From 90ca46731599ea364d2d8b5310341ab766fea637 Mon Sep 17 00:00:00 2001 From: "Lin, Meng-Bo" Date: Sun, 24 Jul 2022 09:55:43 +0000 Subject: [PATCH] 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 Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20220724095426.14189-1-linmengbo0689@protonmail.com --- .../dts/qcom/msm8916-samsung-e2015-common.dtsi | 26 ++++++++++++++++++++++ .../boot/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 9caa8a1..542010f 100644 --- a/arch/arm64/boot/dts/qcom/msm8916-samsung-e2015-common.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-e2015-common.dtsi @@ -38,6 +38,19 @@ pinctrl-names = "default"; pinctrl-0 = <&motor_en_default>; }; + + 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>; + }; }; &blsp_i2c2 { @@ -48,6 +61,11 @@ /delete-node/ magnetometer@12; }; +&touchkey { + vcc-supply = <®_touch_key>; + vdd-supply = <®_touch_key>; +}; + &msmgpio { motor_en_default: motor-en-default { pins = "gpio76"; @@ -56,4 +74,12 @@ 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 4c1becd..bc71346 100644 --- a/arch/arm64/boot/dts/qcom/msm8916-samsung-grandmax.dts +++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-grandmax.dts @@ -41,6 +41,10 @@ gpio = <&msmgpio 72 GPIO_ACTIVE_HIGH>; }; +®_touch_key { + status = "disabled"; +}; + &msmgpio { gpio_leds_default: gpio-led-default { pins = "gpio60"; -- 2.7.4