Add IPMMU device nodes for the R-Car M3-N (r8a77965),
V3H (r8a77980) and E3 (r8a77990) SoCs.

* The r8a77965 IPMMU is quite similar to r8a7796 however VP0
  has been added and PV1 has been removed. Also the IMSSTR
  bit assignment has been reworked.

* The r8a77980 IPMMU is quite similar to r8a77970 however VC0
  has been added. The IMSSTR bit assignment has also been
  reworked. Power domains are also quite different however the
  the documentation is rather unclear about this topic.

  Until we know better VC0 gets assigned to R8A77980_PD_ALWAYS_ON.

* The r8a77990 IPMMU is similar to r8a77995. Power domains are
  however different and the public documentation is still unclear.

  Based on preliminary information from the hardware team the R-Car E3
  SoC comes with an IPMMU-VP0 device in an Always-on power domain and
  the IPMMU-VC0 is placed as expected in the A3VC power domain.
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

The labels for RWDT device node were named as 2 types now:

 - wdt0: r8a7795, r8a7796, r8a77965.
 - rwdt: r8a77970, r8a77990, r8a77995.

To be made consistent, this patch unifis the labels as the hardware
name "rwdt".
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

HSCIF is superior to SCIF (larger FIFOs, more accurate and wider
supported range of bitrates).
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

This node is just a placeholder but fills that function better if it does
not trigger build warnings. This update satisfies the requirement that
nodes with #address-cells/#size-cells properties have more than one child
node.

This is flagged by dtc as follows:
 # make dtbs W=1
 arch/arm64/boot/dts/renesas/r8a77965-salvator-x.dtb: Warning (graph_child_address): /soc/sound@ec500000/ports: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary
 arch/arm64/boot/dts/renesas/r8a77965-salvator-xs.dtb: Warning (graph_child_address): /soc/sound@ec500000/ports: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

With recent dtc and W=1:

    ...salvator-x.dtb: Warning (graph_port): /soc/i2c@e66d8000/video-receiver@70/port@10: graph node unit address error, expected "a"
    ...salvator-x.dtb: Warning (graph_port): /soc/i2c@e66d8000/video-receiver@70/port@11: graph node unit address error, expected "b"

Unit addresses are always hexadecimal (without prefix), while the bases
of reg property values depend on their prefixes.

Fixes: 908001d7 ("arm64: dts: renesas: salvator-common: Add ADV7482 support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

R-Car E3 does not have the Stream Buffer for EtherAVB-IF (STBE).

Note that the RAVB driver does not use this region.

Fixes: 913a78b5 ("arm64: dts: renesas: r8a77990: Add EthernetAVB device nodes")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

This patch adds MSIOF device nodes for the R8A77995 SoC.
Signed-off-by: Hiromitsu Yamasaki <hiromitsu.yamasaki.ym@renesas.com>
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[uli: remove unimplemented ref clock, clock-names]
Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
[simon: preserved node ordering by moving msiof nodes to before vin nodes]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

This patch adds pin control for HSCIF1, and supports connection with
Debug Serial-1 (CN26) on Salvator boards.

SCIF1 and HSCIF1 are sharing the pins connected to Debug Serial-1 (CN26)
on Salvator boards, and it is necessary to ensure that either SCIF1 or
HSCIF1 is enabled, not both.

As for the default of this DeviceTree, SCIF1 is connected.
Signed-off-by: Hiromitsu Yamasaki <hiromitsu.yamasaki.ym@renesas.com>
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[geert: Add missing "uart-has-rtscts"]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Describe the interconnected FCPVD0, VSPD0, DU, and LVDS0 devices in the
R8A77980 device tree...

Based on the original (and large) patch by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Specify Ethernet PHY IRQs in the Condor/V3HSK board device trees, now that
we have the GPIO support (previously phylib had  to resort to polling).

Based on the original (and large) patch by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

This patch adds PCIe{0,1} device nodes to R8A77965 SoC.

Based on a similar patches of the R8A7796 device tree
by Harunobu Kurokawa <harunobu.kurokawa.dn@renesas.com>.
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

The VSPD and FCPVD nodes have overlapping register ranges, as the FCPVD
devices are mapped in the memory range usually used by the VSP LUT and
CLU, which are not present in the VSPD. Fix this by shortening the VSPD
registers range to 0x5000.

Fixes: 9f8573e3 ("arm64: dts: renesas: r8a7795: Add VSP instances")
Fixes: 291e0c49 ("arm64: dts: r8a7795: Add support for R-Car H3 ES2.0")
Fixes: f06ffdfb ("arm64: dts: r8a7796: Add VSP instances")
Fixes: b4f92030 ("arm64: dts: renesas: r8a77970: add VSPD support")
Fixes: 295952a1 ("arm64: dts: renesas: r8a77995: add VSP instances")
Fixes: 85cb3229 ("arm64: dts: renesas: r8a77965: Add VSP instances")
Reported-by: Simon Horman <horms+renesas@verge.net.au>
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Describe all 6 GPIO controllers in the R8A77980 device tree.

