diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts b/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts index ca18fcf2ad4f..1e91491945f6 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts @@ -38,3 +38,10 @@ MATRIX_KEY(0x00, 0x04, KEY_VOLUMEUP) CROS_STD_MAIN_KEYMAP >; }; + +&touchscreen { + compatible = "hid-over-i2c"; + post-power-on-delay-ms = <10>; + hid-descr-addr = <0x0001>; + vdd-supply = <&pp3300_u>; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts b/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts index 30b03895de41..42db81e95fae 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts @@ -40,3 +40,7 @@ MATRIX_KEY(0x00, 0x04, KEY_VOLUMEUP) CROS_STD_MAIN_KEYMAP >; }; + +&touchscreen { + compatible = "elan,ekth3500"; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi index 4de4235cb768..6eace280c14a 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi @@ -92,6 +92,13 @@ &i2c0 { clock-frequency = <400000>; pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins>; + + touchscreen: touchscreen@10 { + reg = <0x10>; + interrupts-extended = <&pio 21 IRQ_TYPE_LEVEL_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&touchscreen_pins>; + }; }; &i2c1 { @@ -454,6 +461,24 @@ pins-int-n { bias-pull-up = ; }; }; + + touchscreen_pins: touchscreen-default-pins { + pins-irq { + pinmux = ; + input-enable; + bias-pull-up; + }; + + pins-reset { + pinmux = ; + output-high; + }; + + pins-report-sw { + pinmux = ; + output-low; + }; + }; }; &spi1 {