Subsystem:
- Add new ioctl to get and set extra RTC parameters, this includes backup
switch mode
- Expose available features to userspace, in particular, when alarmas have a
resolution of one minute instead of a second.
- Let the core handle those alarms with a minute resolution
New driver:
- MSTAR MSC313 RTC
Drivers:
- Add SPI ID table where necessary
- Add BSM support for rv3028, rv3032 and pcf8523
- s3c: set RTC range
- rx8025: set range, implement .set_offset and .read_offset
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Merge tag 'rtc-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"This includes new ioctls to get and set parameters and in particular
the backup switch mode that is needed for some RTCs to actually enable
the backup voltage (and have a useful RTC).
The same interface can also be used to get the actual features
supported by the RTC so userspace has a better way than trying and
failing.
Summary:
Subsystem:
- Add new ioctl to get and set extra RTC parameters, this includes
backup switch mode
- Expose available features to userspace, in particular, when alarmas
have a resolution of one minute instead of a second.
- Let the core handle those alarms with a minute resolution
New driver:
- MSTAR MSC313 RTC
Drivers:
- Add SPI ID table where necessary
- Add BSM support for rv3028, rv3032 and pcf8523
- s3c: set RTC range
- rx8025: set range, implement .set_offset and .read_offset"
* tag 'rtc-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (50 commits)
rtc: rx8025: use .set_offset/.read_offset
rtc: rx8025: use rtc_add_group
rtc: rx8025: clear RTC_FEATURE_ALARM when alarm are not supported
rtc: rx8025: set range
rtc: rx8025: let the core handle the alarm resolution
rtc: rx8025: switch to devm_rtc_allocate_device
rtc: ab8500: let the core handle the alarm resolution
rtc: ab-eoz9: support UIE when available
rtc: ab-eoz9: use RTC_FEATURE_UPDATE_INTERRUPT
rtc: rv3032: let the core handle the alarm resolution
rtc: s35390a: let the core handle the alarm resolution
rtc: handle alarms with a minute resolution
rtc: pcf85063: silence cppcheck warning
rtc: rv8803: fix writing back ctrl in flag register
rtc: s3c: Add time range
rtc: s3c: Extract read/write IO into separate functions
rtc: s3c: Remove usage of devm_rtc_device_register()
rtc: tps80031: Remove driver
rtc: sun6i: Allow probing without an early clock provider
rtc: pcf8523: add BSM support
...
Use regmap to access the RTC registers, this is a huge reduction in code
lines and generated code. Values on ARMv7:
text data bss dec hex
5180 132 0 5312 14c0 before
3900 132 0 4032 fc0 after
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211018153651.82069-1-alexandre.belloni@bootlin.com
The config HAVE_S3C_RTC is not really needed since we can simply just
add the dependencies directly to RTC_DRV_S3C. Also, one less config to
keep track of!
Signed-off-by: Will McVicker <willmcvicker@google.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211013212256.3425889-1-willmcvicker@google.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
This adds support for the RTC block on the Mstar MSC313e SoCs and newer.
Signed-off-by: Daniel Palmer <daniel@0x0f.com>
Co-developed-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Romain Perier <romain.perier@gmail.com>
Reviewed-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210823171613.18941-3-romain.perier@gmail.com
The rtc-rx8010 uses the I2C regmap but doesn't select it in Kconfig so
depending on the configuration the build may fail. Fix it.
Signed-off-by: Yu-Tung Chang <mtwget@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210830052532.40356-1-mtwget@gmail.com
The current implementation of rtc_time64_to_tm() contains unnecessary
loops, branches and look-up tables. The new one uses an arithmetic-based
algorithm appeared in [1] and is approximately 4.3 times faster (YMMV).
The drawback is that the new code isn't intuitive and contains many 'magic
numbers' (not unusual for this type of algorithm). However, [1] justifies
all those numbers and, given this function's history, the code is unlikely
to need much maintenance, if any at all.
Add a KUnit test case that checks every day in a 160,000 years interval
starting on 1970-01-01 against the expected result. Add a new config
RTC_LIB_KUNIT_TEST symbol to give the option to run this test suite.
