linux-kernel - Re: [PATCH v3 6/9] dt-bindings: sun6i-dsi: Add R40 DPHY compatible (w/ A31 fallback)

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Message-ID: <20200102110347.v7lsnmmsbp66r3ia@gilmour.lan>
Date:   Thu, 2 Jan 2020 12:03:47 +0100
From:   Maxime Ripard <mripard@...nel.org>
To:     Jagan Teki <jagan@...rulasolutions.com>
Cc:     Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Rob Herring <robh+dt@...nel.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org,
        linux-sunxi <linux-sunxi@...glegroups.com>,
        linux-amarula@...rulasolutions.com
Subject: Re: [PATCH v3 6/9] dt-bindings: sun6i-dsi: Add R40 DPHY compatible
 (w/ A31 fallback)

On Tue, Dec 31, 2019 at 06:35:25PM +0530, Jagan Teki wrote:
> The MIPI DSI PHY controller on Allwinner R40 is similar
> on the one on A31.
>
> Add R40 compatible and append A31 compatible as fallback.
>
> Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
> ---
> Changes for v3:
> - update the binding in new yaml format
>
>  .../devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml   | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml b/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml
> index 8841938050b2..0c283fe79402 100644
> --- a/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml
> +++ b/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml
> @@ -18,6 +18,7 @@ properties:
>      oneOf:
>        - const: allwinner,sun6i-a31-mipi-dphy
>        - items:
> +          - const: allwinner,sun8i-r40-mipi-dphy
>            - const: allwinner,sun50i-a64-mipi-dphy
>            - const: allwinner,sun6i-a31-mipi-dphy

This isn't doing what you say it does.

Here you're stating that there's two valid values, one that is a
single element allwinner,sun6i-a31-mipi-dphy, and another which is a
list of three elements allwinner,sun8i-r40-mipi-dphy,
allwinner,sun50i-a64-mipi-dphy and allwinner,sun6i-a31-mipi-dphy, in
that order.

Did you run make dtbs_check and dt_bindings_check?

Maxime

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