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git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds
Pull LED updates from Lee Jones:
Core:
- Implement fallback to software node name for LED names
- Fix formatting issues in `led-core.c` reported by checkpatch.pl
- Make `led_remove_lookup()` NULL-aware
- Switch from `class_find_device_by_of_node()` to
`class_find_device_by_fwnode()`
- Drop the unneeded dependency on `OF_GPIO` from `LEDS_NETXBIG`
in Kconfig
Kinetic KTD2692:
- Make the `ktd2692_timing` variable static to resolve a
sparse warning
LGM SSO:
- Fix a typo in the `GET_SRC_OFFSET` macro
- Remove a duplicate assignment of `priv->mmap` in
`intel_sso_led_probe()`
Multicolor:
- Fix a signedness error by changing the `intensity_value` type
to `unsigned int`
Qualcomm LPG:
- Prevent array overflow when selecting high-resolution values
Spreadtrum SC2731:
- Add a compatible string for the SC2730 PMIC LED controller
TI LM3642:
- Use `guard(mutex)` to simplify locking and avoid manual
`mutex_unlock()` calls
TI LP5569:
- Use `sysfs_emit()` instead of `sprintf()` for sysfs outputs
TI LP5860:
- Add the `enable-gpios` property for the `VIO_EN` pin"
TI LP8860:
- Do not unconditionally program the EEPROM on probe
- Hold the mutex lock for the entirety of the EEPROM programming
process
- Return directly from `lp8860_init()` instead of using empty `goto`
statements
- Use a single regmap table and an access table instead of separate
maps for normal and EEPROM registers
- Remove an unused read of the `STATUS` register during EEPROM
programming
TTY Trigger:
- Prefer `IS_ERR_OR_NULL()` over manual NULL checks"
* tag 'leds-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds:
leds: class: Make led_remove_lookup() NULL-aware
leds: led-class: Switch to using class_find_device_by_fwnode()
leds: Kconfig: Drop unneeded dependency on OF_GPIO
leds: lm3642: Use guard to simplify locking
leds: core: Fix formatting issues
leds: core: Implement fallback to software node name for LED names
leds: lgm-sso: Fix typo in macro for src offset
dt-bindings: leds: lp5860: add enable-gpio
leds: Prefer IS_ERR_OR_NULL over manual NULL check
dt-bindings: leds: sc2731: Add compatible for SC2730
leds: lp8860: Do not always program EEPROM on probe
leds: lp8860: Remove unused read of STATUS register
leds: lp8860: Hold lock for all of EEPROM programming
leds: lp8860: Return directly from lp8860_init
leds: lp8860: Use a single regmap table
leds: lgm-sso: Remove duplicate assignments for priv->mmap
leds: qcom-lpg: Check for array overflow when selecting the high resolution
leds: ktd2692: Make ktd2692_timing variable static
leds: lp5569: Use sysfs_emit instead of sprintf()
leds: multicolor: Change intensity_value to unsigned int
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The VIO_EN pin on the lp5860 can either be connected to VIO power supply
or GPIO.
Add the enable-gpios pin to the binding documentation.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20260217-v6-19-topic-ti-lp5860-enable-gpio-v1-1-f5e8edeb5d74@pengutronix.de
Signed-off-by: Lee Jones <lee@kernel.org>
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The Allwinner A523 SoC family features an identical LED controller as
found on the A100.
Add a SoC-specific compatible for it, with fallback to the A100 one.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20260302152724.3197587-2-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
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The LED controller found in the SC2730 PMIC is compatible with the one
found in the SC2731 PMIC.
