[PATCH v4 00/10] riscv: add Bouffalolab bl808 support

[Jisheng Zhang <jszhang@kernel.org>]

This series adds Bouffalolab uart driver and basic devicetrees for
Bouffalolab bl808 SoC and Sipeed M1s dock board.

Since v3:
  - fix build error reported by lkp@intel.com
  - fix earlycon compatible string
  - fix dtbs_check
  - collect Reviewed-by tag

Since v2:
  - fix dt_binding_check and dtbs_check warnings
  - use uart_port_tx_limited() helper in uart driver
  - collect Acked-by/Reviewed-by tag
  - uart0 -> uart3
  - update "riscv,ndev" property
  - mv vendor prefix binding as the first patch
  - add compatible string for bouffalolab bl808 plic

Since v1:
  - use FIELD_PREP and FIELD_GET macro
  - rewrite bflb_uart_tx_chars()
  - add vendor prefix for bouffalolab
  - add dt binding for bl808 compatibles
  - enable SOC_BOUFFALOLAB in defconfig
  - collect Reviewed-by tag
  - modify commit-msg as suggested


Jisheng Zhang (10):
  dt-bindings: vendor-prefixes: add bouffalolab
  dt-bindings: interrupt-controller: Add bouffalolab bl808 plic
  dt-bindings: serial: add documentation for Bouffalolab UART Driver
  serial: bflb_uart: add Bouffalolab UART Driver
  riscv: add the Bouffalolab SoC family Kconfig option
  dt-bindings: riscv: Add bouffalolab bl808 board compatibles
  riscv: dts: bouffalolab: add the bl808 SoC base device tree
  riscv: dts: bouffalolab: add Sipeed M1s SoM and Dock devicetree
  MAINTAINERS: riscv: add entry for Bouffalolab SoC
  riscv: defconfig: enable BOUFFALOLAB SoC

 .../sifive,plic-1.0.0.yaml                    |   1 +
 .../bindings/riscv/bouffalolab.yaml           |  29 +
 .../serial/bouffalolab,bl808-uart.yaml        |  47 ++
 .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
 MAINTAINERS                                   |   7 +
 arch/riscv/Kconfig.socs                       |   5 +
 arch/riscv/boot/dts/Makefile                  |   1 +
 arch/riscv/boot/dts/bouffalolab/Makefile      |   2 +
 .../dts/bouffalolab/bl808-sipeed-m1s-dock.dts |  25 +
 .../dts/bouffalolab/bl808-sipeed-m1s.dtsi     |  21 +
 arch/riscv/boot/dts/bouffalolab/bl808.dtsi    |  73 +++
 arch/riscv/configs/defconfig                  |   1 +
 drivers/tty/serial/Kconfig                    |  18 +
 drivers/tty/serial/Makefile                   |   1 +
 drivers/tty/serial/bflb_uart.c                | 586 ++++++++++++++++++
 include/uapi/linux/serial_core.h              |   3 +
 16 files changed, 822 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/riscv/bouffalolab.yaml
 create mode 100644 Documentation/devicetree/bindings/serial/bouffalolab,bl808-uart.yaml
 create mode 100644 arch/riscv/boot/dts/bouffalolab/Makefile
 create mode 100644 arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s-dock.dts
 create mode 100644 arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s.dtsi
 create mode 100644 arch/riscv/boot/dts/bouffalolab/bl808.dtsi
 create mode 100644 drivers/tty/serial/bflb_uart.c

-- 
2.40.0


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