mfd: wm8994: Update to use maple tree register cache

The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probab

mfd: wm8994: Update to use maple tree register cache

The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache. In
v6.5 it has also acquired the ability to generate multi-register writes in
sync operations, bringing performance up to parity with the rbtree cache
there.

Update the wm8994 driver to use the more modern data structure.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230713-mfd-cirrus-maple-v1-9-16dacae402a8@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>

show more ...

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

Based on 1 normalized pattern(s):

this program is free software you can redistribute it and or modify
it under the terms of th

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

Based on 1 normalized pattern(s):

this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version

extracted by the scancode license scanner the SPDX license identifier

GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

show more ...

mfd: wm8994-regmap: Constify reg_default tables

These reg_default tables are not modified after initialized, so make them
const.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Charles Keep

mfd: wm8994-regmap: Constify reg_default tables

These reg_default tables are not modified after initialized, so make them
const.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

show more ...

mfd: wm8994: Export symbols ready for built-in => modular build

We'd like to be able to build the WM8994 family as modules, but the
build will fail if the external symbols aren't exported first.

Ac

mfd: wm8994: Export symbols ready for built-in => modular build

We'd like to be able to build the WM8994 family as modules, but the
build will fail if the external symbols aren't exported first.

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

show more ...

mfd: wm8994: Add a bunch of missing defaults/readables

Ever since this commit:

commit d4807ad2c4c0e17b6f00e3be9492c81de0804f40
regmap: Check readable regs in _regmap_read

Regmap will refuse to rea

mfd: wm8994: Add a bunch of missing defaults/readables

Ever since this commit:

commit d4807ad2c4c0e17b6f00e3be9492c81de0804f40
regmap: Check readable regs in _regmap_read

Regmap will refuse to read a register which is not marked as readable,
this has highlighted a number of controls in this driver which are not
marked as readable/missing defaults.

This patch corrects the situation, by adding the missing
readables/defaults.

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

show more ...

mfd: wm8994: Implement support for WM1811 devices with higher cust_ids

Higher cust_ids have had the device revision field reset so need different
handling of GPIO6.

Signed-off-by: Mark Brown <broon

mfd: wm8994: Implement support for WM1811 devices with higher cust_ids

Higher cust_ids have had the device revision field reset so need different
handling of GPIO6.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

show more ...

mfd: Cache wm8994 chip revision

There's no need to mark the chip revision registers as volatile, it won't
change at runtime so we can cache it from the device at startup.

Signed-off-by: Mark Brown

mfd: Cache wm8994 chip revision

There's no need to mark the chip revision registers as volatile, it won't
change at runtime so we can cache it from the device at startup.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

show more ...

mfd: wm8994: Fix register default for WM1811 AntiPOP2

Should be all bits clear.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

mfd: wm8994: Remove defaults for volatile registers

Some volatile registers accidentally had defaults added, though there were
no harmful side effects other than increased memory consumption.

Signe

mfd: wm8994: Remove defaults for volatile registers

Some volatile registers accidentally had defaults added, though there were
no harmful side effects other than increased memory consumption.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

show more ...

device.h: cleanup users outside of linux/include (C files)

For files that are actively using linux/device.h, make sure
that they call it out. This will allow us to clean up some
of the implicit use

device.h: cleanup users outside of linux/include (C files)

For files that are actively using linux/device.h, make sure
that they call it out. This will allow us to clean up some
of the implicit uses of linux/device.h within include/*
without introducing build regressions.

Yes, this was created by "cheating" -- i.e. the headers were
cleaned up, and then the fallout was found and fixed, and then
the two commits were reordered. This ensures we don't introduce
build regressions into the git history.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

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mfd: Correct readability of WM8994 DC servo 4E register

It should be marked as readable but wasn't, breaking DC servo operation.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Sign

mfd: Correct readability of WM8994 DC servo 4E register

It should be marked as readable but wasn't, breaking DC servo operation.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

show more ...

mfd: wm8994: Mark MICBIAS register as readable

Omitted in the regmap conversion.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

mfd: Correct readability of WM8994 DC servo 4E register

It should be marked as readable but wasn't, breaking DC servo operation.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Sign

mfd: Correct readability of WM8994 DC servo 4E register

It should be marked as readable but wasn't, breaking DC servo operation.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

show more ...

mfd: Mark WM1811 GPIO6 register volatile for later revisions

For later chip revisions the WM1811 GPIO6 register is always volatile so
store the device revision when initialising the driver and then

mfd: Mark WM1811 GPIO6 register volatile for later revisions

For later chip revisions the WM1811 GPIO6 register is always volatile so
store the device revision when initialising the driver and then check at
runtime if we're running on a newer device.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>

show more ...

mfd: Initialise WM8994 register cache after reading chip ID registers

The different devices handled by the WM8994 can be distinguished using
their ID registers so we don't need to rely on the user h

mfd: Initialise WM8994 register cache after reading chip ID registers

The different devices handled by the WM8994 can be distinguished using
their ID registers so we don't need to rely on the user having registered
the device correctly. Instead do the initial regmap setup with a minimal
configuration only supporting physical I/O and then configure the cache
once we have identified the device.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>

show more ...

mfd: Add wm8994 register access and default information

Describe the register map to the regmap core so that we can use its
diagnostic features and cache support. This is split out from the patch
u

mfd: Add wm8994 register access and default information

Describe the register map to the regmap core so that we can use its
diagnostic features and cache support. This is split out from the patch
using it due to the size so that the actual code change is a bit clearer.

