Messages in this thread | | | Date | Tue, 1 Dec 2015 16:46:24 -0800 | From | Tony Lindgren <> | Subject | Re: [PATCH 10/10] ARM: dts: Fix dm814x pinctrl address and mask |
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* Matthijs van Duin <matthijsvanduin@gmail.com> [151201 16:26]: > On 2 December 2015 at 00:38, Tony Lindgren <tony@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
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