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