linux-kernel - Re: [PATCH net-next v2 1/2] net: phy: micrel.c: add rgmii interface delay possibility to ksz9131

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Date:   Sun, 29 Mar 2020 21:44:36 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     philippe.schenker@...adex.com
Cc:     andrew@...n.ch, f.fainelli@...il.com, hkallweit1@...il.com,
        linux@...linux.org.uk, netdev@...r.kernel.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org, shawnguo@...nel.org,
        mark.rutland@....com, linux-kernel@...r.kernel.org,
        silvan.murer@...il.com, a.fatoum@...gutronix.de,
        s.hauer@...gutronix.de, o.rempel@...gutronix.de
Subject: Re: [PATCH net-next v2 1/2] net: phy: micrel.c: add rgmii
 interface delay possibility to ksz9131

From: Philippe Schenker <philippe.schenker@...adex.com>
Date: Wed, 25 Mar 2020 18:34:24 +0100

> The KSZ9131 provides DLL controlled delays on RXC and TXC lines. This
> patch makes use of those delays. The information which delays should
> be enabled or disabled comes from the interface names, documented in
> ethernet-controller.yaml:
> 
> rgmii:      Disable RXC and TXC delays
> rgmii-id:   Enable RXC and TXC delays
> rgmii-txid: Enable only TXC delay, disable RXC delay
> rgmii-rxid: Enable onlx RXC delay, disable TXC delay
> 
> Signed-off-by: Philippe Schenker <philippe.schenker@...adex.com>

Applied.