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[v3,0/5] serial: add drivers for the ESP32xx serial devices

Message ID 20230925084825.4160708-1-jcmvbkbc@gmail.com
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Series serial: add drivers for the ESP32xx serial devices | expand

Message

Max Filippov Sept. 25, 2023, 8:48 a.m. UTC 
Hello,

this series adds drivers for the UART and ACM controllers found in the
Espressif ESP32 and ESP32S3 SoCs.

Changes v2->v3:
- address review comments, listed in each patch

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        |  42 +
 .../bindings/serial/esp,esp32-uart.yaml       |  51 ++
 drivers/tty/serial/Kconfig                    |  27 +
 drivers/tty/serial/Makefile                   |   2 +
 drivers/tty/serial/esp32_acm.c                | 459 +++++++++++
 drivers/tty/serial/esp32_uart.c               | 741 ++++++++++++++++++
 drivers/tty/serial/serial_core.c              |   5 +-
 include/uapi/linux/serial_core.h              |   6 +
 8 files changed, 1330 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