1.\" $NetBSD: scmdi2c.4,v 1.1 2021/12/07 17:39:54 brad Exp $ 2.\" 3.\" Copyright (c) 2021 Brad Spencer <brad@anduin.eldar.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd December 1, 2021 18.Dt SCMDI2C 4 19.Os 20.Sh NAME 21.Nm scmdi2c 22.Nd I2C frontend to the Sparkfun Serial Controlled Motor Driver 23.Sh SYNOPSIS 24.Cd "scmd* at iic? addr 0x58" 25.Cd "scmd* at iic? addr 0x59" 26.Cd "scmd* at iic? addr 0x5a" 27.Cd "scmd* at iic? addr 0x5b" 28.Cd "scmd* at iic? addr 0x5c" 29.Cd "scmd* at iic? addr 0x5d" 30.Cd "scmd* at iic? addr 0x5e" 31.Cd "scmd* at iic? addr 0x5f" 32.Cd "scmd* at iic? addr 0x60" 33.Cd "scmd* at iic? addr 0x61" 34.Sh DESCRIPTION 35The 36.Nm 37driver provides the I2C frontend attachment for the Sparkfun SCMD device. 38.Sh SYSCTL VARIABLES 39The following 40.Xr sysctl 3 41variables are inherited from 42.Xr scmd 4 43: 44.Bl -tag -width indent 45.It Li hw.scmd0.debug 46If the driver is compiled with 47.Dv SCMD_DEBUG , 48this node will appear and can be used to set the debugging level. 49.El 50.Sh FILES 51.Bl -tag -width /dev/rcaXXXXX -compact 52.It Pa /dev/scmd Ns Ar u 53character device allowing access to the register space of a main 54.Ar u , 55SCMD device 56.Sh SEE ALSO 57.Xr iic 4 , 58.Xr spi 4 , 59.Xr scmdi2c 4 , 60.Xr scmdspi 4 , 61.Xr scmdctl 1 , 62.Xr sysctl 8 63.Sh HISTORY 64The 65.Nm 66driver first appeared in 67.Nx 10.0 . 68.Sh AUTHORS 69.An -nosplit 70The 71.Nm 72driver was written by 73.An Brad Spencer Aq Mt brad@anduin.eldar.org . 74