Commit Graph

4625 Commits

Author SHA1 Message Date
Andy Shevchenko
2b77ea7a0a mfd: intel_quark_i2c_gpio: Remove unused struct device member
The device pointer in the custom structure is not used anywhere,
remove it for good.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:06:23 +01:00
Andy Shevchenko
1514ce4935 mfd: intel_quark_i2c_gpio: Unregister resources in reversed order
In ->remove() unregister resources in reversed order, i.e. MFD devices first
followed by I²C clock.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:06:21 +01:00
Geert Uytterhoeven
0cab0aa149 mfd: Kconfig: ABX500_CORE should depend on ARCH_U8500
The ST-Ericsson ABX500 Mixed Signal IC family chips are only present on
ST-Ericsson U8500 Series platforms.  Hence add a dependency on
ARCH_U8500, to prevent asking the user about this driver when
configuring a kernel without U8500 support.

Also, merely enabling CONFIG_COMPILE_TEST should not enable additional
code, and thus should not enable this driver by default.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:06:19 +01:00
Andreas Kemnade
4502647e60 mfd: rn5t618: Do not cache various USB related registers
These register get reset to their OTP defaults after USB plugging.
And while at it, also add a missing register for detecting the
charger type.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:06:18 +01:00
Wei Yongjun
c0d46b89dd mfd: Make symbol 'atc260x_i2c_of_match' static
The sparse tool complains as follows:

drivers/mfd/atc260x-i2c.c:45:27: warning:
 symbol 'atc260x_i2c_of_match' was not declared. Should it be static?

This symbol is not used outside of atc260x-i2c.c, so this
commit marks it static.

Fixes: f7cb7fe34d ("mfd: Add MFD driver for ATC260x PMICs")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:06:15 +01:00
Heikki Krogerus
b4a66acc09 mfd: core: Remove support for dangling device properties
From now on only accepting complete software nodes.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:06:14 +01:00
Heikki Krogerus
03152e35dd mfd: intel-lpss: Switch to use the software nodes
Software node was always created for the device if it was
supplied with additional device properties, so those nodes
might as well be constant.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:06:11 +01:00
Andy Shevchenko
9677e6f78f mfd: intel-lpss: Constify device property structures
There is no point to have non-constant device properties in this driver.
Thus, constify them for good.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:06:09 +01:00
Heikki Krogerus
42e5998291 mfd: core: Add support for software nodes
The old device property API is going to be removed and
replaced with the newer software node API. This prepares MFD
subsystem for the transition.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:06:07 +01:00
Hubert Streidl
586478bfc9 mfd: da9063: Support SMBus and I2C mode
By default the PMIC DA9063 2-wire interface is SMBus compliant. This
means the PMIC will automatically reset the interface when the clock
signal ceases for more than the SMBus timeout of 35 ms.

If the I2C driver / device is not capable of creating atomic I2C
transactions, a context change can cause a ceasing of the clock signal.
This can happen if for example a real-time thread is scheduled. Then
the DA9063 in SMBus mode will reset the 2-wire interface. Subsequently
a write message could end up in the wrong register. This could cause
unpredictable system behavior.

The DA9063 PMIC also supports an I2C compliant mode for the 2-wire
interface. This mode does not reset the interface when the clock
signal ceases. Thus the problem depicted above does not occur.

This patch tests for the bus functionality "I2C_FUNC_I2C". It can
reasonably be assumed that the bus cannot obey SMBus timings if
this functionality is set. SMBus commands most probably are emulated
in this case which is prone to the latency issue described above.

This patch enables the I2C bus mode if I2C_FUNC_I2C is set or
otherwise keeps the default SMBus mode.

Signed-off-by: Hubert Streidl <hubert.streidl@de.bosch.com>
Signed-off-by: Mark Jonas <mark.jonas@de.bosch.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:06:05 +01:00
Krzysztof Kozlowski
0c8f2d1081 mfd: sec: Initialize driver via module_platform_driver()
The driver was using subsys_initcall() because in old times deferred
probe was not supported everywhere and specific ordering was needed.
Since probe deferral works fine and specific ordering is discouraged
(hides dependencies between drivers and couples their boot order), the
driver can be converted to regular module_platform_driver.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:06:03 +01:00
Matthew Gerlach
8169f74ca6 mfd: intel-m10-bmc: Add access table configuration to the regmap
This patch adds access tables to the MAX 10 BMC regmap. This prevents
the host from accessing the unwanted I/O space. It also filters out the
invalid outputs when reading the regmap debugfs interface.

