From: gianluca <gianlucarenzi@eurekelettronica.it>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: Using LVDS in a iMX6Q/D from Barebox
Date: Thu, 16 Feb 2017 10:07:49 +0100 [thread overview]
Message-ID: <3fbfb5fd-6334-9866-edf7-16dabc124a46@eurekelettronica.it> (raw)
In-Reply-To: <20170216072801.sh3byseyh3f6osgg@pengutronix.de>
On 02/16/2017 08:28 AM, Sascha Hauer wrote:
> On Wed, Feb 15, 2017 at 03:34:55PM +0100, gianluca wrote:
>> First of all hdmi and ldb node are "disabled" by default.
>>
>> Then I am looking for any eeprom in the lvds connector I have.
>> If it is found, check the phandle "native-mode" of the display-timings node
>> to match the value found in eeprom. If not matches the native-mode, it
>>
>> If no eeprom is found activate the status of the hdmi node from "disabled"
>> to "okay". So with the same algorithm as above,
>>
>> Those operations will be done in the coredevice_initcall() level. Is this
>> correct?
>
> Sounds like a plan. I'm not sure though if you find your EEPROM at
> coredevice_initcall time.
>
Now I will check. In the worst case I will do a first-gpio-based (no
device-tree based) i2c bus access, then when the i2c driver will get
probed, I will do any other operation.
I will keep you informed.
Regards,
--
Eurek s.r.l. |
Electronic Engineering | http://www.eurek.it
via Celletta 8/B, 40026 Imola, Italy | Phone: +39-(0)542-609120
p.iva 00690621206 - c.f. 04020030377 | Fax: +39-(0)542-609212
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next prev parent reply other threads:[~2017-02-16 9:08 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-09 14:37 gianluca
2017-02-10 7:35 ` Sascha Hauer
2017-02-14 10:32 ` gianluca
2017-02-14 10:59 ` gianluca
2017-02-15 10:07 ` gianluca
2017-02-15 11:51 ` Sascha Hauer
2017-02-15 14:34 ` gianluca
2017-02-16 7:28 ` Sascha Hauer
2017-02-16 9:07 ` gianluca [this message]
2017-02-16 14:43 ` gianluca
2017-02-16 15:50 ` Lucas Stach
2017-02-17 15:38 ` gianluca
2017-02-22 8:00 ` Sascha Hauer
2017-02-22 8:26 ` gianluca
2017-02-22 9:05 ` gianluca
2017-02-22 9:40 ` Sascha Hauer
2017-02-23 12:10 ` gianluca
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