linux-kernel - [PATCH v2 4/4] arm64: dts: qcom: msm8916-samsung-j5-common: Add Hall sensor

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Date:   Wed, 28 Sep 2022 12:40:01 +0000
From:   "Lin, Meng-Bo" <linmengbo0689@...tonmail.com>
To:     devicetree@...r.kernel.org
Cc:     Stephan Gerhold <stephan@...hold.net>,
        Nikita Travkin <nikita@...n.ru>,
        Josef W Menad <JosefWMenad@...tonmail.ch>,
        Markuss Broks <markuss.broks@...il.com>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht,
        "Lin, Meng-Bo" <linmengbo0689@...tonmail.com>,
        "Lin, Andy Gross" <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Subject: [PATCH v2 4/4] arm64: dts: qcom: msm8916-samsung-j5-common: Add Hall sensor

Samsung Galaxy J5 2015 and 2016 have a Hall sensor on GPIO pin 52.
Add GPIO Hall sensor for them.

Signed-off-by: Lin, Meng-Bo <linmengbo0689@...tonmail.com>
---
 .../boot/dts/qcom/msm8916-samsung-j3.dts      |  4 +++
 .../dts/qcom/msm8916-samsung-j5-common.dtsi   | 26 +++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-j3.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-j3.dts
index bf8672ebedcd..7fd357b7f728 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-j3.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-j3.dts
@@ -19,3 +19,7 @@ tz-apps@...00000 {
 		};
 	};
 };
+
+&gpio_hall_sensor {
+	status = "disabled";
+};
diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-j5-common.dtsi b/arch/arm64/boot/dts/qcom/msm8916-samsung-j5-common.dtsi
index 4f71609bf6f8..54190144f823 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-j5-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-j5-common.dtsi
@@ -3,6 +3,7 @@
 #include "msm8916-pm8916.dtsi"
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 
 / {
 	aliases {
@@ -21,6 +22,23 @@ tz-apps@...00000 {
 		};
 	};
 
+	gpio_hall_sensor: gpio-hall-sensor {
+		compatible = "gpio-keys";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&gpio_hall_sensor_default>;
+
+		label = "GPIO Hall Effect Sensor";
+
+		event-hall-sensor {
+			label = "Hall Effect Sensor";
+			gpios = <&msmgpio 52 GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_SW>;
+			linux,code = <SW_LID>;
+			linux,can-disable;
+		};
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 
@@ -193,6 +211,14 @@ l18 {
 };
 
 &msmgpio {
+	gpio_hall_sensor_default: gpio-hall-sensor-default-state {
+		pins = "gpio52";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-disable;
+	};
+
 	gpio_keys_default: gpio-keys-default-state {
 		pins = "gpio107", "gpio109";
 		function = "gpio";
-- 
2.30.2