[PATCH v1 1/2] dt-binding: usb: ci-hdrc-usb2: document Nuvoton NPCM supprt

[Tomer Maimon]

Nuvoton NPCM BMC SoCs use ChipIdea silicon IP for the USB device controller.

Signed-off-by: Tomer Maimon <tmaimon77@xxxxxxxxx>
---
 .../devicetree/bindings/usb/ci-hdrc-usb2.yaml    | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml
index 1394557517b1..9de4dfe004d1 100644
--- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml
+++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml
@@ -16,6 +16,7 @@ properties:
       - enum:
           - chipidea,usb2
           - lsi,zevio-usb
+          - nuvoton,npcm-udc
           - nvidia,tegra20-ehci
           - nvidia,tegra20-udc
           - nvidia,tegra30-ehci
@@ -325,6 +326,20 @@ properties:
     type: boolean
     deprecated: true
 
+  nuvoton,sysgcr:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    items:
+      - items:
+          - description: phandle to syscon that configures usb phy mux.
+          - description: offset of usb phy mux selection.
+          - description: mask usb phy mux selection.
+          - description: value usb phy mux selection.
+    description:
+      A phandle to syscon with three arguments that configure usb phy mux.
+      The argument one is the offset of usb phy mux selection, the argument two
+      is the mask usb phy mux selection, the argument three is the mask usb phy
+      mux selection.
+
   port:
     description:
       Any connector to the data bus of this controller should be modelled
@@ -388,6 +403,7 @@ allOf:
             enum:
               - chipidea,usb2
               - lsi,zevio-usb
+              - nuvoton,npcm-udc
               - nvidia,tegra20-udc
               - nvidia,tegra30-udc
               - nvidia,tegra114-udc
-- 
2.33.0