6893 Commits

Author SHA1 Message Date
Ivan T. Ivanov
3ecb3e09b0 usb: chipidea: Use extcon framework for VBUS and ID detect
On recent Qualcomm platforms VBUS and ID lines are not routed to
USB PHY LINK controller. Use extcon framework to receive connect
and disconnect ID and VBUS notification.

Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
2015-10-22 09:24:25 +08:00
Dave Airlie
2b5f900e4f Merge branch 'drm/next/du' of git://linuxtv.org/pinchartl/fbdev into drm-next
rcar-du support for r8a7793/4
* 'drm/next/du' of git://linuxtv.org/pinchartl/fbdev:
  drm: rcar-du: Add support for the R8A7794 DU
  drm: rcar-du: Add support for the R8A7793 DU
2015-10-22 10:31:43 +10:00
Dave Airlie
1f43710a8e Merge tag 'drm-vc4-next-2015-10-21' of http://github.com/anholt/linux into drm-next
This pull request introduces the vc4 driver, for kernel modesetting on
the Raspberry Pi (bcm2835/bcm2836 architectures).  It currently
supports a display plane and cursor on the HDMI output.  The driver
doesn't do 3D, power management, or overlay planes yet.

[airlied: fixup the enable/disable vblank APIs]

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>

* tag 'drm-vc4-next-2015-10-21' of http://github.com/anholt/linux:
  drm/vc4: Allow vblank to be disabled
  drm/vc4: Use the fbdev_cma helpers
  drm/vc4: Add KMS support for Raspberry Pi.
  drm/vc4: Add devicetree bindings for VC4.
2015-10-22 10:31:17 +10:00
Stephen Boyd
f63d19ef52 Merge branch 'clk-iproc' into clk-next
* clk-iproc:
  clk: iproc: define Broadcom NS2 iProc clock binding
  clk: iproc: define Broadcom NSP iProc clock binding
  clk: ns2: add clock support for Broadcom Northstar 2 SoC
  clk: iproc: Separate status and control variables
  clk: iproc: Split off dig_filter
  clk: iproc: Add PLL base write function
  clk: nsp: add clock support for Broadcom Northstar Plus SoC
  clk: iproc: Add PWRCTRL support
  clk: cygnus: Convert all macros to all caps
  ARM: cygnus: fix link failures when CONFIG_COMMON_CLK_IPROC is disabled
2015-10-21 17:28:19 -07:00
Jon Mason
0064c86234 clk: iproc: define Broadcom NS2 iProc clock binding
Document the device tree bindings for Broadcom Northstar 2 architecture
based clock controller

Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-10-21 17:23:03 -07:00
Jon Mason
7f3c46327f clk: iproc: define Broadcom NSP iProc clock binding
Document the device tree bindings for Broadcom Northstar Plus
architecture based clock controller

Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-10-21 17:23:01 -07:00
Scott Wood
0dfc86b317 clk: qoriq: Move chip-specific knowledge into driver
The device tree should describe the chips (or chip-like subblocks) in
the system, but it generally does not describe individual registers --
it should identify, rather than describe, a programming interface.

This has not been the case with the QorIQ clockgen nodes.  The
knowledge of what each bit setting of CLKCnCSR means is encoded in
three places (binding, pll node, and mux node), and the last also needs
to know which options are valid on a particular chip.  All three of
these locations are considered stable ABI, making it difficult to fix
mistakes (of which I have found several), much less refactor the
abstraction to be able to address problems, limitations, or new chips.

Under the current binding, a pll clock specifier of 2 means that the
PLL is divided by 4 -- and the driver implements this, unless there
happen to be four clock-output-names rather than 3, in which case it
interprets it as PLL divided by 3.  This does not appear in the binding
documentation at all.  That hack is now considered stable ABI.

The current device tree nodes contain errors, such as saying that
T1040 can set a core clock to PLL/4 when only PLL and PLL/2 are options.
The current binding also ignores some restrictions on clock selection,
such as p5020's requirement that if a core uses the "wrong" PLL, that
PLL must be clocked lower than the "correct" PLL and be at most 80% of
the rated CPU frequency.

