Merge tag 'mvebu-fixes-3.13' of git://git.infradead.org/linux-mvebu into next/fixes-non-critical

From Jason Cooper:
mvebu late fixes for v3.13

 - mvebu
    - fix boot hang on Armada XP due to broken i2c offloading in A0 SoC revision
	(specifically experienced on some early OpenBlocks AX3-4 boards)

* tag 'mvebu-fixes-3.13' of git://git.infradead.org/linux-mvebu:
  i2c: mv64xxx: Document the newly introduced Armada XP A0 compatible
  i2c: mv64xxx: Fix bus hang on A0 version of the Armada XP SoCs
  ARM: mvebu: Add quirk for i2c for the OpenBlocks AX3-4 board
  ARM: mvebu: Add support to get the ID and the revision of a SoC

Signed-off-by: Kevin Hilman <khilman@linaro.org>

Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt

@@ -5,7 +5,11 @@ Required properties :
 
  - reg             : Offset and length of the register set for the device
  - compatible      : Should be "marvell,mv64xxx-i2c" or "allwinner,sun4i-i2c"
-                     or "marvell,mv78230-i2c"
+                     or "marvell,mv78230-i2c" or "marvell,mv78230-a0-i2c"
+                     Note: Only use "marvell,mv78230-a0-i2c" for a very rare,
+                     initial version of the SoC which had broken offload
+                     support.  Linux auto-detects this and sets it
+                     appropriately.
  - interrupts      : The interrupt number
 
 Optional properties :