linux-kernel - Re: [PATCH V4 2/4] arm64: dts: sc7280: Add QUPv3 wrapper

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Date:   Wed, 11 Aug 2021 17:47:31 +0530
From:   rajpat@...eaurora.org
To:     Stephen Boyd <sboyd@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, rnayak@...eaurora.org,
        saiprakash.ranjan@...eaurora.org, msavaliy@....qualcomm.com,
        skakit@...eaurora.org, Roja Rani Yarubandi <rojay@...eaurora.org>
Subject: Re: [PATCH V4 2/4] arm64: dts: sc7280: Add QUPv3 wrapper_0 nodes

On 2021-07-28 00:50, Stephen Boyd wrote:
> Quoting Rajesh Patil (2021-07-26 06:40:45)
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi 
>> b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> index ca6e36b..455e58f 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> @@ -520,6 +520,25 @@
>> 
>>                 };
>> 
>> +               qup_opp_table: qup-opp-table {
> 
> Surely this can live underneath a qup node parallel to the i2c and spi
> devices?
> 
But this is common to both qup0 and qup1 right?

>> +                       compatible = "operating-points-v2";
>> +
>> +                       opp-75000000 {
>> +                               opp-hz = /bits/ 64 <75000000>;
>> +                               required-opps = <&rpmhpd_opp_low_svs>;
>> +                       };
>> +
>> +                       opp-100000000 {
>> +                               opp-hz = /bits/ 64 <100000000>;
>> +                               required-opps = <&rpmhpd_opp_svs>;
>> +                       };
>> +
>> +                       opp-128000000 {
>> +                               opp-hz = /bits/ 64 <128000000>;
>> +                               required-opps = <&rpmhpd_opp_nom>;
>> +                       };
>> +               };
>> +
>>                 qupv3_id_0: geniqup@...000 {
>>                         compatible = "qcom,geni-se-qup";
>>                         reg = <0 0x009c0000 0 0x2000>;