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1 | * Freescale MXS MMC controller |
2 | ||
3 | The Freescale MXS Synchronous Serial Ports (SSP) can act as a MMC controller | |
4 | to support MMC, SD, and SDIO types of memory cards. | |
5 | ||
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6 | This file documents differences between the core properties in mmc.txt |
7 | and the properties used by the mxsmmc driver. | |
8 | ||
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9 | Required properties: |
10 | - compatible: Should be "fsl,<chip>-mmc". The supported chips include | |
11 | imx23 and imx28. | |
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12 | - interrupts: Should contain ERROR interrupt number |
13 | - dmas: DMA specifier, consisting of a phandle to DMA controller node | |
14 | and SSP DMA channel ID. | |
15 | Refer to dma.txt and fsl-mxs-dma.txt for details. | |
16 | - dma-names: Must be "rx-tx". | |
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17 | |
18 | Examples: | |
19 | ||
20 | ssp0: ssp@80010000 { | |
21 | compatible = "fsl,imx28-mmc"; | |
22 | reg = <0x80010000 2000>; | |
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23 | interrupts = <96>; |
24 | dmas = <&dma_apbh 0>; | |
25 | dma-names = "rx-tx"; | |
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26 | bus-width = <8>; |
27 | }; |