Since commit | 1f9234401ce0 ("dt-bindings: can: add can-controller.yaml") there is a common CAN controller binding. Add this to the m_can binding. Link: https://lore.kernel.org/all/20220124220653.3477172-4-mkl@xxxxxxxxxxxxxx Reviewed-by: Chandrasekar Ramakrishnan <rcsekar@xxxxxxxxxxx> Acked-by: Rob Herring <robh@xxxxxxxxxx> Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> --- Documentation/devicetree/bindings/net/can/bosch,m_can.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml index fd4d291fe4c1..b7f9803c1c6d 100644 --- a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml +++ b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml @@ -11,6 +11,9 @@ description: Bosch MCAN controller for CAN bus maintainers: - Chandrasekar Ramakrishnan <rcsekar@xxxxxxxxxxx> +allOf: + - $ref: can-controller.yaml# + properties: compatible: const: bosch,m_can -- 2.34.1