mfd: max14577: Don't pass IRQ domain to mfd_add_devices

The max14577 MFD cells do not have any resources so the IRQ domain
passed to mfd_add_devices is not used.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd: arizona: Use handle_simple_irq for IRQ dispatch chip

We use a dummy IRQ chip to dispatch interrupts to the two seperate IRQ
domains on the Arizona devices. This is just a simple software IRQ chip
and thus the current handle_edge_irq is unnecessary for its needs.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd: rk808: Add register caching

Let's define the voltatile registers (those that can't be cached) and
enable caching.  The rk808 is accessed almost constantly with cpufreq
so this is really nice.

As measured by ftrace:
  before this change: cpu0_set_target() => ~2200us
  after this change:  cpu0_set_target() =>  ~500us

Signed-off-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd: syscon: Add Atmel GPBR DT bindings documention

The GPBR block provides a set of battery-backed registers that can be used
to save data which need to be kept when the system is powered down and
VDD-core is maintained by an external battery.

A typical usage is the RTT block (when used as an RTC) which needs one of
those registers to save the current time.

Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Johan Hovold <johan@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd: dt-bindings: twl4030-power: Use the standard property to mark power control

ti,system-power-controller is more or less the standard way of
indicating that the PMIC is the system wide power controller and hence
may be used to switch off the system. Almost ALL TI PMIC drivers and
many Maxim PMIC drivers follow the same style.

So support 'ti,system-power-controller' in addition to the usual
'ti,use_poweroff' to indicate that the PMIC instance has control for
switching off the system.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd: twl4030-power: Use 'ti,system-power-controller' as alternative way to support system power off

ti,system-power-controller is more or less the standard way of
indicating that the PMIC is the system wide power controller and hence
may be used to switch off the system. Almost ALL TI PMIC drivers and
many Maxim PMIC drivers follow the same style.

So support 'ti,system-power-controller' in addition to the usual
'ti,use_poweroff' to indicate that the PMIC instance has control for
switching off the system.

Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd: axp209x: Drop the parent supplies field

Now that the regulator code get its parent supplies purely from the DT, we can
drop the parent supplies resources in the MFD driver.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd: dt-bindings: pm8xxx: Add new compatible string

The rtc driver now supports PM8941 PMIC device, reflect this
in the binding document.

Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd: Add support for Qualcomm SPMI PMICs

The Qualcomm SPMI PMIC chips are components used with the
Snapdragon 800 series SoC family.  This driver exists
largely as a glue mfd component, it exists to be an owner
of an SPMI regmap for children devices described in
device tree.

Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd: Document DT bindings for Qualcomm SPMI PMICs

Document DT bindings used to describe the Qualcomm SPMI PMICs.

Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd: Inherit coherent_dma_mask from parent device

dma_mask and dma_parms are already inherited from the parent device but
dma_coherent_mask was left uninitialized (set to zero thanks to kzalloc).
Set sub-device coherent_dma_mask to its parent value to simplify
sub-drivers making use of dma coherent helper functions (those drivers
currently have to explicitly set the dma coherent mask using
dma_set_coherent_mask function).

Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd: dt-bindings: qcom-pm8xxx: Rename doc file to conform to naming convention

Cc: Stanimir Varbanov <svarbanov@mm-sol.com>
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd: dt-bindings: atmel-gpbr: Rename doc file to conform to naming convention

Cc: boris.brezillon@free-electrons.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd: ti_am335x_tscadc: Update logic in CTRL register for 5-wire TS

The logic in AFE_Pen_Ctrl bitmask in the CTRL register is different for five
wire versus four or eight wire touschscreens. This patch should fix this for
five-wire touch screens. There should be no change needed here for four and
eight wire tousch screens.

Signed-off-by: Jeff Lance <j-lance1@ti.com>
[bigeasy: keep the change mfd only]
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Revert "mfd: wm5102: Manually apply register patch"

This reverts commit d9d03496f6f904a3588bdb8b215853bc4e50132c.

It seems this commit was applied twice, once through ASoC and once
through MFD:

commit 4c9bb8bc352a14c9613c77bc3f1e9038cd086b9b
mfd: wm5102: Manually apply register patch

commit d9d03496f6f904a3588bdb8b215853bc4e50132c
mfd: wm5102: Manually apply register patch

This has lead to a small piece of duplicate code. It is harmless hence
how it has gone unoticed for so long. This patch reverts one of the two
commits removing the unneeded code.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd: Add ACPI support

If an MFD device is backed by ACPI namespace, we should allow subdevice
drivers to access their corresponding ACPI companion devices through normal
means (e.g using ACPI_COMPANION()).

This patch adds such support to the MFD core. If the MFD parent device
does not specify any ACPI _HID/_CID for the child device, the child
device will share the parent ACPI companion device. Otherwise the child
device will be assigned with the corresponding ACPI companion, if found
in the namespace below the parent.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd: arizona: Correct mask to allow setting micbias external cap

Currently the mask for the external capacitor bit is missing when
writing the MICBIAS config meaning it will never be set this patch fixes
this.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
MAINTAINERS: Adds Andreas Werner to maintainers list for MEN F21BMC

Added maintainer for the following MEN F21BMC drivers:
	- menf21bmc (MFD)
	- menf21bmc_wdt (Watchdog)
	- menf21bmc_hwmon (HWMON)
	- leds-menf21bmc (LED)

Signed-off-by: Andreas Werner <andreas.werner@men.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Bryan Wu <cooloney@gmail.com>
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Merge tag 'perf-fdarray-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core

Pull perf tooling updates from Arnaldo Carvalho de Melo.

Infrastructure changes:

  * We were not handling POLLHUP notifications for event file descriptors.

    Fix it by filtering entries in the events file descriptor array after
    poll() returns, refcounting mmaps so that when the last fd pointing to
    a perf mmap goes away we do the unmap. (Arnaldo Carvalho de Melo)

User visible changes:

  * Now 'record' and 'trace' properly exit when a target thread exits.
    (Arnaldo Carvalho de Melo)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
[media] qm1d1c0042: fix compilation on 32 bits

   drivers/built-in.o: In function `qm1d1c0042_set_params':
>> qm1d1c0042.c:(.text+0x2519730): undefined reference to `__divdi3'

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>