1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
|
// SPDX-License-Identifier: GPL-2.0
/*
* RZ/G3S CPG driver
*
* Copyright (C) 2023 Renesas Electronics Corp.
*/
#include <linux/clk-provider.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <dt-bindings/clock/r9a08g045-cpg.h>
#include "rzg2l-cpg.h"
/* RZ/G3S Specific registers. */
#define G3S_CPG_PL2_DDIV (0x204)
#define G3S_CPG_SDHI_DDIV (0x218)
#define G3S_CPG_PLL_DSEL (0x240)
#define G3S_CPG_SDHI_DSEL (0x244)
#define G3S_CLKDIVSTATUS (0x280)
#define G3S_CLKSELSTATUS (0x284)
/* RZ/G3S Specific division configuration. */
#define G3S_DIVPL2B DDIV_PACK(G3S_CPG_PL2_DDIV, 4, 3)
#define G3S_DIV_SDHI0 DDIV_PACK(G3S_CPG_SDHI_DDIV, 0, 1)
#define G3S_DIV_SDHI1 DDIV_PACK(G3S_CPG_SDHI_DDIV, 4, 1)
#define G3S_DIV_SDHI2 DDIV_PACK(G3S_CPG_SDHI_DDIV, 8, 1)
/* RZ/G3S Clock status configuration. */
#define G3S_DIVPL1A_STS DDIV_PACK(G3S_CLKDIVSTATUS, 0, 1)
#define G3S_DIVPL2B_STS DDIV_PACK(G3S_CLKDIVSTATUS, 5, 1)
#define G3S_DIVPL3A_STS DDIV_PACK(G3S_CLKDIVSTATUS, 8, 1)
#define G3S_DIVPL3B_STS DDIV_PACK(G3S_CLKDIVSTATUS, 9, 1)
#define G3S_DIVPL3C_STS DDIV_PACK(G3S_CLKDIVSTATUS, 10, 1)
#define G3S_DIV_SDHI0_STS DDIV_PACK(G3S_CLKDIVSTATUS, 24, 1)
#define G3S_DIV_SDHI1_STS DDIV_PACK(G3S_CLKDIVSTATUS, 25, 1)
#define G3S_DIV_SDHI2_STS DDIV_PACK(G3S_CLKDIVSTATUS, 26, 1)
#define G3S_SEL_PLL4_STS SEL_PLL_PACK(G3S_CLKSELSTATUS, 6, 1)
#define G3S_SEL_SDHI0_STS SEL_PLL_PACK(G3S_CLKSELSTATUS, 16, 1)
#define G3S_SEL_SDHI1_STS SEL_PLL_PACK(G3S_CLKSELSTATUS, 17, 1)
#define G3S_SEL_SDHI2_STS SEL_PLL_PACK(G3S_CLKSELSTATUS, 18, 1)
/* RZ/G3S Specific clocks select. */
#define G3S_SEL_PLL4 SEL_PLL_PACK(G3S_CPG_PLL_DSEL, 6, 1)
#define G3S_SEL_SDHI0 SEL_PLL_PACK(G3S_CPG_SDHI_DSEL, 0, 2)
#define G3S_SEL_SDHI1 SEL_PLL_PACK(G3S_CPG_SDHI_DSEL, 4, 2)
#define G3S_SEL_SDHI2 SEL_PLL_PACK(G3S_CPG_SDHI_DSEL, 8, 2)
/* PLL 1/4/6 configuration registers macro. */
#define G3S_PLL146_CONF(clk1, clk2) ((clk1) << 22 | (clk2) << 12)
#define DEF_G3S_MUX(_name, _id, _conf, _parent_names, _mux_flags, _clk_flags) \
DEF_TYPE(_name, _id, CLK_TYPE_MUX, .conf = (_conf), \
.parent_names = (_parent_names), \
.num_parents = ARRAY_SIZE((_parent_names)), \
.mux_flags = CLK_MUX_HIWORD_MASK | (_mux_flags), \
.flag = (_clk_flags))
enum clk_ids {
