linux-kernel - Re: [PATCH 1/5] arm: dts: mt7623: add gmacs to mt7623.dtsi

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Date:   Wed, 25 Jan 2023 17:45:59 +0100
From:   Frank Wunderlich <frank-w@...lic-files.de>
To:     Arınç ÜNAL <arinc.unal@...nc9.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        erkin.bozoglu@...ont.com, Sean Wang <sean.wang@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>
Subject: Re: [PATCH 1/5] arm: dts: mt7623: add gmacs to mt7623.dtsi

Am 20. Januar 2023 21:53:14 MEZ schrieb "Arınç ÜNAL" <arinc.unal@...nc9.com>:

>index 25d31e40a553..5eb698a90d34 100644
>--- a/arch/arm/boot/dts/mt7623.dtsi
>+++ b/arch/arm/boot/dts/mt7623.dtsi
>@@ -981,6 +981,20 @@ eth: ethernet@...00000 {
> 		#address-cells = <1>;
> 		#size-cells = <0>;
> 		status = "disabled";
>+
>+		gmac0: mac@0 {
>+			compatible = "mediatek,eth-mac";
>+			reg = <0>;
>+			phy-mode = "trgmii";
>+			status = "disabled";
>+		};
>+
>+		gmac1: mac@1 {
>+			compatible = "mediatek,eth-mac";
>+			reg = <1>;
>+			phy-mode = "rgmii";
>+			status = "disabled";
>+		};
> 	};
> 

>diff --git a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
>index 5008115d2494..a5800a524302 100644
>--- a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
>+++ b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
>@@ -175,9 +175,7 @@ &eth {
> 	status = "okay";
> 
> 	gmac0: mac@0 {

Should node not be accessed with label (&gmac0) instead of defining it again and shadow the one from dtsi?

>-		compatible = "mediatek,eth-mac";
>-		reg = <0>;
>-		phy-mode = "trgmii";
>+		status = "okay";
> 
> 		fixed-link {
> 			speed = <1000>;

Same for other boards.

regards Frank