linux-kernel - Re: [PATCH] dt-bindings: convert power domain node for rockchip DW MIPI DSI

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Date:   Sat, 11 Dec 2021 11:55:58 +0100
From:   Heiko Stübner <heiko@...ech.de>
To:     Sandy Huang <hjc@...k-chips.com>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        - <opensource@...k-chips.com>, David Heidelberg <david@...t.cz>
Cc:     ~okias/devicetree@...ts.sr.ht, David Heidelberg <david@...t.cz>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: convert power domain node for rockchip DW MIPI DSI

Hi David,

Am Montag, 6. Dezember 2021, 22:26:50 CET schrieb David Heidelberg:
> Convert into YAML format into format, which can be validated.
> 
> Changes:
>  - drop panel from example

the patch subject is strange, talking about a "power domain node".
That needs a fix.

Some more things below.


> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - enum:
> +              - rockchip,px30-mipi-dsi
> +              - rockchip,rk3288-mipi-dsi
> +              - rockchip,rk3399-mipi-dsi
> +          - const: snps,dw-mipi-dsi

> +      - items:
> +          - const: rockchip,px30-mipi-dsi
> +      - items:
> +          - const: rockchip,rk3288-mipi-dsi
> +      - items:
> +          - const: rockchip,rk3399-mipi-dsi

what are these for?

I see that px30 uses the dsi without the snps part, but you
can also just add a patch adding that second compatible to px30.dtsi

I don't think we need to support both ways.

> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks: true
> +
> +  clock-names: true
> +
> +  phys:
> +    maxItems: 1
> +    description: The external PHY

make that "Optional external PHY perhaps"?

Heiko