From: Peng Fan <peng.fan@oss.nxp.com>
To: Tim Harvey <tharvey@gateworks.com>
Cc: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.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>,
devicetree@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/7] arm64: dts: imx8mp-venice-gw702x: reduce RGMII CLK drive strength
Date: Fri, 19 Sep 2025 12:46:08 +0800 [thread overview]
Message-ID: <20250919044608.GG9196@nxa18884-linux.ap.freescale.net> (raw)
In-Reply-To: <20250918154451.2531802-4-tharvey@gateworks.com>
On Thu, Sep 18, 2025 at 08:44:47AM -0700, Tim Harvey wrote:
>The i.MX8M Plus EQOS RGMII tracelength is less than 1in and does not
>require a x6 drive strength. Reduce the CLK drive strength to x1 for
>lower emissions. Additionally since TXC is not a high frequency clock,
>use slow slew rate (FSEL=0) for lower emmissions and improved signal
>quality.
>
>Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
next prev parent reply other threads:[~2025-09-19 3:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-18 15:44 [PATCH v2 0/7] various imx8m*-venice dt fixes Tim Harvey
2025-09-18 15:44 ` [PATCH v2 1/7] arm64: dts: freescale: imx8mp-venice-gw7905-2x: remove duplicate usdhc1 props Tim Harvey
2025-09-18 15:44 ` [PATCH v2 2/7] arm64: dts: imx8m{m,n,p}-venice: disable unused clk output for TI PHY Tim Harvey
2025-09-18 15:44 ` [PATCH v2 3/7] arm64: dts: imx8mp-venice-gw702x: reduce RGMII CLK drive strength Tim Harvey
2025-09-19 4:46 ` Peng Fan [this message]
2025-09-18 15:44 ` [PATCH v2 4/7] arm64: dts: imx8mm-venice-gw700x: " Tim Harvey
2025-09-19 4:46 ` Peng Fan
2025-09-18 15:44 ` [PATCH v2 5/7] arm64: dts: imx8mm-venice-gw72xx: remove unused sdhc1 pinctrl Tim Harvey
2025-09-18 15:44 ` [PATCH v2 6/7] arm64: dts: imx8mp-venice-gw702x: remove off-board uart Tim Harvey
2025-09-18 15:44 ` [PATCH v2 7/7] arm64: dts: imx8mp-venice-gw702x: remove off-board sdhc1 Tim Harvey
2025-09-19 4:45 ` Peng Fan
2025-10-21 8:30 ` [PATCH v2 0/7] various imx8m*-venice dt fixes Shawn Guo
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