kernel/drivers/rtc/rtc-pcf85363.c, branch linux-5.1.y

rtc: pcf85363: Add support for NXP pcf85263 rtc

2018-12-10T23:48:17Z

Add support for NXP pcf85263 real-time clock. pcf85263 rtc is compatible with pcf85363,except that pcf85363 has additional 64 bytes of RAM. 1 byte of nvmem is supported and exposed in sysfs (# is the instance number,starting with 0): /sys/bus/nvmem/devices/pcf85x63-#/nvmem Signed-off-by: Biju Das Signed-off-by: Alexandre Belloni

rtc: pcf85363: set time accurately

2018-03-17T13:20:49Z

As per 8.2.6 Setting and reading the time in RTC mode, first stop the clok, then reset it before setting the date and time registers. Finally, start the clock. This uses register address wrap around from 0x2f to 0x00 for efficiency. This allows to set the clock with a millisecond accuracy (drift is not corrected in this example): RTC System 1325388767 1325388767.000029180 1325388768 1325388768.000018362 1325388769 1325388769.000006544 1325388770 1325388769.999992725 1325388771 1325388770.999974544 Signed-off-by: Alexandre Belloni

rtc: pcf85363: add alarm support

2018-03-17T13:20:49Z

Handle alarms, currently only on INTA Signed-off-by: Alexandre Belloni

rtc: pcf85363: add .max_register in regmap_config

2018-03-17T13:20:48Z

This helps debugging as it allows reading registers from debugfs. Signed-off-by: Alexandre Belloni

rtc: pcf85363: put struct nvmem_config on the stack

2018-03-01T09:49:21Z

Avoid allocating memory for struct nvmem_config. Signed-off-by: Alexandre Belloni

rtc: pcf85363: call rtc_nvmem_register()

2018-03-01T09:49:20Z

Call rtc_nvmem_register instead of letting the core do it and stop using the nvmem_config member of struct rtc_device. Signed-off-by: Alexandre Belloni

rtc: add support for NXP PCF85363 real-time clock

2017-11-08T06:52:22Z

Note that alarms are not currently implemented. 64 bytes of nvmem is supported and exposed in sysfs (# is the instance number, starting with 0): /sys/bus/nvmem/devices/pcf85363-#/nvmem Signed-off-by: Eric Nelson Reviewed-by: Fabio Estevam Tested-by: Alexandre Belloni Acked-by: Rob Herring Signed-off-by: Alexandre Belloni