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clk: renesas: Rename renesas-rzg2l-cpg.[ch] to rzg2l-cpg.[ch]
[mirror_ubuntu-jammy-kernel.git] / drivers / clk / renesas / r9a07g044-cpg.c
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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * RZ/G2L CPG driver
4 *
5 * Copyright (C) 2021 Renesas Electronics Corp.
6 */
7
8#include <linux/clk-provider.h>
9#include <linux/device.h>
10#include <linux/init.h>
11#include <linux/kernel.h>
12
13#include <dt-bindings/clock/r9a07g044-cpg.h>
14
0aae437a 15#include "rzg2l-cpg.h"
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16
17enum clk_ids {
18 /* Core Clock Outputs exported to DT */
19 LAST_DT_CORE_CLK = R9A07G044_OSCCLK,
20
21 /* External Input Clocks */
22 CLK_EXTAL,
23
24 /* Internal Core Clocks */
25 CLK_OSC_DIV1000,
26 CLK_PLL1,
27 CLK_PLL2,
28 CLK_PLL2_DIV2,
29 CLK_PLL2_DIV16,
30 CLK_PLL2_DIV20,
31 CLK_PLL3,
32 CLK_PLL3_DIV2,
fd8c3f6c 33 CLK_PLL3_DIV2_4,
668756f7 34 CLK_PLL3_DIV2_4_2,
17f0ff3d 35 CLK_PLL3_DIV4,
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36 CLK_PLL4,
37 CLK_PLL5,
38 CLK_PLL5_DIV2,
39 CLK_PLL6,
eb829e54 40 CLK_P1_DIV2,
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41
42 /* Module Clocks */
43 MOD_CLK_BASE,
44};
45
46/* Divider tables */
e93c1373 47static const struct clk_div_table dtable_1_32[] = {
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48 {0, 1},
49 {1, 2},
50 {2, 4},
51 {3, 8},
52 {4, 32},
e93c1373 53 {0, 0},
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54};
55
56static const struct cpg_core_clk r9a07g044_core_clks[] __initconst = {
57 /* External Clock Inputs */
58 DEF_INPUT("extal", CLK_EXTAL),
59
60 /* Internal Core Clocks */
61 DEF_FIXED(".osc", R9A07G044_OSCCLK, CLK_EXTAL, 1, 1),
62 DEF_FIXED(".osc_div1000", CLK_OSC_DIV1000, CLK_EXTAL, 1, 1000),
63 DEF_SAMPLL(".pll1", CLK_PLL1, CLK_EXTAL, PLL146_CONF(0)),
64 DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 133, 2),
65 DEF_FIXED(".pll3", CLK_PLL3, CLK_EXTAL, 133, 2),
66
67 DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 1, 2),
68 DEF_FIXED(".pll2_div16", CLK_PLL2_DIV16, CLK_PLL2, 1, 16),
69 DEF_FIXED(".pll2_div20", CLK_PLL2_DIV20, CLK_PLL2, 1, 20),
70
71 DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 1, 2),
fd8c3f6c 72 DEF_FIXED(".pll3_div2_4", CLK_PLL3_DIV2_4, CLK_PLL3_DIV2, 1, 4),
668756f7 73 DEF_FIXED(".pll3_div2_4_2", CLK_PLL3_DIV2_4_2, CLK_PLL3_DIV2_4, 1, 2),
17f0ff3d 74 DEF_FIXED(".pll3_div4", CLK_PLL3_DIV4, CLK_PLL3, 1, 4),
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75
76 /* Core output clk */
77 DEF_FIXED("I", R9A07G044_CLK_I, CLK_PLL1, 1, 1),
78 DEF_DIV("P0", R9A07G044_CLK_P0, CLK_PLL2_DIV16, DIVPL2A,
e93c1373 79 dtable_1_32, CLK_DIVIDER_HIWORD_MASK),
17f0ff3d 80 DEF_FIXED("TSU", R9A07G044_CLK_TSU, CLK_PLL2_DIV20, 1, 1),
