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* Sitronix st1232 or st1633 touchscreen controller

Required properties:
- compatible: must contain one of
  * "sitronix,st1232"
  * "sitronix,st1633"
- reg: I2C address of the chip
- interrupts: interrupt to which the chip is connected

Optional properties:
- gpios: a phandle to the reset GPIO

For additional optional properties see: touchscreen.txt

Example:

	i2c@00000000 {
		/* ... */

		touchscreen@55 {
			compatible = "sitronix,st1232";
			reg = <0x55>;
			interrupts = <2 0>;
			gpios = <&gpio1 166 0>;
		};

		/* ... */
	};