Kernel MMC

Overview
This page is specific to the MMC driver feature development on OMAP2+ platforms. All of the ongoing development on the MMC / SD driver all listed here.

HSMMC(Omap MMC/SD/SDIO controller) feature
- OMAP-4430 - SDA 2.0 - MMC4.41 - Dual data rate transfers (DDR mode) as specified in JEDEC JC64 - SDMA transfer mode for all 5 controllers - ADMA transfer mode for controller 1,2

MMC Support availability on mainline linux kernel
- Core MMC support - OMAP3xxx: Available on 2.6.33 - OMAP4  : Available on 2.6.35+ - Card detect support - OMAP3xxx: Available on 2.6.33 - OMAP4  : Available on 2.6.37+

Patches Submitted for review
Defect fixes are submitted to linux-mmc AT vger.kernel.org and linux-omap AT vger.kernel.org mailing lists.

MMC features under development (yet to be upstreamed)

 * 1) MMC ADMA2 scatterlist support for OMAP4 controllers - has dependency on DMA engine adaptations for OMAP
 * 2) AutoCMD12 support
 * 3) SDXC/UHS support
 * 4) Async request adaptations for SDIO.

Contact / Support
TI Contacts: Venkatraman S: , Balaji TK , Vish Puttagunta  Kernel mailing lists: linux-mmc AT vger.kernel.org, linux-omap AT vger.kernel.org