| From | Nícolas F. R. A. Prado <> | Subject | [PATCH v4 10/19] arm64: dts: mediatek: asurada: Add Elan eKTH3000 I2C trackpad | Date | Wed, 29 Jun 2022 11:59:47 -0400 |
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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>
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Changes in v4: - Switched mediatek,pull-up-adv for bias-pull-up
.../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 fe626535ee5d..4de4235cb768 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 { @@ -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 { -- 2.36.1
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