1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2/* 3 * Device Tree Source for the R9A08G045S33 SMARC Carrier-II's SoM board. 4 * 5 * Copyright (C) 2023 Renesas Electronics Corp. 6 */ 7 8#include <dt-bindings/gpio/gpio.h> 9#include <dt-bindings/pinctrl/rzg2l-pinctrl.h> 10 11/* 12 * Signals of SW_CONFIG switches: 13 * @SW_SD0_DEV_SEL: 14 * 0 - SD0 is connected to eMMC 15 * 1 - SD0 is connected to uSD0 card 16 */ 17#define SW_SD0_DEV_SEL 1 18 19/ { 20 compatible = "renesas,rzg3s-smarcm", "renesas,r9a08g045s33", "renesas,r9a08g045"; 21 22 aliases { 23 mmc0 = &sdhi0; 24 }; 25 26 chosen { 27 bootargs = "ignore_loglevel"; 28 stdout-path = "serial0:115200n8"; 29 }; 30 31 memory@48000000 { 32 device_type = "memory"; 33 /* First 128MB is reserved for secure area. */ 34 reg = <0x0 0x48000000 0x0 0x38000000>; 35 }; 36 37 vcc_sdhi0: regulator0 { 38 compatible = "regulator-fixed"; 39 regulator-name = "SDHI0 Vcc"; 40 regulator-min-microvolt = <3300000>; 41 regulator-max-microvolt = <3300000>; 42 gpios = <&pinctrl RZG2L_GPIO(2, 1) GPIO_ACTIVE_HIGH>; 43 enable-active-high; 44 }; 45 46#if SW_SD0_DEV_SEL 47 vccq_sdhi0: regulator1 { 48 compatible = "regulator-gpio"; 49 regulator-name = "SDHI0 VccQ"; 50 regulator-min-microvolt = <1800000>; 51 regulator-max-microvolt = <3300000>; 52 gpios = <&pinctrl RZG2L_GPIO(2, 2) GPIO_ACTIVE_HIGH>; 53 gpios-states = <1>; 54 states = <3300000 1>, <1800000 0>; 55 }; 56#else 57 reg_1p8v: regulator1 { 58 compatible = "regulator-fixed"; 59 regulator-name = "fixed-1.8V"; 60 regulator-min-microvolt = <1800000>; 61 regulator-max-microvolt = <1800000>; 62 regulator-boot-on; 63 regulator-always-on; 64 }; 65#endif 66}; 67 68&extal_clk { 69 clock-frequency = <24000000>; 70}; 71 72#if SW_SD0_DEV_SEL 73/* SD0 slot */ 74&sdhi0 { 75 pinctrl-0 = <&sdhi0_pins>; 76 pinctrl-1 = <&sdhi0_uhs_pins>; 77 pinctrl-names = "default", "state_uhs"; 78 vmmc-supply = <&vcc_sdhi0>; 79 vqmmc-supply = <&vccq_sdhi0>; 80 bus-width = <4>; 81 sd-uhs-sdr50; 82 sd-uhs-sdr104; 83 max-frequency = <125000000>; 84 status = "okay"; 85}; 86#else 87/* eMMC */ 88&sdhi0 { 89 pinctrl-0 = <&sdhi0_emmc_pins>; 90 pinctrl-1 = <&sdhi0_emmc_pins>; 91 pinctrl-names = "default", "state_uhs"; 92 vmmc-supply = <&vcc_sdhi0>; 93 vqmmc-supply = <®_1p8v>; 94 bus-width = <8>; 95 mmc-hs200-1_8v; 96 non-removable; 97 fixed-emmc-driver-type = <1>; 98 max-frequency = <125000000>; 99 status = "okay"; 100}; 101#endif 102 103&pinctrl { 104 sdhi0_pins: sd0 { 105 data { 106 pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3"; 107 power-source = <3300>; 108 }; 109 110 ctrl { 111 pins = "SD0_CLK", "SD0_CMD"; 112 power-source = <3300>; 113 }; 114 115 cd { 116 pinmux = <RZG2L_PORT_PINMUX(0, 0, 1)>; /* SD0_CD */ 117 }; 118 }; 119 120 sdhi0_uhs_pins: sd0-uhs { 121 data { 122 pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3"; 123 power-source = <1800>; 124 }; 125 126 ctrl { 127 pins = "SD0_CLK", "SD0_CMD"; 128 power-source = <1800>; 129 }; 130 131 cd { 132 pinmux = <RZG2L_PORT_PINMUX(0, 0, 1)>; /* SD0_CD */ 133 }; 134 }; 135 136 sdhi0_emmc_pins: sd0-emmc { 137 pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3", 138 "SD0_DATA4", "SD0_DATA5", "SD0_DATA6", "SD0_DATA7", 139 "SD0_CLK", "SD0_CMD", "SD0_RST#"; 140 power-source = <1800>; 141 }; 142}; 143