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Message-ID: <CACRpkdYzSt=R7j9GLSY39CsyMKLjqRYnP_31ti5jWiGngJacqA@mail.gmail.com>
Date: Tue, 8 Mar 2016 15:24:34 +0700
From: Linus Walleij <linus.walleij@...aro.org>
To: Eric Anholt <eric@...olt.net>
Cc: linux-rpi-kernel <linux-rpi-kernel@...ts.infradead.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Stephen Warren <swarren@...dotorg.org>,
Lee Jones <lee@...nel.org>,
Florian Fainelli <f.fainelli@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
Stefan Wahren <stefan.wahren@...e.com>
Subject: Re: [PATCH 2/5] ARM: bcm2835: Replace alt0/i2s_alt[02] with standard groups.
On Sat, Feb 27, 2016 at 1:19 AM, Eric Anholt <eric@...olt.net> wrote:
> Since all of these pins were documented, we can use their names to
> explain what's going on.
>
> Signed-off-by: Eric Anholt <eric@...olt.net>
> + pinctrl-0 = <&i2c0_gpio0
> + &i2c1_gpio2
> + &gpclk0_gpio4
> + &gpclk1_gpio5
> + &spi0_gpio7
> + &pcm_gpio18
> + &pwm0_gpio40
> + &pwm1_gpio45
> + &gpioout
> + &alt3>;
Why are all of these done as hogs instead of being in pinctrl-0
"default" for the device that is using them? i2c1, gpclk0,
etc?
The only reason I see would be if they are unused or something.
Yours,
Linus Walleij
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