Trying to change over from BeagleBone White to Black. Like many others, I 
am having problems with DT overlays. No matter what I do, I cannot get the 
pinmux configuration to change. 

I am running with RCN's kernel rev 3.8.13-bone66 and Ubuntu 14.04.

Test overlay file I am applying can be found here: 
http://pastebin.com/iLfGun6r

DTC command used: dtc -O dtb -o BB-TESTCAPE2-00A0.dtbo -b 0 -@ 
tst_cape2.dts 

I scp'd the compiled overlay to the Beagle and copied into the 
/lib/firmware directory. I then ran the following on the Beagle: sudo sh -c 
"echo BB-TESTCAPE2 > /sys/devices/bone_capemgr.9/slots"

Dmesg output: 

[155948.247919] bone-capemgr bone_capemgr.9: part_number 'BB-TESTCAPE2', 
version 'N/A'
[155948.248099] bone-capemgr bone_capemgr.9: slot #8: generic override
[155948.248145] bone-capemgr bone_capemgr.9: bone: Using override eeprom data 
at slot 8
[155948.248192] bone-capemgr bone_capemgr.9: slot #8: 'Override Board 
Name,00A0,Override Manuf,BB-TESTCAPE2'
[155948.249863] bone-capemgr bone_capemgr.9: slot #8: Requesting part 
number/version based 'BB-TESTCAPE2-00A0.dtbo
[155948.249920] bone-capemgr bone_capemgr.9: slot #8: Requesting firmware 
'BB-TESTCAPE2-00A0.dtbo' for board-name 'Override Board Name', version '00A0'
[155948.249999] bone-capemgr bone_capemgr.9: slot #8: dtbo 
'BB-TESTCAPE2-00A0.dtbo' loaded; converting to live tree
[155948.250453] bone-capemgr bone_capemgr.9: slot #8: #1 overlays
[155948.252634] bone-capemgr bone_capemgr.9: slot #8: Applied #1 overlays.


Slots configuration as follows:

cat $SLOTS
 0: 54:PF--- 
 1: 55:PF--- 
 2: 56:PF--- 
 3: 57:PF--- 
 4: ff:P-O-- Bone-LT-eMMC-2G,00A0,Texas Instrument,BB-BONE-EMMC-2G
 5: ff:P-O-- Bone-Black-HDMI,00A0,Texas Instrument,BB-BONELT-HDMI
 6: ff:P-O-- Bone-Black-HDMIN,00A0,Texas Instrument,BB-BONELT-HDMIN
 8: ff:P-O-L Override Board Name,00A0,Override Manuf,BB-TESTCAPE2


Output of the pinmux configuration can be found here: 
http://pastebin.com/wjrRQURx

Notice the lack of change in pinmux settings for the pins I attempted to 
reconfigure.

If anyone can help, I would be most grateful.

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