linux-kernel - [PATCH 10/11] arm64: dts: imx93-11x11-evk: add reset gpios for ethernet PHYs

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Date: Tue, 16 Apr 2024 23:26:46 +0800
From: "Peng Fan (OSS)" <peng.fan@....nxp.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, 
 Peng Fan <peng.fan@....com>, Wei Fang <wei.fang@....com>, 
 Clark Wang <xiaoning.wang@....com>
Subject: [PATCH 10/11] arm64: dts: imx93-11x11-evk: add reset gpios for
 ethernet PHYs

From: Wei Fang <wei.fang@....com>

Both the PHYs of the EQOS interface and the FEC interface are supported
to be reset by I2C GPIO Expender. So add the support to reset PHYs.

Signed-off-by: Wei Fang <wei.fang@....com>
Reviewed-by: Clark Wang <xiaoning.wang@....com>
Signed-off-by: Peng Fan <peng.fan@....com>
---
 arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
index b29d470d2492..44ae985945ad 100644
--- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
@@ -121,6 +121,9 @@ mdio {
 		ethphy1: ethernet-phy@1 {
 			reg = <1>;
 			eee-broken-1000t;
+			reset-gpios = <&pcal6524 15 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <10000>;
+			reset-deassert-us = <80000>;
 		};
 	};
 };
@@ -142,6 +145,9 @@ mdio {
 		ethphy2: ethernet-phy@2 {
 			reg = <2>;
 			eee-broken-1000t;
+			reset-gpios = <&pcal6524 16 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <10000>;
+			reset-deassert-us = <80000>;
 		};
 	};
 };

-- 
2.37.1