From patchwork Sat Feb 22 10:25:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "H. Nikolaus Schaller" X-Patchwork-Id: 204434 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9F533C35666 for ; Sat, 22 Feb 2020 10:26:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 76E8F208C4 for ; Sat, 22 Feb 2020 10:26:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=goldelico.com header.i=@goldelico.com header.b="N4w343kE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727148AbgBVK0B (ORCPT ); Sat, 22 Feb 2020 05:26:01 -0500 Received: from mo4-p03-ob.smtp.rzone.de ([85.215.255.101]:16511 "EHLO mo4-p03-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726794AbgBVK0B (ORCPT ); Sat, 22 Feb 2020 05:26:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1582367158; s=strato-dkim-0002; d=goldelico.com; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=ex+tP/S3jJM/1n8mzovxtL99ooZIHpji+z8Ck9o3ixM=; b=N4w343kENoioT8Zh9eiIb/W69ahujIM+joZhXM2rLO1Z3gIiPlXsSCqYjJBKabLnlw h5GUKDQGQbpOtm8W83TEDMn8wgvVEReM3SMg1453tnRZTneVSh1NK2gxjxg05odniiot ivthAYIAd7SX7qWBwmxZwzTibZMtVdjJQVfG922muChI/CDFhDFyR4MKNexi1ryBAO3X OIpeL3KJMHlz9q4CWWujjE9Kx39GRXnhoWEz/E/ebwCsLldJRCNGEhGvjkKIp46cxKdh Zhuq2b2FOWxIko91F4IL2OhmEMlzT5wNAkhKMgME4zbdKUKC9YZTU47N/O0K0RaPUnt9 Vr8Q== X-RZG-AUTH: ":JGIXVUS7cutRB/49FwqZ7WcJeFKiMhflhwDubTJ9o12DNOsPj0pAz7pC6Q5M" X-RZG-CLASS-ID: mo00 Received: from iMac.fritz.box by smtp.strato.de (RZmta 46.1.12 DYNA|AUTH) with ESMTPSA id U06217w1MAPljMg (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Sat, 22 Feb 2020 11:25:47 +0100 (CET) From: "H. Nikolaus Schaller" To: PrasannaKumar Muralidharan , Andreas Kemnade , Paul Cercueil , Mathieu Malaterre , Srinivas Kandagatla , Rob Herring , Mark Rutland , Ralf Baechle , Paul Burton , Mauro Carvalho Chehab , "David S. Miller" , Greg Kroah-Hartman , Jonathan Cameron , "H. Nikolaus Schaller" , Krzysztof Kozlowski , Kees Cook , Andi Kleen , Geert Uytterhoeven Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-mips@vger.kernel.org, letux-kernel@openphoenux.org, kernel@pyra-handheld.com Subject: [PATCH v5 6/6] MIPS: DTS: CI20: make DM9000 Ethernet controller use NVMEM to find the default MAC address Date: Sat, 22 Feb 2020 11:25:41 +0100 Message-Id: X-Mailer: git-send-email 2.23.0 In-Reply-To: References: MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org There is a unique MAC address programmed into the eFuses of the JZ4780 chip in the CI20 factory. By using this for initializing the DM9000 Ethernet controller, every CI20 board has an individual - but stable - MAC address and DHCP can assign stable IP addresses. Signed-off-by: H. Nikolaus Schaller --- arch/mips/boot/dts/ingenic/ci20.dts | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts index 37b93166bf22..6dc1f9eeff00 100644 --- a/arch/mips/boot/dts/ingenic/ci20.dts +++ b/arch/mips/boot/dts/ingenic/ci20.dts @@ -355,6 +355,9 @@ interrupt-parent = <&gpe>; interrupts = <19 4>; + + nvmem-cells = <ð0_addr>; + nvmem-cell-names = "mac-address"; }; };