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/Documentation/devicetree/bindings/mmc/
Dcdns,sdhci.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Masahiro Yamada <yamada.masahiro@socionext.com>
15 - enum:
16 - amd,pensando-elba-sd4hc
17 - microchip,mpfs-sd4hc
18 - socionext,uniphier-sd4hc
19 - const: cdns,sd4hc
34 # PHY DLL input delays:
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/Documentation/arch/sparc/oradax/
Ddax-hv-api.txt3 Publication date 2017-09-25 08:21
5 Extracted via "pdftotext -f 547 -l 572 -layout sun4v_20170925.pdf"
16 live-migration and other system management activities.
20 …high speed processoring of database-centric operations. The coprocessors may support one or more of
28 …e Completion Area and, unless execution order is specifically restricted through the use of serial-
45 …device node in the guest MD (Section 8.24.17, “Database Analytics Accelerators (DAX) virtual-device
51 36.1.1.1. "ORCL,sun4v-dax" Device Compatibility
54 • No-op/Sync
58 • Scan Value
60 • Inverted Scan Value
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/Documentation/hid/
Dhid-sensor.rst20 INPUT(1)[INPUT]
26 Logical Minimum(-32767)
35 The report is indicating "sensor page (0x20)" contains an accelerometer-3D (0x73).
36 This accelerometer-3D has some fields. Here for example field 2 is motion intensity
37 (0x045f) with a logical minimum value of -32767 and logical maximum of 32767. The
38 order of fields and length of each field is important as the input event raw
46 data fields. It is difficult to have a common input event to user space applications,
51 - Core HID driver
52 - Individual sensor processing part (sensor drivers)
55 -----------
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/Documentation/devicetree/bindings/phy/
Dqcom,usb-snps-femto-v2.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/phy/qcom,usb-snps-femto-v2.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm Synopsys Femto High-Speed USB PHY V2
10 - Wesley Cheng <quic_wcheng@quicinc.com>
13 Qualcomm High-Speed USB PHY
18 - items:
19 - enum:
20 - qcom,sa8775p-usb-hs-phy
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/Documentation/input/
Devent-codes.rst1 .. _input-event-codes:
4 Input event codes
8 The input protocol uses a map of types and codes to express input device values
12 A single hardware event generates multiple input events. Each input event
13 contains the new value of a single data item. A special event type, EV_SYN, is
14 used to separate input events into packets of input data changes occurring at
16 input event encompassing a type, code, and value.
18 The input protocol is a stateful protocol. Events are emitted only when values
20 input subsystem; drivers do not need to maintain the state and may attempt to
22 event code values using the EVIOCG* ioctls defined in linux/input.h. The event
[all …]
Dinput-programming.rst2 Creating an input device driver
8 Here comes a very simple example of an input device driver. The device has
12 #include <linux/input.h>
34 return -EBUSY;
40 error = -ENOMEM;
44 button_dev->evbit[0] = BIT_MASK(EV_KEY);
45 button_dev->keybit[BIT_WORD(BTN_0)] = BIT_MASK(BTN_0);
74 First it has to include the <linux/input.h> file, which interfaces to the
75 input subsystem. This provides all the definitions needed.
81 Then it allocates a new input device structure with input_allocate_device()
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/Documentation/devicetree/bindings/input/
Dgpio-keys.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/input/gpio-keys.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <robh@kernel.org>
15 - gpio-keys
16 - gpio-keys-polled
23 poll-interval: true
26 …"^(button|event|key|switch|(button|event|key|switch)-[a-z0-9-]+|[a-z0-9-]+-(button|event|key|switc…
27 $ref: input.yaml#
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/Documentation/devicetree/bindings/hwmon/
Dti,ina3221.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jean Delvare <jdelvare@suse.com>
11 - Guenter Roeck <linux@roeck-us.net>
20 ti,single-shot:
22 This chip has two power modes: single-shot (chip takes one measurement
25 hardware monitor type device, but the single-shot mode is more power-
26 friendly and useful for battery-powered device which cares power
29 If this property is present, the single-shot mode will be used, instead
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/Documentation/hwmon/
Dbel-pfe.rst1 Kernel driver bel-pfe
10 Addresses scanned: -
12 … Datasheet: https://www.belfuse.com/resources/datasheets/powersolutions/ds-bps-pfe1100-12-054xa.pdf
18 Addresses scanned: -
20 Datasheet: https://www.belfuse.com/resources/datasheets/powersolutions/ds-bps-pfe3000-series.pdf
26 -----------
33 1100 Watt AC to DC power-factor-corrected (PFC) power supply.
