// SPDX-License-Identifier: GPL-2.0 /* * RZ/G2L CPG driver * * Copyright (C) 2021 Renesas Electronics Corp. */ #include #include #include #include #include #include #include "rzg2l-cpg.h" enum clk_ids { /* Core Clock Outputs exported to DT */ LAST_DT_CORE_CLK = R9A07G054_CLK_DRP_A, /* External Input Clocks */ CLK_EXTAL, /* Internal Core Clocks */ CLK_OSC_DIV1000, CLK_PLL1, CLK_PLL2, CLK_PLL2_DIV2, CLK_PLL2_DIV2_8, CLK_PLL2_DIV2_10, CLK_PLL3, CLK_PLL3_400, CLK_PLL3_533, CLK_PLL3_DIV2, CLK_PLL3_DIV2_2, CLK_PLL3_DIV2_4, CLK_PLL3_DIV2_4_2, CLK_SEL_PLL3_3, CLK_DIV_PLL3_C, CLK_PLL4, CLK_PLL5, CLK_PLL5_FOUT3, CLK_PLL5_250, CLK_PLL6, CLK_PLL6_250, CLK_P1_DIV2, CLK_PLL2_800, CLK_PLL2_SDHI_533, CLK_PLL2_SDHI_400, CLK_PLL2_SDHI_266, CLK_SD0_DIV4, CLK_SD1_DIV4, CLK_SEL_GPU2, /* Module Clocks */ MOD_CLK_BASE, }; /* Divider tables */ 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 tables */ static const char * const sel_pll3_3[] = { ".pll3_533", ".pll3_400" }; static const char * const sel_pll6_2[] = { ".pll6_250", ".pll5_250" }; static const char * const sel_shdi[] = { ".clk_533", ".clk_400", ".clk_266" }; static const char * const sel_gpu2[] = { ".pll6", ".pll3_div2_2" }; static const struct { struct cpg_core_clk common[44]; #ifdef CONFIG_CLK_R9A07G054 struct cpg_core_clk drp[0]; #endif } core_clks __initconst = { .common = { /* External Clock Inputs */ DEF_INPUT("extal", CLK_EXTAL), /* Internal Core Clocks */ DEF_FIXED(".osc", R9A07G044_OSCCLK, CLK_EXTAL, 1, 1), DEF_FIXED(".osc_div1000", CLK_OSC_DIV1000, CLK_EXTAL, 1, 1000), DEF_SAMPLL(".pll1", CLK_PLL1, CLK_EXTAL, PLL146_CONF(0)), DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 200, 3), DEF_FIXED(".pll3", CLK_PLL3, CLK_EXTAL, 200, 3), DEF_FIXED(".pll3_400", CLK_PLL3_400, CLK_PLL3, 1, 4), DEF_FIXED(".pll3_533", CLK_PLL3_533, CLK_PLL3, 1, 3), DEF_FIXED(".pll5", CLK_PLL5, CLK_EXTAL, 125, 1), DEF_FIXED(".pll5_fout3", CLK_PLL5_FOUT3, CLK_PLL5, 1, 6), DEF_FIXED(".pll6", CLK_PLL6, CLK_EXTAL, 125, 6), DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 1, 2), DEF_FIXED(".clk_800", CLK_PLL2_800, CLK_PLL2, 1, 2), DEF_FIXED(".clk_533", CLK_PLL2_SDHI_533, CLK_PLL2, 