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Wed, 25 Feb 2026 15:08:47 -0800 (PST) From: Rosen Penev To: devicetree@vger.kernel.org Cc: Florian Fainelli , Hauke Mehrtens , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , Broadcom internal kernel review list , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM5301X ARM ARCHITECTURE), linux-kernel@vger.kernel.org (open list) Subject: [PATCHv2 1/4] ARM: dts: BCM5301X: EA9200: set WAN MAC from nvram Date: Wed, 25 Feb 2026 15:08:24 -0800 Message-ID: <20260225230827.21715-2-rosenp@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260225230827.21715-1-rosenp@gmail.com> References: <20260225230827.21715-1-rosenp@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The MAC address from the stock firmare is offset by 1. Define it properly to avoid having to override it in userspace. Signed-off-by: Rosen Penev --- arch/arm/boot/dts/broadcom/bcm4709-linksys-ea9200.dts | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/boot/dts/broadcom/bcm4709-linksys-ea9200.dts b/arch/a= rm/boot/dts/broadcom/bcm4709-linksys-ea9200.dts index 2ba5adf2b7e7..7c6ad7787945 100644 --- a/arch/arm/boot/dts/broadcom/bcm4709-linksys-ea9200.dts +++ b/arch/arm/boot/dts/broadcom/bcm4709-linksys-ea9200.dts @@ -25,6 +25,10 @@ memory@0 { nvram@1c080000 { compatible =3D "brcm,nvram"; reg =3D <0x1c080000 0x180000>; + + et2macaddr: et2macaddr { + #nvmem-cell-cells =3D <1>; + }; }; =20 gpio-keys { @@ -70,6 +74,9 @@ port@3 { =20 port@4 { label =3D "wan"; + + nvmem-cells =3D <&et2macaddr 1>; + nvmem-cell-names =3D "mac-address"; }; =20 port@5 { --=20 2.53.0 From nobody Tue Apr 7 14:03:42 2026 Received: from mail-pl1-f177.google.com (mail-pl1-f177.google.com [209.85.214.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DDBF0374751 for ; 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charset="utf-8" The MAC address from the stock firmare is offset by 1. Define it properly to avoid having to override it in userspace. Signed-off-by: Rosen Penev --- arch/arm/boot/dts/broadcom/bcm47094-linksys-panamera.dts | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/boot/dts/broadcom/bcm47094-linksys-panamera.dts b/arc= h/arm/boot/dts/broadcom/bcm47094-linksys-panamera.dts index 2b5c80d835e9..74161b76008a 100644 --- a/arch/arm/boot/dts/broadcom/bcm47094-linksys-panamera.dts +++ b/arch/arm/boot/dts/broadcom/bcm47094-linksys-panamera.dts @@ -25,6 +25,10 @@ memory@0 { nvram@1c080000 { compatible =3D "brcm,nvram"; reg =3D <0x1c080000 0x100000>; + + et2macaddr: et2macaddr { + #nvmem-cell-cells =3D <1>; + }; }; =20 gpio-keys { @@ -230,6 +234,9 @@ port@3 { =20 port@4 { label =3D "wan"; + + nvmem-cells =3D <&et2macaddr 1>; + nvmem-cell-names =3D "mac-address"; }; =20 port@5 { --=20 2.53.0 From nobody Tue Apr 7 14:03:42 2026 Received: from mail-pl1-f178.google.com (mail-pl1-f178.google.com [209.85.214.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 428FB376BFF for ; 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charset="utf-8" The WAN MAC is offset by 1. Set it to avoid having to do so in userspace. Signed-off-by: Rosen Penev --- arch/arm/boot/dts/broadcom/bcm47094-asus-rt-ac3100.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/boot/dts/broadcom/bcm47094-asus-rt-ac3100.dtsi b/arch= /arm/boot/dts/broadcom/bcm47094-asus-rt-ac3100.dtsi index 2cfaaabc7a6a..2d2e7e581291 100644 --- a/arch/arm/boot/dts/broadcom/bcm47094-asus-rt-ac3100.dtsi +++ b/arch/arm/boot/dts/broadcom/bcm47094-asus-rt-ac3100.dtsi @@ -18,6 +18,10 @@ memory@0 { nvram@1c080000 { compatible =3D "brcm,nvram"; reg =3D <0x1c080000 0x00180000>; + + et0macaddr: et0macaddr { + #nvmem-cell-cells =3D <1>; + }; }; =20 gpio-keys { @@ -143,6 +147,9 @@ port@3 { =20 port@4 { label =3D "wan"; + + nvmem-cells =3D <&et0macaddr 1>; + nvmem-cell-names =3D "mac-address"; }; =20 port@5 { --=20 2.53.0 From nobody Tue Apr 7 14:03:42 2026 Received: from mail-pl1-f180.google.com (mail-pl1-f180.google.com [209.85.214.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6D9ED378D8F for ; 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Wed, 25 Feb 2026 15:08:52 -0800 (PST) Received: from ryzen ([2601:644:8000:56f5::8bd]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2adfb5b2309sm3378285ad.19.2026.02.25.15.08.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Feb 2026 15:08:51 -0800 (PST) From: Rosen Penev To: devicetree@vger.kernel.org Cc: Florian Fainelli , Hauke Mehrtens , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , Broadcom internal kernel review list , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM5301X ARM ARCHITECTURE), linux-kernel@vger.kernel.org (open list) Subject: [PATCHv2 4/4] ARM: dts: BCM5301X: AC5300: set WAN MAC from nvram Date: Wed, 25 Feb 2026 15:08:27 -0800 Message-ID: <20260225230827.21715-5-rosenp@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260225230827.21715-1-rosenp@gmail.com> References: <20260225230827.21715-1-rosenp@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The WAN MAC is offset by 1. Set in dts to avoid having to handle this in userspace. Signed-off-by: Rosen Penev --- arch/arm/boot/dts/broadcom/bcm47094-asus-rt-ac5300.dts | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/boot/dts/broadcom/bcm47094-asus-rt-ac5300.dts b/arch/= arm/boot/dts/broadcom/bcm47094-asus-rt-ac5300.dts index 01ec8c03686a..f7da8e58b8a0 100644 --- a/arch/arm/boot/dts/broadcom/bcm47094-asus-rt-ac5300.dts +++ b/arch/arm/boot/dts/broadcom/bcm47094-asus-rt-ac5300.dts @@ -127,6 +127,9 @@ &srab { ports { port@0 { label =3D "wan"; + + nvmem-cells =3D <&et0macaddr 1>; + nvmem-cell-names =3D "mac-address"; }; =20 port@1 { --=20 2.53.0