[PATCH 01/13] dt-bindings: usb: amlogic,meson-g12a-usb-ctrl: add the Amlogic GXL and GXM Families USB Glue Bindings

[Neil Armstrong]

The Amlogic GXL and GXM is slightly different from the Amlogic G12A Glue.

The GXL SoCs only embeds 2 USB2 PHYs and no USB3 PHYs, and the GXM SoCs
embeds 3 USB2 PHYs.

Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
---
 .../usb/amlogic,meson-g12a-usb-ctrl.yaml      | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
index b0e5e0fe9386..e9afedbe8424 100644
--- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
+++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
@@ -25,9 +25,13 @@ description: |
   The Amlogic A1 embeds a DWC3 USB IP Core configured for USB2 in
   host-only mode.
 
+  The Amlogic GXL & GXM SoCs doesn't embed an USB3 PHY.
+
 properties:
   compatible:
     enum:
+      - amlogic,meson-gxl-usb-ctrl
+      - amlogic,meson-gxm-usb-ctrl
       - amlogic,meson-g12a-usb-ctrl
       - amlogic,meson-a1-usb-ctrl
 
@@ -89,6 +93,23 @@ required:
   - dr_mode
 
 allOf:
+  - if:
+      properties:
+        compatible:
+          enum:
+            - amlogic,meson-gxl-usb-ctrl
+            - amlogic,meson-gxm-usb-ctrl
+
+    then:
+      properties:
+        clocks:
+          minItems: 2
+        clock-names:
+          items:
+            - const: usb_ctrl
+            - const: ddr
+      required:
+        - clock-names
   - if:
       properties:
         compatible:
-- 
2.22.0