1, 3), DEF_FIXED(".clk_400", CLK_PLL2_SDHI_400, CLK_PLL2_800, 1, 2), DEF_FIXED(".clk_266", CLK_PLL2_SDHI_266, CLK_PLL2_SDHI_533, 1, 2), DEF_FIXED(".pll2_div2_8", CLK_PLL2_DIV2_8, CLK_PLL2_DIV2, 1, 8), DEF_FIXED(".pll2_div2_10", CLK_PLL2_DIV2_10, CLK_PLL2_DIV2, 1, 10), DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 1, 2), DEF_FIXED(".pll3_div2_2", CLK_PLL3_DIV2_2, CLK_PLL3_DIV2, 1, 2), DEF_FIXED(".pll3_div2_4", CLK_PLL3_DIV2_4, CLK_PLL3_DIV2, 1, 4), DEF_FIXED(".pll3_div2_4_2", CLK_PLL3_DIV2_4_2, CLK_PLL3_DIV2_4, 1, 2), DEF_MUX(".sel_pll3_3", CLK_SEL_PLL3_3, SEL_PLL3_3, sel_pll3_3, ARRAY_SIZE(sel_pll3_3), 0, CLK_MUX_READ_ONLY), DEF_DIV("divpl3c", CLK_DIV_PLL3_C, CLK_SEL_PLL3_3, DIVPL3C, dtable_1_32, CLK_DIVIDER_HIWORD_MASK), DEF_FIXED(".pll5_250", CLK_PLL5_250, CLK_PLL5_FOUT3, 1, 2), DEF_FIXED(".pll6_250", CLK_PLL6_250, CLK_PLL6, 1, 2), DEF_MUX(".sel_gpu2", CLK_SEL_GPU2, SEL_GPU2, sel_gpu2, ARRAY_SIZE(sel_gpu2), 0, CLK_MUX_READ_ONLY), /* Core output clk */ DEF_DIV("I", R9A07G044_CLK_I, CLK_PLL1, DIVPL1A, dtable_1_8, CLK_DIVIDER_HIWORD_MASK), DEF_DIV("P0", R9A07G044_CLK_P0, CLK_PLL2_DIV2_8, DIVPL2A, dtable_1_32, CLK_DIVIDER_HIWORD_MASK), DEF_FIXED("P0_DIV2", R9A07G044_CLK_P0_DIV2, R9A07G044_CLK_P0, 1, 2), DEF_FIXED("TSU", R9A07G044_CLK_TSU, CLK_PLL2_DIV2_10, 1, 1), DEF_DIV("P1", R9A07G044_CLK_P1, CLK_PLL3_DIV2_4, DIVPL3B, dtable_1_32, CLK_DIVIDER_HIWORD_MASK), DEF_FIXED("P1_DIV2", CLK_P1_DIV2, R9A07G044_CLK_P1, 1, 2), DEF_DIV("P2", R9A07G044_CLK_P2, CLK_PLL3_DIV2_4_2, DIVPL3A, dtable_1_32, CLK_DIVIDER_HIWORD_MASK), DEF_FIXED("M0", R9A07G044_CLK_M0, CLK_PLL3_DIV2_4, 1, 1), DEF_FIXED("ZT", R9A07G044_CLK_ZT, CLK_PLL3_DIV2_4_2, 1, 1), DEF_MUX("HP", R9A07G044_CLK_HP, SEL_PLL6_2, sel_pll6_2, ARRAY_SIZE(sel_pll6_2), 0, CLK_MUX_HIWORD_MASK), DEF_FIXED("SPI0", R9A07G044_CLK_SPI0, CLK_DIV_PLL3_C, 1, 2), DEF_FIXED("SPI1", R9A07G044_CLK_SPI1, CLK_DIV_PLL3_C, 1, 4), DEF_SD_MUX("SD0", R9A07G044_CLK_SD0, SEL_SDHI0, sel_shdi, ARRAY_SIZE(sel_shdi)), DEF_SD_MUX("SD1", R9A07G044_CLK_SD1, SEL_SDHI1, sel_shdi, ARRAY_SIZE(sel_shdi)), DEF_FIXED("SD0_DIV4", CLK_SD0_DIV4, R9A07G044_CLK_SD0, 