linux-kernel - [PATCH v4 1/2] dt-bindings: can: fsl,flexcan: add transceiver capabilities

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Message-Id: <20250222-flexcan-add-transceiver-caps-v4-1-a38dfadab763@liebherr.com>
Date: Sat, 22 Feb 2025 08:43:13 +0100
From: Dimitri Fedrau via B4 Relay <devnull+dimitri.fedrau.liebherr.com@...nel.org>
To: Marc Kleine-Budde <mkl@...gutronix.de>, 
 Vincent Mailhol <mailhol.vincent@...adoo.fr>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-can@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, Dimitri Fedrau <dimitri.fedrau@...bherr.com>, 
 Dimitri Fedrau <dima.fedrau@...il.com>, 
 Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH v4 1/2] dt-bindings: can: fsl,flexcan: add transceiver
 capabilities

From: Dimitri Fedrau <dimitri.fedrau@...bherr.com>

Currently the flexcan driver does only support adding PHYs by using the
"old" regulator bindings. Add support for CAN transceivers as a PHY.

Acked-by: Conor Dooley <conor.dooley@...rochip.com>
Signed-off-by: Dimitri Fedrau <dimitri.fedrau@...bherr.com>
---
 Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml b/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
index 73252fe56fe6c8e9fd19142208bb655dc86d47cd..37e3e4f487629f4df427dd8f711dc632f8dc5a2a 100644
--- a/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
+++ b/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
@@ -77,6 +77,9 @@ properties:
   xceiver-supply:
     description: Regulator that powers the CAN transceiver.
 
+  phys:
+    maxItems: 1
+
   big-endian:
     $ref: /schemas/types.yaml#/definitions/flag
     description: |
@@ -171,6 +174,12 @@ allOf:
         interrupts:
           maxItems: 1
         interrupt-names: false
+  - if:
+      required:
+        - xceiver-supply
+    then:
+      properties:
+        phys: false
 
 additionalProperties: false
 

-- 
2.39.5