linux-kernel - Re: [PATCH net-next] net: phy: dp83869: support mii mode when rgmii strap cfg is used

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Message-ID: <2550fd50-3caf-4155-b6fd-bbdd6c9c1b72@lunn.ch>
Date:   Tue, 9 May 2023 04:21:16 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Siddharth Vadapalli <s-vadapalli@...com>
Cc:     hkallweit1@...il.com, linux@...linux.org.uk, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, srk@...com
Subject: Re: [PATCH net-next] net: phy: dp83869: support mii mode when rgmii
 strap cfg is used

On Mon, May 08, 2023 at 12:33:59PM +0530, Siddharth Vadapalli wrote:
> From: Grygorii Strashko <grygorii.strashko@...com>
> 
> The DP83869 PHY on TI's k3-am642-evm supports both MII and RGMII
> interfaces and is configured by default to use RGMII interface (strap).
> However, the board design allows switching dynamically to MII interface
> for testing purposes by applying different set of pinmuxes.
> 
> To support switching to MII interface, update the DP83869 PHY driver to
> configure OP_MODE_DECODE.RGMII_MII_SEL(bit 5) properly when MII PHY
> interface mode is requested.
> 
> Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
> Signed-off-by: Siddharth Vadapalli <s-vadapalli@...com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew