Commit b6c94c71 authored by Markus Niebel's avatar Markus Niebel Committed by Frank Li
Browse files

arm64: dts: imx93-tqma9352: 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: 0b5fdfaa ("arm64: dts: freescale: imx93-tqma9352: set SION for cmd and data pad of USDHC")
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 44db7bc6

arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi

+13 −13
Original line number Diff line number Diff line
@@ -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

		>;

	};