diff options
| author | Haibo Chen <haibo.chen@nxp.com> | 2019-08-14 21:19:55 +0800 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-11-25 16:06:09 +0800 |
| commit | 40d6a53370219921b710192a49af19b9828c490b (patch) | |
| tree | 840b76c101fea383beb17b348cba61810210e57d /arch/arm/boot/dts/imx7ulp-evkb-emmc.dts | |
| parent | 593a5012a5f1b769161aaf82635422ed6b77b061 (diff) | |
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>
Diffstat (limited to 'arch/arm/boot/dts/imx7ulp-evkb-emmc.dts')
| -rw-r--r-- | arch/arm/boot/dts/imx7ulp-evkb-emmc.dts | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx7ulp-evkb-emmc.dts b/arch/arm/boot/dts/imx7ulp-evkb-emmc.dts new file mode 100644 index 000000000000..ca6acd44de19 --- /dev/null +++ b/arch/arm/boot/dts/imx7ulp-evkb-emmc.dts @@ -0,0 +1,26 @@ +/* + * 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"; +}; + |