STM32MP25 got the same serial hardware block as STM32MP1x but with two improvements:
- TX and RX FIFO have been extended to 64 bytes.
- one instance more than in STM32MP1x series (4x usart and 5x uart).
STM32MP257F-EV1 board has one usart used by console and one usart on IO port.
Valentin Caron (3):
arm64: dts: st: add usart nodes on stm32mp25
arm64: dts: st: add usart6 pinctrl used on stm32mp257f-ev1 board
arm64: dts: st: add usart6 on stm32mp257f-ev1 board
arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi | 41 +++++++++++
arch/arm64/boot/dts/st/stm32mp251.dtsi | 72 +++++++++++++++++++
arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 10 +++
3 files changed, 123 insertions(+)