Using LVDS in a iMX6Q/D from Barebox

gianluca gianlucarenzi at
Thu Feb 16 01:07:49 PST 2017

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.

Eurek s.r.l.                          |
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