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Commit 6031d8bb authored by Joachim Eastwood's avatar Joachim Eastwood
Browse files

ARM: dts: lpc4350-hitex-eval: add joystick, buttons and leds 



Add the joystick, buttons and LEDs connected to the I2C I/O expander.

Signed-off-by: default avatarJoachim Eastwood <manabian@gmail.com>
parent 67b17a11

arch/arm/boot/dts/lpc4350-hitex-eval.dts

+85 −0
Original line number Diff line number Diff line
@@ -15,6 +15,9 @@ 
#include "lpc18xx.dtsi"

#include "lpc4350.dtsi"



#include "dt-bindings/input/input.h"

#include "dt-bindings/gpio/gpio.h"



/ {

	model = "Hitex LPC4350 Evaluation Board";

	compatible = "hitex,lpc4350-eval-board", "nxp,lpc4350";
@@ -34,6 +37,88 @@ 
		device_type = "memory";

		reg = <0x28000000 0x800000>; /* 8 MB */

	};



	pca_buttons {

		compatible = "gpio-keys-polled";

		#address-cells = <1>;

		#size-cells = <0>;

		poll-interval = <100>;

		autorepeat;



		button@0 {

			label = "joy:right";

			linux,code = <KEY_RIGHT>;

			gpios = <&pca_gpio 8 GPIO_ACTIVE_LOW>;

		};



		button@1 {

			label = "joy:up";

			linux,code = <KEY_UP>;

			gpios = <&pca_gpio 9 GPIO_ACTIVE_LOW>;

		};





		button@2 {

			label = "joy:enter";

			linux,code = <KEY_ENTER>;

			gpios = <&pca_gpio 10 GPIO_ACTIVE_LOW>;

		};



		button@3 {

			label = "joy:left";

			linux,code = <KEY_LEFT>;

			gpios = <&pca_gpio 11 GPIO_ACTIVE_LOW>;

		};



		button@4 {

			label = "joy:down";

			linux,code = <KEY_DOWN>;

			gpios = <&pca_gpio 12 GPIO_ACTIVE_LOW>;

		};



		button@5 {

			label = "user:sw3";

			linux,code = <KEY_F1>;

			gpios = <&pca_gpio 13 GPIO_ACTIVE_LOW>;

		};



		button@6 {

			label = "user:sw4";

			linux,code = <KEY_F2>;

			gpios = <&pca_gpio 14 GPIO_ACTIVE_LOW>;

		};



		button@7 {

			label = "user:sw5";

			linux,code = <KEY_F3>;

			gpios = <&pca_gpio 15 GPIO_ACTIVE_LOW>;

		};

	};



	pca_leds {

		compatible = "gpio-leds";



		led0 {

			label = "ext:led0";

			gpios = <&pca_gpio 0 GPIO_ACTIVE_LOW>;

			linux,default-trigger = "heartbeat";

		};



		led1 {

			label = "ext:led1";

			gpios = <&pca_gpio 1 GPIO_ACTIVE_LOW>;

		};



		led2 {

			label = "ext:led2";

			gpios = <&pca_gpio 2 GPIO_ACTIVE_LOW>;

		};



		led3 {

			label = "ext:led3";

			gpios = <&pca_gpio 3 GPIO_ACTIVE_LOW>;

		};

	};

};



&pinctrl {