i2c: mv64xxx: Add support for the Allwinner A31 I2C driver
The Allwinner A31 I2C controller is almost identical to the one used in the other Allwinner SoCs, except for the fact that it needs to clear the interrupt by setting the INT_FLAGS bit in the control register, instead of clearing it. Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by: NGregory CLEMENT <gregory.clement@free-electrons.com> Tested-by: NGregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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