clk r8a7795_mod_clks[] __initconst = { |
132 | DEF_MOD("3dge" , 112, R8A7795_CLK_ZG), |
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-if0" , 328, R8A7795_CLK_S3D1), |
167 | DEF_MOD("usb-dmac31" , 329, R8A7795_CLK_S3D1), |
168 | DEF_MOD("usb-dmac0" , 330, R8A7795_CLK_S3D1), |
169 | DEF_MOD("usb-dmac1" , 331, R8A7795_CLK_S3D1), |
170 | DEF_MOD("rwdt" , 402, R8A7795_CLK_R), |
171 | DEF_MOD("intc-ex" , 407, R8A7795_CLK_CP), |
172 | DEF_MOD("intc-ap" , 408, R8A7795_CLK_S0D3), |
173 | DEF_MOD("audmac1" , 501, R8A7795_CLK_S1D2), |
174 | DEF_MOD("audmac0" , 502, R8A7795_CLK_S1D2), |
175 | DEF_MOD("drif31" , 508, R8A7795_CLK_S3D2), |
176 | DEF_MOD("drif30" , 509, R8A7795_CLK_S3D2), |
177 | DEF_MOD("drif21" , 510, R8A7795_CLK_S3D2), |
178 | DEF_MOD("drif20" , 511, R8A7795_CLK_S3D2), |
179 | DEF_MOD("drif11" , 512, R8A7795_CLK_S3D2), |
180 | DEF_MOD("drif10" , 513, R8A7795_CLK_S3D2), |
181 | DEF_MOD("drif01" , 514, R8A7795_CLK_S3D2), |
182 | DEF_MOD("drif00" , 515, R8A7795_CLK_S3D2), |
183 | DEF_MOD("hscif4" , 516, R8A7795_CLK_S3D1), |
184 | DEF_MOD("hscif3" , 517, R8A7795_CLK_S3D1), |
185 | DEF_MOD("hscif2" , 518, R8A7795_CLK_S3D1), |
186 | DEF_MOD("hscif1" , 519, R8A7795_CLK_S3D1), |
187 | DEF_MOD("hscif0" , 520, R8A7795_CLK_S3D1), |
188 | DEF_MOD("thermal" , 522, R8A7795_CLK_CP), |
189 | DEF_MOD("pwm" , 523, R8A7795_CLK_S0D12), |
190 | DEF_MOD("fcpvd2" , 601, R8A7795_CLK_S0D2), |
191 | DEF_MOD("fcpvd1" , 602, R8A7795_CLK_S0D2), |
192 | DEF_MOD("fcpvd0" , 603, R8A7795_CLK_S0D2), |
193 | DEF_MOD("fcpvb1" , 606, R8A7795_CLK_S0D1), |
194 | DEF_MOD("fcpvb0" , 607, R8A7795_CLK_S0D1), |
195 | DEF_MOD("fcpvi1" , 610, R8A7795_CLK_S0D1), |
196 | DEF_MOD("fcpvi0" , 611, R8A7795_CLK_S0D1), |
197 | DEF_MOD("fcpf1" , 614, R8A7795_CLK_S0D1), |
198 | DEF_MOD("fcpf0" , 615, R8A7795_CLK_S0D1), |
199 | DEF_MOD("fcpcs" , 619, R8A7795_CLK_S0D1), |
200 | DEF_MOD("vspd2" , 621, R8A7795_CLK_S0D2), |
201 | DEF_MOD("vspd1" , 622, R8A7795_CLK_S0D2), |
202 | DEF_MOD("vspd0" , 623, R8A7795_CLK_S0D2), |
203 | DEF_MOD("vspbc" , 624, R8A7795_CLK_S0D1), |
204 | DEF_MOD("vspbd" , 626, R8A7795_CLK_S0D1), |
205 | DEF_MOD("vspi1" , 630, R8A7795_CLK_S0D1), |
206 | DEF_MOD("vspi0" , 631, R8A7795_CLK_S0D1), |
207 | DEF_MOD("ehci3" , 700, R8A7795_CLK_S3D2), |
208 | DEF_MOD("ehci2" , 701, R8A7795_CLK_S3D2), |
209 | DEF_MOD("ehci1" , 702, R8A7795_CLK_S3D2), |
210 | DEF_MOD("ehci0" , 703, R8A7795_CLK_S3D2), |
211 | DEF_MOD("hsusb" , 704, R8A7795_CLK_S3D2), |
212 | DEF_MOD("hsusb3" , 705, R8A7795_CLK_S3D2), |
213 | DEF_MOD("cmm3" , 708, R8A7795_CLK_S2D1), |
214 | DEF_MOD("cmm2" , 709, R8A7795_CLK_S2D1), |
