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[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 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 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" 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"; };