Re: [PATCH] ARM: dts: sun7i: pcduino3-nano: enable RGMII RX/TX delay on PHY

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On Mon, Nov 23, 2020 at 05:47:39PM +0000, Adam Sampson wrote:
> The RX/TX delays for the Ethernet PHY on the Linksprite pcDuino 3 Nano
> are configured in hardware, using resistors that are populated to pull
> the RTL8211E's RXDLY/TXDLY pins low or high as needed.
> 
> phy-mode should be set to rgmii-id to reflect this. Previously it was
> set to rgmii, which used to work but now results in the delays being
> disabled again as a result of the bugfix in commit bbc4d71d6354 ("net:
> phy: realtek: fix rtl8211e rx/tx delay config").
> 
> Tested on two pcDuino 3 Nano boards purchased in 2015. Without this fix,
> Ethernet works unreliably on one board and doesn't work at all on the
> other.
> 
> Fixes: 061035d456c9 ("ARM: dts: sun7i: Add dts file for pcDuino 3 Nano board")
> Signed-off-by: Adam Sampson <ats@xxxxxxxxx>
> Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
> Acked-by: Chen-Yu Tsai <wens@xxxxxxxx>

Applied, thanks
Maxime

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