Date: Thu, 12 Sep 2013 11:36:00 -0700 From: Sean Bruno <sean_bruno@yahoo.com> To: freebsd-embedded <freebsd-embedded@freebsd.org> Subject: [CFT] gpio.4 Message-ID: <1379010960.1635.7.camel@localhost>
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--=-Td/LzidkFcv+r/k/EVbz Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable http://people.freebsd.org/~sbruno/gpio.4.txt More or less, this is a braindump of what I learned when mucking around with the Atheros 24k mips hardware. PLEASE review this as I've found a bunch of *other* GPIO interfaces strewn about the code and tried to document what I found. I *only* went into detail on the hints and interfaces that I've directly been playing with, but I documented the existence of other GPIO interfaces on ARM/MIPS/POWERPC I don't think its fair to ask people to learn this *every* time when reading the code. :-) Thanks to gjb and adrian for some initial review, comments and feedback. Sean --=-Td/LzidkFcv+r/k/EVbz Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (FreeBSD) iQEcBAABAgAGBQJSMgmGAAoJEBkJRdwI6BaHnw0H/RrGckenycsweQ6tSKiOHd2o kFm4Um5mXaVHinOh6xs8sga0wapmxA5z0z/mBNXpP82QC6kjKqFvzeHssbXpJeTg 6e88XkNQPaXqD+jVhNVV8rfWvHOBOm8IGZN3xVyIoCcm8yDrU5BmLj9QfgcaZyqI 8Xt6Zh0zGCrmiZHD+cQ3BjZ7sc4pUin9A2uPERqwDnSBr3bLU0ONwQDkBGLICQqx N93+ENYjcvRwkxW8EYMDXrO5JtNnByTNV7QVp5johVSwU6GtvgfwafV+YvJtV9Ld Va5ovRJtF7l/zDRW+gXGR+1TBk75HnucaoOGgDuQJATlIV+zm6VxmJuMGC1VmEs= =byFH -----END PGP SIGNATURE----- --=-Td/LzidkFcv+r/k/EVbz--
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