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Fri, 11 Sep 2026 13:33:26 -0700 (PDT) Received: from ryzen.lan ([2601:644:8000:7a86::e35]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39d9b2a8076sm1879699a91.1.2026.09.11.13.33.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Sep 2026 13:33:26 -0700 (PDT) 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: [PATCH] ARM: dts: BCM5301X: N18U: add nvram node Date: Fri, 11 Sep 2026 13:33:24 -0700 Message-ID: <20260911203324.104422-1-rosenp@gmail.com> X-Mailer: git-send-email 2.55.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260911_133327_727926_712232C2 X-CRM114-Status: GOOD ( 10.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 --- 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