From: Alice Guo <alice.guo@nxp.com>
Date: Tue, 28 Oct 2025 02:46:28 +0000 (+0800)
Subject: imx943_evk: Add support for booting from USB SDP on USB3.0
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e940ad50970dd2a7ac883c58669f6584648725c8;p=thirdparty%2Fu-boot.git

imx943_evk: Add support for booting from USB SDP on USB3.0

This patch is used to enable USB Gadget in SPL to make i.MX943 evk board
can use SDP on USB3.0 interface.

Signed-off-by: Alice Guo <alice.guo@nxp.com>
---

diff --git a/arch/arm/dts/imx943-evk-u-boot.dtsi b/arch/arm/dts/imx943-evk-u-boot.dtsi
index e6abe7ed2e0..3995176f090 100644
--- a/arch/arm/dts/imx943-evk-u-boot.dtsi
+++ b/arch/arm/dts/imx943-evk-u-boot.dtsi
@@ -22,6 +22,30 @@
 	status = "okay";
 };
 
+&usb3 {
+	bootph-pre-ram;
+	status = "okay";
+};
+
+&usb3_dwc3 {
+	bootph-pre-ram;
+	dr_mode = "otg";
+	hnp-disable;
+	srp-disable;
+	adp-disable;
+	usb-role-switch;
+	role-switch-default-mode = "peripheral";
+	snps,dis-u1-entry-quirk;
+	snps,dis-u2-entry-quirk;
+	status = "okay";
+};
+
+&usb3_phy {
+	bootph-pre-ram;
+	orientation-switch;
+	status = "okay";
+};
+
 &usdhc1 {
 	bootph-pre-ram;
 };
diff --git a/arch/arm/dts/imx943-u-boot.dtsi b/arch/arm/dts/imx943-u-boot.dtsi
index 9b2c1072366..8c89b8be04b 100644
--- a/arch/arm/dts/imx943-u-boot.dtsi
+++ b/arch/arm/dts/imx943-u-boot.dtsi
@@ -199,6 +199,46 @@
 &{/soc} {
 	bootph-all;
 
+	usb3: usb@4c010010 {
+		compatible = "fsl,imx95-dwc3", "fsl,imx8mp-dwc3";
+		reg = <0x0 0x4c010010 0x0 0x04>,
+		      <0x0 0x4c1f0000 0x0 0x20>;
+		ranges;
+		interrupts = <GIC_SPI 386 IRQ_TYPE_LEVEL_HIGH>;
+		#address-cells = <2>;
+		#size-cells = <2>;
+		clocks = <&scmi_clk IMX94_CLK_HSIO>,
+			 <&scmi_clk IMX94_CLK_32K>;
+		clock-names = "hsio", "suspend";
+		power-domains = <&scmi_devpd IMX94_PD_HSIO_TOP>;
+		status = "disabled";
+
+		usb3_dwc3: usb@4c100000 {
+			compatible = "snps,dwc3";
+			reg = <0x0 0x4c100000 0x0 0x10000>;
+			interrupts = <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&scmi_clk IMX94_CLK_HSIO>,
+				 <&scmi_clk IMX94_CLK_24M>,
+				 <&scmi_clk IMX94_CLK_32K>;
+			clock-names = "bus_early", "ref", "suspend";
+			phys = <&usb3_phy>, <&usb3_phy>;
+			phy-names = "usb2-phy", "usb3-phy";
+			snps,gfladj-refclk-lpm-sel-quirk;
+			snps,parkmode-disable-ss-quirk;
+		};
+	};
+
+	usb3_phy: phy@4c1f0040 {
+		compatible = "fsl,imx95-usb-phy", "fsl,imx8mp-usb-phy";
+		reg = <0x0 0x4c1f0040 0x0 0x40>,
+		      <0x0 0x4c1fc000 0x0 0x100>;
+		clocks = <&scmi_clk IMX94_CLK_HSIO>;
+		clock-names = "phy";
+		#phy-cells = <0>;
+		power-domains = <&scmi_devpd IMX94_PD_HSIO_TOP>;
+		status = "disabled";
+	};
+
 	usb2: usb@4c200000 {
 		compatible = "fsl,imx95-usb", "fsl,imx7d-usb", "fsl,imx27-usb";
 		reg = <0x0 0x4c200000 0x0 0x200>;
diff --git a/configs/imx943_evk_defconfig b/configs/imx943_evk_defconfig
index d308d29a1a5..e4fcf2eb576 100644
--- a/configs/imx943_evk_defconfig
+++ b/configs/imx943_evk_defconfig
@@ -100,6 +100,8 @@ CONFIG_IMX_RGPIO2P=y
 CONFIG_IMX_MU_MBOX=y
 CONFIG_SUPPORT_EMMC_BOOT=y
 CONFIG_FSL_USDHC=y
+CONFIG_SPL_PHY=y
+CONFIG_SPL_PHY_IMX8MQ_USB=y
 CONFIG_PINCTRL=y
 CONFIG_SPL_PINCTRL=y
 CONFIG_PINCTRL_IMX_SCMI=y
@@ -114,5 +116,17 @@ CONFIG_DM_RTC=y
 CONFIG_DM_SERIAL=y
 CONFIG_FSL_LPUART=y
 CONFIG_USB=y
+CONFIG_SPL_DM_USB_GADGET=y
+CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
+CONFIG_SPL_USB_DWC3_GENERIC=y
+CONFIG_USB_GADGET=y
+CONFIG_SPL_USB_GADGET=y
+CONFIG_USB_GADGET_MANUFACTURER="FSL"
+CONFIG_USB_GADGET_VENDOR_NUM=0x0525
+CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
+CONFIG_SDP_LOADADDR=0x90400000
+CONFIG_SPL_USB_SDP_SUPPORT=y
 CONFIG_ULP_WATCHDOG=y