zephyrproject-rtos · erwango · May 28, 2025 · Apr 16, 2025 · Apr 16, 2025 · Apr 16, 2025
diff --git a/dts/st/u3/stm32u375cetx-pinctrl.dtsi b/dts/st/u3/stm32u375cetx-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375cetxq-pinctrl.dtsi b/dts/st/u3/stm32u375cetxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375ceux-pinctrl.dtsi b/dts/st/u3/stm32u375ceux-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375ceuxq-pinctrl.dtsi b/dts/st/u3/stm32u375ceuxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375ceyxq-pinctrl.dtsi b/dts/st/u3/stm32u375ceyxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375cgtx-pinctrl.dtsi b/dts/st/u3/stm32u375cgtx-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375cgtxq-pinctrl.dtsi b/dts/st/u3/stm32u375cgtxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375cgux-pinctrl.dtsi b/dts/st/u3/stm32u375cgux-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375cguxq-pinctrl.dtsi b/dts/st/u3/stm32u375cguxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375cgyxq-pinctrl.dtsi b/dts/st/u3/stm32u375cgyxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375keux-pinctrl.dtsi b/dts/st/u3/stm32u375keux-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375kgux-pinctrl.dtsi b/dts/st/u3/stm32u375kgux-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375reix-pinctrl.dtsi b/dts/st/u3/stm32u375reix-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375reixq-pinctrl.dtsi b/dts/st/u3/stm32u375reixq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375retx-pinctrl.dtsi b/dts/st/u3/stm32u375retx-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375retxq-pinctrl.dtsi b/dts/st/u3/stm32u375retxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375reyxg-pinctrl.dtsi b/dts/st/u3/stm32u375reyxg-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375reyxq-pinctrl.dtsi b/dts/st/u3/stm32u375reyxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375rgix-pinctrl.dtsi b/dts/st/u3/stm32u375rgix-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375rgixq-pinctrl.dtsi b/dts/st/u3/stm32u375rgixq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375rgtx-pinctrl.dtsi b/dts/st/u3/stm32u375rgtx-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375rgtxq-pinctrl.dtsi b/dts/st/u3/stm32u375rgtxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375rgyxg-pinctrl.dtsi b/dts/st/u3/stm32u375rgyxg-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375rgyxq-pinctrl.dtsi b/dts/st/u3/stm32u375rgyxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375veix-pinctrl.dtsi b/dts/st/u3/stm32u375veix-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375veixq-pinctrl.dtsi b/dts/st/u3/stm32u375veixq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375vetx-pinctrl.dtsi b/dts/st/u3/stm32u375vetx-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375vetxq-pinctrl.dtsi b/dts/st/u3/stm32u375vetxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375vgix-pinctrl.dtsi b/dts/st/u3/stm32u375vgix-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375vgixq-pinctrl.dtsi b/dts/st/u3/stm32u375vgixq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375vgtx-pinctrl.dtsi b/dts/st/u3/stm32u375vgtx-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u375vgtxq-pinctrl.dtsi b/dts/st/u3/stm32u375vgtxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385cgtx-pinctrl.dtsi b/dts/st/u3/stm32u385cgtx-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385cgtxq-pinctrl.dtsi b/dts/st/u3/stm32u385cgtxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385cgux-pinctrl.dtsi b/dts/st/u3/stm32u385cgux-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385cguxq-pinctrl.dtsi b/dts/st/u3/stm32u385cguxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385cgyxq-pinctrl.dtsi b/dts/st/u3/stm32u385cgyxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385kgux-pinctrl.dtsi b/dts/st/u3/stm32u385kgux-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385rgix-pinctrl.dtsi b/dts/st/u3/stm32u385rgix-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385rgixq-pinctrl.dtsi b/dts/st/u3/stm32u385rgixq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385rgtx-pinctrl.dtsi b/dts/st/u3/stm32u385rgtx-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385rgtxq-pinctrl.dtsi b/dts/st/u3/stm32u385rgtxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385rgyxg-pinctrl.dtsi b/dts/st/u3/stm32u385rgyxg-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385rgyxq-pinctrl.dtsi b/dts/st/u3/stm32u385rgyxq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385vgix-pinctrl.dtsi b/dts/st/u3/stm32u385vgix-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385vgixq-pinctrl.dtsi b/dts/st/u3/stm32u385vgixq-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385vgtx-pinctrl.dtsi b/dts/st/u3/stm32u385vgtx-pinctrl.dtsi
diff --git a/dts/st/u3/stm32u385vgtxq-pinctrl.dtsi b/dts/st/u3/stm32u385vgtxq-pinctrl.dtsi
diff --git a/scripts/genpinctrl/genpinctrl.py b/scripts/genpinctrl/genpinctrl.py
@@ -68,6 +68,7 @@
     "stm32mp1": 0x50002000,
     "stm32n6": 0x56020000,
     "stm32u0": 0x50000000,
+    "stm32u3": 0x42020000,
     "stm32u5": 0x42020000,
     "stm32wba": 0x42020000,
     "stm32wb": 0x48000000,

