Commit c6b4ddc0 authored by Stephan Gerhold's avatar Stephan Gerhold Committed by Bjorn Andersson
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arm64: dts: qcom: msm8916-samsung-serranove: Add touch screen 



Like msm8916-samsung-a3u-eur, the S4 Mini VE uses a Zinitix BT541
touch screen. Add it together with the necessary fixed-regulator
to the device tree.

Signed-off-by: default avatarStephan Gerhold <stephan@gerhold.net>
Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004201921.18526-3-stephan@gerhold.net
parent 0e0253cc

arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts

+50 −0
Original line number Diff line number Diff line
@@ -78,6 +78,19 @@ 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)>;
@@ -102,6 +115,27 @@ muic: extcon@14 { 
	};

};



&blsp_i2c5 {

	status = "okay";



	touchscreen@20 {

		compatible = "zinitix,bt541";

		reg = <0x20>;



		interrupt-parent = <&msmgpio>;

		interrupts = <13 IRQ_TYPE_EDGE_FALLING>;



		touchscreen-size-x = <540>;

		touchscreen-size-y = <960>;



		vdd-supply = <&reg_vdd_tsp>;

		vddo-supply = <&pm8916_l6>;



		pinctrl-names = "default";

		pinctrl-0 = <&tsp_irq_default>;

	};

};



&blsp1_uart2 {

	status = "okay";

};
@@ -298,4 +332,20 @@ muic_irq_default: muic-irq-default { 
		drive-strength = <2>;

		bias-disable;

	};



	tsp_en_default: tsp-en-default {

		pins = "gpio73";

		function = "gpio";



		drive-strength = <2>;

		bias-disable;

	};



	tsp_irq_default: tsp-irq-default {

		pins = "gpio13";

		function = "gpio";



		drive-strength = <2>;

		bias-disable;

	};

};