From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A1E33C4332F for ; Mon, 28 Nov 2022 08:48:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229957AbiK1Ir7 (ORCPT ); Mon, 28 Nov 2022 03:47:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55934 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229696AbiK1Irz (ORCPT ); Mon, 28 Nov 2022 03:47:55 -0500 Received: from mail.steuer-voss.de (mail.steuer-voss.de [85.183.69.95]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7B89965EB; Mon, 28 Nov 2022 00:47:53 -0800 (PST) X-Virus-Scanned: Debian amavisd-new at mail.steuer-voss.de Received: by mail.steuer-voss.de (Postfix, from userid 1000) id 5F10D1D73; Mon, 28 Nov 2022 09:47:49 +0100 (CET) From: Nikolaus Voss To: Srinivas Kandagatla , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Krzysztof Kozlowski , Rob Herring , nv@vosn.de Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Date: Wed, 2 Nov 2022 15:27:19 +0100 Subject: [PATCH 2/2] imx6qdl.dtsi: use MAC-address from nvmem Message-Id: <20221128084749.5F10D1D73@mail.steuer-voss.de> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org IMX6QDL has fuse locations specified for storing the MAC for the built-in ethernet (Table 5-8 in Reference Manual). Define the fuse location in ocotp and refer to them in fec-ethernet. If the cells are not flashed, the driver behavior is unchanged, i.e. other MAC sources will be probed and a random MAC will be used as a last resort. Signed-off-by: Nikolaus Voss --- arch/arm/boot/dts/imx6qdl.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi index 4f7fefc14d0ac..7449d554ef1aa 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -1053,6 +1053,8 @@ fec: ethernet@2188000 { <&clks IMX6QDL_CLK_ENET_REF>; clock-names = "ipg", "ahb", "ptp", "enet_out"; fsl,stop-mode = <&gpr 0x34 27>; + nvmem-cells = <&fec_mac_addr>; + nvmem-cell-names = "mac-address"; status = "disabled"; }; @@ -1186,6 +1188,10 @@ tempmon_calib: calib@38 { tempmon_temp_grade: temp-grade@20 { reg = <0x20 4>; }; + + fec_mac_addr: mac-addr@88 { + reg = <0x88 6>; + }; }; tzasc@21d0000 { /* TZASC1 */ -- 2.34.1