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Alan Douglas 44d30d6228 phy: cadence: Add driver for Sierra PHY
Add a Sierra PHY driver with PCIe and USB support.

The PHY has multiple lanes, which can be configured into
groups, and a generic PHY device is created for each group.

There are two resets controlling the overall PHY block, one
to enable the APB interface for programming registers, and
another to enable the PHY itself.  Additionally there are
resets for each PHY lane.

The PHY can be configured in hardware to read register
settings from ROM, or they can be written by the driver.

The sequence of operation on startup is to enable the APB
bus, write the PHY registers (if required)  for each lane
group, and then enable the PHY.  Each group of lanes
can then be individually controlled using the power_on()/
power_off() function for that generic PHY

Signed-off-by: Alan Douglas <adouglas@cadence.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2018-12-12 10:01:38 +05:30
arch Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-11-03 18:25:17 -07:00
block for-linus-20181102 2018-11-02 11:25:48 -07:00
certs
crypto
Documentation dt-bindings: phy: Document cadence Sierra PHY bindings 2018-12-12 10:01:38 +05:30
drivers phy: cadence: Add driver for Sierra PHY 2018-12-12 10:01:38 +05:30
firmware
fs This pull request contains updates for UBIFS: 2018-11-04 14:46:04 -08:00
include phy: core: clean up unused ethernet specific phy modes 2018-12-12 10:01:37 +05:30
init
ipc
kernel Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-11-03 18:37:09 -07:00
lib
LICENSES
mm memory_hotplug: cond_resched in __remove_pages 2018-11-03 10:09:38 -07:00
net NFS client bugfixes for Linux 4.20 2018-11-04 08:20:09 -08:00
samples
scripts Kbuild updates for v4.20 (2nd) 2018-11-03 10:47:33 -07:00
security
sound
tools Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-11-03 18:25:17 -07:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: Add Kishon as maintainer of PHY bindings 2018-12-12 10:01:31 +05:30
Makefile Linux 4.20-rc1 2018-11-04 15:37:52 -08:00
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.