215 | DEF_MOD("cmm1" , 710, R8A7795_CLK_S2D1), |
216 | DEF_MOD("cmm0" , 711, R8A7795_CLK_S2D1), |
217 | DEF_MOD("csi20" , 714, R8A7795_CLK_CSI0), |
218 | DEF_MOD("csi41" , 715, R8A7795_CLK_CSI0), |
219 | DEF_MOD("csi40" , 716, R8A7795_CLK_CSI0), |
220 | DEF_MOD("du3" , 721, R8A7795_CLK_S2D1), |
221 | DEF_MOD("du2" , 722, R8A7795_CLK_S2D1), |
222 | DEF_MOD("du1" , 723, R8A7795_CLK_S2D1), |
223 | DEF_MOD("du0" , 724, R8A7795_CLK_S2D1), |
224 | DEF_MOD("lvds" , 727, R8A7795_CLK_S0D4), |
225 | DEF_MOD("hdmi1" , 728, R8A7795_CLK_HDMI), |
226 | DEF_MOD("hdmi0" , 729, R8A7795_CLK_HDMI), |
227 | DEF_MOD("mlp" , 802, R8A7795_CLK_S2D1), |
228 | DEF_MOD("vin7" , 804, R8A7795_CLK_S0D2), |
229 | DEF_MOD("vin6" , 805, R8A7795_CLK_S0D2), |
230 | DEF_MOD("vin5" , 806, R8A7795_CLK_S0D2), |
231 | DEF_MOD("vin4" , 807, R8A7795_CLK_S0D2), |
232 | DEF_MOD("vin3" , 808, R8A7795_CLK_S0D2), |
233 | DEF_MOD("vin2" , 809, R8A7795_CLK_S0D2), |
234 | DEF_MOD("vin1" , 810, R8A7795_CLK_S0D2), |
235 | DEF_MOD("vin0" , 811, R8A7795_CLK_S0D2), |
236 | DEF_MOD("etheravb" , 812, R8A7795_CLK_S0D6), |
237 | DEF_MOD("sata0" , 815, R8A7795_CLK_S3D2), |
238 | DEF_MOD("imr3" , 820, R8A7795_CLK_S0D2), |
239 | DEF_MOD("imr2" , 821, R8A7795_CLK_S0D2), |
240 | DEF_MOD("imr1" , 822, R8A7795_CLK_S0D2), |
241 | DEF_MOD("imr0" , 823, R8A7795_CLK_S0D2), |
242 | DEF_MOD("gpio7" , 905, R8A7795_CLK_S3D4), |
243 | DEF_MOD("gpio6" , 906, R8A7795_CLK_S3D4), |
244 | DEF_MOD("gpio5" , 907, R8A7795_CLK_S3D4), |
245 | DEF_MOD("gpio4" , 908, R8A7795_CLK_S3D4), |
246 | DEF_MOD("gpio3" , 909, R8A7795_CLK_S3D4), |
247 | DEF_MOD("gpio2" , 910, R8A7795_CLK_S3D4), |
248 | DEF_MOD("gpio1" , 911, R8A7795_CLK_S3D4), |
249 | DEF_MOD("gpio0" , 912, R8A7795_CLK_S3D4), |
250 | DEF_MOD("can-fd" , 914, R8A7795_CLK_S3D2), |
251 | DEF_MOD("can-if1" , 915, R8A7795_CLK_S3D4), |
252 | DEF_MOD("can-if0" , 916, R8A7795_CLK_S3D4), |
253 | DEF_MOD("rpc-if" , 917, R8A7795_CLK_RPCD2), |
254 | DEF_MOD("i2c6" , 918, R8A7795_CLK_S0D6), |
255 | DEF_MOD("i2c5" , 919, R8A7795_CLK_S0D6), |
256 | DEF_MOD("adg" , 922, R8A7795_CLK_S0D4), |
257 | DEF_MOD("i2c-dvfs" , 926, R8A7795_CLK_CP), |
258 | DEF_MOD("i2c4" , 927, R8A7795_CLK_S0D6), |
259 | DEF_MOD("i2c3" , 928, R8A7795_CLK_S0D6), |
260 | DEF_MOD("i2c2" , 929, R8A7795_CLK_S3D2), |
261 | DEF_MOD("i2c1" , 930, R8A7795_CLK_S3D2), |
262 | DEF_MOD("i2c0" , 931, R8A7795_CLK_S3D2), |
263 | DEF_MOD("ssi-all" , 1005, R8A7795_CLK_S3D4), |
264 | DEF_MOD("ssi9" , 1006, MOD_CLK_ID(1005)), |
265 | DEF_MOD("ssi8" , 1007, MOD_CLK_ID(1005)), |
266 | DEF_MOD("ssi7" , 1008, MOD_CLK_ID(1005)), |
267 | DEF_MOD("ssi6" , 1009, MOD_CLK_ID(1005)), |
