2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-12-14 15:23:07 +00:00
Commit graph

22 commits

Author SHA1 Message Date
Thomas Perrot
fdef6b982f rtc: m41t62: implements read8/write8 operations
These operations are required by dm_rtc_read and
dm_bootcount_get helpers.

Signed-off-by: Thomas Perrot <thomas.perrot@bootlin.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2023-03-30 15:09:59 -04:00
Tom Rini
65cc0e2a65 global: Move remaining CONFIG_SYS_* to CFG_SYS_*
The rest of the unmigrated CONFIG symbols in the CONFIG_SYS namespace do
not easily transition to Kconfig. In many cases they likely should come
from the device tree instead. Move these out of CONFIG namespace and in
to CFG namespace.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2022-12-05 16:06:08 -05:00
Max Yang
92cf458f8a rtc: m41t62: fix wrong register use for set/reset ST bit
Fix wrong register use when set/reset ST bit.
ST bit is in register M41T62_REG_SEC not in M41T62_REG_ALARM_HOUR.

I have not actually tested this. But this seemed buggy from inspection.

Fixes: 9bbe210512 ("rtc: m41t62: add oscillator fail bit reset support")
Signed-off-by: Max Yang <max.yang@deltaww.com>
2021-07-15 19:06:49 -04:00
Sebastian Reichel
9bbe210512 rtc: m41t62: add oscillator fail bit reset support
In case of empty battery or glitches the oscillator fail
bit might be set. This will reset the bit in the reset
routine.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-11-01 15:58:47 +01:00
Sebastian Reichel
8691198d1b rtc: m41t62: reset SQW in m41t62_rtc_reset
This takes care of resetting the 32kHz square wave, which is
used by some boards as clock source for the SoC.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-11-01 15:58:47 +01:00
Simon Glass
f7ae49fc4f common: Drop log.h from common header
Move this header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
2020-05-18 21:19:18 -04:00
Marek Vasut
b371acccad rtc: m41t62: add compatible for m41st87
This adds a compatible string for m41st87. This ensures that this driver
can be used for m41st87.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Cc: Stefan Roese <sr@denx.de>
Reviewed-by: Stefan Roese <sr@denx.de>
2020-03-01 22:07:32 +01:00
Simon Goldschmidt
4e829e9841 rtc: m41t62: add compatible for m41t82
This adds a compatible string for m41t82. This ensures that this driver
can be used for m41t82 in DM mode, too (asit was usable for this model in
non-DM mode before).

In addition, the HT bit has to be reset during probe, since the m41t82
chip sets it when entering battery standby mode.

This patch ensures this driver works on socfpga_socrates.

Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
2019-04-25 00:00:49 +02:00
Lukasz Majewski
c8c0242f1c rtc: m41t62: Convert the RTC driver to support the driver model (DM)
After this change the m41t62.c can be used with RTC subsystem (i.e. date
command) which uses device model (DM).

Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Stefan Roese <sr@denx.de>
2018-12-03 10:44:10 -05:00
Lukasz Majewski
7afc4155a7 rtc: m41t62: Extract common RTC handling code to facilitate DM conversion
This change facilitates the conversion of m41t62 RTC driver to device
model (DM).

Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Stefan Roese <sr@denx.de>
2018-12-03 10:44:10 -05:00
Lukasz Majewski
4d3df956fb rtc: m41t62: Break i2c_write() arguments to fix checkpatch warning
No functional change for this commit.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Stefan Roese <sr@denx.de>
2018-12-03 10:44:10 -05:00
Heinrich Schuchardt
5d88902401 rtc: remove CONFIG_CMD_DATE dependency
The EFI subsystem accesses the real time clock and is enabled by default.
So we should drop any CONFIG_CMD_DATE dependency from the real time clock
drivers.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
2018-07-25 15:00:24 +02:00
Tom Rini
83d290c56f SPDX: Convert all of our single license tags to Linux Kernel style
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 <trini@konsulko.com>
2018-05-07 09:34:12 -04:00
Wolfgang Denk
1a4596601f Add GPL-2.0+ SPDX-License-Identifier to source files
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
2013-07-24 09:44:38 -04:00
Stefan Roese
038f3c54ba rtc/m41t62: Add support for M41T82 with HT (Halt Update)
Add support for the M41T82 RTC to the m41t62 driver. The only
difference that needs to be handled by this driver, is to
clear the HT (Halt Update) bit upon reset. This bit is not
used on the M41T62, so its save to clear this bit always.

The M41T82 support will be used by the X600 (SPEAr600)
board support.

Signed-off-by: Stefan Roese <sr@denx.de>
2012-07-07 14:07:43 +02:00
Albin Tonnerre
885fc78c28 Switch from per-driver to common definition of bin2bcd and bcd2bin
Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com>
Acked-by: Stefan Roese <sr@denx.de>
2009-08-25 12:57:55 +02:00
Albin Tonnerre
e84aba135e Replace BCD2BIN and BIN2BCD macros with inline functions
In the process, also remove backward-compatiblity macros BIN_TO_BCD and
BCD_TO_BIN and update the sole board using them to use the new bin2bcd
and bcd2bin instead

Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Detlev Zundel <dzu@denx.de>
2009-08-25 12:57:55 +02:00
Jean-Christophe PLAGNIOL-VILLARD
6d0f6bcf33 rename CFG_ macros to CONFIG_SYS
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2008-10-18 21:54:03 +02:00
Jean-Christophe PLAGNIOL-VILLARD
d1e2319414 rtc: allow rtc_set to return an error and use it in cmd_date
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2008-09-07 00:56:36 +02:00
Stefan Roese
0072b78be2 RTC: Fix month offset by one problem in M41T62 RTC driver
This patch fixes a problem with the month being read and written
incorrectly (offset by one). This only gets visible by also using
the Linux driver (rtc-m41t80).

Tested on AMCC Canyonlands.

Signed-off-by: Stefan Roese <sr@denx.de>
2008-05-03 20:44:54 +02:00
Yuri Tikhonov
b73a19e160 LWMON5: POST RTC fix
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 <yur@emcraft.com>
2008-03-20 21:48:46 +01:00
Stefan Roese
88aff62df3 rtc: Add M41T62 support
This patch add support for the STM M41T62 RTC. It is used and tested
on the AMCC Canyonlands 406EX platform.

Signed-off-by: Stefan Roese <sr@denx.de>
2008-03-15 07:28:03 +01:00