Re: [PATCHv5] staging/iio/adc: change the MXS touchscreen driver implementation

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi,

Jürgen Beisert writes:
> The i.MX28 manual says the LRADC delay unit is driven by a 2 kHz clock, but 
> does not say what kind of clock it is (or is derived from). I guess now, this 
> clock isn't enabled and thus the delay unit can't work. At least on the 
> MX28EVK. On your TX28 platform the clock seems enabled and the delay unit can 
> do its job and drive the state machine.
>
The i.MX28 Ref Manual states in chapter 38.5.14 LRADC Scheduling Delay:
| This counter operates on a 2KHz clock derived from crystal clock.
Thus the clock should always be enabled.


Lothar Waßmann
-- 
___________________________________________________________

Ka-Ro electronics GmbH | Pascalstraße 22 | D - 52076 Aachen
Phone: +49 2408 1402-0 | Fax: +49 2408 1402-10
Geschäftsführer: Matthias Kaussen
Handelsregistereintrag: Amtsgericht Aachen, HRB 4996

www.karo-electronics.de | info@xxxxxxxxxxxxxxxxxxx
___________________________________________________________
--
To unsubscribe from this list: send the line "unsubscribe linux-iio" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Input]     [Linux Kernel]     [Linux SCSI]     [X.org]

  Powered by Linux