linux-kernel - Re: [PATCH v9 1/9] dt-bindings: sun6i-dsi: Add A64 MIPI-DSI compatible

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Date:   Fri, 31 May 2019 08:59:28 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Jagan Teki <jagan@...rulasolutions.com>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Chen-Yu Tsai <wens@...e.org>, dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Michael Trimarchi <michael@...rulasolutions.com>,
        devicetree@...r.kernel.org, linux-sunxi@...glegroups.com,
        linux-amarula@...rulasolutions.com,
        Sergey Suloev <ssuloev@...altech.com>,
        Ryan Pannell <ryan@...kl.com>, bshah@...olab.com
Subject: Re: [PATCH v9 1/9] dt-bindings: sun6i-dsi: Add A64 MIPI-DSI
 compatible

On Wed, May 29, 2019 at 04:26:07PM +0530, Jagan Teki wrote:
> The MIPI DSI controller in Allwinner A64 is similar to A33.
>
> But unlike A33, A64 doesn't have DSI_SCLK gating so it is valid
> to with separate compatible for A64 on the same driver.
>
> Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
> Reviewed-by: Rob Herring <robh@...nel.org>
> Tested-by: Merlijn Wajer <merlijn@...zup.org>
> ---
>  Documentation/devicetree/bindings/display/sunxi/sun6i-dsi.txt | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/display/sunxi/sun6i-dsi.txt b/Documentation/devicetree/bindings/display/sunxi/sun6i-dsi.txt
> index 1cc40663b7a2..9877398be69a 100644
> --- a/Documentation/devicetree/bindings/display/sunxi/sun6i-dsi.txt
> +++ b/Documentation/devicetree/bindings/display/sunxi/sun6i-dsi.txt
> @@ -12,6 +12,7 @@ The DSI Encoder generates the DSI signal from the TCON's.
>  Required properties:
>    - compatible: value must be one of:
>      * allwinner,sun6i-a31-mipi-dsi
> +    * allwinner,sun50i-a64-mipi-dsi
>    - reg: base address and size of memory-mapped region
>    - interrupts: interrupt associated to this IP
>    - clocks: phandles to the clocks feeding the DSI encoder

We've switch to YAML now, and the compatible should be expressed that
way now:

compatible:
  enum:
    - allwinner,sun6i-a31-mipi-dsi
    - allwinner,sun50i-a64-mipi-dsi

Maxime

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