| // 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, |
| CLK_PLLVDO, |
| |
| /* Internal Core Clocks */ |
| CLK_PLLCM33_DIV4, |
| CLK_PLLCM33_DIV4_PLLCM33, |
| CLK_PLLCM33_DIV16, |
| CLK_PLLCLN_DIV2, |
| CLK_PLLCLN_DIV8, |
| CLK_PLLCLN_DIV16, |
| CLK_PLLDTY_ACPU, |
| CLK_PLLDTY_ACPU_DIV2, |
| CLK_PLLDTY_ACPU_DIV4, |
| CLK_PLLDTY_DIV16, |
| CLK_PLLDTY_RCPU, |
| CLK_PLLDTY_RCPU_DIV4, |
| CLK_PLLVDO_CRU0, |
| CLK_PLLVDO_CRU1, |
| CLK_PLLVDO_CRU2, |
| CLK_PLLVDO_CRU3, |
| |
| /* Module Clocks */ |
| MOD_CLK_BASE, |
| }; |
| |
| 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_2_4[] = { |
| {0, 2}, |
| {1, 4}, |
| {0, 0}, |
| }; |
| |
| 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)), |
| DEF_FIXED(".pllvdo", CLK_PLLVDO, CLK_QEXTAL, 105, 2), |
| |
| /* Internal Core Clocks */ |
| DEF_FIXED(".pllcm33_div4", CLK_PLLCM33_DIV4, CLK_PLLCM33, 1, 4), |
| DEF_DDIV(".pllcm33_div4_pllcm33", CLK_PLLCM33_DIV4_PLLCM33, |
| CLK_PLLCM33_DIV4, CDDIV0_DIVCTL1, dtable_2_64), |
| 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_div2", CLK_PLLDTY_ACPU_DIV2, CLK_PLLDTY_ACPU, 1, 2), |
| DEF_FIXED(".plldty_acpu_div4", CLK_PLLDTY_ACPU_DIV4, CLK_PLLDTY_ACPU, 1, 4), |
| DEF_FIXED(".plldty_div16", CLK_PLLDTY_DIV16, CLK_PLLDTY, 1, 16), |
| DEF_DDIV(".plldty_rcpu", CLK_PLLDTY_RCPU, CLK_PLLDTY, CDDIV3_DIVCTL2, dtable_2_64), |
| DEF_FIXED(".plldty_rcpu_div4", CLK_PLLDTY_RCPU_DIV4, CLK_PLLDTY_RCPU, 1, 4), |
| |
| DEF_DDIV(".pllvdo_cru0", CLK_PLLVDO_CRU0, CLK_PLLVDO, CDDIV3_DIVCTL3, dtable_2_4), |
| DEF_DDIV(".pllvdo_cru1", CLK_PLLVDO_CRU1, CLK_PLLVDO, CDDIV4_DIVCTL0, dtable_2_4), |
| DEF_DDIV(".pllvdo_cru2", CLK_PLLVDO_CRU2, CLK_PLLVDO, CDDIV4_DIVCTL1, dtable_2_4), |
| DEF_DDIV(".pllvdo_cru3", CLK_PLLVDO_CRU3, CLK_PLLVDO, CDDIV4_DIVCTL2, dtable_2_4), |
| |
| /* Core Clocks */ |
| DEF_FIXED("sys_0_pclk", R9A09G057_SYS_0_PCLK, CLK_QEXTAL, 1, 1), |
| DEF_DDIV("ca55_0_coreclk0", R9A09G057_CA55_0_CORE_CLK0, CLK_PLLCA55, |
| CDDIV1_DIVCTL0, dtable_1_8), |
| DEF_DDIV("ca55_0_coreclk1", R9A09G057_CA55_0_CORE_CLK1, CLK_PLLCA55, |
| CDDIV1_DIVCTL1, dtable_1_8), |
| DEF_DDIV("ca55_0_coreclk2", R9A09G057_CA55_0_CORE_CLK2, CLK_PLLCA55, |
| CDDIV1_DIVCTL2, dtable_1_8), |
