[PATCH 6.18 051/198] arm64: dts: imx91-tqma9131: improve eMMC pad configuration

Greg Kroah-Hartman
2026-04-20T15:58:12Z

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

[ Upstream commit 44db7bc66eb38e85bb32777c5fd3a4e7baa84147 ]

Use DSE x4 an PullUp for CMD an DAT, DSE x4 and PullDown for CLK to improve
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@ew.tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
.../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 {
--
2.53.0