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Date:   Thu, 24 Sep 2020 08:43:24 +0300
From:   Tony Lindgren <tony@atomide.com>
To:     Trent Piepho <tpiepho@gmail.com>
Cc:     Drew Fustini <drew@beagleboard.org>,
        Rob Herring <robh+dt@kernel.org>,
        Linus Walleij <linus.walleij@linaro.org>,
        Jason Kridner <jkridner@beagleboard.org>,
        Robert Nelson <robertcnelson@gmail.com>,
        linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org,
        linux-gpio <linux-gpio@vger.kernel.org>,
        Christina Quast <cquast@hanoverdisplays.com>
Subject: Re: [PATCH] ARM: dts: document pinctrl-single,pins when
 #pinctrl-cells = 2
Message-ID: <20200924054324.GB9471@atomide.com>
References: <20200914104352.2165818-1-drew@beagleboard.org>
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 <20200917092004.GA2468349@x1>
 <CA+7tXihwHbcuxZ10jGZrQkET9+Dbs31SfsYDt_6XB+-JM99gqA@mail.gmail.com>
 <20200917103942.GA2477958@x1>
 <20200923065755.GR7101@atomide.com>
 <CA+7tXigeNhQQVuAu0toZrvBKvMYkDU-8EWTpJR29HLTAMgoOBA@mail.gmail.com>
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* Trent Piepho <tpiepho@gmail.com> [200924 01:34]:
> On Tue, Sep 22, 2020 at 11:57 PM Tony Lindgren <tony@atomide.com> wrote:
> >
> > Also FYI, folks have also complained for a long time that the pinctrl-single
> > binding mixes mux and conf values while they should be handled separately.
> >
> 
> Instead of combining two fields when the dts is generated they are now
> combined when the pinctrl-single driver reads the dts.  Other than
> this detail, the result is the same.  The board dts source is the
> same.  The value programmed into the pinctrl register is the same.
> There is no mechanism currently that can alter that value in any way.
> 
> What does combining them later allow that is not possible now?

It now allows further driver changes to manage conf and mux separately :)

Regards,

Tony