As the various devices are supersets of each other the access maps are
built up by layering the functions on top of each other, though the
interface for specifying the register defaults isn't currently amenable
to this.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>

show more ...

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

Based on 1 normalized pattern(s):

this program is free software you can redistribute it and or modify
it u

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

Based on 1 normalized pattern(s):

this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version

extracted by the scancode license scanner the SPDX license identifier

GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

show more ...

mfd: wm8994-regmap: Constify reg_default tables

These reg_default tables are not modified after initialized, so make them
const.

Signed-off-by: Axel Lin <axel.lin@ingics.com>

mfd: wm8994-regmap: Constify reg_default tables

These reg_default tables are not modified after initialized, so make them
const.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

show more ...

mfd: wm8994: Export symbols ready for built-in => modular build

We'd like to be able to build the WM8994 family as modules, but the
build will fail if the external symbols aren't exporte

mfd: wm8994: Export symbols ready for built-in => modular build

We'd like to be able to build the WM8994 family as modules, but the
build will fail if the external symbols aren't exported first.

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

show more ...

mfd: wm8994: Add a bunch of missing defaults/readables

Ever since this commit:

commit d4807ad2c4c0e17b6f00e3be9492c81de0804f40
regmap: Check readable regs in _regmap_read

mfd: wm8994: Add a bunch of missing defaults/readables

Ever since this commit:

commit d4807ad2c4c0e17b6f00e3be9492c81de0804f40
regmap: Check readable regs in _regmap_read

Regmap will refuse to read a register which is not marked as readable,
this has highlighted a number of controls in this driver which are not
marked as readable/missing defaults.

This patch corrects the situation, by adding the missing
readables/defaults.

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

show more ...

mfd: wm8994: Implement support for WM1811 devices with higher cust_ids

Higher cust_ids have had the device revision field reset so need different
handling of GPIO6.

Signed-off-b

mfd: wm8994: Implement support for WM1811 devices with higher cust_ids

Higher cust_ids have had the device revision field reset so need different
handling of GPIO6.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

show more ...

mfd: Cache wm8994 chip revision

There's no need to mark the chip revision registers as volatile, it won't
change at runtime so we can cache it from the device at startup.

Signed

mfd: Cache wm8994 chip revision

There's no need to mark the chip revision registers as volatile, it won't
change at runtime so we can cache it from the device at startup.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

show more ...

Merge tag 'mfd_3.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFD changes from Samuel Ortiz:
- 4 new drivers: Freescale i.MX on-chip Anatop, Ricoh's RC5T583

Merge tag 'mfd_3.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFD changes from Samuel Ortiz:
- 4 new drivers: Freescale i.MX on-chip Anatop, Ricoh's RC5T583 and
TI's TPS65090 and TPS65217.
- New variants support (8420, 8520 ab9540), cleanups and bug fixes for
the abx500 and db8500 ST-E chipsets.
- Some minor fixes and update for the wm8994 from Mark.
- The beginning of a long term TWL cleanup effort coming from the TI
folks.
- Various fixes and cleanups for the s5m, TPS659xx, pm860x, and MAX8997
drivers.

Fix up trivial conflicts due to duplicate patches and header file
cleanups (<linux/device.h> removal etc).

* tag 'mfd_3.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (97 commits)
gpio/twl: Add DT support to gpio-twl4030 driver
gpio/twl: Allocate irq_desc dynamically for SPARSE_IRQ support
mfd: Detach twl6040 from the pmic mfd driver
mfd: Replace twl-* pr_ macros by the dev_ equivalent and do various cleanups
mfd: Micro-optimization on twl4030 IRQ handler
mfd: Make twl4030 SIH SPARSE_IRQ capable
mfd: Move twl-core IRQ allocation into twl[4030|6030]-irq files
mfd: Remove references already defineid in header file from twl-core
mfd: Remove unneeded header from twl-core
mfd: Make twl-core not depend on pdata->irq_base/end
ARM: OMAP2+: board-omap4-*: Do not use anymore TWL6030_IRQ_BASE in board files
mfd: Return twl6030_mmc_card_detect IRQ for board setup
Revert "mfd: Add platform data for MAX8997 haptic driver"
mfd: Add support for TPS65090
mfd: Add some da9052-i2c section annotations
mfd: Build rtc5t583 only if I2C config is selected to y.
mfd: Add anatop mfd driver
mfd: Fix compilation error in tps65910.h
mfd: Add 8420 variant to db8500-prcmu
mfd: Add 8520 PRCMU variant to db8500-prcmu
...

show more ...

Merge tag 'device-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux

Pull <linux/device.h> avoidance patches from Paul Gortmaker:
"Nearly every subsystem has some kin

Merge tag 'device-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux

Pull <linux/device.h> avoidance patches from Paul Gortmaker:
"Nearly every subsystem has some kind of header with a proto like:

void foo(struct device *dev);

and yet there is no reason for most of these guys to care about the
sub fields within the device struct. This allows us to significantly
reduce the scope of headers including headers. For this instance, a
reduction of about 40% is achieved by replacing the include with the
simple fact that the device is some kind of a struct.

Unlike the much larger module.h cleanup, this one is simply two
commits. One to fix the implicit <linux/device.h> users, and then one
to delete the device.h includes from the linux/include/ dir wherever
possible."

* tag 'device-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux:
device.h: audit and cleanup users in main include dir
device.h: cleanup users outside of linux/include (C files)

show more ...

mfd: wm8994: Fix register default for WM1811 AntiPOP2

Should be all bits clear.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <same

mfd: wm8994: Fix register default for WM1811 AntiPOP2

Should be all bits clear.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

show more ...