// SPDX-License-Identifier: GPL-2.0 /* * RZ/G2L CPG driver * * Copyright (C) 2021 Renesas Electronics Corp. */ #include #include #include #include #include #include "rzg2l-cpg.h" enum clk_ids { /* Core Clock Outputs exported to DT */ LAST_DT_CORE_CLK = R9A07G044_CLK_P0_DIV2, /* External Input Clocks */ CLK_EXTAL, /* Internal Core Clocks */ CLK_OSC_DIV1000, CLK_PLL1, CLK_PLL2, CLK_PLL2_DIV2, CLK_PLL2_DIV16, CLK_PLL2_DIV20, CLK_PLL3, CLK_PLL3_DIV2, CLK_PLL3_DIV2_4, CLK_PLL3_DIV2_4_2, CLK_PLL3_DIV4, CLK_PLL4, CLK_PLL5, CLK_PLL5_DIV2, CLK_PLL6, CLK_P1_DIV2, /* Module Clocks */ MOD_CLK_BASE, }; /* Divider tables */ static const struct clk_div_table dtable_1_32[] = { {0, 1}, {1, 2}, {2, 4}, {3, 8}, {4, 32}, {0, 0}, }; static const struct cpg_core_clk r9a07g044_core_clks[] __initconst = { /* 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(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 1, 2), DEF_FIXED(".pll2_div16", CLK_PLL2_DIV16, CLK_PLL2, 1, 16), DEF_FIXED(".pll2_div20", CLK_PLL2_DIV20, CLK_PLL2, 1, 20), DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 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_FIXED(".pll3_div4", CLK_PLL3_DIV4, CLK_PLL3, 1, 4), /* Core output clk */ DEF_FIXED("I", R9A07G044_CLK_I, CLK_PLL1, 1, 1), DEF_DIV("P0", R9A07G044_CLK_P0, CLK_PLL2_DIV16, 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_DIV20, 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), }; static struct rzg2l_mod_clk r9a07g044_mod_clks[] = { 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("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_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("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), }; 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_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_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_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), }; 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 = r9a07g044_core_clks, .num_core_clks = ARRAY_SIZE(r9a07g044_core_clks), .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 = r9a07g044_mod_clks, .num_mod_clks = ARRAY_SIZE(r9a07g044_mod_clks), .num_hw_mod_clks = R9A07G044_TSU_PCLK + 1, /* Resets */ .resets = r9a07g044_resets, .num_resets = ARRAY_SIZE(r9a07g044_resets), };