197 lines
3.4 KiB
Plaintext
197 lines
3.4 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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/*
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* Device Tree Source for the White Hawk CPU board
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*
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* Copyright (C) 2022 Renesas Electronics Corp.
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*/
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#include "r8a779g0.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/leds/common.h>
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/ {
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model = "Renesas White Hawk CPU board";
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compatible = "renesas,white-hawk-cpu", "renesas,r8a779g0";
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aliases {
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ethernet0 = &avb0;
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serial0 = &hscif0;
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};
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chosen {
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bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
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stdout-path = "serial0:921600n8";
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};
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keys {
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compatible = "gpio-keys";
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pinctrl-0 = <&keys_pins>;
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pinctrl-names = "default";
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key-1 {
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gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_1>;
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label = "SW47";
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wakeup-source;
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debounce-interval = <20>;
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};
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key-2 {
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gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_2>;
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label = "SW48";
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wakeup-source;
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debounce-interval = <20>;
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};
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key-3 {
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gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_3>;
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label = "SW49";
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wakeup-source;
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debounce-interval = <20>;
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};
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};
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leds {
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compatible = "gpio-leds";
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led-1 {
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gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>;
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color = <LED_COLOR_ID_GREEN>;
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function = LED_FUNCTION_INDICATOR;
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function-enumerator = <1>;
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};
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led-2 {
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gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>;
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color = <LED_COLOR_ID_GREEN>;
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function = LED_FUNCTION_INDICATOR;
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function-enumerator = <2>;
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};
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led-3 {
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gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>;
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color = <LED_COLOR_ID_GREEN>;
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function = LED_FUNCTION_INDICATOR;
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function-enumerator = <3>;
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};
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};
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memory@48000000 {
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device_type = "memory";
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/* first 128MB is reserved for secure area. */
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reg = <0x0 0x48000000 0x0 0x78000000>;
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};
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memory@480000000 {
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device_type = "memory";
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reg = <0x4 0x80000000 0x0 0x80000000>;
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};
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memory@600000000 {
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device_type = "memory";
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reg = <0x6 0x00000000 0x1 0x00000000>;
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};
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};
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&avb0 {
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pinctrl-0 = <&avb0_pins>;
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pinctrl-names = "default";
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phy-handle = <&phy0>;
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tx-internal-delay-ps = <2000>;
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status = "okay";
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phy0: ethernet-phy@0 {
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compatible = "ethernet-phy-id0022.1622",
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"ethernet-phy-ieee802.3-c22";
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rxc-skew-ps = <1500>;
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reg = <0>;
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interrupt-parent = <&gpio7>;
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interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
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reset-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>;
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};
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};
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&extal_clk {
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clock-frequency = <16666666>;
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};
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&extalr_clk {
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clock-frequency = <32768>;
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};
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&hscif0 {
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status = "okay";
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};
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&i2c0 {
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pinctrl-0 = <&i2c0_pins>;
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pinctrl-names = "default";
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status = "okay";
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clock-frequency = <400000>;
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eeprom@50 {
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compatible = "rohm,br24g01", "atmel,24c01";
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label = "cpu-board";
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reg = <0x50>;
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pagesize = <8>;
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};
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};
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&pfc {
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pinctrl-0 = <&scif_clk_pins>;
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pinctrl-names = "default";
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avb0_pins: avb0 {
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mux {
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groups = "avb0_link", "avb0_mdio", "avb0_rgmii",
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"avb0_txcrefclk";
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function = "avb0";
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};
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pins_mdio {
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groups = "avb0_mdio";
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drive-strength = <21>;
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};
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pins_mii {
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groups = "avb0_rgmii";
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drive-strength = <21>;
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};
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};
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hscif0_pins: hscif0 {
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groups = "hscif0_data";
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function = "hscif0";
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};
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i2c0_pins: i2c0 {
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groups = "i2c0";
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function = "i2c0";
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};
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keys_pins: keys {
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pins = "GP_5_0", "GP_5_1", "GP_5_2";
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bias-pull-up;
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};
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scif_clk_pins: scif_clk {
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groups = "scif_clk";
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function = "scif_clk";
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};
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};
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&scif_clk {
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clock-frequency = <24000000>;
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};
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&rwdt {
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timeout-sec = <60>;
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status = "okay";
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};
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