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

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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>
This commit is contained in:
Alice Guo
2025-10-28 10:46:28 +08:00
committed by Fabio Estevam
parent ce2ab1c8c3
commit e940ad5097
3 changed files with 78 additions and 0 deletions
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24
arch/arm/dts/imx943-evk-u-boot.dtsi
View File

@@ -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;
};

40
arch/arm/dts/imx943-u-boot.dtsi
View File

@@ -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>;

14
configs/imx943_evk_defconfig
View File

@@ -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