[PATCH v1 6/6] arm64: dts: mediatek: mt8183-pumpkin: add keypad support

Mattijs Korpershoek
2022-07-20T14:49:19Z

From: Fabien Parent <fparent@baylibre.com>

Add device-tree bindings for the keypad driver on the MT8183 Pumpkin
board.

The MT8183 Pumpkin board has 2 buttons connected using: KPROW0,
KPROW1 and KPCOL0.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts b/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
index 530e0c9ce0c9..add697c94b05 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
@@ -7,6 +7,7 @@
/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
#include "mt8183.dtsi"
#include "mt6358.dtsi"

@@ -122,6 +123,18 @@ &i2c6 {
clock-frequency = <100000>;
};

+&keyboard {
+ pinctrl-names = "default";
+ pinctrl-0 = <&keyboard_pins>;
+ status = "okay";
+ linux,keymap = <MATRIX_KEY(0x00, 0x00, KEY_VOLUMEDOWN)
+ MATRIX_KEY(0x01, 0x00, KEY_VOLUMEUP)>;
+ keypad,num-rows = <2>;
+ keypad,num-columns = <1>;
+ debounce-delay-ms = <32>;
+ mediatek,double-keys;
+};
+
&mmc0 {
status = "okay";
pinctrl-names = "default", "state_uhs";
@@ -226,6 +239,14 @@ pins_cmd_dat {
};
};

+ keyboard_pins: keyboard {
+ pins_keyboard {
+ pinmux = <PINMUX_GPIO91__FUNC_KPROW1>,
+ <PINMUX_GPIO92__FUNC_KPROW0>,
+ <PINMUX_GPIO93__FUNC_KPCOL0>;
+ };
+ };
+
mmc0_pins_default: mmc0-pins-default {
pins_cmd_dat {
pinmux = <PINMUX_GPIO123__FUNC_MSDC0_DAT0>,

--
b4 0.10.0-dev-54fef