diff --git a/target/linux/mediatek/patches-5.4/999-2717-add-mediatek-2p5ge-phy-support.patch b/target/linux/mediatek/patches-5.4/999-2717-add-mediatek-2p5ge-phy-support.patch
new file mode 100644
index 0000000..b750c57
--- /dev/null
+++ b/target/linux/mediatek/patches-5.4/999-2717-add-mediatek-2p5ge-phy-support.patch
@@ -0,0 +1,41 @@
+From d3e70b511ec583b7cced3ffd3c34700084c9149d Mon Sep 17 00:00:00 2001
+From: Sam Shih <sam.shih@mediatek.com>
+Date: Fri, 2 Jun 2023 13:06:31 +0800
+Subject: [PATCH] [networking][999-2717-add-mediatek-2p5ge-phy-support.patch]
+
+---
+ drivers/net/phy/Kconfig  | 5 +++++
+ drivers/net/phy/Makefile | 1 +
+ 2 files changed, 6 insertions(+)
+
+diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
+index 87eaaad76..45aaf7203 100644
+--- a/drivers/net/phy/Kconfig
++++ b/drivers/net/phy/Kconfig
+@@ -539,6 +539,11 @@ config MEDIATEK_GE_SOC_PHY
+ 	  present in the SoCs efuse and will dynamically calibrate VCM
+ 	  (common-mode voltage) during startup.
+ 
++config MEDIATEK_2P5GE_PHY
++	tristate "MediaTek 2.5Gb Ethernet PHYs"
++	---help---
++	  Supports MediaTek internal 2.5Gb Ethernet PHYs.
++
+ config MICREL_PHY
+ 	tristate "Micrel PHYs"
+ 	---help---
+diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
+index 801550726..998de790e 100644
+--- a/drivers/net/phy/Makefile
++++ b/drivers/net/phy/Makefile
+@@ -98,6 +98,7 @@ obj-$(CONFIG_MARVELL_PHY)	+= marvell.o
+ obj-$(CONFIG_MARVELL_10G_PHY)	+= marvell10g.o
+ obj-$(CONFIG_MEDIATEK_GE_PHY)	+= mediatek-ge.o
+ obj-$(CONFIG_MEDIATEK_GE_SOC_PHY)	+= mediatek-ge-soc.o
++obj-$(CONFIG_MEDIATEK_2P5GE_PHY)+= mediatek-2p5ge.o
+ obj-$(CONFIG_MESON_GXL_PHY)	+= meson-gxl.o
+ obj-$(CONFIG_MICREL_KS8995MA)	+= spi_ks8995.o
+ obj-$(CONFIG_MICREL_PHY)	+= micrel.o
+-- 
+2.34.1
+