diff --git a/stm32cube/CMakeLists.txt b/stm32cube/CMakeLists.txt
@@ -66,6 +66,7 @@ set(supported_series
   stm32mp1x
   stm32n6x
   stm32u0x
+  stm32u3x
   stm32u5x
   stm32wb0x
   stm32wbax

diff --git a/stm32cube/common_ll/README.rst b/stm32cube/common_ll/README.rst
@@ -29,6 +29,7 @@ stm32l5xx       1.5.1
 stm32mp1xx      1.6.0
 stm32n6xx       1.0.0
 stm32u0xx       1.2.0
+stm32u3xx       1.1.0
 stm32u5xx       1.7.0
 stm32wb0x       1.0.0
 stm32wbaxx      1.5.0

diff --git a/stm32cube/common_ll/include/stm32_ll_adc.h b/stm32cube/common_ll/include/stm32_ll_adc.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_adc.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_adc.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_adc.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_adc.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_bus.h b/stm32cube/common_ll/include/stm32_ll_bus.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_bus.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_bus.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_bus.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_bus.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_comp.h b/stm32cube/common_ll/include/stm32_ll_comp.h
@@ -26,6 +26,8 @@
 #include <stm32l5xx_ll_comp.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_comp.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_comp.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_comp.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WBAX)

diff --git a/stm32cube/common_ll/include/stm32_ll_cortex.h b/stm32cube/common_ll/include/stm32_ll_cortex.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_cortex.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_cortex.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_cortex.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_cortex.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_crc.h b/stm32cube/common_ll/include/stm32_ll_crc.h
@@ -40,6 +40,8 @@
 #include <stm32n6xx_ll_crc.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_crc.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_crc.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_crc.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_crs.h b/stm32cube/common_ll/include/stm32_ll_crs.h
@@ -26,6 +26,8 @@
 #include <stm32l5xx_ll_crs.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_crs.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_crs.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_crs.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WBX)

diff --git a/stm32cube/common_ll/include/stm32_ll_dac.h b/stm32cube/common_ll/include/stm32_ll_dac.h
@@ -34,6 +34,8 @@
 #include <stm32l5xx_ll_dac.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_dac.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_dac.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_dac.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WLX)

diff --git a/stm32cube/common_ll/include/stm32_ll_dlyb.h b/stm32cube/common_ll/include/stm32_ll_dlyb.h
@@ -10,6 +10,8 @@
 #include <stm32h7rsxx_ll_dlyb.h>
 #elif defined(CONFIG_SOC_SERIES_STM32N6X)
 #include <stm32n6xx_ll_dlyb.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_dlyb.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_dlyb.h>
 #endif
diff --git a/stm32cube/common_ll/include/stm32_ll_dma.h b/stm32cube/common_ll/include/stm32_ll_dma.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_dma.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_dma.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_dma.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_dma.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_exti.h b/stm32cube/common_ll/include/stm32_ll_exti.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_exti.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_exti.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_exti.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_exti.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WBAX)

