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c6578d9876
The main Audio DAC used on the EVK board is wm8524
The EVK provides the MCLK to wm8524.
Digital interface is SAI2 which includes three signals:
SYNC_CLK, BCLK and DACDAT.
This patch sets:
* SAI2 pinctrl configuration
* clock hierarchy
* wm8524 codec
Then uses simple-card machine driver to connect them
into a sound card.
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.