[PATCH v2 2/3] mips: dts: ralink: mt7621: mux phy4 to gmac1 for GB-PC1

Arınç ÜNAL arinc.unal at arinc9.com
Mon Apr 11 04:20:48 PDT 2022


Mux the MT7530 switch's phy4 to the SoC's gmac1 on the GB-PC1 devicetree.
This achieves 2 Gbps total bandwidth to the CPU using the second RGMII.

Signed-off-by: Arınç ÜNAL <arinc.unal at arinc9.com>
Reviewed-by: Sergio Paracuellos <sergio.paracuellos at gmail.com>
---
v2: add "ralink:" to the commit summary

---
 .../boot/dts/ralink/mt7621-gnubee-gb-pc1.dts   | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts
index 5892bcf71595..75f3b0425487 100644
--- a/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts
+++ b/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts
@@ -103,14 +103,21 @@ &pinctrl {
 
 	state_default: state-default {
 		gpio-pinmux {
-			groups = "rgmii2", "uart3", "wdt";
+			groups = "uart3", "wdt";
 			function = "gpio";
 		};
 	};
 };
 
-&ethernet {
-	pinctrl-0 = <&mdio_pins>, <&rgmii1_pins>;
+&gmac1 {
+	status = "okay";
+	phy-handle = <&ethphy4>;
+};
+
+&mdio {
+	ethphy4: ethernet-phy at 4 {
+		reg = <4>;
+	};
 };
 
 &switch0 {
@@ -119,10 +126,5 @@ port at 0 {
 			status = "okay";
 			label = "ethblack";
 		};
-
-		port at 4 {
-			status = "okay";
-			label = "ethblue";
-		};
 	};
 };
-- 
2.25.1




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