arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts

// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
 * Copyright (C) 2023 Jisheng Zhang <jszhang@kernel.org>
 */

#include "th1520-lichee-module-4a.dtsi"
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "Sipeed Lichee Pi 4A";
	compatible = "sipeed,lichee-pi-4a", "sipeed,lichee-module-4a", "thead,th1520";

	aliases {
		gpio0 = &gpio0;
		gpio1 = &gpio1;
		gpio2 = &gpio2;
		gpio3 = &gpio3;
		gpio4 = &gpio4;
		gpio5 = &aogpio;
		serial0 = &uart0;
		serial1 = &uart1;
		serial2 = &uart2;
		serial3 = &uart3;
		serial4 = &uart4;
		serial5 = &uart5;
		spi0 = &spi0;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	hdmi-connector {
		compatible = "hdmi-connector";
		type = "a";

		port {
			hdmi_con_in: endpoint {
				remote-endpoint = <&hdmi_out_con>;
			};
		};
	};

	wifi_pwrseq: wifi-pwrseq {
		compatible = "mmc-pwrseq-simple";
		reset-gpios = <&ioexp2 4 GPIO_ACTIVE_LOW>;
		post-power-on-delay-ms = <200>;
	};

	thermal-zones {
		cpu-thermal {
			polling-delay = <1000>;
			polling-delay-passive = <1000>;
			thermal-sensors = <&pvt 0>;

			trips {
				fan_config0: fan-trip0 {
					temperature = <39000>;
					hysteresis = <5000>;
					type = "active";
				};

				fan_config1: fan-trip1 {
					temperature = <50000>;
					hysteresis = <5000>;
					type = "active";
				};

				fan_config2: fan-trip2 {
					temperature = <60000>;
					hysteresis = <5000>;
					type = "active";
				};
			};

			cooling-maps {
				map-active-0 {
					cooling-device = <&fan 1 1>;
					trip = <&fan_config0>;
				};

				map-active-1 {
					cooling-device = <&fan 2 2>;
					trip = <&fan_config1>;
				};

				map-active-2 {
					cooling-device = <&fan 3 3>;
					trip = <&fan_config2>;
				};
			};
		};
	};

	fan: pwm-fan {
		pinctrl-names = "default";
		pinctrl-0 = <&fan_pins>;
		compatible = "pwm-fan";
		#cooling-cells = <2>;
		pwms = <&pwm 1 10000000 0>;
		cooling-levels = <0 66 196 255>;
	};

};

&padctrl1_apsys {
	i2c1_pins: i2c1-0 {
		i2c-pins {
			pins = "I2C1_SCL", "I2C1_SDA";
			function = "i2c";
			bias-pull-up = <2100>;
			drive-strength = <7>;
			input-enable;
			input-schmitt-enable;
			slew-rate = <0>;
		};
	};
};

&padctrl0_apsys {
	fan_pins: fan-0 {
		pwm1-pins {
			pins = "GPIO3_3"; /* PWM1 */
			function = "pwm";
			bias-disable;
			drive-strength = <25>;
			input-disable;
			input-schmitt-disable;
			slew-rate = <0>;
		};
	};

	uart0_pins: uart0-0 {
		tx-pins {
			pins = "UART0_TXD";
			function = "uart";
			bias-disable;
			drive-strength = <3>;
			input-disable;
			input-schmitt-disable;
			slew-rate = <0>;
		};

		rx-pins {
			pins = "UART0_RXD";
			function = "uart";
			bias-disable;
			drive-strength = <1>;
			input-enable;
			input-schmitt-enable;
			slew-rate = <0>;
		};
	};
};

&i2c1 {
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&i2c1_pins>;
	status = "okay";

	ioexp2: gpio@18 {
		compatible = "nxp,pca9557";
		reg = <0x18>;
		gpio-controller;
		#gpio-cells = <2>;
	};
};

&sdio1 {
	#address-cells = <1>;
	#size-cells = <0>;
	bus-width = <4>;
	max-frequency = <198000000>;
	cap-sdio-irq;
	keep-power-in-suspend;
	mmc-pwrseq = <&wifi_pwrseq>;
	non-removable;
	status = "okay";
};

&dpu {
	status = "okay";
};

&hdmi {
	status = "okay";
};

&hdmi_out_port {
	hdmi_out_con: endpoint {
		remote-endpoint = <&hdmi_con_in>;
	};
};

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pins>;
	status = "okay";
};