IB/hns: Add node_guid definition to the bindings document

This patch adds node_guid definition in bindings document.
The value of node_guid will be used during RDMA connection.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/Documentation/devicetree/bindings/infiniband/hisilicon-hns-roce.txt b/Documentation/devicetree/bindings/infiniband/hisilicon-hns-roce.txt
index f97993be2dcbdc82dee8866e3510b18f6e121d54..d3b273e4336a72623263d9e62e50a9c39f45c178 100644 (file)
--- a/Documentation/devicetree/bindings/infiniband/hisilicon-hns-roce.txt
+++ b/Documentation/devicetree/bindings/infiniband/hisilicon-hns-roce.txt
@@ -14,6 +14,7 @@ length of memory mapped region.
 representing a ethernet device.
 - dsaf-handle: phandle, specifies a reference to a node
 representing a dsaf device.
+- node_guid: a number that uniquely identifies a device or component
 - #address-cells: must be 2
 - #size-cells: must be 2
 Optional properties:
@@ -32,6 +33,7 @@ Example:
                        dma-coherent;
                        eth-handle = <&eth2 &eth3 &eth4 &eth5 &eth6 &eth7>;
                        dsaf-handle = <&soc0_dsa>;
+                       node-guid = [00 9A CD 00 00 01 02 03];
                        #address-cells = <2>;
                        #size-cells = <2>;
                        interrupt-parent = <&mbigen_dsa>;