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Date: Wed, 17 Feb 2010 19:59:18 +0100
From: Albrecht =?iso-8859-1?b?RHJl3w==?= <albrecht.dress@arcor.de>
Subject: [Patch v2 2/2] 5200/mpc: improve i2c bus error recovery
To: Linux PPC Development <linuxppc-dev@ozlabs.org>, Devicetree Discussions
	<devicetree-discuss@lists.ozlabs.org>, Grant Likely
	<grant.likely@secretlab.ca>, "Ben Dooks (embedded platforms)"
	<ben-linux@fluff.org>
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Cc: "Ira W. Snyder" <iws@ovro.caltech.edu>
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Make the I2C adapter timeout configurable through a Device Tree property
which gives the timeout in microseconds.

Change vs. v.1: use "fsl,timeout" as property name (Thanks, Grant)

Signed-off-by: Albrecht Dreß <albrecht.dress@arcor.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>

--- 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	2010-02-17 14:18:01.000000000 +0100
@@ -21,6 +21,7 @@ Recommended properties :
   - 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.
+ - fsl,timeout : I2C bus timeout in microseconds.

  Examples :

@@ -44,5 +45,6 @@ Examples :
  		interrupts = <43 2>;
  		interrupt-parent = <&mpic>;
  		clock-frequency = <400000>;
+		fsl,timeout = <10000>;
  	};