[PATCH/RFC 2/2] 5200: improve i2c bus error recovery

[Albrecht Dreß]

Make the I2C adapter timeout configurable through a Device Tree property
which gives the timeout in microseconds.

Signed-off-by: Albrecht Dreß <albrecht.dress at arcor.de>

---

--- linux-2.6.32-orig/Documentation/powerpc/dts-bindings/fsl/i2c.txt	2009-12-03 04:51:21.000000000 +0100
+++ linux-2.6.32/Documentation/powerpc/dts-bindings/fsl/i2c.txt	2010-01-22 16:04:56.000000000 +0100
@@ -21,6 +21,7 @@
  - fsl,preserve-clocking : boolean; if defined, the clock settings
    from the bootloader are preserved (not touched).
  - clock-frequency : desired I2C bus clock frequency in Hz.
+ - timeout : I2C timeout in microseconds.
 
 Examples :