Add gpio keys node for am43x gp evm. Signed-off-by: Sourav Poddar <sourav.poddar@xxxxxx> --- arch/arm/boot/dts/am437x-gp-evm.dts | 21 +++++++++++++++++++++ 1 files changed, 21 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts index 312a51c..9ef6b5a 100644 --- a/arch/arm/boot/dts/am437x-gp-evm.dts +++ b/arch/arm/boot/dts/am437x-gp-evm.dts @@ -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 { -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html