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Jonas Jelonek
99fd09e01d dt-bindings: i2c: realtek,rtl9301-i2c: extend for RTL9310 support 
Adjust the regex for child-node address to account for the fact that
RTL9310 supports 12 instead of only 8 SDA lines. Also, narrow this per
variant.

Add a vendor-specific property to explicitly specify the SCL line number
of the defined I2C controller/master. This is required, in particular
for RTL9310, to operate on the correct SCL for each controller. Require
this property to be specified for RTL9310.

Add compatibles for known SoC variants RTL9311, RTL9312 and RTL9313.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20250927101931.71575-9-jelonek.jonas@gmail.com
 2025-10-04 11:43:41 +02:00
Jonas Jelonek
46fe826568 i2c: rtl9300: use scoped guard instead of explicit lock/unlock 
Use the scoped guard infrastructure which unlocks a mutex automatically
when the guard goes out of scope, instead of explicit lock and unlock.
This simplifies the code and control flow in rtl9300_i2c_smbus_xfer and
removes the need of using goto in error cases to unlock before
returning.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> # On RTL9302C based board
Tested-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20250927101931.71575-8-jelonek.jonas@gmail.com
 2025-10-04 11:43:40 +02:00
Jonas Jelonek
059374aa0a i2c: rtl9300: separate xfer configuration and execution 
So far, the rtl9300_i2c_smbus_xfer code is quite a mess with function
calls distributed over the whole function setting different values in
different cases. Calls to rtl9300_i2c_config_xfer and
rtl9300_i2c_reg_addr_set are used in every case-block with varying
values whose meaning is not instantly obvious. In some cases, there are
additional calls within these case-blocks doing more things.

This is in general a bad design and especially really bad for
readability and maintainability because it distributes changes or
issues to multiple locations due to the same function being called with
different hardcoded values in different places.

To have a good structure, setting different parameters based on the
desired operation should not be interleaved with applying these
parameters to the hardware registers. Or in different words, the
parameter site should be mixed with the call site.

Thus, separate configuration and execution of an SMBus xfer within
rtl9300_i2c_smbus_xfer to improve readability and maintainability. Add a
new 'struct rtl9300_i2c_xfer' to carry the required parameters for an
xfer which are configured based on the input parameters within a single
switch-case block, without having any function calls within this block.

The function calls to actually apply these values to the hardware
registers then appear below in a single place and just operate on the
passed instance of 'struct rtl9300_i2c_xfer'. These are
'rtl9300_i2c_prepare_xfer' which combines applying all parameters of the
xfer to the corresponding register, and 'rtl9300_i2c_do_xfer' which
actually executes the xfer and does post-processing if needed.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Tested-by: Sven Eckelmann <sven@narfation.org>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> # On RTL9302C based board
Tested-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20250927101931.71575-7-jelonek.jonas@gmail.com
 2025-10-04 11:43:40 +02:00
Jonas Jelonek
d5b4fd6ed8 i2c: rtl9300: do not set read mode on every transfer 
Move the operation to set the read mode from config_xfer to probe.

The I2C controller of RTL9300 and RTL9310 support a legacy message mode
for READs with 'Read Address Data' instead of the standard format 'Write
Address ; Read Data'. There is no way to pass that via smbus_xfer, thus
there is no point in supported this in the driver and moreover no point
in setting this on every transaction. Setting this once in the probe
call is sufficient.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Tested-by: Sven Eckelmann <sven@narfation.org>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> # On RTL9302C based board
Tested-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20250927101931.71575-6-jelonek.jonas@gmail.com
 2025-10-04 11:43:40 +02:00
Jonas Jelonek
d1cef7afc3 i2c: rtl9300: move setting SCL frequency to config_io 
Move the register operation to set the SCL frequency to the
rtl9300_i2c_config_io function instead of the rtl9300_i2c_config_xfer
function. This rather belongs there next to selecting the current SDA
output line.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Tested-by: Sven Eckelmann <sven@narfation.org>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> # On RTL9302C based board
Tested-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20250927101931.71575-5-jelonek.jonas@gmail.com
 2025-10-04 11:43:40 +02:00
Jonas Jelonek
c840492ad7 i2c: rtl9300: rename internal sda_pin to sda_num 
Rename the internally used 'sda_pin' to 'sda_num' to make it clear that
this is NOT the actual pin number of the GPIO pin but rather the logical
SDA channel number. Although the alternate function SDA_Y is sometimes
given with the GPIO number, this is not always the case. Thus, avoid any
confusion or misconfiguration by giving the variable the correct name.

This follows the description change in the devicetree bindings.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Tested-by: Sven Eckelmann <sven@narfation.org>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> # On RTL9302C based board
Tested-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20250927101931.71575-4-jelonek.jonas@gmail.com
 2025-10-04 11:43:40 +02:00
Jonas Jelonek
0395a5e8fd dt-bindings: i2c: realtek,rtl9301-i2c: fix wording and typos 
Fix wording of binding description to use plural because there is not
only a single RTL9300 SoC. RTL9300 describes a whole family of Realtek
SoCs.

Add missing word 'of' in description of reg property.

Change 'SDA pin' to 'SDA line number' because the property must contain
the SDA (channel) number ranging from 0-7 instead of a real pin number.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> # On RTL9302C based board
Tested-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20250927101931.71575-3-jelonek.jonas@gmail.com
 2025-10-04 11:43:40 +02:00
Jonas Jelonek
85f1c01ce2 i2c: rtl9300: use regmap fields and API for registers 
Adapt the RTL9300 I2C controller driver to use more of the regmap
API, especially make use of reg_field and regmap_field instead of macros
to represent registers. Most register operations are performed through
regmap_field_* API then.

Handle SCL selection using separate chip-specific functions since this
is already known to differ between the Realtek SoC families in such a
way that this cannot be properly handled using just a different
reg_field.

This makes it easier to add support for newer generations or to handle
differences between specific revisions within a series. Just by
defining a separate driver data structure with the corresponding
register field definitions and linking it to a new compatible.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Tested-by: Sven Eckelmann <sven@narfation.org>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> # On RTL9302C based board
Tested-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20250927101931.71575-2-jelonek.jonas@gmail.com
 2025-10-04 11:43:40 +02:00
Harshal Gohel
d3c2191d49 i2c: rtl9300: Implement I2C block read and write 
It was noticed that the original implementation of SMBus Block Write in the
driver was actually an I2C Block Write. Both differ only in the Count byte
before the actual data:

  S Addr Wr [A] Comm [A] Count [A] Data [A] Data [A] ... [A] Data [A] P

The I2C Block Write is just skipping this Count byte and starts directly
with the data:

  S Addr Wr [A] Comm [A] Data [A] Data [A] ... [A] Data [A] P

The I2C controller of RTL93xx doesn't handle this Count byte special and it
is simply another one of (16 possible) data bytes. Adding support for the
I2C Block Write therefore only requires skipping the count byte (0) in
data->block.

It is similar for reads. The SMBUS Block read is having a Count byte before
the data:

  S Addr Wr [A] Comm [A]
            Sr Addr Rd [A] [Count] A [Data] A [Data] A ... A [Data] NA P

And the I2C Block Read is directly starting with the actual data:

  S Addr Wr [A] Comm [A]
            Sr Addr Rd [A] [Data] A [Data] A ... A [Data] NA P

The I2C controller is also not handling this byte in a special way. It
simply provides every byte after the Rd marker + Ack as part of the 16 byte
receive buffer (registers). The content of this buffer just has to be
copied to the right position in the receive data->block.

Signed-off-by: Harshal Gohel <hg@simonwunderlich.de>
Co-developed-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Tested-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/all/20250927-i2c-rtl9300-multi-byte-v7-2-c0fd0e78b818@narfation.org
 2025-10-04 11:43:40 +02:00
Linus Torvalds
cf8da11679 i2c-for-6.18-rc1 
Mostly DT bindings additions this time because Andi was super busy and I
 also could only partly cover it.
 
 - new ids for qcom-cci, mt65xx, exynos5, apple, tegra20, k1, i801
 - drop support for already removed S3C2410
 - introduce and use fwnode_for_each_child_node_scoped()
 - mmt65xx: improve write-then-read transactions
 - k1: various fixes around bus errors and resets
 - usual share of cleanups, minor improvements, PM fixes...
 
 at24 updates
 
 - add the compatible for Giantec GT24C256C to the device-tree bindings
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Merge tag 'i2c-for-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c updates from Wolfram Sang:
 "Mostly DT bindings additions this time because Andi was super busy and
  I also could only partly cover it.

   - new ids for qcom-cci, mt65xx, exynos5, apple, tegra20, k1, i801

   - drop support for already removed S3C2410

   - introduce and use fwnode_for_each_child_node_scoped()

   - mmt65xx: improve write-then-read transactions

   - k1: various fixes around bus errors and resets

   - usual share of cleanups, minor improvements, PM fixes...

  at24 updates:

   - add the compatible for Giantec GT24C256C to the device-tree
     bindings"

* tag 'i2c-for-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (33 commits)
  i2c: i801: Add support for Intel Wildcat Lake-U
  dt-bindings: i2c: i2c-mt65xx: Add MediaTek MT8196/6991 compatibles
  i2c: designware: Add disabling clocks when probe fails
  i2c: designware: Fix clock issue when PM is disabled
  i2c: busses: Fix some spelling errors
  i2c: mux: Simplify boolean assignment in i2c_mux_alloc
  i2c: designware: use dev_err_probe() when probing platform device
  i2c: designware: convert to dev_err_probe() on request IRQ error
  i2c: spacemit: ensure SDA is released after bus reset
  i2c: spacemit: check SDA instead of SCL after bus reset
  i2c: spacemit: disable SDA glitch fix to avoid restart delay
  i2c: spacemit: remove stop function to avoid bus error
  i2c: spacemit: ensure bus release check runs when wait_bus_idle() fails
  i2c: mediatek: fix potential incorrect use of I2C_MASTER_WRRD
  i2c: boardinfo: Annotate code used in init phase only
  dt-bindings: i2c: i2c-mt65xx: Document MediaTek MT6878 I2C
  dt-bindings: i2c: samsung,s3c2410-i2c: Drop S3C2410
  i2c: s3c2410: Drop S3C2410 OF support
  dt-bindings: i2c: spacemit,k1-i2c: Minor whitespace cleanup in example
  dt-bindings: i2c: exynos5: add samsung,exynos8890-hsi2c compatible
  ...
 2025-10-01 15:11:00 -07:00
Linus Torvalds
5fb0249319 Pin control changes for the v6.18 kernel cycle: 
Core changes:
 
 - Allow pins to be identified/marked as GPIO mode with
   a special callback. The pin controller core is now
   "aware" if a pin is in GPIO mode if the callback is
   implemented in the driver, and can thus be marked
   as "strict", i.e. disallowing simultaneous use of a
   line as GPIO and another function such as I2C. This
   is enabled in the Qualcomm TLMM driver and also
   implemeted from day 1 in the new Broadcom STB driver.
 
