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clk: rmobile: Fix typo in R8A7796 RPC clock table entry
[people/ms/u-boot.git] / drivers / clk / renesas / clk-rcar-gen3.c
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1/*
2 * Renesas RCar Gen3 R8A7795/R8A7796 CPG MSSR driver
3 *
4 * Copyright (C) 2017 Marek Vasut <marek.vasut@gmail.com>
5 *
6 * Based on the following driver from Linux kernel:
7 * r8a7796 Clock Pulse Generator / Module Standby and Software Reset
8 *
9 * Copyright (C) 2016 Glider bvba
10 *
11 * SPDX-License-Identifier: GPL-2.0+
12 */
13
14#include <common.h>
15#include <clk-uclass.h>
16#include <dm.h>
17#include <errno.h>
18#include <wait_bit.h>
19#include <asm/io.h>
20
21#include <dt-bindings/clock/r8a7795-cpg-mssr.h>
22#include <dt-bindings/clock/r8a7796-cpg-mssr.h>
23
24#define CPG_RST_MODEMR 0x0060
25
26#define CPG_PLL0CR 0x00d8
27#define CPG_PLL2CR 0x002c
28#define CPG_PLL4CR 0x01f4
29
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30#define CPG_RPC_PREDIV_MASK 0x3
31#define CPG_RPC_PREDIV_OFFSET 3
32#define CPG_RPC_POSTDIV_MASK 0x7
33#define CPG_RPC_POSTDIV_OFFSET 0
34
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35/*
36 * Module Standby and Software Reset register offets.
37 *
38 * If the registers exist, these are valid for SH-Mobile, R-Mobile,
39 * R-Car Gen2, R-Car Gen3, and RZ/G1.
40 * These are NOT valid for R-Car Gen1 and RZ/A1!
41 */
42
43/*
44 * Module Stop Status Register offsets
45 */
46
47static const u16 mstpsr[] = {
48 0x030, 0x038, 0x040, 0x048, 0x04C, 0x03C, 0x1C0, 0x1C4,
49 0x9A0, 0x9A4, 0x9A8, 0x9AC,
50};
51
52#define MSTPSR(i) mstpsr[i]
53
54
55/*
56 * System Module Stop Control Register offsets
57 */
58
59static const u16 smstpcr[] = {
60 0x130, 0x134, 0x138, 0x13C, 0x140, 0x144, 0x148, 0x14C,
61 0x990, 0x994, 0x998, 0x99C,
62};
63
64#define SMSTPCR(i) smstpcr[i]
65
66
67/* Realtime Module Stop Control Register offsets */
68#define RMSTPCR(i) (smstpcr[i] - 0x20)
69
70/* Modem Module Stop Control Register offsets (r8a73a4) */
71#define MMSTPCR(i) (smstpcr[i] + 0x20)
72
73/* Software Reset Clearing Register offsets */
74#define SRSTCLR(i) (0x940 + (i) * 4)
75
76struct gen3_clk_priv {
77 void __iomem *base;
78 struct clk clk_extal;
79 struct clk clk_extalr;
80 const struct rcar_gen3_cpg_pll_config *cpg_pll_config;
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81 const struct cpg_core_clk *core_clk;
82 u32 core_clk_size;
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83 const struct mssr_mod_clk *mod_clk;
84 u32 mod_clk_size;
85};
86
87/*
88 * Definitions of CPG Core Clocks
89 *
90 * These include:
91 * - Clock outputs exported to DT
92 * - External input clocks
93 * - Internal CPG clocks
94 */
95struct cpg_core_clk {
96 /* Common */
97 const char *name;
98 unsigned int id;
99 unsigned int type;
100 /* Depending on type */
101 unsigned int parent; /* Core Clocks only */
102 unsigned int div;
103 unsigned int mult;
104 unsigned int offset;
105};
106
107enum clk_types {
108 /* Generic */
109 CLK_TYPE_IN, /* External Clock Input */
110 CLK_TYPE_FF, /* Fixed Factor Clock */
111
112 /* Custom definitions start here */
113 CLK_TYPE_CUSTOM,
114};
115
116#define DEF_TYPE(_name, _id, _type...) \
117 { .name = _name, .id = _id, .type = _type }
118#define DEF_BASE(_name, _id, _type, _parent...) \
119 DEF_TYPE(_name, _id, _type, .parent = _parent)
120
121#define DEF_INPUT(_name, _id) \
122 DEF_TYPE(_name, _id, CLK_TYPE_IN)
123#define DEF_FIXED(_name, _id, _parent, _div, _mult) \
124 DEF_BASE(_name, _id, CLK_TYPE_FF, _parent, .div = _div, .mult = _mult)
125#define DEF_GEN3_SD(_name, _id, _parent, _offset) \
126 DEF_BASE(_name, _id, CLK_TYPE_GEN3_SD, _parent, .offset = _offset)
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127#define DEF_GEN3_RPC(_name, _id, _parent, _offset) \
128 DEF_BASE(_name, _id, CLK_TYPE_GEN3_RPC, _parent, .offset = _offset)
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129
130/*
131 * Definitions of Module Clocks
132 */
133struct mssr_mod_clk {
134 const char *name;
135 unsigned int id;
136 unsigned int parent; /* Add MOD_CLK_BASE for Module Clocks */
137};
138
139/* Convert from sparse base-100 to packed index space */
140#define MOD_CLK_PACK(x) ((x) - ((x) / 100) * (100 - 32))
141
142#define MOD_CLK_ID(x) (MOD_CLK_BASE + MOD_CLK_PACK(x))
143
144#define DEF_MOD(_name, _mod, _parent...) \
145 { .name = _name, .id = MOD_CLK_ID(_mod), .parent = _parent }
146
147enum rcar_gen3_clk_types {
148 CLK_TYPE_GEN3_MAIN = CLK_TYPE_CUSTOM,
149 CLK_TYPE_GEN3_PLL0,
150 CLK_TYPE_GEN3_PLL1,
151 CLK_TYPE_GEN3_PLL2,
152 CLK_TYPE_GEN3_PLL3,
153 CLK_TYPE_GEN3_PLL4,
154 CLK_TYPE_GEN3_SD,
849ab0a6 155 CLK_TYPE_GEN3_RPC,
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156 CLK_TYPE_GEN3_R,
157};
158
159struct rcar_gen3_cpg_pll_config {
160 unsigned int extal_div;
161 unsigned int pll1_mult;
162 unsigned int pll3_mult;
163};
164
165enum clk_ids {
166 /* Core Clock Outputs exported to DT */
167 LAST_DT_CORE_CLK = R8A7796_CLK_OSC,
168
169 /* External Input Clocks */
170 CLK_EXTAL,
171 CLK_EXTALR,
172
173 /* Internal Core Clocks */
