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On the SJA1105, all ports support the parallel "xMII" protocols (MII, RMII, RGMII) except for port 4 on SJA1105R/S which supports only SGMII. This was relatively easy to model, by special-casing the SGMII port. On the SJA1110, certain ports can be pinmuxed between SGMII and xMII, or between SGMII and an internal 100base-TX PHY. This creates problems, because the driver's assumption so far was that if a port supports SGMII, it uses SGMII. We allow the device tree to tell us how the port pinmuxing is done, and check that against a PHY interface type compatibility matrix for plausibility. The other big change is that instead of doing SGMII configuration based on what the port supports, we do it based on what is the configured phy_mode of the port. The 2500base-x support added in this patch is not complete. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.