diff options
| author | Haibo Chen <haibo.chen@nxp.com> | 2019-08-14 15:56:08 +0800 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-11-25 16:06:06 +0800 |
| commit | 53751f873291a91a762a70b351feaf5167fa138d (patch) | |
| tree | fa8bfdc1fc3e75d3cd3b53465e5c3eb9a8b60450 /arch/arm/boot/dts/imx6sx-sdb-emmc.dts | |
| parent | 562b71e3b6dce44e5db0ef0409f04062a5562b61 (diff) | |
ARM: dts: add emmc support for imx6sx-sdb board
Add emmc support for imx6sx-sdb board, due to this support
need remove sd4 sd card slot and solder an eMMC chip, so
this patch add imx6sx-sdb-emmc.dts file.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Diffstat (limited to 'arch/arm/boot/dts/imx6sx-sdb-emmc.dts')
| -rw-r--r-- | arch/arm/boot/dts/imx6sx-sdb-emmc.dts | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6sx-sdb-emmc.dts b/arch/arm/boot/dts/imx6sx-sdb-emmc.dts new file mode 100644 index 000000000000..0e4049b74ac8 --- /dev/null +++ b/arch/arm/boot/dts/imx6sx-sdb-emmc.dts @@ -0,0 +1,32 @@ +/* + * 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 + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + */ + +#include "imx6sx-sdb.dts" + +/* + * The eMMC chip on imx6sx sdb board is DNP by default. + * Need do hw rework to burn the eMMC4.5 chip on the eMMC socket on uSDHC4 + * and connect eMMC signals as well as disconnect BOOT SD CARD slot signals + */ +&usdhc4 { + pinctrl-names = "default", "state_100mhz", "state_200mhz"; + pinctrl-0 = <&pinctrl_usdhc4_1>; + pinctrl-1 = <&pinctrl_usdhc4_1_100mhz>; + pinctrl-2 = <&pinctrl_usdhc4_1_200mhz>; + bus-width = <8>; + /* + * overwrite cd-gpios and wp-gpios since they are reused as eMMC DATA + * signals after rework + */ + cd-gpios = <>; + wp-gpios = <>; + non-removable; + status = "okay"; +}; + |