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[03/12] dt-bindings: can: renesas,rcar-canfd: Add transceiver support

Message ID 1bd328b5c9c6cfa633b42af87550f4c7358a05c1.1674499048.git.geert+renesas@glider.be
State Accepted
Commit a707d44dfb4786fdd6444653abf36fc3eb21d503
Headers show
Series can: rcar_canfd: Add support for R-Car V4H systems | expand

Commit Message

Geert Uytterhoeven Jan. 23, 2023, 6:56 p.m. UTC
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@glider.be>
---
 .../devicetree/bindings/net/can/renesas,rcar-canfd.yaml       | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
index 04b7f0afdce1e3c6..d3f45d29fa0a550a 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: