On 3 August 2015 at 08:19, Simon Glass <s...@chromium.org> wrote: > The Chrome OS EC supports tunnelling through to an I2C bus on the EC. This > currently uses a copy of the I2C command code and a special 'crosec' > sub-command. > > With driver model we can define an I2C bus which tunnels through to the EC, > and use the normal 'i2c' command to access it. This simplifies the code and > removes some duplication. > > Add an I2C driver which tunnels through to the EC. Adjust the EC code to > support binding child devices so that it can be set up. Adjust the existing > I2C xfer function to fit driver model better. > > For now the old code remains to allow things to still work. It will be > removed in a later patch once the new flow is fully enabled. > > Signed-off-by: Simon Glass <s...@chromium.org> > --- > > Changes in v2: None > > configs/peach-pi_defconfig | 2 + > configs/peach-pit_defconfig | 2 + > drivers/i2c/Kconfig | 11 +++++ > drivers/i2c/Makefile | 1 + > drivers/i2c/cros_ec_tunnel.c | 41 +++++++++++++++ > drivers/misc/cros_ec.c | 93 > +++++++++++++++++++++++++++++++++-- > drivers/power/pmic/pmic_tps65090_ec.c | 8 +-- > include/cros_ec.h | 14 +++++- > 8 files changed, 161 insertions(+), 11 deletions(-) > create mode 100644 drivers/i2c/cros_ec_tunnel.c
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