From 6de4d817aa38ea74dd446d015c8ed62a3ebaeafb Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Sun, 6 May 2012 13:30:44 +0800 Subject: mmc: mxs-mmc: add device tree support It adds device tree probe support for mxs-mmc driver. Signed-off-by: Shawn Guo Acked-by: Chris Ball --- Documentation/devicetree/bindings/mmc/mxs-mmc.txt | 25 +++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/mxs-mmc.txt (limited to 'Documentation') 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,-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>; +}; -- cgit v1.2.2