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-rw-r--r--Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt30
1 files changed, 29 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt b/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt
index e6a9d1c30878..b9ff4ba6454e 100644
--- a/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt
+++ b/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt
@@ -36,6 +36,34 @@ Required properties:
| | | | | |
external port
+ This attribute is remained for compatible purpose. It is not recommended to
+ use it in new code.
+
+- port-idx-in-ae: is the index of port provided by AE.
+ In NIC mode of DSAF, all 6 PHYs of service DSAF are taken as ethernet ports
+ to the CPU. The port-idx-in-ae can be 0 to 5. Here is the diagram:
+ +-----+---------------+
+ | CPU |
+ +-+-+-+---+-+-+-+-+-+-+
+ | | | | | | | |
+ debug debug service
+ port port port
+ (0) (0) (0-5)
+
+ In Switch mode of DSAF, all 6 PHYs of service DSAF are taken as physical
+ ports connected to a LAN Switch while the CPU side assume itself have one
+ single NIC connected to this switch. In this case, the port-idx-in-ae
+ will be 0 only.
+ +-----+-----+------+------+
+ | CPU |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | | service| port(0)
+ debug debug +------------+
+ port port | switch |
+ (0) (0) +-+-+-+-+-+-++
+ | | | | | |
+ external port
+
- local-mac-address: mac addr of the ethernet interface
Example:
@@ -43,6 +71,6 @@ Example:
ethernet@0{
compatible = "hisilicon,hns-nic-v1";
ae-handle = <&dsaf0>;
- port-id = <0>;
+ port-idx-in-ae = <0>;
local-mac-address = [a2 14 e4 4b 56 76];
};