The Gateworks Ventana GW5600 is a media-centric single-board computer based on
the NXP IMX6 SoC with the following features:
 * PoE (emulated 802.3af)
 * IMX6 DualLite Soc (supports IMX6S,IMX6DL,IMX6Q)
 * 1GiB DDR3 DRAM (supports up to 4GiB)
 * 8GB eMMC
 * 1x microSD connector
 * Gateworks System Controller:
  - hardware watchdog
  - hardware monitor
  - pushbutton controller
  - EEPROM storage
  - power control
 * 1x bi-color USER LED
 * 1x front-panel pushbutton
 * 1x front-panel GbE
 * 2x front panel USB 2.0
 * 1x front panel USB OTG
 * 1x SIM socket
 * 1x miniPCIe socket with SATA (mSATA)
 * 1x miniPCIe socket with USB 2.0 (Modem)
 * 1x miniPCIe socket with PCIe, USB 2.0, and SIM
 * RS232/RS485 serial
  - 2x RS232 UARTs (off-board connector)
  - 1x RS485 (loading option)
 * 4x digital I/O signals (PWM/I2C/GPIO/5V/3.3V options)
 * 1x analog input (0 to 5V)
 * 1x CAN (loading option)
 * off-board LVDS:
  - I2C
  - 12V
  - LED driver (4x 330mA strings)
  - matrix keypad controller (8row x 10col)
  - I2S
  - dual-channel LVDS
  - PWM
 * off-board video input:
  - 16bit parallel / MIPI (IPU1_CSI0)
 * GPS (loading option)
 * Analog Video Input (CVBS) 3 inputs (1 active at a time)
 * Analog Audio Input/Output (2ch Line level, optional MIC/HP drivers)
 * HDMI out
 * JTAG programmable
 * Inertial Module

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Add the more specific QuadPlus compatible to the GPC node, to trigger the
required workarounds in the power domain code.

In regard to the interrupt mapping the QuadPlus controller is fully
compatible to the Quad one, so keep that compatible in place.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Adopt the i.MX6Q/DL DT to the new and more flexible GPC binding.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Remove the sky2 ethernet device node from the pcie controller which was
invalid to begin with.

The original intent was to allow the bootloader to populate the MAC via
dt but this requires the PCI bus topology to be complete in dt as well
and as these boards have an expansion connector that topology is dynamic
and can't be represented here.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Compiling the DT file with W=1, DTC warns like follows:

Warning (unit_address_vs_reg): Node /opp_table0/opp@1000000000 has a
unit name, but no reg property

Fix this by replacing '@' with '-' as the OPP nodes will never have a
"reg" property.

Reported-by: Krzysztof Kozlowski <krzk@kernel.org>
Reported-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Suggested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
[k.kozlowski: Split patch per ARM and ARM64]
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

The SPEAr600 has a built-in ADC, which already has a Device Tree binding
described in
Documentation/devicetree/bindings/staging/iio/adc/spear-adc.txt. This
commit adds the description in the SPEAr600 Device Tree of this ADC
device.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

The spear6xx doesn't have a pinctrl driver, since the pinmux is globally
defined through a single register, generally configured by the
firmware/bootloader.

Therefore, the pinctrl related properties in spear600-evb.dts are not
necessary.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

This commit moves spear600-evb.dts to use the new flash partition Device
Tree binding documented in
Documentation/devicetree/bindings/mtd/partition.txt.

As this Device Tree binding document says: "For backwards compatibility
partitions as direct subnodes of the mtd device are supported. This use
is discouraged."

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

This commit fixes a minor coding style issue in spear600-evb.dts:
missing spaces around equal sign.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

Now that we have introduced node labels in spear600.dtsi, we can use
them for spear600-evb.dts.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

Having labels allows to more easily reference nodes in .dts files
including spear600.dtsi.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

This patch fixes the following set of warnings on vexpress platforms:

 sysreg@010000 simple-bus unit address format error, expected "10000"
 sysctl@020000 simple-bus unit address format error, expected "20000"
 i2c@030000 simple-bus unit address format error, expected "30000"
 aaci@040000 simple-bus unit address format error, expected "40000"
 mmci@050000 simple-bus unit address format error, expected "50000"
 kmi@060000 simple-bus unit address format error, expected "60000"
 kmi@070000 simple-bus unit address format error, expected "70000"
 uart@090000 simple-bus unit address format error, expected "90000"
 uart@0a0000 simple-bus unit address format error, expected "a0000"
 uart@0b0000 simple-bus unit address format error, expected "b0000"
 uart@0c0000 simple-bus unit address format error, expected "c0000"
 wdt@0f0000 simple-bus unit address format error, expected "f0000"

Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>

Remove ADC channels that are not available by default on the sama5d3_xplained
board (resistor not populated) in order to not create confusion.

Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Cc: <stable@vger.kernel.org> # 3.16+
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

The voltage reference for the ADC is not 3V but 3.3V since it is connected to
VDDANA.

Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Cc: <stable@vger.kernel.org> # 3.16+
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

The envelope detector can analyze 6 different signals, selectable with a
mux controlled by three gpio pins.

Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

We found out that HW checksum generation only works from AST2500
onward. This disables it on AST2400 and removes the "no-hw-checksum"
properties in the device-trees. The problem we had wasn't related
to NC-SI.

Also rework the logic testing for that property so it can be used
to disable HW checksum generation and checking regardless of whether
NC-SI is used or not in case other variants out there need this.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

We test for aspeed chips to handle a couple of special cases,
but we do that by checking the machine type which isn't right.

Instead check the actual device compatible property. This also
updates the dtsi files for the aspeed SoC to match.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

Recently most nodes got labels to make them referenceable. The USB 3.0
nodes as well as the nodes for the SATA controllers were left out,
rectify the omission.

The labels "sataX" are already used by some boards for the SATA ports,
therefore use "ahciX" to label the SATA controller nodes.

To avoid potential confusion by labeling an USB3.0 controller "usb2" use
usb3_X as labels. This also coincides with the node names themselves
(usb@xxxxx vs usb3@xxxxx).

Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

Add the new hdmi phandle to exynos4.dtsi. This phandle is needed by the
s5p-cec driver to initialize the CEC notifier framework.

Tested with my Odroid U3.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
CC: linux-samsung-soc@vger.kernel.org
CC: devicetree@vger.kernel.org
CC: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

To use CEC notifier sti CEC driver needs to get phandle
of the hdmi device.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
CC: Patrice CHOTARD <patrice.chotard@st.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

The hpd pin of the second hdmi connector of the Utilite Pro is wired
up to a gpio pin of the SoC. Reflect this in the device tree.

Signed-off-by: Christopher Spinrath <christopher.spinrath@rwth-aachen.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

On imx6qp-sabresd LDO_ARM is connected to a different PMIC output than
the other imx6qdl-sabresd boards.

Setting cpu0 arm-supply to sw2_reg is wrong, this must have mistakenly
slipped out of the vendor tree where this is are used for LDO bypass.

Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Setting the supply is optional but beneficial, it will cause PMIC
voltages to be dynamically changed with cpu frequency.

Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

The Gateworks Ventana GW5903 is a single-board computer based on the NXP
IMX6 SoC with the following features:
 * IMX6 DualLite Soc (supports IMX6S,IMX6DL,IMX6Q)
 * 4GiB DDR3 DRAM
 * 32GB eMMC
 * 1x microSD connector
 * Gateworks System Controller:
  - hardware watchdog
  - hardware monitor
  - pushbutton controller
  - EEPROM storage
  - power control
 * JTAG programmable
 * Inertial Module
 * uBlox EMMY-W1 (bluetooth/nfc/802.11ac)

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

The i.MX25 contains two AHB to IP bridges (AIPS), each of which has a set of
control registers. Add the memory regions for the control registers to
the Device Tree.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Model the Carrier Board power distribution by adding a fixed 3.3V
and 5V regulator. The 3.3V regulator is connected to the backlight
as well as the display supply. The 5V regulator is used to supply
USB VBUS.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

The ADC is directly supplied by the PMIC 1.8V rail, remove the
superfluous fixed regulator.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

The regulator-always-on property on the Ethernet rail prevents Linux
from disabling the rail when Ethernet is shut down (suspend or simply
link down). With this change the regulator framework will disable the
rail when the Ethernet PHY is not used, saving power especially on
carrier board not using Ethernet.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Fix wrong voltage of PWR_EN_+V3.3 rail. The error had no noticeable
effect since no consumer explicitly requested a specific voltage.
Also use round voltages as it is common in other device trees.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

To make use of the new eLCDIF DRM driver OF graph description is
required. Describe the display using OF graph nodes.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

https://boundarydevices.com/product/nit6x-som-v2/



Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

max11801 touchscreen on Engicam iCoreM6 Quad module is
connected via i2c1, so add max11801: touchscreen@48 on i2c1.

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Domenico Acri <domenico.acri@engicam.com>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Rename the switch2@0 label of the switch2 node to switch@0 to respect
the general unit@address DTS rule, and be consistent with the other
switch nodes of the DTS file.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Add Synchronous Audio Interface(SAI) node for Engicam GEAM6UL
and Is.IoT MX6UL variant module boards.

Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Add touchscreen node as i2c1 slave device on Engicam Is.IoT MX6UL
modules, the touchscreen controlled 'st,stmpe-ts' connected via
i2c with st,stmpe811 mfd interface.

Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Add support for i2c nodes i2c1 and i2c2 on Is.IoT MX6UL
eMMC variant boards.

Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

lcdif nodes are differ wrt specific LCD connected on Is.IoT MX6UL
module, so create separate file 'imx6ul-isiot-common.dtsi' for common
lcdif node structure and include the same on respective dts.

More common nodes will add in future patches.

Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

This patch add support for lcdif backlight on Is.IoT MX6UL
variant boards.

Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

This patch add support for lcdif backlight on GEAM6UL
variant boards.

Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

This adds support for the Zodiac Inflight Innovations RDU2 board,
which has both a Quad and a QuadPlus variant.

The board supports different panels, with the bootloader patching
in the correct compatible, depending on the hardware configuration.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Tested-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Tested-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>