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096abe646461247b0cbe94ec74c52b4879b9768c
RK3568 has three combo phys, and PCIe/USB3/SATA/QSGMII controllers
share one pipe interface for each combo phy, here is the diagram of
the complex connection. This patch select the pipe to the corresponding
controller when set phy mode.
+----------------+
| | +------+
| USB3 OTG CTRL0 |---->| |
| | | | +------------+
+----------------+ | PIPE | | |
| MUX |---->| Combo PHY0 |
+----------------+ | | | |
| | | | +------------+
| SATA CTRL0 |---->| |
| | +------+
+----------------+
+----------------+
| | +------+
| USB3 HOST CTRL1|---->| |
| | | | +------------+
+----------------+ | PIPE | | |
| MUX |---->| Combo PHY1 |
+----------------+ | | | |
| |---->| | +------------+
| SATA CTRL1 | -->| |
| | | +------+
+----------------+ |
|
+----------------+ |
| | | +------+
| QSGMII CTRL |---->| |
| | | | +------------+
+----------------+ | PIPE | | |
| MUX |---->| Combo PHY2 |
+----------------+ | | | |
| |---->| | +------------+
| SATA CTRL2 | -->| |
| | | +------+
+----------------+ |
|
+----------------+ |
| | |
| PCIe2 1-Lane |---
| |
+----------------+
Change-Id: I6ec6dd0a0202119633e594c9a72f361156330b06
Signed-off-by: William Wu <william.wu@rock-chips.com>
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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.
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.
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