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 X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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=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 3291BC48BCD for ; Thu, 10 Jun 2021 09:15:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 14BFE61403 for ; Thu, 10 Jun 2021 09:15:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230311AbhFJJRD (ORCPT ); Thu, 10 Jun 2021 05:17:03 -0400 Received: from mail-il1-f169.google.com ([209.85.166.169]:38497 "EHLO mail-il1-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229935AbhFJJRD (ORCPT ); Thu, 10 Jun 2021 05:17:03 -0400 Received: by mail-il1-f169.google.com with SMTP id d1so1154213ils.5; Thu, 10 Jun 2021 02:15:07 -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=S/78X0f7LqdRdmPi/tp9TPrXzFkLBCtxmrNk3TI2dNQ=; b=W2Jm6lywEn6eiUCl9Zb+34ejPk2vXPHjqkTN6IqUT09FJpJmNUPd0NfZzqphFg75sG 472bLe5QXynhuYVpUIEWi7fiooWU+xfgJlX7IrZ7C5PY+Uu3shpgyhOt/Rz/IEjckAWL 9wvjCSru43LYaEXN4TblGDcR9RGq9xBRiqT75ywHBX1+HpAJFq1vAPZLnwwAmK45yCVz Wfum08TntgRmlpslTBnDoSTaAN9fVIyma07r4dqFA+8NjCCPP8PswOfcwxRE629qFko0 G4y1Y6dzSDH1DxB+xa8Et6hmIueD2l6e7NlgqVnfy2D+jaYNL9SSFdMICunh5QFeq8+B wLgw== 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=S/78X0f7LqdRdmPi/tp9TPrXzFkLBCtxmrNk3TI2dNQ=; b=fms5r30QxX2nIS9Bm2IkvJym3hFZ3GpWN7B6M4mV3ymUXtqIc+tpMzn9V5a0c3I0cO q4gSgbPZQx8K5IbC0+00SICtVloR6szHksC/ElYit8i3+lMaO86ZBpYvt5rOmoRSHyIx 696xlUKp8qhlgroEx8c5FsV/+yQ0MtSH7akLCjpCDsDQJr8K0XFdYwLmWdEGGL1EiFUA ElUv1zaADN7UuD6DX8f/WT3uE7hECX2q4SCdUAnk1+8qSKYf+fv/pawwubhcnaKYOZHX rN6p9puWSJLSrfC1EGsZ5zGNsmmmH6T5Ac+RwzuPwmQbLJghhsxVmIP/Hv3v1k5FnpRQ aMTw== X-Gm-Message-State: AOAM531QzaUAcRJgsMlCs4TJf7c3NBJcHFRhp/68pXpQFIlcJL4C8AJe 6FJvIgM9QL6qxTXD7nqk4Gg= X-Google-Smtp-Source: ABdhPJzYSfbe3hWJjYplEeAqz67k/aL8GarfKYOygb1YS3OgVA/VJNIHW2BrKjAJ6NQPA8jI4HE8Ug== X-Received: by 2002:a92:cf0a:: with SMTP id c10mr3094498ilo.97.1623316446966; Thu, 10 Jun 2021 02:14:06 -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 e14sm1398266ile.2.2021.06.10.02.14.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Jun 2021 02:14:06 -0700 (PDT) From: Tianling Shen To: Rob Herring , Heiko Stuebner , Tianling Shen , Pavel Machek , Marty Jones , Jensen Huang , 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 v2] arm64: dts: rockchip: add EEPROM node for NanoPi R4S Date: Thu, 10 Jun 2021 17:13:57 +0800 Message-Id: <20210610091357.6780-1-cnsztl@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org NanoPi R4S has a EEPROM attached to the 2nd I2C bus (U92), which stores the MAC address. 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 | 18 ++++++++++++++++++ 1 file changed, 18 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..50d3b11eb925 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts @@ -68,6 +68,24 @@ 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>; + + mac_address: mac-address@fa { + reg = <0xfa 0x06>; + }; + }; +}; + &i2c4 { status = "disabled"; }; -- 2.17.1