diff options
Diffstat (limited to 'arch/arm/boot/dts/imx7ulp-evk-emmc.dts')
| -rw-r--r-- | arch/arm/boot/dts/imx7ulp-evk-emmc.dts | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx7ulp-evk-emmc.dts b/arch/arm/boot/dts/imx7ulp-evk-emmc.dts new file mode 100644 index 000000000000..403bfb28e2be --- /dev/null +++ b/arch/arm/boot/dts/imx7ulp-evk-emmc.dts @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * Copyright 2018 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-evk.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"; +}; |