> For the complete documentation index, see [llms.txt](https://bananapi.gitbook.io/bpi-m2-ultra-open-source-single-board-computer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bananapi.gitbook.io/bpi-m2-ultra-open-source-single-board-computer/referencedocuments/linux-sunxi-document.md).

# linux-sunxi document

**linux-sunxi document**

Linux mainlining effort - linux-sunxi.org about allwinner chip:

<http://linux-sunxi.org/Linux_mainlining_effort>

linux-sunxi document R40:

<http://linux-sunxi.org/R40>

linux-sunxi document for BPI-M2 Ultra

<http://linux-sunxi.org/Sinovoip_Banana_Pi_M2_Ultra>

google driver forum：

<https://groups.google.com/forum/#!forum/linux-sunxi>