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arm64: dts: mediatek: mt8183-pumpkin: add keypad support

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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>
Link: https://lore.kernel.org/r/20220720-mt8183-keypad-v2-7-6d42c357cb76@baylibre.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Fabien Parent
2022-07-26 14:56:12 +02:00
committed by Matthias Brugger
parent a8013418d3
commit 09c332027d
1 changed files with 21 additions and 0 deletions
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21
arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
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@@ -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,keys-per-group = <2>;
};
&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>,