linux-kernel - Re: [PATCH v2 1/2] dt-bindings: arm: rockchip: Add libretech for roc-pc binding

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Date:   Tue, 3 Dec 2019 16:37:04 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jagan Teki <jagan@...rulasolutions.com>
Cc:     Heiko Stuebner <heiko@...ech.de>, Levin Du <djw@...hip.com.cn>,
        Akash Gajjar <akash@...nedev.com>,
        Mark Rutland <mark.rutland@....com>,
        Da Xue <da@...sconfused.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-amarula@...rulasolutions.com
Subject: Re: [PATCH v2 1/2] dt-bindings: arm: rockchip: Add libretech for
 roc-pc binding

On Wed, Nov 20, 2019 at 12:28:16AM +0530, Jagan Teki wrote:
> Though the ROC-PC is manufactured by firefly, it is co-designed
> by libretch like other Libretech computer boards from allwinner,
> amlogic does.
> 
> It is always meaningful to keep maintain those vendors who are
> part of design participation, so add libretech roc-pc compatible
> with existing binding.

Maybe so, but this is pretty pointless if it's not different h/w. 
Compatible strings are simply a h/w identifier.

> Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
> ---
>  Documentation/devicetree/bindings/arm/rockchip.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/rockchip.yaml b/Documentation/devicetree/bindings/arm/rockchip.yaml
> index f7470ed1e17d..45728fd22af8 100644
> --- a/Documentation/devicetree/bindings/arm/rockchip.yaml
> +++ b/Documentation/devicetree/bindings/arm/rockchip.yaml
> @@ -100,6 +100,7 @@ properties:
>        - description: Firefly ROC-RK3399-PC
>          items:
>            - enum:
> +              - libretech,roc-rk3399-pc
>                - firefly,roc-rk3399-pc
>                - firefly,roc-rk3399-pc-mezzanine

This doesn't match your change in the dts. file. The schema says there 
are 2 strings with the first one being 1 of these 3.

>            - const: rockchip,rk3399
> -- 
> 2.18.0.321.gffc6fa0e3
>