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Subject[PATCH 1/3] dt-bindings: net: fsl-fec add mdc/mdio bitbang option
Add dt-bindings explanation for the two new gpios
(mdio and mdc) used for bitbanging.

Signed-off-by: Adrien Grassein <>
Documentation/devicetree/bindings/net/fsl-fec.txt | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/fsl-fec.txt b/Documentation/devicetree/bindings/net/fsl-fec.txt
index 9b543789cd52..e9fa992354b7 100644
--- a/Documentation/devicetree/bindings/net/fsl-fec.txt
+++ b/Documentation/devicetree/bindings/net/fsl-fec.txt
@@ -22,6 +22,10 @@ Optional properties:
- fsl,err006687-workaround-present: If present indicates that the system has
the hardware workaround for ERR006687 applied and does not need a software
+- mdc-gpios: Bitbanged MDIO Management Data Clock GPIO. If specified,
+mdio-gpios should be specified too.
+- mdio-gpios: Bitbanged MDIO Management Data I/O GPIO. If specified,
+mdc-gpios should be specified too.
- fsl,stop-mode: register bits of stop mode control, the format is
<&gpr req_gpr req_bit>.
gpr is the phandle to general purpose register node.
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