Where linux kernel real-time clock chip pt7c4338 4.9 version of the driver source code

Original link: http://www.cnblogs.com/dakewei/p/10245129.html

A: drivers / rtc / rtc-ds1307.c, kernel configuration items to CONFIG_RTC_DRV_DS1307

Location:

　　-> Device Drivers

　　　　-> Real Time Clock

Reproduced in: https: //www.cnblogs.com/dakewei/p/10245129.html