[PATCH 3/7] arm64: dts: imx8mp-venice-gw702x: reduce RGMII CLK drive strength
From: Tim Harvey <tharvey@gateworks.com>
Date: 2025-09-16 16:05:42
Also in:
imx, linux-devicetree, lkml
Subsystem:
arm/freescale imx / mxc arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
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 better emissions. Signed-off-by: Tim Harvey <tharvey@gateworks.com> --- arch/arm64/boot/dts/freescale/imx8mp-venice-gw702x.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw702x.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw702x.dtsi
index a1232a4f8485..dd9eeb3479fd 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw702x.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw702x.dtsi@@ -462,7 +462,7 @@ MX8MP_IOMUXC_ENET_TD1__ENET_QOS_RGMII_TD1 0x16 MX8MP_IOMUXC_ENET_TD2__ENET_QOS_RGMII_TD2 0x16 MX8MP_IOMUXC_ENET_TD3__ENET_QOS_RGMII_TD3 0x16 MX8MP_IOMUXC_ENET_TX_CTL__ENET_QOS_RGMII_TX_CTL 0x16 - MX8MP_IOMUXC_ENET_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK 0x16 + MX8MP_IOMUXC_ENET_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK 0x0 >; };
--
2.25.1