Possibly because of the lack of the ability to express such nuance in
the binding, some valid options are omitted from the device trees, such
as the ability on p4080 to run cores 0-3 from PLL3 and cores 4-7 from
PLL1 (again, only if they are at most 80% of rated CPU frequency).
This omission, combined with excessive caution in the cpufreq driver
(addressed in a subsequent patch), means that currently on a 1500 MHz
p4080 with typical PLL configuration, cpufreq can lower the frequency
to 1200 MHz on half the CPUs and do nothing on the others.  With this
patchset, all CPUs can be lowered to 1200 MHz on a rev2 p4080, and on a
rev3 p4080 half can be lowered to 750 MHz and the other half to 600
MHz.

The current binding only deals with CPU clocks.  To describe FMan in
the device tree, we need to describe its clock.  Some chips have
additional muxes that work like the CPU muxes, but are not described in
the device tree.  Others require inspecting the Reset Control Word to
determine which PLL is used.  Rather than continue to extend this mess,
replace it.  Have the driver bind to the chip-specific clockgen
compatible, and keep the detailed description of quirky chip variations
in the driver, where it can be easily fixed, refactored, and extended.

Older device trees will continue to work (including a workaround for
old ls1021a device trees that are missing compatible and reg in the
clockgen node, which even the old binding required).  The pll/mux
details in old device trees will be ignored, but "clocks" properties
pointing at the old nodes will still work, and be directed at the
corresponding new clock.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
2015-10-21 18:05:52 -05:00
Laurent Pinchart
090425c45d drm: rcar-du: Add support for the R8A7794 DU
The R8A7794 DU has a fixed output routing configuration with one RGB
output per CRTC and thus lacks the RGB output routing register field.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2015-10-21 18:52:38 +03:00
Laurent Pinchart
f1ceb84ae0 drm: rcar-du: Add support for the R8A7793 DU
The R8A7793 DU is identical to the R8A7791 and thus only requires a new
DT compatible string.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2015-10-21 18:52:37 +03:00
Heiko Schocher
d88ecb373b net: phy: smsc: disable energy detect mode
On some boards the energy enable detect mode leads in
trouble with some switches, so make the enabling of
this mode configurable through DT.

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-21 06:41:44 -07:00
Heiko Schocher
9e42f71526 drivers: net: cpsw: add phy-handle parsing
add the ability to parse "phy-handle". This
is needed for phys, which have a DT node, and
need to parse DT properties.

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-21 06:41:42 -07:00
Sjoerd Simons
13531520e3 ASoC: rockchip: Drop unneeded properties rockchip i2s/spdif bindings
Neither the rockchip i2s nor the rockchip spdif binding support child
devices so #address-cells and #size-cells properties aren't required.
Remove these from the bindings.

Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-10-21 13:28:44 +01:00
Eric Anholt
1f95732410 drm/vc4: Add devicetree bindings for VC4.
VC4 is the GPU (display and 3D) subsystem present on the 2835 and some
other Broadcom SoCs.

This binding follows the model of msm, imx, sti, and others, where
there is a subsystem node for the whole GPU, with nodes for the
individual HW components within it.

v2: Extend the commit message, fix several nits from Stephen Warren.
v3: Rename the compatibility strings, clean up node names, drop the
    unnecessary lists of components.  Use compatibility strings for
    choosing CRTC HVS channel numbers.  Document the HDMI clock usage.
v4: Whitespace fix, expand acronyms, move to display/ instead of gpu/,
    rename "hpd-gpio" to "hpd-gpios".

Signed-off-by: Eric Anholt <eric@anholt.net>
2015-10-21 10:33:00 +01:00
Michael Turquette
254f9463c5 Merge branch 'clk-shmobile-for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-next 2015-10-21 02:26:51 -07:00
Geert Uytterhoeven
3686d3e7d6 clk: shmobile: Add new Renesas CPG/MSSR DT bindings
On Renesas ARM SoCs (SH/R-Mobile, R-Car, RZ), the CPG (Clock Pulse
Generator) and MSSR (Module Standby and Software Reset) blocks are
intimately connected, and share the same register block.

