[PATCH] of: added documentation for spi chipselects, follow-up patch
Ernst Schwab
eschwab at online.de
Thu Feb 18 01:15:18 EST 2010
From: Ernst Schwab <eschwab at online.de>
Improved comments and formatting of devicetree binding documentation
for gpios used as chipselect.
Signed-off-by: Ernst Schwab <eschwab at online.de>
Reviewed-by: Wolfram Sang <w.sang at pengutronix.de>
---
Wolfram Sang <w.sang at pengutronix.de> wrote:
> Hmm, as Grant merged the original patch already, it might be necessary to
> convert this into a follow-up patch. He will surely tell you. For both
> versions, you can add my
>
> Reviewed-by: Wolfram Sang <w.sang at pengutronix.de>
Ok, I understand - I have to get used to it...
diff -upr a/Documentation/powerpc/dts-bindings/fsl/spi.txt b/Documentation/powerpc/dts-bindings/fsl/spi.txt
--- a/Documentation/powerpc/dts-bindings/fsl/spi.txt
+++ b/Documentation/powerpc/dts-bindings/fsl/spi.txt
@@ -14,8 +14,8 @@ Required properties:
services interrupts for this device.
Optional properties:
-- gpios : specifies the gpio pins to be used for chipselects.
- The gpios will be referred to as reg=<index> in the SPI child nodes.
+- gpios : specifies the gpio pins to be used for chipselects.
+ The gpios will be referred to as reg = <index> in the SPI child nodes.
If unspecified, a single SPI device without a chip select can be used.
Example:
@@ -26,6 +26,6 @@ Example:
interrupts = <82 0>;
interrupt-parent = <700>;
mode = "cpu";
- gpios = <&gpio 18 1 // device reg=<0>, low-active
- &gpio 19 1>; // device reg=<1>, low-active
+ gpios = <&gpio 18 1 // device reg = <0>
+ &gpio 19 1>; // device reg = <1>
};
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