 - Rename the pin config option PIN_CONFIG_OUTPUT to
   PIN_CONFIG_LEVEL to better describe what the config is
   doing, as well as making it more intuitive what shall
   be returned when reading this property.
 
 New drivers:
 
 - Qualcomm SDM660 LPASS LPI TLMM pin controller subdriver.
 
 - Qualcomm Glymur family pin controller driver.
 
 - Broadcom STB family pin controller driver.
 
 - Tegra186 pin controller driver.
 
 - AAEON UP pin controller support. This is some special
   pin controller that works as an external advanced line
   MUX and amplifier for signals from an Intel SoC.
   A cooperative effort with the GPIO maintainer was
   needed to reach a solution where we reuse code from
   the GPIO aggregator/forwarder driver.
 
 - Renesas RZ/T2H and RZ/N2H pin controller support.
 
 - Axis ARTPEC-8 subdriver for the Samsung pin controller
   driver.
 
 Improvements:
 
 - Output enable (OEN) support in the Renesas RZG2L driver.
 
 - Properly support bias pull up/down in the pinctrl-single
   driver.
 
 - Move over all GPIO portions using generic MMIO GPIO to
   the new generic GPIO chip management which has a nice and
   separate API.
 
 - Proper DT bindings for some older Broadcom SoCs.
 
 - External GPIO (EGPIO) support in the Qualcomm SM8250.
 
 Deleted code:
 
 - Dropped the now unused Samsung S3C24xx drivers.
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Merge tag 'pinctrl-v6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "We have GPIO awareness in the pin control core and an interesting
  AAEON driver.

  Core changes:

   - Allow pins to be identified/marked as GPIO mode with a special
     callback.

     The pin controller core is now "aware" if a pin is in GPIO mode if
     the callback is implemented in the driver, and can thus be marked
     as "strict", i.e. disallowing simultaneous use of a line as GPIO
     and another function such as I2C.

     This is enabled in the Qualcomm TLMM driver and also implemeted
     from day 1 in the new Broadcom STB driver

   - Rename the pin config option PIN_CONFIG_OUTPUT to PIN_CONFIG_LEVEL
     to better describe what the config is doing, as well as making it
     more intuitive what shall be returned when reading this property

  New drivers:

   - Qualcomm SDM660 LPASS LPI TLMM pin controller subdriver

   - Qualcomm Glymur family pin controller driver

   - Broadcom STB family pin controller driver

   - Tegra186 pin controller driver

   - AAEON UP pin controller support.

     This is some special pin controller that works as an external
     advanced line MUX and amplifier for signals from an Intel SoC. A
     cooperative effort with the GPIO maintainer was needed to reach a
     solution where we reuse code from the GPIO aggregator/forwarder
     driver

   - Renesas RZ/T2H and RZ/N2H pin controller support

   - Axis ARTPEC-8 subdriver for the Samsung pin controller driver

  Improvements:

   - Output enable (OEN) support in the Renesas RZG2L driver

   - Properly support bias pull up/down in the pinctrl-single driver

   - Move over all GPIO portions using generic MMIO GPIO to the new
     generic GPIO chip management which has a nice and separate API

   - Proper DT bindings for some older Broadcom SoCs

   - External GPIO (EGPIO) support in the Qualcomm SM8250

  Deleted code:

   - Dropped the now unused Samsung S3C24xx drivers"

* tag 'pinctrl-v6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (75 commits)
  pinctrl: use more common syntax for compound literals
  pinctrl: Simplify printks with pOF format
  pinctrl: qcom: Add SDM660 LPASS LPI TLMM
  dt-bindings: pinctrl: qcom: Add SDM660 LPI pinctrl
  pinctrl: qcom: lpass-lpi: Add ability to use custom pin offsets
  pinctrl: qcom: Add glymur pinctrl driver
  dt-bindings: pinctrl: qcom: Add Glymur pinctrl
  pinctrl: qcom: sm8250: Add egpio support
  pinctrl: generic: rename PIN_CONFIG_OUTPUT to LEVEL
  pinctrl: keembay: fix double free in keembay_build_functions()
  pinctrl: spacemit: fix typo in PRI_TDI pin name
  pinctrl: eswin: Fix regulator error check and Kconfig dependency
  pinctrl: bcm: Add STB family pin controller driver
  dt-bindings: pinctrl: Add support for Broadcom STB pin controller
  pinctrl: qcom: make the pinmuxing strict
  pinctrl: qcom: mark the `gpio` and `egpio` pins function as non-strict functions
  pinctrl: qcom: add infrastructure for marking pin functions as GPIOs
  pinctrl: allow to mark pin functions as requestable GPIOs
  pinctrl: qcom: use generic pin function helpers
  pinctrl: make struct pinfunction a pointer in struct function_desc
  ...
 2025-10-01 13:14:48 -07:00
Linus Torvalds
524c4a5daf Bug fixes and enhancements for IPMI 
This request fixes a number of small bugs, but has some more major
 changes:
 
 Loongson-2K BMC support is added.  This is an MFD device and is
 dependent on the changes coming from that tree.  There is a
 conflict in the MAINTAINERS file and the MFD tree changes must be
 there before this is applied.
 
 The way the driver handles BMCs that have become non-functional
 has been completely redone.  A number of changes in the past have
 attempted to handle various issues around this, but nothing has
 been very good.  After working with some people on this, the
 code has been reworked to disable the driver and fail all
 pending operations if the BMC becomes non functional. It will
 retry the BMC once a second to see if it's back up.
 
 -corey
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Merge tag 'for-linus-6.18-1' of https://github.com/cminyard/linux-ipmi

Pull IPMI updates from Corey Minyard:
 "Bug fixes and enhancements for IPMI

  This fixes a number of small bugs, but has some more major changes:

   - Loongson-2K BMC support is added. This is an MFD device and is
     dependent on the changes coming from that tree.

     The way the driver handles BMCs that have become non-functional has
     been completely redone. A number of changes in the past have
     attempted to handle various issues around this, but nothing has
     been very good. After working with some people on this, the code
     has been reworked to disable the driver and fail all pending
     operations if the BMC becomes non functional. It will retry the BMC
     once a second to see if it's back up"

* tag 'for-linus-6.18-1' of https://github.com/cminyard/linux-ipmi:
  ipmi: Add Loongson-2K BMC support
  ipmi:si: Gracefully handle if the BMC is non-functional
  ipmi: Rename "user_data" to "recv_msg" in an SMI message
  ipmi: Allow an SMI sender to return an error
  ipmi:si: Move flags get start to its own function
  ipmi:si: Merge some if statements
  ipmi: Set a timer for maintenance mode
  ipmi: Add a maintenance mode sysfs file
  ipmi: Disable sysfs access and requests in maintenance mode
  ipmi: Differentiate between reset and firmware update in maintenance
  dt-bindings: ipmi: aspeed,ast2400-kcs-bmc: Add missing "clocks" property
  ipmi: Rework user message limit handling
  Revert "ipmi: fix msg stack when IPMI is disconnected"
  ipmi:msghandler:Change seq_lock to a mutex
 2025-10-01 13:10:30 -07:00
Linus Torvalds
3ee22ad492 power supply and reset changes for the 6.18 series 
* power-supply core
   - introduce adc-battery-helper for capacity estimation based on
     simple ADC readings of battery voltage and current
   - add new property for battery internal resistance
   - add new property for battery state of health
  * power-supply drivers
   - ug3105_battery: convert to adc-battery-helper
   - intel_dc_ti_battery: New driver for Intel Dollar Cove TI batteries
   - rt9467-charger: add voltage and current ADC support
   - sbs-charger: support multiple instances
   - qcom_battmgr: add charge control support
   - qcom_battmgr: add support for state of health and internal resistance
   - max77705_charger: big driver cleanup
   - max77705_charger: add support for setting charge current
   - misc. minor fixes and cleanups
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Merge tag 'for-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "Power-supply core:
   - introduce adc-battery-helper for capacity estimation based on
     simple ADC readings of battery voltage and current
   - add new properties for battery internal resistance and state of
     health

  Power-supply drivers:
   - ug3105_battery: convert to adc-battery-helper
   - intel_dc_ti_battery: New driver for Intel Dollar Cove TI batteries
   - rt9467-charger: add voltage and current ADC support
   - sbs-charger: support multiple instances
   - qcom_battmgr:
       - add charge control support
       - add support for state of health and internal resistance
   - max77705_charger:
       - big driver cleanup
       - add support for setting charge current
   - misc minor fixes and cleanups"

* tag 'for-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (38 commits)
  power: supply: qcom_battmgr: handle charging state change notifications
  power: supply: max77705_charger: use REGMAP_IRQ_REG_LINE macro
  power: supply: max77705_charger: rework interrupts
  power: supply: max77705_charger: add writable properties
  power: supply: max77705_charger: return error when config fails
  power: supply: max77705_charger: use regfields for config registers
  power: supply: max77705_charger: refactoring: rename charger to chg
  mfd: max77705: max77705_charger: move active discharge setting to mfd parent
  power: supply: max77976_charger: fix constant current reporting
  power: supply: qcom_battmgr: Add charge control support
  dt-bindings: soc: qcom,pmic-glink: Add charge limit nvmem properties
  power: supply: qcom_battmgr: update compats for SM8550 and X1E80100
  power: supply: qcom_battmgr: Add state_of_health property
  power: supply: qcom_battmgr: Add resistance power supply property
  power: supply: core: Add state_of_health power supply property
  power: supply: core: Add resistance power supply property
  power: supply: rx51: remove redundant condition checks
  dt-bindings: power: supply: bq24190: document charge enable pin
  dt-bindings: power: supply: bq27xxx: document optional interrupt
  power: supply: intel_dc_ti_battery: Drop no longer relevant comment
  ...
 2025-10-01 13:02:59 -07:00
Linus Torvalds
dba8acc3ef HSI changes for the 6.18 series 
* Remove redundant pm_runtime_mark_last_busy() calls
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Merge tag 'hsi-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi

