From patchwork Sun Jun 20 04:38:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tianling Shen X-Patchwork-Id: 12333263 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,URIBL_BLOCKED, 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 4E064C48BDF for ; Sun, 20 Jun 2021 04:43:47 +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 0F9D3611C1 for ; Sun, 20 Jun 2021 04:43:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0F9D3611C1 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=72OmRdYcPL8uoyd4uTnJDO6E3hjmkBDFiA67cw/D8Po=; b=JuYjIaA+JpafWJ fdi8zpLTXu2OSbAdT6dcQbulOMF17CZwrtGeYAzv1toXi18TzmaVA3LQZoiYcO2cPPBIgmN5ytqys q8JmkpzCc6/jwDwgXIGj3fNLTex45NtWG9UTjuqOP4ckpl7MQtTOlB0XKQAd3Jsx7ngffDtla9Cuk uJWJpkQVKZVFC564kx07stAy9cdUkQ25h0e7ICRhGscX1Oc7pcvpMLcQZPzdM+sDoaAyCqLGgXs9F XRAHzsCPn2YxFs4NVL7fFvS4NWYN4eMYfCsyqZZ1UkzgOG3cZyQOQubORo/O+gTCdH+BOzBClVbai lL0onQXDhJJqArXIF0Pg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lupHQ-000Sl4-0Y; Sun, 20 Jun 2021 04:41:56 +0000 Received: from mail-il1-x129.google.com ([2607:f8b0:4864:20::129]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lupHM-000SkI-3o; Sun, 20 Jun 2021 04:41:53 +0000 Received: by mail-il1-x129.google.com with SMTP id i12so12099226ila.13; Sat, 19 Jun 2021 21:41:51 -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=Auirp+Jz2MDqf2r2ES/YFzAEpckdtisnPPAwXVaOT6I=; b=bzIbyG1/szcELa5FlvFZ7lDJ7mZEJTyYKroe36+/wg/Z5p3ANQzmkY24pxniO1Idu3 EjahKNDs0VhsLKYv0+t1cslp0NY4q4z9WY3D/N8A4cC9UvPqdMLXPrDBvlBbSED9pKmn xNFO4V28msXevDqg14MgaklKXAZ1BGAE8I4Zl83yBqqHQ+ivZviZbwK++4v8RSDZxdah VVJgRpam0WSXArpDXO8YfPmGUl9osvajPPxowFk2QwW0/rfnWBPmz1MSFtjZPXMqW0eJ ji2Qpj1Wf4ouw9YnmP/ScZABBWt+T/2WAyxfehBryEEM2TOg2JwhST29SHb8SZ09iJmY 8mhA== 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=Auirp+Jz2MDqf2r2ES/YFzAEpckdtisnPPAwXVaOT6I=; b=RQKUMvUdJVCCJIdoJfBJcPwm+eSCC6H4uMuJiaRseBXDKWFYMZAOQFPQVFVK6Wy/yQ 0pfWu7ibeUZ7jEyPDx5BM/CRWg8i5g2QdbyQ6XAjiPX6BkL5GWTW7hrpWgHfPLAdJMIw gY5BNYDRt2AmCvVWMF/AMmhwm+wdvQPOiAccOB/OSLksdI97T+DJPp9J1tob89IHjSvL o9WJG0Q/GpsdMWR9v9QOUMKcsCmdPnwGljOwl0q8r3iGdL0K92nQkdX6/mjkY8DbygTn k80+d0ahRrVTmveiJDxRo65IMMHHyIgPU8T9XZVrC7PHzgl93scE0L4wzYv07goWaRiI n1yg== X-Gm-Message-State: AOAM531qRTWvtyopVT1a8AnTOoE9lYpQ4LSEBVmp0E1Xjvgc0QqpmUCr vGVESuAGQxQ/0eyHy6K7IJQ= X-Google-Smtp-Source: ABdhPJwPKiHyEjmmMj3lbeEi4CF8atUFyNoVJMemXd3iNN7/nXzETZtHCd2Bo9jdzMrVhGZRtELi/w== X-Received: by 2002:a05:6e02:524:: with SMTP id h4mr5653046ils.255.1624164111172; Sat, 19 Jun 2021 21:41:51 -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 a11sm7360909ioq.12.2021.06.19.21.41.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 19 Jun 2021 21:41:50 -0700 (PDT) From: Tianling Shen To: Rob Herring , Heiko Stuebner , Tianling Shen , Jensen Huang , Pavel Machek , Marty Jones , Chen-Yu Tsai Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3] arm64: dts: rockchip: add EEPROM node for NanoPi R4S Date: Sun, 20 Jun 2021 12:38:02 +0800 Message-Id: <20210620043802.6580-1-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-20210619_214152_203369_EF978351 X-CRM114-Status: GOOD ( 12.07 ) 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. Changes in v3: - Added address-cells and size-cells Changes in v2: - Added the size of EEPROM - Added `mac-address` cell to pass the MAC address to kernel - Removed `read-only` property in EEPROM node Signed-off-by: Tianling Shen --- .../boot/dts/rockchip/rk3399-nanopi-r4s.dts | 20 +++++++++++++++++++ 1 file changed, 20 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..2813c4a0378d 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts @@ -68,6 +68,26 @@ status = "disabled"; }; +&gmac { + nvmem-cells = <&mac_address>; + nvmem-cells-names = "mac-address"; +}; + +&i2c2 { + eeprom@51 { + compatible = "microchip,24c02", "atmel,24c02"; + reg = <0x51>; + pagesize = <16>; + size = <256>; + #address-cells = <1>; + #size-cells = <1>; + + mac_address: mac-address@fa { + reg = <0xfa 0x06>; + }; + }; +}; + &i2c4 { status = "disabled"; };