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Diffstat (limited to 'usr.sbin/gpioctl/gpioctl.8')
-rw-r--r--usr.sbin/gpioctl/gpioctl.846
1 files changed, 24 insertions, 22 deletions
diff --git a/usr.sbin/gpioctl/gpioctl.8 b/usr.sbin/gpioctl/gpioctl.8
index 7c3dafd4085..0f3fc0cac55 100644
--- a/usr.sbin/gpioctl/gpioctl.8
+++ b/usr.sbin/gpioctl/gpioctl.8
@@ -1,4 +1,4 @@
-.\" $OpenBSD: gpioctl.8,v 1.20 2011/10/03 20:24:51 matthieu Exp $
+.\" $OpenBSD: gpioctl.8,v 1.21 2011/10/04 07:19:13 jmc Exp $
.\"
.\" Copyright (c) 2004 Alexander Yurchenko <grange@openbsd.org>
.\"
@@ -14,7 +14,7 @@
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
-.Dd $Mdocdate: October 3 2011 $
+.Dd $Mdocdate: October 4 2011 $
.Dt GPIOCTL 8
.Os
.Sh NAME
@@ -24,38 +24,33 @@
.Nm gpioctl
.Op Fl q
.Ar device
-attach
-.Ar device
-.Ar offset
-.Ar mask
-.Op Ar flag
-.Nm gpioctl
-.Op Fl q
-.Ar device
-detach
-.Ar device
+.Ar pin
+.Op Ar 0 | 1 | 2 | on | off | toggle
.Nm gpioctl
.Op Fl q
.Ar device
.Ar pin
-.Op Ar 0 | 1 | 2
+set
+.Op Ar flags
+.Op Ar name
.Nm gpioctl
.Op Fl q
.Ar device
.Ar pin
-.Op Ar on | off | toggle
+unset
.Nm gpioctl
.Op Fl q
.Ar device
-.Ar pin
-set
-.Op Ar flags
-.Op Ar name
+attach
+.Ar device
+.Ar offset
+.Ar mask
+.Op Ar flag
.Nm gpioctl
.Op Fl q
.Ar device
-.Ar pin
-unset
+detach
+.Ar device
.Sh DESCRIPTION
The
.Nm
@@ -114,7 +109,8 @@ command.
.Pp
The following configuration
.Ar flags
-are supported by the GPIO framework:
+are supported by the GPIO framework.
+Note that not all the flags can be supported by the particular GPIO controller.
.Pp
.Bl -tag -width Ds -offset indent -compact
.It in
@@ -139,7 +135,13 @@ invert input
invert output
.El
.Pp
-Note that not all the flags can be supported by the particular GPIO controller.
+When attaching an I2C device,
+if the
+.Ar flag
+argument is set to 0x01,
+the order of the SDA and SCL signals is reversed
+(see
+.Xr gpioiic 4 ) .
.Pp
When executed with only the
.Xr gpio 4