[1] Neri, Schneider, "Euclidean Affine Functions and Applications to
Calendar Algorithms". https://arxiv.org/abs/2102.06959
Signed-off-by: Cassio Neri <cassio.neri@gmail.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210624201343.85441-1-cassio.neri@gmail.com
The only known BD70528 use-cases are such that the PMIC is controlled
from separate MCU which is not running Linux. I am not aware of
any Linux driver users. Furthermore, it seems there is no demand for
this IC. Let's ease the maintenance burden and drop the driver. We can
always add it back if there is sudden need for it.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210527105819.GA3111334@localhost.localdomain
The added Kconfig dependency is slightly incorrect, which can
lead to a link failure when the watchdog is a loadable module:
arm-linux-gnueabi-ld: drivers/rtc/rtc-bd70528.o: in function `bd70528_set_rtc_based_timers':
rtc-bd70528.c:(.text+0x6cc): undefined reference to `bd70528_wdt_set'
arm-linux-gnueabi-ld: drivers/rtc/rtc-bd70528.o: in function `bd70528_set_time':
rtc-bd70528.c:(.text+0xaa0): undefined reference to `bd70528_wdt_lock'
arm-linux-gnueabi-ld: rtc-bd70528.c:(.text+0xab8): undefined reference to `bd70528_wdt_unlock'
arm-linux-gnueabi-ld: drivers/rtc/rtc-bd70528.o: in function `bd70528_alm_enable':
rtc-bd70528.c:(.text+0xfc0): undefined reference to `bd70528_wdt_lock'
arm-linux-gnueabi-ld: rtc-bd70528.c:(.text+0x1030): undefined reference to `bd70528_wdt_unlock'
The problem is that it allows to be built-in if MFD_ROHM_BD71828
is built-in, even when the watchdog is a loadable module.
Rework this so that having the watchdog as a loadable module always
forces the rtc to be a module as well instead of built-in,
regardless of bd71828.
Fixes: c56dc069f2 ("rtc: bd70528: Support RTC on ROHM BD71815")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210422151545.2403356-1-arnd@kernel.org
Subsystem:
- UIE emulation has been reworked to avoid calling drivers callbacks when it is
known it will not work
Drivers:
- ab-eoz9: add alarm support
- pcf8523: add alarm support
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Merge tag 'rtc-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Mostly small fixes and two drivers gaining alarm support. Summary:
Subsystem:
- UIE emulation has been reworked to avoid calling driver callbacks
when it is known it will not work
Drivers:
- ab-eoz9: add alarm support
- pcf8523: add alarm support"
* tag 'rtc-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (27 commits)
rtc: sysfs: check features instead of ops
rtc: omap: use rtc_write to access OMAP_RTC_OSC_REG
rtc: s5m: Remove reference to parent's device pdata
rtc: ds1307: Fix wday settings for rx8130
rtc: pcf8523: report oscillator failures
rtc: pcf8523: add alarm support
rtc: pcf8523: remove useless define
rtc: rtc_update_irq_enable: rework UIE emulation
rtc: ds1307: remove flags
rtc: ds1307: replace HAS_ALARM by RTC_FEATURE_ALARM
rtc: imx-sc: remove .read_alarm
rtc: ds1511: remove unused function
rtc: fsl-ftm-alarm: add MODULE_TABLE()
rtc: rtc-spear: replace spin_lock_irqsave by spin_lock in hard IRQ
dt-bindings: rtc: qcom-pm8xxx-rtc: Add qcom pm8xxx rtc bindings
rtc: pm8xxx: Add RTC support for PMIC PMK8350
rtc: ab-eoz9: make use of RTC_FEATURE_ALARM
rtc: ab-eoz9: add alarm support
rtc: ab-eoz9: set regmap max_register
rtc: pcf85063: fallback to parent of_node
...
We want to use the goldfish RTC on a machine without OF.