Signed-off-by: Otto Pflüger <otto.pflueger@abscue.de>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260222-sc27xx-mfd-cells-v1-2-69526fe74c77@abscue.de
Signed-off-by: Lee Jones <lee@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds
Pull LED updates from Lee Jones:
"New Support & Features:
- Add support for the TI LP5812 4x3 matrix RGB LED driver, including
autonomous animation engine control and extensive scan multiplexing
modes
- Add a new driver for the ams Osram AS3668 4-channel I2C LED
controller
- Extend the is31fl32xx driver to support the is31fl3293 variant,
which features 3 channels and 12-bit PWM resolution
Improvements & Fixes:
- Prevent the ExpressWire KTD2801 chip from entering an undefined
state by disabling interrupts during time-sensitive communication
- Ensure the Qualcomm LPG driver detects hardware write failures by
checking the return value of regmap_bulk_write() during LUT
programming
- Fix kernel-doc warnings in the lm3692x driver by documenting
missing struct members and standardizing the comment style
- Update the ExpressWire library to use fsleep() and unexport
internal-only functions
- Improve the is31fl32xx driver by reordering code to eliminate
unnecessary forward declarations
Cleanups & Refactoring:
- Simplify the LP55XX common LED driver by utilizing the
for_each_available_child_of_node_scoped() macro for more concise
node iteration
Device Tree Bindings Updates:
- Add new YAML bindings for the TI LP5860 and LP5812 LED controllers,
and the ams Osram AS3668
- Convert the TI LM3697 white LED driver binding to DT schema format
- Allow multicolor LED nodes to be named with numeric suffixes (e.g.,
multi-led-0) to handle multiple instances without unit addresses
- Document support for the PMH0101 variant in the Qualcomm LPG PWM
and SPMI Flash LED bindings
- Add the issi,is31fl3293 compatible string to the is31fl32xx
binding"
* tag 'leds-next-6.20' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds:
dt-bindings: leds: Convert ti,lm3697 to DT schema
leds: as3668: Driver for the ams Osram 4-channel i2c LED driver
dt-bindings: leds: Add new as3668 support
docs: leds: Document TI LP5812 LED driver
leds: Add basic support for TI/National Semiconductor LP5812 LED Driver
leds: qcom-lpg: Check the return value of regmap_bulk_write()
dt-bindings: leds: qcom,spmi-flash-led: Add PMH0101 compatible
dt-bindings: leds: leds-qcom-lpg: Add support for PMH0101 PWM
dt-bindings: leds: Allow differently named multicolor LEDs
leds: lp55xx: Simplify with scoped for each OF child loop
dt-bindings: leds: add TI/National Semiconductor LP5812 LED Driver
leds: is31f132xx: Add support for is31fl3293
leds: is31f132xx: Re-order code to remove forward declarations
dt-bindings: leds: Add issi,is31fl3293 to leds-is31fl32xx
leds: expresswire: Fix chip state breakage
dt-bindings: leds: Add LP5860 LED controller
leds: lm3692x: Fix kernel-doc for struct lm3692x_led
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"New Support & Features:
- Add a new driver for the Congatec Board Controller (CGBC)
backlight, providing brightness control via the board controller's
PWM interface
Improvements & Fixes:
- Resolve build failures in the Awinic AW99706 driver by switching to
the correct GPIO consumer header
- Extend the Qualcomm WLED driver to support the specific
over-voltage protection (OVP) values required for the PMI8994 and
PMI8950 variants
Device Tree Bindings Updates:
- Document the device-specific over-voltage protection (OVP)
millivolt ranges and default values for Qualcomm PMI8994 and
PMI8950 WLED controllers"
* tag 'backlight-next-6.20' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: qcom-wled: Change PM8950 WLED configurations
dt-bindings: backlight: qcom-wled: Document ovp values for PMI8950
backlight: qcom-wled: Support ovp values for PMI8994
dt-bindings: backlight: qcom-wled: Document ovp values for PMI8994
backlight: aw99706: Fix build errors caused by wrong gpio header
backlight: Add Congatec Board Controller (CGBC) backlight support
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"DT core:
- Sync dtc/libfdt with upstream v1.7.2-62-ga26ef6400bd8
- Add a for_each_compatible_node_scoped() loop and convert users in
cpufreq, dmaengine, clk, cdx, powerpc and Arm
- Simplify of/platform.c with scoped loop helpers
- Add fw_devlink tracking for "mmc-pwrseq"
- Optimize fw_devlink callback code size for pinctrl-N properties
- Replace strcmp_suffix() with strends()
DT bindings:
- Support building single binding targets
- Convert google,goldfish-fb, cznic,turris-mox-rwtm, ti,prm-inst
- Add bindings for Freescale AVIC, Realtek RTD1xxx system
controllers, Microchip 25AA010A EEPROM, OnSemi FIN3385, IEI
WT61P803 PUZZLE, Delta Electronics DPS-800-AB power supply,
Infineon IR35221 Digital Multi-phase Controller, Infineon PXE1610
Digital Dual Output 6+1 VR12.5 & VR13 CPU Controller,
socionext,uniphier-smpctrl, and xlnx,zynqmp-firmware
- Lots of trivial binding fixes to address warnings in DTS files.
These are mostly for arm64 platforms which is getting closer to be
warning free. Some public shaming has helped.
- Fix I2C bus node names in examples
- Drop obsolete brcm,vulcan-soc binding
- Drop unreferenced binding headers"
* tag 'devicetree-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (60 commits)
dt-bindings: interrupt-controller: Add compatiblie string fsl,imx(1|25|27|31|35)-avic
dt-bindings: soc: imx: add fsl,aips and fsl,emi compatible strings
dt-bindings: display: bridge: lt8912b: Drop reset gpio requirement
dt-bindings: firmware: fsl,scu: Mark multi-channel MU layouts as deprecated
cpufreq: s5pv210: Simplify with scoped for each OF child loop
dmaengine: fsl_raid: Simplify with scoped for each OF child loop
clk: imx: imx31: Simplify with scoped for each OF child loop
clk: imx: imx27: Simplify with scoped for each OF child loop
cdx: Use mutex guard to simplify error handling
cdx: Simplify with scoped for each OF child loop
powerpc/wii: Simplify with scoped for each OF child loop
powerpc/fsp2: Simplify with scoped for each OF child loop
ARM: exynos: Simplify with scoped for each OF child loop
ARM: at91: Simplify with scoped for each OF child loop
of: Add for_each_compatible_node_scoped() helper
dt-bindings: Fix emails with spaces or missing brackets
scripts/dtc: Update to upstream version v1.7.2-62-ga26ef6400bd8
dt-bindings: crypto: inside-secure,safexcel: Mandate only ring IRQs
dt-bindings: crypto: inside-secure,safexcel: Add SoC compatibles
of: reserved_mem: Fix placement of __free() annotation
...
