linux-kernel - [PATCH] ARM: dts: meraki-mr26: set mac address for gmac0

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Message-ID: <20241021015147.172700-1-rosenp@gmail.com>
Date: Sun, 20 Oct 2024 18:51:47 -0700
From: Rosen Penev <rosenp@...il.com>
To: devicetree@...r.kernel.org
Cc: Florian Fainelli <florian.fainelli@...adcom.com>,
	Hauke Mehrtens <hauke@...ke-m.de>,
	Rafał Miłecki <zajec5@...il.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM BCM5301X ARM ARCHITECTURE),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] ARM: dts: meraki-mr26: set mac address for gmac0

Currently this needs to be done in userspace.

Signed-off-by: Rosen Penev <rosenp@...il.com>
---
 .../dts/broadcom/bcm53015-meraki-mr26.dts     | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/broadcom/bcm53015-meraki-mr26.dts b/arch/arm/boot/dts/broadcom/bcm53015-meraki-mr26.dts
index 0bf5106f7012..08abfdc63d18 100644
--- a/arch/arm/boot/dts/broadcom/bcm53015-meraki-mr26.dts
+++ b/arch/arm/boot/dts/broadcom/bcm53015-meraki-mr26.dts
@@ -59,6 +59,9 @@ &uart1 {
 
 &gmac0 {
 	status = "okay";
+
+	nvmem-cells = <&macaddr_board_config_66>;
+	nvmem-cell-names = "mac-address";
 };
 
 &gmac1 {
@@ -102,8 +105,25 @@ partition@...000 {
 		};
 
 		partition@...000 {
+			compatible = "linux,ubi";
 			label = "ubi";
 			reg = <0x800000 0x7780000>;
+
+			volumes {
+				ubi-volume-board-config {
+					volname = "board-config";
+
+					nvmem-layout {
+						compatible = "fixed-layout";
+						#address-cells = <1>;
+						#size-cells = <1>;
+
+						macaddr_board_config_66: macaddr@66 {
+							reg = <0x66 0x6>;
+						};
+					};
+				};
+			};
 		};
 	};
 };
-- 
2.47.0