/* Core Clock Outputs exported to DT */
LAST_DT_CORE_CLK = R9A08G045_SWD,
/* External Input Clocks */
CLK_EXTAL,
/* Internal Core Clocks */
CLK_OSC_DIV1000,
CLK_PLL1,
CLK_PLL2,
CLK_PLL2_DIV2,
CLK_PLL2_DIV2_8,
CLK_PLL2_DIV6,
CLK_PLL3,
CLK_PLL3_DIV2,
CLK_PLL3_DIV2_4,
CLK_PLL3_DIV2_8,
CLK_PLL3_DIV6,
CLK_PLL4,
CLK_PLL6,
CLK_PLL6_DIV2,
CLK_SEL_SDHI0,
CLK_SEL_SDHI1,
CLK_SEL_SDHI2,
CLK_SEL_PLL4,
CLK_P1_DIV2,
CLK_P3_DIV2,
CLK_SD0_DIV4,
CLK_SD1_DIV4,
CLK_SD2_DIV4,
/* Module Clocks */
MOD_CLK_BASE,
};
/* Divider tables */
static const struct clk_div_table dtable_1_2[] = {
{ 0, 1 },
{ 1, 2 },
{ 0, 0 },
};
static const struct clk_div_table dtable_1_8[] = {
{ 0, 1 },
{ 1, 2 },
{ 2, 4 },
{ 3, 8 },
{ 0, 0 },
};
static const struct clk_div_table dtable_1_32[] = {
{ 0, 1 },
{ 1, 2 },
{ 2, 4 },
{ 3, 8 },
{ 4, 32 },
{ 0, 0 },
};
/* Mux clock names tables. */
static const char * const sel_sdhi[] = { ".pll2_div2", ".pll6", ".pll2_div6" };
static const char * const sel_pll4[] = { ".osc_div1000", ".pll4" };
/* Mux clock indices tables. */
static const u32 mtable_sd[] = { 0, 2, 3 };
static const u32 mtable_pll4[] = { 0, 1 };
static const struct cpg_core_clk r9a08g045_core_clks[] __initconst = {
/* External Clock Inputs */
DEF_INPUT("extal", CLK_EXTAL),
/* Internal Core Clocks */
DEF_FIXED(".osc_div1000", CLK_OSC_DIV1000, CLK_EXTAL, 1, 1000),
DEF_G3S_PLL(".pll1", CLK_PLL1, CLK_EXTAL, G3S_PLL146_CONF(0x4, 0x8)),
DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 200, 3),
DEF_FIXED(".pll3", CLK_PLL3, CLK_EXTAL, 200, 3),
DEF_FIXED(".pll4", CLK_PLL4, CLK_EXTAL, 100, 3),
DEF_FIXED(".pll6", CLK_PLL6, CLK_EXTAL, 125, 6),
DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 1, 2),
DEF_FIXED(".pll2_div2_8", CLK_PLL2_DIV2_8, CLK_PLL2_DIV2, 1, 8),
DEF_FIXED(".pll2_div6", CLK_PLL2_DIV6, CLK_PLL2, 1, 6),
DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 1, 2),
DEF_FIXED(".pll3_div2_4", CLK_PLL3_DIV2_4, CLK_PLL3_DIV2, 1, 4),
DEF_FIXED(".pll3_div2_8", CLK_PLL3_DIV2_8, CLK_PLL3_DIV2, 1, 8),
DEF_FIXED(".pll3_div6", CLK_PLL3_DIV6, CLK_PLL3, 1, 6),
DEF_FIXED(".pll6_div2", CLK_PLL6_DIV2, CLK_PLL6, 1, 2),
DEF_SD_MUX(".sel_sd0", CLK_SEL_SDHI0, G3S_SEL_SDHI0, G3S_SEL_SDHI0_STS, sel_sdhi,
mtable_sd, 0, NULL),
DEF_SD_MUX(".sel_sd1", CLK_SEL_SDHI1, G3S_SEL_SDHI1, G3S_SEL_SDHI1_STS, sel_sdhi,
