| gpioled.4 (98e0ffaefb0f241cda3a72395d3be04192ae0d47) | gpioled.4 (452ccc029faec31c596fc285022215d2c126cfd3) |
|---|---|
| 1.\" Copyright (c) 2013, Luiz Otavio O Souza <loos@FreeBSD.org> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 10 unchanged lines hidden (view full) --- 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" | 1.\" Copyright (c) 2013, Luiz Otavio O Souza <loos@FreeBSD.org> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 10 unchanged lines hidden (view full) --- 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" |
| 27.Dd May 14, 2014 | 27.Dd July 30, 2016 |
| 28.Dt GPIOLED 4 29.Os 30.Sh NAME 31.Nm gpioled 32.Nd GPIO LED generic device driver 33.Sh SYNOPSIS 34To compile this driver into the kernel, 35place the following lines in your --- 30 unchanged lines hidden (view full) --- 66Arbitrary name of device in 67.Pa /dev/led/ 68to create for 69.Xr led 4 . 70.It Va hint.gpioled.%d.pins 71Which pin on the GPIO interface to map to this instance. 72Please note that this mask should only ever have one bit set 73(any other bits - i.e., pins - will be ignored). | 28.Dt GPIOLED 4 29.Os 30.Sh NAME 31.Nm gpioled 32.Nd GPIO LED generic device driver 33.Sh SYNOPSIS 34To compile this driver into the kernel, 35place the following lines in your --- 30 unchanged lines hidden (view full) --- 66Arbitrary name of device in 67.Pa /dev/led/ 68to create for 69.Xr led 4 . 70.It Va hint.gpioled.%d.pins 71Which pin on the GPIO interface to map to this instance. 72Please note that this mask should only ever have one bit set 73(any other bits - i.e., pins - will be ignored). |
| 74.It Va hint.gpioled.%d.invert 75If set to 1, the pin will be set to 0 to light the LED, and 1 to clear it. |
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| 74.El 75.Pp 76On a 77.Xr FDT 4 78based system, like 79.Li ARM , 80the DTS part for a 81.Nm gpioled --- 75 unchanged lines hidden --- | 76.El 77.Pp 78On a 79.Xr FDT 4 80based system, like 81.Li ARM , 82the DTS part for a 83.Nm gpioled --- 75 unchanged lines hidden --- |