STM32MP157d USART1
Hi,What am I doing wrong that USART1 returns -2 during the probekernel.dts -> PINS usart1_pins_mx: usart1_mx-0 { pins1 { pinmux = <STM32_PINMUX('A', 9, AF7)>, /* USART1_TX */ <STM32_PINMUX('A', 12, AF7)>; /* USART1_RTS */ bias-disable...