WhyCan Forum(哇酷开发者社区)

#include "sun8i-v3s.dtsi"

&ccu {
	compatible = "allwinner,sun8i-v3-ccu";
};

&emac {
	/delete-property/ phy-handle;
	/delete-property/ phy-mode;
};

&mdio_mux {
	external_mdio: mdio@2 {
		reg = <2>;
		#address-cells = <1>;
		#size-cells = <0>;
	};
};

&pio {
	compatible = "allwinner,sun8i-v3-pinctrl";
};

#include "sun8i-v3.dtsi"
#include "sunxi-common-regulators.dtsi"
#include <dt-bindings/input/input.h>

/ {
	model = "Lichee Pi Zero";
	compatible = "licheepi,licheepi-zero", "allwinner,sun8i-v3s";

	aliases {
		serial0 = &uart0;
	};

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

	leds {
		compatible = "gpio-leds";
		green_led {
			label = "green";
			linux,default-trigger = "heartbeat";
			gpios = <&pio 4 22 GPIO_ACTIVE_HIGH>; 
		};
	};
};

&spi0 {
    status = "okay";
    st7789v@0 {
            compatible = "sitronix,st7789v";
            reg = <0>;
            spi-max-frequency = <96000000>;
            rotate = <0>;
            rgb;
            width=<240>;
            height=<320>;
            fps = <30>;
            buswidth = <8>;
            led-gpios = <&pio 1 5 GPIO_ACTIVE_LOW>;
            reset-gpios = <&pio 1 6 GPIO_ACTIVE_HIGH>;
            dc-gpios = <&pio 1 7 GPIO_ACTIVE_HIGH>;
            debug = <0>;
    };
};

&codec {
	allwinner,audio-routing =
		"Headphone", "HP",
		"Headphone", "HPCOM";
	status = "okay";
};

&ehci0 {
	status = "okay";
};

&mmc0 {
	broken-cd;
	bus-width = <4>;
	vmmc-supply = <&reg_vcc3v3>;
	status = "okay";
};

&mmc1 {
	broken-cd;
	bus-width = <4>;
	vmmc-supply = <&reg_vcc3v3>;
	status = "okay";
};

&i2c0 {
	status = "disabled";

	ns2009: ns2009@48 {
		compatible = "nsiway,ns2009";
		reg = <0x48>;
	};
};

&ohci0 {
	status = "okay";
};

&uart0 {
	pinctrl-0 = <&uart0_pb_pins>;
	pinctrl-names = "default";
	status = "okay";
};
/*
&uart1 {
	pinctrl-0 = <&uart1_pins_a>;
	pinctrl-names = "default";
	status = "okay";
};
&uart2 {
	pinctrl-0 = <&uart2_pins_a>;
	pinctrl-names = "default";
	status = "okay";
};
*/
&usb_otg {
	dr_mode = "otg";
	status = "okay";
};
&usbphy {
	usb0_id_det-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
	status = "okay";
};

&lradc {
	vref-supply = <&reg_vcc3v3>;
	status = "okay";

	button@200 {
		label = "Volume Up";
		linux,code = <KEY_L>;
		channel = <0>;
		//voltage = <500000>;
		voltage = <550000>;
	};

	button@400 {
		label = "Volume Down";
		linux,code = <KEY_ENTER>;
		channel = <0>;
		//voltage = <1060000>;
		voltage = <1270000>;
	};

	button@600 {
		label = "Select";
		linux,code = <KEY_S>;
		channel = <0>;
		//voltage = <1560000>;
		voltage = <2030000>;
	};
};

echo 68 > /sys/class/gpio/export

echo out > /sys/class/gpio/gpio68/direction

echo 1 >/sys/class/gpio/gpio68/value

echo 0 >/sys/class/gpio/gpio68/value