1// SPDX-License-Identifier: (GPL-2.0 or MIT) 2/* 3 * Device Tree Source for the Spider CPU board 4 * 5 * Copyright (C) 2021 Renesas Electronics Corp. 6 */ 7 8#include <dt-bindings/gpio/gpio.h> 9#include <dt-bindings/leds/common.h> 10 11#include "r8a779f0.dtsi" 12 13/ { 14 model = "Renesas Spider CPU board"; 15 compatible = "renesas,spider-cpu", "renesas,r8a779f0"; 16 17 aliases { 18 serial0 = &hscif0; 19 serial1 = &scif0; 20 }; 21 22 chosen { 23 bootargs = "ignore_loglevel rw root=/dev/nfs ip=on"; 24 stdout-path = "serial0:1843200n8"; 25 }; 26 27 leds { 28 compatible = "gpio-leds"; 29 30 led-7 { 31 gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>; 32 color = <LED_COLOR_ID_GREEN>; 33 function = LED_FUNCTION_INDICATOR; 34 function-enumerator = <7>; 35 }; 36 37 led-8 { 38 gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>; 39 color = <LED_COLOR_ID_GREEN>; 40 function = LED_FUNCTION_INDICATOR; 41 function-enumerator = <8>; 42 }; 43 }; 44 45 memory@48000000 { 46 device_type = "memory"; 47 /* first 128MB is reserved for secure area. */ 48 reg = <0x0 0x48000000 0x0 0x78000000>; 49 }; 50 51 memory@480000000 { 52 device_type = "memory"; 53 reg = <0x4 0x80000000 0x0 0x80000000>; 54 }; 55 56 rc21012_ufs: clk-rc21012-ufs { 57 compatible = "fixed-clock"; 58 clock-frequency = <38400000>; 59 #clock-cells = <0>; 60 }; 61 62 reg_1p8v: regulator-1p8v { 63 compatible = "regulator-fixed"; 64 regulator-name = "fixed-1.8V"; 65 regulator-min-microvolt = <1800000>; 66 regulator-max-microvolt = <1800000>; 67 regulator-boot-on; 68 regulator-always-on; 69 }; 70 71 reg_3p3v: regulator-3p3v { 72 compatible = "regulator-fixed"; 73 regulator-name = "fixed-3.3V"; 74 regulator-min-microvolt = <3300000>; 75 regulator-max-microvolt = <3300000>; 76 regulator-boot-on; 77 regulator-always-on; 78 }; 79}; 80 81&extal_clk { 82 clock-frequency = <20000000>; 83}; 84 85&extalr_clk { 86 clock-frequency = <32768>; 87}; 88 89&hscif0 { 90 pinctrl-0 = <&hscif0_pins>; 91 pinctrl-names = "default"; 92 93 uart-has-rtscts; 94 status = "okay"; 95}; 96 97&i2c0 { 98 pinctrl-0 = <&i2c0_pins>; 99 pinctrl-names = "default"; 100 101 status = "okay"; 102 clock-frequency = <400000>; 103 104 gpio_exp_20: gpio@20 { 105 compatible = "ti,tca9554"; 106 reg = <0x20>; 107 gpio-controller; 108 #gpio-cells = <2>; 109 }; 110}; 111 112&i2c4 { 113 pinctrl-0 = <&i2c4_pins>; 114 pinctrl-names = "default"; 115 116 status = "okay"; 117 clock-frequency = <400000>; 118 119 eeprom@50 { 120 compatible = "rohm,br24g01", "atmel,24c01"; 121 label = "cpu-board"; 122 reg = <0x50>; 123 pagesize = <8>; 124 }; 125}; 126 127/* 128 * This board also has a microSD slot which we will not support upstream 129 * because we cannot directly switch voltages in software. 130 */ 131&mmc0 { 132 pinctrl-0 = <&mmc_pins>; 133 pinctrl-1 = <&mmc_pins>; 134 pinctrl-names = "default", "state_uhs"; 135 136 vmmc-supply = <®_3p3v>; 137 vqmmc-supply = <®_1p8v>; 138 mmc-hs200-1_8v; 139 mmc-hs400-1_8v; 140 bus-width = <8>; 141 no-sd; 142 no-sdio; 143 non-removable; 144 full-pwr-cycle-in-suspend; 145 status = "okay"; 146}; 147 148&pfc { 149 pinctrl-0 = <&scif_clk_pins>; 150 pinctrl-names = "default"; 151 152 hscif0_pins: hscif0 { 153 groups = "hscif0_data", "hscif0_ctrl"; 154 function = "hscif0"; 155 }; 156 157 i2c0_pins: i2c0 { 158 groups = "i2c0"; 159 function = "i2c0"; 160 }; 161 162 i2c4_pins: i2c4 { 163 groups = "i2c4"; 164 function = "i2c4"; 165 }; 166 167 mmc_pins: mmc { 168 groups = "mmc_data8", "mmc_ctrl", "mmc_ds"; 169 function = "mmc"; 170 power-source = <1800>; 171 }; 172 173 scif0_pins: scif0 { 174 groups = "scif0_data", "scif0_ctrl"; 175 function = "scif0"; 176 }; 177 178 scif_clk_pins: scif_clk { 179 groups = "scif_clk"; 180 function = "scif_clk"; 181 }; 182}; 183 184&rwdt { 185 timeout-sec = <60>; 186 status = "okay"; 187}; 188 189&scif0 { 190 pinctrl-0 = <&scif0_pins>; 191 pinctrl-names = "default"; 192 193 uart-has-rtscts; 194 status = "okay"; 195}; 196 197&scif_clk { 198 clock-frequency = <24000000>; 199}; 200 201&ufs { 202 status = "okay"; 203}; 204 205&ufs30_clk { 206 compatible = "gpio-gate-clock"; 207 clocks = <&rc21012_ufs>; 208 enable-gpios = <&gpio_exp_20 4 GPIO_ACTIVE_LOW>; 209 /delete-property/ clock-frequency; 210}; 211