From: Johnny Hung <johnny.hacking@gmail.com>
To: Peter Korsgaard <jacmet@sunsite.dk>
Cc: linuxppc-dev@lists.ozlabs.org, linux-embedded@vger.kernel.org
Subject: Re: GPIO driver for MPC8313.
Date: Wed, 23 Sep 2009 23:20:17 +0800 [thread overview]
Message-ID: <cb9ecdfa0909230820k6ebbd589o409e58e2d9b6740c@mail.gmail.com> (raw)
In-Reply-To: <87r5txrkfz.fsf@macbook.be.48ers.dk>
Many thanks for your help. I will try it.
2009/9/23 Peter Korsgaard <jacmet@sunsite.dk>:
>>>>>> "Johnny" =3D=3D Johnny Hung <johnny.hacking@gmail.com> writes:
>
> =A0Johnny> Thanks, got it. BTW, how to trigger GPIO level in user space
> =A0Johnny> application? I also found
> =A0Johnny> arch/powerpc/platforms/52xx/mpc52xx_gpio.c is a good
> =A0Johnny> example. Any reply is appreciate.
>
> Through sysfs. See 'Sysfs Interface for Userspace' section of
> Documentation/gpio.txt
>
> --
> Bye, Peter Korsgaard
>
next prev parent reply other threads:[~2009-09-23 15:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-23 3:55 GPIO driver for MPC8313 Johnny Hung
2009-09-23 6:57 ` Peter Korsgaard
2009-09-23 10:52 ` Johnny Hung
2009-09-23 11:04 ` Peter Korsgaard
2009-09-23 15:20 ` Johnny Hung [this message]
2009-09-28 2:43 ` Johnny Hung
2009-09-28 5:16 ` Peter Korsgaard
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