- add support for the new PMU variant inside the WCN6855 chipset
- add documentation for the subsystem
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Merge tag 'pwrseq-updates-for-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull power sequencing updates from Bartosz Golaszewski:
"There's one change adding support for a new PMU model and another
adding documentation for the subsystem which probably should have been
part of the initial commit but better late than never:
- add support for the new PMU variant inside the WCN6855 chipset
- add documentation for the subsystem"
* tag 'pwrseq-updates-for-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
Documentation: add a driver API doc for the power sequencing subsystem
power: sequencing: qcom-wcn: add support for the WCN6855 PMU
* power-supply core
- introduce power_supply_show_enum_with_available() helper
- change usb_types from an array into a bitmask
- fix early usage of power_supply_property_is_writeable() resulting
in sysfs files not being writable
- fix missing temp1_max_alarm attribute in power-supply's hwmon devices
* drivers
- max1720x: expose nvmem device
- brcmstb: cleanup driver to use latest APIs
- max77693: expose input and charging current limit
- max17042_battery: fix state of charge reading for devices without
current sensing
- axp20x_battery: add AXP717 support
- axp20x_battery: fix min/max voltage properties
- axp20x_usb_power: add AXP717 support
- axp20x_usb_power: add DT based input current limit
* Documentation updates
* misc. minor cleanups and fixes
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Merge tag 'for-v6.12' 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 power_supply_show_enum_with_available() helper
- change usb_types from an array into a bitmask
- fix early usage of power_supply_property_is_writeable() resulting
in sysfs files not being writable
- fix missing temp1_max_alarm attribute in power-supply's hwmon
devices
Drivers:
- max1720x: expose nvmem device
- brcmstb: cleanup driver to use latest APIs
- max77693: expose input and charging current limit
- max17042_battery: fix state of charge reading for devices without
current sensing
- axp20x_battery: add AXP717 support
- axp20x_battery: fix min/max voltage properties
- axp20x_usb_power: add AXP717 support
- axp20x_usb_power: add DT based input current limit
Documentation updates
Misc minor cleanups and fixes"
* tag 'for-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (38 commits)
power: supply: hwmon: Fix missing temp1_max_alarm attribute
power: supply: Drop use_cnt check from power_supply_property_is_writeable()
power: supply: ab8500: Constify struct kobj_type
power: supply: max1720x: fix a double free on error in probe()
power: supply: axp20x_battery: add support for AXP717
power: supply: axp20x_usb_power: Add support for AXP717
dt-bindings: power: supply: axp20x: Add AXP717 compatible
dt-bindings: power: supply: axp20x: Add AXP717 compatible
power: supply: axp20x_usb_power: Fix spelling mistake "reqested" -> "requested"
power: supply: Change usb_types from an array into a bitmask
power: supply: sysfs: Move power_supply_show_enum_with_available() up
power: supply: sysfs: Add power_supply_show_enum_with_available() helper
power: supply: rt9467-charger: Remove "usb_type" property write support
power: supply: ucs1002: Adjust ucs1002_set_usb_type() to accept string values
power: supply: "usb_type" property may be written to
power: supply: max1720x: add read support for nvmem
mfd: axp20x: Add ADC, BAT, and USB cells for AXP717
power: supply: core: constify psy_tzd_ops
power: reset: brcmstb: Do not go into infinite loop if reset fails
power: reset: brcmstb: Use devm_register_sys_off_handler()
...
Temp channel 0 aka temp1 can have a temp1_max_alarm attribute for
power_supply devices which have a POWER_SUPPLY_PROP_TEMP_ALERT_MAX
property.
HWMON_T_MAX_ALARM was missing from power_supply_hwmon_info for
temp channel 0, causing the hwmon temp1_max_alarm attribute to be
missing from such power_supply devices.
Add this to power_supply_hwmon_info to fix this.
Fixes: f1d33ae806 ("power: supply: remove duplicated argument in power_supply_hwmon_info")
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240908185337.103696-2-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
power_supply_property_is_writeable() gets called from the is_visible()
callback for the sysfs attributes of power_supply class devices and for
the sysfs attributes of power_supply core instantiated hwmon class devices.
These sysfs attributes get registered by the device_add() respectively
power_supply_add_hwmon_sysfs() calls in power_supply_register().
use_cnt gets initialized to 0 and is incremented only after these calls.
So when power_supply_property_is_writeable() gets called it always return
-ENODEV because of use_cnt == 0.
