linux-kernel - Re: [V4 3/3] arm64: dts: qcom: sc7280: Add EPSS L3 interconnect provider

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Date:   Thu, 8 Jul 2021 23:04:51 +0000
From:   Stephen Boyd <swboyd@...omium.org>
To:     Andy Gross <agross@...nel.org>,
        Odelu Kukatla <okukatla@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>, bjorn.andersson@...aro.org,
        devicetree@...r.kernel.org, evgreen@...gle.com,
        georgi.djakov@...aro.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     seansw@....qualcomm.com, elder@...aro.org,
        linux-pm@...r.kernel.org, linux-arm-msm-owner@...r.kernel.org
Subject: Re: [V4 3/3] arm64: dts: qcom: sc7280: Add EPSS L3 interconnect provider

Quoting Odelu Kukatla (2021-06-18 04:28:54)
> Add Epoch Subsystem (EPSS) L3 interconnect provider node on SC7280
> SoCs.
>
> Signed-off-by: Odelu Kukatla <okukatla@...eaurora.org>
> ---
>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 38a7f55..7690d7e 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -1153,6 +1153,15 @@
>                         };
>                 };
>
> +               epss_l3: interconnect@...90000 {
> +                       compatible = "qcom,sc7280-epss-l3";
> +                       reg = <0 0x18590000 0 1000>, <0 0x18591000 0 0x100>,
> +                               <0 0x18592000 0 0x100>, <0 0x18593000 0 0x100>;
> +                       clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GCC_GPLL0>;
> +                       clock-names = "xo", "alternate";
> +                       #interconnect-cells = <1>;
> +               };

Is this inside the soc node? Because it should be but then the next node
is called 'interconnect' and has no address so that is probably outside
the soc node. Please put nodes with a reg property like this into the
soc node.

> +
>                 clk_virt: interconnect {
>                         compatible = "qcom,sc7280-clk-virt";
>                         #interconnect-cells = <2>;