| DEF_DDIV("ca55_0_coreclk3", R9A09G057_CA55_0_CORE_CLK3, CLK_PLLCA55, |
| CDDIV1_DIVCTL3, dtable_1_8), |
| 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("dmac_0_aclk", CLK_PLLCM33_DIV4_PLLCM33, 0, 0, 0, 0, |
| BUS_MSTOP(5, BIT(9))), |
| DEF_MOD("dmac_1_aclk", CLK_PLLDTY_ACPU_DIV2, 0, 1, 0, 1, |
| BUS_MSTOP(3, BIT(2))), |
| DEF_MOD("dmac_2_aclk", CLK_PLLDTY_ACPU_DIV2, 0, 2, 0, 2, |
| BUS_MSTOP(3, BIT(3))), |
| DEF_MOD("dmac_3_aclk", CLK_PLLDTY_RCPU_DIV4, 0, 3, 0, 3, |
| BUS_MSTOP(10, BIT(11))), |
| DEF_MOD("dmac_4_aclk", CLK_PLLDTY_RCPU_DIV4, 0, 4, 0, 4, |
| BUS_MSTOP(10, BIT(12))), |
| DEF_MOD_CRITICAL("icu_0_pclk_i", CLK_PLLCM33_DIV16, 0, 5, 0, 5, |
| BUS_MSTOP_NONE), |
| DEF_MOD_CRITICAL("gic_0_gicclk", CLK_PLLDTY_ACPU_DIV4, 1, 3, 0, 19, |
| BUS_MSTOP(3, BIT(5))), |
| DEF_MOD("gtm_0_pclk", CLK_PLLCM33_DIV16, 4, 3, 2, 3, |
| BUS_MSTOP(5, BIT(10))), |
| DEF_MOD("gtm_1_pclk", CLK_PLLCM33_DIV16, 4, 4, 2, 4, |
| BUS_MSTOP(5, BIT(11))), |
| DEF_MOD("gtm_2_pclk", CLK_PLLCLN_DIV16, 4, 5, 2, 5, |
| BUS_MSTOP(2, BIT(13))), |
| DEF_MOD("gtm_3_pclk", CLK_PLLCLN_DIV16, 4, 6, 2, 6, |
| BUS_MSTOP(2, BIT(14))), |
| DEF_MOD("gtm_4_pclk", CLK_PLLCLN_DIV16, 4, 7, 2, 7, |
| BUS_MSTOP(11, BIT(13))), |
| DEF_MOD("gtm_5_pclk", CLK_PLLCLN_DIV16, 4, 8, 2, 8, |
| BUS_MSTOP(11, BIT(14))), |
| DEF_MOD("gtm_6_pclk", CLK_PLLCLN_DIV16, 4, 9, 2, 9, |
| BUS_MSTOP(11, BIT(15))), |
| DEF_MOD("gtm_7_pclk", CLK_PLLCLN_DIV16, 4, 10, 2, 10, |
| BUS_MSTOP(12, BIT(0))), |
| DEF_MOD("wdt_0_clkp", CLK_PLLCM33_DIV16, 4, 11, 2, 11, |
| BUS_MSTOP(3, BIT(10))), |
| DEF_MOD("wdt_0_clk_loco", CLK_QEXTAL, 4, 12, 2, 12, |
| BUS_MSTOP(3, BIT(10))), |
| DEF_MOD("wdt_1_clkp", CLK_PLLCLN_DIV16, 4, 13, 2, 13, |
| BUS_MSTOP(1, BIT(0))), |
| DEF_MOD("wdt_1_clk_loco", CLK_QEXTAL, 4, 14, 2, 14, |
| BUS_MSTOP(1, BIT(0))), |
| DEF_MOD("wdt_2_clkp", CLK_PLLCLN_DIV16, 4, 15, 2, 15, |
| BUS_MSTOP(5, BIT(12))), |
| DEF_MOD("wdt_2_clk_loco", CLK_QEXTAL, 5, 0, 2, 16, |
| BUS_MSTOP(5, BIT(12))), |
| DEF_MOD("wdt_3_clkp", CLK_PLLCLN_DIV16, 5, 1, 2, 17, |
| BUS_MSTOP(5, BIT(13))), |
| DEF_MOD("wdt_3_clk_loco", CLK_QEXTAL, 5, 2, 2, 18, |
| BUS_MSTOP(5, BIT(13))), |
