// SPDX-License-Identifier: GPL-2.0
/*
* Renesas RZ/V2H(P) CPG driver
*
* Copyright (C) 2024 Renesas Electronics Corp.
*/
#include <linux/clk-provider.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <dt-bindings/clock/renesas,r9a09g057-cpg.h>
#include "rzv2h-cpg.h"
enum clk_ids {
/* Core Clock Outputs exported to DT */
LAST_DT_CORE_CLK = R9A09G057_IOTOP_0_SHCLK,
/* External Input Clocks */
CLK_AUDIO_EXTAL,
CLK_RTXIN,
CLK_QEXTAL,
/* PLL Clocks */
CLK_PLLCM33,
CLK_PLLCLN,
CLK_PLLDTY,
CLK_PLLCA55,
/* Internal Core Clocks */
CLK_PLLCM33_DIV16,
CLK_PLLCLN_DIV2,
CLK_PLLCLN_DIV8,
CLK_PLLCLN_DIV16,
CLK_PLLDTY_ACPU,
CLK_PLLDTY_ACPU_DIV4,
/* Module Clocks */
MOD_CLK_BASE,
};
static const struct clk_div_table dtable_2_64[] = {
{0, 2},
{1, 4},
{2, 8},
{3, 16},
{4, 64},
{0, 0},
};
static const struct cpg_core_clk r9a09g057_core_clks[] __initconst = {
/* External Clock Inputs */
DEF_INPUT("audio_extal", CLK_AUDIO_EXTAL),
DEF_INPUT("rtxin", CLK_RTXIN),
DEF_INPUT("qextal", CLK_QEXTAL),
/* PLL Clocks */
DEF_FIXED(".pllcm33", CLK_PLLCM33, CLK_QEXTAL, 200, 3),
DEF_FIXED(".pllcln", CLK_PLLCLN, CLK_QEXTAL, 200, 3),
DEF_FIXED(".plldty", CLK_PLLDTY, CLK_QEXTAL, 200, 3),
DEF_PLL(".pllca55", CLK_PLLCA55, CLK_QEXTAL, PLL_CONF(0x64)),
/* Internal Core Clocks */
DEF_FIXED(".pllcm33_div16", CLK_PLLCM33_DIV16, CLK_PLLCM33, 1, 16),
DEF_FIXED(".pllcln_div2", CLK_PLLCLN_DIV2, CLK_PLLCLN, 1, 2),
DEF_FIXED(".pllcln_div8", CLK_PLLCLN_DIV8, CLK_PLLCLN, 1, 8),
DEF_FIXED(".pllcln_div16", CLK_PLLCLN_DIV16, CLK_PLLCLN, 1, 16),
DEF_DDIV(".plldty_acpu", CLK_PLLDTY_ACPU, CLK_PLLDTY, CDDIV0_DIVCTL2, dtable_2_64),
DEF_FIXED(".plldty_acpu_div4", CLK_PLLDTY_ACPU_DIV4, CLK_PLLDTY_ACPU, 1, 4),
/* Core Clocks */
DEF_FIXED("sys_0_pclk", R9A09G057_SYS_0_PCLK, CLK_QEXTAL, 1, 1),
DEF_FIXED("iotop_0_shclk", R9A09G057_IOTOP_0_SHCLK, CLK_PLLCM33_DIV16, 1, 1),
};
static const struct rzv2h_mod_clk r9a09g057_mod_clks[] __initconst = {
DEF_MOD("gtm_0_pclk", CLK_PLLCM33_DIV16, 4, 3, 2, 3),
DEF_MOD("gtm_1_pclk", CLK_PLLCM33_DIV16, 4, 4, 2, 4),
DEF_MOD("gtm_2_pclk", CLK_PLLCLN_DIV16, 4, 5, 2, 5),
DEF_MOD("gtm_3_pclk", CLK_PLLCLN_DIV16, 4, 6, 2, 6),
DEF_MOD("gtm_4_pclk", CLK_PLLCLN_DIV16, 4, 7, 2, 7),
DEF_MOD("gtm_5_pclk", CLK_PLLCLN_DIV16, 4, 8, 2, 8),
DEF_MOD("gtm_6_pclk", CLK_PLLCLN_DIV16, 4, 9, 2, 9),
DEF_MOD("gtm_7_pclk", CLK_PLLCLN_DIV16, 4, 10, 2, 10),
DEF_MOD("wdt_0_clkp", CLK_PLLCM33_DIV16, 4, 11, 2, 11),
DEF_MOD("wdt_0_clk_loco", CLK_QEXTAL, 4, 12, 2, 12),
DEF_MOD("wdt_1_clkp", CLK_PLLCLN_DIV16, 4, 13, 2, 13),
DEF_MOD("wdt_1_clk_loco", CLK_QEXTAL, 4, 14, 2, 14),
DEF_MOD("wdt_2_clkp", CLK_PLLCLN_DIV16, 4, 15, 2, 15),
DEF_MOD("wdt_2_clk_loco", CLK_QEXTAL, 5, 0, 2, 16),
DEF_MOD("wdt_3_clkp", CLK_PLLCLN_DIV16, 5, 1, 2, 17),
DEF_MOD("wdt_3_clk_loco", CLK_QEXTAL, 5, 2, 2, 18),
DEF_MOD("scif_0_clk_pck", CLK_PLLCM33_DIV16, 8, 15, 4, 15),
