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From:   Henning Schild <henning.schild@siemens.com>
To:     Linus Walleij <linus.walleij@linaro.org>,
        Bartosz Golaszewski <brgl@bgdev.pl>,
        Pavel Machek <pavel@ucw.cz>,
        Hans de Goede <hdegoede@redhat.com>,
        Mark Gross <markgross@kernel.org>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Lee Jones <lee@kernel.org>, <linux-gpio@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <linux-leds@vger.kernel.org>,
        <platform-driver-x86@vger.kernel.org>
CC:     Sheng-Yuan Huang <syhuang3@nuvoton.com>,
        Tasanakorn Phaipool <tasanakorn@gmail.com>,
        Henning Schild <henning.schild@siemens.com>
Subject: [PATCH v2 0/4] add support for another simatic board
Date:   Tue, 9 Aug 2022 17:04:38 +0200
Message-ID: <20220809150442.3525-1-henning.schild@siemens.com>
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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"

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                    | 192 ++++++++++--------
 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(+), 86 deletions(-)

-- 
2.35.1