[PATCH 2/6] ARM: OMAP4 PM: Add IO Daisychain support

[Shilimkar, Santosh]

On Fri, Feb 24, 2012 at 12:29 PM, Rajendra Nayak <rnayak at ti.com> wrote:
> On Thursday 23 February 2012 07:18 PM, Shilimkar, Santosh wrote:
>>
>> On Thu, Feb 23, 2012 at 6:51 PM, Tero Kristo<t-kristo at ti.com>  wrote:
>
> [..]
>
>>>
>>> +/**
>>> + * Maximum time(us) it takes to output the signal WUCLKOUT of the last
>>> pad of
>>> + * the I/O ring after asserting WUCLKIN high
>>> + */
>>> +#define MAX_IOPAD_LATCH_TIME 1000
>>> +
>>
>> Is the 1000 us/ms ?
>
>
> 1000 us.
>
>
>> Is that documented or arbitrary chosen ?
>
>
> looks like it was arbitrarily chosen as there's no documentation
> on the worst case delay. I spoke to Nilesh (copied) and he suggested
> using a value close to 100us instead which should be quite safe.
> 1000us according to him is really very high.
> however there does not seem to be any documented value available for
> this in any of the specs.
>
Thanks for clarification Rajendra.

Regards
Santosh