dt-bindings: phy: tegra20-usb-phy: Document properties needed for OTG mode

In order to support OTG mode we need these new properties:

- interrupt
- nvidia,pmc

Add the new properties to the binding.

Reviewed-by: Rob Herring <[e-mail]>
Signed-off-by: Dmitry Osipenko <[e-mail]>
Acked-by: Thierry Reding <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

Documentation/devicetree/bindings/phy/nvidia,tegra20-usb-phy.yaml

···
           - const: timer
           - const: utmi-pads
 
+  interrupts:
+    maxItems: 1
+
   resets:
     oneOf:
       - maxItems: 1
···
     maxItems: 1
     description: GPIO used to reset the PHY.
 
+  nvidia,pmc:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    items:
+      - items:
+          - description: Phandle to Power Management controller.
+          - description: USB controller ID.
+    description:
+      Phandle to Power Management controller.
+
 required:
   - compatible
   - reg
···
         compatible = "nvidia,tegra124-usb-phy", "nvidia,tegra30-usb-phy";
         reg = <0x7d008000 0x4000>,
               <0x7d000000 0x4000>;
+        interrupts = <0 97 4>;
         phy_type = "utmi";
         clocks = <&tegra_car TEGRA124_CLK_USB3>,
                  <&tegra_car TEGRA124_CLK_PLL_U>,
···
         nvidia,hssquelch-level = <2>;
         nvidia,hsdiscon-level = <5>;
         nvidia,xcvr-hsslew = <12>;
+        nvidia,pmc = <&tegra_pmc 2>;
     };
 
   - |
···
     usb-phy@c5004000 {
         compatible = "nvidia,tegra20-usb-phy";
         reg = <0xc5004000 0x4000>;
+        interrupts = <0 21 4>;
         phy_type = "ulpi";
         clocks = <&tegra_car TEGRA20_CLK_USB2>,
                  <&tegra_car TEGRA20_CLK_PLL_U>,
···
         resets = <&tegra_car 58>, <&tegra_car 22>;
         reset-names = "usb", "utmi-pads";
         #phy-cells = <0>;
+        nvidia,pmc = <&tegra_pmc 1>;
     };