Signed-off-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Reviewed-by: Tom Rix <trix@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:03:41 +01:00
Xu Yilun
5893f4d1f4 mfd: intel-m10-bmc: Simplify the legacy version reg definition
The version register is the only one in the legacy I/O space to be
accessed, so it is not necessary to define the legacy base & version
register offset. A direct definition of the legacy version register
address would be fine.

Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Reviewed-by: Tom Rix <trix@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:03:39 +01:00
Yang Li
23144a3231 mfd: lm3533: Switch to using the new API kobj_to_dev()
Fixes the following coccicheck warning:

  drivers/mfd/lm3533-core.c:361:60-61: WARNING opportunity for kobj_to_dev()

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:03:35 +01:00
Wei Yongjun
5a2cf05422 mfd: ene-kb3930: Make local symbol 'kb3930_power_off' static
The sparse tool complains as follows:

drivers/mfd/ene-kb3930.c:36:15: warning: symbol 'kb3930_power_off' was not declared. Should it be static?

The symbol is not used outside of this file.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:03:30 +01:00
Arnd Bergmann
16f961544b mfd: Remove support for AB3100
The ST-Ericsson U300 platform has been removed, so this driver is no
longer needed.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:03:27 +01:00
Linus Walleij
a98688d2dd mfd: ab8500: Drop bm disable parameter
Nobody is passing the module parameter to disable the
battery management portions so just drop this parameter.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:03:25 +01:00
Rikard Falkeborn
cb9e880a79 mfd: stmpe: Revert "Constify static struct resource"
In stmpe_devices_init(), the start and end field of these structs are
modified, so they can not be const. Add a comment to those structs that
lacked it to reduce the risk that this happens again.

This reverts commit 8d7b3a6dac.

Fixes: 8d7b3a6dac ("mfd: stmpe: Constify static struct resource")
Reported-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:03:22 +01:00
Wei Yongjun
c4d09226d5 mfd: arizona: Make some symbols static
The sparse tool complains as follows:

drivers/mfd/arizona-spi.c:28:31: warning:
 symbol 'reset_gpios' was not declared. Should it be static?
drivers/mfd/arizona-spi.c:29:31: warning:
 symbol 'ldoena_gpios' was not declared. Should it be static?

Those symbols are not used outside of arizona-spi.c, so this
commit marks them static.

Fixes: e933836744 ("mfd: arizona: Add support for ACPI enumeration of WM5102 connected over SPI")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 16:03:18 +01:00
Lee Jones
a7639136a9 Immutable branch between MFD and Watchdog due for the v5.13 merge window
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Merge tag 'ib-mfd-watchdog-v5.13' into ibs-for-mfd-merged

Immutable branch between MFD and Watchdog due for the v5.13 merge window
2021-04-14 16:01:10 +01:00
Lee Jones
1658d6242a Immutable branch between MFD, Clock, GPIO, Regulator and RTC due for the v5.13 merge window
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mergetag object a908a71669
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 tag ib-mfd-extcon-v5.13
 tagger Lee Jones <lee.jones@linaro.org> 1616067995 +0000
 
 Immutable branch between MFD and Extcon due for the v5.13 merge window
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mergetag object eac013a0b7
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 tag ib-mfd-input-v5.13-1
 tagger Lee Jones <lee.jones@linaro.org> 1615374673 +0000
 
 Immutable branch between MFD and Input due for the v5.13 merge window
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mergetag object aa47ad3f85
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 tag ib-mfd-platform-x86-v5.13
 tagger Lee Jones <lee.jones@linaro.org> 1615373744 +0000
 
 Immutable branch between MFD and Platform/x86 due for the v5.13 merge window
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 tag ib-mfd-power-v5.13
 tagger Lee Jones <lee.jones@linaro.org> 1616489771 +0000
 
 Immutable branch between MFD and Power due for the v5.13 merge window
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 tag ib-mfd-pwm-rtc-v5.13-1
 tagger Lee Jones <lee.jones@linaro.org> 1615374433 +0000
 
