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1,264,571 commits

Author SHA1 Message Date
Herman van Hazendonk
aecebbc087 dt-bindings: mfd: qcom: pm8xxx: Add pm8901 compatible
Add missing compatible for the pm8901 model used in msm8660
such as (HP TouchPad (tenderloin).

Signed-off-by: Herman van Hazendonk <github.com@herrie.org>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240415123038.1526386-1-github.com@herrie.org
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:17 +01:00
Colin Ian King
11db542183 mfd: timberdale: Remove redundant assignment to variable err
The variable err is being assigned -ENODEV and then err is being
re-assigned the same error value via the error exit label err_mfd.
The assignment is redundant and can be removed.

Cleans up clang scan build warning:
drivers/mfd/timberdale.c:768:3: warning: Value stored to 'err' is
never read [deadcode.DeadStores]

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240415102632.484411-1-colin.i.king@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:17 +01:00
Luca Weiss
6cb72bd486 dt-bindings: mfd: qcom,spmi-pmic: Add pbs to SPMI device types
Add the PBS (Programmable Boot Sequencer) to the list of devices.

Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240412-pmi632-ppg-v2-1-8ac892b1bb61@fairphone.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:17 +01:00
Siddharth Vadapalli
3088ab3f19 dt-bindings: mfd: syscon: Add ti,am62p-cpsw-mac-efuse compatible
The CTRLMMR_MAC_IDx registers within the CTRL_MMR space of TI's AM62p SoC
contain the MAC Address programmed in the eFuse. Add compatible for
allowing the CPSW driver to obtain a regmap for the CTRLMMR_MAC_IDx
registers within the System Controller device-tree node. The default MAC
Address for the interface corresponding to the first MAC port will be set
to the value programmed in the eFuse.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240402105708.4114146-1-s-vadapalli@ti.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:17 +01:00
Rohit Agarwal
4cce569c1d dt-bindings: mfd: qcom,tcsr: Add compatible for SDX75
Document the qcom,sdx75-tcsr compatible.

Signed-off-by: Rohit Agarwal <quic_rohiagar@quicinc.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240426055326.3141727-3-quic_rohiagar@quicinc.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:17 +01:00
wangkaiyuan
248327d6a0 mfd: axp20x: Convert to use Maple Tree register cache
The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.

Signed-off-by: wangkaiyuan <wangkaiyuan@inspur.com>
Link: https://lore.kernel.org/r/20240429024547.27724-1-wangkaiyuan@inspur.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:17 +01:00
Matti Vaittinen
de8f4d97bb mfd: bd71828: Remove commented code lines
Some commented out code was accidentally left in the header.

Clean up commented out macros.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/ZhjOj_4AUgC4Iwh_@drtxq0yyyyyyyyyyyyyby-3.rev.dnainternet.fi
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:17 +01:00
Ilpo Järvinen
74c6317df0 mfd: intel-m10-bmc: Change staging size to a variable
The secure update driver does a sanity-check of the image size in
comparison to the size of the staging area in FLASH. Instead of
hard-wiring M10BMC_STAGING_SIZE, move the staging size to the
m10bmc_csr_map structure to make the size assignment more flexible.

Co-developed-by: Russ Weight <russell.h.weight@intel.com>
Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Peter Colberg <peter.colberg@intel.com>
Reviewed-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20240402184925.1065932-1-peter.colberg@intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:16 +01:00
Andreas Kemnade
4fd7e2ffe3 dt-bindings: mfd: Add ROHM BD71879
As this chip was seen in several devices in the wild, add it.

Suggested-by: Matti Vaittinen <mazziesaccount@gmail.com>
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/20240404195423.666446-2-andreas@kemnade.info
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:16 +01:00
Jean Delvare
5fbbeaa6c8 mfd: Tidy Kconfig dependency's parentheses
Drop unneeded parentheses for clarity and consistency.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Link: https://lore.kernel.org/r/20240407112445.503bcbc6@endymion.delvare
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:16 +01:00
Christophe JAILLET
74d26d76b9 mfd: ocelot-spi: Use spi_sync_transfer()
Use spi_sync_transfer() instead of hand-writing it.

