Re: [PATCH v4 0/5] add support for another simatic board

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On Tue, Aug 23, 2022 at 12:23:39PM +0200, Henning Schild wrote:
> changes since v3:
>   - update Kconfig as well
>   - drop chip names from comment in driver header
>   - add manufacturer check for Fintek again, Nuvoton not possible
>   - drop revision printing for Nuvoton
>   - restructure defines again
>   - add new model 427G
> 
> 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"

For the non-commented patches:
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

> 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"

No need, it's upstream (v6.0-rc1 onwards).

> Henning Schild (5):
>   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
>   platform/x86: simatic-ipc: add new model 427G
> 
>  drivers/gpio/Kconfig                          |   3 +-
>  drivers/gpio/gpio-f7188x.c                    | 229 +++++++++++-------
>  drivers/leds/simple/simatic-ipc-leds-gpio.c   |  42 +++-
>  drivers/platform/x86/simatic-ipc.c            |  10 +-
>  .../platform_data/x86/simatic-ipc-base.h      |   1 +
>  include/linux/platform_data/x86/simatic-ipc.h |   2 +
>  6 files changed, 194 insertions(+), 93 deletions(-)
> 
> -- 
> 2.35.1
> 

-- 
With Best Regards,
Andy Shevchenko





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