linux.git/Documentation/devicetree/bindings/phy, branch v4.17

Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

2018-04-06T04:18:09+00:00

Pull ARM SoC device tree updates from Arnd Bergmann:
 "This is the usual set of changes for device trees, with over 700
  non-merged changesets. There is an ongoing set of dtc warning fixes
  and the usual bugfixes, cleanups and added device support.

  The most interesting bit as usual is support for new machines listed
  below:

   - The Allwinner H6 makes its debut with the Pine-H64 board, and we
     get two new machines based on its older siblings: the H5 based
     OrangePi Zero+ and the A64 based Teres-I Laptop from Olimex. On the
     32-bit side, we add The Olimex som204 based on Allwinner A20, and
     the Banana Pi M2 Zero development board (based on H2).

   - NVIDIA adds support for Tegra194 aka "Xavier", plus their p2972
     development board and p2888 CPU module.

   - The Nuvoton npcm750 is a BMC that was newly added, for now we only
     support running on the evaluation board.

   - STmicroelectronics stm32 gains support for the stm32mp157c and two
     evaluation boards.

   - The Toradex Colibri board family grows a few members based on the
     i.MX6ULL variant.

   - The Advantec DMS-BA16 is a Qseven module using the NXP i.MX6 family
     of chips.

   - The Phytec phyBOARD Mira is a family of industrial boards based on
     i.MX6. For now, four models get added.

   - TI am335x based PDU-001 is an industrial embedded machine used for
     traffic monitoring

   - The Aspeed platform now supports running on the BMC on the Qualcomm
     Centriq 2400 server

   - Samsung Exynos4 based Galaxy S3 is a family of mobile phones
     Qualcomm msm8974 based Galaxy S5 is a rather different phone made
     by the same company.

   - The Xilinx Zynq and ZynqMP platforms now gained a lot of dts file
     for the various boards made by Xilinx themselves, as well as the
     Digilent Zybo Z7.

   - The ARM Versatile family now supports the "IB2" interface board.

   - The Renesas H2 based "Stout" and the H3 based Salvator-X are more
     evaluation boards named after a kind of beer, as most of them are.
     The r8a77980 (V3H) based "Condor" apparently doesn't follow that
     tradition. ;-)

   - ROC-RK3328-CC is a simple developement board from the Libre
     Computer Project, based on the Rockchips RK3328 SoC

   - Haiku is another development board plus Qseven module based on
     Rockchips RK3368 and made by Theobroma Systems"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (701 commits)
  arm: dts: modify Nuvoton NPCM7xx device tree structure
  arm: dts: modify Makefile NPCM750 configuration name
  arm: dts: modify clock binding in NPCM750 device tree
  arm: dts: modify timer register size in NPCM750 device tree
  arm: dts: modify UART compatible name in NPCM750 device tree
  arm: dts: add watchdog device to NPCM750 device tree
  arm64: dts: uniphier: add ethernet node for PXs3
  ARM: dts: uniphier: add pinctrl groups of ethernet for second instance
  arm: dts: kirkwood*.dts: use SPDX-License-Identifier for board using GPL-2.0+
  arm: dts: kirkwood*.dts: use SPDX-License-Identifier for boards using GPL-2.0+/MIT
  arm: dts: kirkwood*.dts: use SPDX-License-Identifier for boards using GPL-2.0
  arm: dts: armada-385-turris-omnia: use SPDX-License-Identifier
  arm: dts: armada-385-db-ap: use SPDX-License-Identifier
  arm: dts: armada-388-rd: use SPDX-License-Identifier
  arm: dts: armada-xp-db-xc3-24g4xg: use SPDX-License-Identifier
  arm: dts: armada-xp-db-dxbc2: use SPDX-License-Identifier
  arm: dts: armada-370-db: use SPDX-License-Identifier
  arm: dts: armada-*.dts: use SPDX-License-Identifier for most of the Armada based board
  arm: dts: armada-xp-98dx: use SPDX-License-Identifier for prestara 98d SoCs
  arm: dts: armada-*.dtsi: use SPDX-License-Identifier for most of the Armada SoCs
  ...

dt-bindings: phy-rockchip-typec: move extcon property to be optional.

2018-03-16T11:25:36+00:00

The extcon property is used to detect the cable-state but some boards
just connect the type-c phy to a regular USB-A connector without any
power-delivery and thus no controller reporting the cable-state.
So the extcon property is not really a required property, move it to be
optional instead.

Signed-off-by: Enric Balletbo i Serra 
Reviewed-by: Heiko Stuebner 
Signed-off-by: Kishon Vijay Abraham I

dt-bindings: phy-rockchip-typec: deprecate some register properties.

2018-03-16T11:25:32+00:00

As now the following register properties are in the driver, document as
deprecated these properties and recommend to not use them on new bindings.

The deprecated properties are:

- rockchip,typec-conn-dir : the register of type-c connector direction
- rockchip,usb3tousb2-en : the register of type-c force usb3 to usb2
                           enable control.
- rockchip,external-psm : the register of type-c phy external psm clock
                          selection.
- rockchip,pipe-status : the register of type-c phy pipe status.

