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/Documentation/devicetree/bindings/input/
Dgpio-matrix-keypad.txt6 keypad can sense a key-press and key-release by means of GPIO lines and
10 - compatible: Should be "gpio-matrix-keypad"
11 - row-gpios: List of gpios used as row lines. The gpio specifier
14 - col-gpios: List of gpios used as column lines. The gpio specifier
17 - linux,keymap: The definition can be found at
18 bindings/input/matrix-keymap.txt
21 - linux,no-autorepeat: do no enable autorepeat feature.
22 - wakeup-source: use any event on keypad as wakeup event.
23 (Legacy property supported: "linux,wakeup")
24 - debounce-delay-ms: debounce interval in milliseconds
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Dnvidia,tegra20-kbc.txt7 - compatible: "nvidia,tegra20-kbc"
8 - reg: Register base address of KBC.
9 - interrupts: Interrupt number for the KBC.
10 - nvidia,kbc-row-pins: The KBC pins which are configured as row. This is an
12 - nvidia,kbc-col-pins: The KBC pins which are configured as column. This is an
14 - linux,keymap: The keymap for keys as described in the binding document
15 devicetree/bindings/input/matrix-keymap.txt.
16 - clocks: Must contain one entry, for the module clock.
17 See ../clocks/clock-bindings.txt for details.
18 - resets: Must contain an entry for each entry in reset-names.
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Dqcom,pm8921-keypad.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/qcom,pm8921-keypad.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
13 - $ref: input.yaml#
14 - $ref: matrix-keymap.yaml#
19 - qcom,pm8058-keypad
20 - qcom,pm8921-keypad
27 - description: key sense
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Dmediatek,mt6779-keypad.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/mediatek,mt6779-keypad.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mattijs Korpershoek <mkorpershoek@baylibre.com>
13 - $ref: /schemas/input/matrix-keymap.yaml#
16 Mediatek's Keypad controller is used to interface a SoC with a matrix-type
19 The keypad controller can sense a key-press and key-release and report the
25 - const: mediatek,mt6779-keypad
26 - items:
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Dsyna,rmi4.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jason A. Donenfeld <Jason@zx2c4.com>
11 - Matthias Schiffer <matthias.schiffer@ew.tq-group.com
12 - Vincent Huang <vincent.huang@tw.synaptics.com>
22 - syna,rmi4-i2c
23 - syna,rmi4-spi
28 '#address-cells':
31 '#size-cells':
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Dhid-over-i2c.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/input/hid-over-i2c.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Benjamin Tissoires <benjamin.tissoires@redhat.com>
11 - Jiri Kosina <jkosina@suse.cz>
19 https://msdn.microsoft.com/en-us/library/windows/hardware/hh852380.aspx
21 If this binding is used, the kernel module i2c-hid will handle the communication
25 - $ref: /schemas/input/touchscreen/touchscreen.yaml#
30 - items:
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/Documentation/devicetree/bindings/sound/
Drockchip,rk3399-gru-sound.txt4 - compatible: "rockchip,rk3399-gru-sound"
5 - rockchip,cpu: The phandle of the Rockchip I2S controller that's
7 - rockchip,codec: The phandle of the audio codecs
10 - dmic-wakeup-delay-ms : specify delay time (ms) for DMIC ready.
12 delay for DMIC to ready so that rt5514 can avoid recording before
18 compatible = "rockchip,rk3399-gru-sound";
21 dmic-wakeup-delay-ms = <20>;
Ddmic-codec.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/sound/dmic-codec.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
13 - $ref: dai-common.yaml#
17 const: dmic-codec
19 '#sound-dai-cells':
22 dmicen-gpios:
26 num-channels:
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Dadi,adau7002.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices ADAU7002 Stereo PDM-to-I2S/TDM Converter
10 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
13 - $ref: dai-common.yaml#
19 IOVDD-supply:
24 wakeup-delay-ms:
26 Delay after power up needed for device to settle.
29 - compatible
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Drealtek,rt5514.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Animesh Agarwal <animeshagarwal28@gmail.com>
24 - $ref: /schemas/spi/spi-peripheral-props.yaml#
25 - $ref: dai-common.yaml#
36 - description: Master clock to the CODEC
38 clock-names:
40 - const: mclk
46 realtek,dmic-init-delay-ms:
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/Documentation/devicetree/bindings/extcon/
Dextcon-palmas.txt5 - compatible: should contain one of:
6 * "ti,palmas-usb-vid".
7 * "ti,twl6035-usb-vid".
8 * "ti,palmas-usb" (DEPRECATED - use "ti,palmas-usb-vid").
9 * "ti,twl6035-usb" (DEPRECATED - use "ti,twl6035-usb-vid").
12 - ti,wakeup : To enable the wakeup comparator in probe
13 - ti,enable-id-detection: Perform ID detection. If id-gpio is specified
14 it performs id-detection using GPIO else using OTG core.
15 - ti,enable-vbus-detection: Perform VBUS detection.
16 - id-gpio: gpio for GPIO ID detection. See gpio binding.
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/Documentation/devicetree/bindings/power/reset/
Datmel,sama5d2-shdwc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/reset/atmel,sama5d2-shdwc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Claudiu Beznea <claudiu.beznea@microchip.com>
14 and VDDCORE and the wake-up detection on debounced input lines.
