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arm64: dts: mediatek: asurada: Add Elan eKTH3000 I2C trackpad

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Add support for the Elan eKTH3000 i2c trackpad present on Asurada. It is
connected to the I2C2 bus and has address 0x15.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-11-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Nícolas F. R. A. Prado 2022-06-29 11:59:47 -04:00 committed by Matthias Brugger
parent 863fb75235
commit e031715a70
1 changed files with 18 additions and 0 deletions
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18
arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
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@ -109,6 +109,16 @@ &i2c2 {
clock-stretch-ns = <12600>;
pinctrl-names = "default";
pinctrl-0 = <&i2c2_pins>;
trackpad@15 {
compatible = "elan,ekth3000";
reg = <0x15>;
interrupts-extended = <&pio 15 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&trackpad_pins>;
vcc-supply = <&pp3300_u>;
wakeup-source;
};
};
&i2c3 {
@ -436,6 +446,14 @@ pins-bus {
bias-disable;
};
};
trackpad_pins: trackpad-default-pins {
pins-int-n {
pinmux = <PINMUX_GPIO15__FUNC_GPIO15>;
input-enable;
bias-pull-up = <MTK_PUPD_SET_R1R0_11>;
};
};
};
&spi1 {