linux-stable/Documentation/devicetree/bindings/gpio/gpio-zevio.txt
Fabian Vogt 9af4d80ba5 gpio: New driver for LSI ZEVIO SoCs
This driver supports the GPIO controller found in LSI ZEVIO SoCs.
It has been successfully tested on a TI nspire CX calculator.

Signed-off-by: Fabian Vogt <fabian@ritter-vogt.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-27 10:30:42 +01:00

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Zevio GPIO controller
Required properties:
- compatible: Should be "lsi,zevio-gpio"
- reg: Address and length of the register set for the device
- #gpio-cells: Should be two. The first cell is the pin number and the
second cell is used to specify optional parameters (currently unused).
- gpio-controller: Marks the device node as a GPIO controller.
Example:
gpio: gpio@90000000 {
compatible = "lsi,zevio-gpio";
reg = <0x90000000 0x1000>;
gpio-controller;
#gpio-cells = <2>;
};