[0/7] riscv: add Bouffalolab bl808 support

Message

Jisheng Zhang Nov. 20, 2022, 8:21 a.m. UTC

This series adds Bouffalolab uart driver and basic devicetrees for
Bouffalolab bl808 SoC and Sipeed M1S dock board.

It's too late for v6.2-rc1, but I hope I can catch up the v6.3-rc1
window.

Jisheng Zhang (7):
  dt-bindings: serial: add bindings doc for Bouffalolab
  serial: bflb_uart: add Bouffalolab UART Driver
  MAINTAINERS: add myself as a reviewer for Bouffalolab uart driver
  riscv: add the Bouffalolab SoC family Kconfig option
  riscv: dts: bouffalolab: add the bl808 SoC base device tree
  riscv: dts: bouffalolab: add Sipeed M1S dock devicetree
  MAINTAINERS: add myself as Bouffalolab SoC entry maintainer

 .../bindings/serial/bouffalolab,uart.yaml     |  50 ++
 MAINTAINERS                                   |  12 +
 arch/riscv/Kconfig.socs                       |   6 +
 arch/riscv/boot/dts/Makefile                  |   1 +
 arch/riscv/boot/dts/bouffalolab/Makefile      |   2 +
 .../boot/dts/bouffalolab/bl808-sipeed-m1s.dts |  30 +
 arch/riscv/boot/dts/bouffalolab/bl808.dtsi    |  74 ++
 drivers/tty/serial/Kconfig                    |  18 +
 drivers/tty/serial/Makefile                   |   1 +
 drivers/tty/serial/bflb_uart.c                | 659 ++++++++++++++++++
 include/uapi/linux/serial_core.h              |   3 +
 11 files changed, 856 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/serial/bouffalolab,uart.yaml
 create mode 100644 arch/riscv/boot/dts/bouffalolab/Makefile
 create mode 100644 arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s.dts
 create mode 100644 arch/riscv/boot/dts/bouffalolab/bl808.dtsi
 create mode 100644 drivers/tty/serial/bflb_uart.c