Commit 44db7bc6 authored by Markus Niebel's avatar Markus Niebel Committed by Frank Li
Browse files

arm64: dts: imx91-tqma9131: improve eMMC pad configuration 



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: e71db39f ("arm64: dts: freescale: add initial device tree for TQMa91xx/MBa91xxCA")
Signed-off-by: default avatarMarkus Niebel <Markus.Niebel@ew.tq-group.com>
Signed-off-by: default avatarAlexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: default avatarFrank Li <Frank.Li@nxp.com>
Signed-off-by: default avatarFrank Li <Frank.Li@nxp.com>
parent 08903184

arch/arm64/boot/dts/freescale/imx91-tqma9131.dtsi

+10 −10
Original line number Diff line number Diff line
@@ -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 {