Pull HSI update from Sebastian Reichel:

 - Remove redundant pm_runtime_mark_last_busy() calls

* tag 'hsi-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
  HSI: omap_ssi_port: Remove redundant pm_runtime_mark_last_busy() calls
 2025-10-01 13:00:33 -07:00
Linus Torvalds
f07c3695bf firewire updates for v6.18 
This update includes the following changes:
 
 - Removal of the deprecated debug parameter from firewire-ohci module
 - Replacement of the module-local workqueue in 1394 OHCI PCI driver with
   a companion IRQ thread
 - Refactoring of bus management code
 - Additional minor code cleanup
 
 The existing tracepoints serve as an alternative to the removed debug
 parameter. The use of IRQ thread is experimental, as it handles 1394 OHCI
 SelfIDComplete event only. It may be replaced in the future releases with
 another approach; e.g. by providing workqueue from core functionality
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Merge tag 'firewire-updates-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394

Pull firewire updates from Takashi Sakamoto:
 "This update includes the following changes:

   - Removal of the deprecated debug parameter from firewire-ohci module

   - Replacement of the module-local workqueue in 1394 OHCI PCI driver
     with a companion IRQ thread

   - Refactoring of bus management code

   - Additional minor code cleanup

  The existing tracepoints serve as an alternative to the removed debug
  parameter. The use of IRQ thread is experimental, as it handles 1394
  OHCI SelfIDComplete event only. It may be replaced in the future
  releases with another approach; e.g. by providing workqueue from core
  functionality"

* tag 'firewire-updates-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: (43 commits)
  firewire: core: fix undefined reference error in ARM EABI
  Revert "firewire: core: disable bus management work temporarily during updating topology"
  Revert "firewire: core: shrink critical section of fw_card spinlock in bm_work"
  firewire: core: suppress overflow warning when computing jiffies from isochronous cycle
  firewire: core: minor code refactoring to delete useless local variable
  firewire: core; eliminate pick_me goto label
  firewire: core: code refactoring to split contention procedure for bus manager
  firewire: core: code refactoring for the case of generation mismatch
  firewire: core: use switch statement to evaluate transaction result to CSR_BUS_MANAGER_ID
  firewire: core: remove useless generation check
  firewire: core: use struct_size and flex_array_size in ioctl_add_descriptor
  firewire: core: shrink critical section of fw_card spinlock in bm_work
  firewire: core: disable bus management work temporarily during updating topology
  firewire: core: schedule bm_work item outside of spin lock
  firewire: core: annotate fw_destroy_nodes with must-hold-lock
  firewire: core: use spin lock specific to timer for split transaction
  firewire: core: use spin lock specific to transaction
  firewire: core: use spin lock specific to topology map
  firewire: core: maintain phy packet receivers locally in cdev layer
  firewire: core: use scoped_guard() to manage critical section to update topology
  ...
 2025-10-01 12:52:43 -07:00
Linus Torvalds
d3479214c0 Backlight for v6.18 
This set is comprised of a couple of small but important fixes and a number of clean-up and
 refactoring patches.  The fixes correct an EPROM address for the LP8556 and improve memory
 allocation safety in the LED backlight driver.
 
 The remainder of the set is made up of refactoring work to the mp3309c driver and a series of
 patches to make a number of drivers more self-contained by including their own dependencies.
 
 Improvements & Fixes
 - Correct the EPROM start address for the LP8556 to align with the device's datasheet.
 - Use devm_kcalloc() in the LED backlight driver for safer array allocation with overflow
   protection.
 
 Cleanups & Refactoring
 - Drop an unnecessary call to pwm_apply_args() in the mp3309c driver.
 - Modernize struct initialization in the mp3309c driver by using a compound literal instead of
   memset.
 - Make numerous drivers self-contained by including necessary headers directly rather than
   relying on transitive includes from the core backlight header.
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Merge tag 'backlight-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "This set is comprised of a couple of small but important fixes and a
  number of clean-up and refactoring patches. The fixes correct an EPROM
  address for the LP8556 and improve memory allocation safety in the LED
  backlight driver.

  The remainder of the set is made up of refactoring work to the mp3309c
  driver and a series of patches to make a number of drivers more
  self-contained by including their own dependencies.

  Improvements & Fixes:
   - Correct the EPROM start address for the LP8556 to align with the
     device's datasheet.
   - Use devm_kcalloc() in the LED backlight driver for safer array
     allocation with overflow protection.

  Cleanups & Refactoring
   - Drop an unnecessary call to pwm_apply_args() in the mp3309c driver.
   - Modernize struct initialization in the mp3309c driver by using a
     compound literal instead of memset.
   - Make numerous drivers self-contained by including necessary headers
     directly rather than relying on transitive includes from the core
     backlight header"

* tag 'backlight-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: rt4831: Include <linux/mod_devicetable.h>
  backlight: rave-sp: Include <linux/of.h> and <linux/mod_devicetable.h>
  backlight: led_bl: Include <linux/of.h>
  backlight: ktd2801: Include <linux/mod_devicetable.h>
  backlight: jornada720: Include <linux/io.h>
  backlight: da9052_bl: Include <linux/mod_devicetable.h>
  backlight: as3711_bl: Include <linux/of.h>
  backlight: apple_dwi_bl: Include <linux/mod_devicetable.h>
  backlight: Include <linux/of.h>
  video: backlight: lp855x_bl: Set correct EPROM start for LP8556
  backlight: led_bl: Use devm_kcalloc() for array space allocation
  backlight: mp3309c: Initialize backlight properties without memset
  backlight: mp3309c: Drop pwm_apply_args()
 2025-10-01 12:46:26 -07:00
Linus Torvalds
b386ef6286 LEDs for v6.18 
This submission is a mix of new features, a number of fixes, some clean-up/refactoring and a
 few Device Tree binding updates.  The most significant changes include new device support for
 the IS31FL3236A and QNAP's status LEDs, a number of fixes for the Qualcomm flash, LP55xx,
 MAX77705 and QNAP MCU drivers, along with some generic LED consumer binding documentation and
 unification.
 
 New Support & Features
 - Add support for the IS31FL3236A LED driver, including an optional 22kHz PWM frequency setting.
 - Add support for the red and green status LEDs on QNAP MCU devices.
 
 Improvements & Fixes
 - Fix an issue in the MAX77705 driver where an error value was assigned but not returned.
 - Correctly update the torch current clamp setting in the Qualcomm flash LED driver to prevent
   unexpected clamping.
 - Add a separate register map for the PMI8998 to the Qualcomm flash LED driver to handle its
   unique register layout.
 - Fix the state numbering for the USB LED in the QNAP MCU driver to avoid command conflicts.
 - Correct the memory programming address calculation for non-paged devices like the LP5562 in
   the LP55xx driver.
 - Add Device Tree support to the generic led_get() function, allowing LEDs to be looked up by
   name.
 
 Cleanups & Refactoring
 - Fix a spelling mistake in the Kconfig help text for the BD2606MVV driver.
 - Use devm_mutex_init() in the IS31FL319x driver to simplify code.
 
 Device Tree Bindings Updates
 - Drop the redundant '-db' suffix from the IS31FL319x binding.
 - Introduce generic LED consumer bindings for referencing LEDs via phandles.
 - Unify the 'leds' property across several bindings to use the new generic consumer binding.
 - Convert the AMS AS3645A LED controller binding to the DT schema format.
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Merge tag 'leds-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds

Pull LED updates from Lee Jones:
 "This submission is a mix of new features, a number of fixes, some
  clean-up/refactoring and a few Device Tree binding updates. The most
  significant changes include new device support for the IS31FL3236A and
  QNAP's status LEDs, a number of fixes for the Qualcomm flash, LP55xx,
  MAX77705 and QNAP MCU drivers, along with some generic LED consumer
  binding documentation and unification.

  New Support & Features:
   - Add support for the IS31FL3236A LED driver, including an optional
     22kHz PWM frequency setting.
   - Add support for the red and green status LEDs on QNAP MCU devices.

  Improvements & Fixes:
   - Fix an issue in the MAX77705 driver where an error value was
     assigned but not returned.
   - Correctly update the torch current clamp setting in the Qualcomm
     flash LED driver to prevent unexpected clamping.
   - Add a separate register map for the PMI8998 to the Qualcomm flash
     LED driver to handle its unique register layout.
   - Fix the state numbering for the USB LED in the QNAP MCU driver to
     avoid command conflicts.
   - Correct the memory programming address calculation for non-paged
     devices like the LP5562 in the LP55xx driver.
   - Add Device Tree support to the generic led_get() function, allowing
     LEDs to be looked up by name.

  Cleanups & Refactoring:
   - Fix a spelling mistake in the Kconfig help text for the BD2606MVV
     driver.
   - Use devm_mutex_init() in the IS31FL319x driver to simplify code.