174 CLK_MAIN,
175 CLK_PLL0,
176 CLK_PLL1,
177 CLK_PLL2,
178 CLK_PLL3,
179 CLK_PLL4,
180 CLK_PLL1_DIV2,
181 CLK_PLL1_DIV4,
182 CLK_S0,
183 CLK_S1,
184 CLK_S2,
185 CLK_S3,
186 CLK_SDSRC,
849ab0a6 187 CLK_RPCSRC,
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188 CLK_SSPSRC,
189 CLK_RINT,
190
191 /* Module Clocks */
192 MOD_CLK_BASE
193};
194
fd8692b8 195static const struct cpg_core_clk r8a7795_core_clks[] = {
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196 /* External Clock Inputs */
197 DEF_INPUT("extal", CLK_EXTAL),
198 DEF_INPUT("extalr", CLK_EXTALR),
199
200 /* Internal Core Clocks */
201 DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL),
202 DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN),
203 DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN),
204 DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN),
205 DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN),
206 DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN),
207
208 DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1),
209 DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1),
210 DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1),
211 DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1),
212 DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1),
213 DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1),
214 DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1),
849ab0a6 215 DEF_FIXED(".rpcsrc", CLK_RPCSRC, CLK_PLL1, 2, 1),
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216
217 /* Core Clock Outputs */
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218 DEF_FIXED("ztr", R8A7795_CLK_ZTR, CLK_PLL1_DIV2, 6, 1),
219 DEF_FIXED("ztrd2", R8A7795_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1),
220 DEF_FIXED("zt", R8A7795_CLK_ZT, CLK_PLL1_DIV2, 4, 1),
221 DEF_FIXED("zx", R8A7795_CLK_ZX, CLK_PLL1_DIV2, 2, 1),
222 DEF_FIXED("s0d1", R8A7795_CLK_S0D1, CLK_S0, 1, 1),
223 DEF_FIXED("s0d2", R8A7795_CLK_S0D2, CLK_S0, 2, 1),
224 DEF_FIXED("s0d3", R8A7795_CLK_S0D3, CLK_S0, 3, 1),
225 DEF_FIXED("s0d4", R8A7795_CLK_S0D4, CLK_S0, 4, 1),
226 DEF_FIXED("s0d6", R8A7795_CLK_S0D6, CLK_S0, 6, 1),
227 DEF_FIXED("s0d8", R8A7795_CLK_S0D8, CLK_S0, 8, 1),
228 DEF_FIXED("s0d12", R8A7795_CLK_S0D12, CLK_S0, 12, 1),
229 DEF_FIXED("s1d1", R8A7795_CLK_S1D1, CLK_S1, 1, 1),
230 DEF_FIXED("s1d2", R8A7795_CLK_S1D2, CLK_S1, 2, 1),
231 DEF_FIXED("s1d4", R8A7795_CLK_S1D4, CLK_S1, 4, 1),
232 DEF_FIXED("s2d1", R8A7795_CLK_S2D1, CLK_S2, 1, 1),
233 DEF_FIXED("s2d2", R8A7795_CLK_S2D2, CLK_S2, 2, 1),
234 DEF_FIXED("s2d4", R8A7795_CLK_S2D4, CLK_S2, 4, 1),
235 DEF_FIXED("s3d1", R8A7795_CLK_S3D1, CLK_S3, 1, 1),
236 DEF_FIXED("s3d2", R8A7795_CLK_S3D2, CLK_S3, 2, 1),
237 DEF_FIXED("s3d4", R8A7795_CLK_S3D4, CLK_S3, 4, 1),
238
239 DEF_GEN3_SD("sd0", R8A7795_CLK_SD0, CLK_SDSRC, 0x074),
240 DEF_GEN3_SD("sd1", R8A7795_CLK_SD1, CLK_SDSRC, 0x078),
241 DEF_GEN3_SD("sd2", R8A7795_CLK_SD2, CLK_SDSRC, 0x268),
242 DEF_GEN3_SD("sd3", R8A7795_CLK_SD3, CLK_SDSRC, 0x26c),
243
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244 DEF_GEN3_RPC("rpc", R8A7795_CLK_RPC, CLK_RPCSRC, 0x238),
245
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246 DEF_FIXED("cl", R8A7795_CLK_CL, CLK_PLL1_DIV2, 48, 1),
247 DEF_FIXED("cp", R8A7795_CLK_CP, CLK_EXTAL, 2, 1),
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248
249 /* NOTE: HDMI, CSI, CAN etc. clock are missing */
250
fd8692b8 251 DEF_BASE("r", R8A7795_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT),
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252};
253
254static const struct mssr_mod_clk r8a7795_mod_clks[] = {
255 DEF_MOD("fdp1-2", 117, R8A7795_CLK_S2D1), /* ES1.x */
256 DEF_MOD("fdp1-1", 118, R8A7795_CLK_S0D1),
257 DEF_MOD("fdp1-0", 119, R8A7795_CLK_S0D1),
258 DEF_MOD("scif5", 202, R8A7795_CLK_S3D4),
259 DEF_MOD("scif4", 203, R8A7795_CLK_S3D4),
260 DEF_MOD("scif3", 204, R8A7795_CLK_S3D4),
261 DEF_MOD("scif1", 206, R8A7795_CLK_S3D4),
262 DEF_MOD("scif0", 207, R8A7795_CLK_S3D4),
263 DEF_MOD("msiof3", 208, R8A7795_CLK_MSO),
264 DEF_MOD("msiof2", 209, R8A7795_CLK_MSO),
265 DEF_MOD("msiof1", 210, R8A7795_CLK_MSO),
266 DEF_MOD("msiof0", 211, R8A7795_CLK_MSO),
267 DEF_MOD("sys-dmac2", 217, R8A7795_CLK_S0D3),
268 DEF_MOD("sys-dmac1", 218, R8A7795_CLK_S0D3),
269 DEF_MOD("sys-dmac0", 219, R8A7795_CLK_S0D3),
270 DEF_MOD("cmt3", 300, R8A7795_CLK_R),
271 DEF_MOD("cmt2", 301, R8A7795_CLK_R),
272 DEF_MOD("cmt1", 302, R8A7795_CLK_R),
273 DEF_MOD("cmt0", 303, R8A7795_CLK_R),
274 DEF_MOD("scif2", 310, R8A7795_CLK_S3D4),
275 DEF_MOD("sdif3", 311, R8A7795_CLK_SD3),
276 DEF_MOD("sdif2", 312, R8A7795_CLK_SD2),
277 DEF_MOD("sdif1", 313, R8A7795_CLK_SD1),
278 DEF_MOD("sdif0", 314, R8A7795_CLK_SD0),
279 DEF_MOD("pcie1", 318, R8A7795_CLK_S3D1),
280 DEF_MOD("pcie0", 319, R8A7795_CLK_S3D1),
281 DEF_MOD("usb-dmac30", 326, R8A7795_CLK_S3D1),
282 DEF_MOD("usb3-if1", 327, R8A7795_CLK_S3D1), /* ES1.x */
283 DEF_MOD("usb3-if0", 328, R8A7795_CLK_S3D1),
284 DEF_MOD("usb-dmac31", 329, R8A7795_CLK_S3D1),
285 DEF_MOD("usb-dmac0", 330, R8A7795_CLK_S3D1),
286 DEF_MOD("usb-dmac1", 331, R8A7795_CLK_S3D1),
287 DEF_MOD("rwdt", 402, R8A7795_CLK_R),
288 DEF_MOD("intc-ex", 407, R8A7795_CLK_CP),
289 DEF_MOD("intc-ap", 408, R8A7795_CLK_S3D1),
290 DEF_MOD("audmac1", 501, R8A7795_CLK_S0D3),
291 DEF_MOD("audmac0", 502, R8A7795_CLK_S0D3),
292 DEF_MOD("drif7", 508, R8A7795_CLK_S3D2),
293 DEF_MOD("drif6", 509, R8A7795_CLK_S3D2),
294 DEF_MOD("drif5", 510, R8A7795_CLK_S3D2),
295 DEF_MOD("drif4", 511, R8A7795_CLK_S3D2),
296 DEF_MOD("drif3", 512, R8A7795_CLK_S3D2),
297 DEF_MOD("drif2", 513, R8A7795_CLK_S3D2),
298 DEF_MOD("drif1", 514, R8A7795_CLK_S3D2),
299 DEF_MOD("drif0", 515, R8A7795_CLK_S3D2),
300 DEF_MOD("hscif4", 516, R8A7795_CLK_S3D1),
301 DEF_MOD("hscif3", 517, R8A7795_CLK_S3D1),
302 DEF_MOD("hscif2", 518, R8A7795_CLK_S3D1),
303 DEF_MOD("hscif1", 519, R8A7795_CLK_S3D1),
304 DEF_MOD("hscif0", 520, R8A7795_CLK_S3D1),
305 DEF_MOD("thermal", 522, R8A7795_CLK_CP),
306 DEF_MOD("pwm", 523, R8A7795_CLK_S0D12),
307 DEF_MOD("fcpvd3", 600, R8A7795_CLK_S2D1), /* ES1.x */
308 DEF_MOD("fcpvd2", 601, R8A7795_CLK_S0D2),
309 DEF_MOD("fcpvd1", 602, R8A7795_CLK_S0D2),
310 DEF_MOD("fcpvd0", 603, R8A7795_CLK_S0D2),
311 DEF_MOD("fcpvb1", 606, R8A7795_CLK_S0D1),
312 DEF_MOD("fcpvb0", 607, R8A7795_CLK_S0D1),
313 DEF_MOD("fcpvi2", 609, R8A7795_CLK_S2D1), /* ES1.x */
314 DEF_MOD("fcpvi1", 610, R8A7795_CLK_S0D1),
315 DEF_MOD("fcpvi0", 611, R8A7795_CLK_S0D1),
316 DEF_MOD("fcpf2", 613, R8A7795_CLK_S2D1), /* ES1.x */
317 DEF_MOD("fcpf1", 614, R8A7795_CLK_S0D1),
318 DEF_MOD("fcpf0", 615, R8A7795_CLK_S0D1),
319 DEF_MOD("fcpci1", 616, R8A7795_CLK_S2D1), /* ES1.x */
320 DEF_MOD("fcpci0", 617, R8A7795_CLK_S2D1), /* ES1.x */
321 DEF_MOD("fcpcs", 619, R8A7795_CLK_S0D1),
322 DEF_MOD("vspd3", 620, R8A7795_CLK_S2D1), /* ES1.x */
323 DEF_MOD("vspd2", 621, R8A7795_CLK_S0D2),
324 DEF_MOD("vspd1", 622, R8A7795_CLK_S0D2),
325 DEF_MOD("vspd0", 623, R8A7795_CLK_S0D2),
326 DEF_MOD("vspbc", 624, R8A7795_CLK_S0D1),
327 DEF_MOD("vspbd", 626, R8A7795_CLK_S0D1),
328 DEF_MOD("vspi2", 629, R8A7795_CLK_S2D1), /* ES1.x */
329 DEF_MOD("vspi1", 630, R8A7795_CLK_S0D1),
330 DEF_MOD("vspi0", 631, R8A7795_CLK_S0D1),
331 DEF_MOD("ehci3", 700, R8A7795_CLK_S3D4),
332 DEF_MOD("ehci2", 701, R8A7795_CLK_S3D4),
333 DEF_MOD("ehci1", 702, R8A7795_CLK_S3D4),
334 DEF_MOD("ehci0", 703, R8A7795_CLK_S3D4),
335 DEF_MOD("hsusb", 704, R8A7795_CLK_S3D4),
336 DEF_MOD("hsusb3", 705, R8A7795_CLK_S3D4),
337 DEF_MOD("csi21", 713, R8A7795_CLK_CSI0), /* ES1.x */
338 DEF_MOD("csi20", 714, R8A7795_CLK_CSI0),
339 DEF_MOD("csi41", 715, R8A7795_CLK_CSI0),
340 DEF_MOD("csi40", 716, R8A7795_CLK_CSI0),
341 DEF_MOD("du3", 721, R8A7795_CLK_S2D1),
342 DEF_MOD("du2", 722, R8A7795_CLK_S2D1),
343 DEF_MOD("du1", 723, R8A7795_CLK_S2D1),
344 DEF_MOD("du0", 724, R8A7795_CLK_S2D1),
345 DEF_MOD("lvds", 727, R8A7795_CLK_S0D4),
346 DEF_MOD("hdmi1", 728, R8A7795_CLK_HDMI),
347 DEF_MOD("hdmi0", 729, R8A7795_CLK_HDMI),
348 DEF_MOD("vin7", 804, R8A7795_CLK_S0D2),
349 DEF_MOD("vin6", 805, R8A7795_CLK_S0D2),
350 DEF_MOD("vin5", 806, R8A7795_CLK_S0D2),
351 DEF_MOD("vin4", 807, R8A7795_CLK_S0D2),
352 DEF_MOD("vin3", 808, R8A7795_CLK_S0D2),
353 DEF_MOD("vin2", 809, R8A7795_CLK_S0D2),
354 DEF_MOD("vin1", 810, R8A7795_CLK_S0D2),
355 DEF_MOD("vin0", 811, R8A7795_CLK_S0D2),
356 DEF_MOD("etheravb", 812, R8A7795_CLK_S0D6),
357 DEF_MOD("sata0", 815, R8A7795_CLK_S3D2),
358 DEF_MOD("imr3", 820, R8A7795_CLK_S0D2),
359 DEF_MOD("imr2", 821, R8A7795_CLK_S0D2),
360 DEF_MOD("imr1", 822, R8A7795_CLK_S0D2),
361 DEF_MOD("imr0", 823, R8A7795_CLK_S0D2),
362 DEF_MOD("gpio7", 905, R8A7795_CLK_S3D4),
363 DEF_MOD("gpio6", 906, R8A7795_CLK_S3D4),
364 DEF_MOD("gpio5", 907, R8A7795_CLK_S3D4),
365 DEF_MOD("gpio4", 908, R8A7795_CLK_S3D4),
366 DEF_MOD("gpio3", 909, R8A7795_CLK_S3D4),
367 DEF_MOD("gpio2", 910, R8A7795_CLK_S3D4),
368 DEF_MOD("gpio1", 911, R8A7795_CLK_S3D4),
369 DEF_MOD("gpio0", 912, R8A7795_CLK_S3D4),
370 DEF_MOD("can-fd", 914, R8A7795_CLK_S3D2),
371 DEF_MOD("can-if1", 915, R8A7795_CLK_S3D4),
372 DEF_MOD("can-if0", 916, R8A7795_CLK_S3D4),
849ab0a6 373 DEF_MOD("rpc", 917, R8A7795_CLK_RPC),
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374 DEF_MOD("i2c6", 918, R8A7795_CLK_S0D6),
375 DEF_MOD("i2c5", 919, R8A7795_CLK_S0D6),
376 DEF_MOD("i2c-dvfs", 926, R8A7795_CLK_CP),
377 DEF_MOD("i2c4", 927, R8A7795_CLK_S0D6),
378 DEF_MOD("i2c3", 928, R8A7795_CLK_S0D6),
379 DEF_MOD("i2c2", 929, R8A7795_CLK_S3D2),
380 DEF_MOD("i2c1", 930, R8A7795_CLK_S3D2),
381 DEF_MOD("i2c0", 931, R8A7795_CLK_S3D2),
382 DEF_MOD("ssi-all", 1005, R8A7795_CLK_S3D4),
383 DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)),
384 DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)),
385 DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)),
386 DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)),
387 DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)),
388 DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)),
389 DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)),
390 DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)),
391 DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)),
392 DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)),
