[PATCH v3 07/11] dt-bindings: phy: renesas, usb2-phy: Document RZ/G2L phy bindings

[Biju Das]

Document USB phy bindings for RZ/G2L SoC.

RZ/G2L USB2.0 phy uses line ctrl register for OTG_ID pin changes. Apart
from this it uses a different OTG-BC interrupt bit for device recognition.

Signed-off-by: Biju Das <biju.das.jz at bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
---
v2->v3
 * Created a new compatible for RZ/G2L as per Geert's suggestion.
 * Added resets required properties for RZ/G2L SoC.
---
 .../bindings/phy/renesas,usb2-phy.yaml         | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml b/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml
index d5dc5a3cdceb..a7e585ff28dc 100644
--- a/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml
@@ -30,6 +30,9 @@ properties:
               - renesas,usb2-phy-r8a77995 # R-Car D3
           - const: renesas,rcar-gen3-usb2-phy
 
+      - items:
+          - const: renesas,usb2-phy-r9a07g044 # RZ/G2{L,LC}
+
   reg:
     maxItems: 1
 
@@ -91,6 +94,21 @@ required:
   - clocks
   - '#phy-cells'
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,usb2-phy-r9a07g044
+    then:
+      properties:
+        resets:
+          items:
+            - description: USB phy reset
+            - description: reset of USB 2.0 host side
+      required:
+        - resets
+
 additionalProperties: false
 
 examples:
-- 
2.17.1