From 88fae346ea776d5b0d336642b5274be0501cc911 Mon Sep 17 00:00:00 2001
From: OrangePi CM5 Builder <OrangePi-CM5@build.local>
Date: Tue, 12 May 2026 20:00:50 +0800
Subject: [PATCH] patch: orangepicm5 gmac1 RMII (YT8522C)

---
 ...-orangepi-cm5-gmac1-RMII-for-YT8522C.patch | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 external/patch/kernel/rockchip-rk3588-legacy/board_orangepicm5/0001-rk3588s-orangepi-cm5-gmac1-RMII-for-YT8522C.patch

diff --git a/external/patch/kernel/rockchip-rk3588-legacy/board_orangepicm5/0001-rk3588s-orangepi-cm5-gmac1-RMII-for-YT8522C.patch b/external/patch/kernel/rockchip-rk3588-legacy/board_orangepicm5/0001-rk3588s-orangepi-cm5-gmac1-RMII-for-YT8522C.patch
new file mode 100644
index 000000000000..1a5b12557527
--- /dev/null
+++ b/external/patch/kernel/rockchip-rk3588-legacy/board_orangepicm5/0001-rk3588s-orangepi-cm5-gmac1-RMII-for-YT8522C.patch
@@ -0,0 +1,52 @@
+From ede9ed9d5582f744ed108c544316b90f7db678b3 Mon Sep 17 00:00:00 2001
+From: yuquanjun <yuquanjun@lookzn.cn>
+Date: Tue, 12 May 2026 18:44:11 +0800
+Subject: [PATCH] rk3588s: orangepi-cm5: gmac1 RMII for YT8522C
+
+---
+ .../boot/dts/rockchip/rk3588s-orangepi-cm5.dts     | 14 ++++----------
+ 1 file changed, 4 insertions(+), 10 deletions(-)
+
+diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-cm5.dts b/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-cm5.dts
+index b9e4af46e..79c14ad02 100755
+--- a/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-cm5.dts
++++ b/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-cm5.dts
+@@ -123,31 +123,25 @@ ext_cam_ov5647_clk: external-camera-ov5647-clock {
+ };
+ 
+ &gmac1 {
+-	/* Use rgmii-rxid mode to disable rx delay inside Soc */
+-	phy-mode = "rgmii-rxid";
++	phy-mode = "rmii";
+ 	clock_in_out = "output";
+ 
+ 	snps,reset-gpio = <&gpio3 RK_PB2 GPIO_ACTIVE_LOW>;
+ 	snps,reset-active-low;
+-	/* Reset time is 20ms, 100ms for rtl8211f */
+ 	snps,reset-delays-us = <0 20000 100000>;
+ 
+ 	pinctrl-names = "default";
+ 	pinctrl-0 = <&gmac1_miim
+ 	             &gmac1_tx_bus2
+ 	             &gmac1_rx_bus2
+-	             &gmac1_rgmii_clk
+-	             &gmac1_rgmii_bus>;
++	             &gmac1_clkinout>;
+ 
+-	tx_delay = <0x42>;
+-	/* rx_delay = <0x3f>; */
+-
+-	phy-handle = <&rgmii_phy1>;
++	phy-handle = <&rmii_phy1>;
+ 	status = "okay";
+ };
+ 
+ &mdio1 {
+-	rgmii_phy1: phy@1 {
++	rmii_phy1: phy@1 {
+ 		compatible = "ethernet-phy-ieee802.3-c22";
+ 		reg = <0x1>;
+ 	};
+-- 
+2.34.1
+