[PATCH v2 2/5] arm64: dts: mediatek: mt7988: Disable 2.5G phy and enable at board layer

Frank Wunderlich
2025-11-05T19:51:03Z

From: Frank Wunderlich <frank-w@public-files.de>

The internal 2.5G phy of mt7988 is only used by some specific board
variants.
Disable it by default and enable it where needed.

Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
---
arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-2g5.dts | 1 +
arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 1 +
2 files changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-2g5.dts b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-2g5.dts
index 6f0c81e3fd94..0e41c07d3a5f 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-2g5.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-2g5.dts
@@ -19,4 +19,5 @@ &gmac1 {
&int_2p5g_phy {
pinctrl-0 = <&i2p5gbe_led0_pins>;
pinctrl-names = "i2p5gbe-led";
+ status = "okay";
};
diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index 366203a72d6d..ed4b592c9dd5 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -995,6 +995,7 @@ mdio_bus: mdio-bus {
int_2p5g_phy: ethernet-phy@15 {
compatible = "ethernet-phy-ieee802.3-c45";
reg = <15>;
+ status = "disabled";
};
};
};
--
2.43.0