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Convert the TI LM3697 LED driver binding to DT schema format. It's a
straight-forward conversion.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260121235746.370607-1-robh@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Document ovp values supported by wled found in PMI8950.
Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Daniel Thompson (RISCstar) <danielt@kernel.org>
Link: https://patch.msgid.link/20260116-pmi8950-wled-v3-3-e6c93de84079@mainlining.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Document ovp values supported by wled found in PMI8994.
Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Daniel Thompson (RISCstar) <danielt@kernel.org>
Link: https://patch.msgid.link/20260116-pmi8950-wled-v3-1-e6c93de84079@mainlining.org
Signed-off-by: Lee Jones <lee@kernel.org>
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The bindings are incomplete, as the GPIO/Audio Input pin
is still undocumented. The hardware used for testing this patch series
does not allow modification, so the mentioned pin has been omitted.
Signed-off-by: Lukas Timmermann <linux@timmermann.space>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20260118165010.902086-2-linux@timmermann.space
Signed-off-by: Lee Jones <lee@kernel.org>
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Document compatible for PMH0101 Torch and Flash LED controller.
Signed-off-by: Jingyi Wang <jingyi.wang@oss.qualcomm.com>
Signed-off-by: Jishnu Prakash <jishnu.prakash@oss.qualcomm.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20251215-knp-pmic-leds-v3-2-5e583f68b0e5@oss.qualcomm.com
Signed-off-by: Lee Jones <lee@kernel.org>
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Add support for PMH0101 PWM modules which are compatible with the PM8350c
PWM modules.
Signed-off-by: Jingyi Wang <jingyi.wang@oss.qualcomm.com>
Signed-off-by: Jishnu Prakash <jishnu.prakash@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20251215-knp-pmic-leds-v3-1-5e583f68b0e5@oss.qualcomm.com
Signed-off-by: Lee Jones <lee@kernel.org>
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In some cases, for example when using multiple instances of
leds-group-multicolor, a board may have multiple multi-leds which can't
be distinguished by unit address. In such cases it should be possible to
name them differently, for example multi-led-0 and multi-led-1. This
patch adds another node name pattern to leds-class-multicolor.yaml to
allow such names.
Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20260101-multi-led-v3-1-e29ca8dedd37@posteo.net
Signed-off-by: Lee Jones <lee@kernel.org>
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The LP5812 is a 4x3 RGB LED driver with an autonomous animation
engine and time-cross-multiplexing (TCM) support for up to 12 LEDs
or 4 RGB LEDs. It supports both analog (256 levels) and PWM (8-bit)
dimming, including exponential PWM for smooth brightness control.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Nam Tran <trannamatk@gmail.com>
Link: https://patch.msgid.link/20251221041950.4631-2-trannamatk@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
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This variant supports 3 channels with 4096 brightness steps.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251219154521.643312-2-daniel@zonque.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Add the IEI WT61P803 PUZZLE Device Tree bindings for MFD, HWMON and LED
drivers. A new vendor prefix is also added accordingly for
IEI Integration Corp.
Signed-off-by: Luka Kovacic <luka.kovacic@sartura.hr>
Signed-off-by: Pavo Banicevic <pavo.banicevic@sartura.hr>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Cc: Robert Marko <robert.marko@sartura.hr>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://patch.msgid.link/20210824124438.14519-2-luka.kovacic@sartura.hr
[robh: fix warnings from current tools]
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into gpio/for-next
Immutable branch between MFD, Clk, GPIO, Power, Regulator and RTC due for the v6.20 merge window
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Add the ROHM BD72720 documentation to the binding documents.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/b9854f77ee1dca8c99a9a9a198b79fbc76f8da67.1765804226.git.mazziesaccount@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
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The LP5860 is a LED matrix driver with 18 constant current sinks and 11
scan switches for 198 LED dots:
* Supply range from 2.7 V to 5.5 V
* 0.1mA - 50mA per current sink
* 1MHz I2C and 12MHz SPI control interface
* 8-bit analog dimming
* 8/16-bit PWM dimming
* individual ON and OFF control for each LED dot
* globat 3-bit Maximum Current setting for all LED dots
* individual LED dot open/short detection
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20251201-v6-14-topic-ti-lp5860-v6-1-be9a21218157@pengutronix.de
Signed-off-by: Lee Jones <lee@kernel.org>
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My name is stamped into maintainership for a big slew of DT
bindings. Now that it is changing, switch it over to my
kernel.org mail address, which will hopefully be stable for the
rest of my life.
