[PATCH v2] dt/bindings: fsl-fec: add clock properties

[Shawn Guo <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>]

Update fsl-fec.txt to add 'clocks' and 'clock-names' properties.

Signed-off-by: Shawn Guo <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
Changes since v1:
 - Leave compatible change out, which should probably be addressed by
   another patch
 - Move clock properties into 'Optional properties:' section

 Documentation/devicetree/bindings/net/fsl-fec.txt |    9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/fsl-fec.txt b/Documentation/devicetree/bindings/net/fsl-fec.txt
index 845ff84..468736d 100644
--- a/Documentation/devicetree/bindings/net/fsl-fec.txt
+++ b/Documentation/devicetree/bindings/net/fsl-fec.txt
@@ -16,6 +16,15 @@ Optional properties:
   will have the duration be 1 millisecond.  Numbers greater than 1000 are
   invalid and 1 millisecond will be used instead.
 - phy-supply: regulator that powers the Ethernet PHY.
+- clocks: the clocks feeding the FEC controller and phy.
+   - "ipg": the peripheral access clock
+   - "ahb": the bus clock for MAC
+   - "ptp": the sampling clock for PTP (IEEE 1588).  On SoC like i.MX6Q,
+     the clock could come from either the internal clock control module
+     or external oscillator via pad depending on board design.
+   - "enet_out": the phy reference clock provided by SoC via pad, which
+     is available on SoC like i.MX28.
+- clock-names: Must contain the clock names described just above
 
 Example:
 
-- 
1.7.9.5


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