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Commit bf88b906 authored by Rajeev Nandan's avatar Rajeev Nandan Committed by Gerrit - the friendly Code Review server
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ARM: dts: msm: use dummy regulator for 3V eLDO supply of touch on Holi 

The 3V eLDO controlled by gpio#53 is always ON, to avoid any conflict
with the ALS sensor that is also using the same GPIO.

Make use of a dummy regulator for the touch 3V supply.

Change-Id: Ie40ab4c27a9f10222ce4fbc77f51e65acefeff8b
parent 61d92f15

qcom/holi-cdp-pm6125.dtsi

+10 −26
Original line number Diff line number Diff line
@@ -221,33 +221,17 @@ 
	qcom,cl-feedback-on;

};



&tlmm {

	touch_avdd_default: touch_avdd_default {

		mux {

			pins = "gpio53";

			function = "gpio";

		};



		config {

			pins = "gpio53";

			drive-strength = <8>;

			bias-disable = <0>;

			output-high;

		};

	};

};



&soc {

	touch_avdd: touch_avdd {

		compatible = "regulator-fixed";

		regulator-name = "touch_avdd";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		regulator-enable-ramp-delay = <233>;

		gpio = <&tlmm 53 0>;

		enable-active-high;

		pinctrl-names = "default";

		pinctrl-0 = <&touch_avdd_default>;

	touch_avdd: touch_avdd_stub {

		/*

		 * Touch eLDO controlled by gpio#53 is always ON.

		 * Using dummy regulator.

		 */

		compatible = "qcom,stub-regulator";

		regulator-name = "touch_avdd_stub";

		qcom,hpm-min-load = <10000>;

		regulator-min-microvolt = <2700000>;

		regulator-max-microvolt = <3544000>;

	};

};

qcom/holi-mtp-pm6125.dtsi

+10 −26
Original line number Diff line number Diff line
@@ -146,33 +146,17 @@ 
	};

};



&tlmm {

	touch_avdd_default: touch_avdd_default {

		mux {

			pins = "gpio53";

			function = "gpio";

		};



		config {

			pins = "gpio53";

			drive-strength = <8>;

			bias-disable = <0>;

			output-high;

		};

	};

};



&soc {

	touch_avdd: touch_avdd {

		compatible = "regulator-fixed";

		regulator-name = "touch_avdd";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		regulator-enable-ramp-delay = <233>;

		gpio = <&tlmm 53 0>;

		enable-active-high;

		pinctrl-names = "default";

		pinctrl-0 = <&touch_avdd_default>;

	touch_avdd: touch_avdd_stub {

		/*

		 * Touch eLDO controlled by gpio#53 is always ON.

		 * Using dummy regulator.

		 */

		compatible = "qcom,stub-regulator";

		regulator-name = "touch_avdd_stub";

		qcom,hpm-min-load = <10000>;

		regulator-min-microvolt = <2700000>;

		regulator-max-microvolt = <3544000>;

	};

};

qcom/holi-mtp-usbc-pm6125.dtsi

+10 −26
Original line number Diff line number Diff line
@@ -165,33 +165,17 @@ 
	};

};



&tlmm {

	touch_avdd_default: touch_avdd_default {

		mux {

			pins = "gpio53";

			function = "gpio";

		};



		config {

			pins = "gpio53";

			drive-strength = <8>;

			bias-disable = <0>;

			output-high;

		};

	};

};



&soc {

	touch_avdd: touch_avdd {

		compatible = "regulator-fixed";

		regulator-name = "touch_avdd";

		regulator-min-microvolt = <2800000>;

		regulator-max-microvolt = <3300000>;

		regulator-enable-ramp-delay = <233>;

		gpio = <&tlmm 53 0>;

		enable-active-high;

		pinctrl-names = "default";

		pinctrl-0 = <&touch_avdd_default>;

	touch_avdd: touch_avdd_stub {

		/*

		 * Touch eLDO controlled by gpio#53 is always ON.

		 * Using dummy regulator.

		 */

		compatible = "qcom,stub-regulator";

		regulator-name = "touch_avdd_stub";

		qcom,hpm-min-load = <10000>;

		regulator-min-microvolt = <2700000>;

		regulator-max-microvolt = <3544000>;

	};

};