linux-kernel - Re: [4/4] arm64: dts: qcom: sc7280: Add clocks for QOS configuration

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Message-ID: <CAA8EJpoU=jOSERW70NBXkr5JARH+2TAL1KSb130DTcSu4EmX4w@mail.gmail.com>
Date: Mon, 22 Jan 2024 19:43:26 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Odelu Kukatla <quic_okukatla@...cinc.com>
Cc: georgi.djakov@...aro.org, cros-qcom-dts-watchers@...omium.org, 
	Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>, 
	Rob Herring <robh+dt@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, 
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [4/4] arm64: dts: qcom: sc7280: Add clocks for QOS configuration

On Mon, 22 Jan 2024 at 16:39, Odelu Kukatla <quic_okukatla@...cinc.com> wrote:
>
> Add clock handles for required clocks to be enabled for
> configuring QoS on sc7280.
>
> Change-Id: I58991300ff1d8d2865763d4e79ee81c03586249e
> Signed-off-by: Odelu Kukatla <quic_okukatla@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 83b5b76ba179..73acf1bd0f97 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -2099,6 +2099,8 @@
>                         reg = <0 0x016e0000 0 0x1c080>;
>                         #interconnect-cells = <2>;
>                         qcom,bcm-voters = <&apps_bcm_voter>;
> +                       clocks = <&gcc GCC_AGGRE_UFS_PHY_AXI_CLK>,
> +                               <&gcc GCC_AGGRE_USB3_PRIM_AXI_CLK>;
>                 };
>
>                 aggre2_noc: interconnect@...0000 {
> @@ -2106,6 +2108,7 @@
>                         compatible = "qcom,sc7280-aggre2-noc";
>                         #interconnect-cells = <2>;
>                         qcom,bcm-voters = <&apps_bcm_voter>;
> +                       clocks = <&rpmhcc RPMH_IPA_CLK>;

Is there any reason to write QoS for the IPA before the IPA starts
poking around? The same question applies to aggre1 NoC.

>                 };
>
>                 mmss_noc: interconnect@...0000 {
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
>


-- 
With best wishes
Dmitry