On Fri, May 24, 2013 at 6:21 PM, James Hogan <james.ho...@imgtec.com> wrote:
> Add a GPIO driver for the low-power Powerdown Controller GPIOs in the
> TZ1090 SoC.
(...)
> + Values for gpio specifier:
> + - GPIO number: a value in the range 0 to 6.
> + - GPIO flags: bit field of flags:
> + 1: active low
Use #include <dt-bindings/gpio/gpio.h>
for flags and symbolic names.
> +Optional properties:
> +- gpio-ranges: Mapping to pin controller pins
> +
> +- interrupts: Individual syswake interrupts (other GPIOs cannot interrupt)
> +
> +
> +Example:
> +
> + pdc_gpios: gpio-controller@02006500 {
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + compatible = "img,tz1090-pdc-gpio";
> + reg = <0x02006500 0x100>;
> +
> + interrupt-parent = <&pdc>;
> + interrupts = <1 0 0>, /* Syswake 0 */
> + <1 1 0>, /* Syswake 1 */
> + <1 2 0>; /* Syswake 2 */
> + };
Interrupt flags seem to be undocumented here.
Apart from this it's looking nice.
Yours,
Linus Walleij
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