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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2013-02-15 16:13:55 +0100 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2013-02-24 14:37:21 -0500 |
| commit | d804820fa3302cb3d11f68a840e718d082967ad4 (patch) | |
| tree | db3238fa7356979cc035db102d4f8a6653bce0dc /Documentation | |
| parent | eca889f60c6dc6415bc0130615561285f02e31ed (diff) | |
| download | linux-3.10-d804820fa3302cb3d11f68a840e718d082967ad4.tar.gz linux-3.10-d804820fa3302cb3d11f68a840e718d082967ad4.tar.bz2 linux-3.10-d804820fa3302cb3d11f68a840e718d082967ad4.zip | |
mmc: tmio-mmc: define device-tree bindings
Define device-tree bindings for the tmio-mmc driver to be able to specify
parameters, currently provided in platform data.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/tmio_mmc.txt | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/tmio_mmc.txt b/Documentation/devicetree/bindings/mmc/tmio_mmc.txt new file mode 100644 index 00000000000..df204e18e03 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/tmio_mmc.txt @@ -0,0 +1,20 @@ +* Toshiba Mobile IO SD/MMC controller + +The tmio-mmc driver doesn't probe its devices actively, instead its binding to +devices is managed by either MFD drivers or by the sh_mobile_sdhi platform +driver. Those drivers supply the tmio-mmc driver with platform data, that either +describe hardware capabilities, known to them, or are obtained by them from +their own platform data or from their DT information. In the latter case all +compulsory and any optional properties, common to all SD/MMC drivers, as +described in mmc.txt, can be used. Additionally the following tmio_mmc-specific +optional bindings can be used. + +Optional properties: +- toshiba,mmc-wrprotect-disable: write-protect detection is unavailable + +When used with Renesas SDHI hardware, the following compatibility strings +configure various model-specific properties: + +"renesas,sh7372-sdhi": (default) compatible with SH7372 +"renesas,r8a7740-sdhi": compatible with R8A7740: certain MMC/SD commands have to + wait for the interface to become idle. |