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Commit 6c95771f authored by Adam Ford's avatar Adam Ford Committed by Tony Lindgren
Browse files

ARM: OMAP2+: LogicPD Torpedo: Add Touchscreen Support 



The development kit uses a TSC2004 chip attached to I2C3.

Signed-off-by: default avatarAdam Ford <aford173@gmail.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent fcf58958

arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts

+27 −0
Original line number Diff line number Diff line
@@ -204,6 +204,12 @@ 
		>;

	};



	tsc2004_pins: pinmux_tsc2004_pins {

		pinctrl-single,pins = <

			OMAP3_CORE1_IOPAD(0x2186, PIN_INPUT | MUX_MODE4)	/* mcbsp4_dr.gpio_153 */

		>;

	};



	backlight_pins: pinmux_backlight_pins {

		pinctrl-single,pins = <

			OMAP3_CORE1_IOPAD(0x20B8, PIN_OUTPUT | MUX_MODE4)       /* gpmc_ncs5.gpio_56 */
@@ -262,6 +268,27 @@ 
	};

};



&i2c3 {

	touchscreen: tsc2004@48 {

		compatible = "ti,tsc2004";

		reg = <0x48>;

		vio-supply = <&vaux1>;

		pinctrl-names = "default";

		pinctrl-0 = <&tsc2004_pins>;

		interrupts-extended = <&gpio5 25 IRQ_TYPE_EDGE_RISING>; /* gpio 153 */



		touchscreen-fuzz-x = <4>;

		touchscreen-fuzz-y = <7>;

		touchscreen-fuzz-pressure = <2>;

		touchscreen-size-x = <4096>;

		touchscreen-size-y = <4096>;

		touchscreen-max-pressure = <2048>;



		ti,x-plate-ohms = <280>;

		ti,esd-recovery-timeout-ms = <8000>;

	};

};



&uart1 {

	interrupts-extended = <&intc 72 &omap3_pmx_core OMAP3_UART1_RX>;

};