dts: cm5/pi5: Disable EEE on rp1

The cadence mac on rp1 doesn't support EEE, but unfortunately the phy
advertises otherwise. This leads to high package loss or even unusable
network interfaces in EEE capable setups.

Fix this and mark EEE as broken on phy.

Signed-off-by: Nicolai Buchwitz <[email protected]>

Author: nbuchwitz

arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts

@@ -175,6 +175,8 @@ rp1_target: &pcie2 {
 	phy1: ethernet-phy@1 {
 		reg = <0x1>;
 		brcm,powerdown-enable;
+		eee-broken-1000t;
+		eee-broken-100tx;
 	};
 };
 

arch/arm64/boot/dts/broadcom/bcm2712-rpi-cm5.dtsi

@@ -164,6 +164,8 @@ rp1_target: &pcie2 {
 		brcm,powerdown-enable;
 		interrupt-parent = <&gpio>;
 		interrupts = <37 IRQ_TYPE_LEVEL_LOW>;
+		eee-broken-1000t;
+		eee-broken-100tx;
 	};
 };