ARM: dts: aspeed: cloudripper: Add comments for "mdio1"

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>
Link: https://lore.kernel.org/r/20210813061900.24539-1-rentao.bupt@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>

diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-cloudripper.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-cloudripper.dts
index 01ec3ce0a29d21fdc6ce773f2ca17ca2eed80381..9c6271a17ae8506a60197a684359513fb3e321e3 100644 (file)
--- 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";
 };