393 DEF_MOD("scu-all", 1017, R8A7795_CLK_S3D4),
394 DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)),
395 DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)),
396 DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)),
397 DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)),
398 DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)),
399 DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)),
400 DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)),
401 DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)),
402 DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)),
403 DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)),
404 DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)),
405 DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)),
406 DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)),
407 DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)),
408};
409
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410static const struct cpg_core_clk r8a7796_core_clks[] = {
411 /* External Clock Inputs */
412 DEF_INPUT("extal", CLK_EXTAL),
413 DEF_INPUT("extalr", CLK_EXTALR),
414
415 /* Internal Core Clocks */
416 DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL),
417 DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN),
418 DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN),
419 DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN),
420 DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN),
421 DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN),
422
423 DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1),
424 DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1),
425 DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1),
426 DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1),
427 DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1),
428 DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1),
429 DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1),
849ab0a6 430 DEF_FIXED(".rpcsrc", CLK_RPCSRC, CLK_PLL1, 2, 1),
fd8692b8
MV
431
432 /* Core Clock Outputs */
433 DEF_FIXED("ztr", R8A7796_CLK_ZTR, CLK_PLL1_DIV2, 6, 1),
434 DEF_FIXED("ztrd2", R8A7796_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1),
435 DEF_FIXED("zt", R8A7796_CLK_ZT, CLK_PLL1_DIV2, 4, 1),
436 DEF_FIXED("zx", R8A7796_CLK_ZX, CLK_PLL1_DIV2, 2, 1),
437 DEF_FIXED("s0d1", R8A7796_CLK_S0D1, CLK_S0, 1, 1),
438 DEF_FIXED("s0d2", R8A7796_CLK_S0D2, CLK_S0, 2, 1),
439 DEF_FIXED("s0d3", R8A7796_CLK_S0D3, CLK_S0, 3, 1),
440 DEF_FIXED("s0d4", R8A7796_CLK_S0D4, CLK_S0, 4, 1),
441 DEF_FIXED("s0d6", R8A7796_CLK_S0D6, CLK_S0, 6, 1),
442 DEF_FIXED("s0d8", R8A7796_CLK_S0D8, CLK_S0, 8, 1),
443 DEF_FIXED("s0d12", R8A7796_CLK_S0D12, CLK_S0, 12, 1),
444 DEF_FIXED("s1d1", R8A7796_CLK_S1D1, CLK_S1, 1, 1),
445 DEF_FIXED("s1d2", R8A7796_CLK_S1D2, CLK_S1, 2, 1),
446 DEF_FIXED("s1d4", R8A7796_CLK_S1D4, CLK_S1, 4, 1),
447 DEF_FIXED("s2d1", R8A7796_CLK_S2D1, CLK_S2, 1, 1),
448 DEF_FIXED("s2d2", R8A7796_CLK_S2D2, CLK_S2, 2, 1),
449 DEF_FIXED("s2d4", R8A7796_CLK_S2D4, CLK_S2, 4, 1),
450 DEF_FIXED("s3d1", R8A7796_CLK_S3D1, CLK_S3, 1, 1),
451 DEF_FIXED("s3d2", R8A7796_CLK_S3D2, CLK_S3, 2, 1),
452 DEF_FIXED("s3d4", R8A7796_CLK_S3D4, CLK_S3, 4, 1),
453
454 DEF_GEN3_SD("sd0", R8A7796_CLK_SD0, CLK_SDSRC, 0x074),
455 DEF_GEN3_SD("sd1", R8A7796_CLK_SD1, CLK_SDSRC, 0x078),
456 DEF_GEN3_SD("sd2", R8A7796_CLK_SD2, CLK_SDSRC, 0x268),
457 DEF_GEN3_SD("sd3", R8A7796_CLK_SD3, CLK_SDSRC, 0x26c),
458
849ab0a6
MV
459 DEF_GEN3_RPC("rpc", R8A7796_CLK_RPC, CLK_RPCSRC, 0x238),
460
fd8692b8
MV
461 DEF_FIXED("cl", R8A7796_CLK_CL, CLK_PLL1_DIV2, 48, 1),
462 DEF_FIXED("cp", R8A7796_CLK_CP, CLK_EXTAL, 2, 1),
463
464 /* NOTE: HDMI, CSI, CAN etc. clock are missing */
465
466 DEF_BASE("r", R8A7796_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT),
467};
468
36c2ee4c
MV
469static const struct mssr_mod_clk r8a7796_mod_clks[] = {
470 DEF_MOD("scif5", 202, R8A7796_CLK_S3D4),
471 DEF_MOD("scif4", 203, R8A7796_CLK_S3D4),
472 DEF_MOD("scif3", 204, R8A7796_CLK_S3D4),
473 DEF_MOD("scif1", 206, R8A7796_CLK_S3D4),
474 DEF_MOD("scif0", 207, R8A7796_CLK_S3D4),
475 DEF_MOD("msiof3", 208, R8A7796_CLK_MSO),
476 DEF_MOD("msiof2", 209, R8A7796_CLK_MSO),
477 DEF_MOD("msiof1", 210, R8A7796_CLK_MSO),
478 DEF_MOD("msiof0", 211, R8A7796_CLK_MSO),
479 DEF_MOD("sys-dmac2", 217, R8A7796_CLK_S0D3),
480 DEF_MOD("sys-dmac1", 218, R8A7796_CLK_S0D3),
481 DEF_MOD("sys-dmac0", 219, R8A7796_CLK_S0D3),
482 DEF_MOD("cmt3", 300, R8A7796_CLK_R),
483 DEF_MOD("cmt2", 301, R8A7796_CLK_R),
484 DEF_MOD("cmt1", 302, R8A7796_CLK_R),
485 DEF_MOD("cmt0", 303, R8A7796_CLK_R),
486 DEF_MOD("scif2", 310, R8A7796_CLK_S3D4),
487 DEF_MOD("sdif3", 311, R8A7796_CLK_SD3),
488 DEF_MOD("sdif2", 312, R8A7796_CLK_SD2),
489 DEF_MOD("sdif1", 313, R8A7796_CLK_SD1),
490 DEF_MOD("sdif0", 314, R8A7796_CLK_SD0),
491 DEF_MOD("pcie1", 318, R8A7796_CLK_S3D1),
492 DEF_MOD("pcie0", 319, R8A7796_CLK_S3D1),
033b6119 493 DEF_MOD("usb3-if0", 328, R8A7796_CLK_S3D1),
36c2ee4c
MV
494 DEF_MOD("usb-dmac0", 330, R8A7796_CLK_S3D1),
495 DEF_MOD("usb-dmac1", 331, R8A7796_CLK_S3D1),
