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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@protonmail.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@85a00000 {
};
};
};
+
+&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@85500000 {
};
};

+ 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

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