linux-kernel - [PATCH 06/11] arm64: dts: qcom: msm8994-kitakami: Add Synaptics RMI touchscreen

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210118162432.107275-6-konrad.dybcio@somainline.org>
Date:   Mon, 18 Jan 2021 17:24:26 +0100
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     phone-devel@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht,
        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 06/11] arm64: dts: qcom: msm8994-kitakami: Add Synaptics RMI touchscreen

All Kitakami phones use Synaptics RMI4 touchscreens
attached to the same i2c bus. Configure and enable it.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
---
 .../msm8994-sony-xperia-kitakami-karin.dts    |  2 +
 .../qcom/msm8994-sony-xperia-kitakami.dtsi    | 45 ++++++++++++++++++-
 2 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami-karin.dts b/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami-karin.dts
index 743a2a076552..4dcf42eafb3a 100644
--- a/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami-karin.dts
+++ b/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami-karin.dts
@@ -41,3 +41,5 @@ &pm8994_l25 {
 };
 
 /delete-node/ &pm8994_l32;
+/* Z4 tablets use a different touchscreen. */
+/delete-node/ &touchscreen;
diff --git a/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami.dtsi b/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami.dtsi
index e31c31c2b936..33af174b78ab 100644
--- a/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami.dtsi
@@ -147,7 +147,34 @@ &blsp_i2c5 {
 &blsp_i2c6 {
 	status = "okay";
 
-	/* Synaptics touchscreen */
+	touchscreen: rmi4-i2c-dev@2c {
+		compatible = "syna,rmi4-i2c";
+		reg = <0x2c>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		interrupt-parent = <&tlmm>;
+		interrupts = <42 IRQ_TYPE_EDGE_FALLING>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&ts_int_active &ts_reset_active>;
+
+		vdd-supply = <&pm8994_l22>;
+		vio-supply = <&pm8994_s4>;
+
+		syna,reset-delay-ms = <220>;
+		syna,startup-delay-ms = <220>;
+
+		rmi4-f01@1 {
+			reg = <0x01>;
+			syna,nosleep-mode = <1>;
+		};
+
+		rmi4-f11@11 {
+			reg = <0x11>;
+			syna,sensor-type = <1>;
+		};
+	};
 };
 
 &blsp1_uart2 {
@@ -433,3 +460,19 @@ &sdhc1 {
 	 * vqmmc-supply = <&pm8994_s4>;
 	 */
 };
+
+&tlmm {
+	ts_int_active: ts-int-active {
+		pins = "gpio42";
+		drive-strength = <2>;
+		bias-disable;
+		input-enable;
+	};
+
+	ts_reset_active: ts-reset-active {
+		pins = "gpio109";
+		drive-strength = <2>;
+		bias-disable;
+		output-low;
+	};
+};
-- 
2.29.2