diff options
author | Haibo Chen <haibo.chen@freescale.com> | 2015-12-14 18:23:44 +0800 |
---|---|---|
committer | Jason Liu <jason.hui.liu@nxp.com> | 2019-02-12 10:24:01 +0800 |
commit | 878124a05737a53dc0d74c518e6a9bf127ad97c8 (patch) | |
tree | 788f49c1bd73dd75c96e0ca5f908c8a5affed915 /arch/arm/boot/dts/imx6sx-sdb-emmc.dts | |
parent | f316610f9ec020b04e7815009fbd9a9b79db58ff (diff) |
MLK-12010 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@freescale.com>
Diffstat (limited to 'arch/arm/boot/dts/imx6sx-sdb-emmc.dts')
-rw-r--r-- | arch/arm/boot/dts/imx6sx-sdb-emmc.dts | 30 |
1 files changed, 30 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..6a2a07b0e2ba --- /dev/null +++ b/arch/arm/boot/dts/imx6sx-sdb-emmc.dts @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2015 Freescale Semiconductor, Inc. + * + * 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 "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"; +}; |