1 .\" Copyright (c) 2015 Michael Gmelin <freebsd@grem.de>
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27 .Dd September 13, 2018
32 .Nd Synopsys DesignWare I2C Controller
34 To compile this driver into the kernel, place the following lines into
35 the kernel configuration file:
36 .Bd -ragged -offset indent
41 Alternatively, to load the driver as a module at boot time, place the following line in
43 .Bd -literal -offset indent
49 driver provides access to peripherals attached to an I2C controller.
52 supports the I2C controllers based on Synopsys DesignWare IP that can be found
53 in Intel(R) Core(TM) processors starting from the fourth generation, Intel(R)
54 Bay Trail, Apollo Lake SoC families, and some AMD systems.
58 variables are available:
59 .Bl -tag -width "debug.ig4_dump"
61 This sysctl is a zero-based bit mask.
62 When any of the bits are set, a register dump is printed for
63 every I2C transfer on an
65 device with the same unit number.
74 driver was written for DragonFly BSD by
76 and subsequently ported to
79 .An Michael Gmelin Aq Mt freebsd@grem.de .
81 This manual page was written by
82 .An Michael Gmelin Aq Mt freebsd@grem.de .