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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2020 Rockchip Electronics Co., Ltd
* Copyright (c) 2024 Radxa Limited
* Copyright (c) 2024 Yao Zi <ziyao@disroot.org>
*/
/dts-v1/;
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include "rk3528.dtsi"
/ {
model = "Radxa E20C";
compatible = "radxa,e20c", "rockchip,rk3528";
aliases {
mmc0 = &sdhci;
};
chosen {
stdout-path = "serial0:1500000n8";
};
adc-keys {
compatible = "adc-keys";
io-channels = <&saradc 0>;
io-channel-names = "buttons";
keyup-threshold-microvolt = <1800000>;
poll-interval = <100>;
button-maskrom {
label = "MASKROM";
linux,code = <KEY_SETUP>;
press-threshold-microvolt = <0>;
};
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&user_key>;
button-user {
gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
label = "USER";
linux,code = <BTN_1>;
wakeup-source;
};
};
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&lan_led_g>, <&sys_led_g>, <&wan_led_g>;
led-lan {
color = <LED_COLOR_ID_GREEN>;
default-state = "off";
function = LED_FUNCTION_LAN;
gpios = <&gpio4 RK_PB5 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "netdev";
};
led-sys {
color = <LED_COLOR_ID_GREEN>;
default-state = "on";
function = LED_FUNCTION_HEARTBEAT;
gpios = <&gpio4 RK_PC1 GPIO_ACTIVE_LOW>;
linux,default-trigger = "heartbeat";
};
led-wan {
color = <LED_COLOR_ID_GREEN>;
default-state = "off";
function = LED_FUNCTION_WAN;
gpios = <&gpio4 RK_PC0 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "netdev";
};
};
vcc_1v8: regulator-1v8-vcc {
compatible = "regulator-fixed";
regulator-name = "vcc_1v8";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
vin-supply = <&vcc_3v3>;
};
vcc_3v3: regulator-3v3-vcc {
compatible = "regulator-fixed";
regulator-name = "vcc_3v3";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&vcc5v0_sys>;
};
vcc5v0_sys: regulator-5v0-vcc-sys {
compatible = "regulator-fixed";
regulator-name = "vcc5v0_sys";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
};
&pinctrl {
gpio-keys {
user_key: user-key {
rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
leds {
lan_led_g: lan-led-g {
rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
};
sys_led_g: sys-led-g {
rockchip,pins = <4 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>;
};
wan_led_g: wan-led-g {
rockchip,pins = <4 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
};
&saradc {
vref-supply = <&vcc_1v8>;
status = "okay";
};
&sdhci {
bus-width = <8>;
cap-mmc-highspeed;
no-sd;
no-sdio;
non-removable;
vmmc-supply = <&vcc_3v3>;
vqmmc-supply = <&vcc_1v8>;
status = "okay";
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0m0_xfer>;
status = "okay";
};
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