linux-kernel - [PATCH 2/2] imx8mp-venice: enable USB device mode

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Message-Id: <20250618212120.1548575-3-tharvey@gateworks.com>
Date: Wed, 18 Jun 2025 14:21:20 -0700
From: Tim Harvey <tharvey@...eworks.com>
To: Stefano Babic <sbabic@...x.de>,
	Fabio Estevam <festevam@...il.com>,
	"NXP i.MX U-Boot Team" <uboot-imx@....com>,
	Tim Harvey <tharvey@...eworks.com>,
	Tom Rini <trini@...sulko.com>,
	Marek Vasut <marex@...x.de>,
	u-boot@...ts.denx.de
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] imx8mp-venice: enable USB device mode

Now that we can determine device role via a usb-connector ID pin,
remove the host-only mode dt override and enable additional USB
device mode support.

Signed-off-by: Tim Harvey <tharvey@...eworks.com>
---
 arch/arm/dts/imx8mp-venice-gw71xx-2x-u-boot.dtsi | 5 -----
 arch/arm/dts/imx8mp-venice-gw72xx-2x-u-boot.dtsi | 5 -----
 arch/arm/dts/imx8mp-venice-gw73xx-2x-u-boot.dtsi | 5 -----
 arch/arm/dts/imx8mp-venice-gw74xx-u-boot.dtsi    | 5 -----
 configs/imx8mp_venice_defconfig                  | 7 +++++++
 5 files changed, 7 insertions(+), 20 deletions(-)

diff --git a/arch/arm/dts/imx8mp-venice-gw71xx-2x-u-boot.dtsi b/arch/arm/dts/imx8mp-venice-gw71xx-2x-u-boot.dtsi
index a291b7abab62..c1d21e51c4e6 100644
--- a/arch/arm/dts/imx8mp-venice-gw71xx-2x-u-boot.dtsi
+++ b/arch/arm/dts/imx8mp-venice-gw71xx-2x-u-boot.dtsi
@@ -54,8 +54,3 @@
 		line-name = "pci_wdis#";
 	};
 };
-
-/* gpio-usb-con not supported yet in U-Boot so make this a host for now */
-&usb_dwc3_0 {
-	dr_mode = "host";
-};
diff --git a/arch/arm/dts/imx8mp-venice-gw72xx-2x-u-boot.dtsi b/arch/arm/dts/imx8mp-venice-gw72xx-2x-u-boot.dtsi
index bdf5370fcdf6..9f6d05fdae0c 100644
--- a/arch/arm/dts/imx8mp-venice-gw72xx-2x-u-boot.dtsi
+++ b/arch/arm/dts/imx8mp-venice-gw72xx-2x-u-boot.dtsi
@@ -89,8 +89,3 @@
 		line-name = "pci_wdis#";
 	};
 };
-
-/* gpio-usb-con not supported yet in U-Boot so make this a host for now */
-&usb_dwc3_0 {
-	dr_mode = "host";
-};
diff --git a/arch/arm/dts/imx8mp-venice-gw73xx-2x-u-boot.dtsi b/arch/arm/dts/imx8mp-venice-gw73xx-2x-u-boot.dtsi
index 7e6f66bd9dd9..3b23802e9a7d 100644
--- a/arch/arm/dts/imx8mp-venice-gw73xx-2x-u-boot.dtsi
+++ b/arch/arm/dts/imx8mp-venice-gw73xx-2x-u-boot.dtsi
@@ -95,8 +95,3 @@
 		line-name = "pci_wdis#";
 	};
 };
-
-/* gpio-usb-con not supported yet in U-Boot so make this a host for now */
-&usb_dwc3_0 {
-	dr_mode = "host";
-};
diff --git a/arch/arm/dts/imx8mp-venice-gw74xx-u-boot.dtsi b/arch/arm/dts/imx8mp-venice-gw74xx-u-boot.dtsi
index 95f5f15e742a..a82ce5a19788 100644
--- a/arch/arm/dts/imx8mp-venice-gw74xx-u-boot.dtsi
+++ b/arch/arm/dts/imx8mp-venice-gw74xx-u-boot.dtsi
@@ -250,8 +250,3 @@
 &wdog1 {
 	bootph-pre-ram;
 };
-
-/* gpio-usb-con not supported yet in U-Boot so make this a host for now */
-&usb_dwc3_0 {
-	dr_mode = "host";
-};
diff --git a/configs/imx8mp_venice_defconfig b/configs/imx8mp_venice_defconfig
index 158ce4327488..2c9c6e5564fc 100644
--- a/configs/imx8mp_venice_defconfig
+++ b/configs/imx8mp_venice_defconfig
@@ -70,6 +70,7 @@ CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_PCI=y
 CONFIG_CMD_USB=y
+CONFIG_CMD_USB_MASS_STORAGE=y
 CONFIG_CMD_CAT=y
 CONFIG_CMD_SETEXPR_FMT=y
 CONFIG_CMD_XXD=y
@@ -163,6 +164,7 @@ CONFIG_IMX_TMU=y
 # CONFIG_TPM_V1 is not set
 CONFIG_TPM2_TIS_SPI=y
 CONFIG_USB=y
+CONFIG_DM_USB_GADGET=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_XHCI_DWC3_OF_SIMPLE=y
@@ -178,6 +180,11 @@ CONFIG_USB_ETHER_LAN78XX=y
 CONFIG_USB_ETHER_MCS7830=y
 CONFIG_USB_ETHER_RTL8152=y
 CONFIG_USB_ETHER_SMSC95XX=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_MANUFACTURER="Gateworks"
+CONFIG_USB_GADGET_VENDOR_NUM=0x0525
+CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
+CONFIG_USB_GADGET_DOWNLOAD=y
 CONFIG_IMX_WATCHDOG=y
 CONFIG_TPM=y
 # CONFIG_SPL_SHA512 is not set
-- 
2.25.1