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MOXA ART GPIO Controller
Required properties:
- #gpio-cells : Should be 2, The first cell is the pin number,
the second cell is used to specify polarity:
0 = active high
1 = active low
- compatible : Must be "moxa,moxart-gpio"
- reg : Should contain registers location and length
Example:
gpio: gpio@98700000 {
gpio-controller;
#gpio-cells = <2>;
compatible = "moxa,moxart-gpio";
reg = <0x98700000 0xC>;
};
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