linux-kernel - Re: [PATCH 1/6] dt-bindings: pwm: allwinner: Add H6 PWM description

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Date:   Sat, 27 Jul 2019 12:42:08 +0200
From:   Maxime Ripard <mripard@...nel.org>
To:     Jernej Skrabec <jernej.skrabec@...l.net>
Cc:     thierry.reding@...il.com, wens@...e.org, robh+dt@...nel.org,
        mark.rutland@....com, linux-pwm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH 1/6] dt-bindings: pwm: allwinner: Add H6 PWM description

Hi,

On Fri, Jul 26, 2019 at 08:40:40PM +0200, Jernej Skrabec wrote:
> H6 PWM block is basically the same as A20 PWM, except that it also has
> bus clock and reset line which needs to be handled accordingly.
>
> Expand Allwinner PWM binding with H6 PWM specifics.
>
> Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
> ---
>  .../bindings/pwm/allwinner,sun4i-a10-pwm.yaml | 36 ++++++++++++++++++-
>  1 file changed, 35 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml b/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml
> index 0ac52f83a58c..deca5d81802f 100644
> --- a/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml
> +++ b/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml
> @@ -30,13 +30,47 @@ properties:
>        - items:
>            - const: allwinner,sun50i-h5-pwm
>            - const: allwinner,sun5i-a13-pwm
> +      - const: allwinner,sun50i-h6-pwm
>
>    reg:
>      maxItems: 1
>
> -  clocks:
> +  # Even though it only applies to subschemas under the conditionals,
> +  # not listing them here will trigger a warning because of the
> +  # additionalsProperties set to false.
> +  clocks: true
> +  clock-names: true
> +  resets:
>      maxItems: 1
>
> +allOf:
> +  - if:

There's only one condition, so you don't really need the allOf.

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com