Signed-off-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20251216-maintainers-dt-v1-1-0b5ab102c9bb@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"DT bindings:
- Convert lattice,ice40-fpga-mgr, apm,xgene-storm-dma,
brcm,sr-thermal, amazon,al-thermal, brcm,ocotp, mt8173-mdp, Actions
Owl SPS, Marvell AP80x System Controller, Marvell CP110 System
Controller, cznic,moxtet, and apm,xgene-slimpro-mbox to DT schema
format
- Add i.MX95 fsl,irqsteer, MT8365 Mali Bifrost GPU, Anvo ANV32C81W
EEPROM, and Microchip pic64gx PLIC
- Add missing LGE, AMD Seattle, and APM X-Gene SoC platform
compatibles
- Updates to brcm,bcm2836-l1-intc, brcm,bcm2835-hvs, and bcm2711-hdmi
bindings to fix warnings on BCM2712 platforms
- Drop obsolete db8500-thermal.txt
- Treewide clean-up of extra blank lines and inconsistent quoting
- Ensure all .dtbo targets are applied to a base .dtb
- Speed up dt_binding_check by skipping running validation on empty
examples
DT core:
- Add of_machine_device_match() and of_machine_get_match_data()
helpers and convert users treewide
- Fix bounds checking of address properties in FDT code. Rework the
code to have a single implementation of the bounds checks.
- Rework of_irq_init() to ignore any implicit interrupt-parent (i.e.
in a parent node) on nodes without an interrupt. This matches the
spec description and fixes some RISC-V platforms.
- Avoid a spurious message on overlay removal
- Skip DT kunit tests on RISCV+ACPI"
* tag 'devicetree-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (55 commits)
dt-bindings: kbuild: Skip validating empty examples
dt-bindings: interrupt-controller: brcm,bcm2836-l1-intc: Drop interrupt-controller requirement
dt-bindings: display: Fix brcm,bcm2835-hvs bindings for BCM2712
dt-bindings: display: bcm2711-hdmi: Add interrupt details for BCM2712
of: Skip devicetree kunit tests when RISCV+ACPI doesn't populate root node
soc: tegra: Simplify with of_machine_device_match()
soc: qcom: ubwc: Simplify with of_machine_get_match_data()
powercap: dtpm: Simplify with of_machine_get_match_data()
platform: surface: Simplify with of_machine_get_match_data()
irqchip/atmel-aic: Simplify with of_machine_get_match_data()
firmware: qcom: scm: Simplify with of_machine_device_match()
cpuidle: big_little: Simplify with of_machine_device_match()
cpufreq: sun50i: Simplify with of_machine_device_match()
cpufreq: mediatek: Simplify with of_machine_get_match_data()
cpufreq: dt-platdev: Simplify with of_machine_get_match_data()
of: Add wrappers to match root node with OF device ID tables
dt-bindings: eeprom: at25: Add Anvo ANV32C81W
of/reserved_mem: Simplify the logic of __reserved_mem_alloc_size()
of/reserved_mem: Simplify the logic of fdt_scan_reserved_mem_reg_nodes()
of/reserved_mem: Simplify the logic of __reserved_mem_reserve_reg()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Additions:
- Add support for Awinic AW99706 backlight driver
Fixes:
- Add GPIOLIB dependency to backlight ktd2801 driver
- Add devlink to LED Backlight's supplier LEDs to enforce correct
removal order and prevent NULL pointer dereferences
- Fix kernel-doc warnings in lp855x.h
Removals:
- Do not include <linux/fb.h> in backlight.h
- Fix unused function warnings from suspend/resume ops in aw99706.c
by switching to DEFINE_SIMPLE_DEV_PM_OPS and using pm_ptr()
Bindings:
- Add Awinic AW99706 backlight binding to MAINTAINERS
- Add Awinic AW99706 backlight binding documentation"
* tag 'backlight-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: aw99706: Fix unused function warnings from suspend/resume ops
backlight: lp855x: Fix lp855x.h kernel-doc warnings
dt-bindings: leds: backlight: Add Awinic AW99706 backlight
backlight: aw99706: Add support for Awinic AW99706 backlight
backlight: led-bl: Add devlink to supplier LEDs
backlight: ktd2801: Depend on GPIOLIB
backlight: Do not include <linux/fb.h> in header file
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Add Awinic AW99706 backlight binding documentation.
Signed-off-by: Junjie Cao <caojunjie650@gmail.com>
Reviewed-by: Daniel Thompson (RISCstar) <danielt@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251109032240.3422503-2-caojunjie650@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
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LPG channels can be used for only outputting PWM signals by routing to
PMIC GPIOs without enabling TRILED. Explain this usage in the description
for better clarity.
