Shawn Guo | 6de4d81 | 2012-05-06 13:30:44 +0800 | [diff] [blame] | 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 | |
Chris Ball | 4efafee | 2012-06-11 21:48:16 -0400 | [diff] [blame] | 6 | This file documents differences between the core properties in mmc.txt |
| 7 | and the properties used by the mxsmmc driver. |
| 8 | |
Shawn Guo | 6de4d81 | 2012-05-06 13:30:44 +0800 | [diff] [blame] | 9 | Required properties: |
| 10 | - compatible: Should be "fsl,<chip>-mmc". The supported chips include |
| 11 | imx23 and imx28. |
Shawn Guo | 6de4d81 | 2012-05-06 13:30:44 +0800 | [diff] [blame] | 12 | - interrupts: Should contain ERROR and DMA interrupts |
| 13 | - fsl,ssp-dma-channel: APBH DMA channel for the SSP |
Shawn Guo | 6de4d81 | 2012-05-06 13:30:44 +0800 | [diff] [blame] | 14 | |
| 15 | Examples: |
| 16 | |
| 17 | ssp0: ssp@80010000 { |
| 18 | compatible = "fsl,imx28-mmc"; |
| 19 | reg = <0x80010000 2000>; |
| 20 | interrupts = <96 82>; |
| 21 | fsl,ssp-dma-channel = <0>; |
| 22 | bus-width = <8>; |
| 23 | }; |