dt-bindings: ata: document ability to disable spread-spectrum clock
Add documentation of the fsl,no-spread-spectrum option.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Reviewed-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/Documentation/devicetree/bindings/ata/imx-sata.txt b/Documentation/devicetree/bindings/ata/imx-sata.txt
index a13f0f6..fa511db 100644
--- a/Documentation/devicetree/bindings/ata/imx-sata.txt
+++ b/Documentation/devicetree/bindings/ata/imx-sata.txt
@@ -20,6 +20,8 @@
- fsl,receive-eq-mdB : receive equalisation, in milli-decibels
Please refer to the technical documentation or the driver source code
for the list of legal values for these options.
+- fsl,no-spread-spectrum : disable spread-spectrum clocking on the SATA
+ link.
Examples: