1 files changed, 56 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml b/Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml
index 878a2079ebb6..9a785bbaafb7 100644
--- a/Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml
+++ b/Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml
@@ -26,17 +26,69 @@ properties:
 
   reg:
     items:
-      - description: NPE0 register range
-      - description: NPE1 register range
-      - description: NPE2 register range
+      - description: NPE0 (NPE-A) register range
+      - description: NPE1 (NPE-B) register range
+      - description: NPE2 (NPE-C) register range
+
+  crypto:
+    $ref: /schemas/crypto/intel,ixp4xx-crypto.yaml#
+    type: object
+    description: Optional node for the embedded crypto engine, the node
+      should be named with the instance number of the NPE engine used for
+      the crypto engine.
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+patternProperties:
+  hss@[0-9]+$:
+    $ref: /schemas/net/intel,ixp4xx-hss.yaml#
+    type: object
+    description: Optional node for the High Speed Serial link (HSS), the
+      node should be named with the instance number of the NPE engine
+      used for the HSS.
 
 required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
-    npe@c8006000 {
+    #include <dt-bindings/gpio/gpio.h>
+
+    npe: npe@c8006000 {
          compatible = "intel,ixp4xx-network-processing-engine";
          reg = <0xc8006000 0x1000>, <0xc8007000 0x1000>, <0xc8008000 0x1000>;
+         #address-cells = <1>;
+         #size-cells = <0>;
+
+         hss@0 {
+             compatible = "intel,ixp4xx-hss";
+             reg = <0>;
+             intel,npe-handle = <&npe 0>;
+             intel,queue-chl-rxtrig = <&qmgr 12>;
+             intel,queue-chl-txready = <&qmgr 34>;
+             intel,queue-pkt-rx = <&qmgr 13>;
+             intel,queue-pkt-tx = <&qmgr 14>, <&qmgr 15>, <&qmgr 16>, <&qmgr 17>;
+             intel,queue-pkt-rxfree = <&qmgr 18>, <&qmgr 19>, <&qmgr 20>, <&qmgr 21>;
+             intel,queue-pkt-txdone = <&qmgr 22>;
+             cts-gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
+             rts-gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
+             dcd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
+             dtr-gpios = <&gpio_74 2 GPIO_ACTIVE_LOW>;
+             clk-internal-gpios = <&gpio_74 0 GPIO_ACTIVE_HIGH>;
+         };
+
+         crypto {
+             compatible = "intel,ixp4xx-crypto";
+             intel,npe-handle = <&npe 2>;
+             queue-rx = <&qmgr 30>;
+             queue-txready = <&qmgr 29>;
+         };
     };
+...