[PATCH 6.18 052/198] arm64: dts: imx93-tqma9352: improve eMMC pad configuration

Greg Kroah-Hartman
2026-04-20T15:58:15Z

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

[ Upstream commit b6c94c71f349479b76fcc0ef0dc7147f3f326dff ]

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: 0b5fdfaa8e45 ("arm64: dts: freescale: imx93-tqma9352: set SION for cmd and data pad of USDHC")
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/imx93-tqma9352.dtsi | 26 +++++++++----------
1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
index 82914ca148d3a..c095d7f115c21 100644
--- a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
@@ -270,21 +270,21 @@ MX93_PAD_SD2_RESET_B__GPIO3_IO07 0x106
/* enable SION for data and cmd pad due to ERR052021 */
pinctrl_usdhc1: usdhc1grp {
fsl,pins = <
- /* PD | FSEL 3 | DSE X5 */
- MX93_PAD_SD1_CLK__USDHC1_CLK 0x5be
+ /* PD | FSEL 3 | DSE X4 */
+ MX93_PAD_SD1_CLK__USDHC1_CLK 0x59e
/* HYS | FSEL 0 | no drive */
MX93_PAD_SD1_STROBE__USDHC1_STROBE 0x1000
- /* HYS | FSEL 3 | X5 */
- MX93_PAD_SD1_CMD__USDHC1_CMD 0x400011be
- /* HYS | FSEL 3 | X4 */
- MX93_PAD_SD1_DATA0__USDHC1_DATA0 0x4000119e
- MX93_PAD_SD1_DATA1__USDHC1_DATA1 0x4000119e
- MX93_PAD_SD1_DATA2__USDHC1_DATA2 0x4000119e
- MX93_PAD_SD1_DATA3__USDHC1_DATA3 0x4000119e
- MX93_PAD_SD1_DATA4__USDHC1_DATA4 0x4000119e
- MX93_PAD_SD1_DATA5__USDHC1_DATA5 0x4000119e
- MX93_PAD_SD1_DATA6__USDHC1_DATA6 0x4000119e
- MX93_PAD_SD1_DATA7__USDHC1_DATA7 0x4000119e
+ /* HYS | PU | FSEL 3 | DSE X4 */
+ MX93_PAD_SD1_CMD__USDHC1_CMD 0x4000139e
+ /* HYS | PU | FSEL 3 | DSE X4 */
+ MX93_PAD_SD1_DATA0__USDHC1_DATA0 0x4000139e
+ MX93_PAD_SD1_DATA1__USDHC1_DATA1 0x4000139e
+ MX93_PAD_SD1_DATA2__USDHC1_DATA2 0x4000139e
+ MX93_PAD_SD1_DATA3__USDHC1_DATA3 0x4000139e
+ MX93_PAD_SD1_DATA4__USDHC1_DATA4 0x4000139e
+ MX93_PAD_SD1_DATA5__USDHC1_DATA5 0x4000139e
+ MX93_PAD_SD1_DATA6__USDHC1_DATA6 0x4000139e
+ MX93_PAD_SD1_DATA7__USDHC1_DATA7 0x4000139e
>;
};

--
2.53.0