Subject: Re: [PATCH v8 13/13] dt-bindings: net: dsa: qca8k: add LEDs definition example

From: Rob Herring <[email-masked]>
Date: Mon, 20 Feb 2023 19:48:27 -0600

On Thu, Feb 16, 2023 at 02:32:30AM +0100, Christian Marangi wrote:
> Add LEDs definition example for qca8k using the offload trigger as the
> default trigger and add all the supported offload triggers by the
> switch.
> 
> Signed-off-by: Christian Marangi <[email-masked]>
> ---
>  .../devicetree/bindings/net/dsa/qca8k.yaml    | 24 +++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/dsa/qca8k.yaml b/Documentation/devicetree/bindings/net/dsa/qca8k.yaml
> index 389892592aac..ba3821364039 100644
> --- a/Documentation/devicetree/bindings/net/dsa/qca8k.yaml
> +++ b/Documentation/devicetree/bindings/net/dsa/qca8k.yaml
> @@ -18,6 +18,8 @@ description:
>    PHY it is connected to. In this config, an internal mdio-bus is registered and
>    the MDIO master is used for communication. Mixed external and internal
>    mdio-bus configurations are not supported by the hardware.
> +  Each phy have at least 3 LEDs connected and can be declared
> +  using the standard LEDs structure.
>  
>  properties:
>    compatible:
> @@ -117,6 +119,7 @@ unevaluatedProperties: false
>  examples:
>    - |
>      #include <dt-bindings/gpio/gpio.h>
> +    #include <dt-bindings/leds/common.h>
>  
>      mdio {
>          #address-cells = <1>;
> @@ -276,6 +279,27 @@ examples:
>  
>                  internal_phy_port1: ethernet-phy@0 {
>                      reg = <0>;
> +
> +                    leds {
> +                        #address-cells = <1>;
> +                        #size-cells = <0>;
> +
> +                        led@0 {
> +                            reg = <0>;
> +                            color = <LED_COLOR_ID_WHITE>;
> +                            function = LED_FUNCTION_LAN;
> +                            function-enumerator = <1>;
> +                            linux,default-trigger = "netdev";

Wouldn't the default for an ethernet phy controlled LED always be 
"netdev"? If a PHY has LED nodes, then just always set it to "netdev" 
unless something else is selected.

Rob