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Message-ID: <20220721235353.75440-1-linmengbo0689@protonmail.com>
Date: Thu, 21 Jul 2022 23:54:58 +0000
From: "Lin, Meng-Bo" <linmengbo0689@...tonmail.com>
To: devicetree@...r.kernel.org
Cc: Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
Stephan Gerhold <stephan@...hold.net>,
Nikita Travkin <nikita@...n.ru>,
~postmarketos/upstreaming@...ts.sr.ht
Subject: [PATCH v4 4/4] arm64: dts: qcom: msm8916-samsung-e2015: Add touchkey
On the Samsung Galaxy E5 and E7 the touch key is supplied by a single
fixed regulator (enabled via GPIO 97) that supplies both MCU and LED.
Add it to the device tree.
Signed-off-by: Lin, Meng-Bo <linmengbo0689@...tonmail.com>
---
.../qcom/msm8916-samsung-e2015-common.dtsi | 26 +++++++++++++++++++
.../dts/qcom/msm8916-samsung-grandmax.dts | 4 +++
2 files changed, 30 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-e2015-common.dtsi b/arch/arm64/boot/dts/qcom/msm8916-samsung-e2015-common.dtsi
index 93a14bfcf8f8..4a6cc575c451 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-e2015-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-e2015-common.dtsi
@@ -19,6 +19,19 @@ muic: extcon@14 {
};
};
+ reg_touch_key: regulator-touch-key {
+ compatible = "regulator-fixed";
+ regulator-name = "touch_key";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpio = <&msmgpio 97 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&tkey_en_default>;
+ };
+
vibrator: vibrator {
compatible = "gpio-vibrator";
enable-gpios = <&msmgpio 76 GPIO_ACTIVE_HIGH>;
@@ -36,6 +49,11 @@ &blsp_i2c2 {
status = "disabled";
};
+&touchkey {
+ vcc-supply = <®_touch_key>;
+ vdd-supply = <®_touch_key>;
+};
+
&msmgpio {
motor_en_default: motor-en-default {
pins = "gpio76";
@@ -44,4 +62,12 @@ motor_en_default: motor-en-default {
drive-strength = <2>;
bias-disable;
};
+
+ tkey_en_default: tkey-en-default {
+ pins = "gpio97";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
};
diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-grandmax.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-grandmax.dts
index 74c07a970317..87e990f4f9fc 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-grandmax.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-grandmax.dts
@@ -37,6 +37,10 @@ keyled {
};
};
+®_touch_key {
+ status = "disabled";
+};
+
&vibrator {
enable-gpios = <&msmgpio 72 GPIO_ACTIVE_HIGH>;
};
--
2.30.2
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