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Date: Thu, 14 Mar 2024 14:43:41 +0530
From: "Satya Priya Kakitapalli (Temp)" <quic_skakitap@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio
	<konrad.dybcio@...aro.org>,
        Rob Herring <robh@...nel.org>,
        "Krzysztof
 Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        "Stephen
 Boyd" <sboyd@...nel.org>,
        Ajit Pandey <quic_ajipan@...cinc.com>,
        Imran Shaik
	<quic_imrashai@...cinc.com>,
        Taniya Das <quic_tdas@...cinc.com>,
        "Jagadeesh
 Kona" <quic_jkona@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>
Subject: Re: [PATCH 3/3] arm64: dts: qcom: sm8150: Add video clock controller
 node


On 3/14/2024 12:46 AM, Dmitry Baryshkov wrote:
> On Wed, 13 Mar 2024 at 13:11, Satya Priya Kakitapalli
> <quic_skakitap@...cinc.com> wrote:
>> Add device node for video clock controller on Qualcomm
>> SM8150 platform.
>>
>> Signed-off-by: Satya Priya Kakitapalli <quic_skakitap@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/sa8155p.dtsi |  4 ++++
>>   arch/arm64/boot/dts/qcom/sm8150.dtsi  | 13 +++++++++++++
>>   2 files changed, 17 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sa8155p.dtsi b/arch/arm64/boot/dts/qcom/sa8155p.dtsi
>> index ffb7ab695213..9e70effc72e1 100644
>> --- a/arch/arm64/boot/dts/qcom/sa8155p.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sa8155p.dtsi
>> @@ -38,3 +38,7 @@ &rpmhpd {
>>           */
>>          compatible = "qcom,sa8155p-rpmhpd";
>>   };
>> +
>> +&videocc {
>> +       power-domains = <&rpmhpd SA8155P_CX>;
>> +};
>> diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
>> index a35c0852b5a1..6573c907d7e2 100644
>> --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
>> @@ -14,6 +14,7 @@
>>   #include <dt-bindings/clock/qcom,dispcc-sm8150.h>
>>   #include <dt-bindings/clock/qcom,gcc-sm8150.h>
>>   #include <dt-bindings/clock/qcom,gpucc-sm8150.h>
>> +#include <dt-bindings/clock/qcom,videocc-sm8150.h>
>>   #include <dt-bindings/interconnect/qcom,osm-l3.h>
>>   #include <dt-bindings/interconnect/qcom,sm8150.h>
>>   #include <dt-bindings/thermal/thermal.h>
>> @@ -3715,6 +3716,18 @@ usb_2_dwc3: usb@...0000 {
>>                          };
>>                  };
>>
>> +               videocc: clock-controller@...0000 {
>> +                       compatible = "qcom,sm8150-videocc";
>> +                       reg = <0 0x0ab00000 0 0x10000>;
>> +                       clocks = <&rpmhcc RPMH_CXO_CLK>,
>> +                                <&gcc GCC_VIDEO_AHB_CLK>;
>> +                       power-domains = <&rpmhpd SM8150_MMCX>;
>> +                       required-opps = <&rpmhpd_opp_low_svs>;
> Should not be necessary anymore.


Whenever the rail is turned on, we want to keep it in low_svs state 
instead of retention, hence added this property , please let me know why 
you think it is not needed?


>> +                       #clock-cells = <1>;
>> +                       #reset-cells = <1>;
>> +                       #power-domain-cells = <1>;
>> +               };
>> +
>>                  camnoc_virt: interconnect@...0000 {
>>                          compatible = "qcom,sm8150-camnoc-virt";
>>                          reg = <0 0x0ac00000 0 0x1000>;
>>
>> --
>> 2.25.1
>>
>>
>

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