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| author | Joonyoung Shim <jy0922.shim@samsung.com> | 2015-01-15 11:45:56 +0900 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2015-02-13 17:17:10 +0900 |
| commit | aa8e00fab5e65a07c2cae52274946a908805ea60 (patch) | |
| tree | 2309916e5a3205abcdf476fb7e36adce1d847995 /doc | |
| parent | a276172cf32386c211c75638f6bf3c0d59ba03ba (diff) | |
| download | u-boot-aa8e00fab5e65a07c2cae52274946a908805ea60.zip u-boot-aa8e00fab5e65a07c2cae52274946a908805ea60.tar.gz u-boot-aa8e00fab5e65a07c2cae52274946a908805ea60.tar.bz2 | |
samsung: board: support eMMC reset using DT
Some exynos boards require special handling of nRESET_OUT line for eMMC
memory to perform complete reboot e.g. Odroid X2/U3/XU3 boards.
This will support eMMC reset using DT from reset_misc of samsung common
board file.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/device-tree-bindings/exynos/emmc-reset.txt | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/exynos/emmc-reset.txt b/doc/device-tree-bindings/exynos/emmc-reset.txt new file mode 100644 index 0000000..5e7ba26 --- /dev/null +++ b/doc/device-tree-bindings/exynos/emmc-reset.txt @@ -0,0 +1,15 @@ +* Samsung eMMC reset + +Some exynos boards require special handling of nRESET_OUT line for eMMC memory +to perform complete reboot. + +Required properties: +- compatible: should be "samsung,emmc-reset" +- reset-gpio: gpio chip for eMMC reset. + +Example: + +emmc-reset { + compatible = "samsung,emmc-reset"; + reset-gpio = <&gpk1 2 0>; +}; |