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| author | Shawn Guo <shawn.guo@linaro.org> | 2012-05-06 13:30:44 +0800 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2012-05-13 08:27:37 +0800 |
| commit | 6de4d817aa38ea74dd446d015c8ed62a3ebaeafb (patch) | |
| tree | b2eb13af33b8be6030348eecc78a5e6dd3483399 /Documentation | |
| parent | 31b0ff5e7390a955f0d7279ab922e4b41469729d (diff) | |
| download | linux-6de4d817aa38ea74dd446d015c8ed62a3ebaeafb.tar.gz linux-6de4d817aa38ea74dd446d015c8ed62a3ebaeafb.tar.bz2 linux-6de4d817aa38ea74dd446d015c8ed62a3ebaeafb.zip | |
mmc: mxs-mmc: add device tree support
It adds device tree probe support for mxs-mmc driver.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/mxs-mmc.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/mxs-mmc.txt b/Documentation/devicetree/bindings/mmc/mxs-mmc.txt new file mode 100644 index 000000000000..14d870a9e3db --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/mxs-mmc.txt @@ -0,0 +1,25 @@ +* Freescale MXS MMC controller + +The Freescale MXS Synchronous Serial Ports (SSP) can act as a MMC controller +to support MMC, SD, and SDIO types of memory cards. + +Required properties: +- compatible: Should be "fsl,<chip>-mmc". The supported chips include + imx23 and imx28. +- reg: Should contain registers location and length +- interrupts: Should contain ERROR and DMA interrupts +- fsl,ssp-dma-channel: APBH DMA channel for the SSP +- bus-width: Number of data lines, can be <1>, <4>, or <8> + +Optional properties: +- wp-gpios: Specify GPIOs for write protection + +Examples: + +ssp0: ssp@80010000 { + compatible = "fsl,imx28-mmc"; + reg = <0x80010000 2000>; + interrupts = <96 82>; + fsl,ssp-dma-channel = <0>; + bus-width = <8>; +}; |