linux-kernel - Re: [PATCH] ARM: dts: sun8i: h3: orangepi-plus: Fix Ethernet PHY mode

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Message-ID: <2006991.bPDHmd0WOD@kista>
Date:   Mon, 08 Feb 2021 12:27:45 +0100
From:   Jernej Škrabec <jernej.skrabec@...l.net>
To:     Chen-Yu Tsai <wens@...nel.org>, Maxime Ripard <mripard@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "B.R. Oake" <broake@...lfence.com>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...glegroups.com, devicetree@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: sun8i: h3: orangepi-plus: Fix Ethernet PHY mode

Dne ponedeljek, 08. februar 2021 ob 12:24:57 CET je B.R. Oake napisal(a):
> Since commit bbc4d71d6354 ("net: phy: realtek: fix rtl8211e rx/tx
> delay config"), Ethernet no longer works on the Orange Pi Plus,
> because that commit sets the RX/TX delay according to the phy-mode
> property in the device tree, which is "rgmii", the wrong setting
> for this board.
> 
> Following the example of others who fixed the same problem for
> many other boards, this patch changes the phy-mode to "rgmii-id"
> which gets Ethernet working again on this board.
> 
> Fixes: 4904337fe34f ("ARM: dts: sunxi: Restore EMAC changes (boards)")
> Fixes: 1dcd0095019a ("ARM: sun8i: orangepi-plus: Enable dwmac-sun8i")
> Signed-off-by: B.R. Oake <broake@...lfence.com>
> ---
>  arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Reviewed-by: Jernej Skrabec <jernej.skrabec@...l.net>

Thanks!

Best regards,
Jernej

> diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts b/arch/arm/boot/
dts/sun8i-h3-orangepi-plus.dts
> index 97f497854e..d05fa679dc 100644
> --- a/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts
> +++ b/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts
> @@ -85,7 +85,7 @@
>  	pinctrl-0 = <&emac_rgmii_pins>;
>  	phy-supply = <&reg_gmac_3v3>;
>  	phy-handle = <&ext_rgmii_phy>;
> -	phy-mode = "rgmii";
> +	phy-mode = "rgmii-id";
>  
>  	status = "okay";
>  };
> -- 
> 2.20.1
> 
>