linux-kernel - Re: [PATCH V4 2/4] arm64: dts: qcom: sc7280: Add UFS nodes for sc7280 soc

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Message-Id: <CW0IX09PNB86.36RDKF8LNWIBM@fairphone.com>
Date:   Thu, 05 Oct 2023 15:01:22 +0200
From:   "Luca Weiss" <luca.weiss@...rphone.com>
To:     "Nitin Rawat" <quic_nitirawa@...cinc.com>, <agross@...nel.org>,
        <andersson@...nel.org>, <konrad.dybcio@...aro.org>,
        <mani@...nel.org>, <alim.akhtar@...sung.com>, <bvanassche@....org>,
        <avri.altman@....com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <cros-qcom-dts-watchers@...omium.org>
Cc:     <linux-arm-msm@...r.kernel.org>, <linux-scsi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH V4 2/4] arm64: dts: qcom: sc7280: Add UFS nodes for
 sc7280 soc

On Fri Sep 29, 2023 at 3:19 PM CEST, Nitin Rawat wrote:
> Add UFS host controller and PHY nodes for sc7280 soc.

Hi Nitin,

I left some comments for v3 that maybe you missed before sending v4:
https://lore.kernel.org/linux-arm-msm/CVVA1OVF4W9E.380D6QC1K9GD6@otso/

At least the clock part should definitely be fixed, ICE we can do later.

Regards
Luca

>
> Signed-off-by: Nitin Rawat <quic_nitirawa@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 66 ++++++++++++++++++++++++++++
>  1 file changed, 66 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 66f1eb83cca7..163e3df60966 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -3353,6 +3353,72 @@
>  			};
>  		};
>
> +		ufs_mem_hc: ufs@...4000 {
> +			compatible = "qcom,sc7280-ufshc", "qcom,ufshc",
> +				     "jedec,ufs-2.0";
> +			reg = <0x0 0x01d84000 0x0 0x3000>;
> +			interrupts = <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>;
> +			phys = <&ufs_mem_phy>;
> +			phy-names = "ufsphy";
> +			lanes-per-direction = <2>;
> +			#reset-cells = <1>;
> +			resets = <&gcc GCC_UFS_PHY_BCR>;
> +			reset-names = "rst";
> +
> +			power-domains = <&gcc GCC_UFS_PHY_GDSC>;
> +			required-opps = <&rpmhpd_opp_nom>;
> +
> +			iommus = <&apps_smmu 0x80 0x0>;
> +			dma-coherent;
> +
> +			interconnects = <&aggre1_noc MASTER_UFS_MEM 0 &mc_virt SLAVE_EBI1 0>,
> +					<&gem_noc MASTER_APPSS_PROC 0 &cnoc2 SLAVE_UFS_MEM_CFG 0>;
> +
> +			clocks = <&gcc GCC_UFS_PHY_AXI_CLK>,
> +				 <&gcc GCC_AGGRE_UFS_PHY_AXI_CLK>,
> +				 <&gcc GCC_UFS_PHY_AHB_CLK>,
> +				 <&gcc GCC_UFS_PHY_UNIPRO_CORE_CLK>,
> +				 <&rpmhcc RPMH_CXO_CLK>,
> +				 <&gcc GCC_UFS_PHY_TX_SYMBOL_0_CLK>,
> +				 <&gcc GCC_UFS_PHY_RX_SYMBOL_0_CLK>,
> +				 <&gcc GCC_UFS_PHY_RX_SYMBOL_1_CLK>;
> +			clock-names = "core_clk",
> +				      "bus_aggr_clk",
> +				      "iface_clk",
> +				      "core_clk_unipro",
> +				      "ref_clk",
> +				      "tx_lane0_sync_clk",
> +				      "rx_lane0_sync_clk",
> +				      "rx_lane1_sync_clk";
> +			freq-table-hz =
> +				<75000000 300000000>,
> +				<0 0>,
> +				<0 0>,
> +				<75000000 300000000>,
> +				<0 0>,
> +				<0 0>,
> +				<0 0>,
> +				<0 0>;
> +			status = "disabled";
> +		};
> +
> +		ufs_mem_phy: phy@...7000 {
> +			compatible = "qcom,sc7280-qmp-ufs-phy";
> +			reg = <0x0 0x01d87000 0x0 0xe00>;
> +			clocks = <&rpmhcc RPMH_CXO_CLK>,
> +				 <&gcc GCC_UFS_PHY_PHY_AUX_CLK>,
> +				 <&gcc GCC_UFS_1_CLKREF_EN>;
> +			clock-names = "ref", "ref_aux", "qref";
> +
> +			resets = <&ufs_mem_hc 0>;
> +			reset-names = "ufsphy";
> +
> +			#clock-cells = <1>;
> +			#phy-cells = <0>;
> +
> +			status = "disabled";
> +		};
> +
>  		usb_1_hsphy: phy@...3000 {
>  			compatible = "qcom,sc7280-usb-hs-phy",
>  				     "qcom,usb-snps-hs-7nm-phy";
> --
> 2.17.1