Re: [PATCH v2 7/9] arm64: dts: rockchip: use generic Ethernet PHY reset bindings for Lunzn Fastrhino R68S

From: Chukun Pan
Date: Wed Jul 10 2024 - 10:07:53 EST


> what's the reason behind the changed timings?
>
> The original comment stated,
> /* Reset time is 15ms, 50ms for rtl8211f */
> so that timing change needs an explanation please :-)

I don't know why this comment says that, but it's clearly wrong.
According to the PHY datasheet, the RTL8211F PHY needs a 10ms
assert delay and at least 72ms deassert delay. Considering the
possibility of mixed use of PHY chips, the reset time should be
further increased.

Thanks,
Chukun

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