268 | DEF_MOD("ssi5" , 1010, MOD_CLK_ID(1005)), |
269 | DEF_MOD("ssi4" , 1011, MOD_CLK_ID(1005)), |
270 | DEF_MOD("ssi3" , 1012, MOD_CLK_ID(1005)), |
271 | DEF_MOD("ssi2" , 1013, MOD_CLK_ID(1005)), |
272 | DEF_MOD("ssi1" , 1014, MOD_CLK_ID(1005)), |
273 | DEF_MOD("ssi0" , 1015, MOD_CLK_ID(1005)), |
274 | DEF_MOD("scu-all" , 1017, R8A7795_CLK_S3D4), |
275 | DEF_MOD("scu-dvc1" , 1018, MOD_CLK_ID(1017)), |
276 | DEF_MOD("scu-dvc0" , 1019, MOD_CLK_ID(1017)), |
277 | DEF_MOD("scu-ctu1-mix1" , 1020, MOD_CLK_ID(1017)), |
278 | DEF_MOD("scu-ctu0-mix0" , 1021, MOD_CLK_ID(1017)), |
279 | DEF_MOD("scu-src9" , 1022, MOD_CLK_ID(1017)), |
280 | DEF_MOD("scu-src8" , 1023, MOD_CLK_ID(1017)), |
281 | DEF_MOD("scu-src7" , 1024, MOD_CLK_ID(1017)), |
282 | DEF_MOD("scu-src6" , 1025, MOD_CLK_ID(1017)), |
283 | DEF_MOD("scu-src5" , 1026, MOD_CLK_ID(1017)), |
284 | DEF_MOD("scu-src4" , 1027, MOD_CLK_ID(1017)), |
285 | DEF_MOD("scu-src3" , 1028, MOD_CLK_ID(1017)), |
286 | DEF_MOD("scu-src2" , 1029, MOD_CLK_ID(1017)), |
287 | DEF_MOD("scu-src1" , 1030, MOD_CLK_ID(1017)), |
288 | DEF_MOD("scu-src0" , 1031, MOD_CLK_ID(1017)), |
289 | }; |
290 | |
291 | static const unsigned int r8a7795_crit_mod_clks[] __initconst = { |
292 | MOD_CLK_ID(402), /* RWDT */ |
293 | MOD_CLK_ID(408), /* INTC-AP (GIC) */ |
294 | }; |
295 | |
296 | /* |
297 | * CPG Clock Data |
298 | */ |
299 | |
300 | /* |
301 | * MD EXTAL PLL0 PLL1 PLL2 PLL3 PLL4 OSC |
302 | * 14 13 19 17 (MHz) |
303 | *------------------------------------------------------------------------- |
304 | * 0 0 0 0 16.66 x 1 x180 x192 x144 x192 x144 /16 |
305 | * 0 0 0 1 16.66 x 1 x180 x192 x144 x128 x144 /16 |
306 | * 0 0 1 0 Prohibited setting |
307 | * 0 0 1 1 16.66 x 1 x180 x192 x144 x192 x144 /16 |
308 | * 0 1 0 0 20 x 1 x150 x160 x120 x160 x120 /19 |
309 | * 0 1 0 1 20 x 1 x150 x160 x120 x106 x120 /19 |
310 | * 0 1 1 0 Prohibited setting |
311 | * 0 1 1 1 20 x 1 x150 x160 x120 x160 x120 /19 |
312 | * 1 0 0 0 25 x 1 x120 x128 x96 x128 x96 /24 |
313 | * 1 0 0 1 25 x 1 x120 x128 x96 x84 x96 /24 |
314 | * 1 0 1 0 Prohibited setting |
315 | * 1 0 1 1 25 x 1 x120 x128 x96 x128 x96 /24 |
316 | * 1 1 0 0 33.33 / 2 x180 x192 x144 x192 x144 /32 |
317 | * 1 1 0 1 33.33 / 2 x180 x192 x144 x128 x144 /32 |
318 | * 1 1 1 0 Prohibited setting |
319 | * 1 1 1 1 33.33 / 2 x180 x192 x144 x192 x144 /32 |
320 | */ |
321 | #define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \ |
322 | (((md) & BIT(13)) >> 11) | \ |
323 | (((md) & BIT(19)) >> 18) | \ |
324 | (((md) & BIT(17)) >> 17)) |
325 | |
326 | static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = { |
327 | /* EXTAL div PLL1 mult/div PLL3 mult/div OSC prediv */ |