This causes all the attributes to have permissions of 444 even those which
should be writable. This used to be a problem only for hwmon sysfs
attributes but since commit be6299c6e5 ("power: supply: sysfs: use
power_supply_property_is_writeable()") this now also impacts power_supply
class sysfs attributes.
Fixes: be6299c6e5 ("power: supply: sysfs: use power_supply_property_is_writeable()")
Fixes: e67d4dfc9f ("power: supply: Add HWMON compatibility layer")
Cc: stable@vger.kernel.org
Cc: Thomas Weißschuh <linux@weissschuh.net>
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/stable/20240908185337.103696-1-hdegoede%40redhat.com
Link: https://lore.kernel.org/r/20240908185337.103696-1-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This 'struct kobj_type' is not modified. It is only used in
kobject_init_and_add() which takes a 'const struct kobj_type *ktype'
parameter.
Constifying this structure and moving it to a read-only section,
and can increase over all security.
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Link: https://lore.kernel.org/r/20240904011434.2010118-1-lihongbo22@huawei.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
In this code, if devm_add_action_or_reset() fails, it will call
max1720x_unregister_ancillary() which in turn calls
i2c_unregister_device(). Thus the call to i2c_unregister_device() on the
following line is not required and is a double unregister. Delete it.
Fixes: 47271a9356 ("power: supply: max1720x: add read support for nvmem")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/9c2f76e7-5679-473b-9b9c-e11b492b96ac@stanley.mountain
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Add support for the AXP717 PMIC battery charger. The AXP717 differs
greatly from existing AXP battery chargers in that it cannot measure
the discharge current. The datasheet does not document the current
value's offset or scale, so the POWER_SUPPLY_PROP_CURRENT_NOW is left
unscaled.
Tested-by: Philippe Simons <simons.philippe@gmail.com>
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Link: https://lore.kernel.org/r/20240821215456.962564-15-macroalpha82@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Add support for the AXP717 PMIC. The AXP717 PMIC allows for detection
of USB type like the AXP813, but has little in common otherwise with
the other AXP PMICs. The USB charger is able to provide between
100000uA and 3250000uA of power, and can measure the VBUS input in mV
with up to 14 bits of precision.
Tested-by: Philippe Simons <simons.philippe@gmail.com>
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240821215456.962564-14-macroalpha82@gmail.com
[fix axp717_usb_power_desc.usb_types]
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
There is a spelling mistake in a dev_warn message. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Link: https://lore.kernel.org/r/20240828093447.271503-1-colin.i.king@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Changing usb_types type from array to bitmap in the power_supply_desc
struct requires updating power-supply drivers living in different
subsystem, so it is handled via an immutable branch.
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Merge tag 'ib-psy-usb-types-signed' into psy-next
Changing usb_types type from array to bitmap in the power_supply_desc
struct requires updating power-supply drivers living in different
subsystem, so it is handled via an immutable branch.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The bit_types array just hold a list of valid enum power_supply_usb_type
values which map to 0 - 9. This can easily be represented as a bitmap.
This reduces the size of struct power_supply_desc and further reduces
the data section size by drivers no longer needing to store the array.
This also unifies how usb_types are handled with charge_behaviours,
which allows power_supply_show_usb_type() to be removed.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240831142039.28830-7-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Move power_supply_show_enum_with_available() higher up in
the power_supply_sysfs.c file.
This is a preparation patch to avoid needing a forward declaration
when replacing power_supply_show_usb_type() with it later on.
This commit only moves the function, there are no changes to it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240831142039.28830-6-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Turn power_supply_charge_behaviour_show() into a generic function for
showing enum values with their available (for writing) values shown
and the current value shown surrounded by sqaure-brackets like
the show() output for "usb_type" and "charge_behaviour".
This is a preparation patch for refactoring the "usb_type" property
handling to use a bitmask indicating available usb-types + this new
generic function.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240831142039.28830-5-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The "usb_type" property must be read-only for charger power-supply devices,
see: Documentation/ABI/testing/sysfs-class-power.
But the rt9467 driver allows writing 0/1 to it to disable/enable charging.
Other charger drivers use the "status" property for this and the rt9467
code also allows writing 0/1 to its "status" property and this does
the exact same thing as writing 0/1 to its "usb_type" property.
Drop write support for the "usb_type" property making it readonly to match
the ABI documentation. If userspace wants to disable/enable charging it
can use the "status" property for this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240831142039.28830-4-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
power_supply_sysfs.c accept wrrites of strings to "usb_type" for strings
values matching an entry in POWER_SUPPLY_USB_TYPE_TEXT[]. If such a
string value is written then the int value passed to ucs1002_set_property()
will be an enum power_supply_usb_type value.
