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* TS-4800 FPGA's GPIO controller bindings
Required properties:
- compatible: Must be "technologic,ts4800-gpio".
- #gpio-cells: Should be two. The first cell is the pin number.
- reg: Physical base address of the controller and length
of memory mapped region.
Optional property:
- ngpios: See "gpio.txt"
Example:
gpio1: gpio {
compatible = "technologic,ts4800-gpio";
reg = <0x10020 0x6>;
ngpios = <8>;
gpio-controller;
#gpio-cells = <2>;
};