linux-kernel - [PATCH 4/7] arm64: dts: imx8mm-venice-gw700x: reduce RGMII CLK drive strength

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250916153216.1042625-5-tharvey@gateworks.com>
Date: Tue, 16 Sep 2025 08:32:13 -0700
From: Tim Harvey <tharvey@...eworks.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>
Cc: devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Tim Harvey <tharvey@...eworks.com>
Subject: [PATCH 4/7] arm64: dts: imx8mm-venice-gw700x: reduce RGMII CLK drive strength

The i.MX8M Mini FEC 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@...eworks.com>
---
 arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi
index baf46fe28133..dca213c85cc3 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi
@@ -446,7 +446,7 @@ MX8MM_IOMUXC_ENET_RD3_ENET1_RGMII_RD3		0x91
 			MX8MM_IOMUXC_ENET_RD2_ENET1_RGMII_RD2		0x91
 			MX8MM_IOMUXC_ENET_RD1_ENET1_RGMII_RD1		0x91
 			MX8MM_IOMUXC_ENET_RD0_ENET1_RGMII_RD0		0x91
-			MX8MM_IOMUXC_ENET_TXC_ENET1_RGMII_TXC		0x1f
+			MX8MM_IOMUXC_ENET_TXC_ENET1_RGMII_TXC		0x0
 			MX8MM_IOMUXC_ENET_RXC_ENET1_RGMII_RXC		0x91
 			MX8MM_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL	0x91
 			MX8MM_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL	0x1f
-- 
2.25.1