| DEF_MOD("scif_0_clk_pck", CLK_PLLCM33_DIV16, 8, 15, 4, 15, |
| BUS_MSTOP(3, BIT(14))), |
| DEF_MOD("riic_8_ckm", CLK_PLLCM33_DIV16, 9, 3, 4, 19, |
| BUS_MSTOP(3, BIT(13))), |
| DEF_MOD("riic_0_ckm", CLK_PLLCLN_DIV16, 9, 4, 4, 20, |
| BUS_MSTOP(1, BIT(1))), |
| DEF_MOD("riic_1_ckm", CLK_PLLCLN_DIV16, 9, 5, 4, 21, |
| BUS_MSTOP(1, BIT(2))), |
| DEF_MOD("riic_2_ckm", CLK_PLLCLN_DIV16, 9, 6, 4, 22, |
| BUS_MSTOP(1, BIT(3))), |
| DEF_MOD("riic_3_ckm", CLK_PLLCLN_DIV16, 9, 7, 4, 23, |
| BUS_MSTOP(1, BIT(4))), |
| DEF_MOD("riic_4_ckm", CLK_PLLCLN_DIV16, 9, 8, 4, 24, |
| BUS_MSTOP(1, BIT(5))), |
| DEF_MOD("riic_5_ckm", CLK_PLLCLN_DIV16, 9, 9, 4, 25, |
| BUS_MSTOP(1, BIT(6))), |
| DEF_MOD("riic_6_ckm", CLK_PLLCLN_DIV16, 9, 10, 4, 26, |
| BUS_MSTOP(1, BIT(7))), |
| DEF_MOD("riic_7_ckm", CLK_PLLCLN_DIV16, 9, 11, 4, 27, |
| BUS_MSTOP(1, BIT(8))), |
| DEF_MOD("sdhi_0_imclk", CLK_PLLCLN_DIV8, 10, 3, 5, 3, |
| BUS_MSTOP(8, BIT(2))), |
| DEF_MOD("sdhi_0_imclk2", CLK_PLLCLN_DIV8, 10, 4, 5, 4, |
| BUS_MSTOP(8, BIT(2))), |
| DEF_MOD("sdhi_0_clk_hs", CLK_PLLCLN_DIV2, 10, 5, 5, 5, |
| BUS_MSTOP(8, BIT(2))), |
| DEF_MOD("sdhi_0_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 6, 5, 6, |
| BUS_MSTOP(8, BIT(2))), |
| DEF_MOD("sdhi_1_imclk", CLK_PLLCLN_DIV8, 10, 7, 5, 7, |
| BUS_MSTOP(8, BIT(3))), |
| DEF_MOD("sdhi_1_imclk2", CLK_PLLCLN_DIV8, 10, 8, 5, 8, |
| BUS_MSTOP(8, BIT(3))), |
| DEF_MOD("sdhi_1_clk_hs", CLK_PLLCLN_DIV2, 10, 9, 5, 9, |
| BUS_MSTOP(8, BIT(3))), |
| DEF_MOD("sdhi_1_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 10, 5, 10, |
| BUS_MSTOP(8, BIT(3))), |
| DEF_MOD("sdhi_2_imclk", CLK_PLLCLN_DIV8, 10, 11, 5, 11, |
| BUS_MSTOP(8, BIT(4))), |
| DEF_MOD("sdhi_2_imclk2", CLK_PLLCLN_DIV8, 10, 12, 5, 12, |
| BUS_MSTOP(8, BIT(4))), |
| DEF_MOD("sdhi_2_clk_hs", CLK_PLLCLN_DIV2, 10, 13, 5, 13, |
| BUS_MSTOP(8, BIT(4))), |
| DEF_MOD("sdhi_2_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 14, 5, 14, |
| BUS_MSTOP(8, BIT(4))), |
| DEF_MOD("cru_0_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 2, 6, 18, |
| BUS_MSTOP(9, BIT(4))), |
| DEF_MOD_NO_PM("cru_0_vclk", CLK_PLLVDO_CRU0, 13, 3, 6, 19, |
| BUS_MSTOP(9, BIT(4))), |
