1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2/* 3 * Device Tree Source for the White Hawk CPU board 4 * 5 * Copyright (C) 2022 Renesas Electronics Corp. 6 */ 7 8#include "r8a779g0.dtsi" 9 10#include <dt-bindings/gpio/gpio.h> 11#include <dt-bindings/input/input.h> 12#include <dt-bindings/leds/common.h> 13 14/ { 15 model = "Renesas White Hawk CPU board"; 16 compatible = "renesas,white-hawk-cpu", "renesas,r8a779g0"; 17 18 aliases { 19 ethernet0 = &avb0; 20 serial0 = &hscif0; 21 }; 22 23 chosen { 24 stdout-path = "serial0:921600n8"; 25 }; 26 27 keys { 28 compatible = "gpio-keys"; 29 30 pinctrl-0 = <&keys_pins>; 31 pinctrl-names = "default"; 32 33 key-1 { 34 gpios = <&gpio5 0 GPIO_ACTIVE_LOW>; 35 linux,code = <KEY_1>; 36 label = "SW47"; 37 wakeup-source; 38 debounce-interval = <20>; 39 }; 40 41 key-2 { 42 gpios = <&gpio5 1 GPIO_ACTIVE_LOW>; 43 linux,code = <KEY_2>; 44 label = "SW48"; 45 wakeup-source; 46 debounce-interval = <20>; 47 }; 48 49 key-3 { 50 gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; 51 linux,code = <KEY_3>; 52 label = "SW49"; 53 wakeup-source; 54 debounce-interval = <20>; 55 }; 56 }; 57 58 leds { 59 compatible = "gpio-leds"; 60 61 led-1 { 62 gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>; 63 color = <LED_COLOR_ID_GREEN>; 64 function = LED_FUNCTION_INDICATOR; 65 function-enumerator = <1>; 66 }; 67 68 led-2 { 69 gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>; 70 color = <LED_COLOR_ID_GREEN>; 71 function = LED_FUNCTION_INDICATOR; 72 function-enumerator = <2>; 73 }; 74 75 led-3 { 76 gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>; 77 color = <LED_COLOR_ID_GREEN>; 78 function = LED_FUNCTION_INDICATOR; 79 function-enumerator = <3>; 80 }; 81 }; 82 83 memory@48000000 { 84 device_type = "memory"; 85 /* first 128MB is reserved for secure area. */ 86 reg = <0x0 0x48000000 0x0 0x78000000>; 87 }; 88 89 memory@480000000 { 90 device_type = "memory"; 91 reg = <0x4 0x80000000 0x0 0x80000000>; 92 }; 93 94 memory@600000000 { 95 device_type = "memory"; 96 reg = <0x6 0x00000000 0x1 0x00000000>; 97 }; 98}; 99 100&avb0 { 101 pinctrl-0 = <&avb0_pins>; 102 pinctrl-names = "default"; 103 phy-handle = <&phy0>; 104 tx-internal-delay-ps = <2000>; 105 status = "okay"; 106 107 phy0: ethernet-phy@0 { 108 compatible = "ethernet-phy-id0022.1622", 109 "ethernet-phy-ieee802.3-c22"; 110 rxc-skew-ps = <1500>; 111 reg = <0>; 112 interrupt-parent = <&gpio7>; 113 interrupts = <5 IRQ_TYPE_LEVEL_LOW>; 114 reset-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>; 115 }; 116}; 117 118&extal_clk { 119 clock-frequency = <16666666>; 120}; 121 122&extalr_clk { 123 clock-frequency = <32768>; 124}; 125 126&hscif0 { 127 status = "okay"; 128}; 129 130&i2c0 { 131 pinctrl-0 = <&i2c0_pins>; 132 pinctrl-names = "default"; 133 134 status = "okay"; 135 clock-frequency = <400000>; 136 137 eeprom@50 { 138 compatible = "rohm,br24g01", "atmel,24c01"; 139 label = "cpu-board"; 140 reg = <0x50>; 141 pagesize = <8>; 142 }; 143}; 144 145&pfc { 146 pinctrl-0 = <&scif_clk_pins>; 147 pinctrl-names = "default"; 148 149 avb0_pins: avb0 { 150 mux { 151 groups = "avb0_link", "avb0_mdio", "avb0_rgmii", 152 "avb0_txcrefclk"; 153 function = "avb0"; 154 }; 155 156 pins_mdio { 157 groups = "avb0_mdio"; 158 drive-strength = <21>; 159 }; 160 161 pins_mii { 162 groups = "avb0_rgmii"; 163 drive-strength = <21>; 164 }; 165 166 }; 167 hscif0_pins: hscif0 { 168 groups = "hscif0_data"; 169 function = "hscif0"; 170 }; 171 172 i2c0_pins: i2c0 { 173 groups = "i2c0"; 174 function = "i2c0"; 175 }; 176 177 keys_pins: keys { 178 pins = "GP_5_0", "GP_5_1", "GP_5_2"; 179 bias-pull-up; 180 }; 181 182 scif_clk_pins: scif_clk { 183 groups = "scif_clk"; 184 function = "scif_clk"; 185 }; 186}; 187 188&scif_clk { 189 clock-frequency = <24000000>; 190}; 191 192&rwdt { 193 timeout-sec = <60>; 194 status = "okay"; 195}; 196