|  | // SPDX-License-Identifier: GPL-2.0 | 
|  | /* | 
|  | * RZ/G2L CPG driver | 
|  | * | 
|  | * Copyright (C) 2021 Renesas Electronics Corp. | 
|  | */ | 
|  |  | 
|  | #include <linux/clk-provider.h> | 
|  | #include <linux/device.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/kernel.h> | 
|  |  | 
|  | #include <dt-bindings/clock/r9a07g044-cpg.h> | 
|  |  | 
|  | #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, 133, 2), | 
|  | DEF_FIXED(".pll3", CLK_PLL3, CLK_EXTAL, 133, 2), | 
|  |  | 
|  | 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), | 
|  | }; |