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* [PATCH v2 1/2] arm64: dt: imx93-tqma9352-mba93xxca: enable Open Drain for MDIO
@ 2024-12-05 15:07 Alexander Stein
  2024-12-05 15:07 ` [PATCH v2 2/2] arm64: dt: imx93-tqma9352-mba93xxla: " Alexander Stein
                   ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: Alexander Stein @ 2024-12-05 15:07 UTC (permalink / raw)
  To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
	Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam, Peng Fan
  Cc: Markus Niebel, linux, devicetree, imx, linux-arm-kernel,
	linux-kernel, Alexander Stein

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

The board has a pull-up resistor for MDIO pin per PHY design guide.
When MDIO is idle, it needs to be high and open drain is better
to be used here for power saving.

Signed-off-by: Markus Niebel <Markus.Niebel@ew.tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
---
Changes in v2:
* Update commit message

 .../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 599df32976e24..8e939d716aac8 100644
--- a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxca.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxca.dts
@@ -627,8 +627,8 @@ pinctrl_eqos: eqosgrp {
 		fsl,pins = <
 			/* PD | FSEL_2 | DSE X4 */
 			MX93_PAD_ENET1_MDC__ENET_QOS_MDC			0x51e
-			/* SION | HYS | FSEL_2 | DSE X4 */
-			MX93_PAD_ENET1_MDIO__ENET_QOS_MDIO			0x4000111e
+			/* SION | HYS | ODE | FSEL_2 | DSE X4 */
+			MX93_PAD_ENET1_MDIO__ENET_QOS_MDIO			0x4000191e
 			/* HYS | FSEL_0 | DSE no drive */
 			MX93_PAD_ENET1_RD0__ENET_QOS_RGMII_RD0			0x1000
 			MX93_PAD_ENET1_RD1__ENET_QOS_RGMII_RD1			0x1000
@@ -659,8 +659,8 @@ pinctrl_fec: fecgrp {
 		fsl,pins = <
 			/* PD | FSEL_2 | DSE X4 */
 			MX93_PAD_ENET2_MDC__ENET1_MDC			0x51e
-			/* SION | HYS | FSEL_2 | DSE X4 */
-			MX93_PAD_ENET2_MDIO__ENET1_MDIO			0x4000111e
+			/* SION | HYS | ODE | FSEL_2 | DSE X4 */
+			MX93_PAD_ENET2_MDIO__ENET1_MDIO			0x4000191e
 			/* HYS | FSEL_0 | DSE no drive */
 			MX93_PAD_ENET2_RD0__ENET1_RGMII_RD0		0x1000
 			MX93_PAD_ENET2_RD1__ENET1_RGMII_RD1		0x1000
-- 
2.34.1


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2024-12-05 15:07 [PATCH v2 1/2] arm64: dt: imx93-tqma9352-mba93xxca: enable Open Drain for MDIO Alexander Stein
2024-12-05 15:07 ` [PATCH v2 2/2] arm64: dt: imx93-tqma9352-mba93xxla: " Alexander Stein
2024-12-06  8:58   ` Peng Fan
2024-12-06  8:59 ` [PATCH v2 1/2] arm64: dt: imx93-tqma9352-mba93xxca: " Peng Fan
2024-12-30  4:30 ` Shawn Guo

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