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RTL8125B是一款PCIE转RJ45的网卡控制器芯片，在底层调试时只需配置PCIE即可

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-nvr-demo.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-nvr-demo.dtsi
index 798359eaf061..d8a7a43cdfa0 100755
--- a/arch/arm64/boot/dts/rockchip/rk3588-nvr-demo.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-nvr-demo.dtsi
@@ -193,21 +193,44 @@pinctrl-0 = <&pwm11m2_pins>;status = "okay";};
- 
+
+&pcie2x1l0 {
+       phys = <&combphy1_ps PHY_TYPE_PCIE>;
+       reset-gpios = <&gpio4 RK_PB3 GPIO_ACTIVE_HIGH>;
+       rockchip,init-delay-ms = <100>;
+       vpcie3v3-supply = <&vcc3v3_pcie30>;
+       status = "okay";
+};
+
+&pcie2x1l1 {
+       phys = <&combphy2_psu PHY_TYPE_PCIE>;
+       reset-gpios = <&gpio1 RK_PA7 GPIO_ACTIVE_LOW>;
+       vpcie3v3-supply = <&vcc3v3_pcie30>;
+       rockchip,init-delay-ms = <100>;
+       status = "disabled";
+};
+
+&pcie2x1l2 {
+       //reset-gpios = <&gpio4 RK_PC1 GPIO_ACTIVE_HIGH>;
+       vpcie3v3-supply = <&vcc3v3_pcie30>;
+       rockchip,init-delay-ms = <100>;
+       status = "disabled";
+};
+&combphy0_ps {pinctrl-names = "default";
-       pinctrl-0 = <&sata0_pm_reset>;
+       //pinctrl-0 = <&sata0_pm_reset>;status = "disabled";};&combphy1_ps {pinctrl-names = "default";
-       pinctrl-0 = <&sata1_pm_reset>;
-       status = "disabled";
+       //pinctrl-0 = <&sata1_pm_reset>;
+       status = "okay";};&combphy2_psu {
-       status = "okay";
+       status = "disabled";};&dp0 {
@@ -475,6 +498,7 @@};&pcie30phy {
+       rockchip,pcie30-phymode = <PHY_MODE_PCIE_AGGREGATION>;status = "okay";};diff --git a/arch/arm64/configs/rockchip_linux_defconfig b/arch/arm64/configs/rockchip_linux_defconfig
index 54d2d56a68eb..db5fdc8f6d1a 100644
--- a/arch/arm64/configs/rockchip_linux_defconfig
+++ b/arch/arm64/configs/rockchip_linux_defconfig
@@ -1,3 +1,4 @@
+CONFIG_R8169=yCONFIG_VIDEO_ROCKCHIP_HDMIRX=yCONFIG_DEFAULT_HOSTNAME="localhost"CONFIG_SYSVIPC=y

查看pcie设备的pid和vid：

cat /sys/bus/pci/devices/0002\:21\:00.0/uevent 
DRIVER=r8169
PCI_CLASS=20000
PCI_ID=10EC:8125
PCI_SUBSYS_ID=10EC:8125
PCI_SLOT_NAME=0002:21:00.0
MODALIAS=pci:v000010ECd00008125sv000010ECsd00008125bc02sc00i00