Re: [PATCH v3 0/4] add support for another simatic board

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Am Thu, 11 Aug 2022 17:39:04 +0200
schrieb Henning Schild <henning.schild@xxxxxxxxxxx>:

> changes since v2: (p1 only)
>   - rename macros that change behavior
>   - use chip type not device id in the macros
>   - reorder defines a bit
> 
> changes since v1:
>   - remove unused define
>   - fix bug where (base + 2) was used as second data bit
>   - add macros for "inverted" and "single data bit"
> 
> This series first enables a SuperIO GPIO driver to support a chip from
> the vendor Nuvoton, the driver is for Fintek devices but those just
> are very similar. And in watchdog and hwmon subsystems these SuperIO
> drivers also share code and are sometimes called a family.
> 
> In another step the individual banks receive a label to tell them
> apart, a step which potentially changes an interface to legacy users
> that might rely on all banks having the same label, or an exact
> label. But since a later patch wants to use GPIO_LOOKUP unique labels
> are needed and i decided to assign them for all supported chips.
> 
> In a following patch the Simatic GPIO LED driver is extended to
> provide LEDs in case that SuperIO GPIO driver can be loaded.
> 
> Last but not least the watchdog module of that same SuperIO gets
> loaded on a best effort basis.
> 
> Note similar patches have appreared before as
>   "[PATCH v3 0/1] add device driver for Nuvoton SIO gpio function"
> The main difference here is that i added chip support to an existing
> driver instead of creating a new one. And that i actually propose all
> patches and do not just have the LED patch for Simatic as an example.
> Also note that the patches are based on
>   "[PATCH v6 00/12] platform/x86: introduce p2sb_bar() helper"

patches 1 and 2 are independent of those other patches and they add
value on their own, i would be happy if they got picked while waiting
for these other ones.

Henning

> 
> Henning Schild (4):
>   gpio-f7188x: Add GPIO support for Nuvoton NCT6116
>   gpio-f7188x: use unique labels for banks/chips
>   leds: simatic-ipc-leds-gpio: add new model 227G
>   platform/x86: simatic-ipc: enable watchdog for 227G
> 
>  drivers/gpio/gpio-f7188x.c                    | 193
> ++++++++++-------- drivers/leds/simple/simatic-ipc-leds-gpio.c   |
> 42 +++- drivers/platform/x86/simatic-ipc.c            |   7 +-
>  .../platform_data/x86/simatic-ipc-base.h      |   1 +
>  include/linux/platform_data/x86/simatic-ipc.h |   1 +
>  5 files changed, 157 insertions(+), 87 deletions(-)
> 




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