diff mbox series

[net-next,3/3] dt-bindings: net: dsa: Document dsa,tag-protocol property

Message ID 20210326105648.2492411-4-tobias@waldekranz.com
State New
Headers show
Series net: dsa: Allow default tag protocol to be overridden from DT | expand

Commit Message

Tobias Waldekranz March 26, 2021, 10:56 a.m. UTC
The 'dsa,tag-protocol' is used to force a switch tree to use a
particular tag protocol, typically because the Ethernet controller
that it is connected to is not compatible with the default one.

Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
---
 Documentation/devicetree/bindings/net/dsa/dsa.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Rob Herring (Arm) March 27, 2021, 6:13 p.m. UTC | #1
On Fri, Mar 26, 2021 at 11:56:48AM +0100, Tobias Waldekranz wrote:
> The 'dsa,tag-protocol' is used to force a switch tree to use a
> particular tag protocol, typically because the Ethernet controller
> that it is connected to is not compatible with the default one.
> 
> Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
> ---
>  Documentation/devicetree/bindings/net/dsa/dsa.yaml | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/dsa/dsa.yaml b/Documentation/devicetree/bindings/net/dsa/dsa.yaml
> index 8a3494db4d8d..5dcfab049aa2 100644
> --- a/Documentation/devicetree/bindings/net/dsa/dsa.yaml
> +++ b/Documentation/devicetree/bindings/net/dsa/dsa.yaml
> @@ -70,6 +70,13 @@ patternProperties:
>                device is what the switch port is connected to
>              $ref: /schemas/types.yaml#/definitions/phandle
>  
> +          dsa,tag-protocol:

'dsa' is not a vendor.

> +            description:
> +              Instead of the default, the switch will use this tag protocol if
> +              possible. Useful when a device supports multiple protcols and
> +              the default is incompatible with the Ethernet device.
> +            $ref: /schemas/types.yaml#/definitions/string

You need to define the possible strings.

> +
>            phy-handle: true
>  
>            phy-mode: true
> -- 
> 2.25.1
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/net/dsa/dsa.yaml b/Documentation/devicetree/bindings/net/dsa/dsa.yaml
index 8a3494db4d8d..5dcfab049aa2 100644
--- a/Documentation/devicetree/bindings/net/dsa/dsa.yaml
+++ b/Documentation/devicetree/bindings/net/dsa/dsa.yaml
@@ -70,6 +70,13 @@  patternProperties:
               device is what the switch port is connected to
             $ref: /schemas/types.yaml#/definitions/phandle
 
+          dsa,tag-protocol:
+            description:
+              Instead of the default, the switch will use this tag protocol if
+              possible. Useful when a device supports multiple protcols and
+              the default is incompatible with the Ethernet device.
+            $ref: /schemas/types.yaml#/definitions/string
+
           phy-handle: true
 
           phy-mode: true