fd8c3f6c 81 DEF_DIV("P1", R9A07G044_CLK_P1, CLK_PLL3_DIV2_4,
e93c1373 82 DIVPL3B, dtable_1_32, CLK_DIVIDER_HIWORD_MASK),
eb829e54 83 DEF_FIXED("P1_DIV2", CLK_P1_DIV2, R9A07G044_CLK_P1, 1, 2),
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84 DEF_DIV("P2", R9A07G044_CLK_P2, CLK_PLL3_DIV2_4_2,
85 DIVPL3A, dtable_1_32, CLK_DIVIDER_HIWORD_MASK),
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86};
87
88static struct rzg2l_mod_clk r9a07g044_mod_clks[] = {
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89 DEF_MOD("gic", R9A07G044_GIC600_GICCLK, R9A07G044_CLK_P1,
90 0x514, 0),
91 DEF_MOD("ia55_pclk", R9A07G044_IA55_PCLK, R9A07G044_CLK_P2,
92 0x518, 0),
93 DEF_MOD("ia55_clk", R9A07G044_IA55_CLK, R9A07G044_CLK_P1,
94 0x518, 1),
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95 DEF_MOD("dmac_aclk", R9A07G044_DMAC_ACLK, R9A07G044_CLK_P1,
96 0x52c, 0),
97 DEF_MOD("dmac_pclk", R9A07G044_DMAC_PCLK, CLK_P1_DIV2,
98 0x52c, 1),
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99 DEF_MOD("ssi0_pclk", R9A07G044_SSI0_PCLK2, R9A07G044_CLK_P0,
100 0x570, 0),
101 DEF_MOD("ssi0_sfr", R9A07G044_SSI0_PCLK_SFR, R9A07G044_CLK_P0,
102 0x570, 1),
103 DEF_MOD("ssi1_pclk", R9A07G044_SSI1_PCLK2, R9A07G044_CLK_P0,
104 0x570, 2),
105 DEF_MOD("ssi1_sfr", R9A07G044_SSI1_PCLK_SFR, R9A07G044_CLK_P0,
106 0x570, 3),
107 DEF_MOD("ssi2_pclk", R9A07G044_SSI2_PCLK2, R9A07G044_CLK_P0,
108 0x570, 4),
109 DEF_MOD("ssi2_sfr", R9A07G044_SSI2_PCLK_SFR, R9A07G044_CLK_P0,
110 0x570, 5),
111 DEF_MOD("ssi3_pclk", R9A07G044_SSI3_PCLK2, R9A07G044_CLK_P0,
112 0x570, 6),
113 DEF_MOD("ssi3_sfr", R9A07G044_SSI3_PCLK_SFR, R9A07G044_CLK_P0,
114 0x570, 7),
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115 DEF_MOD("usb0_host", R9A07G044_USB_U2H0_HCLK, R9A07G044_CLK_P1,
116 0x578, 0),
117 DEF_MOD("usb1_host", R9A07G044_USB_U2H1_HCLK, R9A07G044_CLK_P1,
118 0x578, 1),
119 DEF_MOD("usb0_func", R9A07G044_USB_U2P_EXR_CPUCLK, R9A07G044_CLK_P1,
120 0x578, 2),
121 DEF_MOD("usb_pclk", R9A07G044_USB_PCLK, R9A07G044_CLK_P1,
122 0x578, 3),
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123 DEF_MOD("i2c0", R9A07G044_I2C0_PCLK, R9A07G044_CLK_P0,
124 0x580, 0),
125 DEF_MOD("i2c1", R9A07G044_I2C1_PCLK, R9A07G044_CLK_P0,
126 0x580, 1),
127 DEF_MOD("i2c2", R9A07G044_I2C2_PCLK, R9A07G044_CLK_P0,
128 0x580, 2),
129 DEF_MOD("i2c3", R9A07G044_I2C3_PCLK, R9A07G044_CLK_P0,
130 0x580, 3),
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131 DEF_MOD("scif0", R9A07G044_SCIF0_CLK_PCK, R9A07G044_CLK_P0,
132 0x584, 0),
133 DEF_MOD("scif1", R9A07G044_SCIF1_CLK_PCK, R9A07G044_CLK_P0,
134 0x584, 1),
135 DEF_MOD("scif2", R9A07G044_SCIF2_CLK_PCK, R9A07G044_CLK_P0,
136 0x584, 2),
137 DEF_MOD("scif3", R9A07G044_SCIF3_CLK_PCK, R9A07G044_CLK_P0,
138 0x584, 3),
139 DEF_MOD("scif4", R9A07G044_SCIF4_CLK_PCK, R9A07G044_CLK_P0,
140 0x584, 4),
141 DEF_MOD("sci0", R9A07G044_SCI0_CLKP, R9A07G044_CLK_P0,
