[RFC 0/2] add multiplexed I2C bus support

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This patchseries adds multiplexed I2C bus support to barebox
and a driver for pca954x bus multiplexer.

This series has the "RFC" status mostly because of these
adapter numbering hack in drivers/i2c/i2c-mux.c:

    /* FIXME */
//  priv->adap.nr = mux_dev->id;
    priv->adap.nr = -1;
    ret = i2c_add_numbered_adapter(&priv->adap);


Antony Pavlov (2):
  i2c: import multiplexed I2C bus core support from linux kernel
  i2c: add pca954x bus multiplexer driver

 drivers/i2c/Kconfig         |   9 ++
 drivers/i2c/Makefile        |   3 +-
 drivers/i2c/i2c-mux.c       | 118 ++++++++++++++++++++
 drivers/i2c/muxes/Kconfig   |  15 +++
 drivers/i2c/muxes/Makefile  |   4 +
 drivers/i2c/muxes/pca954x.c | 254 ++++++++++++++++++++++++++++++++++++++++++++
 include/i2c/i2c-mux.h       |  40 +++++++
 include/i2c/i2c.h           |  19 +++-
 8 files changed, 460 insertions(+), 2 deletions(-)
 create mode 100644 drivers/i2c/i2c-mux.c
 create mode 100644 drivers/i2c/muxes/Kconfig
 create mode 100644 drivers/i2c/muxes/Makefile
 create mode 100644 drivers/i2c/muxes/pca954x.c
 create mode 100644 include/i2c/i2c-mux.h

-- 
2.6.2


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