From: Tao Ren <rentao.bupt@xxxxxxxxx> 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@xxxxxxxxx> --- 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