uhc: dwc2: vendor quirks for nRF54LM20

boards/nordic/nrf54lm20dk/nrf54lm20_a_b_cpuapp_common.dtsi

@@ -110,6 +110,10 @@ temp_sensor: &temp {
 	status = "okay";
 };
 
+zephyr_uhc0: &usbhs {
+	status = "okay";
+};
+
 zephyr_udc0: &usbhs {
 	status = "okay";
 };

boards/nordic/nrf54lm20dk/nrf54lm20dk_nrf54lm20a_cpuapp.yaml

@@ -21,4 +21,5 @@ supported:
   - pwm
   - spi
   - usbd
+  - usbh
   - watchdog

boards/nordic/nrf54lm20dk/nrf54lm20dk_nrf54lm20a_cpuapp_ns.yaml

@@ -17,6 +17,7 @@ supported:
   - pwm
   - spi
   - usbd
+  - usbh
   - watchdog
 vendor: nordic
 sysbuild: true

boards/nordic/nrf54lm20dk/nrf54lm20dk_nrf54lm20b_cpuapp.yaml

@@ -21,4 +21,5 @@ supported:
   - pwm
   - spi
   - usbd
+  - usbh
   - watchdog

boards/nordic/nrf54lm20dk/nrf54lm20dk_nrf54lm20b_cpuapp_ns.yaml

@@ -17,6 +17,7 @@ supported:
   - pwm
   - spi
   - usbd
+  - usbh
   - watchdog
 vendor: nordic
 sysbuild: true

drivers/usb/common/usb_dwc2_hw.h

@@ -374,7 +374,12 @@ USB_DWC2_SET_FIELD_DEFINE(gnptxfsiz_nptxfstaddr, GNPTXFSIZ_NPTXFSTADDR)
 #define USB_DWC2_GGPIO_STM32_PWRDWN		BIT(USB_DWC2_GGPIO_STM32_PWRDWN_POS)
 
 /* GSNPSID register */
+#define USB_DWC2_GSNPSID_REV_4_20A		0x4F54420AUL
 #define USB_DWC2_GSNPSID_REV_5_00A		0x4F54500AUL
+#define USB_DWC2_GSNPSID_REV_POS		0UL
+#define USB_DWC2_GSNPSID_REV_MASK		(0xFFFFUL << USB_DWC2_GSNPSID_REV_POS)
+
+USB_DWC2_GET_FIELD_DEFINE(gsnpsid_rev, GSNPSID_REV)
 
 /* GHWCFG1 register */
 #define USB_DWC2_GHWCFG1			0x0044UL

drivers/usb/uhc/CMakeLists.txt

@@ -3,8 +3,10 @@
 # SPDX-License-Identifier: Apache-2.0
 
 zephyr_library()
+zephyr_library_include_directories(${ZEPHYR_BASE}/drivers/usb/common/)
 
 zephyr_library_sources(uhc_common.c)
+zephyr_library_sources_ifdef(CONFIG_UHC_DWC2 uhc_dwc2.c)
 zephyr_library_sources_ifdef(CONFIG_UHC_MAX3421E uhc_max3421e.c)
 zephyr_library_sources_ifdef(CONFIG_UHC_VIRTUAL uhc_virtual.c)
 zephyr_library_sources_ifdef(CONFIG_UHC_NXP_EHCI uhc_mcux_common.c uhc_mcux_ehci.c)

drivers/usb/uhc/Kconfig

@@ -43,6 +43,7 @@ module = UHC_DRIVER
 module-str = uhc drv
 source "subsys/logging/Kconfig.template.log_config"
 
+source "drivers/usb/uhc/Kconfig.dwc2"
 source "drivers/usb/uhc/Kconfig.max3421e"
 source "drivers/usb/uhc/Kconfig.virtual"
 source "drivers/usb/uhc/Kconfig.mcux"

drivers/usb/uhc/Kconfig.dwc2

@@ -0,0 +1,91 @@
+# Copyright (c) 2026 Roman Leonov <jam_roma@yahoo.com>
+# SPDX-License-Identifier: Apache-2.0
+
+config UHC_DWC2
+	bool "DWC2 USB host controller driver"
+	depends on DT_HAS_SNPS_DWC2_ENABLED
+	default y
+	select EVENTS
+	select REGULATOR
+	help
+	  DWC2 USB host controller driver.
+
+if UHC_DWC2
+config UHC_DWC2_MAX_CHANNELS
+	int "UHC DWC2 driver maximum supported number of channels"
+	default 16
+	range 1 16
+	help
+	  Number of channels driver can support.
+	  Reduce this value to save memory.
+	  Increase to support more concurrent transfers.
+
+config UHC_DWC2_STACK_SIZE
+	int "UHC DWC2 driver thread stack size"
+	default 512
+	help
+	  DWC2 driver thread stack size.
+
+config UHC_DWC2_THREAD_PRIORITY
+	int "UHC DWC2 driver thread priority"
+	default 8
+	help
+	  DWC2 driver thread priority.
+
+config UHC_DWC2_DEBOUNCE_DELAY_MS
+	int "Debounce delay in ms"
+	default 250
+	help
+	  On connection of a USB device, the USB 2.0 specification requires
+	  a "debounce interval with a minimum duration of 100ms" to allow the connection to stabilize
+	  (see USB 2.0 chapter 7.1.7.3 for more details).
+	  During the debounce interval, no new connection/disconnection events are registered.
+
+	  The default value is set to 250 ms to be safe.
+
+config UHC_DWC2_RESET_HOLD_MS
+	int "Reset hold in ms"
+	default 30
+	help
+	  The reset signaling can be generated on any Hub or Host Controller port by request from
+	  the USB System Software. The USB 2.0 specification requires that "the reset signaling must
+	  be driven for a minimum of 10ms" (see USB 2.0 chapter 7.1.7.5 for more details).
+	  After the reset, the hub port will transition to the Enabled state (refer to Section 11.5).
+
+	  The default value is set to 30 ms to be safe.
+
+config UHC_DWC2_RESET_RECOVERY_MS
+	int "Reset recovery delay in ms"
+	default 30
+	help
+	  After a port stops driving the reset signal, the USB 2.0 specification requires that
+	  the "USB System Software guarantees a minimum of 10 ms for reset recovery" before the
+	  attached device is expected to respond to data transfers (see USB 2.0 chapter 7.1.7.3 for
+	  more details).
+	  The device may ignore any data transfers during the recovery interval.
+
+	  The default value is set to 30 ms to be safe.
+
+
+config UHC_DWC2_SET_ADDR_DELAY_MS
+	int "Delay after set device address"
+	default 10
+	help
+	  "After successful completion of the Status stage, the device is allowed a SetAddress()
+	  recovery interval of 2 ms. At the end of this interval, the device must be able to accept
+	  Setup packets addressed to the new address. Also, at the end of the recovery interval, the
+	  device must not respond to tokens sent to the old address (unless, of course, the old and new
+	  address is the same)." See USB 2.0 chapter 9.2.6.3 for more details.
+
+	  The default value is set to 10 ms to be safe.
+
+config UHC_DWC2_USBHS_VBUS_READY_TIMEOUT
+	int "USBHS VBUS ready event timeout in ms"
+	depends on SOC_SERIES_NRF54L
+	default 0
+	help
+	  VBUS ready event timeout for the USBHS variant of DWC2 found on nRF MCUs.
+	  If the VBUS is not ready and the Nordic USBHS controller is used, the udc_enable() is
+	  blocked for this amount of time. Set it to zero to wait forever.
+
+endif # UHC_DWC2