linux-kernel - Re: [PATCH v6 2/3] arm64: dts: qcom: sc7280: Add UFS nodes for sc7280 soc

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Message-ID: <20231205150101.GB3208@thinkpad>
Date:   Tue, 5 Dec 2023 20:31:01 +0530
From:   Manivannan Sadhasivam <mani@...nel.org>
To:     Luca Weiss <luca.weiss@...rphone.com>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        Bart Van Assche <bvanassche@....org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        cros-qcom-dts-watchers@...omium.org,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Nitin Rawat <quic_nitirawa@...cinc.com>
Subject: Re: [PATCH v6 2/3] arm64: dts: qcom: sc7280: Add UFS nodes for
 sc7280 soc

On Tue, Dec 05, 2023 at 03:38:55PM +0100, Luca Weiss wrote:
> From: Nitin Rawat <quic_nitirawa@...cinc.com>
> 
> Add UFS host controller and PHY nodes for sc7280 soc.
> 
> Signed-off-by: Nitin Rawat <quic_nitirawa@...cinc.com>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> Tested-by: Konrad Dybcio <konrad.dybcio@...aro.org> # QCM6490 FP5
> [luca: various cleanups and additions as written in the cover letter]
> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>

Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

- Mani

> ---
>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 74 +++++++++++++++++++++++++++++++++++-
>  1 file changed, 73 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 04bf85b0399a..dcb6c2004f87 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -15,6 +15,7 @@
>  #include <dt-bindings/dma/qcom-gpi.h>
>  #include <dt-bindings/firmware/qcom,scm.h>
>  #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/interconnect/qcom,icc.h>
>  #include <dt-bindings/interconnect/qcom,osm-l3.h>
>  #include <dt-bindings/interconnect/qcom,sc7280.h>
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
> @@ -906,7 +907,7 @@ gcc: clock-controller@...000 {
>  			clocks = <&rpmhcc RPMH_CXO_CLK>,
>  				 <&rpmhcc RPMH_CXO_CLK_A>, <&sleep_clk>,
>  				 <0>, <&pcie1_phy>,
> -				 <0>, <0>, <0>,
> +				 <&ufs_mem_phy 0>, <&ufs_mem_phy 1>, <&ufs_mem_phy 2>,
>  				 <&usb_1_qmpphy QMP_USB43DP_USB3_PIPE_CLK>;
>  			clock-names = "bi_tcxo", "bi_tcxo_ao", "sleep_clk",
>  				      "pcie_0_pipe_clk", "pcie_1_pipe_clk",
> @@ -2238,6 +2239,77 @@ pcie1_phy: phy@...e000 {
>  			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;
> +
> +			interconnects = <&aggre1_noc MASTER_UFS_MEM QCOM_ICC_TAG_ALWAYS
> +					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
> +					<&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ALWAYS
> +					 &cnoc2 SLAVE_UFS_MEM_CFG QCOM_ICC_TAG_ALWAYS>;
> +			interconnect-names = "ufs-ddr", "cpu-ufs";
> +
> +			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";
> +
> +			power-domains = <&rpmhpd SC7280_MX>;
> +
> +			resets = <&ufs_mem_hc 0>;
> +			reset-names = "ufsphy";
> +
> +			#clock-cells = <1>;
> +			#phy-cells = <0>;
> +
> +			status = "disabled";
> +		};
> +
>  		ipa: ipa@...0000 {
>  			compatible = "qcom,sc7280-ipa";
>  
> 
> -- 
> 2.43.0
> 

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