From: plagnioj@jcrosoft•com (Jean-Christophe PLAGNIOL-VILLARD)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 2/5 v3] ARM: at91: sam9g20 add i2c DT support
Date: Tue, 13 Mar 2012 08:08:13 +0100 [thread overview]
Message-ID: <20120313070813.GD18320@game.jcrosoft.org> (raw)
In-Reply-To: <4F5A0CB5.2020203@gmail.com>
On 07:59 Fri 09 Mar , Rob Herring wrote:
> On 03/09/2012 03:53 AM, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > On 11:08 Thu 08 Mar , Rob Herring wrote:
> >> On 03/08/2012 02:50 AM, Jean-Christophe PLAGNIOL-VILLARD wrote:
> >>> For now on use i2c-gpio driver on the same pin as the hardware IP.
> >>>
> >>> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft•com>
> >>> Cc: Nicolas Ferre <nicolas.ferre@atmel•com>
> >>> Cc: devicetree-discuss at lists.ozlabs.org
> >>> ---
> >>> v3:
> >>>
> >>> update i2c binding (Rob comments)
> >>>
> >>> Best Regards,
> >>> J.
> >>> arch/arm/boot/dts/at91sam9g20.dtsi | 13 +++++++++++++
> >>> 1 files changed, 13 insertions(+), 0 deletions(-)
> >>>
> >>> diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi
> >>> index 4b0dc99..072b2da 100644
> >>> --- a/arch/arm/boot/dts/at91sam9g20.dtsi
> >>> +++ b/arch/arm/boot/dts/at91sam9g20.dtsi
> >>> @@ -189,4 +189,17 @@
> >>> status = "disabled";
> >>> };
> >>> };
> >>> +> > + i2c-gpio at 0 {
> >>
> >> You updated the example, but not all the actual uses to i2c at 0.
> > on purpose as on some soc we will have HW and soft binding
> >
> > on the board you put the alias
> >
>
> I'm not sure I follow.
>
> If you use the h/w block, then you would have i2c@<addr> while for gpio
> it's basically an index.
>
> Also, I don't think you need an alias for i2c. You should not care about
> bus numbering as devices should be sub nodes.
forget about it tired when I reply
Best Regards,
J.
next prev parent reply other threads:[~2012-03-13 7:08 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-08 8:50 [PATCH 1/5 v3] i2c/gpio: add DT support Jean-Christophe PLAGNIOL-VILLARD
2012-03-08 8:50 ` [PATCH 2/5 v3] ARM: at91: sam9g20 add i2c " Jean-Christophe PLAGNIOL-VILLARD
2012-03-08 17:08 ` Rob Herring
2012-03-09 9:53 ` Jean-Christophe PLAGNIOL-VILLARD
2012-03-09 13:59 ` Rob Herring
2012-03-13 7:08 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2012-03-09 5:26 ` Grant Likely
2012-03-09 9:55 ` Jean-Christophe PLAGNIOL-VILLARD
2012-03-08 8:50 ` [PATCH 3/5 v3] ARM: at91: usb_a9g20 add DT i2c support Jean-Christophe PLAGNIOL-VILLARD
2012-03-08 8:50 ` [PATCH 4/5 v3] ARM: at91: sam9g45 add i2c DT support Jean-Christophe PLAGNIOL-VILLARD
2012-03-08 8:50 ` [PATCH 5/5 v3] ARM: at91: sam9x5 " Jean-Christophe PLAGNIOL-VILLARD
2012-03-08 17:12 ` Rob Herring
2012-03-08 17:52 ` Jean-Christophe PLAGNIOL-VILLARD
2012-03-08 20:36 ` Rob Herring
2012-03-08 10:52 ` [PATCH 1/5 v3] i2c/gpio: add " Karol Lewandowski
2012-03-08 16:53 ` Jean-Christophe PLAGNIOL-VILLARD
2012-03-08 17:16 ` Rob Herring
2012-03-13 7:07 ` Jean-Christophe PLAGNIOL-VILLARD
2012-03-13 7:37 ` Wolfram Sang
2012-03-13 9:11 ` Jean-Christophe PLAGNIOL-VILLARD
2012-03-13 10:22 ` Wolfram Sang
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