Hence it makes sense to describe these two blocks using a
single device node in DT, instead of using a hierarchical structure with
multiple nodes, using a mix of generic and SoC-specific bindings.

These new DT bindings are intended to replace the existing DT bindings
for CPG core clocks ("renesas,*-cpg-clocks", "renesas,cpg-div6-clock")
and module clocks ("renesas,*-mstp-clocks"), at least for new SoCs.

This will make it easier to add module reset support later, which is
currently not implemented, and difficult to achieve using the existing
bindings due to the intertwined register layout.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Michael Turquette <mturquette@baylibre.com>
Reviewed-by: Magnus Damm <damm+renesas@opensource.se>
2015-10-20 20:35:34 +02:00
Wolfram Sang
7bb6da5a3d i2c: sh_mobile: add support for r8a7795 (R-Car H3)
Enable the I2C core for this SoC. It is compitable to Gen2 SoCs, so
reuse the settings.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2015-10-20 18:10:20 +02:00
Wolfram Sang
e7db0d34b3 i2c: rcar: add support for r8a7795 (R-Car H3)
Enable the I2C core for this SoC. I add a new type because this version
has new features (e.g. DMA) which will be added somewhen later.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2015-10-20 18:03:07 +02:00
Alexander Sverdlin
35780e860f i2c: davinci: Optimize clock generation on Keystone SoC
According to "KeyStone Architecture Inter-IC Control Bus User Guide", fixed
additive part of frequency divisors (referred as "d" in the code and datasheet)
always equals to 6, independent of module clock prescaler.

                         module clock frequency
master clock frequency = ----------------------
                         (ICCL + 6) + (ICCH + 6)

It was not the case with original Davinci IP. Introduce new compatible property
"ti,keystone-i2c", which triggers special handling in the driver.

Without this change Keystone-based systems (having 204.8MHz input clock) choose
prescaler 29 (PSC=28). Using d=5 in this case leads to bus bitrate ~353kHz
instead of requested 400kHz. After correction, assuming d=6 bus rate is ~392kHz.
This gives ~11% transfer rate increase.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Tested-by: Hemanth Guruva Reddy <hemanth.guruva_reddy@nokia.com>
Tested-by: Lukasz Gemborowski <lukasz.gemborowski@nokia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2015-10-20 17:05:16 +02:00
Krzysztof Kozlowski
2b748a2f64 dt-bindings: rng: Describe Exynos4 PRNG bindings
Document the bindings used by exynos-rng Pseudo Random Number Generator
driver.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-10-20 22:13:58 +08:00
David S. Miller
26440c835f Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/usb/asix_common.c
	net/ipv4/inet_connection_sock.c
	net/switchdev/switchdev.c

In the inet_connection_sock.c case the request socket hashing scheme
is completely different in net-next.

The other two conflicts were overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-20 06:08:27 -07:00
Gary Bisson
16fa43988c of: Add Boundary Devices Inc. vendor prefix
This patch adds the vendor prefix for Boundary Devices Inc. which is a
supplier of ARM-based single board computers and System-on-Modules for
the general embedded market.

Website: http://boundarydevices.com/

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2015-10-19 22:45:22 +08:00
Moritz Fischer
908ca2dbc8 ARM: dt: fpga: Added binding docs for Xilinx Zynq FPGA manager.
Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 21:57:16 -07:00
Vladimir Zapolskiy
b4c3fcb3c7 misc: sram: extend usage of reserved partitions
This change adds functionality to operate on reserved SRAM partitions
described in device tree file. Two partition properties are added,
"pool" and "export", the first one allows to share a specific partition
for usage by a kernel consumer in the same manner as it is done for
the whole SRAM device, and "export" property provides access to some
SRAM area from userspace over sysfs interface. Practically it is
possible to specify both properties for an SRAM partition, however
simultaneous access from a kernel consumer and from userspace is not
serialized, but still the combination may be useful for debugging
purpose.

The change opens the following scenarios of SRAM usage:
* updates in a particular SRAM area specified by offset and size are
  done by bootloader, then this information is utilized by the kernel,
* a particular SRAM area is rw accessed from userspace, the stored
  data is persistent on soft reboots,
* a device driver secures SRAM area for its purposes,
* etc.