  Device Tree Bindings Updates:
   - Drop the redundant '-db' suffix from the IS31FL319x binding.
   - Introduce generic LED consumer bindings for referencing LEDs via
     phandles.
   - Unify the 'leds' property across several bindings to use the new
     generic consumer binding.
   - Convert the AMS AS3645A LED controller binding to the DT schema
     format"

* tag 'leds-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds:
  dt-bindings: leds: as3645: Convert to DT schema
  leds: led-class: Add Device Tree support to led_get()
  dt-bindings: leds: Unify 'leds' property
  dt-bindings: leds: Add generic LED consumer documentation
  leds: is31fl319x: Use devm_mutex_init()
  leds: leds-lp55xx: Use correct address for memory programming
  dt-bindings: leds: issi,is31fl319x: Drop 'db' suffix duplicating dtschema
  leds: qnap-mcu: Add support for the red and green status LEDs
  leds: qnap-mcu: Fix state numbering for USB LED
  leds: flash: leds-qcom-flash: Add a separate register map for PMI8998
  leds: flash: leds-qcom-flash: Update torch current clamp setting
  leds: max77705: Function return instead of variable assignment
  leds: Kconfig: Fix spelling mistake "limitiation" -> "limitation"
  leds: leds-is31fl32xx: Add support for is31fl3236a
 2025-10-01 12:42:13 -07:00
Linus Torvalds
b4918003cf MFD for v6.18 
This round of updates contains a fair amount of new device support, a couple of fixes and
 some refactoring.  The most notable additions include new drivers for Loongson's Security
 Engine, RNG and TPM, new drivers for TI's TPS6594 Power Button and BQ257xx Charger ICs.
 
 The rest of the set provides a return value check fix and a refactoring to use a more modern
 GPIO API for the VEXPRESS sysreg driver, the removal of a deprecated IRQ ACK function from the
 MC13xxx RTC driver and a new DT binding for the aforementioned TI BQ257xx charger.
 
 New Support & Features
 - Add a suite of drivers for the Loongson Security Engine, including the core controller, a
   Random Number Generator (RNG) and Trusted Platform Module (TPM) support.
 - Introduce support for the TI TPS6594 PMIC's power button, including the input driver, MFD
   cell registration, and a system power-off handler.
 - Add comprehensive support for the TI BQ257xx series of charger ICs, including the core MFD
   driver and a power supply driver for the charger functionality.
 
 Improvements & Fixes
 - Check the return value of devm_gpiochip_add_data() in the VEXPRESS sysreg driver to prevent
   potential silent failures.
 
 Cleanups & Refactoring
 - Add a MAINTAINERS entry for the new Loongson Security Engine drivers.
 - Convert the VEXPRESS sysreg driver to use the modern generic GPIO chip API.
 
 Removals
 - Remove the deprecated and unused mc13xxx_irq_ack() function from the MC13xxx RTC, input and
   touchscreen drivers.
 
 Device Tree Bindings Updates
 - Add device tree bindings for the TI BQ25703A charger.
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Merge tag 'mfd-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "This round of updates contains a fair amount of new device support, a
  couple of fixes and some refactoring. The most notable additions
  include new drivers for Loongson's Security Engine, RNG and TPM, new
  drivers for TI's TPS6594 Power Button and BQ257xx Charger ICs.

  The rest of the set provides a return value check fix and a
  refactoring to use a more modern GPIO API for the VEXPRESS sysreg
  driver, the removal of a deprecated IRQ ACK function from the MC13xxx
  RTC driver and a new DT binding for the aforementioned TI BQ257xx
  charger.

  New Support & Features:
   - Add a suite of drivers for the Loongson Security Engine, including
     the core controller, a Random Number Generator (RNG) and Trusted
     Platform Module (TPM) support.
   - Introduce support for the TI TPS6594 PMIC's power button, including
     the input driver, MFD cell registration, and a system power-off
     handler.
   - Add comprehensive support for the TI BQ257xx series of charger ICs,
     including the core MFD driver and a power supply driver for the
     charger functionality.

  Improvements & Fixes:
   - Check the return value of devm_gpiochip_add_data() in the VEXPRESS
     sysreg driver to prevent potential silent failures.

  Cleanups & Refactoring:
   - Add a MAINTAINERS entry for the new Loongson Security Engine
     drivers.
   - Convert the VEXPRESS sysreg driver to use the modern generic GPIO
     chip API.

  Removals:
   - Remove the deprecated and unused mc13xxx_irq_ack() function from
     the MC13xxx RTC, input and touchscreen drivers.

  Device Tree Bindings Updates:
   - Add device tree bindings for the TI BQ25703A charger"

* tag 'mfd-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (69 commits)
  mfd: simple-mfd-i2c: Add compatible string for LX2160ARDB
  mfd: simple-mfd-i2c: Keep compatible strings in alphabetical order
  dt-bindings: mfd: twl: Add missing sub-nodes for TWL4030 & TWL603x
  dt-bindings: watchdog: Add SMARC-sAM67 support
  dt-bindings: mfd: tps6594: Allow gpio-line-names
  mfd: intel-lpss: Add Intel Wildcat Lake LPSS PCI IDs
  mfd: 88pm886: Add GPADC cell
  mfd: vexpress-sysreg: Use more common syntax for compound literals
  mfd: rz-mtu3: Fix MTU5 NFCR register offset
  mfd: max77705: Setup the core driver as an interrupt controller
  mfd: cs42l43: Remove IRQ masking in suspend
  mfd: cs42l43: Move IRQ enable/disable to encompass force suspend
  mfd: ls2kbmc: Add Loongson-2K BMC reset function support
  mfd: ls2kbmc: Introduce Loongson-2K BMC core driver
  mfd: bd71828, bd71815: Prepare for power-supply support
  dt-bindings: mfd: aspeed: Add AST2700 SCU compatibles
  dt-bindings: mfd: Convert aspeed,ast2400-p2a-ctrl to DT schema
  dt-bindings: mfd: fsl,mc13xxx: Add buttons node
  dt-bindings: mfd: fsl,mc13xxx: Convert txt to DT schema
  mfd: macsmc: Add "apple,t8103-smc" compatible
  ...
 2025-10-01 12:04:12 -07:00
Linus Torvalds
2d27453624 MMC core: 
- Improve RPMB frame handling code
  - Add support for a new max-sd-hs-hz DT property to limit frequency
  - Add support to manage regulator-under-voltage events
  - Support regulator-under-voltage for eMMC to mitigate data corruptions
  - Add mmc_read_tuning() to allow a host to validate its tuning sequence
  - Add some helpers to align checks for CMD23 support
  - Read the CCCR register for SDIO over SPI rather than the unsupported CMD7
 
 MMC host:
  - Add COMPILE_TEST option for a couple of drivers
  - Convert drivers to use the modern PM macros
  - dw_mmc-exynos: Enable support for the Exynos8890 variant
  - mmc_spi: Don't use crc ack during multiple block read
  - renesas_sdhi: Enable 64-bit polling mode for R-Car gen3 and RZ/G2L SoCs
  - rtsx_usb: Add support for over-current-protection
  - sdhci-cadence: Add support for multi-block read gap tuning
  - sdhci-msm: Add support for tuning for SDR50 mode for SD cards
  - sdhci-msm: Enable support for the Lemans variant
  - sdhci-pci: Disable SD card clock before update for a few Intel platforms
  - sdhci-pxav3: Add support for UHS pinctrl settings
  - tmio: Add 64-bit read/write support in polling mode
 
 MEMSTICK:
  - Convert to use timeouts to prevent indefinite waiting
  - rtsx_usb: Add support for over-current-protection
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Merge tag 'mmc-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Improve RPMB frame handling code
   - Add support for a new max-sd-hs-hz DT property to limit frequency
   - Add support to manage regulator-under-voltage events
   - Support regulator-under-voltage for eMMC to mitigate data
     corruptions
   - Add mmc_read_tuning() to allow a host to validate its tuning
     sequence
   - Add some helpers to align checks for CMD23 support
   - Read the CCCR register for SDIO over SPI rather than the
     unsupported CMD7

  MMC host:
   - Add COMPILE_TEST option for a couple of drivers
   - Convert drivers to use the modern PM macros
   - dw_mmc-exynos: Enable support for the Exynos8890 variant
   - mmc_spi: Don't use crc ack during multiple block read
   - renesas_sdhi: Enable 64-bit polling mode for R-Car gen3 and
     RZ/G2L SoCs
   - rtsx_usb: Add support for over-current-protection
   - sdhci-cadence: Add support for multi-block read gap tuning
   - sdhci-msm:
       - Add support for tuning for SDR50 mode for SD cards
       - Enable support for the Lemans variant
   - sdhci-pci: Disable SD card clock before update for a few
     Intel platforms
   - sdhci-pxav3: Add support for UHS pinctrl settings
   - tmio: Add 64-bit read/write support in polling mode

  MEMSTICK:
   - Convert to use timeouts to prevent indefinite waiting
   - rtsx_usb: Add support for over-current-protection"

* tag 'mmc-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (77 commits)
  dt-bindings: mmc: samsung,exynos-dw-mshc: add specific compatible for exynos8890
  mmc: select REGMAP_MMIO with MMC_LOONGSON2
  mmc: add COMPILE_TEST to multiple drivers
  mmc: core: Improve RPMB frame handling code
  mmc: core: Fix variable shadowing in mmc_route_rpmb_frames()
  mmc: core: Parse and use the new max-sd-hs-hz DT property
  dt-bindings: mmc: controller: Add max-sd-hs-hz property
  mmc: sdhci-msm: Enable tuning for SDR50 mode for SD card
  dt-bindings: mmc: sdhci-msm: Document the Lemans compatible
  mmc: sh_mmcif: Remove dummy PM resume callback
  dt-bindings: mmc: sdhci-pxa: Add minItems to pinctrl-names
  mmc: sdio: Drop dev_pm_domain_detach() call
  mmc: dw_mmc-rockchip: use modern PM macros
  mmc: dw_mmc-pci: use modern PM macros
  mmc: dw_mmc-k3: use modern PM macros
  mmc: dw_mmc: exynos: use modern PM macros
  mmc: via-sdmmc: use modern PM macros
  mmc: sdhci-msm: use modern PM macros
  mmc: mtk-sd: use modern PM macros
  mmc: wmt-sdmmc: use modern PM macros
  ...
 2025-10-01 11:54:40 -07:00
Linus Torvalds
e93bcbaa71 pmdomain providers: 
- amlogic: Add support for S6/S7/S7D power-domains controller
  - imx: Add support for i.MX91 power-domains
  - marvell: Add support for PXA1908 power-domains
  - mediatek: Add support for modem power sequence
  - mediatek: Add support for RTFF Hardware in MT8196/MT6991
  - qcom: Align power-domain definitions for rpmpd
  - rockchip: Default to use power-domain support
  - thead: Create auxiliary device along with a corresponding reset driver
  - ti: Synchronize on/off state with HW-state for ti-sci power-domains
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Merge tag 'pmdomain-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm

