From d804820fa3302cb3d11f68a840e718d082967ad4 Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Fri, 15 Feb 2013 16:13:55 +0100 Subject: 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 Signed-off-by: Chris Ball --- Documentation/devicetree/bindings/mmc/tmio_mmc.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/tmio_mmc.txt (limited to 'Documentation/devicetree') 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. -- cgit v1.2.3-70-g09d2