 Immutable branch between MFD, PWM and RTC due for the v5.13 merge window
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Merge tags 'ib-mfd-clk-gpio-regulator-rtc-v5.13', 'ib-mfd-extcon-v5.13', 'ib-mfd-input-v5.13-1', 'ib-mfd-platform-x86-v5.13', 'ib-mfd-power-v5.13', 'ib-mfd-pwm-rtc-v5.13-1' and 'ib-regulator-list-ramp-helpers-v5.13' into ibs-for-mfd-merged

Immutable branch between MFD, Clock, GPIO, Regulator and RTC due for the v5.13 merge window

Immutable branch between MFD and Extcon due for the v5.13 merge window

Immutable branch between MFD and Input due for the v5.13 merge window

Immutable branch between MFD and Platform/x86 due for the v5.13 merge window

Immutable branch between MFD and Power due for the v5.13 merge window

Immutable branch between MFD, PWM and RTC due for the v5.13 merge window
2021-04-14 15:59:22 +01:00
Matti Vaittinen
4dcdcfd5ab mfd: Support for ROHM BD71815 PMIC core
Add core support for ROHM BD71815 Power Management IC.

The IC integrates regulators, a battery charger with a coulomb counter,
a real-time clock (RTC), clock gate and general-purpose outputs (GPO).

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 10:19:08 +01:00
Matti Vaittinen
316d0d92fb mfd: bd718x7: simplify by cleaning unnecessary device data
Most ROHM PMIC sub-devices only use the regmap pointer from
parent device. They can obtain this by dev_get_regamap so in
most cases the MFD device does not need to allocate and populate
the driver data. Simplify drivers by removing this.

The BD70528 still needs the access to watchdog mutex so keep
rohm_regmap_dev in use on BD70528 RTC and WDG drivers for now.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 10:17:53 +01:00
Linus Walleij
417c0fc24d mfd/power: ab8500: Push data to power supply code
The global definition of platform data for the battery
management code has no utility after the OF conversion,
move the <linux/mfd/abx500/ab8500-bm.h> to be a local
file in drivers/power/supply and stop defining the
platform data in drivers/power/supply/ab8500_bmdata.c
and broadcast to the kernel only to have it assigned
as platform data to the MFD cells and then picked back
into the same subsystem that defined it in the first
place. This kills off a layer of indirection.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-03-22 14:55:38 +00:00
Hans de Goede
4e0b9ea85e mfd: arizona: Drop arizona-extcon cells
The arizona jack-dection handling is being reworked so that the
codec-child-device drivers directly handle jack-detect themselves,
so it is no longer necessary to instantiate "arizona-extcon"
child-devices.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Tested-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-03-18 11:46:09 +00:00
Cristian Ciocaltea
f7cb7fe34d mfd: Add MFD driver for ATC260x PMICs
Add initial support for the Actions Semi ATC260x PMICs which integrates
Audio Codec, Power management, Clock generation and GPIO controller
blocks.

For the moment this driver only supports Regulator, Poweroff and Onkey
functionalities for the ATC2603C and ATC2609A chip variants.

Since the PMICs can be accessed using both I2C and SPI buses, the
following driver structure has been adopted:

           -----> atc260x-core.c (Implements core functionalities)
          /
ATC260x --------> atc260x-i2c.c (Implements I2C interface)
          \
           -----> atc260x-spi.c (Implements SPI interface - TODO)

Co-developed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-03-10 11:10:23 +00:00
Jonathan Neuschäfer
eceae58393 mfd: Add base driver for Netronix embedded controller
The Netronix embedded controller is a microcontroller found in some
e-book readers designed by the original design manufacturer Netronix,
Inc. It contains RTC, battery monitoring, system power management, and
PWM functionality.

This driver implements register access and version detection.

Third-party hardware documentation is available at:

  https://github.com/neuschaefer/linux/wiki/Netronix-MSP430-embedded-controller

The EC supports interrupts, but the driver doesn't make use of them so
far.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-03-10 11:06:27 +00:00
Matti Vaittinen
0e9692607f mfd: bd9576: Add IRQ support
BD9573 and BD9576 support set of "protection" interrupts for "fatal"
issues. Those lead to SOC reset as PMIC shuts the power outputs. Thus
there is no relevant IRQ handling for them.

