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From:   Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
To:     "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Rob Herring <robh+dt@kernel.org>, Felix Fietkau <nbd@nbd.name>,
        John Crispin <john@phrozen.org>,
        Sean Wang <sean.wang@mediatek.com>,
        Mark Lee <Mark-MC.Lee@mediatek.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Russell King <linux@armlinux.org.uk>, netdev@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org
Cc:     Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Subject: [PATCH net-next 1/2] dt-bindings: net: mediatek: add optional GMAC labels
Date:   Sun, 18 Apr 2021 21:03:51 -0700
Message-Id: <20210419040352.2452-2-ilya.lipnitskiy@gmail.com>
In-Reply-To: <20210419040352.2452-1-ilya.lipnitskiy@gmail.com>
References: <20210419040352.2452-1-ilya.lipnitskiy@gmail.com>
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Document the mediatek ethernet driver change that adds support for
custom labels and provide an example.

Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
---
 Documentation/devicetree/bindings/net/mediatek-net.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/mediatek-net.txt b/Documentation/devicetree/bindings/net/mediatek-net.txt
index 72d03e07cf7c..500bf9351010 100644
--- a/Documentation/devicetree/bindings/net/mediatek-net.txt
+++ b/Documentation/devicetree/bindings/net/mediatek-net.txt
@@ -51,6 +51,10 @@ Required properties:
 	is equal to 0 and the MAC uses fixed-link to connect
 	with internal switch such as MT7530.
 
+Optional properties:
+- label: overrides the default netdevice name. Useful when a custom name for the
+	DSA master interface is desired.
+
 Example:
 
 eth: ethernet@1b100000 {
@@ -74,12 +78,14 @@ eth: ethernet@1b100000 {
 
 	gmac1: mac@0 {
 		compatible = "mediatek,eth-mac";
+		label = "gmac1";
 		reg = <0>;
 		phy-handle = <&phy0>;
 	};
 
 	gmac2: mac@1 {
 		compatible = "mediatek,eth-mac";
+		label = "gmac2";
 		reg = <1>;
 		phy-handle = <&phy1>;
 	};
-- 
2.31.1