1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2021 Renesas Electronics Corp.
8 #include <linux/clk-provider.h>
9 #include <linux/device.h>
10 #include <linux/init.h>
11 #include <linux/kernel.h>
13 #include <dt-bindings/clock/r9a07g044-cpg.h>
15 #include "renesas-rzg2l-cpg.h"
18 /* Core Clock Outputs exported to DT */
19 LAST_DT_CORE_CLK = R9A07G044_OSCCLK,
21 /* External Input Clocks */
24 /* Internal Core Clocks */
45 static const struct clk_div_table dtable_1_32[] = {
54 static const struct cpg_core_clk r9a07g044_core_clks[] __initconst = {
55 /* External Clock Inputs */
56 DEF_INPUT("extal", CLK_EXTAL),
58 /* Internal Core Clocks */
59 DEF_FIXED(".osc", R9A07G044_OSCCLK, CLK_EXTAL, 1, 1),
60 DEF_FIXED(".osc_div1000", CLK_OSC_DIV1000, CLK_EXTAL, 1, 1000),
61 DEF_SAMPLL(".pll1", CLK_PLL1, CLK_EXTAL, PLL146_CONF(0)),
62 DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 133, 2),
63 DEF_FIXED(".pll3", CLK_PLL3, CLK_EXTAL, 133, 2),
65 DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 1, 2),
66 DEF_FIXED(".pll2_div16", CLK_PLL2_DIV16, CLK_PLL2, 1, 16),
67 DEF_FIXED(".pll2_div20", CLK_PLL2_DIV20, CLK_PLL2, 1, 20),
69 DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 1, 2),
70 DEF_FIXED(".pll3_div4", CLK_PLL3_DIV4, CLK_PLL3, 1, 4),
71 DEF_FIXED(".pll3_div8", CLK_PLL3_DIV8, CLK_PLL3, 1, 8),
74 DEF_FIXED("I", R9A07G044_CLK_I, CLK_PLL1, 1, 1),
75 DEF_DIV("P0", R9A07G044_CLK_P0, CLK_PLL2_DIV16, DIVPL2A,
76 dtable_1_32, CLK_DIVIDER_HIWORD_MASK),
77 DEF_FIXED("TSU", R9A07G044_CLK_TSU, CLK_PLL2_DIV20, 1, 1),
78 DEF_DIV("P1", R9A07G044_CLK_P1, CLK_PLL3_DIV8,
79 DIVPL3B, dtable_1_32, CLK_DIVIDER_HIWORD_MASK),
82 static struct rzg2l_mod_clk r9a07g044_mod_clks[] = {
83 DEF_MOD("gic", R9A07G044_CLK_GIC600,
85 0x514, BIT(0), (BIT(0) | BIT(1))),
86 DEF_MOD("ia55", R9A07G044_CLK_IA55,
88 0x518, (BIT(0) | BIT(1)), BIT(0)),
89 DEF_MOD("scif0", R9A07G044_CLK_SCIF0,
91 0x584, BIT(0), BIT(0)),
92 DEF_MOD("scif1", R9A07G044_CLK_SCIF1,
94 0x584, BIT(1), BIT(1)),
95 DEF_MOD("scif2", R9A07G044_CLK_SCIF2,
97 0x584, BIT(2), BIT(2)),
98 DEF_MOD("scif3", R9A07G044_CLK_SCIF3,
100 0x584, BIT(3), BIT(3)),
101 DEF_MOD("scif4", R9A07G044_CLK_SCIF4,
103 0x584, BIT(4), BIT(4)),
104 DEF_MOD("sci0", R9A07G044_CLK_SCI0,
106 0x588, BIT(0), BIT(0)),
109 static const unsigned int r9a07g044_crit_mod_clks[] __initconst = {
110 MOD_CLK_BASE + R9A07G044_CLK_GIC600,
113 const struct rzg2l_cpg_info r9a07g044_cpg_info = {
115 .core_clks = r9a07g044_core_clks,
116 .num_core_clks = ARRAY_SIZE(r9a07g044_core_clks),
117 .last_dt_core_clk = LAST_DT_CORE_CLK,
118 .num_total_core_clks = MOD_CLK_BASE,
120 /* Critical Module Clocks */
121 .crit_mod_clks = r9a07g044_crit_mod_clks,
122 .num_crit_mod_clks = ARRAY_SIZE(r9a07g044_crit_mod_clks),
125 .mod_clks = r9a07g044_mod_clks,
126 .num_mod_clks = ARRAY_SIZE(r9a07g044_mod_clks),
127 .num_hw_mod_clks = R9A07G044_CLK_MIPI_DSI_PIN + 1,