As there is no real dependency on it, remove the OF dependency from the
goldfish entry in Kconfig
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210323221430.3735147-2-laurent@vivier.eu
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tagger Lee Jones <lee.jones@linaro.org> 1616067995 +0000
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tagger Lee Jones <lee.jones@linaro.org> 1615374673 +0000
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tagger Lee Jones <lee.jones@linaro.org> 1616489771 +0000
Immutable branch between MFD and Power due for the v5.13 merge window
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tagger Lee Jones <lee.jones@linaro.org> 1615374433 +0000
Immutable branch between MFD, PWM and RTC due for the v5.13 merge window
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Merge tags 'ib-mfd-clk-gpio-regulator-rtc-v5.13', 'ib-mfd-extcon-v5.13', 'ib-mfd-input-v5.13-1', 'ib-mfd-platform-x86-v5.13', 'ib-mfd-power-v5.13', 'ib-mfd-pwm-rtc-v5.13-1' and 'ib-regulator-list-ramp-helpers-v5.13' into ibs-for-mfd-merged
Immutable branch between MFD, Clock, GPIO, Regulator and RTC due for the v5.13 merge window
Immutable branch between MFD and Extcon due for the v5.13 merge window
Immutable branch between MFD and Input due for the v5.13 merge window
Immutable branch between MFD and Platform/x86 due for the v5.13 merge window
Immutable branch between MFD and Power due for the v5.13 merge window
Immutable branch between MFD, PWM and RTC due for the v5.13 merge window
BD71815 contains similar RTC block as BD71828. Only the address offsets
seem different. Support also BD71815 RTC using rtc-bd70528.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
i.MX has been converted to a DT-only platform, so make the driver
depend on OF, remove the CONFIG_OF ifdefery and remove of_match_ptr().
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210315172029.173250-1-festevam@gmail.com
With this driver, mainline Linux can keep its time and date in sync with
the vendor kernel.
Advanced functionality like alarm and automatic power-on is not yet
supported.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The driver will compile with warning without OF because armada38x_data and
armada8k_data will be defined but not used. It would be possible to move
then in the #ifdef CONFIG_OF section but then their members will be defined
but not used. Instead of moving most of the driver in the #ifdef, simply
depend on OF.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210202112219.3610853-3-alexandre.belloni@bootlin.com
The Xilinx zynqmp RTC driver makes use of IOMEM functions like
devm_platform_ioremap_resource(), which are only available if
CONFIG_HAS_IOMEM is defined.
This causes the driver not to be enable under make ARCH=um allyesconfig,
even though it won't build.
By adding a dependency on HAS_IOMEM, the driver will not be enabled on
architectures which don't support it.
Fixes: 09ef18bcd5 ("rtc: use devm_platform_ioremap_resource() to simplify code")
Signed-off-by: David Gow <davidgow@google.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210127035146.1523286-1-davidgow@google.com
Intel Moorestown and Medfield are quite old Intel Atom based
32-bit platforms, which were in limited use in some Android phones,
tablets and consumer electronics more than eight years ago.
There are no bugs or problems ever reported outside from Intel
for breaking any of that platforms for years. It seems no real
users exists who run more or less fresh kernel on it. The commit
05f4434bc1 ("ASoC: Intel: remove mfld_machine") also in align
with this theory.
Due to above and to reduce a burden of supporting outdated drivers
we remove the support of outdated platforms completely.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
The CSR SiRF prima2/atlas platforms are getting removed, so this driver
is no longer needed.
Cc: Barry Song <baohua@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Barry Song <baohua@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210120154158.1860736-2-arnd@kernel.org
The rtc-s5m uses the I2C regmap but doesn't select it in Kconfig so
depending on the configuration the build may fail. Fix it.
Fixes: 959df7778b ("rtc: Enable compile testing for Maxim and Samsung drivers")
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210114102219.23682-2-brgl@bgdev.pl
There's no real reason it should be disabled, and at least we can
use it for development & testing with the RTC test driver.
However, two devices are missing a HAS_IOMEM dependency, so add
that to avoid build failures from e.g. allyesconfig.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201120211103.6895ac740d11.Ic19a9926e8e4c70c03329e55f9e5b1d45095b904@changeid
The RX6110 also supports I2C, so this patch adds support for it to the
driver.
This also renames the SPI specific functions and variables to include
`_spi_` in their names.
Signed-off-by: Claudius Heine <ch@denx.de>
Signed-off-by: Henning Schild <henning.schild@siemens.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201117121817.953924-3-ch@denx.de
The help message in the Kconfig for the RX-6110 erronously stated
RX-6610.
Signed-off-by: Claudius Heine <ch@denx.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201117121817.953924-2-ch@denx.de
Goldfish platform is covered with dust.
