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

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Date:   Tue, 27 Jul 2021 12:20:30 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rajesh Patil <rajpat@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     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>,
        Rajesh Patil <rajpat@...eaurora.org>
Subject: Re: [PATCH V4 2/4] arm64: dts: sc7280: Add QUPv3 wrapper_0 nodes

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?

> +                       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>;