From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <50B5B966.4080506@gmail.com> Date: Wed, 28 Nov 2012 08:12:38 +0100 From: Stefan Roese MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: [Xenomai] GPIO in Xenomai List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: xenomai@xenomai.org Hi, I'm looking for a way to use the SoC GPIO's (MPC5200) in an RT thread. Accessing them via the sysfs (the Linux userspace way) is not an option since we need to access the GPIO's at a quite high frequency. How could the Linux gpiolib infrastructure best be exposed to RT threads? Has this been discussed before? Any ideas about the "best" approach here? Thanks, Stefan