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Message-ID: <20250430081849.1827688-1-alexander.stein@ew.tq-group.com>
Date: Wed, 30 Apr 2025 10:18:48 +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>,
Alexander Stein <alexander.stein@...tq-group.com>,
Markus Niebel <Markus.Niebel@...tq-group.com>
Cc: linux@...tq-group.com,
devicetree@...r.kernel.org,
imx@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 1/1] arm64: dts: imx93-tqma9352-mba91xxca: disable 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 is similar to commit 14e66e4b13221 ("Revert "arm64: dts:
imx93-tqma9352-mba93xxca: enable Open Drain for MDIO"")
Fixes: e5bc07026f94 ("arm64: add initial device tree for TQMa93xx/MBa91xxCA")
Signed-off-by: Markus Niebel <Markus.Niebel@...tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
arch/arm64/boot/dts/freescale/imx93-tqma9352-mba91xxca.dts | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba91xxca.dts b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba91xxca.dts
index 7b78faa4bfd09..9dbf41cf394bf 100644
--- a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba91xxca.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba91xxca.dts
@@ -571,7 +571,7 @@ 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>,
+ <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>,
@@ -599,7 +599,7 @@ 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>,
+ <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
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