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Samin Guo
79e71d9569
The motorcomm phy (YT8531) supports the ability to adjust the drive strength of the rx_clk/rx_data. The YT8531 RGMII LDO voltage supports 1.8V/3.3V, and the LDO voltage can be configured with hardware pull-up resistors to match the SOC voltage (usually 1.8V). The software can read the registers 0xA001 obtain the current LDO voltage value. Reviewed-by: Hal Feng <hal.feng@starfivetech.com> Signed-off-by: Samin Guo <samin.guo@starfivetech.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.