openEuler_kernel_rk3588/arch/arm64/boot/dts/rockchip/overlay/rk3588-lubancat-5-xl9535-overlay.dts

/dts-v1/;
/plugin/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/rockchip.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/input/linux-event-codes.h>

/ {

	fragment@0 {
		target = <&i2c4>;

		__overlay__ {
			status = "okay";
			#address-cells = <1>;
			#size-cells = <0>;
			pinctrl-names = "default";
			pinctrl-0 = <&i2c4m3_xfer>;

			xl9535: xl9535@21 {
				compatible = "nxp,pca9535";
				status = "okay";
				reg = <0x21>;
				gpio-controller;
				#gpio-cells = <2>;
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_gpio6>;
				interrupt-parent = <&gpio2>;
				interrupts = <RK_PC4 IRQ_TYPE_LEVEL_LOW>;
				interrupt-controller;
				#interrupt-cells = <2>;
			};
		};
	};

	fragment@1 {
		target = <&i2c5>;

		__overlay__ {
			status = "okay";
			#address-cells = <1>;
			#size-cells = <0>;
			pinctrl-names = "default";
			pinctrl-0 = <&i2c5m2_xfer>;

			gpio7: gpio-expander@21 {
				compatible = "nxp,pca9535";
				status = "okay";
				reg = <0x21>;
				gpio-controller;
				#gpio-cells = <2>;
				// pinctrl-names = "default";
				// pinctrl-0 = <&pinctrl_gpio6>;
				// interrupt-parent = <&gpio2>;
				// interrupts = <RK_PC4 IRQ_TYPE_LEVEL_HIGH>;
				// interrupt-controller;
				// #interrupt-cells = <2>;
			};
		};
	};

	fragment@2 {
		target = <&i2c6>;

		__overlay__ {
			status = "okay";
			#address-cells = <1>;
			#size-cells = <0>;
			pinctrl-names = "default";
			pinctrl-0 = <&i2c6m0_xfer>;

			gpio8: gpio-expander@21 {
				compatible = "nxp,pca9535";
				status = "okay";
				reg = <0x21>;
				gpio-controller;
				#gpio-cells = <2>;
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_gpio8>;
				interrupt-parent = <&gpio2>;
				interrupts = <RK_PC5 IRQ_TYPE_LEVEL_LOW>;
				interrupt-controller;
				#interrupt-cells = <2>;
			};
		};
	};

	fragment@3 {
		target-path = "/";

		__overlay__ {
			leds: leds {
				status = "okay";
				compatible = "gpio-leds";

				abc_led: abc-led {
					label = "abc_led";
					linux,default-trigger = "heartbeat";
					default-state = "on";
					gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>;
				};

				def_led: def-led {
					label = "def_led";
					linux,default-trigger = "heartbeat";
					default-state = "on";
					gpios = <&gpio8 2 GPIO_ACTIVE_HIGH>;
				};
			};
		};
	};

	fragment@4 {
		target-path = "/";

		__overlay__ {
			Keys {
				compatible = "gpio-keys";
				pinctrl-names = "default";
				#address-cells = <1>;
				#size-cells = <0>;
				status = "okay";
				//autorepeat;
				Key0 {
					label = "KEY_0";
					linux,code=<KEY_0>;
					gpio-hog;
					gpios = <&xl9535 3 GPIO_ACTIVE_LOW>;
					interrupt-parent = <&xl9535>;
					interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
				};

				Key1 {
					label = "KEY_1";
					linux,code=<KEY_1>;
					gpio-hog;
					gpios = <&xl9535 4 GPIO_ACTIVE_LOW>;
					interrupt-parent = <&xl9535>;
					interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
				};

				Key2 {
					label = "KEY_2";
					linux,code=<KEY_2>;
					gpio-hog;
					gpios = <&xl9535 5 GPIO_ACTIVE_LOW>;
					interrupt-parent = <&xl9535>;
					interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
				};
			};

			Coder_sw {
				compatible = "gpio-keys";
				status = "okay";
				#address-cells = <1>;
				#size-cells = <0>;
				coder_sw {
					label = "coder_sw";
					linux,code=<KEY_3>;
					debounce-interval = <5>;
					gpios = <&xl9535 7 GPIO_ACTIVE_LOW>;
					interrupt-parent = <&xl9535>;
					interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
				};
			};

			Coder_A {
				compatible = "gpio-keys";
				status = "okay";
				#address-cells = <1>;
				#size-cells = <0>;
				coder_A {
					label = "coder_A";
					linux,code=<250>;
					debounce-interval = <1>;
					gpios = <&xl9535 12 GPIO_ACTIVE_HIGH>;
					interrupt-parent = <&xl9535>;
					interrupts = <12 IRQ_TYPE_EDGE_RISING>;
				};
			};

			Coder_B {
				compatible = "gpio-keys";
				status = "okay";
				#address-cells = <1>;
				#size-cells = <0>;
				coder_B {
					label = "coder_B";
					linux,code=<251>;
					debounce-interval = <1>;
					gpios = <&xl9535 13 GPIO_ACTIVE_HIGH>;
					interrupt-parent = <&xl9535>;
					interrupts = <13 IRQ_TYPE_EDGE_RISING>;
				};
			};

			Coder_C {
				compatible = "gpio-keys";
				status = "okay";
				#address-cells = <1>;
				#size-cells = <0>;
				coder_C {
					label = "coder_C";
					linux,code=<252>;
					debounce-interval = <1>;
					gpios = <&xl9535 14 GPIO_ACTIVE_HIGH>;
					interrupt-parent = <&xl9535>;
					interrupts = <14 IRQ_TYPE_EDGE_RISING>;
				};
			};
		};
	};

	/*
	fragment@5 {
		target-path = "/";
		__overlay__ {
			dht11{
				#address-cells = <1>;
				#size-cells = <1>;
				compatible = "fire,temphum_dht11";
				linux,open-drain;
				dht11_pin = <&gpio8 1 GPIO_ACTIVE_HIGH>;
				status = "okay";
			};
		};
	};
	*/

	fragment@5 {
		target = <&pinctrl>;

		__overlay__ {
			gpio7 {
				pinctrl_gpio7:pinctrl_gpio7 {
					rockchip,pins =
					<2 RK_PC4 RK_FUNC_GPIO &pcfg_pull_up>;
				};
			};

			gpio8 {
				pinctrl_gpio8:pinctrl_gpio8 {
					rockchip,pins =
					<2 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
				};
			};
		};
	};
};