blinky/boards/atguigu/mini_keyboard/mini_keyboard.dts

/dts-v1/;
#include <nordic/nrf52840_qiaa.dtsi>
#include "mini_keyboard-pinctrl.dtsi"
#include <zephyr/dt-bindings/adc/adc.h>
#include <zephyr/dt-bindings/mipi_dbi/mipi_dbi.h>
#include <zephyr/dt-bindings/pwm/pwm.h>

/ {
	model = "Mini keyboard";
	compatible = "atguigu,mini-keyboard";

	chosen {
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,code-partition = &slot0_partition;
		zephyr,display = &screen_lcd;
	};

	aliases {
        led0 = &myled0;
		qdec0 = &qdec;
		backlight = &backlight;
    };

	hid_kbd: hid_kbd {
		compatible = "zephyr,hid-device";
		label = "HID_KBD";
		protocol-code = "keyboard";
		in-report-size = <29>;
		out-report-size = <1>;
		in-polling-period-us = <1000>;
		out-polling-period-us = <1000>;
	};

	hid_consumer: hid_consumer {
		compatible = "zephyr,hid-device";
		label = "HID_CONSUMER";
		protocol-code = "none";
		in-report-size = <2>;
		in-polling-period-us = <1000>;
	};

	leds {
		compatible = "gpio-leds";
		myled0: led_0 {
			gpios = <&gpio1 2 GPIO_ACTIVE_LOW>;
		};
	};

	pwm_leds {
		compatible = "pwm-leds";
		status = "okay";

		backlight: pwm_led_0 {
			pwms = <&pwm0 0 PWM_MSEC(10) PWM_POLARITY_INVERTED>;
		};
	};

	mipi_dbi_screen: mipi_dbi_screen {
		compatible = "zephyr,mipi-dbi-spi";
		spi-dev = <&spi3>;
		dc-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
		reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
		write-only;
		#address-cells = <1>;
		#size-cells = <0>;

		screen_lcd: st7789v@0 {
			compatible = "sitronix,st7789v";
			status = "okay";
			reg = <0>;
			mipi-max-frequency = <32000000>;
			width = <320>;
			height = <172>;
			x-offset = <0>;
			y-offset = <34>;
			vcom = <0x34>;
			gctrl = <0x00>;
			mdac = <0x70>;
			gamma = <0x01>;
			colmod = <0x05>;
			lcm = <0x2c>;
			porch-param = [ 0c 0c 00 33 33  ];
			cmd2en-param = [ 5a 69 02 01  ];
			pwctrl1-param = [ a4 a1  ];
			pvgam-param = [ f0 04 08 0a 0a 05 25 33 3c 24 0e 0f 27 2f ];
			nvgam-param = [ f0 02 06 06 04 22 25 32 3b 3a 15 17 2d 37 ];
			ram-param = [ 00 f0  ];
			rgb-param = [ cd 08 14  ];
			ready-time-ms = <120>;
			mipi-mode = "MIPI_DBI_MODE_SPI_4WIRE";
		};
	};

	vbatt: vbatt {
		compatible = "voltage-divider";
		io-channels = <&adc 7>;
		output-ohms = <100000>;
		full-ohms = <200000>;
		power-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
		power-on-sample-delay-us = <200>;
	};

	mode_switch_adc: mode-switch-adc {
		compatible = "voltage-divider";
		io-channels = <&adc 5>;
		output-ohms = <1>;
		full-ohms = <1>;
	};
};

&flash0 {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		boot_partition: partition@0 {
			label = "mcuboot";
			reg = <0x00000000 DT_SIZE_K(48)>;
		};

		slot0_partition: partition@c000 {
			label = "image-0";
			reg = <0x0000c000 DT_SIZE_K(472)>;
		};

		slot1_partition: partition@82000 {
			label = "image-1";
			reg = <0x00082000 DT_SIZE_K(472)>;
		};

		storage_partition: partition@f8000 {
			label = "storage";
			reg = <0x000f8000 DT_SIZE_K(32)>;
		};
	};
};

&uicr {
	nfct-pins-as-gpios;
	gpio-as-nreset;
};

&adc {
	status = "okay";
	#address-cells = <1>;
	#size-cells = <0>;

	channel@5 {
		reg = <5>;
		zephyr,gain = "ADC_GAIN_1_6";
		zephyr,reference = "ADC_REF_INTERNAL";
		zephyr,acquisition-time = <ADC_ACQ_TIME(ADC_ACQ_TIME_MICROSECONDS, 40)>;
		zephyr,input-positive = <NRF_SAADC_AIN5>;
		zephyr,resolution = <12>;
		zephyr,oversampling = <4>;
	};

	channel@7 {
		reg = <7>;
		zephyr,gain = "ADC_GAIN_1_4";
		zephyr,reference = "ADC_REF_INTERNAL";
		zephyr,acquisition-time = <ADC_ACQ_TIME(ADC_ACQ_TIME_MICROSECONDS, 40)>;
		zephyr,input-positive = <NRF_SAADC_AIN7>;
		zephyr,resolution = <14>;
		zephyr,oversampling = <4>;
	};
};

&i2c0 {
	status = "okay";
	pinctrl-0 = <&i2c0_default>;
	pinctrl-1 = <&i2c0_sleep>;
	pinctrl-names = "default", "sleep";
	clock-frequency = <400000>;

	ip5306: pmic@75 {
		compatible = "injoinic,ip5306";
		reg = <0x75>;
		wakeup-gpios = <&gpio0 22 GPIO_ACTIVE_LOW>;
		keepalive-interval-ms = <8000>;
		keepalive-pulse-width-ms = <500>;
		keepalive-hardware;
		status = "okay";
	};
};

&gpio0 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&gpiote {
	status = "okay";
};

&spi3 {
	status = "okay";
	pinctrl-0 = <&spi3_default>;
	pinctrl-1 = <&spi3_sleep>;
	pinctrl-names = "default", "sleep";
	cs-gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
};

&pwm0 {
	status = "okay";
	pinctrl-0 = <&pwm0_default>;
	pinctrl-1 = <&pwm0_sleep>;
	pinctrl-names = "default", "sleep";
};

&qdec {
	status = "okay";
	pinctrl-0 = <&encoder_default>;
	pinctrl-1 = <&encoder_sleep>;
	pinctrl-names = "default", "sleep";
	led-pre = <0>;
	steps = <80>;
	nordic,period = "SAMPLEPER_1024US";
};

&usbd {
	status = "okay";
	num-bidir-endpoints = <0>;
	num-in-endpoints = <2>;
	num-out-endpoints = <1>;
	num-isoin-endpoints = <0>;
	num-isoout-endpoints = <0>;
};