Note, strictly speaking the added optional properties describe policy
of SRAM usage, rather than hardware, but here the policy mostly
resembles flash partitions in devicetree, which is undoubtedly
a very popular option but it does not describe hardware.

Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 21:51:47 -07:00
Geert Uytterhoeven
06e7bd1f9b serial: pl011: Spelling s/clocks-names/clock-names/
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 21:18:30 -07:00
Greg Kroah-Hartman
539669779a phy: for 4.4
*) Add new PHY driver for Broadcom's cygnus PCIe PHY
 *) Add USB3 PHY driver for mediatek's SoCs
 *) Add VBUS regulator support for Samsung's exynos PHY
 *) Misc cleanup
 
 Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next

Kishon writes:

phy: for 4.4

*) Add new PHY driver for Broadcom's cygnus PCIe PHY
*) Add USB3 PHY driver for mediatek's SoCs
*) Add VBUS regulator support for Samsung's exynos PHY
*) Misc cleanup

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-10-17 20:12:19 -07:00
Maxime Ripard
bef6229f36 ARM: sunxi: Add R8 support
The R8 is a new Allwinner SoC based on the A13. While both are very
similar, there's still a few differences. Introduce a new compatible to
deal with them.

In order to have a consistent naming, instead of mentioning the Allwinner
A series as the machine name, switch to sun4i/sun5i like what is done for
the other families.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
2015-10-17 18:47:28 +02:00
Lee Jones
b5f6737685 mailbox: dt: Supply bindings for ST's Mailbox IP
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2015-10-17 10:36:56 +05:30
Zhao Qiang
a109752ea6 powerpc/t104xd4rdb: add DS26522 nodes to device tree
DS26522 is used for tdm, configured by SPI bus.
Add nodes under spi node to t104xd4rdb.dtsi.

Signed-off-by: Zhao Qiang <qiang.zhao@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
2015-10-16 19:32:11 -05:00
Franklin S Cooper Jr
af33e0ad1b Input: edt-ft5x06 - add support for FT5506
FT5506 is essentially the same as other FT5x06 devices other than
supporting 10 support points.

Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-16 16:58:45 -07:00
Ezequiel Garcia
3a341a4c30 Input: rotary-encoder - add support for quarter-period mode
Some encoders have both outputs low in stable states, others also have
a stable state with both outputs high (half-period mode) and some have
a stable state in all steps (quarter-period mode). The driver used to
support the former states and with this change it can also support the
later.

This commit also deprecates the 'half-period' property and introduces
a new property 'steps-per-period'. This property specifies the
number of steps (stable states) produced by the rotary encoder
for each GPIO period.

Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar>
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-16 15:32:18 -07:00
Sascha Hauer
0d19208e70 regulator: i.MX anatop: Allow supply regulator
The anatop regulators are SoC internal LDO regulators usually supplied
by an external PMIC. This patch adds support for specifying the supply
from the device tree using the vin-supply property.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-10-16 17:59:34 +01:00
Geert Uytterhoeven
4681347153 dt-bindings: Correct paths in Rockchip power domains binding document
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2015-10-16 17:38:36 +02:00
Jisheng Zhang
c55a774611 pinctrl: dt-binding: document berlin4ct SoC pinctrl
Add berlin4ct to existing berlin pinctrl device tree binding.

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-10-16 16:16:19 +02:00
Mark Rutland
b531566e4d Docs: dt: Add PCI MSI map bindings
Currently msi-parent is used by a few bindings to describe the
relationship between a PCI root complex and a single MSI controller, but
this property does not have a generic binding document.

Additionally, msi-parent is insufficient to describe more complex
relationships between MSI controllers and devices under a root complex,
where devices may be able to target multiple MSI controllers, or where
MSI controllers use (non-probeable) sideband information to distinguish
devices.

This patch adds a generic binding for mapping PCI devices to MSI
controllers. This document covers msi-parent, and a new msi-map property
(specific to PCI*) which may be used to map devices (identified by their
Requester ID) to sideband data for each MSI controller that they may
target.

Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2015-10-16 11:43:03 +01:00
Arnd Bergmann
82f8817470 ARM Keystone DTS part2 for 4.4
- Typo fix the soc binding documentation
 	- NETCP Accumulator nodes
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Merge tag 'keystone-dts-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/dt

Merge "ARM Keystone DTS part2 for 4.4" from Santosh Shilimkar:

	- Typo fix the soc binding documentation
	- NETCP Accumulator nodes

* tag 'keystone-dts-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  ARM: dts: keystone: enable accumulator channels
  Documentation: dt: keystone: Fix up missing quotes
2015-10-15 22:35:46 +02:00
Arnd Bergmann
7a0205bc18 Support for additional ARM MPMCs to the PL172 driver and an update to
the bindings documentation to reflect this from Vladimir Zapolskiy.
 
 "The change adds support of ARM PrimeCell PL175 MPMC and PL176 MPMC,
  the static memory controllers on devices are similar to one found on
  ARM PrimeCell PL172, add support to the existing driver."
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Merge tag 'drivers_pl172_for_4.4' of https://github.com/manabian/linux-lpc into next/drivers

Merge "PL172 driver updates for v4.4" from Joachim Eastwood:

Support for additional ARM MPMCs to the PL172 driver and an update to
the bindings documentation to reflect this from Vladimir Zapolskiy.

"The change adds support of ARM PrimeCell PL175 MPMC and PL176 MPMC,
 the static memory controllers on devices are similar to one found on
 ARM PrimeCell PL172, add support to the existing driver."

* tag 'drivers_pl172_for_4.4' of https://github.com/manabian/linux-lpc:
  doc: dt: arm,pl172: add description of PL175 and PL176 controllers
  memory: pl172: add ARM PrimeCell PL176 MPMC support
  memory: pl172: add ARM PrimeCell PL175 MPMC support
  memory: pl172: correct MPMC peripheral ID register bits
2015-10-15 22:26:03 +02:00
Arnd Bergmann
cfd96d3e74 ARM Keystone SOC driver updates for 4.4
Documentation and support to be able to load the PDSP
 	firmware necessary for accumulator operation.
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Merge tag 'keystone-driver-soc_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/soc

Merge "ARM Keystone SOC driver updates for 4.4" from Santosh Shilimkar:

	Documentation and support to be able to load the PDSP
	firmware necessary for accumulator operation.

* tag 'keystone-driver-soc_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  soc: ti: qmss: make acc queue support optional in the driver
  soc: ti: add firmware file name as part of the driver
  Documentation: dt: soc: Add description for knav qmss driver
2015-10-15 22:22:26 +02:00
Arnd Bergmann
19f47051e5 mvebu soc for 4.4 (part 1)
L2 caches optimization for Armada XP
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Merge tag 'mvebu-soc-4.4-1' of git://git.infradead.org/linux-mvebu into next/soc

Merge "mvebu soc for 4.4 (part 1)" from Gregory CLEMENT:

L2 caches optimization for Armada XP

* tag 'mvebu-soc-4.4-1' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: add support to clear shared L2 bit on Armada XP
2015-10-15 22:03:35 +02:00
Marc Zyngier
166bdbd231 iommu/arm-smmu: Add support for MSI on SMMUv3
Despite being a platform device, the SMMUv3 is capable of signaling
interrupts using MSIs. Hook it into the platform MSI framework and
enjoy faults being reported in a new and exciting way.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
[will: tidied up the binding example and reworked most of the code]
Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-10-15 16:29:58 +01:00
Arnd Bergmann
d819e7a752 Qualcomm ARM Based Device Tree Updates for v4.4
* Add DT binding document for SMEM
 * Add SMD, RPM, and Regulator nodes on MSM8974
 * Remove extra reg element from iadc device
 * Remove redunandant i2c pinctrl properties on APQ8064
 * Remove unnecessary eeprom label on IFC6410
 * Remove unnecessary eeprom label from QS600
 * Add PM8921 RTC support on APQ8064
 * Add PM8921 pwrkey support on APQ8064
 * Prefix GSBI6 uart pins on APQ8064 correctly
 * Add missing GSBI7 uart pinctrl on APQ8064
 * Add missing GSBI7 uart pinctrl on IFC6410
 * Add missing GSBI7 pinctrl uart property on QS600
 * Add pwrseq support for WLAN on IFC6410
 * Add pwrseq support for WLAN on QS600
 * Add notify led support on IFC6410
 * Add SD card detect support onQS600
 * Add #power-domain-cells property to documentation
 * Add Qualcomm SMBB binding document
 * Add PM8941 charge node
 * Fix typo in disabled property on MSM8974
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Merge tag 'qcom-dt-for-4.4' of git://codeaurora.org/quic/kernel/agross-msm into next/dt