mtable_sd, 0, NULL),
DEF_SD_MUX(".sel_sd2", CLK_SEL_SDHI2, G3S_SEL_SDHI2, G3S_SEL_SDHI2_STS, sel_sdhi,
mtable_sd, 0, NULL),
DEF_SD_MUX(".sel_pll4", CLK_SEL_PLL4, G3S_SEL_PLL4, G3S_SEL_PLL4_STS, sel_pll4,
mtable_pll4, CLK_SET_PARENT_GATE, NULL),
/* Core output clk */
DEF_G3S_DIV("I", R9A08G045_CLK_I, CLK_PLL1, DIVPL1A, G3S_DIVPL1A_STS, dtable_1_8,
0, 0, 0, NULL),
DEF_G3S_DIV("P0", R9A08G045_CLK_P0, CLK_PLL2_DIV2_8, G3S_DIVPL2B, G3S_DIVPL2B_STS,
dtable_1_32, 0, 0, 0, NULL),
DEF_G3S_DIV("SD0", R9A08G045_CLK_SD0, CLK_SEL_SDHI0, G3S_DIV_SDHI0, G3S_DIV_SDHI0_STS,
dtable_1_2, 800000000UL, 500000000UL, CLK_SET_RATE_PARENT,
rzg3s_cpg_div_clk_notifier),
DEF_G3S_DIV("SD1", R9A08G045_CLK_SD1, CLK_SEL_SDHI1, G3S_DIV_SDHI1, G3S_DIV_SDHI1_STS,
dtable_1_2, 800000000UL, 500000000UL, CLK_SET_RATE_PARENT,
rzg3s_cpg_div_clk_notifier),
DEF_G3S_DIV("SD2", R9A08G045_CLK_SD2, CLK_SEL_SDHI2, G3S_DIV_SDHI2, G3S_DIV_SDHI2_STS,
dtable_1_2, 800000000UL, 500000000UL, CLK_SET_RATE_PARENT,
rzg3s_cpg_div_clk_notifier),
DEF_FIXED(".sd0_div4", CLK_SD0_DIV4, R9A08G045_CLK_SD0, 1, 4),
DEF_FIXED(".sd1_div4", CLK_SD1_DIV4, R9A08G045_CLK_SD1, 1, 4),
DEF_FIXED(".sd2_div4", CLK_SD2_DIV4, R9A08G045_CLK_SD2, 1, 4),
DEF_FIXED("M0", R9A08G045_CLK_M0, CLK_PLL3_DIV2_4, 1, 1),
DEF_G3S_DIV("P1", R9A08G045_CLK_P1, CLK_PLL3_DIV2_4, DIVPL3A, G3S_DIVPL3A_STS,
dtable_1_32, 0, 0, 0, NULL),
DEF_FIXED("P1_DIV2", CLK_P1_DIV2, R9A08G045_CLK_P1, 1, 2),
DEF_G3S_DIV("P2", R9A08G045_CLK_P2, CLK_PLL3_DIV2_8, DIVPL3B, G3S_DIVPL3B_STS,
dtable_1_32, 0, 0, 0, NULL),
DEF_G3S_DIV("P3", R9A08G045_CLK_P3, CLK_PLL3_DIV2_4, DIVPL3C, G3S_DIVPL3C_STS,
dtable_1_32, 0, 0, 0, NULL),
DEF_FIXED("P3_DIV2", CLK_P3_DIV2, R9A08G045_CLK_P3, 1, 2),
DEF_FIXED("ZT", R9A08G045_CLK_ZT, CLK_PLL3_DIV2_8, 1, 1),
DEF_FIXED("S0", R9A08G045_CLK_S0, CLK_SEL_PLL4, 1, 2),
DEF_FIXED("OSC", R9A08G045_OSCCLK, CLK_EXTAL, 1, 1),
DEF_FIXED("OSC2", R9A08G045_OSCCLK2, CLK_EXTAL, 1, 3),
DEF_FIXED("HP", R9A08G045_CLK_HP, CLK_PLL6, 1, 2),
};
static const struct rzg2l_mod_clk r9a08g045_mod_clks[] = {
DEF_MOD("gic_gicclk", R9A08G045_GIC600_GICCLK, R9A08G045_CLK_P1, 0x514, 0),
DEF_MOD("ia55_pclk", R9A08G045_IA55_PCLK, R9A08G045_CLK_P2, 0x518, 0),
DEF_MOD("ia55_clk", R9A08G045_IA55_CLK, R9A08G045_CLK_P1, 0x518, 1),
