linux-brain/arch/arm/boot/dts/imx7ulp-evkb-emmc.dts
Haibo Chen 40d6a53370 ARM: dts: imx7ulp-evk: add emmc support
Add emmc support for imx7ulp-evk board, need to do rework first.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
2019-11-25 16:06:09 +08:00

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/*
* Copyright 2019 NXP.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include "imx7ulp-evkb.dts"
/* To support eMMC HS200/HS400, need to do the following reowrk:
* 1,remove TF sd slot, replace eMMC chip
* 2,fix eMMC I/O voltage to 1.8v, remove R183, short TP3 and TP89
* 3,add R107, make eMMC boot work
*/
&usdhc0 {
pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
pinctrl-0 = <&pinctrl_usdhc0_8bit>;
pinctrl-1 = <&pinctrl_usdhc0_8bit>;
pinctrl-2 = <&pinctrl_usdhc0_8bit>;
pinctrl-3 = <&pinctrl_usdhc0_8bit>;
non-removable;
bus-width = <8>;
status = "okay";
};