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mirror-linux/include/linux/mfd
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Alban Bedel a25f48fd92 gpio: kempld: Implement the interrupt controller 
Add a GPIO IRQ chip implementation for the kempld GPIO controller. Of
note is only how the parent IRQ is obtained.

The IRQ for the GPIO controller can be configured in the BIOS, along
with the IRQ for the I2C controller. These IRQ are returned by ACPI
but this information is only usable if both IRQ are configured. When
only one is configured, only one is returned making it impossible to
know which one it is.

Luckily the BIOS will set the configured IRQ in the PLD registers, so
it can be read from there instead, and that also work on platforms
without ACPI.

The vendor driver allowed to override the IRQ using a module
parameters, so there are boards in field which used this parameter
instead of properly configuring the BIOS. This implementation provides
this as well for compatibility.

Signed-off-by: Alban Bedel <alban.bedel@lht.dlh.de>
Link: https://patch.msgid.link/20260311143120.2179347-5-alban.bedel@lht.dlh.de
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
 		2026-03-16 10:05:33 +01:00
..
abx500 mfd: ab8500: Remove non-existent configuration "#ifdef CONFIG_AB8500_DEBUG" 2023-11-01 10:02:11 +00:00
arizona mfd: arizona: Make legacy gpiolib interface optional 2025-10-01 10:28:24 +01:00
atc260x
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da9052 mfd: da9052: Store result from fault_log 2024-12-17 13:17:25 +00:00
da9055 regulator: da9055: Fully convert to GPIO descriptors 2024-02-26 13:46:34 +00:00
da9062
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da9063 watchdog: da9063: Do not use a global variable 2024-11-05 10:04:40 +01:00
da9150
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madera mfd: madera: Don't use "proxy" headers 2025-07-24 11:27:14 +01:00
mt6323
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mt6328 mfd: mt6397: Add initial support for MT6328 2024-10-31 16:25:03 +00:00
mt6331 mfd: mt6397: Add basic support for MT6331+MT6332 PMIC 2022-07-19 10:54:41 +01:00
mt6332 mfd: mt6397: Add basic support for MT6331+MT6332 PMIC 2022-07-19 10:54:41 +01:00
mt6357 mfd: mt6397-core: Add MT6357 PMIC support 2022-07-19 10:54:39 +01:00
mt6358 regulator: mt6358: Add missing regulators for MT6366 2023-10-02 19:43:49 +01:00
mt6359
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mt6359p
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mt6397 rtc: mt6397: drop unused defines 2025-04-01 12:03:39 +02:00
samsung regulator: s2mps11: add S2MPG10 regulator 2026-02-04 13:35:37 +00:00
syscon mfd: syscon: atmel-smc: Don't use "proxy" headers 2025-07-24 11:27:15 +01:00
wcd934x
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wm831x
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wm8350 mfd: wm8350-core: Use IRQF_ONESHOT 2026-02-01 17:37:16 +01:00
wm8994
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88pm80x.h mfd: 88pm80x: Constify read-only regmap structs 2024-08-30 09:40:11 +01:00
88pm860x.h mfd: 88pm860x: Remove unused extern declarations 2023-08-18 21:48:05 +01:00
88pm886.h iio: adc: Add driver for Marvell 88PM886 PMIC ADC 2025-09-13 14:47:14 +01:00
aat2870.h mfd: aat2870: Use per-client debugfs directory 2025-05-22 15:49:58 +01:00
abx500.h
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ac100.h
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adp5520.h
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adp5585.h gpio: adp5585: support gpi events 2025-07-01 21:50:51 +01:00
altera-a10sr.h
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altera-sysmgr.h
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as3711.h
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as3722.h
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atmel-hlcdc.h drm: atmel-hlcdc: Define XLCDC specific registers 2024-05-30 15:44:05 +02:00
