linux-kernel - Re: [PATCH 11/13] arm64: dts: qcom: sdm845: Add interconnect paths to UFSHC

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Message-ID: <3176ac93-da55-f3f3-756a-46d0d33901a7@linaro.org>
Date:   Sat, 15 Jul 2023 15:12:23 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        vireshk@...nel.org, nm@...com, sboyd@...nel.org,
        myungjoo.ham@...sung.com, kyungmin.park@...sung.com,
        cw00.choi@...sung.com, andersson@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        quic_asutoshd@...cinc.com, quic_cang@...cinc.com,
        quic_nitirawa@...cinc.com, quic_narepall@...cinc.com,
        quic_bhaskarv@...cinc.com, quic_richardp@...cinc.com,
        quic_nguyenb@...cinc.com, quic_ziqichen@...cinc.com,
        bmasney@...hat.com, krzysztof.kozlowski@...aro.org
Subject: Re: [PATCH 11/13] arm64: dts: qcom: sdm845: Add interconnect paths to
 UFSHC

On 12.07.2023 12:32, Manivannan Sadhasivam wrote:
> UFS host controller requires interconnect path configuration for proper
> working. So let's specify them for SDM845 SoC.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
>  arch/arm64/boot/dts/qcom/sdm845.dtsi | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index e04a3cbb1017..2ea6eb44953e 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -2607,6 +2607,11 @@ ufs_mem_hc: ufshc@...4000 {
>  				<&gcc GCC_UFS_PHY_ICE_CORE_CLK>;
>  
>  			operating-points-v2 = <&ufs_opp_table>;
> +
> +			interconnects = <&aggre1_noc MASTER_UFS_MEM 0 &mem_noc SLAVE_EBI1 0>,
> +					<&gladiator_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_UFS_MEM_CFG 0>;
> +			interconnect-names = "ufs-ddr", "cpu-ufs";
> +
>  			status = "disabled";
>  
>  			ufs_opp_table: opp-table {