linux-kernel - Re: [PATCH V4 3/3] arm64: dts: qcom: sm8450: Add video clock controller

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Message-ID: <296befd0-53ab-f6a0-c9a5-db3decf26bfe@quicinc.com>
Date:   Fri, 19 May 2023 16:24:27 +0530
From:   Taniya Das <quic_tdas@...cinc.com>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        "Michael Turquette" <mturquette@...libre.com>
CC:     Bjorn Andersson <andersson@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <quic_skakitap@...cinc.com>, <quic_jkona@...cinc.com>
Subject: Re: [PATCH V4 3/3] arm64: dts: qcom: sm8450: Add video clock
 controller

Thanks for the review.

On 5/10/2023 1:47 AM, Konrad Dybcio wrote:
> 
> 
> On 9.05.2023 19:21, Taniya Das wrote:
>> Add device node for video clock controller on Qualcomm SM8450 platform.
>>
>> Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
>> ---
>> Changes since V3:
>>   - None.
>>
>> Changes since V2:
>>   - No changes.
>>
>> Changes since V1:
>>   - No changes.
>>
>>   arch/arm64/boot/dts/qcom/sm8450.dtsi | 12 ++++++++++++
>>   1 file changed, 12 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
>> index 595533aeafc4..00ff8efa53c7 100644
>> --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
>> @@ -756,6 +756,18 @@
>>   				      "usb3_phy_wrapper_gcc_usb30_pipe_clk";
>>   		};
>>   
>> +		videocc: clock-controller@...0000 {
> Nodes should be sorted by unit address.
> This one belongs before cci@...5000.

Yes, my bad, will update in the next patchset.

> 
>> +			compatible = "qcom,sm8450-videocc";
>> +			reg = <0 0x0aaf0000 0 0x10000>;
>> +			clocks = <&rpmhcc RPMH_CXO_CLK>,
>> +				 <&gcc GCC_VIDEO_AHB_CLK>;
> Older SoCs used to provide a vote on XO_A for videocc ahb_clk_src,
> I'd assume that's now taken care of internally?
> 

Yes, it is taken care internally.

> Konrad
>> +			power-domains = <&rpmhpd SM8450_MMCX>;
>> +			required-opps = <&rpmhpd_opp_low_svs>;
>> +			#clock-cells = <1>;
>> +			#reset-cells = <1>;
>> +			#power-domain-cells = <1>;
>> +		};
>> +
>>   		gpi_dma2: dma-controller@...000 {
>>   			compatible = "qcom,sm8450-gpi-dma", "qcom,sm6350-gpi-dma";
>>   			#dma-cells = <3>;

-- 
Thanks & Regards,
Taniya Das.