496 DEF_MOD("rwdt", 402, R8A7796_CLK_R),
497 DEF_MOD("intc-ex", 407, R8A7796_CLK_CP),
498 DEF_MOD("intc-ap", 408, R8A7796_CLK_S3D1),
499 DEF_MOD("audmac1", 501, R8A7796_CLK_S0D3),
500 DEF_MOD("audmac0", 502, R8A7796_CLK_S0D3),
501 DEF_MOD("drif7", 508, R8A7796_CLK_S3D2),
502 DEF_MOD("drif6", 509, R8A7796_CLK_S3D2),
503 DEF_MOD("drif5", 510, R8A7796_CLK_S3D2),
504 DEF_MOD("drif4", 511, R8A7796_CLK_S3D2),
505 DEF_MOD("drif3", 512, R8A7796_CLK_S3D2),
506 DEF_MOD("drif2", 513, R8A7796_CLK_S3D2),
507 DEF_MOD("drif1", 514, R8A7796_CLK_S3D2),
508 DEF_MOD("drif0", 515, R8A7796_CLK_S3D2),
509 DEF_MOD("hscif4", 516, R8A7796_CLK_S3D1),
510 DEF_MOD("hscif3", 517, R8A7796_CLK_S3D1),
511 DEF_MOD("hscif2", 518, R8A7796_CLK_S3D1),
512 DEF_MOD("hscif1", 519, R8A7796_CLK_S3D1),
513 DEF_MOD("hscif0", 520, R8A7796_CLK_S3D1),
514 DEF_MOD("thermal", 522, R8A7796_CLK_CP),
515 DEF_MOD("pwm", 523, R8A7796_CLK_S0D12),
516 DEF_MOD("fcpvd2", 601, R8A7796_CLK_S0D2),
517 DEF_MOD("fcpvd1", 602, R8A7796_CLK_S0D2),
518 DEF_MOD("fcpvd0", 603, R8A7796_CLK_S0D2),
519 DEF_MOD("fcpvb0", 607, R8A7796_CLK_S0D1),
520 DEF_MOD("fcpvi0", 611, R8A7796_CLK_S0D1),
521 DEF_MOD("fcpf0", 615, R8A7796_CLK_S0D1),
522 DEF_MOD("fcpci0", 617, R8A7796_CLK_S0D2),
523 DEF_MOD("fcpcs", 619, R8A7796_CLK_S0D2),
524 DEF_MOD("vspd2", 621, R8A7796_CLK_S0D2),
525 DEF_MOD("vspd1", 622, R8A7796_CLK_S0D2),
526 DEF_MOD("vspd0", 623, R8A7796_CLK_S0D2),
527 DEF_MOD("vspb", 626, R8A7796_CLK_S0D1),
528 DEF_MOD("vspi0", 631, R8A7796_CLK_S0D1),
529 DEF_MOD("ehci1", 702, R8A7796_CLK_S3D4),
530 DEF_MOD("ehci0", 703, R8A7796_CLK_S3D4),
531 DEF_MOD("hsusb", 704, R8A7796_CLK_S3D4),
532 DEF_MOD("csi20", 714, R8A7796_CLK_CSI0),
533 DEF_MOD("csi40", 716, R8A7796_CLK_CSI0),
534 DEF_MOD("du2", 722, R8A7796_CLK_S2D1),
535 DEF_MOD("du1", 723, R8A7796_CLK_S2D1),
536 DEF_MOD("du0", 724, R8A7796_CLK_S2D1),
537 DEF_MOD("lvds", 727, R8A7796_CLK_S2D1),
538 DEF_MOD("hdmi0", 729, R8A7796_CLK_HDMI),
539 DEF_MOD("vin7", 804, R8A7796_CLK_S0D2),
540 DEF_MOD("vin6", 805, R8A7796_CLK_S0D2),
541 DEF_MOD("vin5", 806, R8A7796_CLK_S0D2),
542 DEF_MOD("vin4", 807, R8A7796_CLK_S0D2),
543 DEF_MOD("vin3", 808, R8A7796_CLK_S0D2),
544 DEF_MOD("vin2", 809, R8A7796_CLK_S0D2),
545 DEF_MOD("vin1", 810, R8A7796_CLK_S0D2),
546 DEF_MOD("vin0", 811, R8A7796_CLK_S0D2),
547 DEF_MOD("etheravb", 812, R8A7796_CLK_S0D6),
548 DEF_MOD("imr1", 822, R8A7796_CLK_S0D2),
549 DEF_MOD("imr0", 823, R8A7796_CLK_S0D2),
550 DEF_MOD("gpio7", 905, R8A7796_CLK_S3D4),
551 DEF_MOD("gpio6", 906, R8A7796_CLK_S3D4),
552 DEF_MOD("gpio5", 907, R8A7796_CLK_S3D4),
553 DEF_MOD("gpio4", 908, R8A7796_CLK_S3D4),
554 DEF_MOD("gpio3", 909, R8A7796_CLK_S3D4),
555 DEF_MOD("gpio2", 910, R8A7796_CLK_S3D4),
556 DEF_MOD("gpio1", 911, R8A7796_CLK_S3D4),
557 DEF_MOD("gpio0", 912, R8A7796_CLK_S3D4),
558 DEF_MOD("can-fd", 914, R8A7796_CLK_S3D2),
559 DEF_MOD("can-if1", 915, R8A7796_CLK_S3D4),
560 DEF_MOD("can-if0", 916, R8A7796_CLK_S3D4),
894ee057 561 DEF_MOD("rpc", 917, R8A7796_CLK_RPC),
36c2ee4c
MV
562 DEF_MOD("i2c6", 918, R8A7796_CLK_S0D6),
563 DEF_MOD("i2c5", 919, R8A7796_CLK_S0D6),
564 DEF_MOD("i2c-dvfs", 926, R8A7796_CLK_CP),
565 DEF_MOD("i2c4", 927, R8A7796_CLK_S0D6),
566 DEF_MOD("i2c3", 928, R8A7796_CLK_S0D6),
567 DEF_MOD("i2c2", 929, R8A7796_CLK_S3D2),
568 DEF_MOD("i2c1", 930, R8A7796_CLK_S3D2),
569 DEF_MOD("i2c0", 931, R8A7796_CLK_S3D2),
570 DEF_MOD("ssi-all", 1005, R8A7796_CLK_S3D4),
571 DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)),
572 DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)),
573 DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)),
574 DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)),
575 DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)),
576 DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)),
577 DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)),
578 DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)),
579 DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)),
580 DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)),
581 DEF_MOD("scu-all", 1017, R8A7796_CLK_S3D4),
582 DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)),
583 DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)),
584 DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)),
585 DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)),
586 DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)),
587 DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)),
588 DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)),
589 DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)),
590 DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)),
591 DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)),
592 DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)),
593 DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)),
594 DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)),
595 DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)),
596};
597
598/*
599 * CPG Clock Data
600 */
601
602/*
603 * MD EXTAL PLL0 PLL1 PLL2 PLL3 PLL4
604 * 14 13 19 17 (MHz)
605 *-------------------------------------------------------------------