Based on the original (and large) patch by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

This patch adds USB2.0 PHY and Host(EHCI/OHCI) nodes and
enables them for R-Car E3 Ebisu board.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

This patch adds PCIe{0,1} device nodes for R8A7796 SoC.
Signed-off-by: Harunobu Kurokawa <harunobu.kurokawa.dn@renesas.com>
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Add a device node for the second Cortex-A53 CPU core on the Renesas
R-Car E3 (r8a77990) SoC, and adjust the interrupt delivery masks for ARM
Generic Interrupt Controller and Architectured Timer.

Based on a patch in the BSP by Takeshi Kihara.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Add a device node for the Watchdog Timer (WDT) controller on the
R8A77990 SoC, and enable the watchdog on the Ebisu board.
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[geert: Squashed 2 commits]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Define the Condor board dependent part of the I2C0 device node.

The I2C0 bus is populated by 2 ON Semiconductor PCA9654 I/O expanders
and Analog Devices  ADV7511W HDMI transmitter (but we're only describing
the former chips now).
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Define the generic R8A77980 parts of the I2C[0-5] device nodes.

Based on the original (and large) patch by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Any of the following devices connected to I2C ch4 of the Salvator-X(S)
boards will operate at 400 kHz:

    PCA9654, 9FGV0841, ADV7482WBBCZ, MAX9611, 5P49V5923, 5P49V6901A

This patch updates the clock frequency to 400 KHz.
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[wsa: squashed commits into one]
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

This patch adds definitions for configuration of the power-source,
drive-strength, etc... for the SD2_DS pin for Salvator-X(S) and ULCB
boards.
Signed-off-by: Masaharu Hayakawa <masaharu.hayakawa.ry@renesas.com>
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[wsa: fixed for ULCB boards, too]
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Based on a similar patch of the R8A7796 device tree
by Ulrich Hecht <ulrich.hecht+renesas@gmail.com>.
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Replace the hardcoded clock indices by R8A77965_CLK_* symbols.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Add bindings for CryptoCell instance in the SoC.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Add a device node for the Watchdog Timer (WDT) controller on the Renesas
R-Car M3-N (R8A77965) SoC.

Based on a similar patch of the R8A7796 device tree
by Geert Uytterhoeven <geert+renesas@glider.be>.
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Define the V3H Starter Kit board dependent part of the GEther device node.

Based on the original (and large) patch by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Define the generic R8A77980 part of the GEther device node.

Based on the original (and large) patch by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
[simon: add resets property]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Add the device nodes for 3 more Cortex-A53 CPU cores; adjust the interrupt
delivery masks for the ARM GIC and Architectured Timer.

Based on the original (and large) patch by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
[simon: corrected whitespace]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Describe HDMI input connector and ADV7612 HDMI decoder installed on
R-Car Gen3 Draak board.

The video signal routing to the HDMI decoder to the video input interface
VIN4 is multiplexed with CVBS input path, and enabled/disabled through
on-board switches SW-49, SW-50, SW-51 and SW-52.

As the default board switches configuration connects CVBS input to VIN4,
leave the HDMI decoder unconnected in DTS.
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Describe CVBS video input through analog video decoder ADV7180
connected to video input interface VIN4.

The video input signal path is shared with HDMI video input, and
selected by on-board switches SW-53 and SW-54 with CVBS input selected
by the default switches configuration.
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

The compat string renesas,gpio-rcar has been deprecated since v4.14,
the same release that r8a77990 SoC support was added. Thus
renesas,gpio-rcar can safely be removed without any risk of behaviour
changes between old and new mainline kernels and DTBs.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Add power domain information to the R-Car D3 IPMMU device nodes.
As specified by the data sheet, all the IPMMU devices are always on.
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

74.25 Mhz oscillator X12 is connected to DU_DOTCLKIN0.
Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Pull block fixes from Jens Axboe:
 "A collection of fixes that should go into -rc1. This contains:

   - bsg_open vs bsg_unregister race fix (Anatoliy)

   - NVMe pull request from Christoph, with fixes for regressions in
     this window, FC connect/reconnect path code unification, and a
     trace point addition.

   - timeout fix (Christoph)

   - remove a few unused functions (Christoph)

   - blk-mq tag_set reinit fix (Roman)"

* tag 'for-linus-20180616' of git://git.kernel.dk/linux-block:
  bsg: fix race of bsg_open and bsg_unregister
  block: remov blk_queue_invalidate_tags
  nvme-fabrics: fix and refine state checks in __nvmf_check_ready
  nvme-fabrics: handle the admin-only case properly in nvmf_check_ready
  nvme-fabrics: refactor queue ready check
  blk-mq: remove blk_mq_tagset_iter
  nvme: remove nvme_reinit_tagset
  nvme-fc: fix nulling of queue data on reconnect
  nvme-fc: remove reinit_request routine
  blk-mq: don't time out requests again that are in the timeout handler
  nvme-fc: change controllers first connect to use reconnect path
  nvme: don't rely on the changed namespace list log
  nvmet: free smart-log buffer after use
  nvme-rdma: fix error flow during mapping request data
  nvme: add bio remapping tracepoint
  nvme: fix NULL pointer dereference in nvme_init_subsystem
  blk-mq: reinit q->tag_set_list entry only after grace period

Pull documentation fixes from Mauro Carvalho Chehab:
 "This solves a series of broken links for files under Documentation,
  and improves a script meant to detect such broken links (see
  scripts/documentation-file-ref-check).

