arm64: dts: qcom: sdm630: add USB QMP PHY support

Define USB3 QMP PHY presend on the SDM630 / SDM660 platforms. Enable it by
default in the USB3 host, but (for compatibility), force USB 2.0 mode
for all defined boards. The boards should opt-in to enable USB 3.0
support.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240116-sdm660-usb3-support-v1-3-2fbd683aea77@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts

@@ -454,10 +454,16 @@ &usb2_dwc3 {
 };
 
 &usb3 {
+	qcom,select-utmi-as-pipe-clk;
+
 	status = "okay";
 };
 
 &usb3_dwc3 {
+	maximum-speed = "high-speed";
+	phys = <&qusb2phy0>;
+	phy-names = "usb2-phy";
+
 	dr_mode = "peripheral";
 	extcon = <&extcon_usb>;
 };

arch/arm64/boot/dts/qcom/sdm630-sony-xperia-nile.dtsi

@@ -658,10 +658,16 @@ cam_vdig_default: cam-vdig-default-state {
 };
 
 &usb3 {
+	qcom,select-utmi-as-pipe-clk;
+
 	status = "okay";
 };
 
 &usb3_dwc3 {
+	maximum-speed = "high-speed";
+	phys = <&qusb2phy0>;
+	phy-names = "usb2-phy";
+
 	dr_mode = "peripheral";
 	extcon = <&extcon_usb>;
 };

arch/arm64/boot/dts/qcom/sdm630.dtsi

@@ -1293,7 +1293,6 @@ usb3: usb@a8f8800 {
 					  "ss_phy_irq";
 
 			power-domains = <&gcc USB_30_GDSC>;
-			qcom,select-utmi-as-pipe-clk;
 
 			resets = <&gcc GCC_USB_30_BCR>;
 
@@ -1304,17 +1303,38 @@ usb3_dwc3: usb@a800000 {
 				snps,dis_u2_susphy_quirk;
 				snps,dis_enblslpm_quirk;
 
-				/*
-				 * SDM630 technically supports USB3 but I
-				 * haven't seen any devices making use of it.
-				 */
-				maximum-speed = "high-speed";
-				phys = <&qusb2phy0>;
-				phy-names = "usb2-phy";
+				phys = <&qusb2phy0>, <&usb3_qmpphy>;
+				phy-names = "usb2-phy", "usb3-phy";
 				snps,hird-threshold = /bits/ 8 <0>;
 			};
 		};
 
+		usb3_qmpphy: phy@c010000 {
+			compatible = "qcom,sdm660-qmp-usb3-phy";
+			reg = <0x0c010000 0x1000>;
+
+			clocks = <&gcc GCC_USB3_PHY_AUX_CLK>,
+				 <&gcc GCC_USB3_CLKREF_CLK>,
+				 <&gcc GCC_USB_PHY_CFG_AHB2PHY_CLK>,
+				 <&gcc GCC_USB3_PHY_PIPE_CLK>;
+			clock-names = "aux",
+				      "ref",
+				      "cfg_ahb",
+				      "pipe";
+			clock-output-names = "usb3_phy_pipe_clk_src";
+			#clock-cells = <0>;
+			#phy-cells = <0>;
+
+			resets = <&gcc GCC_USB3_PHY_BCR>,
+				 <&gcc GCC_USB3PHY_PHY_BCR>;
+			reset-names = "phy",
+				      "phy_phy";
+
+			qcom,tcsr-reg = <&tcsr_regs_1 0x6b244>;
+
+			status = "disabled";
+		};
+
 		qusb2phy0: phy@c012000 {
 			compatible = "qcom,sdm660-qusb2-phy";
 			reg = <0x0c012000 0x180>;

arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts

@@ -413,10 +413,16 @@ &tlmm {
 };
 
 &usb3 {
+	qcom,select-utmi-as-pipe-clk;
+
 	status = "okay";
 };
 
 &usb3_dwc3 {
+	maximum-speed = "high-speed";
+	phys = <&qusb2phy0>;
+	phy-names = "usb2-phy";
+
 	dr_mode = "peripheral";
 	extcon = <&extcon_usb>;
 };