606 * 0 0 0 0 16.66 x 1 x180 x192 x144 x192 x144
607 * 0 0 0 1 16.66 x 1 x180 x192 x144 x128 x144
608 * 0 0 1 0 Prohibited setting
609 * 0 0 1 1 16.66 x 1 x180 x192 x144 x192 x144
610 * 0 1 0 0 20 x 1 x150 x160 x120 x160 x120
611 * 0 1 0 1 20 x 1 x150 x160 x120 x106 x120
612 * 0 1 1 0 Prohibited setting
613 * 0 1 1 1 20 x 1 x150 x160 x120 x160 x120
614 * 1 0 0 0 25 x 1 x120 x128 x96 x128 x96
615 * 1 0 0 1 25 x 1 x120 x128 x96 x84 x96
616 * 1 0 1 0 Prohibited setting
617 * 1 0 1 1 25 x 1 x120 x128 x96 x128 x96
618 * 1 1 0 0 33.33 / 2 x180 x192 x144 x192 x144
619 * 1 1 0 1 33.33 / 2 x180 x192 x144 x128 x144
620 * 1 1 1 0 Prohibited setting
621 * 1 1 1 1 33.33 / 2 x180 x192 x144 x192 x144
622 */
623#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \
624 (((md) & BIT(13)) >> 11) | \
625 (((md) & BIT(19)) >> 18) | \
626 (((md) & BIT(17)) >> 17))
627
628static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] = {
629 /* EXTAL div PLL1 mult PLL3 mult */
630 { 1, 192, 192, },
631 { 1, 192, 128, },
632 { 0, /* Prohibited setting */ },
633 { 1, 192, 192, },
634 { 1, 160, 160, },
635 { 1, 160, 106, },
636 { 0, /* Prohibited setting */ },
637 { 1, 160, 160, },
638 { 1, 128, 128, },
639 { 1, 128, 84, },
640 { 0, /* Prohibited setting */ },
641 { 1, 128, 128, },
642 { 2, 192, 192, },
643 { 2, 192, 128, },
644 { 0, /* Prohibited setting */ },
645 { 2, 192, 192, },
646};
647
648/*
649 * SDn Clock
650 */
651#define CPG_SD_STP_HCK BIT(9)
652#define CPG_SD_STP_CK BIT(8)
653
654#define CPG_SD_STP_MASK (CPG_SD_STP_HCK | CPG_SD_STP_CK)
655#define CPG_SD_FC_MASK (0x7 << 2 | 0x3 << 0)
656
657#define CPG_SD_DIV_TABLE_DATA(stp_hck, stp_ck, sd_srcfc, sd_fc, sd_div) \
658{ \
659 .val = ((stp_hck) ? CPG_SD_STP_HCK : 0) | \
660 ((stp_ck) ? CPG_SD_STP_CK : 0) | \
661 ((sd_srcfc) << 2) | \
662 ((sd_fc) << 0), \
663 .div = (sd_div), \
664}
665
666struct sd_div_table {
667 u32 val;
668 unsigned int div;
669};
670
671/* SDn divider
672 * sd_srcfc sd_fc div
673 * stp_hck stp_ck (div) (div) = sd_srcfc x sd_fc
674 *-------------------------------------------------------------------
675 * 0 0 0 (1) 1 (4) 4
676 * 0 0 1 (2) 1 (4) 8
677 * 1 0 2 (4) 1 (4) 16
678 * 1 0 3 (8) 1 (4) 32
679 * 1 0 4 (16) 1 (4) 64
680 * 0 0 0 (1) 0 (2) 2
681 * 0 0 1 (2) 0 (2) 4
682 * 1 0 2 (4) 0 (2) 8
683 * 1 0 3 (8) 0 (2) 16
684 * 1 0 4 (16) 0 (2) 32
685 */
686static const struct sd_div_table cpg_sd_div_table[] = {
687/* CPG_SD_DIV_TABLE_DATA(stp_hck, stp_ck, sd_srcfc, sd_fc, sd_div) */
688 CPG_SD_DIV_TABLE_DATA(0, 0, 0, 1, 4),
689 CPG_SD_DIV_TABLE_DATA(0, 0, 1, 1, 8),
690 CPG_SD_DIV_TABLE_DATA(1, 0, 2, 1, 16),
691 CPG_SD_DIV_TABLE_DATA(1, 0, 3, 1, 32),
692 CPG_SD_DIV_TABLE_DATA(1, 0, 4, 1, 64),
693 CPG_SD_DIV_TABLE_DATA(0, 0, 0, 0, 2),
694 CPG_SD_DIV_TABLE_DATA(0, 0, 1, 0, 4),
695 CPG_SD_DIV_TABLE_DATA(1, 0, 2, 0, 8),
696 CPG_SD_DIV_TABLE_DATA(1, 0, 3, 0, 16),
697 CPG_SD_DIV_TABLE_DATA(1, 0, 4, 0, 32),
698};
699
700static bool gen3_clk_is_mod(struct clk *clk)
701{
702 return (clk->id >> 16) == CPG_MOD;
703}
704
705static int gen3_clk_get_mod(struct clk *clk, const struct mssr_mod_clk **mssr)
706{
707 struct gen3_clk_priv *priv = dev_get_priv(clk->dev);
708 const unsigned long clkid = clk->id & 0xffff;
709 int i;
710
711 if (!gen3_clk_is_mod(clk))
712 return -EINVAL;
713
714 for (i = 0; i < priv->mod_clk_size; i++) {
715 if (priv->mod_clk[i].id != MOD_CLK_ID(clkid))
716 continue;
717
718 *mssr = &priv->mod_clk[i];
719 return 0;
720 }
721
722 return -ENODEV;
723}
724
725static int gen3_clk_get_core(struct clk *clk, const struct cpg_core_clk **core)
726{
fd8692b8 727 struct gen3_clk_priv *priv = dev_get_priv(clk->dev);
36c2ee4c
MV
728 const unsigned long clkid = clk->id & 0xffff;
729 int i;
730
731 if (gen3_clk_is_mod(clk))
732 return -EINVAL;
733
fd8692b8
MV
734 for (i = 0; i < priv->core_clk_size; i++) {
735 if (priv->core_clk[i].id != clkid)
36c2ee4c
MV
736 continue;
737
fd8692b8 738 *core = &priv->core_clk[i];
36c2ee4c
MV
739 return 0;
740 }
741
742 return -ENODEV;
743}
744
745static int gen3_clk_get_parent(struct clk *clk, struct clk *parent)
746{
747 const struct cpg_core_clk *core;
748 const struct mssr_mod_clk *mssr;
749 int ret;
750
751 if (gen3_clk_is_mod(clk)) {
752 ret = gen3_clk_get_mod(clk, &mssr);
753 if (ret)
754 return ret;
755
756 parent->id = mssr->parent;
757 } else {
758 ret = gen3_clk_get_core(clk, &core);
759 if (ret)
760 return ret;
761
762 if (core->type == CLK_TYPE_IN)
763 parent->id = ~0; /* Top-level clock */
764 else
765 parent->id = core->parent;
766 }
767
768 parent->dev = clk->dev;
769
770 return 0;
771}
772
4b20eef3
MV
773static int gen3_clk_setup_sdif_div(struct clk *clk)
774{
775 struct gen3_clk_priv *priv = dev_get_priv(clk->dev);
776 const struct cpg_core_clk *core;
777 struct clk parent;
778 int ret;
779
780 ret = gen3_clk_get_parent(clk, &parent);
781 if (ret) {
782 printf("%s[%i] parent fail, ret=%i\n", __func__, __LINE__, ret);
783 return ret;
784 }
785
786 if (gen3_clk_is_mod(&parent))
787 return 0;
788
789 ret = gen3_clk_get_core(&parent, &core);
790 if (ret)
791 return ret;
792
793 if (core->type != CLK_TYPE_GEN3_SD)
794 return 0;
