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Commit 35d38f30 authored by Jagan Teki's avatar Jagan Teki Committed by Shawn Guo
Browse files

ARM: dts: imx6ul-isiot-common: Add touchscreen node 



Add touchscreen node as i2c1 slave device on Engicam Is.IoT MX6UL
modules, the touchscreen controlled 'st,stmpe-ts' connected via
i2c with st,stmpe811 mfd interface.

Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: default avatarJagan Teki <jagan@amarulasolutions.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent e13d0250

arch/arm/boot/dts/imx6ul-isiot-common.dtsi

+34 −0
Original line number Original line Diff line number Diff line
@@ -40,6 +40,34 @@ 
 *     OTHER DEALINGS IN THE SOFTWARE.

 *     OTHER DEALINGS IN THE SOFTWARE.

 */

 */





&i2c1 {

	stmpe811: gpio-expander@44 {

		compatible = "st,stmpe811";

		reg = <0x44>;

		#address-cells = <1>;

		#size-cells = <0>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_stmpe>;

		interrupt-parent = <&gpio1>;

		interrupts = <18 IRQ_TYPE_EDGE_FALLING>;

		interrupt-controller;

		#interrupt-cells = <2>;



		stmpe: touchscreen {

			compatible = "st,stmpe-ts";

			st,sample-time = <4>;

			st,mod-12b = <1>;

			st,ref-sel = <0>;

			st,adc-freq = <1>;

			st,ave-ctrl = <1>;

			st,touch-det-delay = <2>;

			st,settling = <2>;

			st,fraction-z = <7>;

			st,i-drive = <1>;

		};

	};

};



&lcdif {

&lcdif {

	pinctrl-names = "default";

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_lcdif_dat

	pinctrl-0 = <&pinctrl_lcdif_dat
@@ -104,4 +132,10 @@ 
			MX6UL_PAD_LCD_DATA17__LCDIF_DATA17  0x79

			MX6UL_PAD_LCD_DATA17__LCDIF_DATA17  0x79

		>;

		>;

	};

	};



	pinctrl_stmpe: stmpegrp  {

		fsl,pins = <

			MX6UL_PAD_UART1_CTS_B__GPIO1_IO18 0x1b0b0

		>;

	};

};
 
};