From: Andrew Lunn <andrew@lunn.ch>
To: Joakim Zhang <qiangqing.zhang@nxp.com>
Cc: davem@davemloft.net, kuba@kernel.org, robh+dt@kernel.org,
shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2 net-next 2/7] dt-bindings: net: fsl,fec: add RGMII internal clock delay
Date: Wed, 28 Jul 2021 16:08:10 +0200 [thread overview]
Message-ID: <YQFkysjHFEN1w6Yz@lunn.ch> (raw)
In-Reply-To: <20210728115203.16263-3-qiangqing.zhang@nxp.com>
On Wed, Jul 28, 2021 at 07:51:58PM +0800, Joakim Zhang wrote:
> + The "enet_2x_txclk"(option), for RGMII sampling clock which fixed at 250Mhz.
> + The clock is required if SoC RGMII enable clock delay.
Hi Joakim
So you only need the clock if you are using RGMII delays? For RGMII
without delays, the clock is not needed?
You might want to add a check in the C code that the clock is provided
when needed.
Andrew
next prev parent reply other threads:[~2021-07-28 14:08 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-28 11:51 [PATCH V2 net-next 0/7] net: fec: add support for i.MX8MQ and i.MX8QM Joakim Zhang
2021-07-28 11:51 ` [PATCH V2 net-next 1/7] dt-bindings: net: fsl,fec: update compatible items Joakim Zhang
2021-07-28 11:51 ` [PATCH V2 net-next 2/7] dt-bindings: net: fsl,fec: add RGMII internal clock delay Joakim Zhang
2021-07-28 14:08 ` Andrew Lunn [this message]
2021-07-29 2:30 ` Joakim Zhang
2021-07-28 11:51 ` [PATCH V2 net-next 3/7] net: fec: add imx8mq and imx8qm new versions support Joakim Zhang
2021-07-28 11:52 ` [PATCH V2 net-next 4/7] net: fec: add eee mode tx lpi support Joakim Zhang
2021-07-28 11:52 ` [PATCH V2 net-next 5/7] net: fec: add MAC internal delayed clock feature support Joakim Zhang
2021-07-28 14:10 ` Andrew Lunn
2021-07-29 2:32 ` Joakim Zhang
2021-07-28 11:52 ` [PATCH V2 net-next 6/7] arm64: dts: imx8m: add "fsl,imx8mq-fec" compatible string for FEC Joakim Zhang
2021-07-28 11:52 ` [PATCH V2 net-next 7/7] arm64: dts: imx8qxp: add "fsl,imx8qm-fec" " Joakim Zhang
2021-07-28 12:50 ` [PATCH V2 net-next 0/7] net: fec: add support for i.MX8MQ and i.MX8QM patchwork-bot+netdevbpf
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