795
796 debug("%s[%i] SDIF offset=%x\n", __func__, __LINE__, core->offset);
797
798 writel(1, priv->base + core->offset);
799
800 return 0;
801}
802
36c2ee4c
MV
803static int gen3_clk_endisable(struct clk *clk, bool enable)
804{
805 struct gen3_clk_priv *priv = dev_get_priv(clk->dev);
806 const unsigned long clkid = clk->id & 0xffff;
807 const unsigned int reg = clkid / 100;
808 const unsigned int bit = clkid % 100;
809 const u32 bitmask = BIT(bit);
4b20eef3 810 int ret;
36c2ee4c
MV
811
812 if (!gen3_clk_is_mod(clk))
813 return -EINVAL;
814
815 debug("%s[%i] MSTP %lu=%02u/%02u %s\n", __func__, __LINE__,
816 clkid, reg, bit, enable ? "ON" : "OFF");
817
818 if (enable) {
4b20eef3
MV
819 ret = gen3_clk_setup_sdif_div(clk);
820 if (ret)
821 return ret;
36c2ee4c
MV
822 clrbits_le32(priv->base + SMSTPCR(reg), bitmask);
823 return wait_for_bit("MSTP", priv->base + MSTPSR(reg),
824 bitmask, 0, 100, 0);
825 } else {
826 setbits_le32(priv->base + SMSTPCR(reg), bitmask);
827 return 0;
828 }
829}
830
831static int gen3_clk_enable(struct clk *clk)
832{
833 return gen3_clk_endisable(clk, true);
834}
835
836static int gen3_clk_disable(struct clk *clk)
837{
838 return gen3_clk_endisable(clk, false);
839}
840
841static ulong gen3_clk_get_rate(struct clk *clk)
842{
843 struct gen3_clk_priv *priv = dev_get_priv(clk->dev);
844 struct clk parent;
845 const struct cpg_core_clk *core;
846 const struct rcar_gen3_cpg_pll_config *pll_config =
847 priv->cpg_pll_config;
849ab0a6 848 u32 value, mult, prediv, postdiv, rate = 0;
36c2ee4c
MV
849 int i, ret;
850
851 debug("%s[%i] Clock: id=%lu\n", __func__, __LINE__, clk->id);
852
853 ret = gen3_clk_get_parent(clk, &parent);
854 if (ret) {
855 printf("%s[%i] parent fail, ret=%i\n", __func__, __LINE__, ret);
856 return ret;
857 }
858
859 if (gen3_clk_is_mod(clk)) {
860 rate = gen3_clk_get_rate(&parent);
861 debug("%s[%i] MOD clk: parent=%lu => rate=%u\n",
862 __func__, __LINE__, parent.id, rate);
863 return rate;
864 }
865
866 ret = gen3_clk_get_core(clk, &core);
867 if (ret)
868 return ret;
869
870 switch (core->type) {
871 case CLK_TYPE_IN:
872 if (core->id == CLK_EXTAL) {
873 rate = clk_get_rate(&priv->clk_extal);
874 debug("%s[%i] EXTAL clk: rate=%u\n",
875 __func__, __LINE__, rate);
876 return rate;
877 }
878
879 if (core->id == CLK_EXTALR) {
880 rate = clk_get_rate(&priv->clk_extalr);
881 debug("%s[%i] EXTALR clk: rate=%u\n",
882 __func__, __LINE__, rate);
883 return rate;
884 }
885
886 return -EINVAL;
887
888 case CLK_TYPE_GEN3_MAIN:
889 rate = gen3_clk_get_rate(&parent) / pll_config->extal_div;
890 debug("%s[%i] MAIN clk: parent=%i extal_div=%i => rate=%u\n",
891 __func__, __LINE__,
892 core->parent, pll_config->extal_div, rate);
893 return rate;
894
895 case CLK_TYPE_GEN3_PLL0:
896 value = readl(priv->base + CPG_PLL0CR);
897 mult = (((value >> 24) & 0x7f) + 1) * 2;
898 rate = gen3_clk_get_rate(&parent) * mult;
899 debug("%s[%i] PLL0 clk: parent=%i mult=%u => rate=%u\n",
900 __func__, __LINE__, core->parent, mult, rate);
901 return rate;
902
903 case CLK_TYPE_GEN3_PLL1:
904 rate = gen3_clk_get_rate(&parent) * pll_config->pll1_mult;
905 debug("%s[%i] PLL1 clk: parent=%i mul=%i => rate=%u\n",
906 __func__, __LINE__,
907 core->parent, pll_config->pll1_mult, rate);
908 return rate;
909
910 case CLK_TYPE_GEN3_PLL2:
911 value = readl(priv->base + CPG_PLL2CR);
912 mult = (((value >> 24) & 0x7f) + 1) * 2;
913 rate = gen3_clk_get_rate(&parent) * mult;
914 debug("%s[%i] PLL2 clk: parent=%i mult=%u => rate=%u\n",
915 __func__, __LINE__, core->parent, mult, rate);
916 return rate;
917
918 case CLK_TYPE_GEN3_PLL3:
919 rate = gen3_clk_get_rate(&parent) * pll_config->pll3_mult;
920 debug("%s[%i] PLL3 clk: parent=%i mul=%i => rate=%u\n",
921 __func__, __LINE__,
922 core->parent, pll_config->pll3_mult, rate);
923 return rate;
924
925 case CLK_TYPE_GEN3_PLL4:
926 value = readl(priv->base + CPG_PLL4CR);
927 mult = (((value >> 24) & 0x7f) + 1) * 2;
928 rate = gen3_clk_get_rate(&parent) * mult;
929 debug("%s[%i] PLL4 clk: parent=%i mult=%u => rate=%u\n",
930 __func__, __LINE__, core->parent, mult, rate);
931 return rate;
932
933 case CLK_TYPE_FF:
934 rate = (gen3_clk_get_rate(&parent) * core->mult) / core->div;
935 debug("%s[%i] FIXED clk: parent=%i div=%i mul=%i => rate=%u\n",
936 __func__, __LINE__,
937 core->parent, core->mult, core->div, rate);
938 return rate;
939
940 case CLK_TYPE_GEN3_SD: /* FIXME */
941 value = readl(priv->base + core->offset);
942 value &= CPG_SD_STP_MASK | CPG_SD_FC_MASK;
943
944 for (i = 0; i < ARRAY_SIZE(cpg_sd_div_table); i++) {
945 if (cpg_sd_div_table[i].val != value)
946 continue;
947
948 rate = gen3_clk_get_rate(&parent) /
949 cpg_sd_div_table[i].div;
950 debug("%s[%i] SD clk: parent=%i div=%i => rate=%u\n",
951 __func__, __LINE__,
952 core->parent, cpg_sd_div_table[i].div, rate);
953
954 return rate;
955 }
956
957 return -EINVAL;
849ab0a6
MV
958
959 case CLK_TYPE_GEN3_RPC:
960 rate = gen3_clk_get_rate(&parent);
961
962 value = readl(priv->base + core->offset);
963
964 prediv = (value >> CPG_RPC_PREDIV_OFFSET) &
965 CPG_RPC_PREDIV_MASK;
966 if (prediv == 2)
967 rate /= 5;