Few "detection" interrupts were added to the BD9576 with the idea that
SOC could take some recovery-action before error gets unrecoverable.

Unfortunately the BD9576 interrupt logic was not re-evaluated. IRQs
are not designed to be properly acknowleged - and IRQ line is kept
active for whole duration of error condition (in comparison to
informing only about state change).

For above reason, do not consider missing IRQ as error.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-03-10 10:58:33 +00:00
Matti Vaittinen
b1b3ced389 mfd: Support ROHM BD9576MUF and BD9573MUF
Add core support for ROHM BD9576MUF and BD9573MUF PMICs which are
mainly used to power the R-Car series processors.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-03-10 10:58:17 +00:00
David E. Box
aa47ad3f85 mfd: intel_pmt: Add support for DG1
Adds PMT Telemetry aggregator support for the DG1 graphics PCIe card. The
device does not have the DVSEC region in its PCI config space so hard
code the discovery table data in the driver. Also requires a fix for DG1
in the Telemetry driver for how the ACCESS_TYPE field is used.

Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-03-10 10:48:48 +00:00
David E. Box
a1a5c1c3df mfd: intel_pmt: Fix nuisance messages and handling of disabled capabilities
Some products will be available that have PMT capabilities that are not
supported. Remove the warnings in this instance to avoid nuisance messages
and confusion.

Also return an error code for capabilities that are disabled by quirk to
prevent them from keeping the driver loaded if only disabled capabilities
are found.

Fixes: 4f8217d5b0 ("mfd: Intel Platform Monitoring Technology support")
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-03-10 10:48:46 +00:00
Linus Torvalds
c4fbde84fe Simple Firmware Interface (SFI) support removal for v5.12-rc1
Drop support for depercated platforms using SFI, drop the entire
 support for SFI that has been long deprecated too and make some
 janitorial changes on top of that (Andy Shevchenko).
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Merge tag 'sfi-removal-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull Simple Firmware Interface (SFI) support removal from Rafael Wysocki:
 "Drop support for depercated platforms using SFI, drop the entire
  support for SFI that has been long deprecated too and make some
  janitorial changes on top of that (Andy Shevchenko)"

* tag 'sfi-removal-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  x86/platform/intel-mid: Update Copyright year and drop file names
  x86/platform/intel-mid: Remove unused header inclusion in intel-mid.h
  x86/platform/intel-mid: Drop unused __intel_mid_cpu_chip and Co.
  x86/platform/intel-mid: Get rid of intel_scu_ipc_legacy.h
  x86/PCI: Describe @reg for type1_access_ok()
  x86/PCI: Get rid of custom x86 model comparison
  sfi: Remove framework for deprecated firmware
  cpufreq: sfi-cpufreq: Remove driver for deprecated firmware
  media: atomisp: Remove unused header
  mfd: intel_msic: Remove driver for deprecated platform
  x86/apb_timer: Remove driver for deprecated platform
  x86/platform/intel-mid: Remove unused leftovers (vRTC)
  x86/platform/intel-mid: Remove unused leftovers (msic)
  x86/platform/intel-mid: Remove unused leftovers (msic_thermal)
  x86/platform/intel-mid: Remove unused leftovers (msic_power_btn)
  x86/platform/intel-mid: Remove unused leftovers (msic_gpio)
  x86/platform/intel-mid: Remove unused leftovers (msic_battery)
  x86/platform/intel-mid: Remove unused leftovers (msic_ocd)
  x86/platform/intel-mid: Remove unused leftovers (msic_audio)
  platform/x86: intel_scu_wdt: Drop mistakenly added const
2021-02-24 10:35:29 -08:00
Linus Torvalds
f158bbee94 - Core Frameworks
- Standardise MFD_CELL_* helpers
 
  - New Drivers
    - Add support for Acer Iconia Tab A500 Embedded Controller
 
  - New Device Support
    - Add support for ROHM BD9574MWF to BD9571MWV
    - Add support for Intel Alder Lake PCH-P PCI to LPSS
    - Add support for Intel Alder Lake PCH-S PCI to LPSS
 
