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Commit 48100d10 authored by Jonathan Marek's avatar Jonathan Marek Committed by Bjorn Andersson
Browse files

ARM: dts: qcom: msm8974-hammerhead: add touchscreen support 



Add support for the Synaptics RMI4 touchscreen that is found on the
Nexus 5.

Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarJonathan Marek <jonathan@marek.ca>
Signed-off-by: default avatarBrian Masney <masneyb@onstation.org>
Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
parent 15061c3e

arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts

+64 −0
Original line number Diff line number Diff line
@@ -280,6 +280,16 @@ 
			};

		};



		i2c2_pins: i2c2 {

			mux {

				pins = "gpio6", "gpio7";

				function = "blsp_i2c2";



				drive-strength = <2>;

				bias-disable;

			};

		};



		i2c3_pins: i2c3 {

			mux {

				pins = "gpio10", "gpio11";
@@ -306,6 +316,25 @@ 
				input-enable;

			};

		};



		touch_pin: touch {

			int {

				pins = "gpio5";

				function = "gpio";



				drive-strength = <2>;

				bias-disable;

				input-enable;

			};



			reset {

				pins = "gpio8";

				function = "gpio";



				drive-strength = <2>;

				bias-pull-up;

			};

		};

	};



	sdhci@f9824900 {
@@ -424,6 +453,41 @@ 
		};

	};



	i2c@f9924000 {

		status = "ok";



		clock-frequency = <355000>;

		qcom,src-freq = <50000000>;



		pinctrl-names = "default";

		pinctrl-0 = <&i2c2_pins>;



		synaptics@70 {

			compatible = "syna,rmi4-i2c";

			reg = <0x70>;



			interrupts-extended = <&msmgpio 5 IRQ_TYPE_EDGE_FALLING>;

			vdd-supply = <&pm8941_l22>;

			vio-supply = <&pm8941_lvs3>;



			pinctrl-names = "default";

			pinctrl-0 = <&touch_pin>;



			#address-cells = <1>;

			#size-cells = <0>;



			rmi4-f01@1 {

				reg = <0x1>;

				syna,nosleep-mode = <1>;

			};



			rmi4-f12@12 {

				reg = <0x12>;

				syna,sensor-type = <1>;

			};

		};

	};



	i2c@f9925000 {

		status = "ok";

		pinctrl-names = "default";