Signed-off-by: Fenglin Wu <fenglin.wu@oss.qualcomm.com>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://patch.msgid.link/20251119-lpg_triled_fix-v3-1-84b6dbdc774a@oss.qualcomm.com
Signed-off-by: Lee Jones <lee@kernel.org>
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Some PWM LED driver chips like TPS92380 and LT3743 require a separate
enable signal in addition to PWM control. Add this property to allow
device trees to specify such GPIO, which will be controlled
automatically by the driver based on the LED brightness state.
Signed-off-by: LI Qingwu <Qing-wu.Li@leica-geosystems.com.cn>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251117054511.730246-1-Qing-wu.Li@leica-geosystems.com.cn
Signed-off-by: Lee Jones <lee@kernel.org>
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Update Krzysztof Kozlowski's email address to kernel.org account to stay
reachable.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251021095354.86455-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Document compatible for PM7550 Torch and Flash LED controller.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://patch.msgid.link/20251023-sm7635-pmxr2230-v3-1-f70466c030fe@fairphone.com
Signed-off-by: Lee Jones <lee@kernel.org>
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Add default-brightness property to leds/common.yaml to establish a single
canonical definition for LED brightness initialization.
The property is currently defined locally in leds/leds-pwm.yaml and is
needed by auxdisplay/titanmec,tm16xx.yaml. Properties should be defined
in only one location to avoid type inconsistencies across bindings.
Signed-off-by: Jean-François Lessard <jefflessard3@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Lee Jones <lee@kernel.org>
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Convert the ArcticSand arc2c0608 LED driver to the dt-schema.
Signed-off-by: Harrison Carter <hcarter@thegoodpenguin.co.uk>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Lee Jones <lee@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"DT core:
- Update dtc to upstream version v1.7.2-35-g52f07dcca47c
- Add stub for of_get_next_child_with_prefix()
- Convert of_msi_map_id() callers to of_msi_xlate()
DT bindings:
- Convert multiple text board bindings to DT schema format
- Add bindings for synaptics,synaptics_i2c touchscreen controller,
innolux,n133hse-ea1 and nlt,nl12880bc20-spwg-24 displays, and NXP
vf610 reboot controller
- Add new Arm Cortex-A320/A520AE/A720AE and C1-Nano/Pro/Premium/Ultra
CPUs. Add missing Applied Micro CPU compatibles. Add pu-supply and
fsl,soc-operating-points properties for CPU nodes.
- Add QCom Glymur PDC and tegra264-agic interrupt controllers
- Add samsung,exynos8890-mali GPU to Arm Mali Midgard
- Drop Samsung S3C2410 display related bindings
- Allow separate DP lane and AUX connections in dp-connector
- Add some missing, undocumented vendor prefixes
- Add missing '#address-cells' properties in interrupt controller
bindings which dtc now warns about
- Drop duplicate socfpga-sdram-edac.txt, moxa,moxart-watchdog.txt,
fsl/mpic.txt, ti,opa362.txt, and cavium-thunder2.txt legacy text
bindings which are already covered by existing schemas.
- Various binding fixes for Mediatek platforms in mailbox, regulator,
pinctrl, timer, and display
- Drop work-around for yamllint quoting of values containing ','
- Various spelling, typo, grammar, and duplicated words fixes in DT
bindings and docs
- Add binding guidelines for defining properties at top level of
schemas, lack of node name ABI, and usage of simple-mfd"
* tag 'devicetree-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (81 commits)
dt-bindings: arm: altera: Drop socfpga-sdram-edac.txt
dt-bindings: gpu: Convert nvidia,gk20a to DT schema
dt-bindings: rng: sparc_sun_oracle_rng: convert to DT schema
dt-bindings: vendor-prefixes: update regex for properties without a prefix
dt-bindings: display: bridge: convert megachips-stdpxxxx-ge-b850v3-fw.txt to yaml
scripts: dt_to_config: fix grammar and a typo in --help text
dt-bindings: fix spelling, typos, grammar, duplicated words
docs: dt: fix grammar and spelling
of: base: Add of_get_next_child_with_prefix() stub
dt-bindings: trivial-devices: Add compatible string synaptics,synaptics_i2c
dt-bindings: soc: mediatek: pwrap: Add power-domains property
dt-bindings: pinctrl: mt65xx: Allow gpio-line-names
dt-bindings: media: Convert MediaTek mt8173-vpu bindings to DT schema
dt-bindings: arm: mediatek: Support mt8183-audiosys variant
dt-bindings: mailbox: mediatek,gce-mailbox: Make clock-names optional
dt-bindings: regulator: mediatek,mt6331: Add missing compatible
dt-bindings: regulator: mediatek,mt6331: Fix various regulator names
dt-bindings: regulator: mediatek,mt6332-regulator: Add missing compatible
dt-bindings: pinctrl: mediatek,mt7622-pinctrl: Add missing base reg
dt-bindings: pinctrl: mediatek,mt7622-pinctrl: Add missing pwm_ch7_2
...
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Signed-off-by: Markus Heidelberg <m.heidelberg@cab.de>
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Convert the ams,as3645a.txt to DT Schema format.
