linux-kernel - [PATCH v2 4/5] arm: dts: mt7623: mux phy0 on Bananapi BPI-R2

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Date:   Wed,  1 Feb 2023 21:56:55 +0300
From:   arinc9.unal@...il.com
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     Arınç ÜNAL <arinc.unal@...nc9.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Frank Wunderlich <frank-w@...lic-files.de>,
        erkin.bozoglu@...ont.com, Sean Wang <sean.wang@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>
Subject: [PATCH v2 4/5] arm: dts: mt7623: mux phy0 on Bananapi BPI-R2

From: Arınç ÜNAL <arinc.unal@...nc9.com>

Mux the MT7530 switch's phy0 to gmac5 which is wired to the SoC's gmac1.
This achieves 2 Gbps total bandwidth to the CPU using the second RGMII.

With this, the interface name to access phy0 changes from wan to eth1.

Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
---
 arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
index dc9b4f99eb8b..64700253fd35 100644
--- a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
+++ b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
@@ -182,6 +182,12 @@ fixed-link {
 	};
 };
 
+&gmac1 {
+	status = "okay";
+	phy-mode = "rgmii";
+	phy-handle = <&ethphy0>;
+};
+
 &eth {
 	status = "okay";
 
@@ -189,6 +195,10 @@ mdio-bus {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
+		ethphy0: ethernet-phy@0 {
+			reg = <0>;
+		};
+
 		switch@1f {
 			compatible = "mediatek,mt7530";
 			reg = <0x1f>;
@@ -200,11 +210,6 @@ ports {
 				#address-cells = <1>;
 				#size-cells = <0>;
 
-				port@0 {
-					reg = <0>;
-					label = "wan";
-				};
-
 				port@1 {
 					reg = <1>;
 					label = "lan0";
-- 
2.37.2