linux-kernel - Re: [PATCH v9 00/13] Add support for Kontron sl28cpld

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Message-ID: <20200908074221.GA4400@dell>
Date:   Tue, 8 Sep 2020 08:42:21 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Michael Walle <michael@...le.cc>
Cc:     linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org,
        linux-pwm@...r.kernel.org, linux-watchdog@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Shawn Guo <shawnguo@...nel.org>, Li Yang <leoyang.li@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <maz@...nel.org>, Mark Brown <broonie@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Pavel Machek <pavel@....cz>
Subject: Re: [PATCH v9 00/13] Add support for Kontron sl28cpld

On Mon, 07 Sep 2020, Michael Walle wrote:

> The Kontron sl28cpld is a board management chip providing gpio, pwm, fan
> monitoring and an interrupt controller. For now this controller is used on
> the Kontron SMARC-sAL28 board. But because of its flexible nature, it
> might also be used on other boards in the future. The individual blocks
> (like gpio, pwm, etc) are kept intentionally small. The MFD core driver
> then instantiates different (or multiple of the same) blocks. It also
> provides the register layout so it might be updated in the future without a
> device tree change; and support other boards with a different layout or
> functionalities.
> 
> See also [1] for more information.
> 
> This is my first take of a MFD driver. I don't know whether the subsystem
> maintainers should only be CCed on the patches which affect the subsystem
> or on all patches for this series. I've chosen the latter so you can get a
> more complete picture.
> 
> [1] https://lore.kernel.org/linux-devicetree/0e3e8204ab992d75aa07fc36af7e4ab2@walle.cc/

I'll take all of the non-ARM patches later this week.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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