On Sat, Apr 26, 2014 at 12:16:07PM +0200, Hans de Goede wrote: > From: David Lanzendörfer <david.lanzendoerfer@xxxxxx> > > The Allwinner sunxi mmc host uses dma in bus-master mode using a built-in > designware idmac controller, which is identical to the one found in the mmc-dw > hosts. However the rest of the host is not identical to mmc-dw, it deals with > sending stop commands in hardware which makes it significantly different > from the mmc-dw devices. > > HdG: Various cleanups and fixes. > > Signed-off-by: David Lanzendörfer <david.lanzendoerfer@xxxxxx> > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> > --- > .../devicetree/bindings/mmc/sunxi-mmc.txt | 43 + > drivers/mmc/host/Kconfig | 7 + > drivers/mmc/host/Makefile | 2 + > drivers/mmc/host/sunxi-mmc.c | 1125 ++++++++++++++++++++ > 4 files changed, 1177 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mmc/sunxi-mmc.txt > create mode 100644 drivers/mmc/host/sunxi-mmc.c > > diff --git a/Documentation/devicetree/bindings/mmc/sunxi-mmc.txt b/Documentation/devicetree/bindings/mmc/sunxi-mmc.txt > new file mode 100644 > index 0000000..f0c06e7 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mmc/sunxi-mmc.txt > @@ -0,0 +1,43 @@ > +* Allwinner sunxi MMC controller > + > +The highspeed MMC host controller on Allwinner SoCs provides an interface > +for MMC, SD and SDIO types of memory cards. > + > +Supported maximum speeds are the ones of the eMMC standard 4.5 as well > +as the speed of SD standard 3.0. > +Absolute maximum transfer rate is 200MB/s > + > +Required properties: > + - compatible : "allwinner,sun4i-a10-mmc" or "allwinner,sun5i-a13-mmc" > + - reg : mmc controller base registers > + - clocks : a list with 2 phandle + clock specifier pairs > + - clock-names : must contain "ahb" and "mod" Again, this is not a module0 clock, so the clock name is misleading. -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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