| DEF_MOD("cru_0_pclk", CLK_PLLDTY_DIV16, 13, 4, 6, 20, |
| BUS_MSTOP(9, BIT(4))), |
| DEF_MOD("cru_1_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 5, 6, 21, |
| BUS_MSTOP(9, BIT(5))), |
| DEF_MOD_NO_PM("cru_1_vclk", CLK_PLLVDO_CRU1, 13, 6, 6, 22, |
| BUS_MSTOP(9, BIT(5))), |
| DEF_MOD("cru_1_pclk", CLK_PLLDTY_DIV16, 13, 7, 6, 23, |
| BUS_MSTOP(9, BIT(5))), |
| DEF_MOD("cru_2_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 8, 6, 24, |
| BUS_MSTOP(9, BIT(6))), |
| DEF_MOD_NO_PM("cru_2_vclk", CLK_PLLVDO_CRU2, 13, 9, 6, 25, |
| BUS_MSTOP(9, BIT(6))), |
| DEF_MOD("cru_2_pclk", CLK_PLLDTY_DIV16, 13, 10, 6, 26, |
| BUS_MSTOP(9, BIT(6))), |
| DEF_MOD("cru_3_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 11, 6, 27, |
| BUS_MSTOP(9, BIT(7))), |
| DEF_MOD_NO_PM("cru_3_vclk", CLK_PLLVDO_CRU3, 13, 12, 6, 28, |
| BUS_MSTOP(9, BIT(7))), |
| DEF_MOD("cru_3_pclk", CLK_PLLDTY_DIV16, 13, 13, 6, 29, |
| BUS_MSTOP(9, BIT(7))), |
| }; |
| |
| static const struct rzv2h_reset r9a09g057_resets[] __initconst = { |
| DEF_RST(3, 0, 1, 1), /* SYS_0_PRESETN */ |
| DEF_RST(3, 1, 1, 2), /* DMAC_0_ARESETN */ |
| DEF_RST(3, 2, 1, 3), /* DMAC_1_ARESETN */ |
| DEF_RST(3, 3, 1, 4), /* DMAC_2_ARESETN */ |
| DEF_RST(3, 4, 1, 5), /* DMAC_3_ARESETN */ |
| DEF_RST(3, 5, 1, 6), /* DMAC_4_ARESETN */ |
| DEF_RST(3, 6, 1, 7), /* ICU_0_PRESETN_I */ |
| DEF_RST(3, 8, 1, 9), /* GIC_0_GICRESET_N */ |
| DEF_RST(3, 9, 1, 10), /* GIC_0_DBG_GICRESET_N */ |
| 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 */ |
| DEF_RST(12, 5, 5, 22), /* CRU_0_PRESETN */ |
| DEF_RST(12, 6, 5, 23), /* CRU_0_ARESETN */ |
| DEF_RST(12, 7, 5, 24), /* CRU_0_S_RESETN */ |
| DEF_RST(12, 8, 5, 25), /* CRU_1_PRESETN */ |
| DEF_RST(12, 9, 5, 26), /* CRU_1_ARESETN */ |
| DEF_RST(12, 10, 5, 27), /* CRU_1_S_RESETN */ |
| DEF_RST(12, 11, 5, 28), /* CRU_2_PRESETN */ |
| DEF_RST(12, 12, 5, 29), /* CRU_2_ARESETN */ |
| DEF_RST(12, 13, 5, 30), /* CRU_2_S_RESETN */ |
| DEF_RST(12, 14, 5, 31), /* CRU_3_PRESETN */ |
| DEF_RST(12, 15, 6, 0), /* CRU_3_ARESETN */ |
| DEF_RST(13, 0, 6, 1), /* CRU_3_S_RESETN */ |
| }; |
| |
| 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), |
| |
| .num_mstop_bits = 192, |
| }; |