linux-kernel - Re: [PATCH 1/2] dt-bindings: media: video-interfaces: add support for dual edge sampling

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Message-ID: <20220117082907.hxauz4bfbwwevmge@uno.localdomain>
Date:   Mon, 17 Jan 2022 09:29:07 +0100
From:   Jacopo Mondi <jacopo@...ndi.org>
To:     Michael Riesch <michael.riesch@...fvision.net>
Cc:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Daniel Scally <djrscally@...il.com>,
        Niklas Söderlund 
        <niklas.soderlund+renesas@...natech.se>
Subject: Re: [PATCH 1/2] dt-bindings: media: video-interfaces: add support
 for dual edge sampling

Hi Michael,

On Fri, Jan 14, 2022 at 11:57:54AM +0100, Michael Riesch wrote:
> Some devices support sampling of the parallel data at both edges of the
> interface pixel clock in order to reduce the pixel clock by two.
> Use the pclk-sample property to reflect this feature in the device tree.
>
> Signed-off-by: Michael Riesch <michael.riesch@...fvision.net>

Reviewed-by: Jacopo Mondi <jacopo+renesas@...ndi.org>

Thanks
  j

> ---
>  .../devicetree/bindings/media/video-interfaces.yaml          | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/media/video-interfaces.yaml b/Documentation/devicetree/bindings/media/video-interfaces.yaml
> index 4391dce2caee..b7f77a255778 100644
> --- a/Documentation/devicetree/bindings/media/video-interfaces.yaml
> +++ b/Documentation/devicetree/bindings/media/video-interfaces.yaml
> @@ -144,9 +144,10 @@ properties:
>
>    pclk-sample:
>      $ref: /schemas/types.yaml#/definitions/uint32
> -    enum: [ 0, 1 ]
> +    enum: [ 0, 1, 2 ]
>      description:
> -      Sample data on rising (1) or falling (0) edge of the pixel clock signal.
> +      Sample data on falling (0), rising (1) or both (2) edges of the pixel
> +      clock signal.
>
>    sync-on-green-active:
>      $ref: /schemas/types.yaml#/definitions/uint32
> --
> 2.30.2
>