However the goldfish-rtc had been used as virtualized RTC
in QEMU for RISC-V virt hw and MIPS loongson3-virt hw, thus
we can drop other parts of goldfish but leave goldfish-rtc here.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201114130921.651882-2-jiaxun.yang@flygoat.com
Drivers:
- ds1374: use watchdog core
- pcf2127: add alarm and pcf2129 support
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Merge tag 'rtc-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Not much this cycle - mostly non urgent driver fixes:
- ds1374: use watchdog core
- pcf2127: add alarm and pcf2129 support"
* tag 'rtc-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
rtc: pcf2127: fix alarm handling
rtc: pcf2127: add alarm support
rtc: pcf2127: add pca2129 device id
rtc: max77686: Fix wake-ups for max77620
rtc: ds1307: provide an indication that the watchdog has fired
rtc: ds1374: remove unused define
rtc: ds1374: fix RTC_DRV_DS1374_WDT dependencies
rtc: cleanup obsolete comment about struct rtc_class_ops
rtc: pl031: fix set_alarm by adding back call to alarm_irq_enable
rtc: ds1374: wdt: Use watchdog core for watchdog part
rtc: Replace HTTP links with HTTPS ones
rtc: goldfish: Enable interrupt in set_alarm() when necessary
rtc: max77686: Do not allow interrupt to fire before system resume
rtc: imxdi: fix trivial typos
rtc: cpcap: fix range
It is not enough to select WATCHDOG_CORE, the watchdog part of the driver
now also depends on WATCHDOG. This is currently the best we can do because
alarm support and watchdog support are mutually exclusive.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://lore.kernel.org/r/20200720075250.1019172-1-alexandre.belloni@bootlin.com
The unicore32 port is removed from the kernel.
There is no point to keep stale RTC driver for this architecture.
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Subsystem:
- new VL flag for backup switch over
Drivers:
- ingenic: only support device tree
- pcf2127: report battery switch over, handle nowayout
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Merge tag 'rtc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Not much this cycle apart from the ingenic rtc driver rework.
The fixes are mainly minor issues reported by coccinelle rather than
real world issues.
Subsystem:
- new VL flag for backup switch over
Drivers:
- ingenic: only support device tree
- pcf2127: report battery switch over, handle nowayout"
* tag 'rtc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (29 commits)
rtc: pcf2127: watchdog: handle nowayout feature
rtc: fsl-ftm-alarm: fix freeze(s2idle) failed to wake
rtc: abx80x: Provide debug feedback for invalid dt properties
rtc: abx80x: Add Device Tree matching table
rtc: rv3028: Add missed check for devm_regmap_init_i2c()
rtc: mpc5121: Use correct return value for mpc5121_rtc_probe()
rtc: goldfish: Use correct return value for goldfish_rtc_probe()
rtc: snvs: Add necessary clock operations for RTC APIs
rtc: snvs: Make SNVS clock always prepared
rtc: ingenic: Reset regulator register in probe
rtc: ingenic: Fix masking of error code
rtc: ingenic: Remove unused fields from private structure
rtc: ingenic: Set wakeup params in probe
rtc: ingenic: Enable clock in probe
rtc: ingenic: Use local 'dev' variable in probe
rtc: ingenic: Only support probing from devicetree
rtc: mc13xxx: fix a double-unlock issue
rtc: stmp3xxx: update contact email
rtc: max77686: Use single-byte writes on MAX77620
rtc: pcf2127: report battery switch over
...
sh5 never became a product and has probably never really worked.
Remove it by recursively deleting all associated Kconfig options
and all corresponding files.
