RS5C372RTC(4) BSD Kernel Interfaces Manual RS5C372RTC(4)NAME
rs5c372rtc -- RICOH RS5C372A and RS5C372B real-time clock
SYNOPSIS
rs5c372rtc at iic? addr 0x32
DESCRIPTION
The rs5c372rtc driver provides support for the RICOH RS5C372A and RS5C372B real-time clock chips.
Access methods to retrieve and set date and time are provided through the TODR interface defined in todr(9).
SEE ALSO iic(4), todr(9)HISTORY
The rs5c372rtc device appeared in NetBSD 4.0.
BUGS
The driver only supports clock function.
BSD September 15, 2005 BSD
Check Out this Related Man Page
SDHCI(4) BSD Kernel Interfaces Manual SDHCI(4)NAME
sdhci -- PCI SD Host Controller bridge driver
SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file:
device mmc
device mmcsd
device sdhci
Alternatively, to load the driver as a module at boot time, place the following lines in loader.conf(5):
mmc_load="YES"
mmcsd_load="YES"
sdhci_load="YES"
DESCRIPTION
The sdhci driver supports PCI devices with class 8 and subclass 5 according to SD Host Controller Specification. Driver supports up to six
high speed 4bit MMC/SD slots per controller. Driver attaches mmc bus to the respective slot on card insertion and detaches it on card remov-
ing.
HARDWARE
The sdhci driver supports different specification compatible chips. The following chips have been verified to work:
o ENE CB712
o ENE CB714
o RICOH R5C822
o RICOH R5CE823
o TI PCIXX21/XX11
SEE ALSO mmc(4), mmcsd(4)
SD Specifications, Part 2, SD Host Controller, Simplified Specification.
AUTHORS
Alexander Motin <mav@FreeBSD.org>
BUGS
Many of existing SD controller chips have some nonstandard requirements, proprietary registers and hardware bugs, requiring additional han-
dling. ENE chips are handled to work fine, while some revisions of RICOH and TI controllers still do not see cards without some additional
initialization.
BSD February 9, 2012 BSD
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