On Fri, Jan 12, 2018 at 04:22:50PM +0200, Claudiu Beznea wrote:
> pwm-cells should be at least 2 to provide channel number and period value.
Nacked-by: Brian Norris <briannorris@xxxxxxxxxxxx>
We don't control the period from the kernel; only the duty cycle. (Now,
that's perhaps not a wise firmware interface, and we may fix that
someday, but you can't just declare a breaking change to a documented,
reviewed binding.)
> Cc: Brian Norris <briannorris@xxxxxxxxxxxx>
> Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.txt | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.txt b/Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.txt
> index 472bd46ab5a4..03347fd302b5 100644
> --- a/Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.txt
> +++ b/Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.txt
> @@ -8,7 +8,7 @@ Documentation/devicetree/bindings/mfd/cros-ec.txt).
>
> Required properties:
> - compatible: Must contain "google,cros-ec-pwm"
> -- #pwm-cells: Should be 1. The cell specifies the PWM index.
> +- #pwm-cells: Should be 2. The cell specifies the PWM index.
Umm, "2 cells", but you use the singular "cell", and don't document what
the second one is? That's nonsense.
Brian
>
> Example:
> cros-ec@0 {
> @@ -18,6 +18,6 @@ Example:
>
> cros_ec_pwm: ec-pwm {
> compatible = "google,cros-ec-pwm";
> - #pwm-cells = <1>;
> + #pwm-cells = <2>;
> };
> };
> --
> 2.7.4
>
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