* [PATCH] ARM: dts: BCM5301X: N18U: add nvram node
@ 2026-09-10 0:12 Rosen Penev
0 siblings, 0 replies; 2+ messages in thread
From: Rosen Penev @ 2026-09-10 0:12 UTC (permalink / raw)
To: devicetree
Cc: Florian Fainelli, Hauke Mehrtens, Rafał Miłecki,
Broadcom internal kernel review list, Rob Herring,
Krzysztof Kozlowski, Conor Dooley,
moderated list:BROADCOM BCM5301X ARM ARCHITECTURE, open list
Add it and set for gmac0, which is the only GMAC used on this board.
nvram size found from a random bootlog online.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
.../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..82f9fb431a92 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";
};
+
+&gmac0 {
+ nvmem-cells = <&et0macaddr 0>;
+ nvmem-cell-names = "mac-address";
+};
--
2.55.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] ARM: dts: BCM5301X: N18U: add nvram node
@ 2026-09-11 20:33 Rosen Penev
0 siblings, 0 replies; 2+ messages in thread
From: Rosen Penev @ 2026-09-11 20:33 UTC (permalink / raw)
To: devicetree
Cc: Florian Fainelli, Hauke Mehrtens, Rafał Miłecki,
Broadcom internal kernel review list, Rob Herring,
Krzysztof Kozlowski, Conor Dooley,
moderated list:BROADCOM BCM5301X ARM ARCHITECTURE, open list
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@gmail.com>
---
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
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