38 3000 Watt AC/DC power-factor-corrected (PFC) and DC-DC power supply.
46 -----------
48 This driver does not auto-detect devices. You will have to instantiate the
[all …]
Dda9055.rst14 -----------
17 resolution and track and hold circuitry combined with an analogue input
18 multiplexer. The analogue input multiplexer will allow conversion of up to 5
19 different inputs. The track and hold circuit ensures stable input voltages at
20 the input of the ADC during the conversion.
24 - Channel 0: VDDOUT - measurement of the system voltage
25 - Channel 1: ADC_IN1 - high impedance input (0 - 2.5V)
26 - Channel 2: ADC_IN2 - high impedance input (0 - 2.5V)
27 - Channel 3: ADC_IN3 - high impedance input (0 - 2.5V)
28 - Channel 4: Internal Tjunc. - sense (internal temp. sensor)
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/Documentation/admin-guide/media/
Dmgb4.rst1 .. SPDX-License-Identifier: GPL-2.0
7 ---------------
13 There are two types of parameters - global / PCI card related, found under
23 | 0 - No module present
24 | 1 - FPDL3
25 | 2 - GMSL
33 | 1 - FPDL3
34 | 2 - GMSL
42 PRODUCT-REVISION-SERIES-SERIAL
46 Common FPDL3/GMSL input parameters
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/Documentation/input/devices/
Dcma3000_d0x.rst1 CMA3000-D0x Accelerometer
5 * VTI CMA3000-D0x
8 CMA3000-D0X Product Family Specification 8281000A.02.pdf
15 -----------
17 CMA3000 Tri-axis accelerometer supports Motion detect, Measurement and
33 which includes time and g value. Refer product specifications for
41 Driver reports acceleration data through input subsystem. It generates ABS_MISC
42 event with value 1 when free fall is detected.
47 -------------
65 Motion detect g range threshold value
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/Documentation/ABI/testing/
Dconfigfs-usb-gadget-uac21 What: /config/usb-gadget/gadget/functions/uac2.name
9 c_srate list of capture sampling rates (comma-separated)
11 c_hs_bint capture bInterval for HS/SS (1-4: fixed, 0: auto)
16 c_volume_min capture volume control min value
18 c_volume_max capture volume control max value
24 p_srate list of playback sampling rates (comma-separated)
26 p_hs_bint playback bInterval for HS/SS (1-4: fixed, 0: auto)
29 p_volume_min playback volume control min value
31 p_volume_max playback volume control max value
35 req_number the number of pre-allocated requests
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Dsysfs-bus-iio-adc-envelope-detector7 voltage input signal by a binary search using the output
12 input +------>-------|+ \
14 .-------. | }---.
16 | dac|-->--|- / |
20 | irq|------<-------'
22 '-------'
25 input signal is centered around the maximum value of the
30 opposite value.
38 step of the binary search for the input peak level. Needs
39 to relate to the frequency of the input signal.
Dsysfs-bus-iio-adc-hi84357 Could be either "GND-Open" or "Supply-Open" mode. Y is a
8 threshold detector input channel. Channels 0..7, 8..15, 16..23
16 Channel Y low voltage threshold. If sensor input voltage goes lower then
17 this value then the threshold falling event is pushed.
19 is separately set for "GND-Open" and "Supply-Open" modes.
27 If falling threshold results hysteresis to odd value then rising
35 Channel Y high voltage threshold. If sensor input voltage goes higher then
36 this value then the threshold rising event is pushed.
38 is separately set for "GND-Open" and "Supply-Open" modes.