Signed-off-by: Harrison Carter <hcarter@thegoodpenguin.co.uk>
Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org>
Signed-off-by: Lee Jones <lee@kernel.org>
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A number of existing schemas use 'leds' property to provide
phandle-array of LED(s) to the consumer. Additionally, with the
upcoming privacy-led support in device-tree, v4l2 subnode could be a
LED consumer, meaning that all camera sensors should support 'leds'
and 'led-names' property via common 'video-interface-devices.yaml'.
To avoid duplication, unify 'leds' property from existing schemas
to newly introduced 'led-consumer.yaml'.
Signed-off-by: Aleksandrs Vinarskis <alex@vinarskis.com>
Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250910-leds-v5-2-bb90a0f897d5@vinarskis.com
Signed-off-by: Lee Jones <lee@kernel.org>
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Introduce common generic led consumer binding, where consumer defines
led(s) by phandle, as opposed to trigger-source binding where the
trigger source is defined in led itself.
Add already used in some schemas 'leds' parameter which expects
phandle-array. Additionally, introduce 'led-names' which could be used
by consumers to map LED devices to their respective functions.
Signed-off-by: Aleksandrs Vinarskis <alex@vinarskis.com>
Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250910-leds-v5-1-bb90a0f897d5@vinarskis.com
Signed-off-by: Lee Jones <lee@kernel.org>
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A common property unit suffix '-db' was added to dtschema, thus
in-kernel bindings should not reference the type.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250811-dt-bindings-db-v1-1-457301523bb5@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds
Pull LED updates from Lee Jones:
"Improvements & Fixes:
- A fix for QCOM Flash to prevent incorrect register access when the
driver is re-bound. This is solved by duplicating a static register
array during the probe function, which prevents register addresses
from being miscalculated after multiple binds
- The LP50xx driver now correctly handles the 'reg' property in
device tree child nodes to ensure the multi_index is set correctly.
This prevents issues where LEDs could be controlled incorrectly if
the device tree nodes were processed in a different order. An error
is returned if the reg property is missing or out of range
- Add a Kconfig dependency on between TPS6131x and
V4L2_FLASH_LED_CLASS to prevent a build failure when the driver is
built-in and the V4L2 flash infrastructure is a loadable module
- Fix a potential buffer overflow warning in PCA955x reported by
older GCC versions by using a more precise format specifier when
creating the default LED label.
Cleanups & Refactoring:
- Correct the MAINTAINERS file entry for the TPS6131X flash LED
driver to point to the correct device tree binding file name
- Fix a comment in the Flash Class for the flash_timeout setter to
"flash timeout" from "flash duration" for accuracy
- The of_led_get() function is no longer exported as it has no users
outside of its own module.
Removals:
- Revert the commit to configure LED blink intervals for hardware
offload in the Netdev Trigger. This change was found to break
existing PHY drivers by putting their LEDs into a permanent,
unconditional blinking state.
Device Tree Bindings Updates:
- Update the binding for LP50xx to document that the child reg
property is the index within the LED bank. The example was also
updated to use correct values
- Update the JNCP5623 binding to add 0x39 as a valid I2C address, as
it is used by the NCP5623C variant"
* tag 'leds-next-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds:
dt-bindings: leds: ncp5623: Add 0x39 as a valid I2C address
Revert "leds: trigger: netdev: Configure LED blink interval for HW offload"
leds: pca955x: Avoid potential overflow when filling default_label (take 2)
leds: Unexport of_led_get()
leds: tps6131x: Add V4L2_FLASH_LED_CLASS dependency
dt-bindings: leds: lp50xx: Document child reg, fix example
leds: leds-lp50xx: Handle reg to get correct multi_index
leds: led-class-flash:: Fix flash_timeout comment
MAINTAINERS: Adjust file entry in TPS6131X FLASH LED DRIVER
leds: flash: leds-qcom-flash: Fix registry access after re-bind
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DTS example in the bindings should be indented with 2- or 4-spaces and
aligned with opening '- |', so correct any differences like 3-spaces or
mixtures 2- and 4-spaces in one binding.
No functional changes here, but saves some comments during reviews of
new patches built on existing code.
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # For MMC
Acked-by: Lee Jones <lee@kernel.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> # renesas
Link: https://lore.kernel.org/r/20250107131456.247610-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250725100241.120106-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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The NCP5623C variant has the I2C address at 0x39 according its datasheet:
https://www.mouser.com/datasheet/2/308/NCP5623C-D-64591.pdf
Make 0x39 a valid I2C address in the dt-binding.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250703144644.2878253-1-festevam@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
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The led child reg node is the index within the bank, document that
and update the example accordingly.
The reg property in child node is limited to 0-2 since there are 3 leds
per bank, previous value in example was speculative.
