On Fri, 2013-01-04 at 01:40 +0100, Laurent Pinchart wrote:
> +- #gpio-cells: Should be 2. The first cell is the pin number and the second
> cell
> + is used to specify optional parameters (currently unused).
...
> + gpio: pfc@e6050000 {
> + compatible = "renesas,pfc-sh73a0";
> + reg = <0xe6050000 0x8000>,
> + <0xe605801c 0x1c>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + };
> +
> +Example 2: A GPIO LED node that references a GPIO
> +
> + leds {
> + compatible = "gpio-leds";
> + led1 {
> + gpios = <&gpio 20 1>; /* Active low */
> + };
> + };
> +
The second cell of gpio is '(currently unused)' but the example shows it
being used?
Regards
Tony Prisk
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