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From: rentao.bupt@gmail.com
To: Rob Herring <robh+dt@kernel.org>, Joel Stanley <joel@jms.id.au>,
	Andrew Jeffery <andrew@aj.id.au>,
	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 <rentao.bupt@gmail.com>
Subject: [PATCH] ARM: dts: aspeed: cloudripper: Add comments for "mdio1"
Date: Thu, 12 Aug 2021 23:19:00 -0700	[thread overview]
Message-ID: <20210813061900.24539-1-rentao.bupt@gmail.com> (raw)

From: Tao Ren <rentao.bupt@gmail.com>

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 <rentao.bupt@gmail.com>
---
 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";
 };
-- 
2.17.1


             reply	other threads:[~2021-08-13  6:19 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-13  6:19 rentao.bupt [this message]
2021-08-17  8:21 ` Joel Stanley

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