[PATCH] ARM: dts: sunxi: Banana Pi: increase startup-delay for the GMAC PHY regulator

Hans de Goede hdegoede at redhat.com
Sun Nov 9 13:05:26 PST 2014


Hi,

On 11/09/2014 02:28 PM, Karsten Merker wrote:
> On the LeMaker Banana Pi, probing the external ethernet PHY connected
> to the SoC's internal GMAC module sometimes fails.  The PHY power
> supply is handled via a GPIO-controlled regulator, and the existing
> regulator startup-delay of 50000us is too short to make sure that the
> PHY is always fully powered up when it is queried by phylib.  To
> guarantee a reliable PHY detection, the startup-delay has to be
> increased to 60000us.

We should probably just increase it to 100000us to be safe, otherwise:

Acked-by: Hans de Goede <hdegoede at redhat.com>

Regards,

Hans



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