It is less verbose.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Colin Foster <colin.foster@in-advantage.com>
Tested-by: Colin Foster <colin.foster@in-advantage.com>
Link: https://lore.kernel.org/r/7af920eb686b719cb7eb39c832e3ad414e0e1e1a.1712258667.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:16 +01:00
Rob Herring
7777dc1f91 dt-bindings: mfd: syscon: Add missing simple syscon compatibles
Add various "simple" syscon compatibles which were undocumented or
still documented with old text bindings.

apm,xgene-csw, apm,xgene-efuse, apm,xgene-mcb, apm,xgene-rb,
fsl,ls1088a-reset, marvell,armada-3700-cpu-misc,
mediatek,mt2712-pctl-a-syscfg, mediatek,mt6397-pctl-pmic-syscfg, and
mediatek,mt8173-pctl-a-syscfg were all undocumented, but are in use
already. Remove the old text binding docs for the others.

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240402202413.757283-1-robh@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:16 +01:00
Andreas Kemnade
5549eeedcd mfd: rohm-bd71828: Add power off functionality
Since the chip can power off the system, add the corresponding
functionality.
Based on https://github.com/kobolabs/Kobo-Reader/raw/master/hw/imx6sll-clara2e/kernel.tar.bz2

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Acked-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/20240402111700.494004-3-andreas@kemnade.info
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:16 +01:00
Andreas Kemnade
714ae2ab78 dt-bindings: mfd: Add ROHM BD71828 system-power-controller property
As the PMIC can power off the system, add the corresponding property.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/20240402111700.494004-2-andreas@kemnade.info
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:16 +01:00
Andreas Kemnade
f769df1eb9 dt-bindings: mfd: twl: Convert trivial subdevices to json-schema
Convert subdevices with just an interrupt and compatbile to
json-schema and wire up already converted subdevices.
RTC is available in all variants, so allow it unconditionally.
GPADC binding for TWL603X uses two different compatibles, so
specify just the compatible and do not include it.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240401081831.456828-1-andreas@kemnade.info
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:16 +01:00
Andy Shevchenko
db8516871b mfd: kempld: Remove dead code
scnprintf() never returns negative value, drop the respective dead code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240223195113.880121-7-andriy.shevchenko@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:16 +01:00
Andy Shevchenko
de584f72ce mfd: kempld: Drop duplicate NULL check in ->exit()
Since platform_device_unregister() is NULL-aware, we don't need
to duplicate this check. Remove it and fold the rest of the code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240223195113.880121-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:16 +01:00
Andy Shevchenko
f197c75fe0 mfd: kempld: Use PLATFORM_DEVID_NONE instead of -1
Use the `PLATFORM_DEVID_NONE` constant instead of hard-coding -1
when creating a platform device.

No functional changes are intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240223195113.880121-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:16 +01:00
Andy Shevchenko
f0336cc4f1 mfd: kempld: Simplify device registration
Use platform_device_register_full() instead of open coding this
function.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240223195113.880121-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:15 +01:00
Andy Shevchenko
b503627701 mfd: kempld: Use device core to create driver-specific device attributes
Instead of creating driver-specific device attributes with
sysfs_create_group() have device core do this by setting up dev_groups
pointer in the driver structure.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240223195113.880121-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:15 +01:00
Andy Shevchenko
392654ad18 mfd: kempld: Replace ACPI code with agnostic one
There is no need to include and use entire ACPI stack in the driver.
Replace respective pieces by agnostic code. No functional change
indented.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240223195113.880121-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:15 +01:00
Andy Shevchenko
858cea6b5a mfd: intel-lpss: Switch over to MSI interrupts
Some devices support MSI interrupts. Let's at least try to use them in
platforms that provide MSI capability.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240312165905.1764507-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:15 +01:00
Lee Jones
cac5fd398b Merge branches 'ib-mfd-misc-pinctrl-regulator-6.10', 'ib-mfd-pinctrl-regulator-6.10' and 'ib-mfd-regulator-6.10' into ibs-for-mfd-merged 2024-05-10 15:38:46 +01:00
Nirmala Devi Mal Nadar
2088297159 pinctrl: pinctrl-tps6594: Add TPS65224 PMIC pinctrl and GPIO
Add support for TPS65224 pinctrl and GPIOs to TPS6594 driver as they have
significant functional overlap.
TPS65224 PMIC has 6 GPIOS which can be configured as GPIO or other
dedicated device functions.

