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arm64: dts: mediatek: mt8395-nio-12l: add PMIC and GPIO keys support

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Add support for PMIC and GPIO keys on the Radxa NIO 12L board:
Declare a gpio-keys node for the Volume Up button using GPIO106.
Add the corresponding pin configuration in the pinctrl node.
Add a mediatek,mt6359-keys subnode under the PMIC to handle the
power and home buttons exposed by the MT6359.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Julien Massot <julien.massot@collabora.com>
Link: https://lore.kernel.org/r/20250905-radxa-nio-12-l-gpio-v3-2-40f11377fb55@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Julien Massot 2025-09-05 13:51:59 +02:00 committed by Matthias Brugger
parent d22e9b8c96
commit 1383007f85
1 changed files with 36 additions and 0 deletions
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36
arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts
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@ -8,6 +8,7 @@
#include "mt8195.dtsi"
#include "mt6359.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/pinctrl/mt8195-pinfunc.h>
#include <dt-bindings/regulator/mediatek,mt6360-regulator.h>
@ -60,6 +61,18 @@ backlight: backlight {
status = "disabled";
};
keys: gpio-keys {
compatible = "gpio-keys";
button-volume-up {
wakeup-source;
debounce-interval = <100>;
gpios = <&pio 106 GPIO_ACTIVE_LOW>;
label = "volume_up";
linux,code = <KEY_VOLUMEUP>;
};
};
wifi_vreg: regulator-wifi-3v3-en {
compatible = "regulator-fixed";
regulator-name = "wifi_3v3_en";
@ -626,6 +639,14 @@ pins-txd {
};
};
gpio_key_pins: gpio-keys-pins {
pins {
pinmux = <PINMUX_GPIO106__FUNC_GPIO106>;
bias-pull-up;
input-enable;
};
};
i2c2_pins: i2c2-pins {
pins-bus {
pinmux = <PINMUX_GPIO12__FUNC_SDA2>,
@ -880,6 +901,21 @@ &pciephy {
&pmic {
interrupts-extended = <&pio 222 IRQ_TYPE_LEVEL_HIGH>;
mt6359keys: keys {
compatible = "mediatek,mt6359-keys";
mediatek,long-press-mode = <1>;
power-off-time-sec = <0>;
power-key {
linux,keycodes = <KEY_POWER>;
wakeup-source;
};
home {
linux,keycodes = <KEY_HOME>;
};
};
};
&scp {