diff options
| author | Sourav Poddar <sourav.poddar@ti.com> | 2013-12-19 16:33:41 +0400 |
|---|---|---|
| committer | Benoit Cousson <bcousson@baylibre.com> | 2014-03-03 00:26:20 +0400 |
| commit | 51724dbb5cbbebafee4d6f938f92928c091ae7c0 (patch) | |
| tree | e316cc1e2a8f288571565e29dc724f0b3ea0ceb6 /arch/arm/boot/dts/am437x-gp-evm.dts | |
| parent | d3d46ccae3b99932fcb9eaa82664668a3c35128e (diff) | |
| download | linux-51724dbb5cbbebafee4d6f938f92928c091ae7c0.tar.xz | |
ARM: dts: am43x-gp-evm: Add matrix gpio keys.
Add gpio keys node for am43x gp evm.
Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Diffstat (limited to 'arch/arm/boot/dts/am437x-gp-evm.dts')
| -rw-r--r-- | 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 0dc248d125b1..4eb72b803d6d 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 { |