From patchwork Fri Aug 13 06:19:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tao Ren X-Patchwork-Id: 497215 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=-15.7 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=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 1C4B3C4338F for ; Fri, 13 Aug 2021 06:19:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F37DF6109E for ; Fri, 13 Aug 2021 06:19:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238666AbhHMGTg (ORCPT ); Fri, 13 Aug 2021 02:19:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36762 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238646AbhHMGTg (ORCPT ); Fri, 13 Aug 2021 02:19:36 -0400 Received: from mail-pj1-x1032.google.com (mail-pj1-x1032.google.com [IPv6:2607:f8b0:4864:20::1032]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5869CC061756; Thu, 12 Aug 2021 23:19:10 -0700 (PDT) Received: by mail-pj1-x1032.google.com with SMTP id j1so13842152pjv.3; Thu, 12 Aug 2021 23:19:10 -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; bh=4kXF8rjOaeUla0M3rXpxWrQcPuqS5qE0SGdfEVWI3rM=; b=uZvcZZqIFNj0oDqsoh2+Z3ZzkR7lRij4WGZUrHX0lYsxzbb4EBVP8bKG0BiC8ygjq1 Adp+InWlnHZS6RdBUnehs469ZSr5pudW7hxw7lamtm0TUcs3OrFTVy3fsAzYNd9FXKQ/ M56bfvRMRULEu9HhXdtfaY4E/ajsWLcwRlBRcclajQB3iOkCo2aMT+p08YeSwpUkBSYx VYA6on8qRoL+ovuErmO+p0+jBxp0Sh4Gqsqec7DOhp9XOMB/dIDOx543fib9cjADRvmm 33re47tEnRLsqYEqaWbD8iWsqzAR+b+IBRbZwJSss3u5VFzSC/3l9WXWFhm47OWE8vmE 7veQ== 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; bh=4kXF8rjOaeUla0M3rXpxWrQcPuqS5qE0SGdfEVWI3rM=; b=HMZiLf76I6fxQYJuhaOYmKzHCY9mvESqFRmU8zdLuJX/WHc6rzOr3JK/Cgfu91rtKM 044feuukentnhggwM5KjfIJWBbdF2/AgLdBEKNa4Y96IqAhXjpwaAVPngYOqELN6rA0A SsHoVOhX2tr93IilaQby1c0B9DRq77HKp7JJ5mE1KmQ8eOV2gsGpyntzjc1cOJXFe107 tmrEcsROL83+prfErAi6wvOCe9OwwVIfa0fiv/7x0R/Q8Q1QLjTaukUnX8BdP4kQGf/7 PQ5ledwmejeEF5CGEFU8Mv/W/uIg7PqAruY7yaVEhovj6U2w0eUxQHLN7Vw4JpC6b7Xr tVaQ== X-Gm-Message-State: AOAM532EEI4mW2nSP3XKW6yaA+x+LxMGZo9L8x66lgXJ5+q2On22gX2R iS6RaivSeXv6GTft43f7nhs= X-Google-Smtp-Source: ABdhPJxH82ZJV9xD4x1exd/C7JijJWwsA0z4BAdmdDdiEerjGXqcQmOLUV7Y6pZUmASz/wyXv71Q9g== X-Received: by 2002:aa7:870e:0:b029:3c2:f326:468b with SMTP id b14-20020aa7870e0000b02903c2f326468bmr999709pfo.53.1628835549694; Thu, 12 Aug 2021 23:19:09 -0700 (PDT) Received: from taoren-ubuntu-R90MNF91.thefacebook.com (c-73-92-48-112.hsd1.ca.comcast.net. [73.92.48.112]) by smtp.gmail.com with ESMTPSA id f9sm733196pjq.36.2021.08.12.23.19.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Aug 2021 23:19:09 -0700 (PDT) From: rentao.bupt@gmail.com To: Rob Herring , Joel Stanley , Andrew Jeffery , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org, taoren@fb.com Cc: Tao Ren Subject: [PATCH] ARM: dts: aspeed: cloudripper: Add comments for "mdio1" Date: Thu, 12 Aug 2021 23:19:00 -0700 Message-Id: <20210813061900.24539-1-rentao.bupt@gmail.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Tao Ren Add some comments to explain the purpose of "mdio1" controller: it's connected to the MDC/MDIO interface of the on-board management switch. Signed-off-by: Tao Ren --- arch/arm/boot/dts/aspeed-bmc-facebook-cloudripper.dts | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-cloudripper.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-cloudripper.dts index 01ec3ce0a29d..9c6271a17ae8 100644 --- a/arch/arm/boot/dts/aspeed-bmc-facebook-cloudripper.dts +++ b/arch/arm/boot/dts/aspeed-bmc-facebook-cloudripper.dts @@ -96,6 +96,11 @@ status = "okay"; }; +/* + * "mdio1" is connected to the MDC/MDIO interface of the on-board + * management switch (whose ports are connected to BMC, Host and front + * panel ethernet port). + */ &mdio1 { status = "okay"; };