linux-kernel - [PATCH v2 1/2] arm64: dts: qcom: sm8550: Add UFS host controller and phy nodes

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Date:   Thu, 12 Jan 2023 15:59:25 +0200
From:   Abel Vesa <abel.vesa@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: [PATCH v2 1/2] arm64: dts: qcom: sm8550: Add UFS host controller and phy nodes

Add UFS host controller and PHY nodes.

Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
---

Changes since v1:
 * dropped ufs_mem_phy_lanes child node, like Johan suggested
 * addressed Konrad comments.

 arch/arm64/boot/dts/qcom/sm8550.dtsi | 78 ++++++++++++++++++++++++++--
 1 file changed, 75 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
index 59756ec11564..d20b5fbcb2c3 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -649,9 +649,9 @@ gcc: clock-controller@...000 {
 				 <0>,
 				 <0>,
 				 <0>,
-				 <0>,
-				 <0>,
-				 <0>,
+				 <&ufs_mem_phy 0>,
+				 <&ufs_mem_phy 1>,
+				 <&ufs_mem_phy 2>,
 				 <0>;
 		};
 
@@ -1571,6 +1571,78 @@ crypto: crypto@...0000 {
 			interconnect-names = "memory";
 		};
 
+		ufs_mem_phy: phy@...0000 {
+			compatible = "qcom,sm8550-qmp-ufs-phy";
+			reg = <0x0 0x01d80000 0x0 0x2000>;
+			clock-names = "ref", "qref";
+			clocks = <&gcc GCC_UFS_PHY_PHY_AUX_CLK>,
+				 <&tcsr TCSR_UFS_CLKREF_EN>;
+
+			power-domains = <&gcc UFS_MEM_PHY_GDSC>;
+
+			resets = <&ufs_mem_hc 0>;
+			reset-names = "ufsphy";
+
+			#address-cells = <2>;
+			#size-cells = <2>;
+
+			#phy-cells = <0>;
+
+			#clock-cells = <1>;
+
+			ranges;
+
+			status = "disabled";
+		};
+
+		ufs_mem_hc: ufshc@...4000 {
+			compatible = "qcom,sm8550-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 UFS_PHY_GDSC>;
+
+			iommus = <&apps_smmu 0x60 0x0>;
+
+			interconnects = <&aggre1_noc MASTER_UFS_MEM 0 &mc_virt SLAVE_EBI1 0>,
+					<&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_UFS_MEM_CFG 0>;
+
+			interconnect-names = "ufs-ddr", "cpu-ufs";
+			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 = <&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_LN_BB_CLK3>,
+				 <&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>,
+				<100000000 403000000>,
+				<0 0>,
+				<0 0>,
+				<0 0>;
+			status = "disabled";
+		};
+
 		tcsr_mutex: hwlock@...0000 {
 			compatible = "qcom,tcsr-mutex";
 			reg = <0 0x01f40000 0 0x20000>;
-- 
2.34.1