[PATCH 3/3] arm64: dts: exynos: Add stmfts touchscreen node for TM2 and TM2E

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TM2 and TM2E devices are provided with a ST-Microelectronics
Finger Tip S device with small differences:

 - screen size
 - TM2E uses the stmfts also as a touchkey for "back" and "menu"

Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxx>
---
 arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi | 13 +++++++++++++
 arch/arm64/boot/dts/exynos/exynos5433-tm2.dts         |  5 +++++
 arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts        |  7 +++++++
 3 files changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
index a5c866901e93..689d5c124a49 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
@@ -745,6 +745,19 @@
 	};
 };
 
+&hsi2c_5 {
+	status = "okay";
+
+	touchscreen: stmfts@49 {
+		compatible = "st,stmfts";
+		reg = <0x49>;
+		interrupt-parent = <&gpa1>;
+		interrupts = <1 IRQ_TYPE_NONE>;
+		avdd-supply = <&ldo30_reg>;
+		vdd-supply = <&ldo31_reg>;
+	};
+};
+
 &hsi2c_7 {
 	status = "okay";
 
diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
index 2449266b268f..d0311d34c6bd 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
@@ -29,3 +29,8 @@
 	regulator-min-microvolt = <3000000>;
 	regulator-max-microvolt = <3000000>;
 };
+
+&touchscreen {
+	touchscreen-size-x = <1439>;
+	touchscreen-size-y = <2559>;
+};
diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts
index 2fbf3a860316..388880dcb5ae 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts
@@ -29,3 +29,10 @@
 	regulator-min-microvolt = <3300000>;
 	regulator-max-microvolt = <3300000>;
 };
+
+&touchscreen {
+	touchscreen-size-x = <1599>;
+	touchscreen-size-y = <2559>;
+	touch-key-connected;
+	ledvdd-supply = <&ldo33_reg>;
+};
-- 
2.11.0

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