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Commit 1a3290b8 authored by Dmitry Lifshitz's avatar Dmitry Lifshitz Committed by Tony Lindgren
Browse files

ARM: dts: cm-t54: add ADS7846 touchscreen support 



Add ADS7846 touchscreen support.

Signed-off-by: default avatarDmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent ac84d6cc

arch/arm/boot/dts/omap5-cm-t54.dts

+61 −0
Original line number Diff line number Diff line
@@ -51,6 +51,13 @@ 
		enable-active-high;

	};



	ads7846reg: ads7846-reg {

		compatible = "regulator-fixed";

		regulator-name = "ads7846-reg";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

	};



	/* HS USB Host PHY on PORT 2 */

	hsusb2_phy: hsusb2_phy {

		compatible = "usb-nop-xceiv";
@@ -164,6 +171,15 @@ 
	};

};



&omap5_pmx_wkup {



	ads7846_pins: pinmux_ads7846_pins {

		pinctrl-single,pins = <

			0x02 (PIN_INPUT_PULLDOWN | MUX_MODE6)  /* llib_wakereqin.gpio1_wk15 */

		>;

	};

};



&omap5_pmx_core {

	pinctrl-names = "default";

	pinctrl-0 = <
@@ -300,6 +316,51 @@ 
			OMAP5_IOPAD(0x013a, PIN_OUTPUT | MUX_MODE3) /* gpio6_187.dispc_data23 */

		>;

	};



	mcspi2_pins: pinmux_mcspi1_pins {

		pinctrl-single,pins = <

			OMAP5_IOPAD(0x00fc, PIN_INPUT | MUX_MODE0) /* mcspi2_clk */

			OMAP5_IOPAD(0x00fe, PIN_INPUT | MUX_MODE0) /* mcspi2_simo */

			OMAP5_IOPAD(0x0100, PIN_INPUT | MUX_MODE0) /* mcspi2_somi */

			OMAP5_IOPAD(0x0102, PIN_INPUT | MUX_MODE0) /* mcspi2_cs0 */

		>;

	};

};



&mcspi2 {

	pinctrl-names = "default";

	pinctrl-0 = <&mcspi2_pins>;



	/* touch controller */

	ads7846@0 {

		pinctrl-names = "default";

		pinctrl-0 = <&ads7846_pins>;



		compatible = "ti,ads7846";

		vcc-supply = <&ads7846reg>;



		reg = <0>;				/* CS0 */

		spi-max-frequency = <1500000>;



		interrupt-parent = <&gpio1>;

		interrupts = <15 0>;			/* gpio1_wk15 */

		pendown-gpio = <&gpio1 15 0>;





		ti,x-min = /bits/ 16 <0x0>;

		ti,x-max = /bits/ 16 <0x0fff>;

		ti,y-min = /bits/ 16 <0x0>;

		ti,y-max = /bits/ 16 <0x0fff>;



		ti,x-plate-ohms = /bits/ 16 <180>;

		ti,pressure-max = /bits/ 16 <255>;



		ti,debounce-max = /bits/ 16 <30>;

		ti,debounce-tol = /bits/ 16 <10>;

		ti,debounce-rep = /bits/ 16 <1>;



		linux,wakeup;

	};

};



&mmc1 {