Activating UART3 for Linux not possible. Are there any hints for me, where to look? Hi Folks,i created a custom dts and build it via the mx-addons howto. My goal is to activate USART3 on DK2. For USART3 is create the following source in the DT:&usart3{
pinctrl-names = "default", "sleep", "idle";
pinctrl-0 = <&usart3_pins_a>;
pinctrl-1 = <&usart3_sleep_pins_a>;
pinctrl-2 = <&usart3_idle_pins_a>
status = "okay";
/* USER CODE BEGIN usart3 */
/* USER CODE END usart3 */
};
usart3_pins_mx: usart3_mx-0 {
u-boot,dm-pre-reloc;
pins1 {
u-boot,dm-pre-reloc;
pinmux = <STM32_PINMUX('B', 10, AF7)>, /* USART3_TX */
<STM32_PINMUX('G', 8, AF8)>; /* USART3_RTS */
bias-disable;
drive-push-pull;
slew-rate = <0>;
};
pins2 {
u-boot,dm-pre-reloc;
pinmux = <STM32_PINMUX('B', 12, AF8)>, /* USART3_RX */
<STM32_PINMUX('B', 13, AF7)>; /* USART3_CTS */
bias-disable;
};
};
usart3_sleep_pins_mx: usart3_sleep_mx-0 {
u-boot,dm-pre-reloc;
pins {
u-boot,dm-
