loos e4ebeceadb MFC r267021:
FreeBSD, historically, has always used 8-bit addresses for i2c devices
  (7-bit device address << 1), always leaving the room for the read/write
  bit.

  This commit convert ti_i2c and revert r259127 on bcm2835_bsc to make them
  compatible with 8-bit addresses.  Previous to this commit an i2c device
  would have different addresses depending on the controller it was attached
  to (by example, when compared to any iicbb(4) based i2c controller), which
  was a pretty annoying behavior.

  Also, update the PMIC i2c address on beaglebone* DTS files to match the
  new address scheme.

  Now the userland utilities need to do the correct slave address shifting
  (but it is going to work with any i2c controller on the system).

  Discussed with:	ian

MFC r267834:

  Clarify the expected usage of I2C 7-bit slave addresses on ioctl(2)
  interface.

  While here add the cross reference to iic(4) on iicbus(4).

  CR:		D210
  Suggested by:	jmg
2014-08-20 19:37:05 +00:00
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