linux-kernel - Re: [PATCH V2 2/3] arm64: dts: qcom: sc7280: Add UFS nodes for sc7280 soc

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Message-ID: <10b19caa-466b-e98e-a6e1-05658ff74cd0@quicinc.com>
Date:   Wed, 27 Sep 2023 13:51:35 +0530
From:   Nitin Rawat <quic_nitirawa@...cinc.com>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>, <agross@...nel.org>,
        <andersson@...nel.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 V2 2/3] arm64: dts: qcom: sc7280: Add UFS nodes for sc7280
 soc



On 9/27/2023 12:01 AM, Konrad Dybcio wrote:
> On 26.09.2023 18:20, Nitin Rawat wrote:
>> Add UFS host controller and PHY nodes for sc7280 soc.
>>
>> Signed-off-by: Nitin Rawat <quic_nitirawa@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/sc7280.dtsi | 64 ++++++++++++++++++++++++++++
>>   1 file changed, 64 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> index 66f1eb83cca7..3be8ea090ade 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> @@ -3353,6 +3353,70 @@
>>   			};
>>   		};
>>
>> +		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;
>> +
>> +			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";
> As discussed, property-names is preferred to come after
> property, just like in the other node you're adding.
Sure. Updated this in latest patchset and updated the binding as well.

> 
> [...]
> 
>> +		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";
>> +
>> +		};
> Stray newline above.
Removed this in latest Patchset

> 
> Konrad

Thanks,
Nitin