diff --git a/stm32cube/common_ll/include/stm32_ll_gpio.h b/stm32cube/common_ll/include/stm32_ll_gpio.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_gpio.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_gpio.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_gpio.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_gpio.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_i2c.h b/stm32cube/common_ll/include/stm32_ll_i2c.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_i2c.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_i2c.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_i2c.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_i2c.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_i3c.h b/stm32cube/common_ll/include/stm32_ll_i3c.h
@@ -10,4 +10,6 @@
 #include <stm32h7rsxx_ll_i3c.h>
 #elif defined(CONFIG_SOC_SERIES_STM32N6X)
 #include <stm32n6xx_ll_i3c.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_i3c.h>
 #endif
diff --git a/stm32cube/common_ll/include/stm32_ll_icache.h b/stm32cube/common_ll/include/stm32_ll_icache.h
@@ -12,6 +12,8 @@
 #include <stm32l5xx_ll_icache.h>
 #elif defined(CONFIG_SOC_SERIES_STM32N6X)
 #include <stm32n6xx_ll_icache.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_icache.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_icache.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WBAX)

diff --git a/stm32cube/common_ll/include/stm32_ll_iwdg.h b/stm32cube/common_ll/include/stm32_ll_iwdg.h
@@ -40,6 +40,8 @@
 #include <stm32n6xx_ll_iwdg.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_iwdg.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_iwdg.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_iwdg.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_lptim.h b/stm32cube/common_ll/include/stm32_ll_lptim.h
@@ -30,6 +30,8 @@
 #include <stm32n6xx_ll_lptim.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_lptim.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_lptim.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_lptim.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WBAX)

diff --git a/stm32cube/common_ll/include/stm32_ll_lpuart.h b/stm32cube/common_ll/include/stm32_ll_lpuart.h
@@ -24,6 +24,8 @@
 #include <stm32n6xx_ll_lpuart.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_lpuart.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_lpuart.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_lpuart.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_opamp.h b/stm32cube/common_ll/include/stm32_ll_opamp.h
@@ -20,6 +20,8 @@
 #include <stm32l5xx_ll_opamp.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_opamp.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_opamp.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_opamp.h>
 #endif
diff --git a/stm32cube/common_ll/include/stm32_ll_pka.h b/stm32cube/common_ll/include/stm32_ll_pka.h
@@ -14,6 +14,8 @@
 #include <stm32l5xx_ll_pka.h>
 #elif defined(CONFIG_SOC_SERIES_STM32N6X)
 #include <stm32n6xx_ll_pka.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_pka.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_pka.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_pwr.h b/stm32cube/common_ll/include/stm32_ll_pwr.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_pwr.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_pwr.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_pwr.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_pwr.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_rcc.h b/stm32cube/common_ll/include/stm32_ll_rcc.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_rcc.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_rcc.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_rcc.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_rcc.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_rng.h b/stm32cube/common_ll/include/stm32_ll_rng.h
@@ -30,6 +30,8 @@
 #include <stm32n6xx_ll_rng.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_rng.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_rng.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_rng.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_rtc.h b/stm32cube/common_ll/include/stm32_ll_rtc.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_rtc.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_rtc.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_rtc.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_rtc.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_sdmmc.h b/stm32cube/common_ll/include/stm32_ll_sdmmc.h
@@ -28,6 +28,8 @@
 #include <stm32mp1xx_ll_sdmmc.h>
 #elif defined(CONFIG_SOC_SERIES_STM32N6X)
 #include <stm32n6xx_ll_sdmmc.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_sdmmc.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_sdmmc.h>
 #endif
diff --git a/stm32cube/common_ll/include/stm32_ll_spi.h b/stm32cube/common_ll/include/stm32_ll_spi.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_spi.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_spi.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_spi.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_spi.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_system.h b/stm32cube/common_ll/include/stm32_ll_system.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_system.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_system.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_system.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_system.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_tim.h b/stm32cube/common_ll/include/stm32_ll_tim.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_tim.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_tim.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_tim.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_tim.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_usart.h b/stm32cube/common_ll/include/stm32_ll_usart.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_usart.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_usart.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_usart.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_usart.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_utils.h b/stm32cube/common_ll/include/stm32_ll_utils.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_utils.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_utils.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_utils.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_utils.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WB0X)

