[PATCH v4 0/4] aspeed-vuart: generalized DT properties
Andy Shevchenko
andy.shevchenko at gmail.com
Sat Apr 3 18:40:05 AEDT 2021
On Friday, April 2, 2021, Zev Weiss <zev at bewilderbeest.net> wrote:
> This series generalizes the aspeed-vuart driver's device tree
> properties to cover all the attributes it currently exposes via sysfs.
>
> The aspeed,sirq-polarity-sense property was a bit of a design mistake
> in that it ties Aspeed VUART SIRQ polarity to SCU register bits that
> aren't really inherently related to it; the first patch in this series
> deprecates it (though we hope to eventually remove it).
>
> The rest of the series adds two new properties, aspeed,lpc-io-reg and
> aspeed,lpc-interrupts. The latter allows describing the SIRQ polarity
> (along with the interrupt number) directly, providing a simpler
> replacement for aspeed,sirq-polarity-sense.
>
>
>
Please, use better prefixes in the patches to avoid confusion, I.e.
“serial: 8250_aspeed_vuart: “
Instead of what you have now.
> Changes since v3 [2]:
> - renamed properties to match aspeed,ast2400-kcs-bmc
>
> Changes since v2 [0]:
> - expanded to also handle sirq number and lpc address in addition to
> sirq polarity
> - added default settings if DT properties not specified
> - refactored existing sysfs code slightly, adding range checks
> - cleaned up 'make dt_binding_check' warnings
>
> Changes since v1 [1]:
> - deprecate and retain aspeed,sirq-polarity-sense instead of removing it
> - drop e3c246d4i dts addition from this series
>
>
> [0] https://lore.kernel.org/openbmc/20210401005702.28271-
> 1-zev at bewilderbeest.net/
> [1] https://lore.kernel.org/openbmc/20210330002338.335-1-
> zev at bewilderbeest.net/
> [2] https://lore.kernel.org/openbmc/20210402004716.15961-
> 1-zev at bewilderbeest.net/
>
>
> Zev Weiss (4):
> dt-bindings: serial: 8250: deprecate aspeed,sirq-polarity-sense
> drivers/tty/serial/8250: refactor sirq and lpc address setting code
> drivers/tty/serial/8250: add aspeed,lpc-io-reg and
> aspeed,lpc-interrupts DT properties
> dt-bindings: serial: 8250: add aspeed,lpc-io-reg and
> aspeed,lpc-interrupts
>
> .../devicetree/bindings/serial/8250.yaml | 28 +++++-
> drivers/tty/serial/8250/8250_aspeed_vuart.c | 95 +++++++++++++++----
> 2 files changed, 103 insertions(+), 20 deletions(-)
>
> --
> 2.31.1
>
>
--
With Best Regards,
Andy Shevchenko
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ozlabs.org/pipermail/linux-aspeed/attachments/20210403/3ed43506/attachment.htm>
More information about the Linux-aspeed
mailing list