linux-kernel - Re: [PATCH v2 1/6] dt-bindings: clock: qcom: Add GPU clocks for QCS8300

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Message-ID: <9bd4c63b-7c68-4e40-9995-9d569eed15b5@kernel.org>
Date: Tue, 29 Oct 2024 10:36:31 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Imran Shaik <quic_imrashai@...cinc.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Ajit Pandey <quic_ajipan@...cinc.com>,
 Taniya Das <quic_tdas@...cinc.com>, Jagadeesh Kona <quic_jkona@...cinc.com>,
 Satya Priya Kakitapalli <quic_skakitap@...cinc.com>,
 linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/6] dt-bindings: clock: qcom: Add GPU clocks for
 QCS8300

On 29/10/2024 10:23, Imran Shaik wrote:
> 
> 
> On 10/28/2024 12:35 PM, Krzysztof Kozlowski wrote:
>> On 28/10/2024 06:15, Imran Shaik wrote:
>>>
>>>
>>> On 10/26/2024 5:50 PM, Krzysztof Kozlowski wrote:
>>>> On Thu, Oct 24, 2024 at 07:01:14PM +0530, Imran Shaik wrote:
>>>>> The QCS8300 GPU clock controller is mostly identical to SA8775P, but
>>>>> QCS8300 has few additional clocks and minor differences. Hence, reuse
>>>>> SA8775P gpucc bindings and add additional clocks required for QCS8300.
>>>>
>>>> IIUC, these clocks are not valid for SA8775p. How do we deal with such
>>>> cases for other Qualcomm SoCs?
>>>>
>>>
>>> These newly added clocks are not applicable to SA8755P. In the
>>> gpucc-sa8775p driver, these clocks are marked to NULL for the SA8755P,
>>> ensuring they are not registered to the CCF.
>>
>> I meant bindings. And existing practice.
>>
> 
> In the bindings, the same approach is followed in other Qualcomm SoCs as 
> well, where additional clocks are added to the existing identical SoC’s 
> bindings.
> 
> https://lore.kernel.org/r/20240818204348.197788-2-danila@jiaxyga.com

Exactly, defines are very different, so no, it is not the same approach.

Best regards,
Krzysztof