Re: [PATCH v2 2/3] arm64: dts: qcom: qcs615: add UFS node

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在 2024/11/22 1:00, Dmitry Baryshkov 写道:
On Tue, Nov 19, 2024 at 10:20:49AM +0800, Xin Liu wrote:
From: Sayali Lokhande <quic_sayalil@xxxxxxxxxxx>

Add the UFS Host Controller node and its PHY for QCS615 SoC.

Signed-off-by: Sayali Lokhande <quic_sayalil@xxxxxxxxxxx>
Co-developed-by: Xin Liu <quic_liuxin@xxxxxxxxxxx>
Signed-off-by: Xin Liu <quic_liuxin@xxxxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/qcs615.dtsi | 112 +++++++++++++++++++++++++++
  1 file changed, 112 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs615.dtsi b/arch/arm64/boot/dts/qcom/qcs615.dtsi
index 590beb37f441..ceceafb2e71f 100644
--- a/arch/arm64/boot/dts/qcom/qcs615.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs615.dtsi
@@ -458,6 +458,118 @@ mmss_noc: interconnect@1740000 {
  			qcom,bcm-voters = <&apps_bcm_voter>;
  		};
+ ufs_mem_hc: ufshc@1d84000 {
+			compatible = "qcom,qcs615-ufshc", "qcom,ufshc", "jedec,ufs-2.0";
+			reg = <0x0 0x01d84000 0x0 0x3000>, <0x0 0x01d90000 0x0 0x8000>;

Please consider splitting to have one entry per line (and reg-names
too).
Thank you for your comments. I will fix it next version.

+			reg-names = "std", "ice";
+
+			interrupts = <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>;
+
+			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>,
+				 <&gcc GCC_UFS_PHY_ICE_CORE_CLK>,
+				 <&rpmhcc RPMH_CXO_CLK>,
+				 <&gcc GCC_UFS_PHY_TX_SYMBOL_0_CLK>,
+				 <&gcc GCC_UFS_PHY_RX_SYMBOL_0_CLK>;
+			clock-names = "core_clk",
+				      "bus_aggr_clk",
+				      "iface_clk",
+				      "core_clk_unipro",
+					  "core_clk_ice",

Wrong indentation

Other than that LGTM.

Thank you for your comments. I will fix it next version.

+				      "ref_clk",
+				      "tx_lane0_sync_clk",
+				      "rx_lane0_sync_clk";
+
+			resets = <&gcc GCC_UFS_PHY_BCR>;
+			reset-names = "rst";
+
+			operating-points-v2 = <&ufs_opp_table>;
+			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
+					 &config_noc SLAVE_UFS_MEM_CFG QCOM_ICC_TAG_ALWAYS>;
+			interconnect-names = "ufs-ddr",
+					     "cpu-ufs";
+
+			power-domains = <&gcc UFS_PHY_GDSC>;
+			required-opps = <&rpmhpd_opp_nom>;
+
+			iommus = <&apps_smmu 0x300 0x0>;
+			dma-coherent;
+
+			lanes-per-direction = <1>;
+
+			phys = <&ufs_mem_phy>;
+			phy-names = "ufsphy";
+
+			#reset-cells = <1>;
+
+			status = "disabled";
+
+			ufs_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				opp-50000000 {
+					opp-hz = /bits/ 64 <50000000>,
+						 /bits/ 64 <0>,
+						 /bits/ 64 <0>,
+						 /bits/ 64 <37500000>,
+						 /bits/ 64 <75000000>,
+						 /bits/ 64 <0>,
+						 /bits/ 64 <0>,
+						 /bits/ 64 <0>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+				};
+
+				opp-100000000 {
+					opp-hz = /bits/ 64 <100000000>,
+						 /bits/ 64 <0>,
+						 /bits/ 64 <0>,
+						 /bits/ 64 <75000000>,
+						 /bits/ 64 <150000000>,
+						 /bits/ 64 <0>,
+						 /bits/ 64 <0>,
+						 /bits/ 64 <0>;
+					required-opps = <&rpmhpd_opp_svs>;
+				};
+
+				opp-200000000 {
+					opp-hz = /bits/ 64 <200000000>,
+						 /bits/ 64 <0>,
+						 /bits/ 64 <0>,
+						 /bits/ 64 <150000000>,
+						 /bits/ 64 <300000000>,
+						 /bits/ 64 <0>,
+						 /bits/ 64 <0>,
+						 /bits/ 64 <0>;
+					required-opps = <&rpmhpd_opp_nom>;
+				};
+			};
+		};
+
+		ufs_mem_phy: phy@1d87000 {
+			compatible = "qcom,qcs615-qmp-ufs-phy", "qcom,sm6115-qmp-ufs-phy";
+			reg = <0x0 0x01d87000 0x0 0xe00>;
+			clocks = <&rpmhcc RPMH_CXO_CLK>,
+				 <&gcc GCC_UFS_PHY_PHY_AUX_CLK>,
+				 <&gcc GCC_UFS_MEM_CLKREF_CLK>;
+			clock-names = "ref",
+				      "ref_aux",
+				      "qref";
+
+			power-domains = <&gcc UFS_PHY_GDSC>;
+
+			resets = <&ufs_mem_hc 0>;
+			reset-names = "ufsphy";
+
+			#clock-cells = <1>;
+			#phy-cells = <0>;
+
+			status = "disabled";
+		};
+
  		tcsr_mutex: hwlock@1f40000 {
  			compatible = "qcom,tcsr-mutex";
  			reg = <0x0 0x01f40000 0x0 0x20000>;
--
2.34.1


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