[PATCH v2 0/5] ARM: sun6i: Add support for the A31 I2C controller

Maxime Ripard maxime.ripard at free-electrons.com
Thu Feb 6 04:55:44 EST 2014

On Mon, Jan 27, 2014 at 04:03:12PM +0100, Maxime Ripard wrote:
> Hi Wolfram,
> On Mon, Jan 13, 2014 at 11:34:48AM +0100, Maxime Ripard wrote:
> > Hi everyone,
> > 
> > This patchset adds support the A31 i2c controller. This is mostly the
> > same controller as the one found in the other Allwinner SoCs, except
> > for the interrupts acking.
> > 
> > On the other SoCs using this driver, the interrupts are acked by
> > clearing the INT_FLAG bit in the control register, while on the A31,
> > the interrupt is acked by writing that bit into the control register.
> > 
> > The other difference is that the I2C IP is maintained in reset by a
> > reset controller, so we're adding optionnal support for the reset
> > framework in the driver to deassert the device from reset.
> Do you have any comments on this?


Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
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