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Commit d804820f authored by Guennadi Liakhovetski's avatar Guennadi Liakhovetski Committed by Chris Ball
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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: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent eca889f6

Documentation/devicetree/bindings/mmc/tmio_mmc.txt

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* 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.