[PATCH 10/10] ARM: dts: Fix dm814x pinctrl address and mask

Tony Lindgren tony at atomide.com
Tue Dec 1 16:46:24 PST 2015


* Matthijs van Duin <matthijsvanduin at gmail.com> [151201 16:26]:
> On 2 December 2015 at 00:38, Tony Lindgren <tony at atomide.com> wrote:
> > -                                       pinctrl-single,function-mask = <0x300ff>;
> > +                                       pinctrl-single,function-mask = <0x707ff>;
> 
> Reminder that silicon revision 2.1 and older require input enabled
> (bit 18 set) for all 3.3V I/Os to avoid cumulative hardware damage.
> (Errata advisory 2.1.87)

Ouch. We should probably have separate PIN_INPUT_3V3 and PIN_OUTPUT_3V3
dts macros that ensure that?

Regards,

Tony



More information about the linux-arm-kernel mailing list