Connectivity naming conventions

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OMAP based TI's Connectivity Chips

As mentioned in the [connectivity_overview overview] the naming conventions for TI's connectivity chips for the OMAP platforms are WL127x, WL128x, WL18xx and WL19xx.

Software Packages for Connectivity on OMAP

The software for enabling connectivity for the OMAP platforms have taken multiple paths over the years. With multiple chips sets for connectivity (OMAP3 with 127x, OMAP3 with 128x, OMAP4 with 127x, etc., as mentioned here), and for various software distributions running on the OMAP platform (Ubuntu, pastries of Android, QNX, etc.) these splits in the development tree, into different branches, are inevitable. Compounded with these are the merges of software support branches for some connectivity devices through a common efforts or packages.

Internally, TI calls these development trees L23, L24, L25, L26, L27 etc. Some of these branches are released externally, and are hence supported completely. Hence, some of these branches are better known than the others. L24 and L27 are some such branches, which have been well supported, and recognized outside TI.

L24 is a "purely" Linux based branch, with Ubuntu as the main distribution platform. Some of the driver software had been upstreamed into the Linux kernel code (available from

L27 is an Android based branch of the connectivity enabler software. Various Android pastries, such as Elair, Froyo, Gingerbread, and Honeycomb, have been well supported.

As the software distributions evolve and as better, faster, novel connectivity technologies emerge, the support for the OMAP platform using these will also evolve and emerge, and in some cases, converge.

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