Pull "Qualcomm ARM Based Device Tree Updates for v4.4" from Andy Gross:

* Add DT binding document for SMEM
* Add SMD, RPM, and Regulator nodes on MSM8974
* Remove extra reg element from iadc device
* Remove redunandant i2c pinctrl properties on APQ8064
* Remove unnecessary eeprom label on IFC6410
* Remove unnecessary eeprom label from QS600
* Add PM8921 RTC support on APQ8064
* Add PM8921 pwrkey support on APQ8064
* Prefix GSBI6 uart pins on APQ8064 correctly
* Add missing GSBI7 uart pinctrl on APQ8064
* Add missing GSBI7 uart pinctrl on IFC6410
* Add missing GSBI7 pinctrl uart property on QS600
* Add pwrseq support for WLAN on IFC6410
* Add pwrseq support for WLAN on QS600
* Add notify led support on IFC6410
* Add SD card detect support onQS600
* Add #power-domain-cells property to documentation
* Add Qualcomm SMBB binding document
* Add PM8941 charge node
* Fix typo in disabled property on MSM8974

* tag 'qcom-dt-for-4.4' of git://codeaurora.org/quic/kernel/agross-msm:
  ARM: dts: msm8974: fix typo in "disabled" property
  ARM: dts: qcom-pm8941: Add charger node
  dt-binding: power: Add Qualcomm SMBB binding
  arm: dts: qcom: Add #power-domain-cells property
  ARM: dts: qs600: Add SD card detect support.
  ARM: dts: apq8064-ifc6410: add notify led support.
  ARM: dts: qs600: add pwrseq support to WLAN
  ARM: dts: ifc6410: Add pwrseq support for WLAN
  ARM: dts: qs600: Add missing pinctrl property for gsbi7 uart
  ARM: dts: ifc6410: Add missing pinctrl to gsbi7 uart
  ARM: dts: apq8064: add missing gsbi7 uart pinctrl
  ARM: dts: apq8064: Prefix the gsbi6 uart pins correctly
  ARM: dts: apq8064: add pm8921 pwrkey support
  ARM: dts: apq8064: add pm8921 rtc
  ARM: dts: qs600: remove unnecessary eeprom label
  ARM: dts: ifc6410: remove unnecessary eeprom label
  ARM: dts: apq8064: remove redundant i2c pinctrl properties
  ARM: dts: qcom: Remove extra reg element from iadc device
  ARM: dts: msm8974: Add smd, rpm and regulator nodes
  soc: qcom: Add device tree binding for SMEM
2015-10-15 17:21:01 +02:00
Hans de Goede
6f29d3b277 Input: gpio_keys_polled - add support for abs/rel axis
This changAdd support for EV_ABS / EV_REL events to the gpio-keys-polled driver.


The driver already allows specifying what type of events (key / rel / abs)
a button generates when pressed, but for rel / abs axis we also need to
specify which value this specific gpio represents.

