From: Steffen Trumtrar <s.trumtrar@pengutronix.de>
To: "Sébastien Szymanski" <sebastien.szymanski@armadeus.com>
Cc: "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>,
Paolo Abeni <pabeni@redhat.com>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
Clark Wang <xiaoning.wang@nxp.com>,
Linux Team <linux-imx@nxp.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Jose Abreu <joabreu@synopsys.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com
Subject: Re: [PATCH 0/3] arm64: mx93: etherrnet: set TX_CLK in RMII mode
Date: Tue, 23 Apr 2024 08:43:58 +0200 [thread overview]
Message-ID: <87mspkk28h.fsf@pengutronix.de> (raw)
In-Reply-To: <f01d49cf-5955-405c-9c2b-05b0c7bb982c@armadeus.com> ("Sébastien Szymanski"'s message of "Mon, 22 Apr 2024 11:28:08 +0200")
Hi,
On 2024-04-22 at 11:28 +02, Sébastien Szymanski <sebastien.szymanski@armadeus.com> wrote:
> Hello, On 4/22/24 10:46, Steffen Trumtrar wrote:
> > This series adds support for setting the TX_CLK direction in the eQOS ethernet core on the i.MX93 when RMII mode is used. According to AN14149, when the i.MX93 ethernet controller is used in RMII mode, the TX_CLK *must* be set to output mode.
> Must ? I don't think that is true. Downstream NXP kernel has an option to set TX_CLK as an input:
>
re-reading that passage again, it only says "other registers that must be configured" and that the ENET_QOS_CLK_TX_CLK_SEL bit "is 0b1" for RMII. So, maybe you are right.
Thanks,
Steffen
> https://github.com/nxp-imx/linux-imx/blob/lf-6.6.y/Documentation/devicetree/bindings/net/nxp%2Cdwmac-imx.yaml#L69
>
> https://github.com/nxp-imx/linux-imx/commit/fbc17f6f7919d03c275fc48b0400c212475b60ec
>
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prev parent reply other threads:[~2024-04-23 6:44 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-22 8:46 [PATCH 0/3] arm64: mx93: etherrnet: set TX_CLK in RMII mode Steffen Trumtrar
2024-04-22 8:46 ` [PATCH 1/3] dt-bindings: net: mx93: add enet_clk_sel binding Steffen Trumtrar
2024-04-22 8:58 ` Sascha Hauer
2024-04-23 6:46 ` Steffen Trumtrar
2024-04-22 9:11 ` Krzysztof Kozlowski
2024-04-22 9:11 ` Krzysztof Kozlowski
2024-04-22 16:02 ` Andrew Lunn
2024-04-22 8:46 ` [PATCH 2/3] arm64: dts: imx93: add enet_clk_sel Steffen Trumtrar
2024-04-22 8:46 ` [PATCH 3/3] net: stmicro: imx: set TX_CLK direction in RMII mode Steffen Trumtrar
2024-04-22 8:51 ` Ahmad Fatoum
2024-04-22 9:04 ` Marc Kleine-Budde
2024-04-22 9:12 ` Krzysztof Kozlowski
2024-04-22 9:28 ` [PATCH 0/3] arm64: mx93: etherrnet: set TX_CLK " Sébastien Szymanski
2024-04-23 6:43 ` Steffen Trumtrar [this message]
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