1, 4), DEF_FIXED("SD1_DIV4", CLK_SD1_DIV4, R9A07G044_CLK_SD1, 1, 4), DEF_DIV("G", R9A07G044_CLK_G, CLK_SEL_GPU2, DIVGPU, dtable_1_8, CLK_DIVIDER_HIWORD_MASK), }, #ifdef CONFIG_CLK_R9A07G054 .drp = { }, #endif }; static const struct { struct rzg2l_mod_clk common[62]; #ifdef CONFIG_CLK_R9A07G054 struct rzg2l_mod_clk drp[0]; #endif } mod_clks = { .common = { DEF_MOD("gic", R9A07G044_GIC600_GICCLK, R9A07G044_CLK_P1, 0x514, 0), DEF_MOD("ia55_pclk", R9A07G044_IA55_PCLK, R9A07G044_CLK_P2, 0x518, 0), DEF_MOD("ia55_clk", R9A07G044_IA55_CLK, R9A07G044_CLK_P1, 0x518, 1), DEF_MOD("dmac_aclk", R9A07G044_DMAC_ACLK, R9A07G044_CLK_P1, 0x52c, 0), DEF_MOD("dmac_pclk", R9A07G044_DMAC_PCLK, CLK_P1_DIV2, 0x52c, 1), DEF_MOD("ostm0_pclk", R9A07G044_OSTM0_PCLK, R9A07G044_CLK_P0, 0x534, 0), DEF_MOD("ostm1_clk", R9A07G044_OSTM1_PCLK, R9A07G044_CLK_P0, 0x534, 1), DEF_MOD("ostm2_pclk", R9A07G044_OSTM2_PCLK, R9A07G044_CLK_P0, 0x534, 2), DEF_MOD("wdt0_pclk", R9A07G044_WDT0_PCLK, R9A07G044_CLK_P0, 0x548, 0), DEF_MOD("wdt0_clk", R9A07G044_WDT0_CLK, R9A07G044_OSCCLK, 0x548, 1), DEF_MOD("wdt1_pclk", R9A07G044_WDT1_PCLK, R9A07G044_CLK_P0, 0x548, 2), DEF_MOD("wdt1_clk", R9A07G044_WDT1_CLK, R9A07G044_OSCCLK, 0x548, 3), DEF_MOD("wdt2_pclk", R9A07G044_WDT2_PCLK, R9A07G044_CLK_P0, 0x548, 4), DEF_MOD("wdt2_clk", R9A07G044_WDT2_CLK, R9A07G044_OSCCLK, 0x548, 5), DEF_MOD("spi_clk2", R9A07G044_SPI_CLK2, R9A07G044_CLK_SPI1, 0x550, 0), DEF_MOD("spi_clk", R9A07G044_SPI_CLK, R9A07G044_CLK_SPI0, 0x550, 1), DEF_MOD("sdhi0_imclk", R9A07G044_SDHI0_IMCLK, CLK_SD0_DIV4, 0x554, 0), DEF_MOD("sdhi0_imclk2", R9A07G044_SDHI0_IMCLK2, CLK_SD0_DIV4, 0x554, 1), DEF_MOD("sdhi0_clk_hs", R9A07G044_SDHI0_CLK_HS, R9A07G044_CLK_SD0, 0x554, 2), DEF_MOD("sdhi0_aclk", R9A07G044_SDHI0_ACLK, R9A07G044_CLK_P1, 0x554, 3), DEF_MOD("sdhi1_imclk", R9A07G044_SDHI1_IMCLK, CLK_SD1_DIV4, 0x554, 4), DEF_MOD("sdhi1_imclk2", R9A07G044_SDHI1_IMCLK2, CLK_SD1_DIV4, 0x554, 5), DEF_MOD("sdhi1_clk_hs", R9A07G044_SDHI1_CLK_HS, R9A07G044_CLK_SD1, 0x554, 6), DEF_MOD("sdhi1_aclk", R9A07G044_SDHI1_ACLK, R9A07G044_CLK_P1, 0x554, 7), DEF_MOD("gpu_clk", R9A07G044_GPU_CLK, R9A07G044_CLK_G, 