Hello Masahiro, Am 19.12.2014 19:34, schrieb Masahiro Yamada:
Master send to / receive from 10-bit addressed slave devices can be supported by software layer without any hardware change because the LSB 8bit of the slave address is treated as data part.Master Send to a 10bit-addressed slave chip is performed like this: DIR Format M->S 11110 + address[9:8] + R/W(0) M->S address[7:0] M->S data0 M->S data1 ... Master Receive from a 10bit-addressed slave chip is like this: DIR Format M->S 11110 + address[9:8] + R/W(0) M->S address[7:0] (Restart) M->S 111110 + address[9:8] + R/W(1) S->M data0 S->M data1 ... Signed-off-by: Masahiro Yamada <yamad...@jp.panasonic.com> Cc: Heiko Schocher <h...@denx.de> Cc: Simon Glass <s...@chromium.org> --- drivers/i2c/i2c-uclass.c | 80 +++++++++++++++++++++++++++++++----------------- include/i2c.h | 4 +++ 2 files changed, 56 insertions(+), 28 deletions(-)
Acked-by: Heiko Schocher <h...@denx.de> bye, Heiko -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
