linux-kernel - Re: [PATCH 2/2] dt-bindings: arm: sunxi: Add several MBUS compatibles

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Message-ID: <3618226.MHq7AAxBmi@jernej-laptop>
Date:   Sat, 02 Jul 2022 21:46:32 +0200
From:   Jernej Škrabec <jernej.skrabec@...il.com>
To:     Chen-Yu Tsai <wens@...e.org>, Samuel Holland <samuel@...lland.org>
Cc:     Samuel Holland <samuel@...lland.org>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Maxime Ripard <maxime@...no.tech>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...ts.linux.dev
Subject: Re: [PATCH 2/2] dt-bindings: arm: sunxi: Add several MBUS compatibles

Dne sobota, 02. julij 2022 ob 06:24:47 CEST je Samuel Holland napisal(a):
> All of the sunxi SoCs since at least the A33 have a similar structure
> for the MBUS and DRAM controller, but they all have minor differences in
> MBUS port assignments and DRAM controller behavior. Give each SoC its
> own compatible.

Shouldn't be compatibles introduced when they are actually used either in 
driver or in DT file?

Best regards,
Jernej

> 
> Signed-off-by: Samuel Holland <samuel@...lland.org>
> ---
> 
>  .../bindings/arm/sunxi/allwinner,sun4i-a10-mbus.yaml   | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git
> a/Documentation/devicetree/bindings/arm/sunxi/allwinner,sun4i-a10-mbus.yaml
> b/Documentation/devicetree/bindings/arm/sunxi/allwinner,sun4i-a10-mbus.yaml
> index 2b018feb56df..99566688d033 100644
> ---
> a/Documentation/devicetree/bindings/arm/sunxi/allwinner,sun4i-a10-mbus.yaml
> +++
> b/Documentation/devicetree/bindings/arm/sunxi/allwinner,sun4i-a10-mbus.yaml
> @@ -29,10 +29,20 @@ properties:
>    compatible:
>      enum:
>        - allwinner,sun5i-a13-mbus
> +      - allwinner,sun8i-a33-mbus
> +      - allwinner,sun8i-a50-mbus
> +      - allwinner,sun8i-a83t-mbus
>        - allwinner,sun8i-h3-mbus
>        - allwinner,sun8i-r40-mbus
> +      - allwinner,sun8i-v3s-mbus
> +      - allwinner,sun8i-v536-mbus
> +      - allwinner,sun20i-d1-mbus
>        - allwinner,sun50i-a64-mbus
> +      - allwinner,sun50i-a100-mbus
>        - allwinner,sun50i-h5-mbus
> +      - allwinner,sun50i-h6-mbus
> +      - allwinner,sun50i-h616-mbus
> +      - allwinner,sun50i-r329-mbus
> 
>    reg:
>      minItems: 1