diff mbox series

[v2,1/3] dt-bindings: can-controller: add support for termination-gpios

Message ID 20210817041306.25185-2-o.rempel@pengutronix.de
State Superseded
Headers show
Series can: provide GPIO based termination | expand

Commit Message

Oleksij Rempel Aug. 17, 2021, 4:13 a.m. UTC
Some boards provide GPIO controllable termination resistor. Provide
binding to make use of it.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 .../devicetree/bindings/net/can/can-controller.yaml      | 9 +++++++++
 1 file changed, 9 insertions(+)

Comments

Rob Herring Aug. 18, 2021, 1:18 a.m. UTC | #1
On Tue, Aug 17, 2021 at 06:13:04AM +0200, Oleksij Rempel wrote:
> Some boards provide GPIO controllable termination resistor. Provide
> binding to make use of it.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---
>  .../devicetree/bindings/net/can/can-controller.yaml      | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/can/can-controller.yaml b/Documentation/devicetree/bindings/net/can/can-controller.yaml
> index 9cf2ae097156..298ce69a8208 100644
> --- a/Documentation/devicetree/bindings/net/can/can-controller.yaml
> +++ b/Documentation/devicetree/bindings/net/can/can-controller.yaml
> @@ -13,6 +13,15 @@ properties:
>    $nodename:
>      pattern: "^can(@.*)?$"
>  
> +  termination-gpios:
> +    description: GPIO pin to enable CAN bus termination.

maxItems: 1

> +
> +  termination-ohms:
> +    description: The resistance value of the CAN bus termination resistor.
> +    $ref: /schemas/types.yaml#/definitions/uint16-array

Standard unit properties already have a type and are uint32.

> +    minimum: 1
> +    maximum: 65535
> +
>  additionalProperties: true
>  
>  ...
> -- 
> 2.30.2
> 
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/net/can/can-controller.yaml b/Documentation/devicetree/bindings/net/can/can-controller.yaml
index 9cf2ae097156..298ce69a8208 100644
--- a/Documentation/devicetree/bindings/net/can/can-controller.yaml
+++ b/Documentation/devicetree/bindings/net/can/can-controller.yaml
@@ -13,6 +13,15 @@  properties:
   $nodename:
     pattern: "^can(@.*)?$"
 
+  termination-gpios:
+    description: GPIO pin to enable CAN bus termination.
+
+  termination-ohms:
+    description: The resistance value of the CAN bus termination resistor.
+    $ref: /schemas/types.yaml#/definitions/uint16-array
+    minimum: 1
+    maximum: 65535
+
 additionalProperties: true
 
 ...