linux-kernel - [PATCH 4/6] arm64: dts: imx93-11x11-evk: disable all realtek ethernet phy CLKOUT

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Message-Id: <20250605205853.1334131-4-Frank.Li@nxp.com>
Date: Thu,  5 Jun 2025 16:58:51 -0400
From: Frank Li <Frank.Li@....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>,
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
	imx@...ts.linux.dev (open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE),
	linux-arm-kernel@...ts.infradead.org (moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE),
	linux-kernel@...r.kernel.org (open list)
Cc: imx@...ts.linux.dev
Subject: [PATCH 4/6] arm64: dts: imx93-11x11-evk: disable all realtek ethernet phy CLKOUT

From: Clark Wang <xiaoning.wang@....com>

The realtek phy CLKOUT signal is not used. Disable it to save power.

Signed-off-by: Clark Wang <xiaoning.wang@....com>
Signed-off-by: Frank Li <Frank.Li@....com>
---
 arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
index 295eb8d90f03f..8688fcb382c06 100644
--- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
@@ -251,6 +251,7 @@ ethphy1: ethernet-phy@1 {
 			reset-gpios = <&pcal6524 15 GPIO_ACTIVE_LOW>;
 			reset-assert-us = <10000>;
 			reset-deassert-us = <80000>;
+			realtek,clkout-disable;
 		};
 	};
 };
@@ -275,6 +276,7 @@ ethphy2: ethernet-phy@2 {
 			reset-gpios = <&pcal6524 16 GPIO_ACTIVE_LOW>;
 			reset-assert-us = <10000>;
 			reset-deassert-us = <80000>;
+			realtek,clkout-disable;
 		};
 	};
 };
-- 
2.34.1