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Date:   Tue, 17 May 2022 15:37:37 -0500
From:   Rob Herring <robh@kernel.org>
To:     =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= <zajec5@gmail.com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Pavel Machek <pavel@ucw.cz>,
        "David S . Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Hauke Mehrtens <hauke@hauke-m.de>,
        Jacek Anaszewski <jacek.anaszewski@gmail.com>,
        devicetree@vger.kernel.org, netdev@vger.kernel.org,
        linux-leds@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org,
        bcm-kernel-feedback-list@broadcom.com, ansuelsmth@gmail.com,
        andrew@lunn.ch, vivien.didelot@gmail.com,
        Vladimir Oltean <olteanv@gmail.com>,
        Jonathan Corbet <corbet@lwn.net>,
        John Crispin <john@phrozen.org>, linux-doc@vger.kernel.org,
        =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= <rafal@milecki.pl>
Subject: Re: [PATCH RESEND 2/5] dt-bindings: net: allow Ethernet devices as
 LED triggers
Message-ID: <20220517203737.GA1590689-robh@kernel.org>
References: <20220505135512.3486-1-zajec5@gmail.com>
 <20220505135512.3486-3-zajec5@gmail.com>
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On Thu, May 05, 2022 at 03:55:09PM +0200, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@milecki.pl>
> 
> This allows specifying Ethernet interfaces and switch ports as triggers
> for LEDs activity.
> 
> Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
> ---
>  Documentation/devicetree/bindings/net/ethernet-controller.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/ethernet-controller.yaml b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
> index 4f15463611f8..ebeb4446d253 100644
> --- a/Documentation/devicetree/bindings/net/ethernet-controller.yaml
> +++ b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
> @@ -232,6 +232,9 @@ properties:
>            required:
>              - speed
>  
> +allOf:
> +  - $ref: /schemas/leds/trigger-source.yaml

There's no need to add this here. A device binding still has to list 
'#trigger-source-cells' and set it's value to 0 or 1 cell.

Rob