[Patch v2 2/2] 5200/mpc: improve i2c bus error recovery
Albrecht Dreß
albrecht.dress at arcor.de
Thu Feb 18 05:59:18 EST 2010
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 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 2010-02-17 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>;
};
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