[RFC PATCH v2 4/7] arm64: dts: mediatek: mt8173-elm-hana: Add G2touch G7500 touchscreen

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This introduces yet another second-source touchscreen found on Hana.
This is a G2touch G7500 touchscreen, which is compatible with HID over
I2C.

Add a device node for it. In keeping with the new scheme for second
source components, mark it as "failed-needs-probe-touchscreen".

Signed-off-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
---
 arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi b/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi
index 052109b0fa3b..d3f1277ac9b2 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi
@@ -31,6 +31,15 @@ touchscreen3: touchscreen@20 {
 		interrupts = <88 IRQ_TYPE_LEVEL_LOW>;
 		status = "fail-needs-probe-touchscreen";
 	};
+
+	touchscreen4: touchscreen@40 {
+		compatible = "hid-over-i2c";
+		reg = <0x40>;
+		hid-descr-addr = <0x0001>;
+		interrupt-parent = <&pio>;
+		interrupts = <88 IRQ_TYPE_LEVEL_LOW>;
+		status = "fail-needs-probe-touchscreen";
+	};
 };
 
 &i2c4 {
-- 
2.42.0.869.gea05f2083d-goog





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