[PATCH 07/18] arm64: dts: qcom: msm8994-octagon: Add gpio-keys and Hall sensor

From: Konrad Dybcio
Date: Sat Jan 30 2021 - 20:44:15 EST


From: Gustave Monce <gustave.monce@xxxxxxxxxxx>

This enables tje hardware keys as well as the Hall sensor.

Signed-off-by: Gustave Monce <gustave.monce@xxxxxxxxxxx>
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>
---
.../dts/qcom/msm8994-msft-lumia-octagon.dtsi | 77 +++++++++++++++++++
1 file changed, 77 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi b/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
index ff06b2161b10..69016d769d90 100644
--- a/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
@@ -9,6 +9,9 @@

#include "pm8994.dtsi"
#include "pmi8994.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/gpio-keys.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>

/*
* Delete all generic (msm8994.dtsi) reserved
@@ -42,6 +45,64 @@ chosen {
ranges;
};

+ gpio-keys {
+ compatible = "gpio-keys";
+ input-name = "gpio-keys";
+ autorepeat;
+
+ volupkey {
+ label = "Volume Up";
+ gpios = <&pm8994_gpios 3 GPIO_ACTIVE_LOW>;
+ linux,input-type = <1>;
+ linux,code = <KEY_VOLUMEUP>;
+ wakeup-source;
+ debounce-interval = <15>;
+ };
+
+ camsnapkey {
+ label = "Camera Snapshot";
+ gpios = <&pm8994_gpios 4 GPIO_ACTIVE_LOW>;
+ linux,input-type = <1>;
+ linux,code = <KEY_CAMERA>;
+ wakeup-source;
+ debounce-interval = <15>;
+ };
+
+ camfocuskey {
+ label = "Camera Focus";
+ gpios = <&pm8994_gpios 5 GPIO_ACTIVE_LOW>;
+ linux,input-type = <1>;
+ linux,code = <KEY_VOLUMEUP>;
+ wakeup-source;
+ debounce-interval = <15>;
+ };
+ };
+
+ gpio-hall-sensor {
+ compatible = "gpio-keys";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&hall_front_default &hall_back_default>;
+
+ label = "GPIO Hall Effect Sensor";
+
+ hall-front-sensor {
+ label = "Hall Effect Front Sensor";
+ gpios = <&tlmm 42 GPIO_ACTIVE_HIGH>;
+ linux,input-type = <EV_SW>;
+ linux,code = <SW_LID>;
+ linux,can-disable;
+ };
+
+ hall-back-sensor {
+ label = "Hall Effect Back Sensor";
+ gpios = <&tlmm 75 GPIO_ACTIVE_HIGH>;
+ linux,input-type = <EV_SW>;
+ linux,code = <SW_MACHINE_COVER>;
+ linux,can-disable;
+ };
+ };
+
reserved-memory {
/*
* This device being a WP platform has a very different
@@ -235,3 +296,19 @@ &blsp2_uart2 {
&sdhc1 {
status = "okay";
};
+
+&tlmm {
+ hall_front_default: hall-front-default {
+ pins = "gpio42";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ hall_back_default: hall-back-default {
+ pins = "gpio75";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+};
--
2.30.0