Signed-off-by: Nirmala Devi Mal Nadar <m.nirmaladevi@ltts.com>
Signed-off-by: Bhargav Raviprakash <bhargav.r@ltts.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/0109018f2fdce15d-c13bd809-a11b-4202-9b7f-c9380d51b070-000000@ap-south-1.amazonses.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-03 10:07:11 +01:00
Nirmala Devi Mal Nadar
00c826525f regulator: tps6594-regulator: Add TI TPS65224 PMIC regulators
Add support for TPS65224 regulators (bucks and LDOs) to TPS6594 driver as
they have significant functional overlap. TPS65224 PMIC has 4 buck
regulators and 3 LDOs. BUCK12 can operate in dual phase.
The output voltages are configurable and are meant to supply power to the
main processor and other components.

Signed-off-by: Nirmala Devi Mal Nadar <m.nirmaladevi@ltts.com>
Signed-off-by: Bhargav Raviprakash <bhargav.r@ltts.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/0109018f2fdcc305-3b817569-21b6-42a7-942c-8edbff3848f2-000000@ap-south-1.amazonses.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-03 10:07:09 +01:00
Bhargav Raviprakash
91020aecc8 misc: tps6594-pfsm: Add TI TPS65224 PMIC PFSM
Add support for TPS65224 PFSM in the TPS6594 PFSM driver as they share
significant functionality.

Signed-off-by: Bhargav Raviprakash <bhargav.r@ltts.com>
Acked-by: Julien Panis <jpanis@baylibre.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/0109018f2fdc9dc4-db5a45c0-0148-48cc-8462-d1c5b577a4bd-000000@ap-south-1.amazonses.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-03 10:07:07 +01:00
Bhargav Raviprakash
9d855b8144 mfd: tps6594-core: Add TI TPS65224 PMIC core
Add functionality of the TPS65224 PMIC to the TPS6594 core driver. This
includes adding IRQ resource, MFD cells, and device initialization for
TPS65224.

Signed-off-by: Bhargav Raviprakash <bhargav.r@ltts.com>
Acked-by: Julien Panis <jpanis@baylibre.com>
Link: https://lore.kernel.org/r/0109018f2fdc7df4-b986892b-9dac-4af2-90f5-57fd67ed154d-000000@ap-south-1.amazonses.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-03 10:07:06 +01:00
Bhargav Raviprakash
02716864fd mfd: tps6594-spi: Add TI TPS65224 PMIC SPI
Add support for TPS65224 PMIC in TPS6594's SPI driver which has
significant functional overlap.

Signed-off-by: Bhargav Raviprakash <bhargav.r@ltts.com>
Acked-by: Julien Panis <jpanis@baylibre.com>
Link: https://lore.kernel.org/r/0109018f2fdc6328-6d13785c-9832-471b-bdfe-fb1dac3bdc60-000000@ap-south-1.amazonses.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-03 10:07:04 +01:00
Bhargav Raviprakash
f8e5fc60e6 mfd: tps6594-i2c: Add TI TPS65224 PMIC I2C
Add support for TPS65224 PMIC in TPS6594's I2C driver which has
significant functional overlap.

Signed-off-by: Bhargav Raviprakash <bhargav.r@ltts.com>
Acked-by: Julien Panis <jpanis@baylibre.com>
Link: https://lore.kernel.org/r/0109018f2fdaecea-12513236-1059-4227-9078-7b3e0d447cc0-000000@ap-south-1.amazonses.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-03 10:07:02 +01:00
Bhargav Raviprakash
91fbd80064 dt-bindings: mfd: ti,tps6594: Add TI TPS65224 PMIC
TPS65224 is a Power Management IC with 4 Buck regulators and 3 LDO
regulators, it includes additional features like GPIOs, watchdog, ESMs
(Error Signal Monitor), and PFSM (Pre-configurable Finite State Machine)
managing the state of the device.

In addition TPS65224 has support for 12-bit ADC and does not have RTC
unlike TPS6594.

Signed-off-by: Bhargav Raviprakash <bhargav.r@ltts.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/0109018f2f26a14f-157bb3a2-2f9b-4653-a619-46e1feb8f229-000000@ap-south-1.amazonses.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-03 10:07:00 +01:00
Bhargav Raviprakash
436250638b mfd: tps6594: Use volatile_table instead of volatile_reg
In regmap_config use volatile_table instead of volatile_reg. This change
makes it easier to add support for TPS65224 PMIC.

