[PATCH 2/2] arm64: dts: imx93-tqma9352: improve eMMC pad configuration

[Alexander Stein]

Hi Frank,

Am Montag, 9. Februar 2026, 20:20:24 CET schrieb Frank Li:
> On Mon, Feb 09, 2026 at 04:50:14PM +0100, Alexander Stein wrote:
> > From: Markus Niebel <Markus.Niebel at ew.tq-group.com>
> >
> > 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.
> 
> Nit:
> 
> 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.
> 
> If you think it is okay, I can update it when apply it.
> 
> Reviewed-by: Frank Li <Frank.Li at nxp.com>

Thanks, this sounds even better. Feel free to amend it when applying.

Best regards,
Alexander

> >
> > Fixes: 0b5fdfaa8e45 ("arm64: dts: freescale: imx93-tqma9352: set SION for cmd and data pad of USDHC")
> > Signed-off-by: Markus Niebel <Markus.Niebel at ew.tq-group.com>
> > Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
> > ---
> >  .../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 3a23e2eb9febe..ce34a296495c4 100644
> > --- a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
> > @@ -271,21 +271,21 @@ 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
> >  		>;
> >  	};
> >
> > --
> > 2.43.0
> >
> 


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