From patchwork Mon Jun 7 08:17:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tianling Shen X-Patchwork-Id: 12302803 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=-13.7 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 80FFCC47082 for ; Mon, 7 Jun 2021 08:20:13 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4632760FF1 for ; Mon, 7 Jun 2021 08:20:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4632760FF1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=7fddZu9+XCHXpXtPz+Xpu95ezRxGzpwnyAzqo5SdRdQ=; b=E64qjySA2vC50z Bq9KMKnYgi6/+KQTxKbpNSqNHdno8xi/0HZ1DBFOd4KkhO0jLQjWjR72PI0GW7zGs0CFXasM/FTYD hi90o6nTzeOnWsAzfs4uppGgOPvPTuefKHXLy+Y2+Q0+Sx+NLmlaCukkcJQkYBAlV+xiCdYm+nkKp C0ThRT3d/mR6gLTRg61/ujjs0qJqRJpYa1x9T3CWwKQcXTxHZ2hZp0xuFfdj6wrLN2j1b6fG09Fmz Y41urmxwFoHGOBlrcrL9QmGV/4275+mpIddNBcgkQ8oIbZGzI27QYDnRhdkG2+L2k8uiKry2Cmb+R r0KVx/7ilyei5NAFRqdw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqAT5-002Fi3-1C; Mon, 07 Jun 2021 08:18:43 +0000 Received: from mail-io1-f51.google.com ([209.85.166.51]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqASy-002Fel-Mm; Mon, 07 Jun 2021 08:18:40 +0000 Received: by mail-io1-f51.google.com with SMTP id k22so17427950ioa.9; Mon, 07 Jun 2021 01:18:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=czqKwG1LbZCbqfUJ6Cb3XGLmd8Y0lJGxTGZrfP4Cg5s=; b=N3stUPjGoubypJQgu04Oyf22jW/skTo5MTOFz6+4r5D8ssVlhgcy5hYj0Az3VXwL4T A+m36C1QCoQljTAHR+MRofkPqkBbYfvo3grr8CNdI3EoU28Whg3prHYYVnlC+/ewOJz2 MXqTuE5xqN5KEAsaEgIbCFVLH7tiIqhyFFinwzfUkHgmXmY3I1VuO5GhNxIt92lVB9E0 acS1QIlCQzuQh1aORBMmbN5IiZwhSLKmaH8skDcy+9lV4YvFgwp4qIMleD5D1rx03ENf kSsroitGGXS5KEHs5NUBfwQVww4+QMBzmvxb0wUDih0vB9ABvty8FpYxahKB6QVaNtzr nT7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=czqKwG1LbZCbqfUJ6Cb3XGLmd8Y0lJGxTGZrfP4Cg5s=; b=fAFihUMSE5XpDaE1RW2JDwQmMBZO41HrRR/i4zcRr09ro++sUugEL3weU4LTrMEuOj yXx5KEe1SO50RceWHHD4nn9YxwTylh5mYpdz7Ee9HH2UDVmC2LvRXSCEo9UI4U6O6GqT c0oNELjoKoqp5gwjUCWAxiwSOrsGG16e0EQgcN8KTRUvbXte21VXSqG1NqYtTI0ILu9z o7hN3kxcd1xqdqdEohsEwr4qvbYVu5SNoscnxROZlp5BQ6w99b3Rz490DnBniNqEH+s4 yTpBGBZ4sKnTJ1qwqX8uOHd3mTY/Yq+C9snJTL+19sLaA44c0eikv8/hAeCtYjqc9WZm SOlg== X-Gm-Message-State: AOAM532SBrhsHZ5fAkk61yw9i/xULZZ/p013Ksxj6ibqpyWA1xwjZia6 H1SrU+PI+cZWhERMx8Cb/ow= X-Google-Smtp-Source: ABdhPJz/1MBOkzpS7y6WmKk0MVpl+kk6nIuutlGTZhOsXT0acxa5zyI/XQl59SaKwe79Qw7azZ26kg== X-Received: by 2002:a02:9109:: with SMTP id a9mr15389804jag.93.1623053854155; Mon, 07 Jun 2021 01:17:34 -0700 (PDT) Received: from localhost.localdomain (tunnel525895-pt.tunnel.tserv15.lax1.ipv6.he.net. [2001:470:c:1200::2]) by smtp.googlemail.com with ESMTPSA id k9sm8416936ioa.13.2021.06.07.01.17.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 01:17:33 -0700 (PDT) From: Tianling Shen To: Rob Herring , Heiko Stuebner , Tianling Shen , Marty Jones , Pavel Machek Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] arm64: dts: rockchip: add EEPROM node for NanoPi R4S Date: Mon, 7 Jun 2021 16:17:27 +0800 Message-Id: <20210607081727.4723-1-cnsztl@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210607_011836_777365_AD2C12D2 X-CRM114-Status: GOOD ( 11.24 ) 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 NanoPi R4S has a EEPROM attached to the 2nd I2C bus (U92), which stores the MAC address. Signed-off-by: Tianling Shen --- arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts index cef4d18b599d..4a82f50a07c5 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts @@ -68,6 +68,15 @@ status = "disabled"; }; +&i2c2 { + eeprom@51 { + compatible = "microchip,24c02", "atmel,24c02"; + reg = <0x51>; + pagesize = <16>; + read-only; /* This holds our MAC */ + }; +}; + &i2c4 { status = "disabled"; };