0x558, 0), DEF_MOD("gpu_axi_clk", R9A07G044_GPU_AXI_CLK, R9A07G044_CLK_P1, 0x558, 1), DEF_MOD("gpu_ace_clk", R9A07G044_GPU_ACE_CLK, R9A07G044_CLK_P1, 0x558, 2), DEF_MOD("ssi0_pclk", R9A07G044_SSI0_PCLK2, R9A07G044_CLK_P0, 0x570, 0), DEF_MOD("ssi0_sfr", R9A07G044_SSI0_PCLK_SFR, R9A07G044_CLK_P0, 0x570, 1), DEF_MOD("ssi1_pclk", R9A07G044_SSI1_PCLK2, R9A07G044_CLK_P0, 0x570, 2), DEF_MOD("ssi1_sfr", R9A07G044_SSI1_PCLK_SFR, R9A07G044_CLK_P0, 0x570, 3), DEF_MOD("ssi2_pclk", R9A07G044_SSI2_PCLK2, R9A07G044_CLK_P0, 0x570, 4), DEF_MOD("ssi2_sfr", R9A07G044_SSI2_PCLK_SFR, R9A07G044_CLK_P0, 0x570, 5), DEF_MOD("ssi3_pclk", R9A07G044_SSI3_PCLK2, R9A07G044_CLK_P0, 0x570, 6), DEF_MOD("ssi3_sfr", R9A07G044_SSI3_PCLK_SFR, R9A07G044_CLK_P0, 0x570, 7), DEF_MOD("usb0_host", R9A07G044_USB_U2H0_HCLK, R9A07G044_CLK_P1, 0x578, 0), DEF_MOD("usb1_host", R9A07G044_USB_U2H1_HCLK, R9A07G044_CLK_P1, 0x578, 1), DEF_MOD("usb0_func", R9A07G044_USB_U2P_EXR_CPUCLK, R9A07G044_CLK_P1, 0x578, 2), DEF_MOD("usb_pclk", R9A07G044_USB_PCLK, R9A07G044_CLK_P1, 0x578, 3), DEF_COUPLED("eth0_axi", R9A07G044_ETH0_CLK_AXI, R9A07G044_CLK_M0, 0x57c, 0), DEF_COUPLED("eth0_chi", R9A07G044_ETH0_CLK_CHI, R9A07G044_CLK_ZT, 0x57c, 0), DEF_COUPLED("eth1_axi", R9A07G044_ETH1_CLK_AXI, R9A07G044_CLK_M0, 0x57c, 1), DEF_COUPLED("eth1_chi", R9A07G044_ETH1_CLK_CHI, R9A07G044_CLK_ZT, 0x57c, 1), DEF_MOD("i2c0", R9A07G044_I2C0_PCLK, R9A07G044_CLK_P0, 0x580, 0), DEF_MOD("i2c1", R9A07G044_I2C1_PCLK, R9A07G044_CLK_P0, 0x580, 1), DEF_MOD("i2c2", R9A07G044_I2C2_PCLK, R9A07G044_CLK_P0, 0x580, 2), DEF_MOD("i2c3", R9A07G044_I2C3_PCLK, R9A07G044_CLK_P0, 0x580, 3), DEF_MOD("scif0", R9A07G044_SCIF0_CLK_PCK, R9A07G044_CLK_P0, 0x584, 0), DEF_MOD("scif1", R9A07G044_SCIF1_CLK_PCK, R9A07G044_CLK_P0, 0x584, 1), DEF_MOD("scif2", R9A07G044_SCIF2_CLK_PCK, R9A07G044_CLK_P0, 0x584, 2), DEF_MOD("scif3", R9A07G044_SCIF3_CLK_PCK, R9A07G044_CLK_P0, 0x584, 3), DEF_MOD("scif4", R9A07G044_SCIF4_CLK_PCK, R9A07G044_CLK_P0, 0x584, 4), DEF_MOD("sci0", R9A07G044_SCI0_CLKP, R9A07G044_CLK_P0, 0x588, 0), DEF_MOD("sci1", R9A07G044_SCI1_CLKP, R9A07G044_CLK_P0, 0x588, 