07 Dec, 2019
1 commit
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Without this change, including rtc.h solely will cause a build error.
Signed-off-by: AKASHI Takahiro
22 Aug, 2019
1 commit
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Add an implementation of the rtc_enable_32khz_output() that uses the
driver model i2c APIs.Also put code related to rtc_enable_32khz_output
under CONFIG_RTC_ENABLE_32KHZ_OUTPUT.Signed-off-by: Chuanhua Han
Reviewed-by: Prabhakar Kushwaha
01 Jun, 2019
1 commit
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Export function rtc_month_days() for reuse in the UEFI subsystem.
Signed-off-by: Heinrich Schuchardt
05 Dec, 2018
1 commit
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The documentation comment for dm_rtc_set was referring to dm_rtc_put
instead. Fix it.Signed-off-by: Philipp Tomsich
20 Jul, 2018
1 commit
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Our implementation of rtc_to_tm() cannot handle dates of more than
0x7fffffff seconds after 1970-01-01.Adopt the Linux kernel implementation.
Signed-off-by: Heinrich Schuchardt
07 May, 2018
1 commit
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When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.Signed-off-by: Tom Rini
10 Apr, 2017
1 commit
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At present there are only 8-bit and 32-bit read/write routines in
the rtc uclass driver. This adds the 16-bit support.Signed-off-by: Bin Meng
Reviewed-by: Simon Glass
02 Sep, 2015
1 commit
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RTC devices can generate 32KHz output if for
-DS3232 device, EN32KHz bit and BB32KHz bit are set
-DS3231 device, EN32KHz bit is set, BB32KHz bit is don't carePatch adds rtc_enable_32khz_output() which when called
will enable 32KHz output on 32KHz pinSigned-off-by: Priyanka Jain
Reviewed-by: York Sun
06 May, 2015
5 commits
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Add a uclass for real-time clocks which support getting the current time,
setting it and resetting the chip to a known-working state. Some RTCs have
additional registers which can be used to store settings, so also provide
an interface to these.Signed-off-by: Simon Glass
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Move the definition of struct rtc_time into a separate file so that sandbox
can include it without requiring common.h and the like.Signed-off-by: Simon Glass
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Most callers unpack the structure and pass each member. It seems better to
pass the whole structure instead, as with the C library. Also add an rtc_
prefix.Signed-off-by: Simon Glass
Acked-by: Heiko Schocher -
Rename this function so that it is clear that it is provided by the RTC.
Also return an error when it cannot function as expected. This is unlikely
to occur since it works for dates since 1752 and many RTCs do not support
such old dates. Still it is better to be accurate.Signed-off-by: Simon Glass
Acked-by: Heiko Schocher -
Change this function name to something more descriptive. Also return a
failure code if it cannot calculate a correct value.Signed-off-by: Simon Glass
Acked-by: Heiko Schocher
24 Jan, 2015
1 commit
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On x86 we use CMOS RAM to read and write some settings. Add basic support
for this, including access to registers 128-255.Signed-off-by: Simon Glass
25 Nov, 2014
1 commit
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Provide a function to set up the RTC ready for use.
Signed-off-by: Simon Glass
Reviewed-by: Bin Meng
24 Jul, 2013
1 commit
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Signed-off-by: Wolfgang Denk
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini
25 Aug, 2009
1 commit
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Signed-off-by: Albin Tonnerre
Acked-by: Stefan Roese
02 Apr, 2009
1 commit
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commit 04e11cf3 "rtc: add support for 4543 RTC (manufactured by e.g.
EPSON)" introduces the following build error on boards configuring e.g,
the ds1374 rtc:Configuring for MPC837XEMDS board...
ds1374.c:103: error: static declaration of 'rtc_read' follows non-static declaration
/home/r1aaha/git/u-boot/include/rtc.h:64: error: previous declaration of 'rtc_read' was here
ds1374.c:104: error: conflicting types for 'rtc_write'
/home/r1aaha/git/u-boot/include/rtc.h:65: error: previous declaration of 'rtc_write' was herethis reverts the erroneous chunk.
Signed-off-by: Kim Phillips
Acked-by: Detlev Zundel
CC: Detlev Zundel
CC: Andreas Pfefferle
30 Mar, 2009
1 commit
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Signed-off-by: Detlev Zundel
Signed-off-by: Andreas Pfefferle
07 Sep, 2008
1 commit
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD
21 May, 2008
1 commit
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This commit gets rid of a huge amount of silly white-space issues.
Especially, all sequences of SPACEs followed by TAB characters get
removed (unless they appear in print statements).Also remove all embedded "vim:" and "vi:" statements which hide
indentation problems.Signed-off-by: Wolfgang Denk
21 Mar, 2008
1 commit
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Modify the RTC API to provide one a status for the time reported by
the rtc_get() function:
0 - a reliable time is guaranteed,
< 0 - a reliable time isn't guaranteed (power fault, clock issues,
and so on).The RTC chip drivers are responsible for providing this info if the
corresponding chip supports such functionality. If not - always
report that the time is reliable.The POST RTC test was modified to detect the RTC faults utilizing
this new rtc_get() feature.Signed-off-by: Yuri Tikhonov
10 Apr, 2001
1 commit
