linux-kernel - [PATCH 2/7] arm64: dts: imx8mp-evk: add hardware reset for EQOS PHY

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Message-Id: <20211123080506.21424-3-qiangqing.zhang@nxp.com>
Date:   Tue, 23 Nov 2021 16:05:01 +0800
From:   Joakim Zhang <qiangqing.zhang@....com>
To:     robh+dt@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/7] arm64: dts: imx8mp-evk: add hardware reset for EQOS PHY

As commit 798a1807ab13 ("arm64: dts: imx8mp-evk: Improve the Ethernet PHY
description") described, add hardware reset for EQOS PHY.

Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
---
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index 7b99fad6e4d6..a7dc0d160f79 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -97,6 +97,9 @@
 			compatible = "ethernet-phy-ieee802.3-c22";
 			reg = <1>;
 			eee-broken-1000t;
+			reset-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <10000>;
+			reset-deassert-us = <80000>;
 		};
 	};
 };
-- 
2.17.1