  - New Functionality
    - Support ACPI enumeration; arizona
 
  - Fix-ups
    - Managed resources; bd9571mwv
    - DT additions/fix-ups; bd9571mwv, iqs62x, max8997, gateworks-gsc, ene-kb930
    - Convert to SPDX; bd9571mw
    - Fix return values/error handling; sunxi
    - Provide SOFTDEP; arizona
    - Make use of DIV_ROUND_UP; mcp-sa11x0
    - Use generic APIs; arizona
    - Add MAC address sysfs entries; intel-m10-bmc
    - Trivial: Coding-style fix-ups; iqs62x
    - Trivial: Remove superflouous code; iqs62x
    - Clear-up naming conventions; iqs62x
 
  - Bug Fixes
    - Fix 'pointer from integer' error; altera-sysmgr
    - Convert SGI_MFD_IOC3 from tristate to bool; Kconfig
    - Fix interrupt handling; gateworks-gsc
    - Extend required delay; iqs62x
    - Do not use I2C polling during calibration; iqs62x
    - Do no adjust clock frequency during calibration; iqs62x
    - Fix use-after-free; wm831x-auxad
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Merge tag 'mfd-next-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Frameworks:
   - Standardise MFD_CELL_* helpers

  New Drivers:
   - Add support for Acer Iconia Tab A500 Embedded Controller

  New Device Support:
   - Add support for ROHM BD9574MWF to BD9571MWV
   - Add support for Intel Alder Lake PCH-P PCI to LPSS
   - Add support for Intel Alder Lake PCH-S PCI to LPSS

  New Functionality:
   - Support ACPI enumeration; arizona

  Fix-ups:
   - Managed resources; bd9571mwv
   - DT additions/fix-ups; bd9571mwv, iqs62x, max8997, gateworks-gsc, ene-kb930
   - Convert to SPDX; bd9571mw
   - Fix return values/error handling; sunxi
   - Provide SOFTDEP; arizona
   - Make use of DIV_ROUND_UP; mcp-sa11x0
   - Use generic APIs; arizona
   - Add MAC address sysfs entries; intel-m10-bmc
   - Trivial: Coding-style fix-ups; iqs62x
   - Trivial: Remove superflouous code; iqs62x
   - Clear-up naming conventions; iqs62x

  Bug Fixes:
   - Fix 'pointer from integer' error; altera-sysmgr
   - Convert SGI_MFD_IOC3 from tristate to bool; Kconfig
   - Fix interrupt handling; gateworks-gsc
   - Extend required delay; iqs62x
   - Do not use I2C polling during calibration; iqs62x
   - Do no adjust clock frequency during calibration; iqs62x
   - Fix use-after-free; wm831x-auxad"

* tag 'mfd-next-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (32 commits)
  mfd: wm831x-auxadc: Prevent use after free in wm831x_auxadc_read_irq()
  mfd: iqs62x: Do not change clock frequency during ATI
  mfd: iqs62x: Do not poll during ATI
  mfd: iqs62x: Increase interrupt handler return delay
  mfd: iqs62x: Rename regmap_config struct
  mfd: iqs62x: Remove unused bit mask
  mfd: iqs62x: Remove superfluous whitespace above fallthroughs
  mfd: intel-lpss: Add Intel Alder Lake PCH-S PCI IDs
  mfd: intel-m10-bmc: Expose MAC address and count
  mfd: Add driver for Embedded Controller found on Acer Iconia Tab A500
  dt-bindings: mfd: Add ENE KB930 Embedded Controller binding
  dt-bindings: mfd: gateworks-gsc: Add fan-tach mode
  mfd: intel-lpss: Add Intel Alder Lake PCH-P PCI IDs
  mfd: gateworks-gsc: Fix interrupt type
  mfd: Standardise MFD_CELL_* helper names
  mfd: mcp-sa11x0: Use DIV_ROUND_UP to calculate rw_timeout
  mfd: max8997: Add of_compatible to Extcon and Charger mfd_cell
  dt-bindings: mfd: Correct the node name of the panel LED
  mfd: sgi-ioc3: Turn Kconfig option into a bool
  mfd: altera-sysmgr: Fix physical address storing more
  ...
2021-02-22 09:29:42 -08:00
Linus Torvalds
d6560052c2 regulator: Updates for v5.12
Quite an active release for driver specific updates but very little
 going on at the subsystem level this time for the regulator API.
 