axp20x.h mfd: axp20x: AXP717: Add type-C CC registers 2026-01-22 14:23:10 +00:00
bcm590xx.h mfd: bcm590xx: Drop unused "id" member of bcm590xx struct 2025-05-23 08:48:08 +01:00
bcm2835-pm.h mfd: bcm2835-pm: Add support for BCM2711 2022-07-04 11:42:20 +01:00
bd9571mwv.h
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bq257xx.h mfd: bq257xx: Add support for BQ25703A core driver 2025-09-11 15:54:43 +01:00
cgbc.h mfd: Add Congatec Board Controller driver 2024-10-09 16:31:48 +01:00
core.h mfd: core: Make platform_data pointer const in struct mfd_cell 2024-12-17 13:14:21 +00:00
cs40l50.h mfd: cs40l50: Add support for CS40L50 core driver 2024-06-28 15:36:05 +01:00
cs42l43-regs.h mfd: cs42l43: Add support for cs42l43 core driver 2023-08-17 12:06:11 +01:00
cs42l43.h mfd: cs42l43: Tidy up header includes 2024-02-23 14:58:01 +00:00
da8xx-cfgchip.h
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da903x.h
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davinci_voicecodec.h mfd: davinci_voicecodec: Don't use "proxy" headers 2025-07-24 11:27:11 +01:00
db8500-prcmu.h
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dbx500-prcmu.h arm: Handle KCOV __init vs inline mismatches 2025-07-21 21:43:39 -07:00
dln2.h
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ezx-pcap.h mfd: ezx-pcap: Remove unused pcap_adc_sync 2025-03-14 08:59:07 +00:00
gsc.h
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hi655x-pmic.h mfd: hi655x-pmic: Convert to devm_platform_ioremap_resource() 2023-08-18 21:48:00 +01:00
hi6421-pmic.h
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idt8a340_reg.h mfd: idt8a340_reg: Start comments with '/*' 2024-07-04 17:08:01 +01:00
idt82p33_reg.h
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idtRC38xxx_reg.h ptp: add FemtoClock3 Wireless as ptp hardware clock 2024-01-29 13:00:23 +00:00
imx25-tsadc.h
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ingenic-tcu.h
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intel-m10-bmc.h mfd: intel-m10-bmc: Change staging size to a variable 2024-05-10 15:39:16 +01:00
intel_pmc_bxt.h
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intel_soc_pmic.h mfd: intel_soc_pmic_chtwc: Add Lenovo Yoga Tab 3 X90F to intel_cht_wc_models 2023-02-04 13:03:27 +00:00
intel_soc_pmic_bxtwc.h
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intel_soc_pmic_mrfld.h
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ipaq-micro.h mfd: ipaq-micro: Fix spelling mistake of "receive{d}" 2022-07-19 10:54:41 +01:00
iqs62x.h
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janz.h
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kempld.h gpio: kempld: Implement the interrupt controller 2026-03-16 10:05:33 +01:00
khadas-mcu.h
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lm3533.h mfd: lm3533: Move to new GPIO descriptor-based APIs 2024-07-04 17:38:40 +01:00
lochnagar.h
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lochnagar1_regs.h
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lochnagar2_regs.h
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loongson-se.h mfd: Add support for Loongson Security Engine chip controller 2025-09-02 12:29:57 +01:00
lp873x.h treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_30.RULE (part 2) 2022-06-10 14:51:35 +02:00
lp3943.h mfd: lp3943: Drop #include <linux/pwm.h> from header 2025-03-14 08:59:06 +00:00
lp8788-isink.h
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lp8788.h backlight: lp8788: Drop support for platform data 2024-05-10 15:44:28 +01:00
lp87565.h
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lpc_ich.h mfd: lpc_ich: Move APL GPIO resources to a custom structure 2023-11-01 10:02:13 +00:00
macsmc.h mfd: macsmc: Make SMC write buffers const 2025-11-06 14:03:28 +00:00
max5970.h regulator: max5970: Drop unused structs 2024-10-10 12:16:58 +01:00
max7360.h mfd: Add max7360 support 2025-09-16 15:24:48 +01:00