Pull pmdomain updates from Ulf Hansson:

 - amlogic: Add support for S6/S7/S7D power-domains controller

 - imx: Add support for i.MX91 power-domains

 - marvell: Add support for PXA1908 power-domains

 - mediatek:
    - Add support for modem power sequence
    - Add support for RTFF Hardware in MT8196/MT6991

 - qcom: Align power-domain definitions for rpmpd

 - rockchip: Default to use power-domain support

 - thead: Create auxiliary device along with a corresponding reset
   driver

 - ti: Synchronize on/off state with HW-state for ti-sci power-domains

* tag 'pmdomain-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: (25 commits)
  pmdomain: thead: Fix error pointer vs NULL bug in th1520_pd_reboot_init()
  pmdomain: thead: create auxiliary device for rebooting
  driver: reset: th1520-aon: add driver for poweroff/reboot via AON FW
  pmdomain: mediatek: airoha: convert from round_rate() to determine_rate()
  pmdomain: rockchip: enable ROCKCHIP_PM_DOMAINS with ARCH_ROCKCHIP
  pmdomain: marvell: Add PXA1908 power domains
  dt-bindings: clock: marvell,pxa1908: Add syscon compatible to apmu
  pmdomain: ti-sci: Set PD on/off state according to the HW state
  pmdomain: amlogic: Add support for S6 S7 S7D power domains controller
  dt-bindings: power: add Amlogic S6 S7 S7D power domains
  pmdomain: mediatek: Convert all SoCs to new style regmap retrieval
  pmdomain: mediatek: Add support for RTFF Hardware in MT8196/MT6991
  pmdomain: mediatek: Add support for modem power sequences
  pmdomain: mediatek: Move ctl sequences out of power_on/off functions
  pmdomain: mediatek: Handle SoCs with inverted SRAM power-down bits
  pmdomain: mediatek: Refactor bus protection regmaps retrieval
  dt-bindings: power: mediatek: Document access-controllers property
  pmdomain: remove unneeded 'fast_io' parameter in regmap_config
  pmdomain: imx93-blk-ctrl: mask DSI and PXP PD domain register on i.MX91
  pmdomain: imx93-blk-ctrl: use ARRAY_SIZE() instead of hardcode number
  ...
 2025-10-01 11:51:53 -07:00
Linus Torvalds
ea1c6c5925 spi: Updates for v6.18 
There's one big core change in this release, Jonas Gorski has addressed
 the issues with multiple chip selects which makes things more robust and
 stable.  Otherwise there's quite a bit of driver work, as well as some
 new drivers several existing drivers have had quite a bit of work done
 on them.
 
 Possibly the most interesting thing is the VirtIO driver, this is
 apparently useful for some automotive applications which want to keep as
 small and robust a host system as they can, moving less critical
 functionality into guests.
 
  - James Clark has done some substantial updates on the Freescale DSPI
    driver, porting in code from the BSP and building onm top of that to
    fix some bugs and increase performance.
  - Jonas Gorski has fixed the issues with handling multple chip selects,
    making things more robust and scalable.
  - Support for higher performance modes in the NXP FSPI driver from
    Haibo Chen.
  - Removal of the obsolete S3C2443 driver, the underlying SoC support
    has been removed from the kernel.
  - Support for Amlogic AL113L2, Atmel SAMA7D65 and SAM9x7 and for VirtIO
    controllers.
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Merge tag 'spi-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "There's one big core change in this release, Jonas Gorski has
  addressed the issues with multiple chip selects which makes things
  more robust and stable. Otherwise there's quite a bit of driver work,
  as well as some new drivers several existing drivers have had quite a
  bit of work done on them.

  Possibly the most interesting thing is the VirtIO driver, this is
  apparently useful for some automotive applications which want to keep
  as small and robust a host system as they can, moving less critical
  functionality into guests.

   - James Clark has done some substantial updates on the Freescale DSPI
     driver, porting in code from the BSP and building onm top of that
     to fix some bugs and increase performance

   - Jonas Gorski has fixed the issues with handling multple chip
     selects, making things more robust and scalable

   - Support for higher performance modes in the NXP FSPI driver from
     Haibo Chen

   - Removal of the obsolete S3C2443 driver, the underlying SoC support
     has been removed from the kernel

   - Support for Amlogic AL113L2, Atmel SAMA7D65 and SAM9x7 and for
     VirtIO controllers"

* tag 'spi-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (74 commits)
  spi: ljca: Remove Wentong's e-mail address
  spi: rename SPI_CS_CNT_MAX => SPI_DEVICE_CS_CNT_MAX
  spi: reduce device chip select limit again
  spi: don't check spi_controller::num_chipselect when parsing a dt device
  spi: drop check for validity of device chip selects
  spi: move unused device CS initialization to __spi_add_device()
  spi: keep track of number of chipselects in spi_device
  spi: fix return code when spi device has too many chipselects
  SPI: Add virtio SPI driver
  virtio-spi: Add virtio-spi.h
  virtio: Add ID for virtio SPI
  spi: rpc-if: Add resume support for RZ/G3E
  spi: rpc-if: Drop deprecated SIMPLE_DEV_PM_OPS
  spi: spi-qpic-snand: simplify clock handling by using devm_clk_get_enabled()
  spi: spi-nxp-fspi: Add OCT-DTR mode support
  spi: spi-nxp-fspi: add the support for sample data from DQS pad
  spi: spi-nxp-fspi: Add the DDR LUT command support
  spi: spi-nxp-fspi: set back to dll override mode when clock rate < 100MHz
  spi: spi-nxp-fspi: extract function nxp_fspi_dll_override()
  spi: atmel-quadspi: Add support for sama7d65 QSPI
  ...
 2025-10-01 11:46:31 -07:00
Linus Torvalds
ad6657804c regulator: Updates for v6.18 
This is a very quiet release for regulator, almost all the changes are
 new drivers but we do also have some improvements for the Rust bindings.
 
  - Additional APIs added to the Rust bindings.
  - Support for Maxim MAX77838, NXP PF0900 and PF5300, Richtek RT5133 and
    SpacemiT P1.
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Merge tag 'regulator-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "This is a very quiet release for regulator, almost all the changes are
  new drivers but we do also have some improvements for the Rust
  bindings.

   - Additional APIs added to the Rust bindings

   - Support for Maxim MAX77838, NXP PF0900 and PF5300, Richtek RT5133
     and SpacemiT P1"

* tag 'regulator-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (28 commits)
  regulator: dt-bindings: qcom,sdm845-refgen-regulator: document more platforms
  regulator: Fix MAX77838 selection
  regulator: spacemit: support SpacemiT P1 regulators
  regulator: max77838: add max77838 regulator driver
  dt-bindings: regulator: document max77838 pmic
  rust: regulator: add devm_enable and devm_enable_optional
  rust: regulator: remove Regulator<Dynamic>
  regulator: dt-bindings: rpi-panel: Split 7" Raspberry Pi 720x1280 v2 binding
  regulator: pf530x: Add a driver for the NXP PF5300 Regulator
  regulator: dt-bindings: nxp,pf530x: Add NXP PF5300/PF5301/PF5302 PMICs
  regulator: scmi: Use int type to store negative error codes
  regulator: core: Remove redundant ternary operators
  rust: regulator: use `to_result` for error handling
  regulator: consumer.rst: document bulk operations
  regulator: rt5133: Fix IS_ERR() vs NULL bug in rt5133_validate_vendor_info()
  regulator: bd718x7: Use kcalloc() instead of kzalloc()
  regulator: rt5133: Fix spelling mistake "regualtor" -> "regulator"
  regulator: remove unneeded 'fast_io' parameter in regmap_config
  regulator: rt5133: Add RT5133 PMIC regulator Support
  regulator: dt-bindings: Add Richtek RT5133 Support
  ...
 2025-10-01 11:43:54 -07:00
Linus Torvalds
c252b8cf12 regmap: Updates for v6.18 
This just contains a few small fixes, there's been no substantial
 development on regmap this release cycle.
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Merge tag 'regmap-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "This just contains a few small fixes, there's been no substantial
  development on regmap this release cycle"

* tag 'regmap-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: use int type to store negative error codes
  regmap: Remove superfluous check for !config in __regmap_init()
  regmap: mmio: Add missing MODULE_DESCRIPTION()
 2025-10-01 11:41:51 -07:00
Linus Torvalds
d5f7411411 gpio updates for v6.18-rc1 
GPIO core:
 - add support for sparse pin ranges to the glue between GPIO and pinctrl
 - use a common prefix across all GPIO descriptor flags for improved
   namespacing
 
 New drivers:
 - add new GPIO driver for the Nuvoton NCT6694
 - add new GPIO driver for MAX7360
 
 Driver improvements:
 - add support for Tegra 256 to the gpio-tegra186 driver
 - add support for Loongson-2K0300 to the gpio-loongson-64bit driver
 - refactor the gpio-aggregator module to expose its GPIO forwarder API
   to other in-kernel users (to enable merging of a new pinctrl driver
   that uses it)
 - convert all remaining drivers to using the modernized generic GPIO chip
   API and remove the old interface
 - stop displaying global GPIO numbers in debugfs output of controller
   drivers
 - extend the gpio-regmap helper with a new config option and improve its
   support for GPIO interrupts
 - remove redundant fast_io parameter from regmap configs in GPIO drivers
   that already use MMIO regmaps which imply it
 - add support for a new model in gpio-mmio: ixp4xx expansion bus
 - order includes alphabetically in a few drivers for better readability
 - use generic device properties where applicable
 - use devm_mutex_init() where applicable
 - extend build coverage of drivers by enabling more to be compiled with
   COMPILE_TEST enabled
 - allow building gpio-stmpe as a module
 - use dev_err_probe() where it makes sense in drivers
 
 Late driver fixes:
 - fix setting GPIO direction to output in gpio-mpfs
 
 Documentation:
 - document the usage of software nodes with GPIO chips
 
 Device-tree bindings:
 - Add DT bindings documents for new hardware: Tegra256, MAX7360
 - Document a new model in Loongson bindings: LS2K0300
 - Document a new model using the generic GPIO binding: IXP4xx
 - Convert the DT binding for fsl,mxs-pinctrl to YAML
 - fix the schema ID in the "trivial" GPIO schema
 - describe GPIO hogs in the generic GPIO binding
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Merge tag 'gpio-updates-for-v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "There are two new drivers and support for more models in existing
  ones.