142 0x588, 0),
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143 DEF_MOD("gpio", R9A07G044_GPIO_HCLK, R9A07G044_OSCCLK,
144 0x598, 0),
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145};
146
147static struct rzg2l_reset r9a07g044_resets[] = {
148 DEF_RST(R9A07G044_GIC600_GICRESET_N, 0x814, 0),
149 DEF_RST(R9A07G044_GIC600_DBG_GICRESET_N, 0x814, 1),
150 DEF_RST(R9A07G044_IA55_RESETN, 0x818, 0),
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151 DEF_RST(R9A07G044_DMAC_ARESETN, 0x82c, 0),
152 DEF_RST(R9A07G044_DMAC_RST_ASYNC, 0x82c, 1),
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153 DEF_RST(R9A07G044_SSI0_RST_M2_REG, 0x870, 0),
154 DEF_RST(R9A07G044_SSI1_RST_M2_REG, 0x870, 1),
155 DEF_RST(R9A07G044_SSI2_RST_M2_REG, 0x870, 2),
156 DEF_RST(R9A07G044_SSI3_RST_M2_REG, 0x870, 3),
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157 DEF_RST(R9A07G044_USB_U2H0_HRESETN, 0x878, 0),
158 DEF_RST(R9A07G044_USB_U2H1_HRESETN, 0x878, 1),
159 DEF_RST(R9A07G044_USB_U2P_EXL_SYSRST, 0x878, 2),
160 DEF_RST(R9A07G044_USB_PRESETN, 0x878, 3),
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161 DEF_RST(R9A07G044_I2C0_MRST, 0x880, 0),
162 DEF_RST(R9A07G044_I2C1_MRST, 0x880, 1),
163 DEF_RST(R9A07G044_I2C2_MRST, 0x880, 2),
164 DEF_RST(R9A07G044_I2C3_MRST, 0x880, 3),
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165 DEF_RST(R9A07G044_SCIF0_RST_SYSTEM_N, 0x884, 0),
166 DEF_RST(R9A07G044_SCIF1_RST_SYSTEM_N, 0x884, 1),
167 DEF_RST(R9A07G044_SCIF2_RST_SYSTEM_N, 0x884, 2),
168 DEF_RST(R9A07G044_SCIF3_RST_SYSTEM_N, 0x884, 3),
169 DEF_RST(R9A07G044_SCIF4_RST_SYSTEM_N, 0x884, 4),
170 DEF_RST(R9A07G044_SCI0_RST, 0x888, 0),
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171 DEF_RST(R9A07G044_GPIO_RSTN, 0x898, 0),
172 DEF_RST(R9A07G044_GPIO_PORT_RESETN, 0x898, 1),
173 DEF_RST(R9A07G044_GPIO_SPARE_RESETN, 0x898, 2),
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174};
175
176static const unsigned int r9a07g044_crit_mod_clks[] __initconst = {
c3e67ad6 177 MOD_CLK_BASE + R9A07G044_GIC600_GICCLK,
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178};
179
180const struct rzg2l_cpg_info r9a07g044_cpg_info = {
181 /* Core Clocks */
182 .core_clks = r9a07g044_core_clks,
183 .num_core_clks = ARRAY_SIZE(r9a07g044_core_clks),
184 .last_dt_core_clk = LAST_DT_CORE_CLK,
185 .num_total_core_clks = MOD_CLK_BASE,
186
187 /* Critical Module Clocks */
188 .crit_mod_clks = r9a07g044_crit_mod_clks,
189 .num_crit_mod_clks = ARRAY_SIZE(r9a07g044_crit_mod_clks),
190
191 /* Module Clocks */
192 .mod_clks = r9a07g044_mod_clks,
193 .num_mod_clks = ARRAY_SIZE(r9a07g044_mod_clks),
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194 .num_hw_mod_clks = R9A07G044_TSU_PCLK + 1,
195
196 /* Resets */
197 .resets = r9a07g044_resets,
198 .num_resets = ARRAY_SIZE(r9a07g044_resets),
17f0ff3d 199};