DEF_MOD("riic_8_ckm", CLK_PLLCM33_DIV16, 9, 3, 4, 19),
DEF_MOD("riic_0_ckm", CLK_PLLCLN_DIV16, 9, 4, 4, 20),
DEF_MOD("riic_1_ckm", CLK_PLLCLN_DIV16, 9, 5, 4, 21),
DEF_MOD("riic_2_ckm", CLK_PLLCLN_DIV16, 9, 6, 4, 22),
DEF_MOD("riic_3_ckm", CLK_PLLCLN_DIV16, 9, 7, 4, 23),
DEF_MOD("riic_4_ckm", CLK_PLLCLN_DIV16, 9, 8, 4, 24),
DEF_MOD("riic_5_ckm", CLK_PLLCLN_DIV16, 9, 9, 4, 25),
DEF_MOD("riic_6_ckm", CLK_PLLCLN_DIV16, 9, 10, 4, 26),
DEF_MOD("riic_7_ckm", CLK_PLLCLN_DIV16, 9, 11, 4, 27),
DEF_MOD("sdhi_0_imclk", CLK_PLLCLN_DIV8, 10, 3, 5, 3),
DEF_MOD("sdhi_0_imclk2", CLK_PLLCLN_DIV8, 10, 4, 5, 4),
DEF_MOD("sdhi_0_clk_hs", CLK_PLLCLN_DIV2, 10, 5, 5, 5),
DEF_MOD("sdhi_0_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 6, 5, 6),
DEF_MOD("sdhi_1_imclk", CLK_PLLCLN_DIV8, 10, 7, 5, 7),
DEF_MOD("sdhi_1_imclk2", CLK_PLLCLN_DIV8, 10, 8, 5, 8),
DEF_MOD("sdhi_1_clk_hs", CLK_PLLCLN_DIV2, 10, 9, 5, 9),
DEF_MOD("sdhi_1_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 10, 5, 10),
DEF_MOD("sdhi_2_imclk", CLK_PLLCLN_DIV8, 10, 11, 5, 11),
DEF_MOD("sdhi_2_imclk2", CLK_PLLCLN_DIV8, 10, 12, 5, 12),
DEF_MOD("sdhi_2_clk_hs", CLK_PLLCLN_DIV2, 10, 13, 5, 13),
DEF_MOD("sdhi_2_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 14, 5, 14),
};
static const struct rzv2h_reset r9a09g057_resets[] __initconst = {
DEF_RST(6, 13, 2, 30), /* GTM_0_PRESETZ */
DEF_RST(6, 14, 2, 31), /* GTM_1_PRESETZ */
DEF_RST(6, 15, 3, 0), /* GTM_2_PRESETZ */
DEF_RST(7, 0, 3, 1), /* GTM_3_PRESETZ */
DEF_RST(7, 1, 3, 2), /* GTM_4_PRESETZ */
DEF_RST(7, 2, 3, 3), /* GTM_5_PRESETZ */
DEF_RST(7, 3, 3, 4), /* GTM_6_PRESETZ */
DEF_RST(7, 4, 3, 5), /* GTM_7_PRESETZ */
DEF_RST(7, 5, 3, 6), /* WDT_0_RESET */
DEF_RST(7, 6, 3, 7), /* WDT_1_RESET */
DEF_RST(7, 7, 3, 8), /* WDT_2_RESET */
DEF_RST(7, 8, 3, 9), /* WDT_3_RESET */
DEF_RST(9, 5, 4, 6), /* SCIF_0_RST_SYSTEM_N */
DEF_RST(9, 8, 4, 9), /* RIIC_0_MRST */
DEF_RST(9, 9, 4, 10), /* RIIC_1_MRST */
DEF_RST(9, 10, 4, 11), /* RIIC_2_MRST */
DEF_RST(9, 11, 4, 12), /* RIIC_3_MRST */
DEF_RST(9, 12, 4, 13), /* RIIC_4_MRST */
DEF_RST(9, 13, 4, 14), /* RIIC_5_MRST */
DEF_RST(9, 14, 4, 15), /* RIIC_6_MRST */
DEF_RST(9, 15, 4, 16), /* RIIC_7_MRST */
DEF_RST(10, 0, 4, 17), /* RIIC_8_MRST */
DEF_RST(10, 7, 4, 24), /* SDHI_0_IXRST */
DEF_RST(10, 8, 4, 25), /* SDHI_1_IXRST */
DEF_RST(10, 9, 4, 26), /* SDHI_2_IXRST */
};
const struct rzv2h_cpg_info r9a09g057_cpg_info __initconst = {
/* Core Clocks */
.core_clks = r9a09g057_core_clks,
.num_core_clks = ARRAY_SIZE(r9a09g057_core_clks),
.last_dt_core_clk = LAST_DT_CORE_CLK,
.num_total_core_clks = MOD_CLK_BASE,
/* Module Clocks */
.mod_clks = r9a09g057_mod_clks,
.num_mod_clks = ARRAY_SIZE(r9a09g057_mod_clks),
.num_hw_mod_clks = 25 * 16,
/* Resets */
.resets = r9a09g057_resets,
.num_resets = ARRAY_SIZE(r9a09g057_resets),
};
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