Signed-off-by: Johan Adolfsson <johan.adolfsson@axis.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250617-led-fix-v7-2-cdbe8efc88fa@axis.com
Signed-off-by: Lee Jones <lee@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds
Pull LED updates from Lee Jones:
"LED Triggers:
- Allow writing "default" to the sysfs 'trigger' attribute to set an
LED to its default trigger
- If the default trigger is "none", writing "default" will remove the
current trigger
- Updated sysfs ABI documentation for the new "default" trigger
functionality
LED KUnit Testing:
- Provide a skeleton KUnit test suite for the LEDs framework
- Expand the LED class device registration KUnit test to cover more
scenarios, including 'brightness_get' behavior
- Add KUnit tests for the LED lookup and get API ('led_add_lookup',
'devm_led_get')
LED Flash Class:
- Add support for setting flash/strobe duration through a new
'duration_set' op and 'led_set_flash_duration()' function, aligning
with 'V4L2_CID_FLASH_DURATION'
Texas Instruments TPS6131x:
- Add a new driver for the TPS61310/TPS61311 flash LED controllers
- The driver supports the device's three constant-current sinks for
flash and torch modes
LED Core:
- Prevent potential 'snprintf()' truncations in LED names by checking
for buffer overflows
ChromeOS EC LEDs:
- Avoid a -Wflex-array-member-not-at-end GCC warning by replacing an
on-stack flexible structure definition with a utility function call
Multicolor LEDs:
- Fix issue where setting multi_intensity while software blinking is
active could stop blinking
PCA955x LEDs:
- Avoid potential buffer overflow when creating default labels by
changing a field's type to 'u8' and updating format specifiers
PCA995x LEDs:
- Fix a typo (stray space) in an 'of_device_id' entry in the
'pca995x_of_match' table
Kconfig:
- Prevent LED drivers from being enabled by default when
'COMPILE_TEST' is set
Device Property API:
- Split 'device_get_child_node_count()' into a new helper
'fwnode_get_child_node_count()' that doesn't require a device
struct, making the API more symmetrical
Driver Modernization (using 'fwnode_get_child_node_count()'):
- Update 'leds-pwm-multicolor', 'leds-ncp5623' and 'leds-ncp5623' to
use the new 'fwnode_get_child_node_count()' helper, removing their
custom implementation
- As above in the USB Type-C TCPM driver
Driver Modernization (using new GPIO setter callbacks):
- Convert 'leds-lgm-sso' to use new GPIO line value setter callbacks
which return an integer for error handling
- Convert 'leds-pca955x', 'leds-pca9532' and 'leds-tca6507' to use
new GPIO setter callbacks
Documentation:
- Remove the '.rst' extension for 'leds-st1202' in the documentation
index for consistency
LP8860 LEDs:
- Use 'regmap_multi_reg_write()' for EEPROM writes instead of manual
looping
- Use scoped mutex guards and 'devm_mutex_init()' to simplify
function exits and ensure automatic cleanup
- Remove default register definitions that are unused when regmap
caching is not active
- Use 'devm_regulator_get_enable_optional()' to handle the optional
regulator, simplifying enabling and removing manual disabling
- Refactor 'lp8860_unlock_eeprom()' to only perform the unlock
operation, removing the lock part and an unnecessary parameter
- Use a 'devm' action to disable the enable-GPIO, simplifying cleanup
and error paths, and remove the now-empty '.remove()' function
Turris Omnia LEDs:
- Drop unnecessary commas in terminator entries of 'struct attribute'
and 'struct of_device_id' arrays
MT6370 RGB LEDs:
- Use the 'LINEAR_RANGE()' for defining 'struct linear_range' entries
to improve robustness
Texas Instruments TPS6131x:
- Add new devicetree bindings for the TI TPS61310/TPS61311 flash LED
driver"
* tag 'leds-next-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (31 commits)
leds: tps6131x: Add support for Texas Instruments TPS6131X flash LED driver
dt-bindings: leds: Add Texas Instruments TPS6131x flash LED driver
leds: flash: Add support for flash/strobe duration
leds: rgb: leds-mt6370-rgb: Improve definition of some struct linear_range
leds: led-test: Provide tests for the lookup and get infrastructure
leds: led-test: Fill out the registration test to cover more test cases
leds: led-test: Remove standard error checking after KUNIT_ASSERT_*()
leds: pca995x: Fix typo in pca995x_of_match's of_device_id entry
leds: Provide skeleton KUnit testing for the LEDs framework
leds: tca6507: Use new GPIO line value setter callbacks
leds: pca9532: Use new GPIO line value setter callbacks
leds: pca955x: Use new GPIO line value setter callbacks
leds: lgm-sso: Use new GPIO line value setter callbacks
leds: Do not enable by default during compile testing
leds: turris-omnia: Drop commas in the terminator entries
leds: lp8860: Disable GPIO with devm action
leds: lp8860: Only unlock in lp8860_unlock_eeprom()
leds: lp8860: Enable regulator using enable_optional helper
leds: lp8860: Remove default regs when not caching
leds: lp8860: Use new mutex guards to cleanup function exits
...
