[PATCH 1/2] arm64: dts: imx91-tqma9131: improve eMMC pad configuration
From: Alexander Stein
Date: Mon Feb 09 2026 - 10:54:12 EST
From: Markus Niebel <Markus.Niebel@xxxxxxxxxxxxxxx>
Use DSE x4 an PullUp for CMD an DAT, DSE x4 and PullDown for CLK.
This improves stability and detection at low temperatures under -25°C.
Fixes: e71db39f0c7c ("arm64: dts: freescale: add initial device tree for TQMa91xx/MBa91xxCA")
Signed-off-by: Markus Niebel <Markus.Niebel@xxxxxxxxxxxxxxx>
Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
---
.../boot/dts/freescale/imx91-tqma9131.dtsi | 20 +++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx91-tqma9131.dtsi b/arch/arm64/boot/dts/freescale/imx91-tqma9131.dtsi
index 5792952b7a8e1..c99d7bc168483 100644
--- a/arch/arm64/boot/dts/freescale/imx91-tqma9131.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx91-tqma9131.dtsi
@@ -272,20 +272,20 @@ pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
/* enable SION for data and cmd pad due to ERR052021 */
pinctrl_usdhc1: usdhc1grp {
fsl,pins = /* PD | FSEL 3 | DSE X5 */
- <MX91_PAD_SD1_CLK__USDHC1_CLK 0x5be>,
+ <MX91_PAD_SD1_CLK__USDHC1_CLK 0x59e>,
/* HYS | FSEL 0 | no drive */
<MX91_PAD_SD1_STROBE__USDHC1_STROBE 0x1000>,
/* HYS | FSEL 3 | X5 */
- <MX91_PAD_SD1_CMD__USDHC1_CMD 0x400011be>,
+ <MX91_PAD_SD1_CMD__USDHC1_CMD 0x4000139e>,
/* HYS | FSEL 3 | X4 */
- <MX91_PAD_SD1_DATA0__USDHC1_DATA0 0x4000119e>,
- <MX91_PAD_SD1_DATA1__USDHC1_DATA1 0x4000119e>,
- <MX91_PAD_SD1_DATA2__USDHC1_DATA2 0x4000119e>,
- <MX91_PAD_SD1_DATA3__USDHC1_DATA3 0x4000119e>,
- <MX91_PAD_SD1_DATA4__USDHC1_DATA4 0x4000119e>,
- <MX91_PAD_SD1_DATA5__USDHC1_DATA5 0x4000119e>,
- <MX91_PAD_SD1_DATA6__USDHC1_DATA6 0x4000119e>,
- <MX91_PAD_SD1_DATA7__USDHC1_DATA7 0x4000119e>;
+ <MX91_PAD_SD1_DATA0__USDHC1_DATA0 0x4000139e>,
+ <MX91_PAD_SD1_DATA1__USDHC1_DATA1 0x4000139e>,
+ <MX91_PAD_SD1_DATA2__USDHC1_DATA2 0x4000139e>,
+ <MX91_PAD_SD1_DATA3__USDHC1_DATA3 0x4000139e>,
+ <MX91_PAD_SD1_DATA4__USDHC1_DATA4 0x4000139e>,
+ <MX91_PAD_SD1_DATA5__USDHC1_DATA5 0x4000139e>,
+ <MX91_PAD_SD1_DATA6__USDHC1_DATA6 0x4000139e>,
+ <MX91_PAD_SD1_DATA7__USDHC1_DATA7 0x4000139e>;
};
pinctrl_wdog: wdoggrp {
--
2.43.0