linux-kernel - Re: [PATCH v2 07/18] dt-bindings: msm: dsi-controller-main: Add compatible strings for every current SoC

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Message-ID: <361a94f8-280c-89de-0681-9b662b67d7ba@linaro.org>
Date:   Fri, 18 Nov 2022 15:30:31 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Bryan O'Donoghue <bryan.odonoghue@...aro.org>, robdclark@...il.com,
        quic_abhinavk@...cinc.com, krzysztof.kozlowski+dt@...aro.org,
        robh+dt@...nel.org, quic_mkrishn@...cinc.com,
        linux-arm-msm@...r.kernel.org
Cc:     Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Loic Poulain <loic.poulain@...aro.org>,
        Shawn Guo <shawn.guo@...aro.org>
Subject: Re: [PATCH v2 07/18] dt-bindings: msm: dsi-controller-main: Add
 compatible strings for every current SoC

On 18/11/2022 15:29, Bryan O'Donoghue wrote:
> On 08/11/2022 12:46, Dmitry Baryshkov wrote:
>> On 08/11/2022 02:56, Bryan O'Donoghue wrote:
>>> Currently we do not differentiate between the various users of the
>>> qcom,mdss-dsi-ctrl. The driver is flexible enough to operate from one
>>> compatible string but, the hardware does have some significant 
>>> differences
>>> in the number of clocks.
>>>
>>> To facilitate documenting the clocks add the following compatible 
>>> strings
>>>
>>> - qcom,mdss-dsi-ctrl-apq8064
>>
>> Generic comment: I think we'd better follow the arm/qcom-soc.yaml and 
>> use qcom,soc-something as compat string. This would leave us with 
>> qcom,apq8064-dsi-ctrl
>>
>> I'm not sure if we want to follow the qcm2290 approach and encode the 
>> DSI ctrl revision here (6g vs v2).
> 
> For qcm2290 I'm thinking qcm2290-dsi-ctrl - without the 6g piece.

This sounds good too.

> 
> a) Nobody is using the compat at the moment
> b) I'm not sure what - if any real information the silicon version
>     number conveys here.
> 
> + Loic, Shawn
> 
> ---
> bod
> 

-- 
With best wishes
Dmitry