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Date:      Sat, 1 May 2021 14:34:46 +0200
From:      Emmanuel Vadot <manu@bidouilliste.com>
To:        Mark Murray <markm@FreeBSD.org>
Cc:        Klaus =?ISO-8859-1?Q?K=FCchemann?= <maciphone2@googlemail.com>, freebsd-arm@freebsd.org
Subject:   Re: I2C/IIC working on RPI4 8GB?
Message-ID:  <20210501143446.7e171a18e01d425b1f741b90@bidouilliste.com>
In-Reply-To: <501CB1C0-73D4-4BEF-A1E6-1F13C02EFA42@FreeBSD.org>
References:  <1C2DD11C-B1F6-4C2A-9AB0-5F1553520FF5@FreeBSD.org> <20210426161138.a8f44b6e1134f73a411be57d@bidouilliste.com> <CF4C4332-BB2F-47E9-B879-8EEA0E53E848@FreeBSD.org> <C4828BF2-E8B7-45D1-B0F8-5E72AF84D565@yahoo.com> <47A634E3-4938-4AFC-9341-E480CEBF67FB@FreeBSD.org> <20210428101945.67417ef8eba251dcbcb38078@bidouilliste.com> <ED9ABBBE-9B5A-4B51-806C-F91AABE39731@FreeBSD.org> <486E3EA3-EBAE-492E-B12E-E72E3E3E7B6A@FreeBSD.org> <A10EA46D-6FE5-4FCD-895C-5A08A974D6DB@yahoo.com> <E9098242-5ED4-401B-9D46-E11A214A0E2F@FreeBSD.org> <F38325DB-DC0E-44F8-A256-A5D6A23925D0@googlemail.com> <501CB1C0-73D4-4BEF-A1E6-1F13C02EFA42@FreeBSD.org>

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On Sat, 1 May 2021 12:48:07 +0100
Mark Murray <markm@FreeBSD.org> wrote:

> On 30 Apr 2021, at 15:22, Klaus K=FCchemann <maciphone2@googlemail.com> w=
rote:
> >=20
> >=20
> > yet another useful document(at least that's what I hope to fix your use=
case) :
> >=20
> > https://www.raspberrypi.org/documentation/configuration/config-txt/gpio=
.md
>=20
> BINGO!!
>=20
> I added
>=20
> gpio=3D2,3=3Da0
>=20
> to my config.txt file and after a reboot,
>=20
> # i2c -f /dev/iic0 -s worked!
>=20
>=20
> Thank you!
>=20
> M
> --
> Mark R V Murray
>=20

 This shouldn't be needed at all.
 If we need to rely on the firmware to make basic pinctrl stuff working
it just means that the pinctrl driver isn't complete for RPI4.

--=20
Emmanuel Vadot <manu@bidouilliste.com> <manu@FreeBSD.org>



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