PCAP RTC

modulename: rtc-pcap.ko

configname: CONFIG_RTC_DRV_PCAP

Linux Kernel Configuration
└─>Device Drivers
└─>Real Time Clock
└─>PCAP RTC
In linux kernel since version 2.6.32 (release Date: 2009-12-02)  
If you say Y here you will get support for the RTC found on
the PCAP2 ASIC used on some Motorola phones.

source code: