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I2c #28

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wants to merge 3 commits into from
Closed

I2c #28

wants to merge 3 commits into from

Commits on May 22, 2012

  1. i2c: bcm2708: initial driver 

    I2C driver for the BCM2708 series, as used on the Raspberry Pi.

This driver supports 7-bit addressing, but not 10-bit. The HW supports
10-bit.

This driver does not support repeated starts. It's not clear from the
data sheet how to create repeated starts.

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
    @swarren
    swarren committed May 22, 2012
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  2. HACK: ARM: bcm2708: mux I2C0 onto GPIO0/1 

    Set up the GPIO/pinmux so that I2C0 is mux'd onto GPIOs 0/1, so that
the controller can actually communicate with the outside world.

Ideally, this would be set up using pinctrl, but that doesn't exist
in this old kernel.

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
    @swarren
    swarren committed May 22, 2012
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  3. ARM: bcm2708: instantiate I2C0 device 

    The BCM2708 has 3 I2C adapters. This change instantiates the first of
these, which is attached to the expansion header on the Raspberry Pi.

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
    @swarren
    swarren committed May 22, 2012
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