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arm64: dts: mediatek: cherry: Enable Elantech eKTH3000 i2c trackpad

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The Cherry platform uses an Elantech touchpad/trackpad: enable
probing it at address 0x15 on I2C1.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220902081156.38526-7-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
AngeloGioacchino Del Regno
2022-09-02 10:11:55 +02:00
committed by Matthias Brugger
parent 07984e82ae
commit b53f37249c
1 changed files with 18 additions and 0 deletions
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18
arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
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@@ -134,6 +134,16 @@ &i2c1 {
i2c-scl-internal-delay-ns = <12500>;
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
trackpad@15 {
compatible = "elan,ekth3000";
reg = <0x15>;
interrupts-extended = <&pio 6 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&trackpad_pins>;
vcc-supply = <&pp3300_s3>;
wakeup-source;
};
};
&i2c2 {
@@ -710,6 +720,14 @@ subpmic_pin_irq: pins-subpmic-int-n {
};
};
trackpad_pins: trackpad-default-pins {
pins-int-n {
pinmux = <PINMUX_GPIO6__FUNC_GPIO6>;
input-enable;
bias-pull-up;
};
};
touchscreen_pins: touchscreen-default-pins {
pins-int-n {
pinmux = <PINMUX_GPIO92__FUNC_GPIO92>;