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/Documentation/arch/s390/
Dpci.rst1 .. SPDX-License-Identifier: GPL-2.0
8 - Pierre Morel
17 -----------------------
25 Ignore the RID field and force use of one PCI domain per PCI function.
28 ---------------
36 - /sys/kernel/debug/s390dbf/pci_msg/sprintf
52 The slot entries are set up using the function identifier (FID) of the
53 PCI function. The format depicted as XXXXXXXX above is 8 hexadecimal digits
56 - /sys/bus/pci/slots/XXXXXXXX/power
58 A physical function that currently supports a virtual function cannot be
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/Documentation/devicetree/bindings/mfd/
Dretu.txt1 * Device tree bindings for Nokia Retu and Tahvo multi-function device
3 Retu and Tahvo are a multi-function devices found on Nokia Internet
9 - compatible: "nokia,retu" or "nokia,tahvo"
10 - reg: Specifies the CBUS slave address of the ASIC chip
11 - interrupts: The interrupt line the device is connected to
16 compatible = "i2c-cbus-gpio";
20 interrupt-parent = <&gpio4>;
Dxylon,logicvc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Xylon LogiCVC multi-function device
11 - Paul Kocialkowski <paul.kocialkowski@bootlin.com>
15 As a result, a multi-function device is exposed as parent of the display
21 - enum:
22 - xylon,logicvc-3.02.a
23 - const: syscon
24 - const: simple-mfd
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Dst,stmfx.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: STMicroelectonics Multi-Function eXpander (STMFX)
9 description: ST Multi-Function eXpander (STMFX) is a slave controller using I2C for
15 - Amelie Delaunay <amelie.delaunay@foss.st.com>
19 const: st,stmfx-0300
27 drive-open-drain: true
29 vdd-supply: true
36 const: st,stmfx-0300-pinctrl
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Diqs62x.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Azoteq IQS620A/621/622/624/625 Multi-Function Sensors
10 - Jeff LaBundy <jeff@labundy.com>
13 The Azoteq IQS620A, IQS621, IQS622, IQS624 and IQS625 multi-function sensors
21 - azoteq,iqs620a
22 - azoteq,iqs621
23 - azoteq,iqs622
24 - azoteq,iqs624
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/Documentation/devicetree/bindings/leds/
Dcznic,turris-omnia-leds.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/leds/cznic,turris-omnia-leds.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marek Behún <kabel@kernel.org>
20 const: cznic,turris-omnia-leds
26 "#address-cells":
29 "#size-cells":
33 "^multi-led@[0-9a-b]$":
35 $ref: leds-class-multicolor.yaml#
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Dleds-pwm-multicolor.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-pwm-multicolor.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Multi-color LEDs connected to PWM
10 - Sven Schwermer <sven.schwermer@disruptive-technologies.com>
13 This driver combines several monochrome PWM LEDs into one multi-color
18 const: pwm-leds-multicolor
20 multi-led:
22 $ref: leds-class-multicolor.yaml#
[all …]
Dleds-lp50xx.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-lp50xx.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andrew Davis <afd@ti.com>
13 The LP50XX is multi-channel, I2C RGB LED Drivers that can group RGB LEDs into
27 - ti,lp5009
28 - ti,lp5012
29 - ti,lp5018
30 - ti,lp5024
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Dleds-group-multicolor.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-group-multicolor.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Multi-color LED built with monochromatic LEDs
10 - Jean-Jacques Hiblot <jjhiblot@traphandler.com>
13 This driver combines several monochromatic LEDs into one multi-color
18 const: leds-group-multicolor
23 $ref: /schemas/types.yaml#/definitions/phandle-array
26 - leds
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Dleds-mt6360.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-mt6360.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Gene Chen <gene_chen@richtek.com>
15 Add MT6360 LED driver include 2-channel Flash LED with torch/strobe mode,
16 and 4-channel RGB LED support Register/Flash/Breath Mode
20 const: mediatek,mt6360-led
22 "#address-cells":
25 "#size-cells":
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Dkinetic,ktd202x.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - André Apitzsch <git@apitzsch.eu>
16 https://www.kinet-ic.com/uploads/KTD2026-7-04h.pdf
21 - kinetic,ktd2026
22 - kinetic,ktd2027
27 vin-supply:
30 vio-supply:
31 description: Regulator providing power for pull-up of the I/O lines.
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Dleds-qcom-lpg.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-qcom-lpg.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bjorn Andersson <bjorn.andersson@linaro.org>
20 - enum:
21 - qcom,pm660l-lpg
22 - qcom,pm8150b-lpg
23 - qcom,pm8150l-lpg
24 - qcom,pm8350c-pwm
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/Documentation/core-api/
Dxarray.rst1 .. SPDX-License-Identifier: GPL-2.0+
15 next or previous entry in a cache-efficient manner. In contrast to a
17 order to grow the array. It is more memory-efficient, parallelisable
18 and cache friendly than a doubly-linked list. It takes advantage of
28 Normal pointers may be stored in the XArray directly. They must be 4-byte
30 alloc_page(). It isn't true for arbitrary user-space pointers,
31 nor for function pointers. You can store pointers to statically allocated
54 the range. Storing to any index will store to all of them. Multi-index
63 allocated ones. A freshly-initialised XArray contains a ``NULL``
82 returns ``-EBUSY`` if the entry is not empty.
