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Changes v1->v2: - address review comments, listed in each patch - add cleanup for the uart_get_baud_rate function Max Filippov (5): serial: core: tidy invalid baudrate handling in uart_get_baud_rate dt-bindings: serial: document esp32-uart drivers/tty/serial: add driver for the ESP32 UART dt-bindings: serial: document esp32s3-acm drivers/tty/serial: add ESP32S3 ACM device driver .../bindings/serial/esp,esp32-acm.yaml | 39 + .../bindings/serial/esp,esp32-uart.yaml | 48 ++ drivers/tty/serial/Kconfig | 27 + drivers/tty/serial/Makefile | 2 + drivers/tty/serial/esp32_acm.c | 458 +++++++++++ drivers/tty/serial/esp32_uart.c | 749 ++++++++++++++++++ drivers/tty/serial/serial_core.c | 5 +- include/uapi/linux/serial_core.h | 6 + 8 files changed, 1331 insertions(+), 3 deletions(-) create mode 100644 Documentation/devicetree/bindings/serial/esp,esp32-acm.yaml create mode 100644 Documentation/devicetree/bindings/serial/esp,esp32-uart.yaml create mode 100644 drivers/tty/serial/esp32_acm.c create mode 100644 drivers/tty/serial/esp32_uart.c