Before this change ucs1002_set_usb_type() expected the value to be an index
into ucs1002_usb_types[]. Adjust ucs1002_set_usb_type() to use the enum
value directly so that writing string values works.
The list of supported types in ucs1002_usb_types[] is: PD, SDP, DCP, CDP.
The [POWER_SUPPLY_USB_TYPE_]SDP, DCP and CDP enum labels have a value of
1, 2 and 3. So userspace selecting SDP, DCP or CDP by writing 1, 2 or 3
will keep working. POWER_SUPPLY_USB_TYPE_PD which is mapped to the ucs1002
dedicated mode however has a value of 6. Before this change writing 0 would
select the dedicated mode. To preserve userspace API compatibility also map
POWER_SUPPLY_USB_TYPE_UNKNOWN (which is 0) to the dedicated mode.
Cc: Enric Balletbo Serra <enric.balletbo@collabora.com>
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240831142039.28830-3-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
According to Documentation/ABI/testing/sysfs-class-power the "usb_type"
property is Read-Only.
For power-supplies which consume USB power such as battery charger chips,
this is correct.
But the UCS1002 USB Port Power Controller driver which is a driver
for a chip which is a power-source for USB-A charging ports "usb_type"
is actually writable to configure the type of USB charger emulated
by the USB-A port.
Adjust the docs and the power_supply_sysfs.c code to adjust for this
new writeable use of "usb_type":
1. Update Documentation/ABI/testing/sysfs-class-power to document that
"usb_type" may be writable
2. Change the power_supply_attr type in power_supply_sysfs.c from
POWER_SUPPLY_ATTR() into POWER_SUPPLY_ENUM_ATTR() so that the various
usb_type string values from POWER_SUPPLY_TYPE_TEXT[] such as e.g.
"SDP" and "USB_PD" can be written to the "usb_type" attribute instead
of only accepting integer values.
Cc: Enric Balletbo Serra <enric.balletbo@collabora.com>
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240831142039.28830-2-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
ModelGauge m5 and device configuration values are stored in nonvolatile
memory to prevent data loss if the IC loses power. Add read support for
the nonvolatile memory on MAX1720X devices.
Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com>
Link: https://lore.kernel.org/r/20240903063526.222890-1-dima.fedrau@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
- set the direction of the wlan-enable GPIO to output after requesting
it as-is
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Merge tag 'pwrseq-fixes-for-v6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull power sequencing fix from Bartosz Golaszewski:
"A follow-up fix for the power sequencing subsystem. It turned out the
previous fix for this driver was incomplete and broke the WLAN support
on some platforms. This addresses the issue.
- set the direction of the wlan-enable GPIO to output after
requesting it as-is"
* tag 'pwrseq-fixes-for-v6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
power: sequencing: qcom-wcn: set the wlan-enable GPIO to output
Commit a9aaf1ff88 ("power: sequencing: request the WLAN enable GPIO
as-is") broke WLAN on boards on which the wlan-enable GPIO enabling the
wifi module isn't in output mode by default. We need to set direction to
output while retaining the value that was already set to keep the ath
module on if it's already started.
Fixes: a9aaf1ff88 ("power: sequencing: request the WLAN enable GPIO as-is")
Link: https://lore.kernel.org/r/20240823115500.37280-1-brgl@bgdev.pl
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
There is a fairly large number of bug fixes for Qualcomm platforms,
most of them addressing issues with the devicetree files for the
newly added Snapdragon X1 based laptops to make them more reliable.
The Qualcomm driver changes address a few build-time issues as well
as runtime problems in the tzmem and scm firmware, the USB Type-C
driver, and the cmd-db and pmic_glink soc drivers.
The NXP i.MX usually gets a bunch of devicetree fixes that is proportional
to the number of supported machines. This includes both warning fixes
and correctness for the 64-bit i.MX9, i.MX8 and layerscape platforms,
as well as a single fix for a 32-bit i.MX6 based board.
The other changes are the usual minor changes, including an update to the
MAINTAINERS file, an omap3 dts file and a SoC driver for mpfs (risc-v).
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Merge tag 'arm-fixes-6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"There is a fairly large number of bug fixes for Qualcomm platforms,
most of them addressing issues with the devicetree files for the newly
added Snapdragon X1 based laptops to make them more reliable.
The Qualcomm driver changes address a few build-time issues as well as
runtime problems in the tzmem and scm firmware, the USB Type-C driver,
and the cmd-db and pmic_glink soc drivers.
