From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Lunn <andrew@lunn.ch>
Date: Sat, 14 Aug 2021 17:26:55 +0200
Subject: [PATCH v2 4/6] ARM: dts: aspeed: Add Facebook Cloudripper
 (AST2600) BMC
In-Reply-To: <20210814052228.GA1298@taoren-ubuntu-R90MNF91>
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> Thanks for jumping in. We are using BCM5389 and the MDIO bus is used to
> access BCM5389 MDC/MDIO interface in Pseudo-PHY mode.
> 
> I didn't know drivers/net/dsa, but let me check out the drivers and see
> if it works in the Cloudripper environment.

The b53 driver knows about this switch, so please make use of that
driver. See Documentation/devicetree/bindings/net/dsa/brcm,b53.yaml
for how you describe it in DT.

    Andrew