DEF_MOD("dmac_aclk", R9A08G045_DMAC_ACLK, R9A08G045_CLK_P3, 0x52c, 0),
DEF_MOD("wdt0_pclk", R9A08G045_WDT0_PCLK, R9A08G045_CLK_P0, 0x548, 0),
DEF_MOD("wdt0_clk", R9A08G045_WDT0_CLK, R9A08G045_OSCCLK, 0x548, 1),
DEF_MOD("sdhi0_imclk", R9A08G045_SDHI0_IMCLK, CLK_SD0_DIV4, 0x554, 0),
DEF_MOD("sdhi0_imclk2", R9A08G045_SDHI0_IMCLK2, CLK_SD0_DIV4, 0x554, 1),
DEF_MOD("sdhi0_clk_hs", R9A08G045_SDHI0_CLK_HS, R9A08G045_CLK_SD0, 0x554, 2),
DEF_MOD("sdhi0_aclk", R9A08G045_SDHI0_ACLK, R9A08G045_CLK_P1, 0x554, 3),
DEF_MOD("sdhi1_imclk", R9A08G045_SDHI1_IMCLK, CLK_SD1_DIV4, 0x554, 4),
DEF_MOD("sdhi1_imclk2", R9A08G045_SDHI1_IMCLK2, CLK_SD1_DIV4, 0x554, 5),
DEF_MOD("sdhi1_clk_hs", R9A08G045_SDHI1_CLK_HS, R9A08G045_CLK_SD1, 0x554, 6),
DEF_MOD("sdhi1_aclk", R9A08G045_SDHI1_ACLK, R9A08G045_CLK_P1, 0x554, 7),
DEF_MOD("sdhi2_imclk", R9A08G045_SDHI2_IMCLK, CLK_SD2_DIV4, 0x554, 8),
DEF_MOD("sdhi2_imclk2", R9A08G045_SDHI2_IMCLK2, CLK_SD2_DIV4, 0x554, 9),
DEF_MOD("sdhi2_clk_hs", R9A08G045_SDHI2_CLK_HS, R9A08G045_CLK_SD2, 0x554, 10),
DEF_MOD("sdhi2_aclk", R9A08G045_SDHI2_ACLK, R9A08G045_CLK_P1, 0x554, 11),
DEF_COUPLED("eth0_axi", R9A08G045_ETH0_CLK_AXI, R9A08G045_CLK_M0, 0x57c, 0),
DEF_COUPLED("eth0_chi", R9A08G045_ETH0_CLK_CHI, R9A08G045_CLK_ZT, 0x57c, 0),
DEF_MOD("eth0_refclk", R9A08G045_ETH0_REFCLK, R9A08G045_CLK_HP, 0x57c, 8),
DEF_COUPLED("eth1_axi", R9A08G045_ETH1_CLK_AXI, R9A08G045_CLK_M0, 0x57c, 1),
DEF_COUPLED("eth1_chi", R9A08G045_ETH1_CLK_CHI, R9A08G045_CLK_ZT, 0x57c, 1),
DEF_MOD("eth1_refclk", R9A08G045_ETH1_REFCLK, R9A08G045_CLK_HP, 0x57c, 9),
DEF_MOD("scif0_clk_pck", R9A08G045_SCIF0_CLK_PCK, R9A08G045_CLK_P0, 0x584, 0),
DEF_MOD("gpio_hclk", R9A08G045_GPIO_HCLK, R9A08G045_OSCCLK, 0x598, 0),
};
static const struct rzg2l_reset r9a08g045_resets[] = {
DEF_RST(R9A08G045_GIC600_GICRESET_N, 0x814, 0),
DEF_RST(R9A08G045_GIC600_DBG_GICRESET_N, 0x814, 1),
DEF_RST(R9A08G045_IA55_RESETN, 0x818, 0),
DEF_RST(R9A08G045_WDT0_PRESETN, 0x848, 0),
DEF_RST(R9A08G045_SDHI0_IXRST, 0x854, 0),
DEF_RST(R9A08G045_SDHI1_IXRST, 0x854, 1),
DEF_RST(R9A08G045_SDHI2_IXRST, 0x854, 2),
DEF_RST(R9A08G045_ETH0_RST_HW_N, 0x87c, 0),
DEF_RST(R9A08G045_ETH1_RST_HW_N, 0x87c, 1),
DEF_RST(R9A08G045_SCIF0_RST_SYSTEM_N, 0x884, 0),
DEF_RST(R9A08G045_GPIO_RSTN, 0x898, 0),
DEF_RST(R9A08G045_GPIO_PORT_RESETN, 0x898, 1),