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/Documentation/devicetree/bindings/pinctrl/
Dmarvell,mvebu-pinctrl.txt3 The pinctrl driver enables Marvell SoCs to configure the multi-purpose pins
4 (mpp) to a specific function. For each SoC family there is a SoC specific
7 Please refer to pinctrl-bindings.txt in this directory for details of the
12 be used for a specific device or function. Each node requires one or more
13 mpp pins or group of pins and a mpp function common to all pins.
16 - compatible: "marvell,<soc>-pinctrl"
17 Please refer to each marvell,<soc>-pinctrl.txt binding doc for supported SoCs.
20 - marvell,pins: string array of mpp pins or group of pins to be muxed.
21 - marvell,function: string representing a function to mux to for all
22 marvell,pins given in this pin configuration node. The function has to be
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/Documentation/devicetree/bindings/timer/
Drenesas,mtu2.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Renesas Multi-Function Timer Pulse Unit 2 (MTU2)
10 - Geert Uytterhoeven <geert+renesas@glider.be>
11 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
14 The MTU2 is a multi-purpose, multi-channel timer/counter with configurable clock inputs
23 - enum:
24 - renesas,mtu2-r7s72100 # RZ/A1H
25 - const: renesas,mtu2
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/Documentation/devicetree/bindings/rtc/
Drtc-mt6397.txt1 Device-Tree bindings for MediaTek PMIC based RTC
3 MediaTek PMIC based RTC is an independent function of MediaTek PMIC that works
4 as a type of multi-function device (MFD). The RTC can be configured and set up
15 - compatible: Should be one of follows
16 "mediatek,mt6323-rtc": for MT6323 PMIC
17 "mediatek,mt6358-rtc": for MT6358 PMIC
18 "mediatek,mt6366-rtc", "mediatek,mt6358-rtc": for MT6366 PMIC
19 "mediatek,mt6397-rtc": for MT6397 PMIC
29 compatible = "mediatek,mt6323-rtc";
/Documentation/userspace-api/media/v4l/
Dfunc-munmap.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 .. _func-munmap:
13 v4l2-munmap - Unmap device memory
18 .. code-block:: c
23 .. c:function:: int munmap( void *start, size_t length )
30 :c:func:`mmap()` function.
36 single-planar API and in the struct
38 multi-planar API.
43 Unmaps a previously with the :c:func:`mmap()` function mapped
49 On success :c:func:`munmap()` returns 0, on failure -1 and the
Dfunc-mmap.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 .. _func-mmap:
13 v4l2-mmap - Map device memory into application address space
18 .. code-block:: c
23 .. c:function:: void *mmap( void *start, size_t length, int prot, int flags, int fd, off_t offset )
39 single-planar API, and the same value as returned by the driver in
41 the multi-planar API.
55 :c:func:`mmap()` function fails.
77 other (e. g. child-) processes.
83 copy-on-write semantics. V4L2 applications should not set the
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Dmmap.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
22 memory on a graphics card with a video capture add-on. However, being
24 drivers support streaming as well, allocating buffers in DMA-able main
39 address space with the :c:func:`mmap()` function. The
41 :ref:`VIDIOC_QUERYBUF` ioctl. In the single-planar
44 parameter to the :c:func:`mmap()` function. When using the
45 multi-planar API, struct :c:type:`v4l2_buffer` contains an
48 multi-planar API, every plane of every buffer has to be mapped
54 possible with the :c:func:`munmap()` function.
56 Example: Mapping buffers in the single-planar API
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/Documentation/devicetree/bindings/hwmon/
Dkontron,sl28cpld-hwmon.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/hwmon/kontron,sl28cpld-hwmon.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Walle <michael@walle.cc>
13 This module is part of the sl28cpld multi-function device. For more
19 - kontron,sl28cpld-fan
25 - compatible
/Documentation/devicetree/bindings/pwm/
Diqs620a-pwm.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pwm/iqs620a-pwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jeff LaBundy <jeff@labundy.com>
13 The Azoteq IQS620A multi-function sensor generates a fixed-frequency PWM
19 - $ref: pwm.yaml#
24 - azoteq,iqs620a-pwm
26 "#pwm-cells":
30 - compatible
Dkontron,sl28cpld-pwm.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pwm/kontron,sl28cpld-pwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Walle <michael@walle.cc>
13 This module is part of the sl28cpld multi-function device. For more
20 - $ref: pwm.yaml#
24 const: kontron,sl28cpld-pwm
29 "#pwm-cells":
33 - compatible
/Documentation/devicetree/bindings/reset/
Ddelta,tn48m-reset.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/reset/delta,tn48m-reset.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Robert Marko <robert.marko@sartura.hr>
13 This module is part of the Delta TN48M multi-function device. For more
14 details see ../mfd/delta,tn48m-cpld.yaml.
19 * 98DX3265 switch MAC-s
20 * 88E1680 PHY-s
26 const: delta,tn48m-reset
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/Documentation/devicetree/bindings/watchdog/
Dkontron,sl28cpld-wdt.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/watchdog/kontron,sl28cpld-wdt.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Walle <michael@walle.cc>
13 This module is part of the sl28cpld multi-function device. For more
17 - $ref: watchdog.yaml#
21 const: kontron,sl28cpld-wdt
26 kontron,assert-wdt-timeout-pin:
33 - compatible
/Documentation/devicetree/bindings/gpio/
Ddelta,tn48m-gpio.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/gpio/delta,tn48m-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Robert Marko <robert.marko@sartura.hr>
13 This module is part of the Delta TN48M multi-function device. For more
14 details see ../mfd/delta,tn48m-cpld.yaml.
17 It provides 12 pins in total, they are input-only or ouput-only type.
22 - delta,tn48m-gpo
23 - delta,tn48m-gpi
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