  - Overhaul of the Qualcomm LABIBB driver.
  - Allow use of regulator_sync_voltage() on coupled regulators.
  - Support for Action ATC260x, Mediatek DVSRC and MT6315, Qualcomm
    PCM8180/c and PM8009-1 and Richtek RT4831
  - Removal of the AB3100 driver.
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Merge tag 'regulator-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "Quite an active release for driver specific updates but very little
  going on at the subsystem level this time for the regulator API.

  Summary:

   - Overhaul of the Qualcomm LABIBB driver.

   - Allow use of regulator_sync_voltage() on coupled regulators.

   - Support for Action ATC260x, Mediatek DVSRC and MT6315, Qualcomm
     PCM8180/c and PM8009-1 and Richtek RT4831

   - Removal of the AB3100 driver"

* tag 'regulator-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (49 commits)
  regulator: bd718x7, bd71828, Fix dvs voltage levels
  regulator: pca9450: Add sd-vsel GPIO
  regulator: pca9450: Enable system reset on WDOG_B assertion
  regulator: pca9450: Add SD_VSEL GPIO for LDO5
  regulator: qcom-rpmh: fix pm8009 ldo7
  regulator: mt6315: Add support for MT6315 regulator
  regulator: document binding for MT6315 regulator
  regulator: dt-bindings: Document charger-supply for max8997
  regulator: qcom-labibb: Use disable_irq_nosync from isr
  regulator: pf8x00: Fix typo for PF8200 chip name
  regulator: pf8x00: set ramp_delay for bucks
  regulator: core: Avoid debugfs: Directory ... already present! error
  regulator: pf8x00: Add suspend support
  regulator: Make regulator_sync_voltage() usable by coupled regulators
  regulator: s5m8767: Drop regulators OF node reference
  regulator: qcom-rpmh: Add pmc8180 and pmc8180c
  regulator: qcom-rpmh: Add pmc8180 and pmc8180c
  regulator: s5m8767: Fix reference count leak
  regulator: remove ab3100 driver
  regulator: axp20x: Fix reference cout leak
  ...
2021-02-22 09:16:38 -08:00
Linus Torvalds
10e2ec8ede sound updates for 5.12
A relatively calm release at this time, and no massive code changes
 are found in the stats, while a wide range of code refactoring and
 cleanup have been done.
 
 Note that this update includes the tree-wide trivial changes for
 dropping the return value from ISA remove callbacks, too.
 
 Below lists up some highlight:
 
 * ALSA Core:
 - Support for the software jack injection via debugfs
 - Fixes for sync_stop PCM operations
 
 * HD-audio and USB-audio:
 - A few usual HD-audio device quirks
 - Updates for Tegra HD-audio
 - More quirks for Pioneer and other USB-audio devices
 - Stricter state checks at USB-audio disconnection
 
 * ASoC:
 - Continued code refactoring, cleanup and fixes in ASoC core API
 - A KUnit testsuite for the topology code
 - Lots of ASoC Intel driver Realtek codec updates, quirk additions and
   fixes
 - Support for Ingenic JZ4760(B), Intel AlderLake-P, DT configured
   nVidia cards, Qualcomm lpass-rx-macro and lpass-tx-macro
 - Removal of obsolete SIRF prima/atlas, Txx9 and ZTE zx drivers
 
 * Others:
 - Drop return value from ISA driver remove callback
 - Cleanup with DIV_ROUND_UP() macro
 - FireWire updates, HDSP output loopback support
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Merge tag 'sound-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "A relatively calm release at this time, and no massive code changes
  are found in the stats, while a wide range of code refactoring and
  cleanup have been done.

  Note that this update includes the tree-wide trivial changes for
  dropping the return value from ISA remove callbacks, too.