diff --git a/stm32cube/common_ll/include/stm32_ll_wwdg.h b/stm32cube/common_ll/include/stm32_ll_wwdg.h
@@ -42,6 +42,8 @@
 #include <stm32n6xx_ll_wwdg.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U0X)
 #include <stm32u0xx_ll_wwdg.h>
+#elif defined(CONFIG_SOC_SERIES_STM32U3X)
+#include <stm32u3xx_ll_wwdg.h>
 #elif defined(CONFIG_SOC_SERIES_STM32U5X)
 #include <stm32u5xx_ll_wwdg.h>
 #elif defined(CONFIG_SOC_SERIES_STM32WBAX)

diff --git a/stm32cube/stm32u3xx/CMakeLists.txt b/stm32cube/stm32u3xx/CMakeLists.txt
@@ -0,0 +1,102 @@
+# Copyright (c) 2025 STMicroelectronics
+#
+# SPDX-License-Identifier: Apache-2.0
+
+zephyr_library_sources(soc/system_stm32u3xx.c)
+zephyr_library_sources(drivers/src/stm32u3xx_hal.c)
+zephyr_library_sources(drivers/src/stm32u3xx_hal_rcc.c)
+zephyr_library_sources(drivers/src/stm32u3xx_hal_rcc_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_ADC drivers/src/stm32u3xx_hal_adc.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_ADC_EX drivers/src/stm32u3xx_hal_adc_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_CCB drivers/src/stm32u3xx_hal_ccb.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_COMP drivers/src/stm32u3xx_hal_comp.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_CORTEX drivers/src/stm32u3xx_hal_cortex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_CRC drivers/src/stm32u3xx_hal_crc.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_CRC_EX drivers/src/stm32u3xx_hal_crc_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_CRYP drivers/src/stm32u3xx_hal_cryp.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_CRYP_EX drivers/src/stm32u3xx_hal_cryp_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_DAC drivers/src/stm32u3xx_hal_dac.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_DAC_EX drivers/src/stm32u3xx_hal_dac_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_DMA drivers/src/stm32u3xx_hal_dma.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_DMA_EX drivers/src/stm32u3xx_hal_dma_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_EXTI drivers/src/stm32u3xx_hal_exti.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_EXTI drivers/src/stm32u3xx_hal_fdcan.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_FLASH drivers/src/stm32u3xx_hal_flash.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_FLASH_EX drivers/src/stm32u3xx_hal_flash_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_GPIO drivers/src/stm32u3xx_hal_gpio.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_GTZC drivers/src/stm32u3xx_hal_gtzc.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_HASH drivers/src/stm32u3xx_hal_hash.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_HCD drivers/src/stm32u3xx_hal_hcd.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_I2C drivers/src/stm32u3xx_hal_i2c.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_I2C_EX drivers/src/stm32u3xx_hal_i2c_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_I3C drivers/src/stm32u3xx_hal_i3c.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_ICACHE drivers/src/stm32u3xx_hal_icache.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_IRDA drivers/src/stm32u3xx_hal_irda.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_IWDG drivers/src/stm32u3xx_hal_iwdg.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_LPTIM drivers/src/stm32u3xx_hal_lptim.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_MDF drivers/src/stm32u3xx_hal_mdf.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_MMC drivers/src/stm32u3xx_hal_mmc.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_MMC_EX drivers/src/stm32u3xx_hal_mmc_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_MSP_TEMPLATE drivers/src/stm32u3xx_hal_msp_template.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_OPAMP drivers/src/stm32u3xx_hal_opamp.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_OPAMP_EX drivers/src/stm32u3xx_hal_opamp_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_PCD drivers/src/stm32u3xx_hal_pcd.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_PCD_EX drivers/src/stm32u3xx_hal_pcd_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_PKA drivers/src/stm32u3xx_hal_pka.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_PWR drivers/src/stm32u3xx_hal_pwr.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_PWR_EX drivers/src/stm32u3xx_hal_pwr_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_RAMCFG drivers/src/stm32u3xx_hal_ramcfg.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_RCC drivers/src/stm32u3xx_hal_rcc.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_RCC_EX drivers/src/stm32u3xx_hal_rcc_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_RNG drivers/src/stm32u3xx_hal_rng.