Signed-off-by: Enric Balletbo i Serra 
Reviewed-by: Heiko Stuebner 
Reviewed-by: Rob Herring 
Signed-off-by: Kishon Vijay Abraham I

phy: mapphone-mdm6600: Add USB PHY driver for MDM6600 on Droid 4

2018-03-16T11:25:30+00:00

Let's add support for the GPIO controlled USB PHY on the MDM6600 modem.
It is used on some Motorola Mapphone series of phones and tablets such
as Droid 4.

The MDM6600 is hardwired to the first OHCI port in the Droid 4 case, and
is controlled by several GPIOs. The USB PHY is integrated into the MDM6600
device it seems. We know this as we get L3 errors from omap-usb-host if
trying to use the PHY before MDM6600 is configured.

The GPIOs controlling MDM6600 are used to power device on and off, to
configure the USB start-up mode (normal mode versus USB flashing), and
they also tell the state of the MDM6600 device.

The two start-up mode GPIOs are dual-purposed and used for out of band
(OOB) wake-up for USB and TS 27.010 serial mux. But we need to configure
the USB start-up mode first to get MDM6600 booted in the right mode to
be usable in the first place.

Note that the Motorola Mapphone Linux kernel tree has a "radio-ctrl"
driver for modems. But it really does not control the radio at all, it
just controls the modem power and start-up mode for USB. So I came to
the conclusion that we're better off having this done in the USB PHY
driver. For adding support for USB flashing mode, we can later on add
a kernel module option for flash_mode=1 or something similar.

Also note that currently there is no PM runtime support for the OHCI
on omap variant SoCs. So for low(er) power idle states, currenty both
ohci-platform and phy-mapphone-mdm6600 must be unloaded or unbound.

For reference here is what I measured for total power consumption on
an idle Droid 4 with and without USB related MDM6600 modules:

idle lcd off	phy-mapphone-mdm6600	ohci-platform
153mW		284mW			344mW

So it seems that MDM6600 is currently not yet idling even with it's
radio turned off, but that's something that is beyond the control of
this USB PHY driver. This patch does get us to the point where modem
data and GPS are usable with libqmi and ModemManager for example.
Voice calls need more audio driver work.

Cc: devicetree@vger.kernel.org
Cc: Mark Rutland 
Cc: Marcel Partap 
Cc: Michael Scott 
Cc: Rob Herring 
Reviewed-by: Rob Herring 
Signed-off-by: Tony Lindgren 
Signed-off-by: Kishon Vijay Abraham I

dt-bindings: add bindings doc for HiSilicon INNO USB2 PHY

2018-03-16T11:25:28+00:00

It adds device tree bindings document for HiSilicon INNO USB2 PHY.

Signed-off-by: Pengcheng Li 
Signed-off-by: Jiancheng Xue 
Signed-off-by: Shawn Guo 
Reviewed-by: Rob Herring 
Signed-off-by: Kishon Vijay Abraham I

dt-bindings: rcar-gen3-phy-usb3: Add bindings for r8a77965

2018-03-16T11:25:27+00:00

This patch adds bindings for r8a77965 (R-Car M3-N).

Signed-off-by: Yoshihiro Shimoda 
Reviewed-by: Geert Uytterhoeven 
Reviewed-by: Rob Herring 
Signed-off-by: Kishon Vijay Abraham I

dt-bindings: rcar-gen3-phy-usb2: Add bindings for r8a77965

2018-03-16T11:25:25+00:00

This patch adds support for r8a77965 (R-Car M3-N).

Signed-off-by: Yoshihiro Shimoda 
Reviewed-by: Geert Uytterhoeven 
Reviewed-by: Rob Herring 
Signed-off-by: Kishon Vijay Abraham I

dt-bindings: phy: add support for STM32 USB PHY Controller (USBPHYC)

2018-03-16T08:10:46+00:00

This patch adds the device tree bindings description for STM32 USBPHYC
(USB PHY Controller).

Signed-off-by: Amelie Delaunay 
Reviewed-by: Rob Herring 
Signed-off-by: Kishon Vijay Abraham I

dt-bindings: phy: Add support for the USB3 PHY on Amlogic Meson GXL SoCs

2018-03-16T08:10:44+00:00

Amlogic Meson GXL SoCs use a dwc3 controller with two (GXM - a variant
for GXL, has three) USB2 ports. The first USB2 port supports host and
peripheral (also called "device") mode.
While the dwc3 controller has no USB3 port enabled we still need the
USB3 PHY to be initialized. Otherwise high-speed USB transfers (for
example with a USB flash drive) may time out (most often seen on boards
with mainline u-boot, where the bootloader does not initialize the USB3
PHY registers).

Signed-off-by: Martin Blumenstingl 
Reviewed-by: Rob Herring 
Tested-by: Yixun Lan 
Tested-by: Neil Armstrong 
Signed-off-by: Kishon Vijay Abraham I

dt-bindings: phy-mtk-tphy: add properties for U2 slew rate calibrate

2018-03-16T08:10:43+00:00

Add two properties of ref_clk and coefficient used by U2 slew rate
calibrate which may vary on different SoCs

Signed-off-by: Chunfeng Yun 
Reviewed-by: Matthias Brugger 
Signed-off-by: Kishon Vijay Abraham I