linux-kernel - [PATCH 1/2] Revert "arm64: dts: imx93-tqma9352-mba93xxca: enable Open Drain for MDIO"

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Message-ID: <20250417081522.1145586-1-alexander.stein@ew.tq-group.com>
Date: Thu, 17 Apr 2025 10:15:19 +0200
From: Alexander Stein <alexander.stein@...tq-group.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: Markus Niebel <Markus.Niebel@...tq-group.com>,
	linux@...tq-group.com,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Alexander Stein <alexander.stein@...tq-group.com>
Subject: [PATCH 1/2] Revert "arm64: dts: imx93-tqma9352-mba93xxca: enable Open Drain for MDIO"

From: Markus Niebel <Markus.Niebel@...tq-group.com>

Using the MDIO pins with Open Drain causes spec violations of the
signals. Revert the changes.

This reverts commit 9015397c2f2d9d327c0cf88d74e39c4858cb4912.

Signed-off-by: Markus Niebel <Markus.Niebel@...tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
 .../arm64/boot/dts/freescale/imx93-tqma9352-mba93xxca.dts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxca.dts b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxca.dts
index 1ff2754255fa7..994be4e649343 100644
--- a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxca.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxca.dts
@@ -649,8 +649,8 @@ pinctrl_eqos: eqosgrp {
 		fsl,pins = <
 			/* PD | FSEL_2 | DSE X4 */
 			MX93_PAD_ENET1_MDC__ENET_QOS_MDC			0x51e
-			/* SION | HYS | ODE | FSEL_2 | DSE X4 */
-			MX93_PAD_ENET1_MDIO__ENET_QOS_MDIO			0x4000191e
+			/* SION | HYS | FSEL_2 | DSE X4 */
+			MX93_PAD_ENET1_MDIO__ENET_QOS_MDIO			0x4000111e
 			/* HYS | FSEL_0 | DSE no drive */
 			MX93_PAD_ENET1_RD0__ENET_QOS_RGMII_RD0			0x1000
 			MX93_PAD_ENET1_RD1__ENET_QOS_RGMII_RD1			0x1000
@@ -681,8 +681,8 @@ pinctrl_fec: fecgrp {
 		fsl,pins = <
 			/* PD | FSEL_2 | DSE X4 */
 			MX93_PAD_ENET2_MDC__ENET1_MDC			0x51e
-			/* SION | HYS | ODE | FSEL_2 | DSE X4 */
-			MX93_PAD_ENET2_MDIO__ENET1_MDIO			0x4000191e
+			/* SION | HYS | FSEL_2 | DSE X4 */
+			MX93_PAD_ENET2_MDIO__ENET1_MDIO			0x4000111e
 			/* HYS | FSEL_0 | DSE no drive */
 			MX93_PAD_ENET2_RD0__ENET1_RGMII_RD0		0x1000
 			MX93_PAD_ENET2_RD1__ENET1_RGMII_RD1		0x1000
-- 
2.43.0