[PATCH 2/2] ARM: dts: Fix WLAN regression on omap5-uevm

Robert Nelson robertcnelson at gmail.com
Fri Sep 18 09:40:49 PDT 2015


On Fri, Sep 18, 2015 at 11:29 AM, Tony Lindgren <tony at atomide.com> wrote:
> Commit 99f84cae43df ("ARM: dts: add wl12xx/wl18xx bindings") added
> device tree bindings for the TI WLAN SDIO on many omap variants.
>
> I recall wondering how come omap5-uevm did not have the WLAN
> added and this issue has been bugging me for a while now, and
> I finally tracked it down to a bad pinmux regression, and a missing
> deferred probe handling for the 32k clock from palmas that's
> requested by twl6040.
>
> Basically 392adaf796b9 ("ARM: dts: omap5-evm: Add mcspi data")
> added pin muxing for mcspi4 that conflicts with the onboard
> WLAN. While the omap5-uevm docs say the WLAN is not populated,
> this was probably only the case for initial prototypes. Both
> omap5-uevm boards I have have WLAN populated.

Production boards from svtronics don't populate the wlan..

http://www.svtronics.com/EVM/OMAP5432/5432

quote: "WiFi not available on this model"

They have an option to order a version with a "COM8Q" connector to add wlan...

http://www.svtronics.com/EVM/OMAP5432/5432C

http://www.svtronics.com/EVM/OMAP5432/COM8Q

I'm not sure who to bug from that era, but the wlan populated devices
might have been prototype only.

Regards,

-- 
Robert Nelson
https://rcn-ee.com/



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