[PATCH] ARM: dts: BCM5301X: N18U: add nvram node
From: Rosen Penev
Date: Fri Sep 11 2026 - 16:36:25 EST
Add it and set MAC for gmac2, to avoid having to handle in userspaace.
nvram size found from a random bootlog online.
Signed-off-by: Rosen Penev <rosenp@xxxxxxxxx>
---
v2: set gmac2 instead.
.../boot/dts/broadcom/bcm47081-asus-rt-n18u.dts | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm/boot/dts/broadcom/bcm47081-asus-rt-n18u.dts b/arch/arm/boot/dts/broadcom/bcm47081-asus-rt-n18u.dts
index 3854db0118a9..5874e6b606de 100644
--- a/arch/arm/boot/dts/broadcom/bcm47081-asus-rt-n18u.dts
+++ b/arch/arm/boot/dts/broadcom/bcm47081-asus-rt-n18u.dts
@@ -25,6 +25,15 @@ memory@0 {
<0x88000000 0x08000000>;
};
+ nvram@1c080000 {
+ compatible = "brcm,nvram";
+ reg = <0x1c080000 0x180000>;
+
+ et0macaddr: et0macaddr {
+ #nvmem-cell-cells = <1>;
+ };
+ };
+
leds {
compatible = "gpio-leds";
@@ -77,3 +86,8 @@ button-wps {
&usb3_phy {
status = "okay";
};
+
+&gmac2 {
+ nvmem-cells = <&et0macaddr 0>;
+ nvmem-cell-names = "mac-address";
+};
--
2.55.0