linux-kernel - Re: [PATCH] arm: dts: omap4-sdp: Add I2c pinctrl data

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Date:	Wed, 30 Jan 2013 08:25:58 +0200
From:	Luciano Coelho <coelho@...com>
To:	Sourav Poddar <sourav.poddar@...com>
CC:	<b-cousson@...com>, <tony@...mide.com>,
	<linux-omap@...r.kernel.org>,
	<devicetree-discuss@...ts.ozlabs.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <balbi@...com>,
	<santosh.shilimkar@...com>
Subject: Re: [PATCH] arm: dts: omap4-sdp: Add I2c pinctrl data

Hi Sourav,

On Mon, 2013-01-28 at 16:47 +0530, Sourav Poddar wrote:
> Booting 3.8-rc4 om omap 4430sdp results in the following error
> 
> omap_i2c 48070000.i2c: did not get pins for i2c error: -19
> [    1.024261] omap_i2c 48070000.i2c: bus 0 rev0.12 at 100 kHz
> [    1.030181] omap_i2c 48072000.i2c: did not get pins for i2c error: -19
> [    1.037384] omap_i2c 48072000.i2c: bus 1 rev0.12 at 400 kHz
> [    1.043762] omap_i2c 48060000.i2c: did not get pins for i2c error: -19
> [    1.050964] omap_i2c 48060000.i2c: bus 2 rev0.12 at 100 kHz
> [    1.056823] omap_i2c 4807a000.i2c: did not get pins for i2c error: -19
> [    1.064025] omap_i2c 4807a000.i2c: bus 3 rev0.12 at 400 kHz
> 
> This happens because omap4 dts file is not adapted to use i2c through pinctrl
> framework. Populating i2c pinctrl data to get rid of the error.
> 
> Tested on omap4430 sdp with 3.8-rc4 kernel.
> 
> Signed-off-by: Sourav Poddar <sourav.poddar@...com>
> Reported-by: Santosh Shilimkar <santosh.shilimkar@...com>
> ---

Could you do the same thing for panda? I'm getting the same kind of
errors with it:

[    0.000000] Machine: Generic OMAP4 (Flattened Device Tree), model: TI OMAP4 PandaBoard               
[...]
[    2.884826] omap_i2c 48072000.i2c: did not get pins for i2c error: -19                               
[    2.890686] omap_i2c 48072000.i2c: bus 1 rev0.11 at 400 kHz                                          
[    2.892028] omap_i2c 48060000.i2c: did not get pins for i2c error: -19                               
[    2.899047] omap_i2c 48060000.i2c: bus 2 rev0.11 at 100 kHz                                          
[    2.906677] omap_i2c 48350000.i2c: did not get pins for i2c error: -19                               
[    2.912872] omap_i2c 48350000.i2c: bus 3 rev0.11 at 400 kHz                                          

--
Cheers,
Luca.

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