1), DEF_MOD("rspi0", R9A07G044_RSPI0_CLKB, R9A07G044_CLK_P0, 0x590, 0), DEF_MOD("rspi1", R9A07G044_RSPI1_CLKB, R9A07G044_CLK_P0, 0x590, 1), DEF_MOD("rspi2", R9A07G044_RSPI2_CLKB, R9A07G044_CLK_P0, 0x590, 2), DEF_MOD("canfd", R9A07G044_CANFD_PCLK, R9A07G044_CLK_P0, 0x594, 0), DEF_MOD("gpio", R9A07G044_GPIO_HCLK, R9A07G044_OSCCLK, 0x598, 0), DEF_MOD("adc_adclk", R9A07G044_ADC_ADCLK, R9A07G044_CLK_TSU, 0x5a8, 0), DEF_MOD("adc_pclk", R9A07G044_ADC_PCLK, R9A07G044_CLK_P0, 0x5a8, 1), DEF_MOD("tsu_pclk", R9A07G044_TSU_PCLK, R9A07G044_CLK_TSU, 0x5ac, 0), }, #ifdef CONFIG_CLK_R9A07G054 .drp = { }, #endif }; static struct rzg2l_reset r9a07g044_resets[] = { DEF_RST(R9A07G044_GIC600_GICRESET_N, 0x814, 0), DEF_RST(R9A07G044_GIC600_DBG_GICRESET_N, 0x814, 1), DEF_RST(R9A07G044_IA55_RESETN, 0x818, 0), DEF_RST(R9A07G044_DMAC_ARESETN, 0x82c, 0), DEF_RST(R9A07G044_DMAC_RST_ASYNC, 0x82c, 1), DEF_RST(R9A07G044_OSTM0_PRESETZ, 0x834, 0), DEF_RST(R9A07G044_OSTM1_PRESETZ, 0x834, 1), DEF_RST(R9A07G044_OSTM2_PRESETZ, 0x834, 2), DEF_RST(R9A07G044_WDT0_PRESETN, 0x848, 0), DEF_RST(R9A07G044_WDT1_PRESETN, 0x848, 1), DEF_RST(R9A07G044_WDT2_PRESETN, 0x848, 2), DEF_RST(R9A07G044_SPI_RST, 0x850, 0), DEF_RST(R9A07G044_SDHI0_IXRST, 0x854, 0), DEF_RST(R9A07G044_SDHI1_IXRST, 0x854, 1), DEF_RST(R9A07G044_GPU_RESETN, 0x858, 0), DEF_RST(R9A07G044_GPU_AXI_RESETN, 0x858, 1), DEF_RST(R9A07G044_GPU_ACE_RESETN, 0x858, 2), DEF_RST(R9A07G044_SSI0_RST_M2_REG, 0x870, 0), DEF_RST(R9A07G044_SSI1_RST_M2_REG, 0x870, 1), DEF_RST(R9A07G044_SSI2_RST_M2_REG, 0x870, 2), DEF_RST(R9A07G044_SSI3_RST_M2_REG, 0x870, 3), DEF_RST(R9A07G044_USB_U2H0_HRESETN, 0x878, 0), DEF_RST(R9A07G044_USB_U2H1_HRESETN, 0x878, 1), DEF_RST(R9A07G044_USB_U2P_EXL_SYSRST, 0x878, 2), DEF_RST(R9A07G044_USB_PRESETN, 0x878, 3), DEF_RST(R9A07G044_ETH0_RST_HW_N, 0x87c, 0), DEF_RST(R9A07G044_ETH1_RST_HW_N, 0x87c, 1), DEF_RST(R9A07G044_I2C0_MRST, 0x880, 0), DEF_RST(R9A07G044_I2C1_MRST, 0x880, 1), DEF_RST(R9A07G044_I2C2_MRST, 0x880, 2), DEF_RST(R9A07G044_I2C3_MRST, 0x880, 3), DEF_RST(R9A07G044_SCIF0_RST_SYSTEM_N, 0x884, 0), DEF_RST(R9A07G044_SCIF1_RST_SYSTEM_N, 0x884, 1), DEF_RST(R9A07G044_SCIF2_RST_SYSTEM_N, 