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APM X-Gene SoC GPIO controller bindings
This is a gpio controller that is part of the flash controller.
This gpio controller controls a total of 48 gpios.
Required properties:
- compatible: "apm,xgene-gpio" for X-Gene GPIO controller
- reg: Physical base address and size of the controller's registers
- #gpio-cells: Should be two.
- first cell is the pin number
- second cell is used to specify the gpio polarity:
0 = active high
1 = active low
- gpio-controller: Marks the device node as a GPIO controller.
gpio0: gpio0@1701c000 {
compatible = "apm,xgene-gpio";
reg = <0x0 0x1701c000 0x0 0x40>;
#gpio-cells = <2>;