summary refs log tree commit diff
path: root/Documentation
diff options
context:
space:
mode:
authorTobias Waldekranz <tobias@waldekranz.com>2022-01-18 22:50:51 +0100
committerJakub Kicinski <kuba@kernel.org>2022-01-19 08:14:17 -0800
commitea11fc509ff26039046744d1bdfdf2747dda558c (patch)
tree766040c3f131295e58fe8e0a28379a0d3d176c9f /Documentation
parent6198c722019774d38018457a8bfb9ba3ed8c931e (diff)
downloadlinux-ea11fc509ff26039046744d1bdfdf2747dda558c.tar.gz
dt-bindings: net: Document fsl,erratum-a009885
Update FMan binding documentation with the newly added workaround for
erratum A-009885.

Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/net/fsl-fman.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/fsl-fman.txt b/Documentation/devicetree/bindings/net/fsl-fman.txt
index c00fb0d22c7b..020337f3c05f 100644
--- a/Documentation/devicetree/bindings/net/fsl-fman.txt
+++ b/Documentation/devicetree/bindings/net/fsl-fman.txt
@@ -410,6 +410,15 @@ PROPERTIES
 		The settings and programming routines for internal/external
 		MDIO are different. Must be included for internal MDIO.
 
+- fsl,erratum-a009885
+		Usage: optional
+		Value type: <boolean>
+		Definition: Indicates the presence of the A009885
+		erratum describing that the contents of MDIO_DATA may
+		become corrupt unless it is read within 16 MDC cycles
+		of MDIO_CFG[BSY] being cleared, when performing an
+		MDIO read operation.
+
 - fsl,erratum-a011043
 		Usage: optional
 		Value type: <boolean>