Kernel-4.18.0-80.el8_ar1021

• Microchip AR1020 and AR1021 touchscreen interface (I2C)

Required properties:

• compatible : “microchip,ar1021-i2c”
• reg : I2C slave address
• interrupt-parent : the phandle for the interrupt controller
• interrupts : touch controller interrupt

Example:

touchscreen@4d {
    compatible = "microchip,ar1021-i2c";
    reg = <0x4d>;
    interrupt-parent = <&gpio3>;
    interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;
};