drivers: usb device driver for the stm32u5 soc family
This commit enables the HSI48 clock for the stm32U5 soc family
to use the USB device peripheral.
Enable the VDD USB voltage supply.
Signed-off-by: Francois Ramu <francois.ramu@st.com>
diff --git a/drivers/usb/device/Kconfig b/drivers/usb/device/Kconfig
index 7895c71..13f4f21 100644
--- a/drivers/usb/device/Kconfig
+++ b/drivers/usb/device/Kconfig
@@ -28,7 +28,7 @@
select USE_STM32_HAL_PCD
select USE_STM32_HAL_PCD_EX
help
- Enable USB support on the STM32 F0, F1, F2, F3, F4, F7, L0, L4 and G4 family of
+ Enable USB support on the STM32 F0, F1, F2, F3, F4, F7, L0, L4, G4, U5 family of
processors.
config USB_DC_STM32_DISCONN_ENABLE
diff --git a/drivers/usb/device/usb_dc_stm32.c b/drivers/usb/device/usb_dc_stm32.c
index 26b2af8..a4d7057 100644
--- a/drivers/usb/device/usb_dc_stm32.c
+++ b/drivers/usb/device/usb_dc_stm32.c
@@ -203,12 +203,13 @@
#if defined(RCC_HSI48_SUPPORT) || \
defined(CONFIG_SOC_SERIES_STM32WBX) || \
defined(CONFIG_SOC_SERIES_STM32H7X) || \
- defined(CONFIG_SOC_SERIES_STM32L5X)
+ defined(CONFIG_SOC_SERIES_STM32L5X) || \
+ defined(CONFIG_SOC_SERIES_STM32U5X)
/*
* In STM32L0 series, HSI48 requires VREFINT and its buffer
* with 48 MHz RC to be enabled.
- * See ENREF_HSI48 in referenc maual RM0367 section10.2.3:
+ * See ENREF_HSI48 in reference manual RM0367 section10.2.3:
* "Reference control and status register (SYSCFG_CFGR3)"
*/
#ifdef CONFIG_SOC_SERIES_STM32L0X
@@ -230,6 +231,11 @@
LL_RCC_SetUSBClockSource(LL_RCC_USB_CLKSOURCE_HSI48);
+#ifdef CONFIG_SOC_SERIES_STM32U5X
+ /* VDDUSB independent USB supply (PWR clock is on) */
+ LL_PWR_EnableVDDUSB();
+#endif /* CONFIG_SOC_SERIES_STM32U5X */
+
#if !defined(CONFIG_SOC_SERIES_STM32WBX)
/* Specially for STM32WB, don't unlock the HSEM to prevent M0 core
* to disable HSI48 clock used for RNG.