  The generic GPIO API has been reworked and all users converted
  which allowed us to move the fields specific to the generic GPIO
  implementation out of the high-level struct gpio_chip into its own
  structure that wraps the gpio_chip.

  Other than that, there's nothing too exciting. Mostly minor tweaks and
  fixes all over the place, some refactoring and some small new features
  in helper modules.

  GPIO core:
   - add support for sparse pin ranges to the glue between GPIO and
     pinctrl
   - use a common prefix across all GPIO descriptor flags for improved
     namespacing

  New drivers:
   - add new GPIO driver for the Nuvoton NCT6694
   - add new GPIO driver for MAX7360

  Driver improvements:
   - add support for Tegra 256 to the gpio-tegra186 driver
   - add support for Loongson-2K0300 to the gpio-loongson-64bit driver
   - refactor the gpio-aggregator module to expose its GPIO forwarder
     API to other in-kernel users (to enable merging of a new pinctrl
     driver that uses it)
   - convert all remaining drivers to using the modernized generic GPIO
     chip API and remove the old interface
   - stop displaying global GPIO numbers in debugfs output of controller
     drivers
   - extend the gpio-regmap helper with a new config option and improve
     its support for GPIO interrupts
   - remove redundant fast_io parameter from regmap configs in GPIO
     drivers that already use MMIO regmaps which imply it
   - add support for a new model in gpio-mmio: ixp4xx expansion bus
   - order includes alphabetically in a few drivers for better
     readability
   - use generic device properties where applicable
   - use devm_mutex_init() where applicable
   - extend build coverage of drivers by enabling more to be compiled
     with COMPILE_TEST enabled
   - allow building gpio-stmpe as a module
   - use dev_err_probe() where it makes sense in drivers

  Late driver fixes:
   - fix setting GPIO direction to output in gpio-mpfs

  Documentation:
   - document the usage of software nodes with GPIO chips

  Device-tree bindings:
   - Add DT bindings documents for new hardware: Tegra256, MAX7360
   - Document a new model in Loongson bindings: LS2K0300
   - Document a new model using the generic GPIO binding: IXP4xx
   - Convert the DT binding for fsl,mxs-pinctrl to YAML
   - fix the schema ID in the "trivial" GPIO schema
   - describe GPIO hogs in the generic GPIO binding"

* tag 'gpio-updates-for-v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (122 commits)
  gpio: mpfs: fix setting gpio direction to output
  gpio: generic: move GPIO_GENERIC_ flags to the correct header
  gpio: generic: rename BGPIOF_ flags to GPIO_GENERIC_
  gpio: nomadik: fix the debugfs helper stub
  MAINTAINERS: Add entry on MAX7360 driver
  input: misc: Add support for MAX7360 rotary
  input: keyboard: Add support for MAX7360 keypad
  gpio: max7360: Add MAX7360 gpio support
  gpio: regmap: Allow to provide init_valid_mask callback
  gpio: regmap: Allow to allocate regmap-irq device
  pwm: max7360: Add MAX7360 PWM support
  pinctrl: Add MAX7360 pinctrl driver
  mfd: Add max7360 support
  dt-bindings: mfd: gpio: Add MAX7360
  rtc: Add Nuvoton NCT6694 RTC support
  hwmon: Add Nuvoton NCT6694 HWMON support
  watchdog: Add Nuvoton NCT6694 WDT support
  can: Add Nuvoton NCT6694 CANFD support
  i2c: Add Nuvoton NCT6694 I2C support
  gpio: Add Nuvoton NCT6694 GPIO support
  ...
 2025-10-01 11:34:12 -07:00
Linus Torvalds
c050daf69f pwm: Changes for v6.18-rc1 
The core highlights for this cycle are:
 
  - The pca9586 driver was converted to the waveform API.
  - Waveform drivers automatically provide a gpio chip to make PWMs
    usable as GPIOs. (The pca9586 driver did that in a driver specific
    implementation before.)
 
 Otherwise it's the usual mix of fixes and device tree and driver changes
 to support new hardware variants.
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Merge tag 'pwm/for-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux

Pull pwm updates from Uwe Kleine-König:
 "The core highlights for this cycle are:

   - The pca9586 driver was converted to the waveform API

   - Waveform drivers automatically provide a gpio chip to make PWMs
     usable as GPIOs (The pca9586 driver did that in a driver specific
     implementation before)

  Otherwise it's the usual mix of fixes and device tree and driver
  changes to support new hardware variants"

* tag 'pwm/for-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux: (30 commits)
  pwm: cros-ec: Avoid -Wflex-array-member-not-at-end warnings
  dt-bindings: pwm: samsung: add exynos8890 compatible
  dt-bindings: pwm: apple,s5l-fpwm: Add t6020-fpwm compatible
  dt-bindings: pwm: nxp,lpc1850-sct-pwm: Minor whitespace cleanup in example
  pwm: pca9586: Convert to waveform API
  pwm: pca9685: Drop GPIO support
  pwm: pca9685: Make use of register caching in regmap
  pwm: pca9685: Use bulk write to atomicially update registers
  pwm: pca9685: Don't disable hardware in .free()
  pwm: Add the S32G support in the Freescale FTM driver
  dt-bindings: pwm: fsl,vf610-ftm-pwm: Add compatible for s32g2 and s32g3
  pwm: mediatek: Lock and cache clock rate
  pwm: mediatek: Fix various issues in the .apply() callback
  pwm: mediatek: Implement .get_state() callback
  pwm: mediatek: Initialize clks when the hardware is enabled at probe time
  pwm: mediatek: Rework parameters for clk helper function
  pwm: mediatek: Introduce and use a few more register defines
  pwm: mediatek: Simplify representation of channel offsets
  pwm: tiecap: Document behaviour of hardware disable
  pwm: Provide a gpio device for waveform drivers
  ...
 2025-10-01 10:33:17 -07:00
Linus Torvalds
989253cc46 hwmon updates for v6.18-rc1 
* New drivers
 
   - Driver for Kontron SMARC-sAM67
 
   - Driver for GPD device sensors
 
   - Driver for MP29502
 
   - Driver for MP2869, MP29608, MP29612 and MP29816 series
 
 * Added chip support to existing drivers
 
   - asus-ec-sensors:
 	Add B650E-I
 	Add PRIME Z270-A
 	Add Pro WS WRX90E-SAGE SE
 	Add ROG STRIX X670E-E GAMING WIFI
 	Add ROG STRIX X870-I GAMING WIFI
 	Add ROG STRIX X870E-E GAMING WIFI
 	Add ROG STRIX Z690-E GAMING WIFI
 	Add ROG STRIX Z790E GAMING WIFI II
 	Add STRIX B850-I GAMING WIFI
 	Add TUF GAMING X670E PLUS WIFI
 	Add X670E-I GAMING WIFI
 	Add Z790-I GAMING WIFI
 
   - dell-smm: Add support for Dell OptiPlex 7040
 
   - ina238: Major cleanup, and
   	Add support for INA700
 	Add support for INA780
 
   - k10temp:
   	Add device ID for Strix Halo
 	Add support for AMD Family 1Ah-based models
 
   - lenovo-ec-sensors: Update P8 supprt
 
   - lm75: Add NXP P3T1750 support
 
   - pmbus/adm1275: Add sq24905c support
 
   - pmbus/isl68137: Add support for Renesas RAA228244 and RAA228246
 
   - pmbus/mp5990: Add support for MP5998
 
   - sht21: Add support for SHT20, SHT25
 
   - sl28cpld: Add sa67mcu compatible
 
 * Other notable changes
 
   - core:
 	Handle locking internally
 	Introduce 64-bit energy attribute support
 
   - cros_ec: Register into thermal framework, improve PWM control
 
   - lm75: allow interrupt for ti,tmp75
 
   - mlxreg-fan: Add support for new flavour of capability register
 
   - sbtsi_temp: AMD CPU extended temperature range support
 
   - sht21: Add devicetree support
 
 * Various other minor improvements and fixes
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Merge tag 'hwmon-for-v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New drivers:

   - Kontron SMARC-sAM67

   - GPD device sensors

   - MP29502

   - MP2869, MP29608, MP29612 and MP29816 series

  Added chip support to existing drivers:

   - asus-ec-sensors:
	Add B650E-I
	Add PRIME Z270-A
	Add Pro WS WRX90E-SAGE SE
	Add ROG STRIX X670E-E GAMING WIFI
	Add ROG STRIX X870-I GAMING WIFI
	Add ROG STRIX X870E-E GAMING WIFI
	Add ROG STRIX Z690-E GAMING WIFI
	Add ROG STRIX Z790E GAMING WIFI II
	Add STRIX B850-I GAMING WIFI
	Add TUF GAMING X670E PLUS WIFI
	Add X670E-I GAMING WIFI
	Add Z790-I GAMING WIFI

   - dell-smm: Add support for Dell OptiPlex 7040

   - ina238: Major cleanup, and
  	Add support for INA700
	Add support for INA780

   - k10temp:
  	Add device ID for Strix Halo
	Add support for AMD Family 1Ah-based models

   - lenovo-ec-sensors: Update P8 supprt

   - lm75: Add NXP P3T1750 support

   - pmbus/adm1275: Add sq24905c support

   - pmbus/isl68137: Add support for Renesas RAA228244 and RAA228246

   - pmbus/mp5990: Add support for MP5998

   - sht21: Add support for SHT20, SHT25

   - sl28cpld: Add sa67mcu compatible

  Other notable changes:

   - core:
	Handle locking internally
	Introduce 64-bit energy attribute support

   - cros_ec: Register into thermal framework, improve PWM control

   - lm75: allow interrupt for ti,tmp75

   - mlxreg-fan: Add support for new flavour of capability register

   - sbtsi_temp: AMD CPU extended temperature range support

   - sht21: Add devicetree support

  Various other minor improvements and fixes"

