[U-Boot-Users] pcf8563 RTC access; undefined CFG_I2C_RTC_ADDR

[Liu Dave-r63238]

> I configured pcf8563 RTC, I2C, date, and the I2C command for 
> a PPC board.  When I compiled U-Boot, CFG_I2C_RTC_ADDR used 
> by pcf8563.c was undefined.
> What is the recommended way of determining the correct value 
> of CFG_I2C_RTC_ADDR for pcf8563.c and a PPC board?  I simply 
> want to be able to set and read my RTC using U-Boot. 

For the PCF8563, the CFG_I2C_RTC_ADDR should be 0x51.
Please refer to the datasheet. 
 
U-boot have supported the device-PCF8563.

> (I searched for an answer via google and I also searched the 
> u-boot-users mailing list archive, but I was unable to find a 
> answer.  Sorry.)