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@xxxxxxxxx>
Signed-off-by: Stephan Gerhold <stephan@xxxxxxxxxxx>
---
.../qcom/msm8916-samsung-a2015-common.dtsi | 25 +++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi b/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi
index 43c5e0f882f1..67a286422a13 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi
@@ -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 {
compatible = "i2c-gpio";
sda-gpios = <&msmgpio 105 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
@@ -195,6 +208,18 @@ pinconf {
bias-disable;
};
};
+
+ tsp_en_default: tsp_en_default {
+ pinmux {
+ function = "gpio";
+ pins = "gpio73";
+ };
+ pinconf {
+ pins = "gpio73";
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
};
&smd_rpm_regulators {
--
2.26.2