The NXP i.MX usually gets a bunch of devicetree fixes that is
proportional to the number of supported machines. This includes both
warning fixes and correctness for the 64-bit i.MX9, i.MX8 and
layerscape platforms, as well as a single fix for a 32-bit i.MX6 based
board.
The other changes are the usual minor changes, including an update to
the MAINTAINERS file, an omap3 dts file and a SoC driver for mpfs
(risc-v)"
* tag 'arm-fixes-6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (50 commits)
firmware: microchip: fix incorrect error report of programming:timeout on success
soc: qcom: pd-mapper: Fix singleton refcount
firmware: qcom: tzmem: disable sdm670 platform
soc: qcom: pmic_glink: Actually communicate when remote goes down
usb: typec: ucsi: Move unregister out of atomic section
soc: qcom: pmic_glink: Fix race during initialization
firmware: qcom: qseecom: remove unused functions
firmware: qcom: tzmem: fix virtual-to-physical address conversion
firmware: qcom: scm: Mark get_wq_ctx() as atomic call
arm64: dts: qcom: x1e80100: Fix Adreno SMMU global interrupt
arm64: dts: qcom: disable GPU on x1e80100 by default
arm64: dts: imx8mm-phygate: fix typo pinctrcl-0
arm64: dts: imx95: correct L3Cache cache-sets
arm64: dts: imx95: correct a55 power-domains
arm64: dts: freescale: imx93-tqma9352-mba93xxla: fix typo
arm64: dts: freescale: imx93-tqma9352: fix CMA alloc-ranges
ARM: dts: imx6dl-yapp43: Increase LED current to match the yapp4 HW design
arm64: dts: imx93: update default value for snps,clk-csr
arm64: dts: freescale: tqma9352: Fix watchdog reset
arm64: dts: imx8mp-beacon-kit: Fix Stereo Audio on WM8962
...
This corrects the tzmem virt-to-phys conversion, which caused issues for
the uefisecapp implementation of EFI variable access. SDM670 is excluded
from tzmem usage due to reported issues.
The SCM get wait queue context call is corrected to be marked ATOMIC and
some dead code in qseecom, following the tzmem conversion, is removed.
The memory backing command DB is remapped writecombined, to avoid XPU
violations when Linux runs without the Qualcomm hypervisor.
Two compile fixes are added for pd-mapper, and the broken reference
count is corrected, to make pd-mapper deal with remoteprocs going away.
In pmic_glink a race condition where the client callbacks might be
called before we returned the client handle is corrected. The broken conditions
for when to signal that the firmware is going down is also corrected.
In the pmic_glink UCSI driver, the ucsi_unregister() is moved out of the
pdr callback, as this is being invoked in atomic context.
Konrad's email address is updated in MAINTAINERS, and related mailmap
entries are added.
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Merge tag 'qcom-drivers-fixes-for-6.11' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
Qualcomm driver fixes for v6.11
This corrects the tzmem virt-to-phys conversion, which caused issues for
the uefisecapp implementation of EFI variable access. SDM670 is excluded
from tzmem usage due to reported issues.
The SCM get wait queue context call is corrected to be marked ATOMIC and
some dead code in qseecom, following the tzmem conversion, is removed.
The memory backing command DB is remapped writecombined, to avoid XPU
violations when Linux runs without the Qualcomm hypervisor.
Two compile fixes are added for pd-mapper, and the broken reference
count is corrected, to make pd-mapper deal with remoteprocs going away.
In pmic_glink a race condition where the client callbacks might be
called before we returned the client handle is corrected. The broken conditions
for when to signal that the firmware is going down is also corrected.
In the pmic_glink UCSI driver, the ucsi_unregister() is moved out of the
pdr callback, as this is being invoked in atomic context.
Konrad's email address is updated in MAINTAINERS, and related mailmap
entries are added.
* tag 'qcom-drivers-fixes-for-6.11' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: pd-mapper: Fix singleton refcount
firmware: qcom: tzmem: disable sdm670 platform
soc: qcom: pmic_glink: Actually communicate when remote goes down
usb: typec: ucsi: Move unregister out of atomic section
soc: qcom: pmic_glink: Fix race during initialization
firmware: qcom: qseecom: remove unused functions
firmware: qcom: tzmem: fix virtual-to-physical address conversion
firmware: qcom: scm: Mark get_wq_ctx() as atomic call
MAINTAINERS: Update Konrad Dybcio's email address
mailmap: Add an entry for Konrad Dybcio
soc: qcom: pd-mapper: mark qcom_pdm_domains as __maybe_unused
soc: qcom: cmd-db: Map shared memory as WC, not WB
soc: qcom: pd-mapper: Depend on ARCH_QCOM || COMPILE_TEST
Link: https://lore.kernel.org/r/20240826145209.1646159-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
There may be other backup reset methods available, do not halt
here so that other reset methods can be tried.
Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240610142836.168603-5-afd@ti.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Function register_restart_handler() is deprecated. Using this new API
removes our need to keep and manage a struct notifier_block.
Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240610142836.168603-4-afd@ti.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Simplify probe by fetching the regmap and its arguments in one call.
Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240610142836.168603-3-afd@ti.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Use device_get_match_data() for finding the matching node and fetching
the match data all in one.
Signed-off-by: Andrew Davis <afd@ti.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240610142836.168603-2-afd@ti.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The platform_driver_probe() helper is useful when the probe function
is in the _init section, that is not the case here. Use the normal
platform_driver_register() function.
Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240610142836.168603-1-afd@ti.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The OCP board used a BlueField's GPIO pin for entering
low power mode. That board was not commercialized and
has been dropped from production so all its code is unused.
The new hardware requirement is to trigger a graceful shutdown
when that GPIO pin is toggled. So replace the unused low power
mode with a graceful shutdown.
Signed-off-by: Asmaa Mnebhi <asmaa@nvidia.com>
Reviewed-by: David Thompson <davthompson@nvidia.com>
Link: https://lore.kernel.org/r/20240611134327.30975-1-asmaa@nvidia.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
There are two charger current limit registers:
- Fast charge current limit (which controls current going from the
charger to the battery);
- CHGIN input current limit (which controls current going into the
charger through the cable).
Add the necessary functions to retrieve the CHGIN input limit (from CHARGER
regulator) and maximum fast charge current values, and expose them as power
supply properties.
Tested-by: Henrik Grimler <henrik@grimler.se>
Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240816-max77693-charger-extcon-v4-3-050a0a9bfea0@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Commit 223a3b8283 ("power: supply: max17042_battery: use VFSOC for
capacity when no rsns") made it so that capacity on systems without
current sensing would be read from VFSOC instead of RepSOC. However,
the SOC threshold calculation still read RepSOC to get the SOC
regardless of the current sensing option state.
Fix this by applying the same conditional to determine which register
should be read.
This also seems to be the intended behavior as per the datasheet - SOC
alert config value in MiscCFG on setups without current sensing is set
to a value of 0b11, indicating SOC alerts being generated based on
VFSOC, instead of 0b00 which indicates SOC alerts being generated based
on RepSOC.
This fixes an issue on the Galaxy S3/Midas boards, where the alert
interrupt would be constantly retriggered, causing high CPU usage
on idle (around ~12%-15%).
Fixes: e5f3872d20 ("max17042: Add support for signalling change in SOC")
Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
Reviewed-by: Henrik Grimler <henrik@grimler.se>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240817-max17042-soc-threshold-fix-v1-1-72b45899c3cc@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Allow users to specify a maximum input current for the device. Some
devices allow up to 3.25A of input current (such as the AXP717), which
may be too much for some implementations.
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240821215456.962564-7-macroalpha82@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Make reading of the vbus value and configuring of the iio channels
device specific, to allow additional devices (such as the AXP717) to
be supported by this driver.
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240821215456.962564-5-macroalpha82@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Move the configuration of battery specific information and available
iio channels from the probe function to a device specific routine,
allowing us to use this driver for devices with slightly different
configurations (such as the AXP717).
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240821215456.962564-4-macroalpha82@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN and
POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN values should be immutable
properties of the battery, but for this driver they are writable values
and used as the minimum and maximum values for charging. Remove the
DESIGN designation from these values.
Fixes: 46c202b5f2 ("power: supply: add battery driver for AXP20X and AXP22X PMICs")
Suggested-by: Chen-Yu Tsai <wens@kernel.org>
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240821215456.962564-3-macroalpha82@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Driver reads existing current value from two 8-bit registers, but then
compares only one of them with the new 16-bit value. clang W=1 is also
not happy:
twl4030_charger.c:243:16: error: variable 'cur_reg' set but not used [-Werror,-Wunused-but-set-variable]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240705113113.42851-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Allocate the memory with scoped/cleanup.h to reduce error handling and
make the code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240705113113.42851-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded
based on the alias from platform_device_id table.
