linux-kernel - [PATCH 6/6] arm64: dts: qcom: sm8250-edo: Add Samsung touchscreen

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Date:   Wed, 16 Jun 2021 02:58:43 +0200
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     ~postmarketos/upstreaming@...ts.sr.ht
Cc:     martin.botka@...ainline.org,
        angelogioacchino.delregno@...ainline.org,
        marijn.suijten@...ainline.org, jamipkettunen@...ainline.org,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 6/6] arm64: dts: qcom: sm8250-edo: Add Samsung touchscreen

Add Samsung touchscreen node and relevant pin configuration to make the phones
actually interactable with.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
---
 .../boot/dts/qcom/sm8250-sony-xperia-edo.dtsi | 21 ++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8250-sony-xperia-edo.dtsi b/arch/arm64/boot/dts/qcom/sm8250-sony-xperia-edo.dtsi
index f0b595cfea51..f62ff3ce974d 100644
--- a/arch/arm64/boot/dts/qcom/sm8250-sony-xperia-edo.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250-sony-xperia-edo.dtsi
@@ -462,7 +462,18 @@ &i2c13 {
 	status = "okay";
 	clock-frequency = <400000>;
 
-	/* Samsung touchscreen @ 48 */
+	touchscreen@48 {
+		compatible = "samsung,s6sy761";
+		reg = <0x48>;
+		interrupt-parent = <&tlmm>;
+		interrupts = <39 0x2008>;
+		/* It's "vddio" downstream but it works anyway! */
+		vdd-supply = <&vreg_l1c_1p8>;
+		avdd-supply = <&vreg_l10c_3p3>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&ts_int_default>;
+	};
 };
 
 &i2c15 {
@@ -563,6 +574,14 @@ data {
 		};
 	};
 
+	ts_int_default: ts-int-default {
+		pins = "gpio39";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disabled;
+		input-enable;
+	};
+
 	sdc2_card_det_n: sd-card-det-n {
 		pins = "gpio77";
 		function = "gpio";
-- 
2.32.0