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arm64: dts: qcom: msm8916-samsung-e2015: Add touchkey

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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@protonmail.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220724095426.14189-1-linmengbo0689@protonmail.com
This commit is contained in:
Lin, Meng-Bo
2022-07-24 09:55:43 +00:00
committed by Bjorn Andersson
parent 87c1b199e6
commit 90ca467315
2 changed files with 30 additions and 0 deletions
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26
arch/arm64/boot/dts/qcom/msm8916-samsung-e2015-common.dtsi
View File

@@ -38,6 +38,19 @@ reg_motor_vdd: regulator-motor-vdd {
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 @@ &blsp_i2c2 {
/delete-node/ magnetometer@12;
};
&touchkey {
vcc-supply = <&reg_touch_key>;
vdd-supply = <&reg_touch_key>;
};
&msmgpio {
motor_en_default: motor-en-default {
pins = "gpio76";
@@ -56,4 +74,12 @@ 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;
};
};

4
arch/arm64/boot/dts/qcom/msm8916-samsung-grandmax.dts
View File

@@ -41,6 +41,10 @@ &reg_motor_vdd {
gpio = <&msmgpio 72 GPIO_ACTIVE_HIGH>;
};
&reg_touch_key {
status = "disabled";
};
&msmgpio {
gpio_leds_default: gpio-led-default {
pins = "gpio60";