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20240819040831.2801543-1-ruanjinjie@huawei.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
- request the wlan-enable GPIO "as-is" to fix an issue with the wifi
module being already powered up before linux boots
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Merge tag 'pwrseq-fixes-for-v6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull power sequencing fix from Bartosz Golaszewski:
- request the wlan-enable GPIO "as-is" to fix an issue with the wifi
module being already powered up before linux boots
* tag 'pwrseq-fixes-for-v6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
power: sequencing: request the WLAN enable GPIO as-is
As pointed out by Stephen Boyd it is possible that during initialization
of the pmic_glink child drivers, the protection-domain notifiers fires,
and the associated work is scheduled, before the client registration
returns and as a result the local "client" pointer has been initialized.
The outcome of this is a NULL pointer dereference as the "client"
pointer is blindly dereferenced.
Timeline provided by Stephen:
CPU0 CPU1
---- ----
ucsi->client = NULL;
devm_pmic_glink_register_client()
client->pdr_notify(client->priv, pg->client_state)
pmic_glink_ucsi_pdr_notify()
schedule_work(&ucsi->register_work)
<schedule away>
pmic_glink_ucsi_register()
ucsi_register()
pmic_glink_ucsi_read_version()
pmic_glink_ucsi_read()
pmic_glink_ucsi_read()
pmic_glink_send(ucsi->client)
<client is NULL BAD>
ucsi->client = client // Too late!
This code is identical across the altmode, battery manager and usci
child drivers.
Resolve this by splitting the allocation of the "client" object and the
registration thereof into two operations.
This only happens if the protection domain registry is populated at the
time of registration, which by the introduction of commit '1ebcde047c54
("soc: qcom: add pd-mapper implementation")' became much more likely.
Reported-by: Amit Pundir <amit.pundir@linaro.org>
Closes: https://lore.kernel.org/all/CAMi1Hd2_a7TjA7J9ShrAbNOd_CoZ3D87twmO5t+nZxC9sX18tA@mail.gmail.com/
Reported-by: Johan Hovold <johan@kernel.org>
Closes: https://lore.kernel.org/all/ZqiyLvP0gkBnuekL@hovoldconsulting.com/
Reported-by: Stephen Boyd <swboyd@chromium.org>
Closes: https://lore.kernel.org/all/CAE-0n52JgfCBWiFQyQWPji8cq_rCsviBpW-m72YitgNfdaEhQg@mail.gmail.com/
Fixes: 58ef4ece1e ("soc: qcom: pmic_glink: Introduce base PMIC GLINK driver")
Cc: stable@vger.kernel.org
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Amit Pundir <amit.pundir@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Link: https://lore.kernel.org/r/20240820-pmic-glink-v6-11-races-v3-1-eec53c750a04@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Enable support for controlling the power-up sequence of the PMU inside
the WCN6855 model.
Signed-off-by: Konrad Dybcio <konradybcio@kernel.org>
[Bartosz: split Konrad's bigger patch, write the commit message]
Co-developed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20240813190841.155067-1-brgl@bgdev.pl
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
If the WCN module is powered up before linux boots and the ath11k driver
probes at the same time as the power sequencing driver, we may end up
driving the wlan-enable GPIO low in the latter, breaking the start-up of
the WLAN module. Request the wlan-enable GPIO as-is so that if the WLAN
module is already starting/started, we leave it alone.
Fixes: 2f1630f437 ("power: pwrseq: add a driver for the PMU module on the QCom WCN chipsets")
Reported-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Link: https://lore.kernel.org/r/20240813190751.155035-1-brgl@bgdev.pl
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Some newer ADSP firmware versions on X1E80100 report an extra __le32 at the
end of the battery information request payload, causing qcom_battmgr to
fail to initialize. Adjust the check to ignore the extra field in the info
payload so we can support both old and newer firmware versions.
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240712-x1e80100-battmgr-v1-1-a253d767f493@linaro.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The driver returns -ENODEV when the firmware battmrg service hasn't
started yet, while per-se -ENODEV is fine, we usually use -EAGAIN to
tell the user to retry again later. And the power supply core uses
-EGAIN when the device isn't initialized, let's use the same return.
This notably causes an infinite spam of:
thermal thermal_zoneXX: failed to read out thermal zone (-19)
because the thermal core doesn't understand -ENODEV, but only
considers -EAGAIN as a non-fatal error.
While it didn't appear until now, commit [1] fixes thermal core
and no more ignores thermal zones returning an error at first
temperature update.