  Below lists up some highlight:

  ALSA Core:
   - Support for the software jack injection via debugfs
   - Fixes for sync_stop PCM operations

  HD-audio and USB-audio:
   - A few usual HD-audio device quirks
   - Updates for Tegra HD-audio
   - More quirks for Pioneer and other USB-audio devices
   - Stricter state checks at USB-audio disconnection

  ASoC:
   - Continued code refactoring, cleanup and fixes in ASoC core API
   - A KUnit testsuite for the topology code
   - Lots of ASoC Intel driver Realtek codec updates, quirk additions
     and fixes
   - Support for Ingenic JZ4760(B), Intel AlderLake-P, DT configured
     nVidia cards, Qualcomm lpass-rx-macro and lpass-tx-macro
   - Removal of obsolete SIRF prima/atlas, Txx9 and ZTE zx drivers

  Others:
   - Drop return value from ISA driver remove callback
   - Cleanup with DIV_ROUND_UP() macro
   - FireWire updates, HDSP output loopback support"

* tag 'sound-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (322 commits)
  ALSA: hda: intel-dsp-config: add Alder Lake support
  ASoC: soc-pcm: fix hw param limits calculation for multi-DAI
  ASoC: Intel: bytcr_rt5640: Add quirk for the Acer One S1002 tablet
  ASoC: Intel: bytcr_rt5651: Add quirk for the Jumper EZpad 7 tablet
  ASoC: Intel: bytcr_rt5640: Add quirk for the Voyo Winpad A15 tablet
  ASoC: Intel: bytcr_rt5640: Add quirk for the Estar Beauty HD MID 7316R tablet
  ASoC: soc-pcm: fix hwparams min/max init for dpcm
  ALSA: hda/realtek: Quirk for HP Spectre x360 14 amp setup
  ALSA: usb-audio: Add implicit fb quirk for BOSS GP-10
  ALSA: hda: Add another CometLake-H PCI ID
  ASoC: soc-pcm: add soc_pcm_hw_update_format()
  ASoC: soc-pcm: add soc_pcm_hw_update_chan()
  ASoC: soc-pcm: add soc_pcm_hw_update_rate()
  ASoC: wm_adsp: Remove unused control callback structure
  ASoC: SOF: relax ABI checks and avoid unnecessary warnings
  ASoC: codecs: lpass-tx-macro: add dapm widgets and route
  ASoC: codecs: lpass-tx-macro: add support for lpass tx macro
  ASoC: qcom: dt-bindings: add bindings for lpass tx macro codec
  ASoC: codecs: lpass-rx-macro: add iir widgets
  ASoC: codecs: lpass-rx-macro: add dapm widgets and route
  ...
2021-02-21 14:21:35 -08:00
Andy Shevchenko
ef3c67b645 mfd: intel_msic: Remove driver for deprecated platform
Intel Moorestown and Medfield are quite old Intel Atom based
32-bit platforms, which were in limited use in some Android phones,
tablets and consumer electronics more than eight years ago.

There are no bugs or problems ever reported outside from Intel
for breaking any of that platforms for years. It seems no real
users exists who run more or less fresh kernel on it. Commit
05f4434bc1 ("ASoC: Intel: remove mfld_machine") is also in align
with this theory.

Due to above and to reduce a burden of supporting outdated drivers,
remove the support for outdated platforms completely.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2021-02-09 15:28:37 +01:00
Dan Carpenter
26783d74cc mfd: wm831x-auxadc: Prevent use after free in wm831x_auxadc_read_irq()
The "req" struct is always added to the "wm831x->auxadc_pending" list,
but it's only removed from the list on the success path.  If a failure
occurs then the "req" struct is freed but it's still on the list,
leading to a use after free.

Fixes: 78bb3688ea ("mfd: Support multiple active WM831x AUXADC conversions")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-02-08 13:54:40 +00:00
Jeff LaBundy
6a8fac01dc mfd: iqs62x: Do not change clock frequency during ATI
After a reset event, the device automatically triggers ATI at the
default core clock frequency (16 MHz). Soon afterward, the driver
loads firmware which may attempt to lower the frequency.

If this initial ATI cycle is still in progress when the frequency
is changed, however, the device incorrectly reports channels 0, 1
and 2 to be in a state of touch once ATI finally completes.

To solve this problem, wait until ATI is complete before lowering
the frequency. Because this particular ATI cycle occurs following
a reset event, its duration is predictable and a simple delay can
suffice.

Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-02-08 13:54:38 +00:00
Jeff LaBundy
02e550d5b7 mfd: iqs62x: Do not poll during ATI
After loading firmware, the driver triggers ATI (calibration) with
the newly loaded register configuration in place. Next, the driver
polls a register field to ensure ATI completed in a timely fashion
and that the device is ready to sense.

