kernel/drivers/rtc/rtc-bq32k.c, branch linux-4.16.y

rtc: bq32k: Add OF device ID table

2017-03-09T00:29:17Z

The driver doesn't have a struct of_device_id table but supported devices are registered via Device Trees. This is working on the assumption that a I2C device registered via OF will always match a legacy I2C device ID and that the MODALIAS reported will always be of the form i2c:. But this could change in the future so the correct approach is to have an OF device ID table if the devices are registered via OF. Signed-off-by: Javier Martinez Canillas Signed-off-by: Alexandre Belloni

rtc: bq32000: add support to enable disable the trickle charge FET bypass

2017-02-01T11:44:23Z

The bq32000 includes a trickle charge circuit to maintain the charge of the backup supply when a super capacitor is used. You can enable the charging circuit by setting 'trickle-resistor-ohms', additionally you can set TCFE to 1 to bypass the internal diode and boost the charge voltage of the backup supply. You might want to enable/disable the TCFE switch from userspace (e.g when device is only connected to a battery) This patch introduces a new sysfs entry to enable and disable this FET form userspace. Signed-off-by: Enric Balletbo i Serra Signed-off-by: Alexandre Belloni

rtc: bq32k: Fix handling of oscillator failure flag

2016-08-31T16:21:35Z

While the oscillator failure flag is set, the RTC registers should be considered invalid. bq32k_rtc_read_time() now returns an error instead of an invalid time. The failure flag is cleared the next time the clock is set. Signed-off-by: Jan Östlund Signed-off-by: Daniel Romell Signed-off-by: Alexandre Belloni

rtc: bq32k: Use correct mask name for 'minutes' register.

2016-08-31T16:21:35Z

The BQ32K_SECONDS_MASK and BQ32K_MINUTES_MASK both has the same value. This is no functional change. Signed-off-by: Jan Östlund Signed-off-by: Daniel Romell Signed-off-by: Alexandre Belloni

rtc: Drop owner assignment from i2c_driver

2015-09-05T11:19:06Z

i2c_driver does not need to set an owner because i2c_register_driver() will set it. Signed-off-by: Krzysztof Kozlowski Signed-off-by: Alexandre Belloni

rtc: bq32k: remove redundant check

2015-09-05T11:19:05Z

removing below static analysis error: (error) Possible null pointer dereference: client if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) ^^^^^^^ Error comes because client is dereferenced before NULL check. So probably NULL this check is not required. Signed-off-by: Maninder Singh Signed-off-by: Alexandre Belloni

drivers/rtc/rtc-bq32k.c: fix register value

2014-10-29T23:33:14Z

Fix register value in bq32000 trickle charging. Mike reported that I'm using wrong value in one trickle-charging case, and after checking docs, I must admit he's right. Signed-off-by: Pavel Machek Reported-by: Mike Bremford Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

rtc: bq32000: add trickle charger option, with device tree binding

2014-10-14T00:18:18Z

BQ32000 devices have "trickle chargers". Introduce a code to enable the charger, based on device tree. Without charger, RTC does not keep time after power off. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Pavel Machek Cc: Jason Cooper Cc: Matti Vaittinen Cc: Rob Herring Cc: Ian Campbell Cc: Alessandro Zummo Cc: Guenter Roeck Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

drivers/rtc/rtc-bq32k.c: remove empty function

2013-07-03T23:07:55Z

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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

rtc: rtc-bq32k: use devm_rtc_device_register()

2013-04-30T01:28:29Z

devm_rtc_device_register() is device managed and makes cleanup paths simpler. Signed-off-by: Jingoo Han Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds