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15 Commits

Author SHA1 Message Date
Michael Büsch
a696b31e2f rtc: rv3029: Add thermometer hwmon support 
This adds support to
- enable/disable the thermometer
- set the temperature scanning interval
- read the current temperature that is used for temp compensation.
via hwmon interface

Signed-off-by: Michael Buesch <m@bues.ch>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
 2016-03-14 17:08:40 +01:00
Michael Büsch
39387dc2cf rtc: rv3029: Add update_bits helper for eeprom access 
This simplifies the update of single bits in the eeprom.

Signed-off-by: Michael Buesch <m@bues.ch>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
 2016-03-14 17:08:39 +01:00
Michael Büsch
e27e21603e rtc: rv3029: Add device tree property for trickle charger 
The trickle charger resistor can be enabled via device tree
property trickle-resistor-ohms.

Signed-off-by: Michael Buesch <m@bues.ch>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
 2016-03-14 17:08:34 +01:00
Michael Büsch
a7f6e28741 rtc: rv3029: Add functions for EEPROM access 
This adds functions for access to the EEPROM memory on the rv3029.

Signed-off-by: Michael Buesch <m@bues.ch>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
 2016-03-14 17:08:34 +01:00
Michael Büsch
2dca3d9e14 rtc: rv3029: Add i2c register update-bits helper 
This simplifies mask/set operations on device I2C registers.

Signed-off-by: Michael Buesch <m@bues.ch>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
 2016-03-14 17:08:33 +01:00
Michael Büsch
7697de35fa rtc: rv3029: Add missing register definitions 
This adds all (according to the data sheet) missing register and bit
definitions.
It also fixes the definition of the trickle charger bit masks.

Signed-off-by: Michael Buesch <m@bues.ch>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
 2016-03-14 17:08:33 +01:00
Michael Büsch
baba623f12 rtc: rv3029: Add "rv3029" I2C device id 
The C2 suffix does not appear in the latest datasheet, so add
a device ID without it.

Signed-off-by: Michael Buesch <m@bues.ch>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
 2016-03-14 17:08:32 +01:00
Michael Büsch
aba39d27bd rtc: rv3029: Remove all 'C2' suffixes from identifiers 
The C2 suffix does not appear anymore in the latest device and
data sheet versions.

Signed-off-by: Michael Buesch <m@bues.ch>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
 2016-03-14 17:08:32 +01:00
Gregory Hermant
67ab2440b4 drivers/rtc/rtc-rv3029c2.c: fix potential race condition 
RTC drivers must not return an error after device registration.

Signed-off-by: Gregory Hermant <gregory.hermant@calao-systems.com>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-04-03 16:21:24 -07:00
Sachin Kamat
832ccd3fad drivers/rtc/rtc-rv3029c2.c: remove empty function 
After the switch to devm_* functions and the removal of
rtc_device_unregister(), the 'remove' function does not do anything.
Delete it.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Gregory Hermant <gregory.hermant@calao-systems.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2013-07-03 16:07:58 -07:00
Axel Lin
29ecd78c0f drivers/rtc/rtc-rv3029c2.c: fix disabling AIE irq 
In the disable AIE irq code path, current code passes "1" to enable
parameter of rv3029c2_rtc_i2c_alarm_set_irq().  Thus it does not disable
AIE irq.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Heiko Schocher <hs@denx.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2013-07-03 16:07:52 -07:00
Jingoo Han
3d7068c9d5 rtc: rtc-rv3029c2: use devm_rtc_device_register() 
devm_rtc_device_register() is device managed and makes cleanup paths
simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2013-04-29 18:28:31 -07:00
Greg Kroah-Hartman
5a167f4543 Drivers: rtc: remove __dev* attributes. 
CONFIG_HOTPLUG is going away as an option.  As a result, the __dev*
markings need to be removed.

This change removes the use of __devinit, __devexit_p, __devinitdata,
__devinitconst, and __devexit from these drivers.

Based on patches originally written by Bill Pemberton, but redone by me
in order to handle some of the coding style issues better, by hand.

Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Mike Frysinger <vapier.adi@gmail.com>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2013-01-03 15:57:02 -08:00
Axel Lin
0abc920116 rtc: convert rtc i2c drivers to module_i2c_driver 
Factor out some boilerplate code for i2c driver registration into
module_i2c_driver.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Piotr Ziecik <kosmo@semihalf.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
Cc: Mike Rapoport <mike@compulab.co.il>
Cc: Sergey Lapin <slapin@ossfans.org>
Cc: Roman Fietze <roman.fietze@telemotive.de>
Cc: Herbert Valerio Riedel <hvr@gnu.org>
Cc: Alexander Bigga <ab@mycable.de>
Cc: Dale Farnsworth <dale@farnsworth.org>
Cc: Gregory Hermant <gregory.hermant@calao-systems.com>
Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: Martyn Welch <martyn.welch@ge.com>
Cc: Byron Bradley <byron.bbradley@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2012-03-23 16:58:39 -07:00
Heiko Schocher
52365230ee rtc: add rv3029c2 RTC support 
Add support for the Micro Crystal RV3029-C2 RTC chips.

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Gregory Hermant <gregory.hermant@calao-systems.com>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-05-26 17:12:33 -07:00