Signed-off-by: Bhargav Raviprakash <bhargav.r@ltts.com>
Acked-by: Julien Panis <jpanis@baylibre.com>
Link: https://lore.kernel.org/r/0109018f2f267f6e-3121fa42-4816-45f7-a96d-0d6b4678da5a-000000@ap-south-1.amazonses.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-03 10:06:53 +01:00
Nirmala Devi Mal Nadar
84ccfaee29 mfd: tps6594: Add register definitions for TI TPS65224 PMIC
Extend TPS6594 PMIC register and field definitions to support TPS65224
power management IC.

TPS65224 is software compatible to TPS6594 and can re-use many of the
same definitions, new definitions are added to support additional
controls available on TPS65224.

Signed-off-by: Nirmala Devi Mal Nadar <m.nirmaladevi@ltts.com>
Signed-off-by: Bhargav Raviprakash <bhargav.r@ltts.com>
Link: https://lore.kernel.org/r/0109018f2f265d30-a87711fa-31d9-48db-b8cb-7109d0213e2e-000000@ap-south-1.amazonses.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-03 10:06:50 +01:00
Alex Bee
5eb068da74 regulator: rk808: Add RK816 support
Add support for rk816 to the existing rk808 regulator driver.

The infrastructure of the driver can be re-used as is. A peculiarity for
this version is, that BUCK1/BUCK2 have a (common) bit which needs to
toggled after a voltage change to confirm the change. Regulator regmap
takes care of that by defining a apply_bit and apply_reg for those
regulators.

Signed-off-by: Alex Bee <knaerzche@gmail.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240416161237.2500037-6-knaerzche@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-03 09:15:38 +01:00
Alex Bee
9f4e899c28 regulator: rk808: Support apply_bit for rk808_set_suspend_voltage_range
rk808_set_suspend_voltage_range currently does not account the existence of
apply_bit/apply_reg.

This adds support for those in same way it is done in
regulator_set_voltage_sel_regmap and is required for the upcoming RK816
support

Signed-off-by: Alex Bee <knaerzche@gmail.com>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240416161237.2500037-5-knaerzche@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-03 09:15:36 +01:00
Alex Bee
1bd97d64b5 pinctrl: rk805: Add rk816 pinctrl support
This adds support for RK816 to the exising rk805 pinctrl driver

It has a single pin which can be configured as input from a thermistor (for
instance in an attached battery) or as a gpio.

Signed-off-by: Alex Bee <knaerzche@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240416161237.2500037-4-knaerzche@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-03 09:15:33 +01:00
Alex Bee
e9006f81fa mfd: rk8xx: Add RK816 support
This integrates RK816 support in the this existing rk8xx mfd driver.

This version has unaligned interrupt registers, which requires to define a
separate get_irq_reg callback for the regmap. Apart from that the
integration is straightforward and the existing structures can be used as
is. The initialization sequence has been taken from vendor kernel.

Signed-off-by: Alex Bee <knaerzche@gmail.com>
Link: https://lore.kernel.org/r/20240416161237.2500037-3-knaerzche@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-03 09:15:30 +01:00
Alex Bee
06dfb41b1c dt-bindings: mfd: Add rk816 binding
Add DT binding document for Rockchip's RK816 PMIC

Signed-off-by: Alex Bee <knaerzche@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240416161237.2500037-2-knaerzche@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-03 09:15:27 +01:00
Andre Przywara
d2ac3df75c regulator: axp20x: add support for the AXP717
The X-Powers AXP717 is a typical PMIC from X-Powers, featuring four
DC/DC converters and 15 LDOs, on the regulator side.

Describe the chip's voltage settings and switch registers, how the
voltages are encoded, and connect this to the MFD device via its
regulator ID.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Mark Brown <broonie@kernel.org>
Tested-by: Ryan Walklin <ryan@testtoast.com>
Link: https://lore.kernel.org/r/20240310010211.28653-5-andre.przywara@arm.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-03-28 09:51:03 +00:00
Andre Przywara
b5bfc8ab24 mfd: axp20x: Add support for AXP717 PMIC
The AXP717a is a PMIC chip produced by X-Powers, it can be connected to
an I2C or RSB bus.

