linux-kernel - Re: [PATCH 5/6] arm64: dts: qcom: milos: Add UFS nodes

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Message-ID: <2486dc4b-71f3-4cd9-8139-b397407d7e4d@linaro.org>
Date: Wed, 7 Jan 2026 14:53:32 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Luca Weiss <luca.weiss@...rphone.com>,
 Herbert Xu <herbert@...dor.apana.org.au>,
 "David S. Miller" <davem@...emloft.net>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
 Alim Akhtar <alim.akhtar@...sung.com>, Avri Altman <avri.altman@....com>,
 Bart Van Assche <bvanassche@....org>, Vinod Koul <vkoul@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, linux-crypto@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-scsi@...r.kernel.org, linux-phy@...ts.infradead.org
Subject: Re: [PATCH 5/6] arm64: dts: qcom: milos: Add UFS nodes

Hi,

On 1/7/26 09:05, Luca Weiss wrote:
> Add the nodes for the UFS PHY and UFS host controller, along with the
> ICE used for UFS.
> 
> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
> ---
>   arch/arm64/boot/dts/qcom/milos.dtsi | 127 +++++++++++++++++++++++++++++++++++-
>   1 file changed, 124 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/milos.dtsi b/arch/arm64/boot/dts/qcom/milos.dtsi
> index e1a51d43943f..0f69deabb60c 100644
> --- a/arch/arm64/boot/dts/qcom/milos.dtsi
> +++ b/arch/arm64/boot/dts/qcom/milos.dtsi
> @@ -797,9 +797,9 @@ gcc: clock-controller@...000 {
>   				 <&sleep_clk>,
>   				 <0>, /* pcie_0_pipe_clk */
>   				 <0>, /* pcie_1_pipe_clk */
> -				 <0>, /* ufs_phy_rx_symbol_0_clk */
> -				 <0>, /* ufs_phy_rx_symbol_1_clk */
> -				 <0>, /* ufs_phy_tx_symbol_0_clk */
> +				 <&ufs_mem_phy 0>,
> +				 <&ufs_mem_phy 1>,
> +				 <&ufs_mem_phy 2>,
>   				 <0>; /* usb3_phy_wrapper_gcc_usb30_pipe_clk */
>   
>   			#clock-cells = <1>;
> @@ -1151,6 +1151,127 @@ aggre2_noc: interconnect@...0000 {
>   			qcom,bcm-voters = <&apps_bcm_voter>;
>   		};
>   
> +		ufs_mem_phy: phy@...0000 {
> +			compatible = "qcom,milos-qmp-ufs-phy";
> +			reg = <0x0 0x01d80000 0x0 0x2000>;
> +
> +			clocks = <&rpmhcc RPMH_CXO_CLK>,
> +				 <&gcc GCC_UFS_PHY_PHY_AUX_CLK>,
> +				 <&tcsr TCSR_UFS_CLKREF_EN>;
> +			clock-names = "ref",
> +				      "ref_aux",
> +				      "qref";
> +
> +			resets = <&ufs_mem_hc 0>;
> +			reset-names = "ufsphy";
> +
> +			power-domains = <&gcc UFS_MEM_PHY_GDSC>;
> +
> +			#clock-cells = <1>;
> +			#phy-cells = <0>;
> +
> +			status = "disabled";
> +		};
> +
> +		ufs_mem_hc: ufshc@...4000 {
> +			compatible = "qcom,milos-ufshc", "qcom,ufshc", "jedec,ufs-2.0";
> +			reg = <0x0 0x01d84000 0x0 0x3000>;
> +
> +			interrupts = <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH 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>,
> +				 <&tcsr TCSR_UFS_PAD_CLKREF_EN>,
> +				 <&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";
> +
> +			resets = <&gcc GCC_UFS_PHY_BCR>;
> +			reset-names = "rst";
> +
> +			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_ACTIVE_ONLY
> +					 &cnoc_cfg SLAVE_UFS_MEM_CFG QCOM_ICC_TAG_ACTIVE_ONLY>;
> +			interconnect-names = "ufs-ddr",
> +					     "cpu-ufs";
> +
> +			power-domains = <&gcc UFS_PHY_GDSC>;
> +			required-opps = <&rpmhpd_opp_nom>;
> +
> +			operating-points-v2 = <&ufs_opp_table>;
> +
> +			iommus = <&apps_smmu 0x60 0>;

dma-coherent ?

and no MCQ support ?

<snip>

Thanks,
Neil