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Raydium I2C touchscreen

Required properties:
- compatible: must be "raydium,rm32380"
- reg: The I2C address of the device
- interrupt-parent: the phandle for the interrupt controller
- interrupts: interrupt to which the chip is connected
    See ../interrupt-controller/interrupts.txt
Optional properties:
- avdd-supply: analog power supply needed to power device
- vccio-supply: IO Power source
- reset-gpios: reset gpio the chip is connected to.

Example:
	touchscreen@39 {
		compatible = "raydium,rm32380";
		reg = <0x39>;
		interrupt-parent = <&gpio>;
		interrupts = <0x0 IRQ_TYPE_EDGE_FALLING>;
	};