It's a rather complete PMIC, with many regulators, interrupts, an ADC and
battery charging functionality. It also offer USB type-C CC pin
handling.

Describe the regmap and the MFD bits, along with the registers exposed
via I2C or RSB. This covers the regulator, interrupts and power key
devices for now.
Advertise the device using the new compatible string.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Tested-by: Ryan Walklin <ryan@testtoast.com>
Link: https://lore.kernel.org/r/20240310010211.28653-4-andre.przywara@arm.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-03-28 09:50:59 +00:00
Andre Przywara
3bfe7fe6c0 dt-bindings: mfd: x-powers,axp152: Document AXP717
The X-Powers AXP717 is a PMIC used on some newer Allwinner devices.
Among quite some regulators it features the usual ADC/IRQ/power key
parts, plus a battery charger circuit, and some newly introduced USB
type-C circuitry.
Like two other recent PMICs, it lacks the DC/DC converter PWM frequency
control register, that rate is fixed here as well.

Add the new compatible string, and add that to the list of PMICs without
the PWM frequency property.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-by: Ryan Walklin <ryan@testtoast.com>
Link: https://lore.kernel.org/r/20240310010211.28653-3-andre.przywara@arm.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-03-28 09:50:56 +00:00
Andre Przywara
4628b80455 regulator: axp20x: fix typo-ed identifier
The registers to set the X-Powers AXP313 regulators are of course
"CONTROL" registers, not "CONRTOL" ones.

Fix the typo in the header file and in its users. No functional change.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Tested-by: Ryan Walklin <ryan@testtoast.com>
Link: https://lore.kernel.org/r/20240310010211.28653-2-andre.przywara@arm.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-03-28 09:50:32 +00:00
Linus Torvalds
4cece76496 Linux 6.9-rc1 v6.9-rc1 2024-03-24 14:10:05 -07:00
Linus Torvalds
ab8de2dbfc EFI fixes for v6.9 #2
- Fix logic that is supposed to prevent placement of the kernel image
   below LOAD_PHYSICAL_ADDR
 - Use the firmware stack in the EFI stub when running in mixed mode
 - Clear BSS only once when using mixed mode
 - Check efi.get_variable() function pointer for NULL before trying to
   call it
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Merge tag 'efi-fixes-for-v6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

Pull EFI fixes from Ard Biesheuvel:

 - Fix logic that is supposed to prevent placement of the kernel image
   below LOAD_PHYSICAL_ADDR

 - Use the firmware stack in the EFI stub when running in mixed mode

 - Clear BSS only once when using mixed mode

 - Check efi.get_variable() function pointer for NULL before trying to
   call it

* tag 'efi-fixes-for-v6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  efi: fix panic in kdump kernel
  x86/efistub: Don't clear BSS twice in mixed mode
  x86/efistub: Call mixed mode boot services on the firmware's stack
  efi/libstub: fix efi_random_alloc() to allocate memory at alloc_min or higher address
2024-03-24 13:54:06 -07:00
Linus Torvalds
5e74df2f8f A set of x86 fixes:
- Ensure that the encryption mask at boot is properly propagated on
     5-level page tables, otherwise the PGD entry is incorrectly set to
     non-encrypted, which causes system crashes during boot.
 
   - Undo the deferred 5-level page table setup as it cannot work with
     memory encryption enabled.
 
   - Prevent inconsistent XFD state on CPU hotplug, where the MSR is reset
     to the default value but the cached variable is not, so subsequent
     comparisons might yield the wrong result and as a consequence the
     result prevents updating the MSR.
 
   - Register the local APIC address only once in the MPPARSE enumeration to
     prevent triggering the related WARN_ONs() in the APIC and topology code.
 
   - Handle the case where no APIC is found gracefully by registering a fake
     APIC in the topology code. That makes all related topology functions
     work correctly and does not affect the actual APIC driver code at all.
 
   - Don't evaluate logical IDs during early boot as the local APIC IDs are
     not yet enumerated and the invoked function returns an error
     code. Nothing requires the logical IDs before the final CPUID
     enumeration takes place, which happens after the enumeration.
 
   - Cure the fallout of the per CPU rework on UP which misplaced the
     copying of boot_cpu_data to per CPU data so that the final update to
     boot_cpu_data got lost which caused inconsistent state and boot
     crashes.
 
