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Commit 95dafb2c authored by Joachim Eastwood's avatar Joachim Eastwood
Browse files

ARM: dts: lpc4357-ea4357: add gpio joystick 



Hook up the small joystick found on the EA4357 devkit.

Signed-off-by: default avatarJoachim Eastwood <manabian@gmail.com>
parent bfd0b498

arch/arm/boot/dts/lpc4357-ea4357-devkit.dts

+52 −0
Original line number Diff line number Diff line
@@ -15,6 +15,9 @@ 
#include "lpc18xx.dtsi"

#include "lpc4357.dtsi"



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

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



/ {

	model = "Embedded Artists' LPC4357 Developer's Kit";

	compatible = "ea,lpc4357-developers-kit", "nxp,lpc4357", "nxp,lpc4350";
@@ -42,9 +45,58 @@ 
		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

	};



	gpio_joystick {

		compatible = "gpio-keys-polled";

		pinctrl-names = "default";

		pinctrl-0 = <&gpio_joystick_pins>;

		#address-cells = <1>;

		#size-cells = <0>;

		poll-interval = <100>;

		autorepeat;



		button@0 {

			label = "joy_enter";

			linux,code = <KEY_ENTER>;

			gpios = <&gpio LPC_GPIO(4,8) GPIO_ACTIVE_LOW>;

		};



		button@1 {

			label = "joy_left";

			linux,code = <KEY_LEFT>;

			gpios = <&gpio LPC_GPIO(4,9) GPIO_ACTIVE_LOW>;

		};



		button@2 {

			label = "joy_up";

			linux,code = <KEY_UP>;

			gpios = <&gpio LPC_GPIO(4,10) GPIO_ACTIVE_LOW>;

		};



		button@3 {

			label = "joy_right";

			linux,code = <KEY_RIGHT>;

			gpios = <&gpio LPC_GPIO(4,12) GPIO_ACTIVE_LOW>;

		};



		button@4 {

			label = "joy_down";

			linux,code = <KEY_DOWN>;

			gpios = <&gpio LPC_GPIO(4,13) GPIO_ACTIVE_LOW>;

		};

	};

};



&pinctrl {

	gpio_joystick_pins: gpio-joystick-pins {

		gpio_joystick_cfg {

			pins =	"p9_0", "p9_1", "pa_1", "pa_2", "pa_3";

			function = "gpio";

			input-enable;

			bias-disable;

		};

	};



	sdmmc_pins: sdmmc-pins {

		sdmmc_clk_cfg {

			pins = "pc_0";