linux-kernel - Re: [PATCH V2 1/6] dt-bindings: clock: qcom: Add SM8550 camera clock controller

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Message-ID: <546876ba-970d-5cd5-648e-723698ca74fd@linaro.org>
Date:   Fri, 26 May 2023 13:29:44 +0100
From:   Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To:     Jagadeesh Kona <quic_jkona@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
        Vinod Koul <vkoul@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Taniya Das <quic_tdas@...cinc.com>,
        Satya Priya Kakitapalli <quic_skakitap@...cinc.com>,
        Imran Shaik <quic_imrashai@...cinc.com>,
        Ajit Pandey <quic_ajipan@...cinc.com>
Subject: Re: [PATCH V2 1/6] dt-bindings: clock: qcom: Add SM8550 camera clock
 controller

On 25/05/2023 18:21, Jagadeesh Kona wrote:
> Add device tree bindings for the camera clock controller on
> Qualcomm SM8550 platform.
> 
> Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
> Signed-off-by: Jagadeesh Kona <quic_jkona@...cinc.com>
> ---
> Changes since V1:
>   - Removed new YAML file and reused SM8450 CAMCC YAML file for SM8550
> 
>   .../bindings/clock/qcom,sm8450-camcc.yaml     |   8 +-
>   include/dt-bindings/clock/qcom,sm8550-camcc.h | 187 ++++++++++++++++++
>   2 files changed, 193 insertions(+), 2 deletions(-)
>   create mode 100644 include/dt-bindings/clock/qcom,sm8550-camcc.h
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,sm8450-camcc.yaml b/Documentation/devicetree/bindings/clock/qcom,sm8450-camcc.yaml
> index 87ae74166807..8dbc9004202f 100644
> --- a/Documentation/devicetree/bindings/clock/qcom,sm8450-camcc.yaml
> +++ b/Documentation/devicetree/bindings/clock/qcom,sm8450-camcc.yaml
> @@ -13,11 +13,15 @@ description: |
>     Qualcomm camera clock control module provides the clocks, resets and power
>     domains on SM8450.
>   
> -  See also:: include/dt-bindings/clock/qcom,sm8450-camcc.h
> +  See also::
> +    include/dt-bindings/clock/qcom,sm8450-camcc.h
> +    include/dt-bindings/clock/qcom,sm8550-camcc.h
>   
>   properties:
>     compatible:
> -    const: qcom,sm8450-camcc
> +    enum:
> +      - qcom,sm8450-camcc
> +      - qcom,sm8550-camcc

Hmm,

So looking at Documentation/devicetree/bindings/clock/*camcc*.yaml we 
seem to be repeating yaml over and over again with no substantial 
difference between one description and another.

You've picked at the thread here by adding sm8550 into sm8450.

I think sm8250, sm8450, sm8550, sc7280 and ... probably sm6350 should 
live in the one yaml description 
Documentation/devicetree/bindings/clock/qcom,camcc.yaml

sm6350 looks a bit sparse/incomplete to me so perhaps leave that out. 
The others sc7280, sm8250, sm8450 and sm8550 can/should all be moved 
into the same yaml file with a list of compatibles.

---
bod