From: Chukun Pan <amadeus@jmu.edu.cn>
To: heiko@sntech.de
Cc: amadeus@jmu.edu.cn, conor+dt@kernel.org,
devicetree@vger.kernel.org, krzk+dt@kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org,
robh@kernel.org
Subject: Re: [PATCH v2 7/9] arm64: dts: rockchip: use generic Ethernet PHY reset bindings for Lunzn Fastrhino R68S
Date: Wed, 10 Jul 2024 21:30:29 +0800 [thread overview]
Message-ID: <20240710133029.676677-1-amadeus@jmu.edu.cn> (raw)
In-Reply-To: <2210411.C4sosBPzcN@diego>
> 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
--
2.25.1
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next prev parent reply other threads:[~2024-07-10 13:31 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-30 15:00 [PATCH v2 0/9] arm64: dts: rockchip: fixes support for Lunzn Fastrhino R6xS Chukun Pan
2024-06-30 15:00 ` [PATCH v2 1/9] arm64: dts: rockchip: fix regulator name " Chukun Pan
2024-06-30 15:00 ` [PATCH v2 2/9] arm64: dts: rockchip: fix usb regulator " Chukun Pan
2024-06-30 15:00 ` [PATCH v2 3/9] arm64: dts: rockchip: fix pmu_io supply " Chukun Pan
2024-06-30 15:00 ` [PATCH v2 4/9] arm64: dts: rockchip: remove unused usb2 nodes " Chukun Pan
2024-06-30 15:00 ` [PATCH v2 5/9] arm64: dts: rockchip: disable display subsystem " Chukun Pan
2024-06-30 15:00 ` [PATCH v2 6/9] arm64: dts: rockchip: fixes PHY reset for Lunzn Fastrhino R68S Chukun Pan
2024-06-30 15:00 ` [PATCH v2 7/9] arm64: dts: rockchip: use generic Ethernet PHY reset bindings " Chukun Pan
2024-07-04 19:12 ` Heiko Stübner
2024-07-10 13:30 ` Chukun Pan [this message]
2024-07-10 14:30 ` Jonas Karlman
2024-07-10 14:50 ` Chukun Pan
2024-07-10 15:07 ` Jonas Karlman
2024-06-30 15:00 ` [PATCH v2 8/9] arm64: dts: rockchip: remove useless tx/rx_delay " Chukun Pan
2024-06-30 15:00 ` [PATCH v2 9/9] arm64: dts: rockchip: Enable UHS-I SDR-50 for Lunzn FastRhino R66S Chukun Pan
2024-07-01 14:30 ` [PATCH v2 0/9] arm64: dts: rockchip: fixes support for Lunzn Fastrhino R6xS Chukun Pan
2024-07-01 14:30 ` [PATCH v2 2/9] arm64: dts: rockchip: fix usb regulator " Chukun Pan
2024-07-01 14:30 ` [PATCH v2 5/9] arm64: dts: rockchip: disable display subsystem " Chukun Pan
2024-07-01 14:30 ` [PATCH v2 7/9] arm64: dts: rockchip: use generic Ethernet PHY reset bindings for Lunzn Fastrhino R68S Chukun Pan
2024-07-04 19:10 ` (subset) [PATCH v2 0/9] arm64: dts: rockchip: fixes support for Lunzn Fastrhino R6xS Heiko Stuebner
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