linux-kernel - [PATCH v2 1/4] dt-bindings: can: renesas,rcar-canfd: Specify reset-names

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Message-ID: <20251230115814.53536-2-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Tue, 30 Dec 2025 11:58:11 +0000
From: Prabhakar <prabhakar.csengg@...il.com>
To: Marc Kleine-Budde <mkl@...gutronix.de>,
	Vincent Mailhol <mailhol@...nel.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>,
	Biju Das <biju.das.jz@...renesas.com>
Cc: linux-can@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Prabhakar <prabhakar.csengg@...il.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v2 1/4] dt-bindings: can: renesas,rcar-canfd: Specify reset-names

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

Specify the expected reset-names for the Renesas CAN-FD controller on
RZ/G2L and RZ/G3E SoCs.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
v1->v2:
- Moved reset-names to top-level properties.
---
 .../bindings/net/can/renesas,rcar-canfd.yaml  | 33 +++++++++++--------
 1 file changed, 19 insertions(+), 14 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
index e129bdceef84..9bfd4f44e4d4 100644
--- a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
+++ b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
@@ -122,6 +122,11 @@ properties:
 
   resets: true
 
+  reset-names:
+    items:
+      - const: rstp_n
+      - const: rstc_n
+
   renesas,no-can-fd:
     $ref: /schemas/types.yaml#/definitions/flag
     description:
@@ -195,13 +200,6 @@ allOf:
           minItems: 2
           maxItems: 2
 
-        reset-names:
-          minItems: 2
-          maxItems: 2
-
-      required:
-        - reset-names
-
   - if:
       properties:
         compatible:
@@ -239,13 +237,6 @@ allOf:
           minItems: 2
           maxItems: 2
 
-        reset-names:
-          minItems: 2
-          maxItems: 2
-
-      required:
-        - reset-names
-
   - if:
       properties:
         compatible:
@@ -299,6 +290,20 @@ allOf:
       properties:
         renesas,no-can-fd: false
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - renesas,r9a09g047-canfd
+              - renesas,rzg2l-canfd
+    then:
+      required:
+        - reset-names
+    else:
+      properties:
+        reset-names: false
+
 unevaluatedProperties: false
 
 examples:
-- 
2.52.0