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_RNG_EX drivers/src/stm32u3xx_hal_rng_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_RTC drivers/src/stm32u3xx_hal_rtc.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_RTC_EX drivers/src/stm32u3xx_hal_rtc_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_SAI drivers/src/stm32u3xx_hal_sai.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_SAI_EX drivers/src/stm32u3xx_hal_sai_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_SD drivers/src/stm32u3xx_hal_sd.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_SD_EX drivers/src/stm32u3xx_hal_sd_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_SMARTCARD drivers/src/stm32u3xx_hal_smartcard.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_SMARTCARD_EX drivers/src/stm32u3xx_hal_smartcard_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_SMBUS drivers/src/stm32u3xx_hal_smbus.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_SMBUS_EX drivers/src/stm32u3xx_hal_smbus_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_SPI drivers/src/stm32u3xx_hal_spi.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_SPI_EX drivers/src/stm32u3xx_hal_spi_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_TIM drivers/src/stm32u3xx_hal_tim.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_TIM_EX drivers/src/stm32u3xx_hal_tim_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_TIMEBASE_RTC_WAKEUP_TEMPLATE drivers/src/stm32u3xx_hal_timebase_rtc_wakeup_template.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_TIMEBASE_TIM_TEMPLATE drivers/src/stm32u3xx_hal_timebase_tim_template.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_TSC drivers/src/stm32u3xx_hal_tsc.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_UART drivers/src/stm32u3xx_hal_uart.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_UART_EX drivers/src/stm32u3xx_hal_uart_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_USART drivers/src/stm32u3xx_hal_usart.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_USART_EX drivers/src/stm32u3xx_hal_usart_ex.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_WWDG drivers/src/stm32u3xx_hal_wwdg.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_HAL_XSPI drivers/src/stm32u3xx_hal_xspi.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_ADC drivers/src/stm32u3xx_ll_adc.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_COMP drivers/src/stm32u3xx_ll_comp.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_CRC drivers/src/stm32u3xx_ll_crc.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_CRS drivers/src/stm32u3xx_ll_crs.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_DAC drivers/src/stm32u3xx_ll_dac.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_DLYB drivers/src/stm32u3xx_ll_dlyb.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_DMA drivers/src/stm32u3xx_ll_dma.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_EXTI drivers/src/stm32u3xx_ll_exti.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_GPIO drivers/src/stm32u3xx_ll_gpio.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_I2C drivers/src/stm32u3xx_ll_i2c.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_I3C drivers/src/stm32u3xx_ll_i3c.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_ICACHE drivers/src/stm32u3xx_ll_icache.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_LPTIM drivers/src/stm32u3xx_ll_lptim.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_LPUART drivers/src/stm32u3xx_ll_lpuart.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_OPAMP drivers/src/stm32u3xx_ll_opamp.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_PKA drivers/src/stm32u3xx_ll_pka.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_PWR drivers/src/stm32u3xx_ll_pwr.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_RCC drivers/src/stm32u3xx_ll_rcc.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_RNG drivers/src/stm32u3xx_ll_rng.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_RTC drivers/src/stm32u3xx_ll_rtc.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_SDMMC drivers/src/stm32u3xx_ll_sdmmc.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_SPI drivers/src/stm32u3xx_ll_spi.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_TIM drivers/src/stm32u3xx_ll_tim.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_USART drivers/src/stm32u3xx_ll_usart.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_USB drivers/src/stm32u3xx_ll_usb.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_LL_UTILS drivers/src/stm32u3xx_ll_utils.c)
+zephyr_library_sources_ifdef(CONFIG_USE_STM32_UTIL_I3C drivers/src/stm32u3xx_util_i3c.c)