[U-Boot] [PATCH 1/4] gpio: Adds GPIO driver support for Armada100

[Prafulla Wadaskar]

> -----Original Message-----
> From: Ajay Bhargav [mailto:ajay.bhargav at einfochips.com]
> Sent: Tuesday, July 19, 2011 3:59 PM
> To: Prafulla Wadaskar
> Cc: u-boot at lists.denx.de; Ashish Karkare; Prabhanjan Sarnaik
> Subject: Re: [PATCH 1/4] gpio: Adds GPIO driver support for Armada100
> 
> Hi Prafulla,
> 
> > I checked datasheet and for most GPIOs, AF1 is given as GPIO but for
> few
> > its not, so adding a glue logic to check for specific GPIOs wont be a
> good idea.
> > That's the reason i thought its good to keep MFP out of this. Please
> give suggestions.
> 
> correcting my previous message, I meant AF0.
> adding to this.. I checked Linux kernel source and they are simply
> validating if gpio number
> is within max limits so request returns 0.
> 
> And you told me to use MAX_MFP instead of using ARMD_MAX_GPIO, but
> MAX_MFP is defined lesser
> than the actual number of GPIO e.g. in case of armada100 MAX_MFP is
> defined 117 whereas max
> GPIOs are around 123.

I will check and let you know.

Regards..
Prafulla . .