max8907.h
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max8925.h
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max8997-private.h mfd: maxim: Correct Samsung "Electronics" spelling in headers 2025-06-03 09:46:40 +01:00
max8997.h mfd: maxim: Correct Samsung "Electronics" spelling in copyright headers 2025-06-03 09:46:41 +01:00
max8998-private.h mfd: maxim: Correct Samsung "Electronics" spelling in headers 2025-06-03 09:46:40 +01:00
max8998.h mfd: maxim: Correct Samsung "Electronics" spelling in headers 2025-06-03 09:46:40 +01:00
max14577-private.h mfd: maxim: Correct Samsung "Electronics" spelling in copyright headers 2025-06-03 09:46:41 +01:00
max14577.h mfd: maxim: Correct Samsung "Electronics" spelling in copyright headers 2025-06-03 09:46:41 +01:00
max77541.h mfd: max77541: Add ADI MAX77541/MAX77540 PMIC Support 2023-06-21 18:16:18 +01:00
max77620.h
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max77650.h
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max77686-private.h mfd: maxim: Correct Samsung "Electronics" spelling in copyright headers 2025-06-03 09:46:41 +01:00
max77686.h mfd: maxim: Correct Samsung "Electronics" spelling in copyright headers 2025-06-03 09:46:41 +01:00
max77693-common.h mfd: Add new driver for MAX77705 PMIC 2025-02-20 16:37:40 +00:00
max77693-private.h mfd: maxim: Correct Samsung "Electronics" spelling in copyright headers 2025-06-03 09:46:41 +01:00
max77693.h mfd: maxim: Correct Samsung "Electronics" spelling in copyright headers 2025-06-03 09:46:41 +01:00
max77705-private.h leds: max77705: Add LEDs support 2025-02-20 16:38:37 +00:00
max77714.h mfd: max77714: Update Luca Ceresoli's e-mail address 2022-07-19 10:54:38 +01:00
max77759.h mfd: max77759: Add Maxim MAX77759 core driver 2025-05-09 15:22:30 +01:00
max77843-private.h mfd: Fix a few spelling mistakes in PMIC header file comments 2023-12-07 13:50:30 +00:00
mc13xxx.h mfd: input: rtc: mc13783: Remove deprecated mc13xxx_irq_ack() 2025-09-11 11:39:31 +01:00
mc13783.h
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mc13892.h
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mcp.h
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menelaus.h
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motorola-cpcap.h
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mp2629.h
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mxs-lradc.h
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nct6694.h mfd: Add core driver for Nuvoton NCT6694 2025-09-16 14:41:57 +01:00
ntxec.h mfd: ntxec: Add version number for EC in Tolino Vision 2023-02-22 11:42:29 +00:00
ocelot.h mfd: ocelot: Add helper to get regmap from a resource 2022-09-09 07:54:25 +01:00
palmas.h mfd: palmas: Constify strings with regulator names 2024-10-16 09:04:09 +01:00
pf1550.h mfd: pf1550: Add core driver for the PF1550 PMIC 2025-10-21 16:43:32 +01:00
qcom_rpm.h
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qnap-mcu.h mfd: qnap-mcu: Include linux/types.h in qnap-mcu.h shared header 2025-10-01 10:28:13 +01:00
rave-sp.h
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rc5t583.h
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rdc321x.h
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retu.h
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rk808.h mfd: rk8xx: Add RK801 support 2026-01-20 14:57:41 +00:00
rn5t618.h watchdog: rn5t618: add support for read out bootstatus 2022-11-19 15:30:40 +01:00
rohm-bd718x7.h
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rohm-bd957x.h
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rohm-bd71815.h
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rohm-bd71828.h mfd: bd71828: Add some missing charger related registers 2026-01-22 14:22:20 +00:00
rohm-bd72720.h mfd: rohm-bd71828: Support ROHM BD72720 2026-01-13 12:47:28 +00:00
rohm-bd96801.h mfd: rohm-bd96801: Support ROHM BD96802 2025-04-24 14:52:57 +01:00
