[PATCH v2 5/8] arm64: dts: mediatek: cherry: Enable Elantech eKTH3000 i2c trackpad

AngeloGioacchino Del Regno
2022-07-21T14:50:50Z

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>
---
.../arm64/boot/dts/mediatek/mt8195-cherry.dtsi | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
index 8859957c7b27..58349d4c3c8b 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
@@ -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 {
@@ -727,6 +737,14 @@ 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>;
--
2.35.1