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Message-ID: <20230822070841.GA24753@thinkpad>
Date:   Tue, 22 Aug 2023 12:38:41 +0530
From:   Manivannan Sadhasivam <mani@...nel.org>
To:     Nitin Rawat <quic_nitirawa@...cinc.com>
Cc:     mani@...nel.org, agross@...nel.org, andersson@...nel.org,
        konrad.dybcio@...aro.org, alim.akhtar@...sung.com,
        bvanassche@....org, robh+dt@...nel.org, avri.altman@....com,
        cros-qcom-dts-watchers@...omium.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH V1 2/2] arm64: dts: qcom: sc7280: Add UFS host controller
 and phy nodes

On Mon, Aug 21, 2023 at 03:19:37PM +0530, Nitin Rawat wrote:
> Add UFS host controller and PHY nodes for sc7280.
> 

You should split this patch into 2. One for SoC and another for board.

> Signed-off-by: Nitin Rawat <quic_nitirawa@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 19 +++++++
>  arch/arm64/boot/dts/qcom/sc7280.dtsi     | 64 ++++++++++++++++++++++++
>  2 files changed, 83 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> index 2ff549f4dc7a..c60cdd511222 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> @@ -451,6 +451,25 @@
>  	status = "okay";
>  };
> 
> +&ufs_mem_hc {
> +	reset-gpios = <&tlmm 175 GPIO_ACTIVE_LOW>;
> +	vcc-supply = <&vreg_l7b_2p9>;
> +	vcc-max-microamp = <800000>;
> +	vccq-supply = <&vreg_l9b_1p2>;
> +	vccq-max-microamp = <900000>;
> +	vccq2-supply = <&vreg_l9b_1p2>;
> +	vccq2-max-microamp = <900000>;
> +
> +	status = "okay";
> +};
> +
> +&ufs_mem_phy {
> +	vdda-phy-supply = <&vreg_l10c_0p8>;
> +	vdda-pll-supply = <&vreg_l6b_1p2>;
> +
> +	status = "okay";
> +};
> +
>  &sdhc_1 {
>  	status = "okay";
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 925428a5f6ae..d4a15d56b384 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -908,6 +908,70 @@
>  			};
>  		};
> 
> +		ufs_mem_phy: phy@...7000 {

Please sort the nodes in ascending order.

> +			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";
> +
> +		};
> +
> +		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";

"clocks" property should come first.

- Mani

> +			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>;
> +			freq-table-hz =
> +				<75000000 300000000>,
> +				<0 0>,
> +				<0 0>,
> +				<75000000 300000000>,
> +				<0 0>,
> +				<0 0>,
> +				<0 0>,
> +				<0 0>;
> +			status = "disabled";
> +		};
> +
>  		sdhc_1: mmc@...000 {
>  			compatible = "qcom,sc7280-sdhci", "qcom,sdhci-msm-v5";
>  			pinctrl-names = "default", "sleep";
> --
> 2.17.1
> 

-- 
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