One use case is digital joysticks / direction-pads which are hooked up to
gpio, in this case we've left and right buttons which we want to map to
EV_ABS, ABS_X and we want generate events for left with a value of -1 and
for right with a value of +1 (and similar for up / down and ABS_Y).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-14 17:15:04 -07:00
Arnd Bergmann
b1ee27d44d Samsung DT updates for v4.4
- New board support
   : add exynos5250-snow-rev5 DT file to support Snow Rev5+ board
   : add exynos5422-odroidxu4 DT file to support Odroid XU4 board
   : split exynos5422-odroidxu3-audio DT file from odroidxu3-common
 
 - USE GPIO constants for flags cells for exynos boards
 - fix cpu compatible value to 'arm926ej-s' for s3c2416
 
 - add DMA support for serial ports for exynos4
 - add suspend opp for exynos4412
 - remove regulator-compatible usage for exynos4412-trats2
 
 - enable EC vboot context support for Peach boards
 - move display-timings node to DP for exynos5250-arndale, smdk5250 and smdk5420
 
 - for exynos4412-odroid/odroidu3
   : unify voltage regulator style and
   : remove redundant pinctrl settings
   : add pwm-fan node and use it as a colling device
 
 - for exynos5422-odroidxu3
   : fix power off method and LEDs
 
 - dt-bindings
   : grounded AC0KB pin on S2MPS11
   : entry how to use PWM FAN as a cooling device
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Merge tag 'samsung-dt-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt

Merge "Samsung DT updates for v4.4" from Kukjin Kim:

- New board support
  : add exynos5250-snow-rev5 DT file to support Snow Rev5+ board
  : add exynos5422-odroidxu4 DT file to support Odroid XU4 board
  : split exynos5422-odroidxu3-audio DT file from odroidxu3-common

- USE GPIO constants for flags cells for exynos boards
- fix cpu compatible value to 'arm926ej-s' for s3c2416

- add DMA support for serial ports for exynos4
- add suspend opp for exynos4412
- remove regulator-compatible usage for exynos4412-trats2

- enable EC vboot context support for Peach boards
- move display-timings node to DP for exynos5250-arndale, smdk5250 and smdk5420

- for exynos4412-odroid/odroidu3
  : unify voltage regulator style and
  : remove redundant pinctrl settings
  : add pwm-fan node and use it as a colling device

- for exynos5422-odroidxu3
  : fix power off method and LEDs

- dt-bindings
  : grounded AC0KB pin on S2MPS11
  : entry how to use PWM FAN as a cooling device

* tag 'samsung-dt-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (22 commits)
  ARM: dts: Use GPIO constants for flags cells in exynos5440 boards
  ARM: dts: Use GPIO constants for flags cells in exynos5420/5422/5800 boards
  ARM: dts: Use GPIO constants for flags cells in exynos4412 boards
  ARM: dts: Use GPIO constants for flags cells in exynos4120 boards
  ARM: dts: Use GPIO constants for flags cells in exynos3250 boards
  ARM: dts: Enable EC vboot context support on Peach boards
  ARM: dts: Remove regulator-compatible usage in exynos4412-trats2
  ARM: dts: Move display-timings node from fimd to dp in exynos5250-arndale, smdk5250 and smdk5420
  ARM: dts: Add Exynos5250 Snow Rev5+ support on exynos5250-snow-rev5
  ARM: dts: Unify voltage regulator style in exynos4412-odroid
  ARM: dts: Remove redundant pinctrl settings in exynos4412-odroid
  ARM: dts: Fix cpu compatible value for s3c2416
  ARM: dts: Add support Odroid XU4 board for exynos5422-odroidxu4
  ARM: dts: Split audio configuration to separate exynos5422-odroidxu3-audio
  ARM: dts: Fix power off method for exynos5422-odroidxu3-common
  dt-bindings: Document grounded ACOKB pin on S2MPS11
  ARM: dts: use pwm-fan device as a cooling device for exynos4412-odroidu3
  ARM: dts: Add pwm-fan node for exynos4412-odroidu3
  dt-bindings: Documentation entry to explain how to use PWM FAN as a cooling device
  ARM: dts: add suspend opp to exynos4412
  ...
2015-10-14 17:57:03 +02:00
Arnd Bergmann
c049adc9fd ARM System Control and Power Interface(SCPI) support
It adds support for the following features provided by SCP firmware
 using different subsystems in Linux:
   1. SCPI mailbox protocol driver which using mailbox framework
   2. Clocks provided by SCP using clock framework
   3. CPU DVFS(cpufreq) using existing arm-big-little driver
   4. SCPI based sensors including temperature sensors
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Merge tag 'arm-scpi-for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into next/drivers