[1] 5725f40698 ("thermal: core: Call monitor_thermal_zone() if zone temperature is invalid")
Link: https://lore.kernel.org/all/2ed4c630-204a-4f80-a37f-f2ca838eb455@linaro.org/
Cc: stable@vger.kernel.org
Fixes: 29e8142b56 ("power: supply: Introduce Qualcomm PMIC GLINK power supply")
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Reviewed-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Link: https://lore.kernel.org/r/20240715-topic-sm8x50-upstream-fix-battmgr-temp-tz-warn-v1-1-16e842ccead7@linaro.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Round constant_charge_voltage writes down to the first supported lower
value, rather then rounding them up to the first supported higher value.
This fixes e.g. writing 4250000 resulting in a value of 4350000 which
might be dangerous, instead writing 4250000 will now result in a safe
4200000 value.
Fixes: 843735b788 ("power: axp288_charger: axp288 charger driver")
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240717200333.56669-2-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
info->max_cv is in millivolts, divide the microvolt value being written
to constant_charge_voltage by 1000 *before* clamping it to info->max_cv.
Before this fix the code always tried to set constant_charge_voltage
to max_cv / 1000 = 4 millivolt, which ends up in setting it to 4.1V
which is the lowest supported value.
Fixes: 843735b788 ("power: axp288_charger: axp288 charger driver")
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240717200333.56669-1-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
* power-supply core
- new charging_orange_full_green RGB LED trigger
- simplify and cleanup power-supply LED trigger code
- expose power information via hwmon compatibility layer
* new hardware support
- enable battery support for Qualcomm Snapdragon X Elite
- new battery driver for Maxim MAX17201/MAX17205
- new battery driver for Lenovo Yoga C630 laptop (custom EC)
* cleanup 'struct i2c_device_id' initializations
* misc. small battery driver cleanups and fixes
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Merge tag 'for-v6.11' 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:
- new charging_orange_full_green RGB LED trigger
- simplify and cleanup power-supply LED trigger code
- expose power information via hwmon compatibility layer
New hardware support:
- enable battery support for Qualcomm Snapdragon X Elite
- new battery driver for Maxim MAX17201/MAX17205
- new battery driver for Lenovo Yoga C630 laptop (custom EC)
Cleanups:
- cleanup 'struct i2c_device_id' initializations
- misc small battery driver cleanups and fixes"
* tag 'for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
power: supply: sysfs: use power_supply_property_is_writeable()
power: supply: qcom_battmgr: Enable battery support on x1e80100
power: supply: add support for MAX1720x standalone fuel gauge
dt-bindings: power: supply: add support for MAX17201/MAX17205 fuel gauge
power: reset: piix4: add missing MODULE_DESCRIPTION() macro
power: supply: samsung-sdi-battery: Constify struct power_supply_maintenance_charge_table
power: supply: samsung-sdi-battery: Constify struct power_supply_vbat_ri_table
power: supply: lenovo_yoga_c630_battery: add Lenovo C630 driver
power: supply: ingenic: Fix some error handling paths in ingenic_battery_get_property()
power: supply: ab8500: Clean some error messages
power: supply: ab8500: Use iio_read_channel_processed_scale()
power: supply: ab8500: Fix error handling when calling iio_read_channel_processed()
power: supply: hwmon: Add support for power sensors
power: supply: ab8500: remove unused struct 'inst_curr_result_list'
power: supply: bd99954: remove unused struct 'battery_data'
power: supply: leds: Add activate() callback to triggers
power: supply: leds: Share trig pointer for online and charging_full
power: supply: leds: Add power_supply_[un]register_led_trigger()
power: supply: Drop explicit initialization of struct i2c_device_id::driver_data to 0
- fix an invalid pointer dereference in error path in pwrseq core
- reduce the Kconfig noise from PCI pwrctl choices
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Merge tag 'pwrseq-fixes-for-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull power sequencing fixes from Bartosz Golaszewski:
"There's one fix for an invalid pointer dereference in error path
reported by smatch and two patches that address the noisy config
choices you reported earlier this week.