  The changes on this series are:

   - can.rst: fix a footnote reference;

   - crypto_engine.rst: Fix two parsing warnings;

   - Fix a lot of broken references to Documentation/*;

   - improve the scripts/documentation-file-ref-check script, in order
     to help detecting/fixing broken references, preventing
     false-positives.

  After this patch series, only 33 broken references to doc files are
  detected by scripts/documentation-file-ref-check"

* tag 'docs-broken-links' of git://linuxtv.org/mchehab/experimental: (26 commits)
  fix a series of Documentation/ broken file name references
  Documentation: rstFlatTable.py: fix a broken reference
  ABI: sysfs-devices-system-cpu: remove a broken reference
  devicetree: fix a series of wrong file references
  devicetree: fix name of pinctrl-bindings.txt
  devicetree: fix some bindings file names
  MAINTAINERS: fix location of DT npcm files
  MAINTAINERS: fix location of some display DT bindings
  kernel-parameters.txt: fix pointers to sound parameters
  bindings: nvmem/zii: Fix location of nvmem.txt
  docs: Fix more broken references
  scripts/documentation-file-ref-check: check tools/*/Documentation
  scripts/documentation-file-ref-check: get rid of false-positives
  scripts/documentation-file-ref-check: hint: dash or underline
  scripts/documentation-file-ref-check: add a fix logic for DT
  scripts/documentation-file-ref-check: accept more wildcards at filenames
  scripts/documentation-file-ref-check: fix help message
  media: max2175: fix location of driver's companion documentation
  media: v4l: fix broken video4linux docs locations
  media: dvb: point to the location of the old README.dvb-usb file
  ...

Pull fsnotify updates from Jan Kara:
 "fsnotify cleanups unifying handling of different watch types.

  This is the shortened fsnotify series from Amir with the last five
  patches pulled out. Amir has modified those patches to not change
  struct inode but obviously it's too late for those to go into this
  merge window"

* tag 'fsnotify_for_v4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  fsnotify: add fsnotify_add_inode_mark() wrappers
  fanotify: generalize fanotify_should_send_event()
  fsnotify: generalize send_to_group()
  fsnotify: generalize iteration of marks by object type
  fsnotify: introduce marks iteration helpers
  fsnotify: remove redundant arguments to handle_event()
  fsnotify: use type id to identify connector object type

Pull fbdev updates from Bartlomiej Zolnierkiewicz:
 "There is nothing really major here, few small fixes, some cleanups and
  dead drivers removal:

   - mark omapfb drivers as orphans in MAINTAINERS file (Tomi Valkeinen)

   - add missing module license tags to omap/omapfb driver (Arnd
     Bergmann)

   - add missing GPIOLIB dependendy to omap2/omapfb driver (Arnd
     Bergmann)

   - convert savagefb, aty128fb & radeonfb drivers to use msleep & co.
     (Jia-Ju Bai)

   - allow COMPILE_TEST build for viafb driver (media part was reviewed
     by media subsystem Maintainer)

   - remove unused MERAM support from sh_mobile_lcdcfb and shmob-drm
     drivers (drm parts were acked by shmob-drm driver Maintainer)

   - remove unused auo_k190xfb drivers

   - misc cleanups (Souptick Joarder, Wolfram Sang, Markus Elfring, Andy
     Shevchenko, Colin Ian King)"

* tag 'fbdev-v4.18' of git://github.com/bzolnier/linux: (26 commits)
  fb_omap2: add gpiolib dependency
  video/omap: add module license tags
  MAINTAINERS: make omapfb orphan
  video: fbdev: pxafb: match_string() conversion fixup
  video: fbdev: nvidia: fix spelling mistake: "scaleing" -> "scaling"
  video: fbdev: fix spelling mistake: "frambuffer" -> "framebuffer"
  video: fbdev: pxafb: Convert to use match_string() helper
  video: fbdev: via: allow COMPILE_TEST build
  video: fbdev: remove unused sh_mobile_meram driver
  drm: shmobile: remove unused MERAM support
  video: fbdev: sh_mobile_lcdcfb: remove unused MERAM support
  video: fbdev: remove unused auo_k190xfb drivers
  video: omap: Improve a size determination in omapfb_do_probe()
  video: sm501fb: Improve a size determination in sm501fb_probe()
  video: fbdev-MMP: Improve a size determination in path_init()
  video: fbdev-MMP: Delete an error message for a failed memory allocation in two functions
  video: auo_k190x: Delete an error message for a failed memory allocation in auok190x_common_probe()
  video: sh_mobile_lcdcfb: Delete an error message for a failed memory allocation in two functions
  video: sh_mobile_meram: Delete an error message for a failed memory allocation in sh_mobile_meram_probe()
  video: fbdev: sh_mobile_meram: Drop SUPERH platform dependency
  ...