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 bootargs = "ignore_loglevel rw root=/dev/nfs ip=on"; 25 stdout-path = "serial0:921600n8"; 26 }; 27 28 keys { 29 compatible = "gpio-keys"; 30 31 pinctrl-0 = <&keys_pins>; 32 pinctrl-names = "default"; 33 34 key-1 { 35 gpios = <&gpio5 0 GPIO_ACTIVE_LOW>; 36 linux,code = <KEY_1>; 37 label = "SW47"; 38 wakeup-source; 39 debounce-interval = <20>; 40 }; 41 42 key-2 { 43 gpios = <&gpio5 1 GPIO_ACTIVE_LOW>; 44 linux,code = <KEY_2>; 45 label = "SW48"; 46 wakeup-source; 47 debounce-interval = <20>; 48 }; 49 50 key-3 { 51 gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; 52 linux,code = <KEY_3>; 53 label = "SW49"; 54 wakeup-source; 55 debounce-interval = <20>; 56 }; 57 }; 58 59 leds { 60 compatible = "gpio-leds"; 61 62 led-1 { 63 gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>; 64 color = <LED_COLOR_ID_GREEN>; 65 function = LED_FUNCTION_INDICATOR; 66 function-enumerator = <1>; 67 }; 68 69 led-2 { 70 gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>; 71 color = <LED_COLOR_ID_GREEN>; 72 function = LED_FUNCTION_INDICATOR; 73 function-enumerator = <2>; 74 }; 75 76 led-3 { 77 gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>; 78 color = <LED_COLOR_ID_GREEN>; 79 function = LED_FUNCTION_INDICATOR; 80 function-enumerator = <3>; 81 }; 82 }; 83 84 memory@48000000 { 85 device_type = "memory"; 86 /* first 128MB is reserved for secure area. */ 87 reg = <0x0 0x48000000 0x0 0x78000000>; 88 }; 89 90 memory@480000000 { 91 device_type = "memory"; 92 reg = <0x4 0x80000000 0x0 0x80000000>; 93 }; 94 95 memory@600000000 { 96 device_type = "memory"; 97 reg = <0x6 0x00000000 0x1 0x00000000>; 98 }; 99}; 100 101&avb0 { 102 pinctrl-0 = <&avb0_pins>; 103 pinctrl-names = "default"; 104 phy-handle = <&phy0>; 105 tx-internal-delay-ps = <2000>; 106 status = "okay"; 107 108 phy0: ethernet-phy@0 { 109 compatible = "ethernet-phy-id0022.1622", 110 "ethernet-phy-ieee802.3-c22"; 111 rxc-skew-ps = <1500>; 112 reg = <0>; 113 interrupt-parent = <&gpio7>; 114 interrupts = <5 IRQ_TYPE_LEVEL_LOW>; 115 reset-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>; 116 }; 117}; 118 119&extal_clk { 120 clock-frequency = <16666666>; 121}; 122 123&extalr_clk { 124 clock-frequency = <32768>; 125}; 126 127&hscif0 { 128 status = "okay"; 129}; 130 131&i2c0 { 132 pinctrl-0 = <&i2c0_pins>; 133 pinctrl-names = "default"; 134 135 status = "okay"; 136 clock-frequency = <400000>; 137 138 eeprom@50 { 139 compatible = "rohm,br24g01", "atmel,24c01"; 140 label = "cpu-board"; 141 reg = <0x50>; 142 pagesize = <8>; 143 }; 144}; 145 146&pfc { 147 pinctrl-0 = <&scif_clk_pins>; 148 pinctrl-names = "default"; 149 150 avb0_pins: avb0 { 151 mux { 152 groups = "avb0_link", "avb0_mdio", "avb0_rgmii", 153 "avb0_txcrefclk"; 154 function = "avb0"; 155 }; 156 157 pins_mdio { 158 groups = "avb0_mdio"; 159 drive-strength = <21>; 160 }; 161 162 pins_mii { 163 groups = "avb0_rgmii"; 164 drive-strength = <21>; 165 }; 166 167 }; 168 hscif0_pins: hscif0 { 169 groups = "hscif0_data"; 170 function = "hscif0"; 171 }; 172 173 i2c0_pins: i2c0 { 174 groups = "i2c0"; 175 function = "i2c0"; 176 }; 177 178 keys_pins: keys { 179 pins = "GP_5_0", "GP_5_1", "GP_5_2"; 180 bias-pull-up; 181 }; 182 183 scif_clk_pins: scif_clk { 184 groups = "scif_clk"; 185 function = "scif_clk"; 186 }; 187}; 188 189&scif_clk { 190 clock-frequency = <24000000>; 191}; 192 193&rwdt { 194 timeout-sec = <60>; 195 status = "okay"; 196}; 197