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Document Texas Instruments TPS61310/TPS61311 flash LED driver devicetree
bindings.
Signed-off-by: Matthias Fend <matthias.fend@emfend.at>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250514-leds-tps6131x-v5-1-a4fb9e7f2c47@emfend.at
Signed-off-by: Lee Jones <lee@kernel.org>
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Add bindings for Texas Instruments' LP8864/LP8866 LED-backlight drivers.
Note that multiple channels in these models are used for load-balancing and
brightness is controlled gobally, so from a user perspective it's only one
LED.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
Link: https://lore.kernel.org/r/20241218210829.73191-2-alexander.sverdlin@siemens.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
- Apple DWI Backlight:
- Added devicetree bindings for backlight controllers on Apple's DWI
interface.
- Added a new driver (apple_dwi_bl) for these controllers found on
some Apple mobile devices.
- Added MAINTAINERS entries for the new driver.
- led_bl: Fixed a locking issue by holding the led_access lock when
calling led_sysfs_disable() during device removal to prevent
potential warnings.
- Removed unnecessary <linux/fb.h> includes from a bunch of drivers.
- tdo24m: Removed redundant whitespace in Kconfig description.
- pcf50633-backlight: Removed the driver as the underlying pcf50633 MFD
and s3c24xx platform support were removed.
* tag 'backlight-next-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: (22 commits)
backlight: pcf50633-backlight: Remove unused driver
backlight: tdo24m: Eliminate redundant whitespace
MAINTAINERS: Add entries for Apple DWI backlight controller
backlight: apple_dwi_bl: Add Apple DWI backlight driver
dt-bindings: leds: backlight: apple,dwi-bl: Add Apple DWI backlight
backlight: led_bl: Hold led_access lock when calling led_sysfs_disable()
backlight: wm831x_bl: Do not include <linux/fb.h>
backlight: vgg2432a4: Do not include <linux/fb.h>
backlight: tps65217_bl: Do not include <linux/fb.h>
backlight: max8925_bl: Do not include <linux/fb.h>
backlight: lv5207lp: Do not include <linux/fb.h>
backlight: locomolcd: Do not include <linux/fb.h>
backlight: hp680_bl: Do not include <linux/fb.h>
backlight: ep93xx_bl: Do not include <linux/fb.h>
backlight: da9052_bl: Do not include <linux/fb.h>
backlight: da903x_bl: Do not include <linux/fb.h>
backlight: bd6107_bl: Do not include <linux/fb.h>
backlight: as3711_bl: Do not include <linux/fb.h>
backlight: adp8870_bl: Do not include <linux/fb.h>
backlight: adp8860_bl: Do not include <linux/fb.h>
...
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The PM8937 PWM modules are compatible with the PM8916 PWM modules,
document the PM8937 PWM compatible as fallback for the PM8916 PWM.
Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250213-pm8937-pwm-v2-1-49ea59801a33@mainlining.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Add backlight controllers attached via Apple DWI 2-wire interface.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: "Daniel Thompson (RISCstar)" <danielt@kernel.org>
Signed-off-by: Nick Chan <towinchenmi@gmail.com>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Link: https://lore.kernel.org/r/20250214040306.16312-2-towinchenmi@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
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Convert binding doc leds-tlc591xx.txt to yaml format to fix below DTB_CHECK
warning.
arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-proton2s.dtb:
/soc@0/bus@30800000/i2c@30a30000/tlc59108@40: failed to match any schema with compatible: ['ti,tlc59108']
Additional change:
- ref to common.yaml for child nodes.
- limit child's reg to 0 - 7 for ti,tlc59108.
- fix typo 'linux,default_trigger' in example.
- change child node name's prefix to led-.
- change nodename to led-controller.
- fix properties order in example.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250107161628.121685-1-Frank.Li@nxp.com
Signed-off-by: Lee Jones <lee@kernel.org>
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Convert Texas Instruments' LP8860 LED driver bindings into YAML format.
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
Acked-by: Andrew Davis <afd@ti.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20241218210631.72997-1-alexander.sverdlin@siemens.com
Signed-off-by: Lee Jones <lee@kernel.org>
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The LED1202 is a 12-channel low quiescent current LED driver with:
* Supply range from 2.6 V to 5 V
* 20 mA current capability per channel
* 1.8 V compatible I2C control interface
* 8-bit analog dimming individual control
* 12-bit local PWM resolution
* 8 programmable patterns
If the led node is present in the controller then the channel is
set to active.
Signed-off-by: Vicentiu Galanopulo <vicentiu.galanopulo@remote-tech.co.uk>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241218183401.41687-3-vicentiu.galanopulo@remote-tech.co.uk
Signed-off-by: Lee Jones <lee@kernel.org>
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Extend the cznic,turris-omnia-leds binding with interrupts property,
specifying the global LED brightness changed by button press interrupt.
Signed-off-by: Marek Behún <kabel@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241111100355.6978-6-kabel@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
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