netdev - Re: [PATCH V2 net-next 2/2] net: bgmac: support MDIO described in DT

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Message-ID: <088acbaf-8f9e-6895-d1e9-2382803deb80@gmail.com>
Date:   Tue, 5 Oct 2021 18:49:28 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Rafał Miłecki <zajec5@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com,
        Rafał Miłecki <rafal@...ecki.pl>
Subject: Re: [PATCH V2 net-next 2/2] net: bgmac: support MDIO described in DT



On 10/2/2021 10:58 AM, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@...ecki.pl>
> 
> Check ethernet controller DT node for "mdio" subnode and use it with
> of_mdiobus_register() when present. That allows specifying MDIO and its
> PHY devices in a standard DT based way.
> 
> This is required for BCM53573 SoC support. That family is sometimes
> called Northstar (by marketing?) but is quite different from it. It uses
> different CPU(s) and many different hw blocks.
> 
> One of shared blocks in BCM53573 is Ethernet controller. Switch however
> is not SRAB accessible (as it Northstar) but is MDIO attached.
> 
> Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>

Reviewed-y: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian