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@xxxxxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Tested-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
---
(no changes since v1)
.../boot/dts/mediatek/mt8192-asurada.dtsi | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
index ddf18861edad..a63b3c86d650 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
@@ -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 {
@@ -440,6 +450,14 @@ pins-bus {
bias-disable;
};
};
+
+ trackpad_pins: trackpad-default-pins {
+ pins-int-n {
+ pinmux = <PINMUX_GPIO15__FUNC_GPIO15>;
+ input-enable;
+ mediatek,pull-up-adv = <3>;
+ };
+ };
};
&spi1 {
--
2.36.1