   - Use copy_from_kernel_nofault() in the kprobes setup as there is no
     guarantee that the address can be safely accessed.
 
   - Reorder struct members in struct saved_context to work around another
     kmemleak false positive
 
   - Remove the buggy code which tries to update the E820 kexec table for
     setup_data as that is never passed to the kexec kernel.
 
   - Update the resource control documentation to use the proper units.
 
   - Fix a Kconfig warning observed with tinyconfig
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Merge tag 'x86-urgent-2024-03-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Thomas Gleixner:

 - Ensure that the encryption mask at boot is properly propagated on
   5-level page tables, otherwise the PGD entry is incorrectly set to
   non-encrypted, which causes system crashes during boot.

 - Undo the deferred 5-level page table setup as it cannot work with
   memory encryption enabled.

 - Prevent inconsistent XFD state on CPU hotplug, where the MSR is reset
   to the default value but the cached variable is not, so subsequent
   comparisons might yield the wrong result and as a consequence the
   result prevents updating the MSR.

 - Register the local APIC address only once in the MPPARSE enumeration
   to prevent triggering the related WARN_ONs() in the APIC and topology
   code.

 - Handle the case where no APIC is found gracefully by registering a
   fake APIC in the topology code. That makes all related topology
   functions work correctly and does not affect the actual APIC driver
   code at all.

 - Don't evaluate logical IDs during early boot as the local APIC IDs
   are not yet enumerated and the invoked function returns an error
   code. Nothing requires the logical IDs before the final CPUID
   enumeration takes place, which happens after the enumeration.

 - Cure the fallout of the per CPU rework on UP which misplaced the
   copying of boot_cpu_data to per CPU data so that the final update to
   boot_cpu_data got lost which caused inconsistent state and boot
   crashes.

 - Use copy_from_kernel_nofault() in the kprobes setup as there is no
   guarantee that the address can be safely accessed.

 - Reorder struct members in struct saved_context to work around another
   kmemleak false positive

 - Remove the buggy code which tries to update the E820 kexec table for
   setup_data as that is never passed to the kexec kernel.

 - Update the resource control documentation to use the proper units.

 - Fix a Kconfig warning observed with tinyconfig

* tag 'x86-urgent-2024-03-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/boot/64: Move 5-level paging global variable assignments back
  x86/boot/64: Apply encryption mask to 5-level pagetable update
  x86/cpu: Add model number for another Intel Arrow Lake mobile processor
  x86/fpu: Keep xfd_state in sync with MSR_IA32_XFD
  Documentation/x86: Document that resctrl bandwidth control units are MiB
  x86/mpparse: Register APIC address only once
  x86/topology: Handle the !APIC case gracefully
  x86/topology: Don't evaluate logical IDs during early boot
  x86/cpu: Ensure that CPU info updates are propagated on UP
  kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address
  x86/pm: Work around false positive kmemleak report in msr_build_context()
  x86/kexec: Do not update E820 kexec table for setup_data
  x86/config: Fix warning for 'make ARCH=x86_64 tinyconfig'
2024-03-24 11:13:56 -07:00
Linus Torvalds
b136f68eb0 A single update for the documentation of the base_slice_ns tunable to
clarify that any value which is less than the tick slice has no effect
 because the scheduler tick is not guaranteed to happen within the set time
 slice.
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Merge tag 'sched-urgent-2024-03-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler doc clarification from Thomas Gleixner:
 "A single update for the documentation of the base_slice_ns tunable to
  clarify that any value which is less than the tick slice has no effect
  because the scheduler tick is not guaranteed to happen within the set
  time slice"

* tag 'sched-urgent-2024-03-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/doc: Update documentation for base_slice_ns and CONFIG_HZ relation
2024-03-24 11:11:05 -07:00
Linus Torvalds
864ad046c1 dma-mapping fixes for Linux 6.9
This has a set of swiotlb alignment fixes for sometimes very long
 standing bugs from Will.  We've been discussion them for a while and they
 should be solid now.
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Merge tag 'dma-mapping-6.9-2024-03-24' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fixes from Christoph Hellwig:
 "This has a set of swiotlb alignment fixes for sometimes very long
  standing bugs from Will. We've been discussion them for a while and
  they should be solid now"