However, communicating with the device over I2C while ATI is under-
way may induce noise in the device and cause ATI to fail. As such,
the vendor recommends not to poll the device during ATI.

To solve this problem, let the device naturally signal to the host
that ATI is complete by way of an interrupt. A completion prevents
the sub-devices from being registered until this happens.

The former logic that scaled ATI timeout and filter settling delay
is not carried forward with the new implementation, as it produces
overly conservative delays at lower clock rates. Instead, a single
pair of delays that covers all cases is used.

Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-02-08 13:54:36 +00:00
Jeff LaBundy
a3a06ea174 mfd: iqs62x: Increase interrupt handler return delay
The time the device takes to deassert its RDY output following an
I2C stop condition scales with the core clock frequency.

To prevent level-triggered interrupts from being reasserted after
the interrupt handler returns, increase the time before returning
to account for the worst-case delay (~90 us) plus margin.

Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-02-08 13:54:34 +00:00
Jeff LaBundy
f0c711266a mfd: iqs62x: Rename regmap_config struct
The regmap member of the driver's private data is called 'regmap',
but the regmap_config struct is called 'iqs62x_map_config'. Rename
the latter to 'iqs62x_regmap_config' for consistency.

Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-02-08 13:54:33 +00:00
Jeff LaBundy
7ed645d54e mfd: iqs62x: Remove unused bit mask
The register write that performed a mandatory soft reset during
probe was removed during development of the driver, however the
IQS62X_SYS_SETTINGS_SOFT_RESET bit mask was left behind. Remove
it to keep stray macros out of the driver.

Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-02-08 13:54:31 +00:00
Jeff LaBundy
8dc61152df mfd: iqs62x: Remove superfluous whitespace above fallthroughs
Previously, all instances of the /* fall through */ comment were
preceded by a newline to improve readability.

Now that /* fall through */ comments have been replaced with the
fallthrough pseudo-keyword, the leftover whitespace looks out of
place and can simply be removed.

Fixes: df561f6688 ("treewide: Use fallthrough pseudo-keyword")
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-02-08 13:54:29 +00:00
Jarkko Nikula
c7b79a7528 mfd: intel-lpss: Add Intel Alder Lake PCH-S PCI IDs
Add Intel Alder Lake LPSS PCI IDs.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-02-08 13:54:27 +00:00
Russ Weight
296f5568c6 mfd: intel-m10-bmc: Expose MAC address and count
Create two sysfs entries for exposing the MAC address and count
from the MAX10 BMC register space. The MAC address is the first
in a sequential block of MAC addresses reserved for the FPGA card.
The MAC count is the number of MAC addresses in the reserved block.

Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-02-08 13:54:25 +00:00
Dmitry Osipenko
92eba6802c mfd: Add driver for Embedded Controller found on Acer Iconia Tab A500
Acer Iconia Tab A500 is an Android tablet device, it has ENE KB930
Embedded Controller which provides battery-gauge, LED, GPIO and some
other functions. The EC uses firmware that is specifically customized
for Acer A500. This patch adds MFD driver for the Embedded Controller
which allows to power-off / reboot the A500 device, it also provides
a common register read/write API that will be used by the sub-devices.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-02-08 13:54:22 +00:00
Andy Shevchenko
f7b6732178 mfd: intel-lpss: Add Intel Alder Lake PCH-P PCI IDs
Add Intel Alder Lake LPSS PCI IDs.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-02-08 13:54:16 +00:00
Tim Harvey
8d9bf3c3e1 mfd: gateworks-gsc: Fix interrupt type
The Gateworks System Controller has an active-low interrupt.
Fix the interrupt request type.

Cc: <stable@vger.kernel.org>
Fixes: d85234994b ("mfd: Add Gateworks System Controller core driver")
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-02-08 13:54:14 +00:00
Lee Jones
db783e769a mfd: Standardise MFD_CELL_* helper names
Start all helpers with "MFD_CELL_".

Cc: Gene Chen <gene_chen@richtek.com>
Cc: linux-mediatek@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-02-08 13:54:12 +00:00
Zheng Yongjun
ab099cc6e5 mfd: mcp-sa11x0: Use DIV_ROUND_UP to calculate rw_timeout
Don't open-code DIV_ROUND_UP() kernel macro.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-02-08 13:54:10 +00:00