328 | { 1, 192, 1, 192, 1, 16, }, |
329 | { 1, 192, 1, 128, 1, 16, }, |
330 | { 0, /* Prohibited setting */ }, |
331 | { 1, 192, 1, 192, 1, 16, }, |
332 | { 1, 160, 1, 160, 1, 19, }, |
333 | { 1, 160, 1, 106, 1, 19, }, |
334 | { 0, /* Prohibited setting */ }, |
335 | { 1, 160, 1, 160, 1, 19, }, |
336 | { 1, 128, 1, 128, 1, 24, }, |
337 | { 1, 128, 1, 84, 1, 24, }, |
338 | { 0, /* Prohibited setting */ }, |
339 | { 1, 128, 1, 128, 1, 24, }, |
340 | { 2, 192, 1, 192, 1, 32, }, |
341 | { 2, 192, 1, 128, 1, 32, }, |
342 | { 0, /* Prohibited setting */ }, |
343 | { 2, 192, 1, 192, 1, 32, }, |
344 | }; |
345 | |
346 | static const struct soc_device_attribute r8a7795_denylist[] __initconst = { |
347 | { .soc_id = "r8a7795" , .revision = "ES1.*" }, |
348 | { /* sentinel */ } |
349 | }; |
350 | |
351 | static int __init r8a7795_cpg_mssr_init(struct device *dev) |
352 | { |
353 | const struct rcar_gen3_cpg_pll_config *cpg_pll_config; |
354 | u32 cpg_mode; |
355 | int error; |
356 | |
357 | /* |
358 | * We panic here to ensure removed SoCs and clk updates are always in |
359 | * sync to avoid overclocking damages. The panic can only be seen with |
360 | * commandline args 'earlycon keep_bootcon'. But these SoCs were for |
361 | * developers only anyhow. |
362 | */ |
363 | if (soc_device_match(matches: r8a7795_denylist)) |
364 | panic(fmt: "SoC not supported anymore!\n" ); |
365 | |
366 | error = rcar_rst_read_mode_pins(mode: &cpg_mode); |
367 | if (error) |
368 | return error; |
369 | |
370 | cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; |
371 | if (!cpg_pll_config->extal_div) { |
372 | dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n" , cpg_mode); |
373 | return -EINVAL; |
374 | } |
375 | |
376 | return rcar_gen3_cpg_init(config: cpg_pll_config, clk_extalr: CLK_EXTALR, mode: cpg_mode); |
377 | } |
378 | |
379 | const struct cpg_mssr_info r8a7795_cpg_mssr_info __initconst = { |
380 | /* Core Clocks */ |
381 | .core_clks = r8a7795_core_clks, |
382 | .num_core_clks = ARRAY_SIZE(r8a7795_core_clks), |
383 | .last_dt_core_clk = LAST_DT_CORE_CLK, |
384 | .num_total_core_clks = MOD_CLK_BASE, |
385 | |
386 | /* Module Clocks */ |
387 | .mod_clks = r8a7795_mod_clks, |
388 | .num_mod_clks = ARRAY_SIZE(r8a7795_mod_clks), |
389 | .num_hw_mod_clks = 12 * 32, |
390 | |
391 | /* Critical Module Clocks */ |
392 | .crit_mod_clks = r8a7795_crit_mod_clks, |
393 | .num_crit_mod_clks = ARRAY_SIZE(r8a7795_crit_mod_clks), |
394 | |
395 | /* Callbacks */ |
396 | .init = r8a7795_cpg_mssr_init, |
397 | .cpg_clk_register = rcar_gen3_cpg_clk_register, |
398 | }; |
399 | |