* tag 'dma-mapping-6.9-2024-03-24' of git://git.infradead.org/users/hch/dma-mapping:
  swiotlb: Reinstate page-alignment for mappings >= PAGE_SIZE
  iommu/dma: Force swiotlb_max_mapping_size on an untrusted device
  swiotlb: Fix alignment checks when both allocation and DMA masks are present
  swiotlb: Honour dma_alloc_coherent() alignment in swiotlb_alloc()
  swiotlb: Enforce page alignment in swiotlb_alloc()
  swiotlb: Fix double-allocation of slots due to broken alignment handling
2024-03-24 10:45:31 -07:00
Oleksandr Tymoshenko
62b71cd73d efi: fix panic in kdump kernel
Check if get_next_variable() is actually valid pointer before
calling it. In kdump kernel this method is set to NULL that causes
panic during the kexec-ed kernel boot.

Tested with QEMU and OVMF firmware.

Fixes: bad267f9e1 ("efi: verify that variable services are supported")
Signed-off-by: Oleksandr Tymoshenko <ovt@google.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2024-03-24 09:28:33 +01:00
Ard Biesheuvel
df7ecce842 x86/efistub: Don't clear BSS twice in mixed mode
Clearing BSS should only be done once, at the very beginning.
efi_pe_entry() is the entrypoint from the firmware, which may not clear
BSS and so it is done explicitly. However, efi_pe_entry() is also used
as an entrypoint by the mixed mode startup code, in which case BSS will
already have been cleared, and doing it again at this point will corrupt
global variables holding the firmware's GDT/IDT and segment selectors.

So make the memset() conditional on whether the EFI stub is running in
native mode.

Fixes: b3810c5a2c ("x86/efistub: Clear decompressor BSS in native EFI entrypoint")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2024-03-24 09:28:33 +01:00
Ard Biesheuvel
cefcd4fe2e x86/efistub: Call mixed mode boot services on the firmware's stack
Normally, the EFI stub calls into the EFI boot services using the stack
that was live when the stub was entered. According to the UEFI spec,
this stack needs to be at least 128k in size - this might seem large but
all asynchronous processing and event handling in EFI runs from the same
stack and so quite a lot of space may be used in practice.

In mixed mode, the situation is a bit different: the bootloader calls
the 32-bit EFI stub entry point, which calls the decompressor's 32-bit
entry point, where the boot stack is set up, using a fixed allocation
of 16k. This stack is still in use when the EFI stub is started in
64-bit mode, and so all calls back into the EFI firmware will be using
the decompressor's limited boot stack.

Due to the placement of the boot stack right after the boot heap, any
stack overruns have gone unnoticed. However, commit

  5c4feadb00 ("x86/decompressor: Move global symbol references to C code")

moved the definition of the boot heap into C code, and now the boot
stack is placed right at the base of BSS, where any overruns will
corrupt the end of the .data section.

While it would be possible to work around this by increasing the size of
the boot stack, doing so would affect all x86 systems, and mixed mode
systems are a tiny (and shrinking) fraction of the x86 installed base.

So instead, record the firmware stack pointer value when entering from
the 32-bit firmware, and switch to this stack every time a EFI boot
service call is made.

Cc: <stable@kernel.org> # v6.1+
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2024-03-24 09:28:32 +01:00
Tom Lendacky
9843231c97 x86/boot/64: Move 5-level paging global variable assignments back
Commit 63bed96604 ("x86/startup_64: Defer assignment of 5-level paging
global variables") moved assignment of 5-level global variables to later
in the boot in order to avoid having to use RIP relative addressing in
order to set them. However, when running with 5-level paging and SME
active (mem_encrypt=on), the variables are needed as part of the page
table setup needed to encrypt the kernel (using pgd_none(), p4d_offset(),
etc.). Since the variables haven't been set, the page table manipulation
is done as if 4-level paging is active, causing the system to crash on
boot.

While only a subset of the assignments that were moved need to be set
early, move all of the assignments back into check_la57_support() so that
these assignments aren't spread between two locations. Instead of just
reverting the fix, this uses the new RIP_REL_REF() macro when assigning
the variables.

Fixes: 63bed96604 ("x86/startup_64: Defer assignment of 5-level paging global variables")
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/2ca419f4d0de719926fd82353f6751f717590a86.1711122067.git.thomas.lendacky@amd.com
2024-03-24 05:00:36 +01:00