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arm64: dts: qcom: msm8916-samsung-a2015: Add touchscreen regulator 

A3U and A5U both use an extra touchscreen LDO regulator
that provides 3.3V for the touch screen controller.

Add it as fixed regulator to the common include.

Cc: Michael Srba <Michael.Srba@seznam.cz>
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20200426140642.204395-4-stephan@gerhold.net
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Stephan Gerhold 2020-04-26 16:06:41 +02:00 committed by Bjorn Andersson
parent 246d19d2c2
commit 16fb3e4226
1 changed files with 25 additions and 0 deletions
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25
arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi
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@ -138,6 +138,19 @@ hall-sensor {
}; };
}; };
reg_vdd_tsp: regulator-vdd-tsp {
compatible = "regulator-fixed";
regulator-name = "vdd_tsp";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&msmgpio 73 GPIO_ACTIVE_HIGH>;
enable-active-high;
pinctrl-names = "default";
pinctrl-0 = <&tsp_en_default>;
};
i2c-muic { i2c-muic {
compatible = "i2c-gpio"; compatible = "i2c-gpio";
sda-gpios = <&msmgpio 105 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; sda-gpios = <&msmgpio 105 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
@ -195,6 +208,18 @@ pinconf {
bias-disable; bias-disable;
}; };
}; };
tsp_en_default: tsp-en-default {
pinmux {
function = "gpio";
pins = "gpio73";
};
pinconf {
pins = "gpio73";
drive-strength = <2>;
bias-disable;
};
};
}; };
&smd_rpm_regulators { &smd_rpm_regulators {