Commit 35b81a03 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Simon Horman
Browse files

ARM: dts: rskrza1: Add input switches 



Add support for input switches SW1-3 on the Renesas RZ/A1 RSK+RZA1
development board.

Note that this uses the IRQ interrupts, as the RZ/A1 GPIO controller
does not include interrupt support.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent bd6ed467

arch/arm/boot/dts/r7s72100-rskrza1.dts

+38 −0
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 
/dts-v1/;

#include "r7s72100.dtsi"

#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/input/input.h>

#include <dt-bindings/pinctrl/r7s72100-pinctrl.h>



/ {
@@ -28,6 +29,37 @@ 
		reg = <0x08000000 0x02000000>;

	};



	keyboard {

		compatible = "gpio-keys";



		pinctrl-names = "default";

		pinctrl-0 = <&keyboard_pins>;



		key-1 {

			interrupt-parent = <&irqc>;

			interrupts = <3 IRQ_TYPE_EDGE_BOTH>;

			linux,code = <KEY_1>;

			label = "SW1";

			wakeup-source;

		};



		key-2 {

			interrupt-parent = <&irqc>;

			interrupts = <2 IRQ_TYPE_EDGE_BOTH>;

			linux,code = <KEY_2>;

			label = "SW2";

			wakeup-source;

		};



		key-3 {

			interrupt-parent = <&irqc>;

			interrupts = <5 IRQ_TYPE_EDGE_BOTH>;

			linux,code = <KEY_3>;

			label = "SW3";

			wakeup-source;

		};

	};



	lbsc {

		#address-cells = <1>;

		#size-cells = <1>;
@@ -101,6 +133,12 @@ 
			 <RZA1_PINMUX(1, 7, 1)>;	/* RIIC3SDA */

	};



	keyboard_pins: keyboard {

		pinmux = <RZA1_PINMUX(1, 9, 3)>,	/* IRQ3 */

			 <RZA1_PINMUX(1, 8, 3)>,	/* IRQ2 */

			 <RZA1_PINMUX(1, 11, 3)>;	/* IRQ5 */

	};



	/* Serial Console */

	scif2_pins: serial2 {

		pinmux = <RZA1_PINMUX(3, 0, 6)>,	/* TxD2 */

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