linux-kernel - [PATCH 2/5] dt-bindings: usb: amlogic,meson-g12a-usb-ctrl: add the Amlogic AXG Families USB Glue Bindings

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Date:   Wed,  9 Sep 2020 18:04:06 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     khilman@...libre.com, martin.blumenstingl@...glemail.com,
        devicetree@...r.kernel.org
Cc:     linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Neil Armstrong <narmstrong@...libre.com>,
        linux-usb@...r.kernel.org
Subject: [PATCH 2/5] dt-bindings: usb: amlogic,meson-g12a-usb-ctrl: add the Amlogic AXG Families USB Glue Bindings

The Amlogic AXG is close from the GXL Glue but with a single OTG PHY.

Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
 .../usb/amlogic,meson-g12a-usb-ctrl.yaml      | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

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 5b04a7dfa018..c0058332b967 100644
--- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
+++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
@@ -25,13 +25,14 @@ 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.
+  The Amlogic GXL, GXM & AXG SoCs doesn't embed an USB3 PHY.
 
 properties:
   compatible:
     enum:
       - amlogic,meson-gxl-usb-ctrl
       - amlogic,meson-gxm-usb-ctrl
+      - amlogic,meson-axg-usb-ctrl
       - amlogic,meson-g12a-usb-ctrl
       - amlogic,meson-a1-usb-ctrl
 
@@ -151,6 +152,25 @@ allOf:
 
       required:
         - clock-names
+  - if:
+      properties:
+        compatible:
+          enum:
+            - amlogic,meson-axg-usb-ctrl
+
+    then:
+      properties:
+        phy-names:
+          items:
+            - const: usb2-phy1 # USB2 PHY1 if USBOTG_B port is used
+        clocks:
+          minItems: 2
+        clock-names:
+          items:
+            - const: usb_ctrl
+            - const: ddr
+      required:
+        - clock-names
   - if:
       properties:
         compatible:
-- 
2.22.0