[PATCH v6 00/12] riscv: Add FPIOA and GPIO support for Kendryte K210

[Sean Anderson]

On 9/14/20 11:01 AM, Sean Anderson wrote:
> This patch series adds support for pinmuxing, gpios, buttons, and leds on the
> Kendyte K210.
> 
> The fail-to-boot bug should be fixed by the timer driver cleanup patch :)
> 
> This patch series was previously part of
> https://patchwork.ozlabs.org/project/uboot/list/?series=161576
> 
> This series depends on
> https://patchwork.ozlabs.org/project/uboot/list/?series=200642
> 
> Changes in v6:
> - Add BOOT button binding
> - Add dependency on "riscv: Clean up timer drivers", which fixes the bugs
>   discovered earlier.
> - DM_TESTF_SCAN_FDT -> UT_TESTF_SCAN_FDT
> - Reformat documentation so sphinx likes it better
> - Remove CONFIG_LOGLEVEL hack
> - Reorganize driver to use one file, instead of creating a new directory
> 
> Changes in v5:
> - Increase CONFIG_LOGLEVEL to 5 as a hack to get the board booting again
> - Patch 05/12 "gpio: sifive: Use generic reg read function" has been superseded
>   by commit 2548493ab4.
> - Rebase onto u-boot/master
> 
> Changes in v4:
> - Add sandbox dt-binding headers to MAINTAINERS
> - Add test for led behavior
> - Add test/dm/pinmux.c to patch
> - Move sandbox_* variables into a priv structure. This resets them to the
>   default state every time we re-probe.
> - Reformat documentation in dm/pinctrl.h
> 
> Changes in v3:
> - Add dt-bindings/pinctrl/sandbox-pinmux.h to patch
> 
> Changes in v2:
> - Add test for pinmuxing
> - Don't clear existing pinctrl settings on probe
> - Re-order GPIOs to match the defaults more closely
> - Rebase onto v13 of "riscv: Add Sipeed Maix support"
> - Rewrite FPIOA driver to use pinmux property
> - Support muxing the output enable signal for each function in the FPIOA
> - Support output and input inversion in the pinmux driver
> - Support pinmux property in pinctrl-generic
> 
> Heinrich Schuchardt (1):
>   riscv: add DT binding for BOOT button on Maix board
> 
> Sean Anderson (11):
>   pinctrl: Add pinmux property support to pinctrl-generic
>   pinctrl: Reformat documentation in dm/pinctrl.h
>   test: pinmux: Add test for pin muxing
>   pinctrl: Add support for Kendryte K210 FPIOA
>   gpio: dw: Fix warnings about casting int to pointer
>   gpio: dw: Add a trailing underscore to generated name
>   gpio: dw: Return output value when direction is out
>   led: gpio: Default to using node name if label is absent
>   test: dm: Test for default led naming
>   riscv: Add pinmux and gpio bindings for Kendryte K210
>   riscv: Add FPIOA and GPIO support for Kendryte K210
> 
>  MAINTAINERS                                   |   3 +
>  arch/riscv/dts/k210-maix-bit.dts              | 115 +++
>  arch/riscv/dts/k210.dtsi                      |  12 +
>  arch/sandbox/dts/test.dts                     |  47 +-
>  board/sipeed/maix/Kconfig                     |   9 +
>  doc/api/index.rst                             |   1 +
>  doc/api/pinctrl.rst                           |   7 +
>  doc/board/sipeed/maix.rst                     |  64 +-
>  .../pinctrl/kendryte,k210-fpioa.txt           | 102 +++
>  .../pinctrl/pinctrl-bindings.txt              |  65 +-
>  drivers/gpio/dwapb_gpio.c                     |  33 +-
>  drivers/led/led_gpio.c                        |   7 +-
>  drivers/pinctrl/Kconfig                       |   7 +
>  drivers/pinctrl/Makefile                      |   1 +
>  drivers/pinctrl/pinctrl-generic.c             | 125 ++-
>  drivers/pinctrl/pinctrl-kendryte.c            | 737 ++++++++++++++++++
>  drivers/pinctrl/pinctrl-sandbox.c             | 186 +++--
>  include/dm/pinctrl.h                          | 498 ++++++++----
>  include/dt-bindings/pinctrl/k210-pinctrl.h    | 277 +++++++
>  include/dt-bindings/pinctrl/sandbox-pinmux.h  |  19 +
>  test/dm/Makefile                              |   3 +
>  test/dm/led.c                                 |   3 +-
>  test/dm/pinmux.c                              |  57 ++
>  test/py/tests/test_pinmux.py                  |  36 +-
>  24 files changed, 2129 insertions(+), 285 deletions(-)
>  create mode 100644 doc/api/pinctrl.rst
>  create mode 100644 doc/device-tree-bindings/pinctrl/kendryte,k210-fpioa.txt
>  create mode 100644 drivers/pinctrl/pinctrl-kendryte.c
>  create mode 100644 include/dt-bindings/pinctrl/k210-pinctrl.h
>  create mode 100644 include/dt-bindings/pinctrl/sandbox-pinmux.h
>  create mode 100644 test/dm/pinmux.c
> 

*bump*

Is this ready to be merged, or are there still people who need to sign
off? It's marked as "Needs Review / ACK" in Patchwork.

--Sean