Commit 51724dbb authored by Sourav Poddar's avatar Sourav Poddar Committed by Benoit Cousson
Browse files

ARM: dts: am43x-gp-evm: Add matrix gpio keys. 



Add gpio keys node for am43x gp evm.

Signed-off-by: default avatarSourav Poddar <sourav.poddar@ti.com>
Signed-off-by: default avatarBenoit Cousson <bcousson@baylibre.com>
parent d3d46cca

arch/arm/boot/dts/am437x-gp-evm.dts

+21 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include "am4372.dtsi"

#include <dt-bindings/pinctrl/am43xx.h>

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

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



/ {

	model = "TI AM437x GP EVM";
@@ -24,6 +25,26 @@ 
		brightness-levels = <0 51 53 56 62 75 101 152 255>;

		default-brightness-level = <8>;

	};



	matrix_keypad: matrix_keypad@0 {

		compatible = "gpio-matrix-keypad";

		debounce-delay-ms = <5>;

		col-scan-delay-us = <2>;



		row-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH /* Bank3, pin21 */

				&gpio4 3 GPIO_ACTIVE_HIGH /* Bank4, pin3 */

				&gpio4 2 GPIO_ACTIVE_HIGH>; /* Bank4, pin2 */



		col-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH /* Bank3, pin19 */

				&gpio3 20 GPIO_ACTIVE_HIGH>; /* Bank3, pin20 */



		linux,keymap = <0x00000201      /* P1 */

				0x00010202      /* P2 */

				0x01000067      /* UP */

				0x0101006a      /* RIGHT */

				0x02000069      /* LEFT */

				0x0201006c>;      /* DOWN */

		};

};



&am43xx_pinmux {

CRA Git | Maintained and supported by SUSTech CRA and CCSE