linux-kernel - Re: [PATCH 3/6] gpio: Add Delta TN48M CPLD GPIO driver

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Message-ID: <10b67a4dce693f013eccfd6f46ecb4c4@walle.cc>
Date:   Thu, 06 May 2021 18:38:41 +0200
From:   Michael Walle <michael@...le.cc>
To:     Robert Marko <robert.marko@...tura.hr>
Cc:     lee.jones@...aro.org, robh+dt@...nel.org, linus.walleij@...aro.org,
        bgolaszewski@...libre.com, jdelvare@...e.com, linux@...ck-us.net,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-hwmon@...r.kernel.org,
        luka.perkov@...tura.hr, jmp@...phyte.org, pmenzel@...gen.mpg.de,
        buczek@...gen.mpg.de
Subject: Re: [PATCH 3/6] gpio: Add Delta TN48M CPLD GPIO driver

Am 2021-04-30 14:35, schrieb Robert Marko:
> Delta TN48M CPLD is used as a GPIO expander for the SFP GPIOs.
> 
> It is a mix of input only and output only pins.
> 
> Since there is no logical GPIO numbering arbitrary one is used
> along dt-bindings to make it humanly readable.

Can gpio/gpio-regmap.c be used here? See gpio/gpio-sl28cpld.c
for an example.

-michael