linux-kernel - Re: [PATCH v6 03/15] pinctrl: bcm: add bcm63xx base code

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Message-ID: <CACRpkda=isBSW8BwYJ2pCaPcByRoo2GFNVoZCxhaCbEKk9iNsg@mail.gmail.com>
Date:   Thu, 11 Mar 2021 02:09:20 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Álvaro Fernández Rojas <noltari@...il.com>,
        Michael Walle <michael@...le.cc>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE" 
        <bcm-kernel-feedback-list@...adcom.com>,
        Jonas Gorski <jonas.gorski@...il.com>,
        Necip Fazil Yildiran <fazilyildiran@...il.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v6 03/15] pinctrl: bcm: add bcm63xx base code

On Wed, Mar 10, 2021 at 6:51 PM Rob Herring <robh+dt@...nel.org> wrote:

> > +static const struct of_device_id bcm63xx_gpio_of_match[] = {
> > +       { .compatible = "brcm,bcm6318-gpio", },
> > +       { .compatible = "brcm,bcm6328-gpio", },
> > +       { .compatible = "brcm,bcm6358-gpio", },
> > +       { .compatible = "brcm,bcm6362-gpio", },
> > +       { .compatible = "brcm,bcm6368-gpio", },
> > +       { .compatible = "brcm,bcm63268-gpio", },
>
> All these would be moved to gpio-mmio.c (or maybe that can have a
> fallback compatible?).

This is gpio-regmap.c and it can only be used as a library
by a certain driver. gpio-mmio.c can be used stand-alone
for certain really simple hardware (though most use that
as a library as well).

Yours,
Linus Walleij