dt-bindings: net: Add RGMII internal delay for DP83869

Add the internal delay values into the header and update the binding
with the internal delay properties.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/devicetree/bindings/net/ti,dp83869.yaml

@@ -8,7 +8,7 @@ $schema: "http://devicetree.org/meta-schemas/core.yaml#"
 title: TI DP83869 ethernet PHY
 
 allOf:
-  - $ref: "ethernet-controller.yaml#"
+  - $ref: "ethernet-phy.yaml#"
 
 maintainers:
   - Dan Murphy <dmurphy@ti.com>
@@ -64,6 +64,18 @@ properties:
        Operational mode for the PHY.  If this is not set then the operational
        mode is set by the straps. see dt-bindings/net/ti-dp83869.h for values
 
+  rx-internal-delay-ps:
+    description: Delay is in pico seconds
+    enum: [ 250, 500, 750, 1000, 1250, 1500, 1750, 2000, 2250, 2500, 2750, 3000,
+            3250, 3500, 3750, 4000 ]
+    default: 2000
+
+  tx-internal-delay-ps:
+    description: Delay is in pico seconds
+    enum: [ 250, 500, 750, 1000, 1250, 1500, 1750, 2000, 2250, 2500, 2750, 3000,
+            3250, 3500, 3750, 4000 ]
+    default: 2000
+
 required:
   - reg
 
@@ -80,5 +92,7 @@ examples:
         ti,op-mode = <DP83869_RGMII_COPPER_ETHERNET>;
         ti,max-output-impedance = "true";
         ti,clk-output-sel = <DP83869_CLK_O_SEL_CHN_A_RCLK>;
+        rx-internal-delay-ps = <2000>;
+        tx-internal-delay-ps = <2000>;
       };
     };