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commit 84d50ebea2a62e15b4daaef06b4c320b80197865 Author: raiden00pl <[email protected]> AuthorDate: Mon Aug 24 10:38:43 2026 +0200 Documentation: Complete STM32U3 peripheral status List every peripheral implemented by STM32U3C5, and update the common GPIO, EXTI and USART driver paths after the Cortex-M33 migration. Signed-off-by: raiden00pl <[email protected]> Assisted-by: Claude Code --- Documentation/guides/stm32_ports.rst | 40 +++++++++++++++--- Documentation/platforms/arm/stm32u3/index.rst | 61 +++++++++++++++++++++------ 2 files changed, 82 insertions(+), 19 deletions(-) diff --git a/Documentation/guides/stm32_ports.rst b/Documentation/guides/stm32_ports.rst index 967ed042e46..4476fd223dd 100644 --- a/Documentation/guides/stm32_ports.rst +++ b/Documentation/guides/stm32_ports.rst @@ -778,23 +778,49 @@ STM32U3 Peripheral Core version Driver ============ ============ ============================================================= ADC to be done not supported +ADF to be done not supported +AES to be done not supported +CCB to be done not supported +COMP to be done not supported +CRC to be done not supported +CRS to be done not supported DAC to be done not supported -EXTI U3/U5 arch/arm/src/common/stm32/stm32_exti_gpio_m33_u3u5.c +DBGMCU to be done not supported +DLYB to be done not supported +EXTI M33 v1 arch/arm/src/common/stm32/stm32_exti_gpio_m33_v1.c +FDCAN to be done not supported FLASH to be done not supported -GPIO U3/U5 arch/arm/src/common/stm32/stm32_gpio_m33_u3u5.c GPDMA to be done not supported -I2C/I3C to be done not supported +GPIO M33 v1 arch/arm/src/common/stm32/stm32_gpio_m33_v1.c +GTZC to be done not supported +HASH to be done not supported +HSP to be done not supported +I2C to be done not supported +I3C to be done not supported ICACHE to be done not supported +IWDG to be done not supported +LPTIM to be done not supported +LPUART M33 v3 arch/arm/src/common/stm32/stm32_serial_m33_v3.c OCTOSPI to be done not supported +OPAMP to be done not supported +PKA to be done not supported PWR to be done not supported +RAMCFG to be done not supported RCC U3 arch/arm/src/stm32u3/stm32u3xx_rcc.c RNG to be done not supported RTC to be done not supported -SAES/AES to be done not supported +SAES to be done not supported +SAI to be done not supported +SDMMC to be done not supported SPI/I2S to be done not supported -TIM/LPTIM to be done not supported -USART/LPUART v3 arch/arm/src/common/stm32/stm32_serial_m33_u3u5.c -USB device not supported +SYSCFG to be done not supported +TAMP to be done not supported +TIM to be done not supported +TSC to be done not supported +USART/UART M33 v3 arch/arm/src/common/stm32/stm32_serial_m33_v3.c +USB_DRD_FS to be done not supported +VREFBUF to be done not supported +WWDG to be done not supported ============ ============ ============================================================= STM32U5 diff --git a/Documentation/platforms/arm/stm32u3/index.rst b/Documentation/platforms/arm/stm32u3/index.rst index 3970526c491..7c714327808 100644 --- a/Documentation/platforms/arm/stm32u3/index.rst +++ b/Documentation/platforms/arm/stm32u3/index.rst @@ -20,18 +20,55 @@ Peripheral Support The following list indicates peripherals supported in NuttX: -========== ======= ============================================= -Peripheral Support Notes -========== ======= ============================================= -RCC Yes Family-specific clock initialization. -GPIO Yes Common STM32U3/STM32U5 Cortex-M33 driver. -SYSCFG Yes GPIO EXTI routing. -EXTI Yes Common STM32U3/STM32U5 Cortex-M33 driver. -USART Yes USART1-3 and UART4-5. -LPUART Yes LPUART1. -========== ======= ============================================= - -Other STM32U3 peripherals are not yet supported. +========== ======= +Peripheral Support +========== ======= +RCC Yes +GPIO Yes +EXTI Yes +USART/UART Yes +LPUART Yes + +ADC No +ADF No +AES No +CCB No +COMP No +CRC No +CRS No +DAC No +DBGMCU No +DLYB No +FDCAN No +FLASH No +GPDMA No +GTZC No +HASH No +HSP No +I2C No +I3C No +ICACHE No +IWDG No +LPTIM No +OCTOSPI No +OPAMP No +PKA No +PWR No +RAMCFG No +RNG No +RTC No +SAES No +SAI No +SDMMC No +SPI/I2S No +SYSCFG No +TAMP No +TIM No +TSC No +USB_DRD_FS No +VREFBUF No +WWDG No +========== ======= References ==========
