linux-kernel - [PATCH 2/3] arm64: dts: qcom: Add USB3 and PHY support

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Message-Id: <1695383434-24705-3-git-send-email-quic_rohiagar@quicinc.com>
Date:   Fri, 22 Sep 2023 17:20:33 +0530
From:   Rohit Agarwal <quic_rohiagar@...cinc.com>
To:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Rohit Agarwal <quic_rohiagar@...cinc.com>
Subject: [PATCH 2/3] arm64: dts: qcom: Add USB3 and PHY support

Add devicetree nodes for enabling USB3 controller, Qcom QMP PHY and
HS PHY on SDX75.

Signed-off-by: Rohit Agarwal <quic_rohiagar@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sdx75.dtsi | 116 ++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdx75.dtsi b/arch/arm64/boot/dts/qcom/sdx75.dtsi
index dd3a525..c44cdd1 100644
--- a/arch/arm64/boot/dts/qcom/sdx75.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdx75.dtsi
@@ -473,6 +473,47 @@
 			};
 		};
 
+		usb_hsphy: phy@...000 {
+			compatible = "qcom,sdx75-snps-eusb2-phy", "qcom,sm8550-snps-eusb2-phy";
+			reg = <0x0 0x00ff4000 0x0 0x154>;
+			#phy-cells = <0>;
+
+			clocks = <&rpmhcc RPMH_CXO_CLK>;
+			clock-names = "ref";
+
+			resets = <&gcc GCC_QUSB2PHY_BCR>;
+
+			status = "disabled";
+		};
+
+		usb_qmpphy: phy@...000 {
+			compatible = "qcom,sdx75-qmp-usb3-uni-phy";
+			reg = <0x0 0x00ff6000 0x0 0x2000>;
+
+			clocks = <&gcc GCC_USB3_PHY_AUX_CLK>,
+				 <&gcc GCC_USB2_CLKREF_EN>,
+				 <&gcc GCC_USB_PHY_CFG_AHB2PHY_CLK>,
+				 <&gcc GCC_USB3_PHY_PIPE_CLK>;
+			clock-names = "aux",
+				      "ref",
+				      "cfg_ahb",
+				      "pipe";
+
+			power-domains = <&gcc GCC_USB3_PHY_GDSC>;
+
+			resets = <&gcc GCC_USB3_PHY_BCR>,
+				 <&gcc GCC_USB3PHY_PHY_BCR>;
+			reset-names = "phy",
+				      "phy_phy";
+
+			#clock-cells = <0>;
+			clock-output-names = "usb3_uni_phy_pipe_clk_src";
+
+			#phy-cells = <0>;
+
+			status = "disabled";
+		};
+
 		system_noc: interconnect@...0000 {
 			compatible = "qcom,sdx75-system-noc";
 			reg = <0x0 0x01640000 0x0 0x4b400>;
@@ -493,6 +534,81 @@
 			#hwlock-cells = <1>;
 		};
 
+		usb: usb@...8800 {
+			compatible = "qcom,sdx75-dwc3", "qcom,dwc3";
+			reg = <0x0 0x0a6f8800 0x0 0x400>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+
+			clocks = <&gcc GCC_USB30_SLV_AHB_CLK>,
+				 <&gcc GCC_USB30_MASTER_CLK>,
+				 <&gcc GCC_USB30_MSTR_AXI_CLK>,
+				 <&gcc GCC_USB30_SLEEP_CLK>,
+				 <&gcc GCC_USB30_MOCK_UTMI_CLK>;
+			clock-names = "cfg_noc",
+				      "core",
+				      "iface",
+				      "sleep",
+				      "mock_utmi";
+
+			assigned-clocks = <&gcc GCC_USB30_MOCK_UTMI_CLK>,
+					  <&gcc GCC_USB30_MASTER_CLK>;
+			assigned-clock-rates = <19200000>, <200000000>;
+
+			interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
+					      <&pdc 17 IRQ_TYPE_LEVEL_HIGH>,
+					      <&pdc 9 IRQ_TYPE_EDGE_RISING>,
+					      <&pdc 10 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "hs_phy_irq",
+					  "ss_phy_irq",
+					  "dm_hs_phy_irq",
+					  "dp_hs_phy_irq";
+
+			power-domains = <&gcc GCC_USB30_GDSC>;
+
+			resets = <&gcc GCC_USB30_BCR>;
+
+			interconnects = <&system_noc MASTER_USB3_0 0 &mc_virt SLAVE_EBI1 0>,
+					<&gem_noc MASTER_APPSS_PROC 0 &system_noc SLAVE_USB3 0>;
+			interconnect-names = "usb-ddr",
+					     "apps-usb";
+
+			status = "disabled";
+
+			usb_dwc3: usb@...0000 {
+				compatible = "snps,dwc3";
+				reg = <0x0 0x0a600000 0x0 0xcd00>;
+				interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
+				iommus = <&apps_smmu 0x80 0x0>;
+				snps,dis_u2_susphy_quirk;
+				snps,dis_enblslpm_quirk;
+				phys = <&usb_hsphy>,
+				       <&usb_qmpphy>;
+				phy-names = "usb2-phy",
+					    "usb3-phy";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+
+						usb_1_dwc3_hs: endpoint {
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+
+						usb_1_dwc3_ss: endpoint {
+						};
+					};
+				};
+			};
+		};
+
 		pdc: interrupt-controller@...0000 {
 			compatible = "qcom,sdx75-pdc", "qcom,pdc";
 			reg = <0x0 0xb220000 0x0 0x30000>,
-- 
2.7.4