lkml.org 
[lkml]   [2014]   [Jul]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] pinctrl: dra: dt-bindings: Fix pull enable/disable
On Tue, Jul 22, 2014 at 10:39:54AM -0500, Nishanth Menon wrote:
> The DRA74/72 control module pins have a weak pull up and pull down.
> This is configured by bit offset 17. if BIT(17) is 1, a pull up is
> selected, else a pull down is selected.
>
> However, this pull resisstor is applied based on BIT(16) -
> PULLUDENABLE - if BIT(18) is *0*, then pull as defined in BIT(17) is
> applied, else no weak pulls are applied. We defined this in reverse.
>
> Reference: Table 18-5 (Description of the pad configuration register
> bits) in Technical Reference Manual Revision (DRA74x revision Q:
> SPRUHI2Q Revised June 2014 and DRA72x revision F: SPRUHP2F - Revised
> June 2014)
>
> Fixes: 6e58b8f1daaf1a ("ARM: dts: DRA7: Add the dts files for dra7 SoC and dra7-evm board")
> Signed-off-by: Nishanth Menon <nm@ti.com>
> ---

Tested on an upcoming board.

Tested-by: Felipe Balbi <balbi@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>


--
balbi
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2014-07-22 19:21    [W:0.068 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site