* tag 'hwmon-for-v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (86 commits)
  dt-bindings: hwmon: (lm75) allow interrupt for ti,tmp75
  hwmon: (mlxreg-fan) Add support for new flavour of capability register
  hwmon: (mlxreg-fan) Separate methods of fan setting coming from different subsystems
  hwmon: (cros_ec) register fans into thermal framework cooling devices
  hwmon: (cros_ec) add PWM control over fans
  platform/chrome: update pwm fan control host commands
  hwmon: add SMARC-sAM67 support
  dt-bindings: hwmon: sl28cpld: add sa67mcu compatible
  hwmon: (asus-ec-sensors) add TUF GAMING X670E PLUS WIFI
  hwmon: (dell-smm) Add support for Dell OptiPlex 7040
  hwmon: (dell-smm) Add support for automatic fan mode
  hwmon: (gpd-fan) complete Kconfig dependencies
  hwmon: (asus-ec-sensors) increase timeout for locking ACPI mutex
  hwmon: (asus-ec-sensors) add ROG STRIX X870E-E GAMING WIFI
  hwmon: (dell-smm) Move clamping of fan speed out of i8k_set_fan()
  hwmon: (dell-smm) Remove Dell Precision 490 custom config data
  hwmon: (asus-ec-sensors) add ROG STRIX X670E-E GAMING WIFI
  hwmon: (gpd-fan) Fix range check for pwm input
  hwmon: (pmbus/mp5990) add support for MP5998
  dt-bindings: trivial-devices: add mps,mp5998
  ...
 2025-10-01 09:42:51 -07:00
Linus Torvalds
57cf7a603b chrome-platform: Updates for v6.18 
* New
 
   - Add a new API cros_ec_device_registered() for checking if the
     cros_ec_deivce is ready.
 
 * Improvements
 
   - Use TRAILING_OVERLAP() to fix -Wflex-array-member-not-at-end
     warning.
   - Defer probe until parent EC device is ready in cros_ec_keyb.
 
 * Cleanups
 
   - Remove redundant and simplify code in cros_ec_chardev.
   - Centralize cros_ec_device allocation and initialization to remove
     duplicate code.
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Merge tag 'chrome-platform-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Tzung-Bi Shih:
 "New:
   - Add a new API cros_ec_device_registered() for checking if the
     cros_ec_deivce is ready

  Improvements:
   - Use TRAILING_OVERLAP() to fix -Wflex-array-member-not-at-end
     warning
   - Defer probe until parent EC device is ready in cros_ec_keyb

  Cleanups:
   - Remove redundant and simplify code in cros_ec_chardev
   - Centralize cros_ec_device allocation and initialization to remove
     duplicate code"

* tag 'chrome-platform-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  Input: cros_ec_keyb - Defer probe until parent EC device is registered
  platform/chrome: cros_ec: Add a flag to track registration state
  platform/chrome: cros_ec: Separate initialization from cros_ec_register()
  platform/chrome: Centralize common cros_ec_device initialization
  platform/chrome: Centralize cros_ec_device allocation
  platform/chrome: wilco_ec: Remove redundant semicolons
  platform/chrome: cros_ec: Avoid -Wflex-array-member-not-at-end warning
  platform/chrome: cros_ec_chardev: Decouple fops from struct cros_ec_dev
  platform/chrome: cros_ec_chardev: Remove redundant struct field
 2025-10-01 09:16:28 -07:00
Linus Torvalds
eb3289fc47 Driver core changes for 6.18-rc1 
- Auxiliary:
    - Drop call to dev_pm_domain_detach() in auxiliary_bus_probe()
    - Optimize logic of auxiliary_match_id()
 
 - Rust:
   - Auxiliary:
     - Use primitive C types from prelude
 
   - DebugFs:
     - Add debugfs support for simple read/write files and custom callbacks
       through a File-type-based and directory-scope-based API
     - Sample driver code for the File-type-based API
     - Sample module code for the directory-scope-based API
 
   - I/O:
     - Add io::poll module and implement Rust specific read_poll_timeout()
       helper
 
   - IRQ:
     - Implement support for threaded and non-threaded device IRQs based on
       (&Device<Bound>, IRQ number) tuples (IrqRequest)
     - Provide &Device<Bound> cookie in IRQ handlers
 
   - PCI:
     - Support IRQ requests from IRQ vectors for a specific pci::Device<Bound>
     - Implement accessors for subsystem IDs, revision, devid and resource start
     - Provide dedicated pci::Vendor and pci::Class types for vendor and class
       ID numbers
     - Implement Display to print actual vendor and class names; Debug to print
       the raw ID numbers
     - Add pci::DeviceId::from_class_and_vendor() helper
     - Use primitive C types from prelude
     - Various minor inline and (safety) comment improvements
 
   - Platform:
     - Support IRQ requests from IRQ vectors for a specific
       platform::Device<Bound>
 
   - Nova:
     - Use pci::DeviceId::from_class_and_vendor() to avoid probing
       non-display/compute PCI functions
 
   - Misc:
     - Add helper for cpu_relax()
     - Update ARef import from sync::aref
 
 - sysfs:
   - Remove bin_attrs_new field from struct attribute_group
   - Remove read_new() and write_new() from struct bin_attribute
 
 - Misc:
   - Document potential race condition in get_dev_from_fwnode()
   - Constify node_group argument in software node registration functions
   - Fix order of kernel-doc parameters in various functions
   - Set power.no_pm flag for faux devices
   - Set power.no_callbacks flag along with the power.no_pm flag
   - Constify the pmu_bus bus type
   - Minor spelling fixes
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Merge tag 'driver-core-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core

Pull driver core updates from Danilo Krummrich:
 "Auxiliary:
   - Drop call to dev_pm_domain_detach() in auxiliary_bus_probe()
   - Optimize logic of auxiliary_match_id()

  Rust:
   - Auxiliary:
      - Use primitive C types from prelude

   - DebugFs:
      - Add debugfs support for simple read/write files and custom
        callbacks through a File-type-based and directory-scope-based
        API
      - Sample driver code for the File-type-based API
      - Sample module code for the directory-scope-based API

   - I/O:
      - Add io::poll module and implement Rust specific
        read_poll_timeout() helper

   - IRQ:
      - Implement support for threaded and non-threaded device IRQs
        based on (&Device<Bound>, IRQ number) tuples (IrqRequest)
      - Provide &Device<Bound> cookie in IRQ handlers

   - PCI:
      - Support IRQ requests from IRQ vectors for a specific
        pci::Device<Bound>
      - Implement accessors for subsystem IDs, revision, devid and
        resource start
      - Provide dedicated pci::Vendor and pci::Class types for vendor
        and class ID numbers
      - Implement Display to print actual vendor and class names; Debug
        to print the raw ID numbers
      - Add pci::DeviceId::from_class_and_vendor() helper
      - Use primitive C types from prelude
      - Various minor inline and (safety) comment improvements

   - Platform:
      - Support IRQ requests from IRQ vectors for a specific
        platform::Device<Bound>

   - Nova:
      - Use pci::DeviceId::from_class_and_vendor() to avoid probing
        non-display/compute PCI functions

   - Misc:
      - Add helper for cpu_relax()
      - Update ARef import from sync::aref

  sysfs:
   - Remove bin_attrs_new field from struct attribute_group
   - Remove read_new() and write_new() from struct bin_attribute

  Misc:
   - Document potential race condition in get_dev_from_fwnode()
   - Constify node_group argument in software node registration
     functions
   - Fix order of kernel-doc parameters in various functions
   - Set power.no_pm flag for faux devices
   - Set power.no_callbacks flag along with the power.no_pm flag
   - Constify the pmu_bus bus type
   - Minor spelling fixes"

* tag 'driver-core-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core: (43 commits)
  rust: pci: display symbolic PCI vendor names
  rust: pci: display symbolic PCI class names
  rust: pci: fix incorrect platform reference in PCI driver probe doc comment
  rust: pci: fix incorrect platform reference in PCI driver unbind doc comment
  perf: make pmu_bus const
  samples: rust: Add scoped debugfs sample driver
  rust: debugfs: Add support for scoped directories
  samples: rust: Add debugfs sample driver
  rust: debugfs: Add support for callback-based files
  rust: debugfs: Add support for writable files
  rust: debugfs: Add support for read-only files
  rust: debugfs: Add initial support for directories
  driver core: auxiliary bus: Optimize logic of auxiliary_match_id()
  driver core: auxiliary bus: Drop dev_pm_domain_detach() call
  driver core: Fix order of the kernel-doc parameters
  driver core: get_dev_from_fwnode(): document potential race
  drivers: base: fix "publically"->"publicly"
  driver core/PM: Set power.no_callbacks along with power.no_pm
  driver core: faux: Set power.no_pm for faux devices
  rust: pci: inline several tiny functions
  ...
 2025-10-01 08:39:23 -07:00
Ioana Ciornei
b9d6cfe2ae mfd: simple-mfd-i2c: Add compatible string for LX2160ARDB 
Extend the list of supported devices with the QIXIS FPGA found on the
LX2160ARDB board.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:46:00 +01:00
Ioana Ciornei
3ed50d7792 mfd: simple-mfd-i2c: Keep compatible strings in alphabetical order 
Reorder the of_device_id structures so that they are in alphabetical
order.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:45:58 +01:00
Jihed Chaibi
02dde2c4c3 dt-bindings: mfd: twl: Add missing sub-nodes for TWL4030 & TWL603x 
Update the main TI TWL-family binding to be self-contained and to fix
pre-existing validation errors.

To ensure future patches are bisectable, child nodes whose bindings
are in other patches (audio, keypad, usb, etc.) are now defined using
a flexible 'additionalProperties: true' pattern. This removes hard
dependencies between the MFD and subsystem bindings.

The complete dtbs_check for this binding is clean except for two
warnings originating from pre-existing bugs in the OMAP DTS files,
for which fixes have already been submitted separately [1][2].

Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Uwe Kleine-König <ukleinek@kernel.org>
Signed-off-by: Jihed Chaibi <jihed.chaibi.dev@gmail.com>
Reviewed-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:45:55 +01:00
Michael Walle
354f31e9d2 dt-bindings: watchdog: Add SMARC-sAM67 support 
The SMARC-sAM67 board has an on-board uC which has the same register
interface as the older CPLD implementation on the SMARC-sAL28 board.
Although the MCU emulates the same behavior, be prepared for any quirks
and add a board specific compatible.

Signed-off-by: Michael Walle <mwalle@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:29:03 +01:00
Michael Walle
59863239e0 dt-bindings: mfd: tps6594: Allow gpio-line-names 
Setting the signal names in the device tree was already possible, but
it will lead to a warning. Allow the gpio-line-names property to fix
that.

Signed-off-by: Michael Walle <mwalle@kernel.org>
Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:29:02 +01:00
Ilpo Järvinen
c91a0e4e54 mfd: intel-lpss: Add Intel Wildcat Lake LPSS PCI IDs 
Add Intel Wildcat Lake PCI IDs.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20250915112936.10696-1-ilpo.jarvinen@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:29:01 +01:00
Duje Mihanović
73ba00d86a mfd: 88pm886: Add GPADC cell 
Add a cell for the PMIC's onboard General Purpose ADC.

Acked-by: Karel Balej <balejk@matfyz.cz> # for the PMIC
Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
Link: https://lore.kernel.org/r/20250911-88pm886-gpadc-v4-3-60452710d3a0@dujemihanovic.xyz
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:29:00 +01:00
Bartosz Golaszewski
800d2c631c mfd: vexpress-sysreg: Use more common syntax for compound literals 
The (typeof(foo)) construct is unusual in the kernel, use a more typical
syntax by explicitly spelling out the type.

Link: https://lore.kernel.org/all/20250909-gpio-mmio-gpio-conv-part4-v1-13-9f723dc3524a@linaro.org/
Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20250910-make-compound-literals-normal-again-v1-1-076ee7738a0b@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:28:59 +01:00
Cosmin Tanislav
da32b0e82c mfd: rz-mtu3: Fix MTU5 NFCR register offset 
The NFCR register for MTU5 is at 0x1a95 offset according to Datasheet
Page 725, Table 16.4. The address of all registers is offset by 0x1200,
making the proper address of MTU5 NFCR register be 0x895.

Cc: stable@vger.kernel.org
Fixes: 654c293e16 ("mfd: Add Renesas RZ/G2L MTU3a core driver")
Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20250910175914.12956-1-cosmin-gabriel.tanislav.xa@renesas.com
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:28:58 +01:00
Dzmitry Sankouski
605c9820e4 mfd: max77705: Setup the core driver as an interrupt controller 
Current implementation describes only MFD's own topsys interrupts.
However, max77705 has a register which indicates interrupt source, i.e.
it acts as an interrupt controller. There's 4 interrupt sources in
max77705: topsys, charger, fuelgauge, usb type-c manager.

Setup max77705 MFD parent as an interrupt controller. Delete topsys
interrupts because currently unused.

Remove shared interrupt flag, because we're are an interrupt controller
now, and subdevices should request interrupts from us.

Fixes: c8d50f0297 ("mfd: Add new driver for MAX77705 PMIC")

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Link: https://lore.kernel.org/r/20250909-max77705-fix_interrupt_handling-v3-1-233c5a1a20b5@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:28:57 +01:00
Charles Keepax
afe0f94992 mfd: cs42l43: Remove IRQ masking in suspend 
Now the individual child drivers mask their own IRQs there is no need
for the MFD code to do so anymore.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20250903094549.271068-7-ckeepax@opensource.cirrus.com
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:28:56 +01:00
Charles Keepax
62aec8a0a5 mfd: cs42l43: Move IRQ enable/disable to encompass force suspend 
As pm_runtime_force_suspend() will force the device state to suspend,
the driver needs to ensure no IRQ handlers are currently running. If not
those handlers may find they are now running on suspended hardware
despite holding a PM runtime reference. disable_irq() will sync any
currently running handlers, so move the IRQ disabling to cover the whole
of the forced suspend state to avoid such race conditions.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20250903094549.271068-6-ckeepax@opensource.cirrus.com
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:28:55 +01:00
Binbin Zhou
d952bba3fb mfd: ls2kbmc: Add Loongson-2K BMC reset function support 
Since the display is a sub-function of the Loongson-2K BMC, when the
BMC reset, the entire BMC PCIe is disconnected, including the display
which is interrupted.

Quick overview of the entire LS2K BMC reset process:

There are two types of reset methods: soft reset (BMC-initiated reboot
of IPMI reset command) and BMC watchdog reset (watchdog timeout).

First, regardless of the method, an interrupt is generated (PCIe interrupt
for soft reset/GPIO interrupt for watchdog reset);

Second, during the interrupt process, the system enters bmc_reset_work,
clears the bus/IO/mem resources of the LS7A PCI-E bridge, waits for the BMC
reset to begin, then restores the parent device's PCI configuration space,
waits for the BMC reset to complete, and finally restores the BMC PCI
configuration space.

Display restoration occurs last.

Co-developed-by: Chong Qiao <qiaochong@loongson.cn>
Signed-off-by: Chong Qiao <qiaochong@loongson.cn>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Acked-by: Corey Minyard <corey@minyard.net>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Link: https://lore.kernel.org/r/de4e04b42ff9ee282f86f9bb9efbf959a9848205.1756987761.git.zhoubinbin@loongson.cn
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:28:52 +01:00
Binbin Zhou
0d64f6d1ff mfd: ls2kbmc: Introduce Loongson-2K BMC core driver 
The Loongson-2K Board Management Controller provides an PCIe interface
to the host to access the feature implemented in the BMC.

The BMC is assembled on a server similar to the server machine with
Loongson-3 CPU. It supports multiple sub-devices like DRM and IPMI.

Co-developed-by: Chong Qiao <qiaochong@loongson.cn>
Signed-off-by: Chong Qiao <qiaochong@loongson.cn>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Acked-by: Corey Minyard <corey@minyard.net>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Link: https://lore.kernel.org/r/0dc1fd53020ce2562453961ffed2cd9eb8f359e1.1756987761.git.zhoubinbin@loongson.cn
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:28:49 +01:00
Matti Vaittinen
719d02a25a mfd: bd71828, bd71815: Prepare for power-supply support 
Add core support for ROHM BD718(15/28/78) PMIC's charger blocks.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Link: https://lore.kernel.org/r/20250821-bd71828-charger-v3-1-cc74ac4e0fb9@kemnade.info
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:28:47 +01:00
Ryan Chen
b445c14ac7 dt-bindings: mfd: aspeed: Add AST2700 SCU compatibles 
Add SCU interrupt controller compatible strings for the AST2700 SoC:
scu-ic0 to 3. This extends the MFD binding to support AST2700-based
platforms.

Signed-off-by: Ryan Chen <ryan_chen@aspeedtech.com>
Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250831021438.976893-3-ryan_chen@aspeedtech.com
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:28:46 +01:00
Rob Herring (Arm)
99e2f00cf4 dt-bindings: mfd: Convert aspeed,ast2400-p2a-ctrl to DT schema 
Convert the aspeed,ast2x00-p2a-ctrl binding to DT schema format. The schema
is simple enough to just add it to the parent aspeed,ast2x00-scu binding.

Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org>
Acked-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Link: https://lore.kernel.org/r/20250829230450.1496151-1-robh@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:28:45 +01:00
Alexander Kurz
5872dcccc5 dt-bindings: mfd: fsl,mc13xxx: Add buttons node 
Add a buttons node and properties describing the "ONOFD" (MC13783) and
"PWRON" (MC13892/MC34708) buttons available in the fsl,mc13xxx PMIC ICs.

Signed-off-by: Alexander Kurz <akurz@blala.de>
Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250829201517.15374-7-akurz@blala.de
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:28:43 +01:00
Alexander Kurz
1160f9f88b dt-bindings: mfd: fsl,mc13xxx: Convert txt to DT schema 
Convert the txt mc13xxx bindings to DT schema attempting to keep most
information. The nodes codec and touchscreen are not part of the new
schema since it was only briefly mentioned before.
Following the convention, rename led-control to fsl,led-control.

Signed-off-by: Alexander Kurz <akurz@blala.de>
Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250829201517.15374-6-akurz@blala.de
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:28:39 +01:00
Janne Grunau
9b959e525f mfd: macsmc: Add "apple,t8103-smc" compatible 
After discussion with the devicetree maintainers we agreed to not extend
lists with the generic compatible "apple,smc" anymore [1]. Use
"apple,t8103-smc" as base compatible as it is the SoC the driver and
bindings were written for.

[1]: https://lore.kernel.org/asahi/12ab93b7-1fc2-4ce0-926e-c8141cfe81bf@kernel.org/

Signed-off-by: Janne Grunau <j@jannau.net>
Link: https://lore.kernel.org/r/20250828-dt-apple-t6020-v1-18-507ba4c4b98e@jannau.net
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:28:38 +01:00
Bastien Curutchet
5f4bbee069 mfd: core: Increment of_node's refcount before linking it to the platform device 
When an MFD device is added, a platform_device is allocated. If this
device is linked to a DT description, the corresponding OF node is linked
to the new platform device but the OF node's refcount isn't incremented.
As of_node_put() is called during the platform device release, it leads
to a refcount underflow.

Call of_node_get() to increment the OF node's refcount when the node is
linked to the newly created platform device.

Signed-off-by: Bastien Curutchet <bastien.curutchet@bootlin.com>
Link: https://lore.kernel.org/r/20250820-mfd-refcount-v1-1-6dcb5eb41756@bootlin.com
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:28:37 +01:00
Conor Dooley
8a498184e2 dt-bindings: mfd: syscon: Document the control-scb syscon on PolarFire SoC 
The "control-scb" region, contains the "tvs" temperature and voltage
sensors and the control/status registers for the system controller's
mailbox. The mailbox has a dedicated node, so there's no need for a
child node describing it, looking the syscon up by compatible is
sufficient.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250901-shorten-yahoo-223aeaecd290@spud
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-10-01 10:28:36 +01:00