0x884, 2), DEF_RST(R9A07G044_SCIF3_RST_SYSTEM_N, 0x884, 3), DEF_RST(R9A07G044_SCIF4_RST_SYSTEM_N, 0x884, 4), DEF_RST(R9A07G044_SCI0_RST, 0x888, 0), DEF_RST(R9A07G044_SCI1_RST, 0x888, 1), DEF_RST(R9A07G044_RSPI0_RST, 0x890, 0), DEF_RST(R9A07G044_RSPI1_RST, 0x890, 1), DEF_RST(R9A07G044_RSPI2_RST, 0x890, 2), DEF_RST(R9A07G044_CANFD_RSTP_N, 0x894, 0), DEF_RST(R9A07G044_CANFD_RSTC_N, 0x894, 1), DEF_RST(R9A07G044_GPIO_RSTN, 0x898, 0), DEF_RST(R9A07G044_GPIO_PORT_RESETN, 0x898, 1), DEF_RST(R9A07G044_GPIO_SPARE_RESETN, 0x898, 2), DEF_RST(R9A07G044_ADC_PRESETN, 0x8a8, 0), DEF_RST(R9A07G044_ADC_ADRST_N, 0x8a8, 1), DEF_RST(R9A07G044_TSU_PRESETN, 0x8ac, 0), }; static const unsigned int r9a07g044_crit_mod_clks[] __initconst = { MOD_CLK_BASE + R9A07G044_GIC600_GICCLK, MOD_CLK_BASE + R9A07G044_IA55_CLK, MOD_CLK_BASE + R9A07G044_DMAC_ACLK, }; const struct rzg2l_cpg_info r9a07g044_cpg_info = { /* Core Clocks */ .core_clks = core_clks.common, .num_core_clks = ARRAY_SIZE(core_clks.common), .last_dt_core_clk = LAST_DT_CORE_CLK, .num_total_core_clks = MOD_CLK_BASE, /* Critical Module Clocks */ .crit_mod_clks = r9a07g044_crit_mod_clks, .num_crit_mod_clks = ARRAY_SIZE(r9a07g044_crit_mod_clks), /* Module Clocks */ .mod_clks = mod_clks.common, .num_mod_clks = ARRAY_SIZE(mod_clks.common), .num_hw_mod_clks = R9A07G044_TSU_PCLK + 1, /* Resets */ .resets = r9a07g044_resets, .num_resets = R9A07G044_TSU_PRESETN + 1, /* Last reset ID + 1 */ }; #ifdef CONFIG_CLK_R9A07G054 const struct rzg2l_cpg_info r9a07g054_cpg_info = { /* Core Clocks */ .core_clks = core_clks.common, .num_core_clks = ARRAY_SIZE(core_clks.common) + ARRAY_SIZE(core_clks.drp), .last_dt_core_clk = LAST_DT_CORE_CLK, .num_total_core_clks = MOD_CLK_BASE, /* Critical Module Clocks */ .crit_mod_clks = r9a07g044_crit_mod_clks, .num_crit_mod_clks = ARRAY_SIZE(r9a07g044_crit_mod_clks), /* Module Clocks */ .mod_clks = mod_clks.common, .num_mod_clks = ARRAY_SIZE(mod_clks.common) + ARRAY_SIZE(mod_clks.drp), .num_hw_mod_clks = R9A07G054_STPAI_ACLK_DRP + 1, /* Resets */ .resets = r9a07g044_resets, .num_resets = R9A07G054_STPAI_ARESETN + 1, /* Last reset ID + 1 */ }; #endif