linux-kernel - [PATCH] dt-bindings: usb: renesas,usbhs: Add RZ/V2H(P) SoC support

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Message-ID: <20250414165201.362262-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Mon, 14 Apr 2025 17:52:01 +0100
From: Prabhakar <prabhakar.csengg@...il.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
	linux-usb@...r.kernel.org
Cc: devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH] dt-bindings: usb: renesas,usbhs: Add RZ/V2H(P) SoC support

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Document the Renesas USBHS controller found on the Renesas RZ/V2H(P) SoC.
The USBHS block on RZ/V2H(P) is functionally identical to the one on the
RZ/G2L family, so no driver changes are needed. The existing
"renesas,rzg2l-usbhs" fallback compatible will continue to be used for
handling this IP.

In addition, update the schema validation logic by replacing the enum list
of SoC-specific compatibles with a const "renesas,rzg2l-usbhs" as all
listed SoCs share identical USBHS hardware and already include the fallback
compatible. This will help to simplify the schema and avoid redundancy.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
 Documentation/devicetree/bindings/usb/renesas,usbhs.yaml | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml b/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
index 980f325341d4..6f4d41ba6ca7 100644
--- a/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
+++ b/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
@@ -27,6 +27,7 @@ properties:
               - renesas,usbhs-r9a07g044 # RZ/G2{L,LC}
               - renesas,usbhs-r9a07g054 # RZ/V2L
               - renesas,usbhs-r9a08g045 # RZ/G3S
+              - renesas,usbhs-r9a09g057 # RZ/V2H(P)
           - const: renesas,rzg2l-usbhs
 
       - items:
@@ -127,11 +128,7 @@ allOf:
       properties:
         compatible:
           contains:
-            enum:
-              - renesas,usbhs-r9a07g043
-              - renesas,usbhs-r9a07g044
-              - renesas,usbhs-r9a07g054
-              - renesas,usbhs-r9a08g045
+            const: renesas,rzg2l-usbhs
     then:
       properties:
         interrupts:
-- 
2.49.0