linux-kernel - Re: [PATCH v3 0/1] add device driver for Nuvoton SIO gpio function

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Message-ID: <20220712171420.1fae2b39@md1za8fc.ad001.siemens.net>
Date:   Tue, 12 Jul 2022 17:14:20 +0200
From:   Henning Schild <henning.schild@...mens.com>
To:     <linux-kernel@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
        "Bartosz Golaszewski" <brgl@...ev.pl>,
        Linus Walleij <linus.walleij@...aro.org>,
        Tasanakorn Phaipool <tasanakorn@...il.com>
Cc:     Sheng-Yuan Huang <syhuang3@...oton.com>,
        Kuan-Wei Ho <cwho@...oton.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH v3 0/1] add device driver for Nuvoton SIO gpio function

Am Tue, 12 Jul 2022 16:32:34 +0200
schrieb Henning Schild <henning.schild@...mens.com>:

> changes since v2:

 - moved Kconfig switch to correct section

>  - move from subsys_initcall to module_init
>  - add 2 more patches to show how it can be used later
>  - v2 is based on [PATCH v6 00/12] platform/x86: introduce p2sb_bar()
> helper
> 
> changes since v1:
>  - implement get_direction function
>  - style changes requested in review
> 
> This adds gpio support for several Super IO chips from Nuvoton. The
> driver was originally developed by Nuvoton and i am just contributing
> it on behalf, because other patches i will send later will require
> access to the gpios. The driver is valid on its own.
> In fact v2 of this series shows a future user, not to be merged right
> away but to show what is planned.
> 
> The driver supports several chips, of which i only managed to test one
> but did not want to drop the others.
> 
> I hope the original authors will help with the testing and addressing
> review feedback. The changes i did so far mainly are inspired by
> similar drivers and some just concern coding style. If more has to be
> done and the original authors do not jump in, we might start off with
> just that one chip i can test and add the others later on.
> 
> Henning Schild (3):
>   gpio: nct6116d: add new driver for several Nuvoton super io chips
>   leds: simatic-ipc-leds-gpio: add new model 227G
>   platform/x86: simatic-ipc: enable watchdog for 227G
> 
>  drivers/gpio/Kconfig                          |   9 +
>  drivers/gpio/Makefile                         |   1 +
>  drivers/gpio/gpio-nct6116d.c                  | 412
> ++++++++++++++++++ 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 +
>  7 files changed, 467 insertions(+), 6 deletions(-)
>  create mode 100644 drivers/gpio/gpio-nct6116d.c
>