DEF_RST(R9A08G045_GPIO_SPARE_RESETN, 0x898, 2),
};
static const unsigned int r9a08g045_crit_mod_clks[] __initconst = {
MOD_CLK_BASE + R9A08G045_GIC600_GICCLK,
MOD_CLK_BASE + R9A08G045_IA55_PCLK,
MOD_CLK_BASE + R9A08G045_IA55_CLK,
MOD_CLK_BASE + R9A08G045_DMAC_ACLK,
};
static const struct rzg2l_cpg_pm_domain_init_data r9a08g045_pm_domains[] = {
/* Keep always-on domain on the first position for proper domains registration. */
DEF_PD("always-on", R9A08G045_PD_ALWAYS_ON,
DEF_REG_CONF(0, 0),
RZG2L_PD_F_ALWAYS_ON),
DEF_PD("gic", R9A08G045_PD_GIC,
DEF_REG_CONF(CPG_BUS_ACPU_MSTOP, BIT(3)),
RZG2L_PD_F_ALWAYS_ON),
DEF_PD("ia55", R9A08G045_PD_IA55,
DEF_REG_CONF(CPG_BUS_PERI_CPU_MSTOP, BIT(13)),
RZG2L_PD_F_ALWAYS_ON),
DEF_PD("dmac", R9A08G045_PD_DMAC,
DEF_REG_CONF(CPG_BUS_REG1_MSTOP, GENMASK(3, 0)),
RZG2L_PD_F_ALWAYS_ON),
DEF_PD("wdt0", R9A08G045_PD_WDT0,
DEF_REG_CONF(CPG_BUS_REG0_MSTOP, BIT(0)),
RZG2L_PD_F_NONE),
DEF_PD("sdhi0", R9A08G045_PD_SDHI0,
DEF_REG_CONF(CPG_BUS_PERI_COM_MSTOP, BIT(0)),
RZG2L_PD_F_NONE),
DEF_PD("sdhi1", R9A08G045_PD_SDHI1,
DEF_REG_CONF(CPG_BUS_PERI_COM_MSTOP, BIT(1)),
RZG2L_PD_F_NONE),
DEF_PD("sdhi2", R9A08G045_PD_SDHI2,
DEF_REG_CONF(CPG_BUS_PERI_COM_MSTOP, BIT(11)),
RZG2L_PD_F_NONE),
DEF_PD("eth0", R9A08G045_PD_ETHER0,
DEF_REG_CONF(CPG_BUS_PERI_COM_MSTOP, BIT(2)),
RZG2L_PD_F_NONE),
DEF_PD("eth1", R9A08G045_PD_ETHER1,
DEF_REG_CONF(CPG_BUS_PERI_COM_MSTOP, BIT(3)),
RZG2L_PD_F_NONE),
DEF_PD("scif0", R9A08G045_PD_SCIF0,
DEF_REG_CONF(CPG_BUS_MCPU2_MSTOP, BIT(1)),
RZG2L_PD_F_NONE),
};
const struct rzg2l_cpg_info r9a08g045_cpg_info = {
/* Core Clocks */
.core_clks = r9a08g045_core_clks,
.num_core_clks = ARRAY_SIZE(r9a08g045_core_clks),
.last_dt_core_clk = LAST_DT_CORE_CLK,
.num_total_core_clks = MOD_CLK_BASE,
/* Critical Module Clocks */
.crit_mod_clks = r9a08g045_crit_mod_clks,
.num_crit_mod_clks = ARRAY_SIZE(r9a08g045_crit_mod_clks),
/* Module Clocks */
.mod_clks = r9a08g045_mod_clks,
.num_mod_clks = ARRAY_SIZE(r9a08g045_mod_clks),
.num_hw_mod_clks = R9A08G045_VBAT_BCLK + 1,
/* Resets */
.resets = r9a08g045_resets,
.num_resets = R9A08G045_VBAT_BRESETN + 1, /* Last reset ID + 1 */
/* Power domains */
.pm_domains = r9a08g045_pm_domains,
.num_pm_domains = ARRAY_SIZE(r9a08g045_pm_domains),
.has_clk_mon_regs = true,
};
|
