diff options
| author | Markus Pargmann <mpa@pengutronix.de> | 2013-03-31 20:07:38 +0200 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2013-04-12 15:12:34 -0400 |
| commit | 7ff747c45908abb4fb894b21a8752a3e48acf02b (patch) | |
| tree | 5e21cf1c52a539056309591728700dc8b67a0324 /Documentation/devicetree/bindings/mmc | |
| parent | 32d781a310785dcc86c41b6793b2bd4f41015d73 (diff) | |
mmc: mxcmmc: DT support
Adding devicetree support for imx21-mmc and imx31-mmc. Based on generic
gpio helper functions by Guennadi and generic DMA devicetree bindings.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mmc')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/fsl-imx-mmc.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-mmc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-mmc.txt new file mode 100644 index 00000000000..db442355cd2 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-mmc.txt @@ -0,0 +1,24 @@ +* Freescale Secure Digital Host Controller for i.MX2/3 series + +This file documents differences to the properties defined in mmc.txt. + +Required properties: +- compatible : Should be "fsl,<chip>-mmc", chip can be imx21 or imx31 + +Optional properties: +- dmas: One DMA phandle with arguments as defined by the devicetree bindings + of the used DMA controller. +- dma-names: Has to be "rx-tx". + +Example: + +sdhci1: sdhci@10014000 { + compatible = "fsl,imx27-mmc", "fsl,imx21-mmc"; + reg = <0x10014000 0x1000>; + interrupts = <11>; + dmas = <&dma 7>; + dma-names = "rx-tx"; + bus-width = <4>; + cd-gpios = <&gpio3 29>; + status = "okay"; +}; |