Summary:
- fix an invalid pointer dereference in error path in pwrseq core
- reduce the Kconfig noise from PCI pwrctl choices"
* tag 'pwrseq-fixes-for-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
arm64: qcom: don't select HAVE_PWRCTL when PCI=n
Kconfig: reduce the amount of power sequencing noise
power: sequencing: fix an invalid pointer dereference in error path
- Add new Trigger for Input Events
- Add new led_mc_set_brightness() call to adapt colour/brightness for mutli-colour LEDs
- Add new lled_mc_trigger_event() call to call the above based on given trigger conditions
- Add new led_get_color_name() call, a wrapper around the existing led_colors[] array
- Add a new flag to avoid automatic renaming of LED devices
- New Drivers
- Add support for Silergy SY7802 Flash LED Controller
- Add support for Texas Instruments LP5569 LED Controller
- Add support for ChromeOS EC LED Controller
- New Device Support
- Add support for KTD202{6,7} to Kinetic KTD2026/7 LEDs
- Fix-ups
- Replace ACPI/DT firmware helpers with agnostic variants
- Make use of resource managed devm_* API calls
- Device Tree binding adaptions/conversions/creation
- Constify/staticise applicable data structures
- Trivial; spelling, whitespace, coding-style adaptions
- Drop i2c_device_id::driver_data where the value is unused
- Utilise centrally provided helpers and macros to aid simplicity/duplication
- Use generic platform device properties instead of OF/ACPI specific ones
- Consolidate/de-duplicate various functionality
- Remove superfluous/duplicated/unused sections
- Make use of the new *_scoped() guard APIs
- Improve/simplify error handling
- Bug Fixes
- Flush pending brightness changes before activating the trigger
- Repair incorrect device naming preventing matches
- Prevent memory leaks by correctly free resources during error handling routines
- Repair locking issue causing circular dependency splats and lock-ups
- Unregister sysfs entries before deactivating triggers to prevent use-after issues
- Supply a bunch of MODULE_DESCRIPTIONs to silence modpost warnings
- Use correct return codes expected by the callers
- Omit set_brightness() error message for a LEDs that support only HW triggers
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Merge tag 'leds-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds
Pull LED updates from Lee Jones:
"Core Frameworks:
- New trigger for Input Events
- New led_mc_set_brightness() call to adapt colour/brightness for
mutli-colour LEDs
- New lled_mc_trigger_event() call to call the above based on given
trigger conditions
- New led_get_color_name() call, a wrapper around the existing
led_colors[] array
- A new flag to avoid automatic renaming of LED devices
New Drivers:
- Silergy SY7802 Flash LED Controller
- Texas Instruments LP5569 LED Controller
- ChromeOS EC LED Controller
New Device Support:
- KTD202{6,7} support for Kinetic KTD2026/7 LEDs
Fix-ups:
- Replace ACPI/DT firmware helpers with agnostic variants
- Make use of resource managed devm_* API calls
- Device Tree binding adaptions/conversions/creation
- Constify/staticise applicable data structures
- Trivial; spelling, whitespace, coding-style adaptions
- Drop i2c_device_id::driver_data where the value is unused
- Utilise centrally provided helpers and macros to aid simplicity and
avoid duplication
- Use generic platform device properties instead of OF/ACPI specific
ones
- Consolidate/de-duplicate various functionality
- Remove superfluous/duplicated/unused sections
- Make use of the new *_scoped() guard APIs
- Improve/simplify error handling
Bug Fixes:
- Flush pending brightness changes before activating the trigger
- Repair incorrect device naming preventing matches
- Prevent memory leaks by correctly free resources during error
handling routines
- Repair locking issue causing circular dependency splats and
lock-ups
- Unregister sysfs entries before deactivating triggers to prevent
use-after issues
- Supply a bunch of MODULE_DESCRIPTIONs to silence modpost warnings
- Use correct return codes expected by the callers
- Omit set_brightness() error message for a LEDs that support only HW
triggers"
* tag 'leds-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (65 commits)
leds: leds-lp5569: Enable chip after chip configuration
leds: leds-lp5569: Better handle enabling clock internal setting
leds: leds-lp5569: Fix typo in driver name
leds: flash: leds-qcom-flash: Test the correct variable in init
leds: leds-lp55xx: Convert mutex lock/unlock to guard API
leds: leds-lp5523: Convert to sysfs_emit API
leds: leds-lp5569: Convert to sysfs_emit API
Revert "leds: led-core: Fix refcount leak in of_led_get()"
leds: leds-lp5569: Add support for Texas Instruments LP5569
leds: leds-lp55xx: Drop deprecated defines
leds: leds-lp55xx: Support ENGINE program up to 128 bytes
leds: leds-lp55xx: Generalize sysfs master_fader
leds: leds-lp55xx: Generalize sysfs engine_leds
leds: leds-lp55xx: Generalize sysfs engine_load and engine_mode
leds: leds-lp55xx: Generalize stop_engine function
leds: leds-lp55xx: Generalize turn_off_channels function
leds: leds-lp55xx: Generalize set_led_current function
leds: leds-lp55xx: Generalize multicolor_brightness function
leds: leds-lp55xx: Generalize led_brightness function
leds: leds-lp55xx: Generalize firmware_loaded function
...
