Re: [PATCH v7 0/9] Turris Omnia MCU driver

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Hello all,

> Hello Andy, Hans, Ilpo, Arnd, Gregory, and others,
>
> this is v7 of the series adding Turris Omnia MCU driver.
>
> This series depends on the immutable branch between LEDs and locking,
> introducing devm_mutex_init(), see the PR
>   https://lore.kernel.org/linux-leds/20240412084616.GR2399047@xxxxxxxxxx/
>
> See also cover letters for v1, v2, v3, v4, v5 and v6:
>   https://patchwork.kernel.org/project/linux-soc/cover/20230823161012.6986-1-kabel@xxxxxxxxxx/
>   https://patchwork.kernel.org/project/linux-soc/cover/20230919103815.16818-1-kabel@xxxxxxxxxx/
>   https://patchwork.kernel.org/project/linux-soc/cover/20231023143130.11602-1-kabel@xxxxxxxxxx/
>   https://patchwork.kernel.org/project/linux-soc/cover/20231026161803.16750-1-kabel@xxxxxxxxxx/
>   https://patchwork.kernel.org/project/linux-soc/cover/20240323164359.21642-1-kabel@xxxxxxxxxx/
>   https://patchwork.kernel.org/project/linux-soc/cover/20240418121116.22184-1-kabel@xxxxxxxxxx/
>
> Changes since v6:
> - moved the DT binding from arm/cznic,turris-omnia-mcu.yaml to
>   firmware/cznic,turris-omnia-mcu.yaml, as suggested by Conor Dooley
>   (patch 1)
> - dropped the devm-helpers.h additions, for the reasons see
>   https://lore.kernel.org/soc/20240423184346.37eb0915@thinkpad/
> - use gpiod_to_irq(gpiochip_get_desc(...)) instead of
>   irq_create_mapping(), as suggested by Andy Shevchenko (patches 6 and
>   7)
> - added a dummy read of TRNG entropy when registering TRNG, in case
>   someone cleared the TRNG interrupt before probing the driver, but did
>   not read the entropy (the MCU won't send a new TRNG interrupt if the
>   entropy is not collected) (patch 6)
> - fixed a bug in TRNG probing, wherein if the 
>
> Marek Behún (9):
>   dt-bindings: arm: add cznic,turris-omnia-mcu binding
>   platform: cznic: Add preliminary support for Turris Omnia MCU
>   platform: cznic: turris-omnia-mcu: Add support for MCU connected GPIOs
>   platform: cznic: turris-omnia-mcu: Add support for poweroff and wakeup
>   platform: cznic: turris-omnia-mcu: Add support for MCU watchdog
>   platform: cznic: turris-omnia-mcu: Add support for MCU provided TRNG
>   platform: cznic: turris-omnia-mcu: Add support for digital message
>     signing via debugfs

It is still early as there are some comment pending but I wonder who
will responsible of merging all theses patches ?

Arnd ? Hans ? Ilpo ? me ?

Gregory


>   ARM: dts: turris-omnia: Add MCU system-controller node
>   ARM: dts: turris-omnia: Add GPIO key node for front button
>
>  .../ABI/testing/debugfs-turris-omnia-mcu      |   13 +
>  .../sysfs-bus-i2c-devices-turris-omnia-mcu    |  126 ++
>  .../firmware/cznic,turris-omnia-mcu.yaml      |   86 ++
>  MAINTAINERS                                   |    5 +
>  .../dts/marvell/armada-385-turris-omnia.dts   |   35 +-
>  drivers/platform/Kconfig                      |    2 +
>  drivers/platform/Makefile                     |    1 +
>  drivers/platform/cznic/Kconfig                |   51 +
>  drivers/platform/cznic/Makefile               |    9 +
>  .../platform/cznic/turris-omnia-mcu-base.c    |  439 +++++++
>  .../platform/cznic/turris-omnia-mcu-debugfs.c |  216 ++++
>  .../platform/cznic/turris-omnia-mcu-gpio.c    | 1047 +++++++++++++++++
>  .../cznic/turris-omnia-mcu-sys-off-wakeup.c   |  258 ++++
>  .../platform/cznic/turris-omnia-mcu-trng.c    |  109 ++
>  .../cznic/turris-omnia-mcu-watchdog.c         |  123 ++
>  drivers/platform/cznic/turris-omnia-mcu.h     |  188 +++
>  include/linux/turris-omnia-mcu-interface.h    |  249 ++++
>  17 files changed, 2956 insertions(+), 1 deletion(-)
>  create mode 100644 Documentation/ABI/testing/debugfs-turris-omnia-mcu
>  create mode 100644 Documentation/ABI/testing/sysfs-bus-i2c-devices-turris-omnia-mcu
>  create mode 100644 Documentation/devicetree/bindings/firmware/cznic,turris-omnia-mcu.yaml
>  create mode 100644 drivers/platform/cznic/Kconfig
>  create mode 100644 drivers/platform/cznic/Makefile
>  create mode 100644 drivers/platform/cznic/turris-omnia-mcu-base.c
>  create mode 100644 drivers/platform/cznic/turris-omnia-mcu-debugfs.c
>  create mode 100644 drivers/platform/cznic/turris-omnia-mcu-gpio.c
>  create mode 100644 drivers/platform/cznic/turris-omnia-mcu-sys-off-wakeup.c
>  create mode 100644 drivers/platform/cznic/turris-omnia-mcu-trng.c
>  create mode 100644 drivers/platform/cznic/turris-omnia-mcu-watchdog.c
>  create mode 100644 drivers/platform/cznic/turris-omnia-mcu.h
>  create mode 100644 include/linux/turris-omnia-mcu-interface.h
>
> -- 
> 2.43.2





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