// 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";
};