[openwrt/openwrt] realtek: switch Netgear RTL8380 devices to NVMEM

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/3bf55d8bd4eb04f14c39d666e85b778468e6c388

commit 3bf55d8bd4eb04f14c39d666e85b778468e6c388
Author: Jan Hoffmann <jan at 3e8.eu>
AuthorDate: Mon Feb 16 21:36:05 2026 +0100

    realtek: switch Netgear RTL8380 devices to NVMEM
    
    Use NVMEM in device tree to set the label and eth0 MAC address based on
    the U-Boot environment.
    
    Invididual port MAC addresses and bridge MAC are still handled in the
    02_network script to maintain the current assignment.
    
    Signed-off-by: Jan Hoffmann <jan at 3e8.eu>
    Link: https://github.com/openwrt/openwrt/pull/22055
    Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
---
 target/linux/realtek/base-files/etc/board.d/02_network | 10 +++++-----
 target/linux/realtek/dts/rtl8380_netgear_gigabit.dtsi  | 17 +++++++++++++++++
 2 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/target/linux/realtek/base-files/etc/board.d/02_network b/target/linux/realtek/base-files/etc/board.d/02_network
index 528ca4f342..1d1f3e733f 100644
--- a/target/linux/realtek/base-files/etc/board.d/02_network
+++ b/target/linux/realtek/base-files/etc/board.d/02_network
@@ -53,6 +53,11 @@ realtek_setup_macs()
 
 	case $board in
 	edgecore,ecs4100-12ph|\
+	netgear,gs108t-v3|\
+	netgear,gs110tpp-v1|\
+	netgear,gs110tup-v1|\
+	netgear,gs308t-v1|\
+	netgear,gs310tp-v1|\
 	tplink,sg2008p-v1|\
 	tplink,sg2210p-v3|\
 	tplink,sg2452p-v4|\
@@ -119,11 +124,6 @@ realtek_setup_macs()
 	linksys,lgs310c|\
 	linksys,lgs328c|\
 	linksys,lgs352c|\
-	netgear,gs108t-v3|\
-	netgear,gs110tpp-v1|\
-	netgear,gs110tup-v1|\
-	netgear,gs308t-v1|\
-	netgear,gs310tp-v1|\
 	netgear,gs750e|\
 	panasonic,m16eg-pn28160k|\
 	panasonic,m24eg-pn28240k|\
diff --git a/target/linux/realtek/dts/rtl8380_netgear_gigabit.dtsi b/target/linux/realtek/dts/rtl8380_netgear_gigabit.dtsi
index 662f8db652..cd48e2f14a 100644
--- a/target/linux/realtek/dts/rtl8380_netgear_gigabit.dtsi
+++ b/target/linux/realtek/dts/rtl8380_netgear_gigabit.dtsi
@@ -8,6 +8,10 @@
 / {
 	compatible = "realtek,rtl838x-soc";
 
+	aliases {
+		label-mac-device = &ethernet0;
+	};
+
 	memory at 0 {
 		device_type = "memory";
 		reg = <0x0 0x8000000>;
@@ -84,6 +88,14 @@
 			partition at e0000 {
 				label = "u-boot-env";
 				reg = <0x00e0000 0x0010000>;
+
+				nvmem-layout {
+					compatible = "u-boot,env";
+
+					macaddr_ubootenv_ethaddr: ethaddr {
+						#nvmem-cell-cells = <1>;
+					};
+				};
 			};
 
 			partition at f0000 {
@@ -118,6 +130,11 @@
 	};
 };
 
+&ethernet0 {
+	nvmem-cells = <&macaddr_ubootenv_ethaddr 0>;
+	nvmem-cell-names = "mac-address";
+};
+
 &switch0 {
 	ports {
 		#address-cells = <1>;