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NAMEglxiic —
Geode LX CS5536 I2C controller driver
SYNOPSISTo compile this driver into the kernel, place the following lines in your kernel configuration file:device pci
device isa
device glxiic
device iicbus Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): glxiic_load="YES" DESCRIPTIONTheglxiic driver supports the System Management Bus
controller of the Geode LX series CS5536 Companion Device. The Geode LX is a
member of the AMD Geode family of integrated x86 system chips.
Although AMD refers to this device as a System Management Bus (SMBus) controller, it is really an I2C controller (it lacks SMBus ALERT# and Alert Response support). The SYSCTL VARIABLETheglxiic driver supports the following variable as
both
sysctl(8)
and
loader(8)
tunable:
CAVEATTheglxiic driver uses the interrupt line number
configured by the board firmware by default. If no interrupt line number has
been configured by the board firmware (or to override the interrupt line
number configured by board firmware), place the following line in
device.hints(5):
hint.glxiic.0.irq="10"
The interrupt line number must be between 1 and 15. SEE ALSOiicbus(4), device.hints(5), loader.conf(5), loader(8), sysctl(8)HISTORYTheglxiic device driver and manual page first appeared
in FreeBSD 9.0.
AUTHORSTheglxiic device driver and manual page were written by
Henrik Brix Andersen
<brix@FreeBSD.org>.
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