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rich Felker <dalias@libc.org>
With the recent work on supporting Device Tree on Ingenic SoCs, no
driver ever probes from platform code anymore, so we can clean a bit
this driver by removing the non-devicetree paths.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20200505221336.222313-1-paul@crapouillou.net
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
- Add support for IQS620A/621/622/624/625 Azoteq IQS62X Sensors
- New Device Support
- Add support for ADC, IRQ, Regulator, RTC and WDT to Ricoh RN5T618 PMIC
- Add support for Comet Lake to Intel LPSS
- New Functionality
- Add support for Charger Detection to Spreadtrum SC27xx PMICs
- Add support for Interrupt Polarity to Dialog Semi DA9062/61 PMIC
- Add ACPI enumeration support to Diolan DLN2 USB Adaptor
- Fix-ups
- Device Tree; iqs62x, rn5t618, cros_ec_dev, stm32-lptimer, rohm,bd71837, rohm,bd71847
- I2C registration; rn5t618
- Kconfig; MFD_CPCAP, AB8500_CORE, MFD_WM8994, MFD_WM97xx, MFD_STPMIC1
- Use flexible-array members; omap-usb-tll, qcom-pm8xxx
- Remove unnecessary casts; omap-usb-host, omap-usb-tll
- Power (suspend/resume/poweroff) enhancements; rk808
- Improve error/sanity checking; dln2
- Use snprintf(); aat2870-core
- Bug Fixes
- Fix PCI IDs; intel-lpss-pci
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Merge tag 'mfd-next-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull mfd updates from Lee Jones:
"New Drivers:
- Add support for IQS620A/621/622/624/625 Azoteq IQS62X Sensors
New Device Support:
- Add support for ADC, IRQ, Regulator, RTC and WDT to Ricoh RN5T618 PMIC
- Add support for Comet Lake to Intel LPSS
New Functionality:
- Add support for Charger Detection to Spreadtrum SC27xx PMICs
- Add support for Interrupt Polarity to Dialog Semi DA9062/61 PMIC
- Add ACPI enumeration support to Diolan DLN2 USB Adaptor
Fix-ups:
- Device Tree; iqs62x, rn5t618, cros_ec_dev, stm32-lptimer, rohm,bd71837, rohm,bd71847
- I2C registration; rn5t618
- Kconfig; MFD_CPCAP, AB8500_CORE, MFD_WM8994, MFD_WM97xx, MFD_STPMIC1
- Use flexible-array members; omap-usb-tll, qcom-pm8xxx
- Remove unnecessary casts; omap-usb-host, omap-usb-tll
- Power (suspend/resume/poweroff) enhancements; rk808
- Improve error/sanity checking; dln2
- Use snprintf(); aat2870-core
Bug Fixes:
- Fix PCI IDs in intel-lpss-pci"
* tag 'mfd-next-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (33 commits)
mfd: intel-lpss: Fix Intel Elkhart Lake LPSS I2C input clock
mfd: aat2870: Use scnprintf() for avoiding potential buffer overflow
mfd: dln2: Allow to be enumerated via ACPI
mfd: da9062: Add support for interrupt polarity defined in device tree
dt-bindings: bd718x7: Yamlify and add BD71850
mfd: dln2: Fix sanity checking for endpoints
mfd: intel-lpss: Add Intel Comet Lake PCH-V PCI IDs
mfd: sc27xx: Add USB charger type detection support
dt-bindings: mfd: Document STM32 low power timer bindings
mfd: rk808: Convert RK805 to shutdown/suspend hooks
mfd: rk808: Reduce shutdown duplication
mfd: rk808: Stop using syscore ops
mfd: rk808: Ensure suspend/resume hooks always work
mfd: rk808: Always use poweroff when requested
mfd: omap: Remove useless cast for driver.name
mfd: Kconfig: Fix some misspelling of the word functionality
mfd: pm8xxx: Replace zero-length array with flexible-array member
mfd: omap-usb-tll: Replace zero-length array with flexible-array member
mfd: cpcap: Fix compile if MFD_CORE is not selected
mfd: cros_ec: Check DT node for usbpd-notify add
...
The DS1388 variant has watchdog timer capabilities. When using a DS1388
and having enabled CONFIG_WATCHDOG_CORE register a watchdog device for
the DS1388.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200330025500.6991-1-chris.packham@alliedtelesis.co.nz
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Add an RTC driver for the RTC device on Ricoh MFD RC5T619,
which is implemented as a variant of RN5T618.
rtc-range output:
Testing 2000-02-28 23:59:59.
OK
Testing 2038-01-19 03:14:07.
OK
Testing 2069-12-31 23:59:59.
OK
Testing 2099-12-31 23:59:59.
KO RTC_RD_TIME returned 22 (line 138)
Testing 2100-02-28 23:59:59.
KO RTC_SET_TIME returned 34 (line 122)
Testing 2106-02-07 06:28:15.
KO RTC_SET_TIME returned 34 (line 122)
Testing 2262-04-11 23:47:16.
KO RTC_SET_TIME returned 34 (line 122)
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Due to distribution constraints it may not be possible to statically
compile the required RTC driver into the kernel.