rohm-bd96802.h mfd: rohm-bd96801: Support ROHM BD96802 2025-04-24 14:52:57 +01:00
rohm-generic.h mfd: rohm-bd71828: Support ROHM BD72720 2026-01-13 12:47:28 +00:00
rohm-shared.h
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rsmu.h mfd: rsmu: Support 32-bit address space 2023-04-26 11:40:34 +01:00
rt5033-private.h mfd: rt5033: Apply preparatory changes before adding rt5033-charger driver 2023-06-08 18:16:57 +01:00
rt5033.h power: supply: rt5033_battery: Move struct rt5033_battery to battery driver 2023-06-08 18:17:38 +01:00
rz-mtu3.h mfd: rz-mtu3: Link time dependencies 2023-08-18 21:48:04 +01:00
sc27xx-pmic.h
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si476x-core.h
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si476x-platform.h mfd: Fix a few spelling mistakes in PMIC header file comments 2023-12-07 13:50:30 +00:00
si476x-reports.h
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sky81452.h
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stm32-lptimer.h mfd: stm32-lptimer: Add support for stm32mp25 2025-05-13 11:12:52 +01:00
stm32-timers.h mfd: stm32-timers: Add support for stm32mp25 2025-03-14 08:59:05 +00:00
stmfx.h mfd: stmfx: Remove #ifdef guards for PM related functions 2022-12-07 13:28:13 +00:00
stmpe.h
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stpmic1.h mfd: stpmic1: Fixup main control register and bits naming 2023-06-15 09:19:39 +01:00
stw481x.h
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sun4i-gpadc.h mfd: sun4i-gpadc: Correct specified GPADC interrupt numbers 2024-02-23 14:58:00 +00:00
sy7636a.h
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syscon.h mfd: syscon: Add of_syscon_register_regmap() API 2024-06-26 16:46:50 +01:00
tc3589x.h
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ti-lmu-register.h
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ti-lmu.h
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ti_am335x_tscadc.h
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tps6105x.h mfd: tps6105x: Fix kernel-doc warnings relating to the core struct and tps6105x_mode 2026-01-22 14:22:14 +00:00
tps6507x.h
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tps6586x.h
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tps6594.h mfd: tps6594: Add TI TPS652G1 support 2025-07-10 09:58:01 +01:00
tps65010.h ARM/mfd/gpio: Fixup TPS65010 regression on OMAP1 OSK1 2023-05-24 15:01:22 +02:00
tps65086.h regulator: tps65086: Select dedicated regulator config for chip variant 2023-08-18 22:06:52 +01:00
tps65090.h
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tps65217.h treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_30.RULE (part 2) 2022-06-10 14:51:35 +02:00
tps65218.h treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_319.RULE 2022-06-10 14:51:36 +02:00
tps65219.h mfd: tps65219: Implement LOCK register handling for TPS65214 2026-01-22 14:22:54 +00:00
tps65910.h mfd: Fix a few spelling mistakes in PMIC header file comments 2023-12-07 13:50:30 +00:00
tps65912.h mfd: tps65912: Use devm helper functions to simplify probe 2024-07-04 17:38:40 +01:00
tps68470.h
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twl.h mfd: twl6030-irq: Remove unused twl6030_mmc_card_detect* 2025-07-24 11:27:00 +01:00
twl4030-audio.h
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twl6040.h mfd: twl6040: Drop twl6040_platform_data and associated definitions 2022-12-07 13:28:07 +00:00
ucb1x00.h gpiolib: split linux/gpio/driver.h out of linux/gpio.h 2023-03-06 12:33:01 +02:00
upboard-fpga.h mfd: Add support for AAEON UP board FPGA 2024-12-17 13:17:26 +00:00
viperboard.h
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wm97xx.h
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wm8400-audio.h
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wm8400-private.h
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wm8400.h
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