Add the Marvell Armada 38x common phy bindings.

Signed-off-by: Russell King <rmk+ker...@armlinux.org.uk>
---
 .../bindings/phy/phy-armada38x-comphy.txt          | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 
Documentation/devicetree/bindings/phy/phy-armada38x-comphy.txt

diff --git a/Documentation/devicetree/bindings/phy/phy-armada38x-comphy.txt 
b/Documentation/devicetree/bindings/phy/phy-armada38x-comphy.txt
new file mode 100644
index 000000000000..ad49e5c01334
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/phy-armada38x-comphy.txt
@@ -0,0 +1,40 @@
+mvebu armada 38x comphy driver
+------------------------------
+
+This comphy controller can be found on Marvell Armada 38x. It provides a
+number of shared PHYs used by various interfaces (network, sata, usb,
+PCIe...).
+
+Required properties:
+
+- compatible: should be "marvell,armada-380-comphy"
+- reg: should contain the comphy register location and length.
+- #address-cells: should be 1.
+- #size-cells: should be 0.
+
+A sub-node is required for each comphy lane provided by the comphy.
+
+Required properties (child nodes):
+
+- reg: comphy lane number.
+- #phy-cells : from the generic phy bindings, must be 1. Defines the
+               input port to use for a given comphy lane.
+
+Example:
+
+       comphy: phy@18300 {
+               compatible = "marvell,armada-380-comphy";
+               reg = <0x18300 0x100>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               cpm_comphy0: phy@0 {
+                       reg = <0>;
+                       #phy-cells = <1>;
+               };
+
+               cpm_comphy1: phy@1 {
+                       reg = <1>;
+                       #phy-cells = <1>;
+               };
+       };
-- 
2.7.4

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