968 else if (prediv == 3)
969 rate /= 6;
970 else
971 return -EINVAL;
972
973 postdiv = (value >> CPG_RPC_POSTDIV_OFFSET) &
974 CPG_RPC_POSTDIV_MASK;
975 rate /= postdiv + 1;
976
977 debug("%s[%i] RPC clk: parent=%i prediv=%i postdiv=%i => rate=%u\n",
978 __func__, __LINE__,
979 core->parent, prediv, postdiv, rate);
980
981 return -EINVAL;
982
36c2ee4c
MV
983 }
984
985 printf("%s[%i] unknown fail\n", __func__, __LINE__);
986
987 return -ENOENT;
988}
989
990static ulong gen3_clk_set_rate(struct clk *clk, ulong rate)
991{
992 return gen3_clk_get_rate(clk);
993}
994
995static int gen3_clk_of_xlate(struct clk *clk, struct ofnode_phandle_args *args)
996{
997 if (args->args_count != 2) {
998 debug("Invaild args_count: %d\n", args->args_count);
999 return -EINVAL;
1000 }
1001
1002 clk->id = (args->args[0] << 16) | args->args[1];
1003
1004 return 0;
1005}
1006
1007static const struct clk_ops gen3_clk_ops = {
1008 .enable = gen3_clk_enable,
1009 .disable = gen3_clk_disable,
1010 .get_rate = gen3_clk_get_rate,
1011 .set_rate = gen3_clk_set_rate,
1012 .of_xlate = gen3_clk_of_xlate,
1013};
1014
1015enum gen3_clk_model {
1016 CLK_R8A7795,
1017 CLK_R8A7796,
1018};
1019
1020static int gen3_clk_probe(struct udevice *dev)
1021{
1022 struct gen3_clk_priv *priv = dev_get_priv(dev);
1023 enum gen3_clk_model model = dev_get_driver_data(dev);
1024 fdt_addr_t rst_base;
1025 u32 cpg_mode;
1026 int ret;
1027
1028 priv->base = (struct gen3_base *)devfdt_get_addr(dev);
1029 if (!priv->base)
1030 return -EINVAL;
1031
1032 switch (model) {
1033 case CLK_R8A7795:
fd8692b8
MV
1034 priv->core_clk = r8a7795_core_clks;
1035 priv->core_clk_size = ARRAY_SIZE(r8a7795_core_clks);
36c2ee4c
MV
1036 priv->mod_clk = r8a7795_mod_clks;
1037 priv->mod_clk_size = ARRAY_SIZE(r8a7795_mod_clks);
1038 ret = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
1039 "renesas,r8a7795-rst");
1040 if (ret < 0)
1041 return ret;
1042 break;
1043 case CLK_R8A7796:
fd8692b8
MV
1044 priv->core_clk = r8a7796_core_clks;
1045 priv->core_clk_size = ARRAY_SIZE(r8a7796_core_clks);
36c2ee4c
MV
1046 priv->mod_clk = r8a7796_mod_clks;
1047 priv->mod_clk_size = ARRAY_SIZE(r8a7796_mod_clks);
1048 ret = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
1049 "renesas,r8a7796-rst");
1050 if (ret < 0)
1051 return ret;
1052 break;
1053 default:
1054 return -EINVAL;
1055 }
1056
1057 rst_base = fdtdec_get_addr(gd->fdt_blob, ret, "reg");
1058 if (rst_base == FDT_ADDR_T_NONE)
1059 return -EINVAL;
1060
1061 cpg_mode = readl(rst_base + CPG_RST_MODEMR);
1062
1063 priv->cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
1064 if (!priv->cpg_pll_config->extal_div)
1065 return -EINVAL;
1066
1067 ret = clk_get_by_name(dev, "extal", &priv->clk_extal);
1068 if (ret < 0)
1069 return ret;
1070
1071 ret = clk_get_by_name(dev, "extalr", &priv->clk_extalr);
1072 if (ret < 0)
1073 return ret;
1074
1075 return 0;
1076}
1077
18cac5af
MV
1078struct mstp_stop_table {
1079 u32 dis;
1080 u32 en;
1081};
1082
1083static struct mstp_stop_table r8a7795_mstp_table[] = {
1084 { 0x00640800, 0x0 }, { 0xF3EE9390, 0x0 },
1085 { 0x340FAFDC, 0x2040 }, { 0xD80C7CDF, 0x400 },
1086 { 0x80000184, 0x180 }, { 0x40BFFF46, 0x0 },
1087 { 0xE5FBEECF, 0x0 }, { 0x39FFFF0E, 0x0 },
1088 { 0x01F19FF4, 0x0 }, { 0xFFDFFFFF, 0x0 },
1089 { 0xFFFEFFE0, 0x0 }, { 0x00000000, 0x0 },
1090};
1091
1092static struct mstp_stop_table r8a7796_mstp_table[] = {
1093 { 0x00200000, 0x0 }, { 0xFFFFFFFF, 0x0 },
1094 { 0x340E2FDC, 0x2040 }, { 0xFFFFFFDF, 0x400 },
1095 { 0x80000184, 0x180 }, { 0xC3FFFFFF, 0x0 },
1096 { 0xFFFFFFFF, 0x0 }, { 0xFFFFFFFF, 0x0 },
1097 { 0x01F1FFF7, 0x0 }, { 0xFFFFFFFE, 0x0 },
1098 { 0xFFFEFFE0, 0x0 }, { 0x000000B7, 0x0 },
1099};
1100
1101#define TSTR0 0x04
1102#define TSTR0_STR0 BIT(0)
1103
1104static int gen3_clk_remove(struct udevice *dev)
1105{
1106 struct gen3_clk_priv *priv = dev_get_priv(dev);
1107 enum gen3_clk_model model = dev_get_driver_data(dev);
1108 struct mstp_stop_table *tbl;
1109 unsigned int i, tbl_size;
1110
1111 switch (model) {
1112 case CLK_R8A7795:
1113 tbl = r8a7795_mstp_table;
1114 tbl_size = ARRAY_SIZE(r8a7795_mstp_table);
1115 break;
1116 case CLK_R8A7796:
1117 tbl = r8a7796_mstp_table;
1118 tbl_size = ARRAY_SIZE(r8a7796_mstp_table);
1119 break;
1120 default:
1121 return -EINVAL;
1122 }
1123
1124 /* Stop TMU0 */
1125 clrbits_le32(TMU_BASE + TSTR0, TSTR0_STR0);
1126
1127 /* Stop module clock */
1128 for (i = 0; i < tbl_size; i++) {
1129 clrsetbits_le32(priv->base + SMSTPCR(i), tbl[i].dis, tbl[i].en);
1130 clrsetbits_le32(priv->base + RMSTPCR(i), tbl[i].dis, 0x0);
1131 }
1132
1133 return 0;
1134}
1135
36c2ee4c
MV
1136static const struct udevice_id gen3_clk_ids[] = {
1137 { .compatible = "renesas,r8a7795-cpg-mssr", .data = CLK_R8A7795 },
1138 { .compatible = "renesas,r8a7796-cpg-mssr", .data = CLK_R8A7796 },
1139 { }
1140};
1141
1142U_BOOT_DRIVER(clk_gen3) = {
1143 .name = "clk_gen3",
1144 .id = UCLASS_CLK,
1145 .of_match = gen3_clk_ids,
1146 .priv_auto_alloc_size = sizeof(struct gen3_clk_priv),
1147 .ops = &gen3_clk_ops,
1148 .probe = gen3_clk_probe,
18cac5af 1149 .remove = gen3_clk_remove,
36c2ee4c 1150};