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Date: Thu, 28 Nov 2019 15:52:57 +0200
From: Nick Kostirya <nikolay.kostirya@i11.co>
To: Milan Obuch <freebsd-arm@dino.sk>
Cc: freebsd-arm@freebsd.org
Subject: Re: gpioiic FDT overlays for sun8i-h3
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On Thu, 28 Nov 2019 14:49:34 +0100
Milan Obuch <freebsd-arm@dino.sk> wrote:

> On Thu, 28 Nov 2019 15:29:01 +0200
> Nick Kostirya via freebsd-arm <freebsd-arm@freebsd.org> wrote:
> 
> > Hello.
> > I want use gpioiic on Nanopi NEO with PA0 and PA2 pins.
> > Nanopi NEO will be master.
> > Help me, please, to write overlay.
> > I write:
> > 
> > /dts-v1/;
> > /plugin/;
> > 
> > / {
> >     compatible = "allwinner,sun8i-h3";
> > };
> > 
> > &{/soc/} {
> >     gpio: gpio {
> >         gpio-controller;
> > 
> >         gpioiic0 {
> >             compatible    = "gpioiic";
> >             gpios = <&gpio 00 1 0 &gpio 02 1 0>; /* Attach to GPIO
> > pins 00 and 02. Set them initially as inputs. */ scl = <0>; /*
> > GPIO pin 00 (PA0) */ sda = <1>; /*    GPIO pin 02 (PA2) */
> > 
> >         };
> >     };
> > };
> > 
> > But it is not worked.
> > Tell me, please, where I was wrong.
> >  
> 
> Quick question - which OS version? According to my experience, DTB
> overlays do not work in FreeBSD 12, but everything is OK with them in
> FreeBSD 13.

FreeBSD 12.1 arm