linux-kernel - Re: [PATCH 3/3] arm64: dts: qcom: sm6350: Add video clock controller

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Message-Id: <D8OCX2BM20CX.J365MYKB5ECZ@fairphone.com>
Date: Mon, 24 Mar 2025 09:35:00 +0100
From: "Luca Weiss" <luca.weiss@...rphone.com>
To: "Dmitry Baryshkov" <dmitry.baryshkov@....qualcomm.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>, "Taniya Das" <quic_tdas@...cinc.com>,
 "Konrad Dybcio" <konradybcio@...nel.org>,
 <~postmarketos/upstreaming@...ts.sr.ht>, <phone-devel@...r.kernel.org>,
 <linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
 <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] arm64: dts: qcom: sm6350: Add video clock
 controller

On Fri Mar 21, 2025 at 5:23 PM CET, Dmitry Baryshkov wrote:
> On 21/03/2025 18:15, Luca Weiss wrote:
>> Hi Dmitry,
>> 
>> On Fri Mar 21, 2025 at 4:56 PM CET, Dmitry Baryshkov wrote:
>>> On Fri, Mar 21, 2025 at 03:45:01PM +0100, Luca Weiss wrote:
>>>> Add a node for the videocc found on the SM6350 SoC.
>>>>
>>>> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
>>>> ---
>>>>   arch/arm64/boot/dts/qcom/sm6350.dtsi | 14 ++++++++++++++
>>>>   1 file changed, 14 insertions(+)
>>>>
>>>> diff --git a/arch/arm64/boot/dts/qcom/sm6350.dtsi b/arch/arm64/boot/dts/qcom/sm6350.dtsi
>>>> index 00ad1d09a19558d9e2bc61f1a81a36d466adc88e..ab7118b4f8f8cea56a3957e9df67ee1cd74820a6 100644
>>>> --- a/arch/arm64/boot/dts/qcom/sm6350.dtsi
>>>> +++ b/arch/arm64/boot/dts/qcom/sm6350.dtsi
>>>> @@ -1952,6 +1952,20 @@ usb_1_dwc3_ss_out: endpoint {
>>>>   			};
>>>>   		};
>>>>   
>>>> +		videocc: clock-controller@...0000 {
>>>> +			compatible = "qcom,sm6350-videocc";
>>>> +			reg = <0 0x0aaf0000 0 0x10000>;
>>>
>>> 0x0, please.
>> 
>> There's currently 80 cases of 0 and 20 of 0x0 in this file, is 0x0
>> the preferred way nowadays?
>> 
>> If so, shall I also change 0 to 0x0 for reg in a separate patch?
>
> I'd say, yes, please, if Bjorn / Konrad do not object.

Sure, I'll just send a patch as part of v2, there's no explicit
dependency of the series on it, so it can also just be NACKed and
ignored if so desired.

Regards
Luca

>
>> 
>> Regards
>> Luca
>> 
>>>
>>>> +			clocks = <&gcc GCC_VIDEO_AHB_CLK>,
>>>> +				 <&rpmhcc RPMH_CXO_CLK>,
>>>> +				 <&sleep_clk>;
>>>> +			clock-names = "iface",
>>>> +				      "bi_tcxo",
>>>> +				      "sleep_clk";
>>>> +			#clock-cells = <1>;
>>>> +			#reset-cells = <1>;
>>>> +			#power-domain-cells = <1>;
>>>> +		};
>>>> +
>>>>   		cci0: cci@...a000 {
>>>>   			compatible = "qcom,sm6350-cci", "qcom,msm8996-cci";
>>>>   			reg = <0 0x0ac4a000 0 0x1000>;
>>>>
>>>> -- 
>>>> 2.49.0
>>>>
>>