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[ Upstream commit d7af722344e6dc52d87649100516515263e15c75 ]
AM3358 pin mcasp0_aclkr (ZCZ ball B13) [0] is routed to P1.31 header [1]
Mode 4 of this pin is mmc0_sdwp (SD Write Protect). A signal connected
to P1.31 may accidentally trigger mmc0 write protection. To avoid this
situation, do not put mcasp0_aclkr in mode 4 (mmc0_sdwp) by default.
[0] http://www.ti.com/lit/ds/symlink/am3358.pdf
[1] https://github.com/beagleboard/pocketbeagle/wiki/System-Reference-Manual#531_Expansion_Headers
Fixes: 047905376a16 (ARM: dts: Add am335x-pocketbeagle)
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
Signed-off-by: Drew Fustini <drew@beagleboard.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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The defines are taken from dt-bindings/pinctrl/am33xx.h
Signed-off-by: Christina Quast <cquast@hanoverdisplays.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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PocketBeagle is an ultra-tiny-yet-complete open-source USB-key-fob computer.
This board family can be indentified by the A335PBGL in the at24 eeprom:
A2: [aa 55 33 ee 41 33 33 35 50 42 47 4c 30 30 41 32 |.U3.A335PBGL00A2|]
http://beagleboard.org/pocket
https://github.com/beagleboard/pocketbeagle
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
CC: Tony Lindgren <tony@atomide.com>
CC: Jason Kridner <jkridner@beagleboard.org>
CC: Drew Fustini <drew@beagleboard.org>
CC: Peter Robinson <pbrobinson@redhat.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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