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Message-Id: <20230206131620.2758724-7-mkl@pengutronix.de>
Date:   Mon,  6 Feb 2023 14:15:39 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, linux-can@...r.kernel.org,
        kernel@...gutronix.de,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Rob Herring <robh@...nel.org>,
        Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH net-next 06/47] dt-bindings: can: renesas,rcar-canfd: Add transceiver support

From: Geert Uytterhoeven <geert+renesas@...der.be>

Add support for describing CAN transceivers as PHYs.

While simple CAN transceivers can do without, this is needed for CAN
transceivers like NXP TJR1443 that need a configuration step (like
pulling standby or enable lines), and/or impose a bitrate limit.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Acked-by: Rob Herring <robh@...nel.org>
Link: https://lore.kernel.org/all/1bd328b5c9c6cfa633b42af87550f4c7358a05c1.1674499048.git.geert+renesas@glider.be
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 .../devicetree/bindings/net/can/renesas,rcar-canfd.yaml       | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
index 04b7f0afdce1..d3f45d29fa0a 100644
--- a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
+++ b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
@@ -84,6 +84,10 @@ patternProperties:
       The controller supports multiple channels and each is represented as a
       child node.  Each channel can be enabled/disabled individually.
 
+    properties:
+      phys:
+        maxItems: 1
+
     additionalProperties: false
 
 required:
-- 
2.39.1


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