Expand RTC_HCTOSYS support to cover all RTC devices (statically compiled
or not) by checking at the end of RTC device registration whether the
time should be synced.
Signed-off-by: Steve Muckle <smuckle@google.com>
Link: https://lore.kernel.org/r/20191106194625.116692-1-smuckle@google.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
I have hit the following build error:
armv7a-hardfloat-linux-gnueabi-ld: drivers/rtc/rtc-max8907.o: in function `max8907_rtc_probe':
rtc-max8907.c:(.text+0x400): undefined reference to `regmap_irq_get_virq'
max8907 should select REGMAP_IRQ
Fixes: 94c01ab6d7 ("rtc: add MAX8907 RTC driver")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Link: https://lore.kernel.org/r/1584545209-20433-1-git-send-email-clabbe@baylibre.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Subsystem:
- the VL_READ and VL_CLR ioctls are now documented and their behavior is
unified across all the drivers.
- RTC_I2C_AND_SPI Kconfig option rework to avoid selecting both REGMAP_I2C and
REGMAP_SPI unecessarily.
Drivers:
- at91rm9200: remove deprecated procfs, add sam9x60, sama5d4 and sama5d2
compatibles.
- cmos: solve lost interrupts issue on MS Surface 3
- hym8563: return proper errno when time is invalid
- rv3029: many fixes, nvram support
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Merge tag 'rtc-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"The VL_READ and VL_CLR ioctls have been reworked to be more useful.
This will not break userspace as there are very few users and they are
using the integer value as a boolean.
Apart from that, two drivers were reworked and a few fixes here and
there for a net reduction of number of lines.
Summary:
Subsystem:
- the VL_READ and VL_CLR ioctls are now documented and their behavior
is unified across all the drivers.
- RTC_I2C_AND_SPI Kconfig option rework to avoid selecting both
REGMAP_I2C and REGMAP_SPI unecessarily.
Drivers:
- at91rm9200: remove deprecated procfs, add sam9x60, sama5d4 and
sama5d2 compatibles.
- cmos: solve lost interrupts issue on MS Surface 3
- hym8563: return proper errno when time is invalid
- rv3029: many fixes, nvram support"
* tag 'rtc-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (63 commits)
dt-bindings: rtc: at91rm9200: document clocks property
rtc: i2c/spi: Avoid inclusion of REGMAP support when not needed
rtc: Kconfig: select REGMAP_I2C when necessary
rtc: Kconfig: properly indent sd3078 entry
rtc: cmos: Refactor code by using the new dmi_get_bios_year() helper
rtc: cmos: Use predefined value for RTC IRQ on legacy x86
rtc: cmos: Stop using shared IRQ
rtc: tps6586x: Use IRQ_NOAUTOEN flag
rtc: at91rm9200: use FIELD_PREP/FIELD_GET
rtc: at91rm9200: avoid time readout in at91_rtc_setalarm
rtc: at91rm9200: move register definitions to C file
rtc: at91rm9200: add sama5d4 and sama5d2 compatibles
dt-bindings: rtc: at91rm9200: convert bindings to json-schema
rtc: at91rm9200: remove procfs information
dt-bindings: atmel, at91rm9200-rtc: add microchip, sam9x60-rtc
rtc: pcf8563: Use BIT
rtc: moxart: Convert to SPDX identifier
rtc: ds1343: Remove unused struct spi_device in struct ds1343_priv
rtc: rx8025: Remove struct i2c_client from struct rx8025_data
rtc: hym8563: Read the valid flag directly instead of caching it
...
Merely enabling I2C and RTC selects REGMAP_I2C and REGMAP_SPI, even when
no driver needs it. While the former can be moduler, the latter cannot,
and thus becomes built-in.
Fix this by moving the select statements for REGMAP_I2C and REGMAP_SPI
from the RTC_I2C_AND_SPI helper to the individual drivers that depend on
it.
Note that the comment for RTC_I2C_AND_SPI refers to SND_SOC_I2C_AND_SPI
for more information, but the latter does not select REGMAP_{I2C,SPI}
itself, and defers that to the individual drivers, too.
Fixes: 080481f54e ("rtc: merge ds3232 and ds3234")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: kbuild test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20200112171349.22268-1-geert@linux-m68k.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Linus Torvalds