[PATCH] i2c: at91: add of_device_id entry for at91rm9200
Wolfram Sang
w.sang at pengutronix.de
Thu Jan 24 02:27:14 EST 2013
On Tue, Dec 18, 2012 at 07:02:32AM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 22:42 Wed 05 Dec , Joachim Eastwood wrote:
> > Signed-off-by: Joachim Eastwood <manabian at gmail.com>
> > ---
> > Hi,
> >
> > AT91RM9200 is gaining DT support now so let's add an id to the i2c driver.
> >
> > Tested on custom RM9200 board. Since the driver doesn't support pinctrl
> > muxing yet I had to add pinctrl hogs for the i2c pins in my dts for it
> > to work.
>
> IIRC the i2c IP have quite a lots of issue on rm9200 and until sam9g45
>
> it not recommended to use it instead use i2c-gpio
Ludovic, you know the driver best. Does it make sense to add this?
>
> Best Regards,
> J.
> >
> > regards
> > Joachim Eastwood
> >
> > drivers/i2c/busses/i2c-at91.c | 3 +++
> > 1 file changed, 3 insertions(+)
> >
> > diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
> > index b4575ee..c504aa8 100644
> > --- a/drivers/i2c/busses/i2c-at91.c
> > +++ b/drivers/i2c/busses/i2c-at91.c
> > @@ -584,6 +584,9 @@ static const struct platform_device_id at91_twi_devtypes[] = {
> > #if defined(CONFIG_OF)
> > static const struct of_device_id atmel_twi_dt_ids[] = {
> > {
> > + .compatible = "atmel,at91rm9200-i2c",
> > + .data = &at91rm9200_config,
> > + } , {
> > .compatible = "atmel,at91sam9260-i2c",
> > .data = &at91sam9260_config,
> > } , {
> > --
> > 1.8.0
> >
> --
> To unsubscribe from this list: send the line "unsubscribe linux-i2c" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
More information about the linux-arm-kernel
mailing list