19 - items:
20 - const: microchip,sama7g5-shdwc
21 - const: syscon
22 - enum:
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/Documentation/devicetree/bindings/regulator/
Drichtek,rtmv20-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/richtek,rtmv20-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - ChiYuan Huang <cy_huang@richtek.com>
27 wakeup-source: true
32 enable-gpios:
36 richtek,ld-pulse-delay-us:
38 load current pulse delay in microsecond after strobe pin pulse high.
43 richtek,ld-pulse-width-us:
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/Documentation/timers/
Dtimers-howto.rst2 delays - Information on the various kernel delay / sleep mechanisms
6 RightWay (TM) to insert a delay?"
14 ----------------
18 it really need to delay in atomic context?" If so...
21 You must use the `*delay` family of functions. These
24 the desired delay:
30 udelay is the generally preferred API; ndelay-level
31 precision may not actually exist on many non-PC devices.
38 NON-ATOMIC CONTEXT:
45 -- Backed by busy-wait loop:
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/Documentation/devicetree/bindings/mfd/
Dtc3589x.txt1 * Toshiba TC3589x multi-purpose expander
3 The Toshiba TC3589x series are I2C-based MFD devices which may expose the
4 following built-in devices: gpio, keypad, rotator (vibrator), PWM (for
7 - TC35890
8 - TC35892
9 - TC35893
10 - TC35894
11 - TC35895
12 - TC35896
15 - compatible : must be "toshiba,tc35890", "toshiba,tc35892", "toshiba,tc35893",
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Dmaxim,max77802.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Javier Martinez Canillas <javier@dowhile0.org>
11 - Krzysztof Kozlowski <krzk@kernel.org>
18 current regulators (10 high efficiency Buck regulators and 32 Low-DropOut
23 in dt-bindings/clock/maxim,max77802.h.
29 '#clock-cells':
43 inb1-supply:
45 inb2-supply:
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Dsamsung,s2mpa01.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
17 and current regulators, RTC, clock outputs and other sub-blocks.
21 const: samsung,s2mpa01-pmic
34 wakeup-source: true
37 - compatible
38 - reg
39 - regulators
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Dgoogle,cros-ec.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mfd/google,cros-ec.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Benson Leung <bleung@chromium.org>
11 - Guenter Roeck <groeck@chromium.org>
22 - description:
24 const: google,cros-ec-i2c
25 - description:
27 const: google,cros-ec-spi
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/Documentation/devicetree/bindings/mmc/
Dmtk-sd.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mmc/mtk-sd.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Chaotian Jing <chaotian.jing@mediatek.com>
11 - Wenbin Mei <wenbin.mei@mediatek.com>
16 - enum:
17 - mediatek,mt2701-mmc
18 - mediatek,mt2712-mmc
19 - mediatek,mt6779-mmc
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/Documentation/driver-api/usb/
Dpower-management.rst1 .. _usb-power-management:
7 :Date: Last-updated: February 2014
11 ---------
13 * What is Remote Wakeup?
17 * Changing the default idle-delay time
31 -------------------------
35 component is ``suspended`` it is in a nonfunctional low-power state; it
37 ``resumed`` (returned to a functional full-power state) when the kernel
66 What is Remote Wakeup?
67 ----------------------
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/Documentation/devicetree/bindings/input/touchscreen/
Dti,ads7843.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alexander Stein <alexander.stein@ew.tq-group.com>
11 - Dmitry Torokhov <dmitry.torokhov@gmail.com>
12 - Marek Vasut <marex@denx.de>
21 - ti,ads7843
22 - ti,ads7845
23 - ti,ads7846
24 - ti,ads7873
[all …]
/Documentation/devicetree/bindings/media/
Dgpio-ir-receiver.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/media/gpio-ir-receiver.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
13 - $ref: rc.yaml#
17 const: gpio-ir-receiver
22 linux,autosuspend-period:
23 description: autosuspend delay time in milliseconds
26 wakeup-source:
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/Documentation/ABI/testing/
Dsysfs-devices-power9 What: /sys/devices/.../power/wakeup
13 The /sys/devices/.../power/wakeup attribute allows the user
19 Some devices support "wakeup" events, which are hardware signals
21 have one of the following two values for the sysfs power/wakeup
31 For the devices that are not capable of generating system wakeup
40 space to control the run-time power management of the device.
61 with the main suspend/resume thread) during system-wide power
85 of signaled wakeup events associated with the device. This
86 attribute is read-only. If the device is not capable to wake up
96 number of times the processing of wakeup events associated with
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/Documentation/devicetree/bindings/cpu/
Didle-states.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/cpu/idle-states.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
11 - Anup Patel <anup@brainfault.org>
15 1 - Introduction
18 ARM and RISC-V systems contain HW capable of managing power consumption
19 dynamically, where cores can be put in different low-power states (ranging
22 run-time, can be specified through device tree bindings representing the
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/Documentation/power/
Dcharger-manager.rst7 Charger Manager provides in-kernel battery charger management that
8 requires temperature monitoring during suspend-to-RAM state
12 Charger Manager is a platform_driver with power-supply-class entries.
13 An instance of Charger Manager (a platform-device created with Charger-Manager)
26 own power-supply-class and each power-supply-class can provide
28 aggregates charger-related information from multiple sources and
29 shows combined information as a single power-supply-class.
31 * Support for in suspend-to-RAM polling (with suspend_again callback)
32 While the battery is being charged and the system is in suspend-to-RAM,
50 * Support for premature full-battery event handling
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