Merge "ARM System Control and Power Interface(SCPI) support" from Sudeep Holla

It adds support for the following features provided by SCP firmware
using different subsystems in Linux:
  1. SCPI mailbox protocol driver which using mailbox framework
  2. Clocks provided by SCP using clock framework
  3. CPU DVFS(cpufreq) using existing arm-big-little driver
  4. SCPI based sensors including temperature sensors

* tag 'arm-scpi-for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  hwmon: Support thermal zones registration for SCP temperature sensors
  hwmon: Support sensors exported via ARM SCP interface
  firmware: arm_scpi: Extend to support sensors
  Documentation: add DT bindings for ARM SCPI sensors
  cpufreq: arm_big_little: add SCPI interface driver
  clk: scpi: add support for cpufreq virtual device
  clk: add support for clocks provided by SCP(System Control Processor)
  firmware: add support for ARM System Control and Power Interface(SCPI) protocol
  Documentation: add DT binding for ARM System Control and Power Interface(SCPI) protocol
2015-10-14 17:07:32 +02:00
Daniel Thompson
ff90900a4b dt-bindings: Document the STM32 HW RNG bindings
This adds documentation of device tree bindings for the STM32 hardware
random number generator.

Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-10-14 22:23:26 +08:00
Suman Anna
c0e44929b5 Documentation: dt: Update OMAP iommu bindings for DRA7 DSPs
The DSP processor sub-systems on DRA7xx have two MMU instances
each, one for the processor core and the other for an internal
EDMA block. These MMUs need an additional shared register to be
programmed in the DSP_SYSTEM sub-module to be enabled properly.

The OMAP IOMMU bindings is updated to account for this additional
syscon property required for these DSP IOMMU instances on DRA7xx
SoCs. A new compatible "ti,dra7-dsp-iommu" is also defined to
distinguish these devices specifically from other DRA7 IOMMU
devices.

An example of the DRA7 DSP IOMMU nodes is also added to the
document for clarity.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2015-10-14 14:35:47 +02:00
Sylvain Rochet
47ec6e5a5f Input: rotary_encoder - add wake up support
This patch adds wake up support to GPIO rotary encoders.

Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-13 23:30:31 -07:00
Courtney Cavin
adb9c60796 dt-binding: power: Add Qualcomm SMBB binding
Add the Qualcomm Switch-Mode Battery Charger and Boost device tree
binding.

Signed-off-by: Courtney Cavin <courtney.cavin@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Andy Gross <agross@codeaurora.org>
2015-10-13 16:40:02 -05:00
Rajendra Nayak
89c7e67128 arm: dts: qcom: Add #power-domain-cells property
clock controller nodes which also support power domains (gdscs') need
to have a #power-domain-cells property. Add these for gcc and mmcc
nodes of msm8974, gcc of apq8084 and msm8916.
Also update gcc and mmcc bindings for it.

Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Andy Gross <agross@codeaurora.org>
2015-10-13 16:40:01 -05:00
Murali Karicheri
96ee19becc soc: ti: add firmware file name as part of the driver
Currently firmware file name is included in the DTS. This is not scalable
as user has to change the DTS if they need upgrade to a new firmware.
Instead, add the firmware file name in the driver itself. As long as there
is no API change, new firmware upgrade is easy and require no driver
change. User is expected to copy the firmware image to the file system
and add a sym link to the new firmware for doing an upgrade. Driver add
a array of firmware file names to search for the available firmware blobs.
This scheme also prepare the driver for future changes to API if ever
happens. In such case it is assumed that driver needs to change to
accommodate the new firmware and new firmware file name will get added to
the array.

Also update the DT document to remove the firmware attribute and add
description about firmware in the driver documentation.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2015-10-13 13:49:04 -07:00
Nishanth Menon
dc5fa4ec0d Documentation: dt: keystone: Fix up missing quotes
Add missing commits for the suggest compatible flags in dt binding.

Fixes: 8841cbf666d6 ("Documentation: dt: keystone: provide SoC specific compatible flags")
Reported-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2015-10-13 13:41:03 -07:00