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The Banana Pro has an AMPAK AP6181 WiFi+Bluetooth module. The WiFi part is a BCM43362 IC connected to MMC3 of the A20 SoC via SDIO. The IC also takes a power enable signal via GPIO. This commit adds a device-tree node to power it up, so the mmc subsys can scan it, and enables the mmc controller which is connected to it. As the wifi enable pin of the AP6181 module is not really a regulator, switch the mmc3 node to the mmc-pwrseq framework for controlling it. This more accurately reflectes how the hardware actually works. Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.