linux-kernel - Re: [PATCH v2 01/14] dt-bindings: net: mediatek: add optional properties for the SoC ethernet core

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Date:   Thu, 7 Apr 2022 12:20:55 -0500
From:   Rob Herring <robh@...nel.org>
To:     Felix Fietkau <nbd@....name>
Cc:     netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v2 01/14] dt-bindings: net: mediatek: add optional
 properties for the SoC ethernet core

On Tue, Apr 05, 2022 at 09:57:42PM +0200, Felix Fietkau wrote:
> From: Lorenzo Bianconi <lorenzo@...nel.org>
> 
> Introduce dma-coherent, cci-control and hifsys optional properties to
> the mediatek ethernet controller bindings
> 
> Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
> Signed-off-by: Felix Fietkau <nbd@....name>
> ---
>  Documentation/devicetree/bindings/net/mediatek-net.txt | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/mediatek-net.txt b/Documentation/devicetree/bindings/net/mediatek-net.txt
> index 72d03e07cf7c..13cb12ee4ed6 100644
> --- a/Documentation/devicetree/bindings/net/mediatek-net.txt
> +++ b/Documentation/devicetree/bindings/net/mediatek-net.txt
> @@ -41,6 +41,12 @@ Required properties:
>  - mediatek,pctl: phandle to the syscon node that handles the ports slew rate
>  	and driver current: only for MT2701 and MT7623 SoC
>  
> +Optional properties:
> +- dma-coherent: present if dma operations are coherent
> +- mediatek,cci-control: phandle to the cache coherent interconnect node

There's a common property for this already. See CCI-400 binding.

> +- mediatek,hifsys: phandle to the mediatek hifsys controller used to provide
> +	various clocks and reset to the system.
> +

This series is adding a handful of new properties. Please convert the 
binding to DT schema first.

Rob