47 If rising threshold results hysteresis to odd value then falling
Dsysfs-devices-platform-trackpoint4 Contact: linux-input@vger.kernel.org
11 Contact: linux-input@vger.kernel.org
19 Contact: linux-input@vger.kernel.org
21 (RW) Backup range for z-axis press.
26 Contact: linux-input@vger.kernel.org
29 z-axis pressed.
34 Contact: linux-input@vger.kernel.org
41 Contact: linux-input@vger.kernel.org
48 Contact: linux-input@vger.kernel.org
50 (RW) Minimum value for z-axis force required to trigger a press
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/Documentation/netlink/specs/
Ddpll.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
8 -
16 -
18 doc: input can be only selected by sending a request to dpll
19 value: 1
20 -
22 doc: highest prio input pin auto selected by dpll
23 render-max: true
24 -
26 name: lock-status
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/Documentation/userspace-api/media/drivers/
Dimx-uapi.rst1 .. SPDX-License-Identifier: GPL-2.0
13 ---------
18 - V4L2_EVENT_IMX_FRAME_INTERVAL_ERROR
30 -----------------------------------
33 NTSC/PAL signal re-sync (too little or too many video lines). When
34 this happens, the IPU triggers a mechanism to re-establish vertical
43 value for the current standard, by about one frame time (60 usec),
44 and remain at that value until rolling stops.
48 time every frame, not a fixed value), we can use it to detect the
60 - V4L2_CID_IMX_FIM_ENABLE
[all …]
/Documentation/devicetree/bindings/pinctrl/
Dfsl,imx7d-pinctrl.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/fsl,imx7d-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dong Aisheng <aisheng.dong@nxp.com>
13 Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory
19 - enum:
20 - fsl,imx7d-iomuxc
21 - fsl,imx7d-iomuxc-lpsr
26 fsl,input-sel:
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Dmediatek,mt8188-pinctrl.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/mediatek,mt8188-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Hui Liu <hui.liu@mediatek.com>
17 const: mediatek,mt8188-pinctrl
19 gpio-controller: true
21 '#gpio-cells':
25 are defined in <dt-bindings/gpio/gpio.h>.
28 gpio-ranges:
[all …]
Dmediatek,mt8186-pinctrl.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/mediatek,mt8186-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sean Wang <sean.wang@mediatek.com>
17 const: mediatek,mt8186-pinctrl
19 gpio-controller: true
21 '#gpio-cells':
28 gpio-ranges:
31 gpio-line-names: true
[all …]
/Documentation/devicetree/bindings/input/touchscreen/
Dtsc2007.txt4 - compatible: must be "ti,tsc2007".
5 - reg: I2C address of the chip.
6 - ti,x-plate-ohms: X-plate resistance in ohms.
9 - gpios: the interrupt gpio the chip is connected to (through the penirq pin).
12 - interrupts: (gpio) interrupt to which the chip is connected
14 - ti,max-rt: maximum pressure.
15 - ti,fuzzx: specifies the absolute input fuzz x value.
16 If set, it will permit noise in the data up to +- the value given to the fuzz
18 - ti,fuzzy: specifies the absolute input fuzz y value.
19 - ti,fuzzz: specifies the absolute input fuzz z value.
[all …]
/Documentation/devicetree/bindings/sound/
Dcirrus,madera.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - patches@opensource.cirrus.com
21 include/dt-bindings/sound/madera.h
26 - $ref: dai-common.yaml#
29 '#sound-dai-cells':
36 A list of input mode settings for each input. A maximum
37 of 24 cells, with four cells per input in the order INnAL,
38 INnAR INnBL INnBR. For non-muxed inputs the first two cells
[all …]
/Documentation/driver-api/backlight/
Dlp855x-driver.rst15 -----------
19 Brightness can be controlled by the pwm input or the i2c command.
28 Value: pwm based or register based
34 Value: lp8550/lp8551/lp8552/lp8553/lp8555/lp8556/lp8557
37 ------------------------
44 Value of DEVICE CONTROL register.
46 Initial value of backlight brightness.
48 Platform specific PWM period value. unit is nano.
49 Only valid when brightness is pwm input mode.
68 .name = "lcd-bl",
[all …]
/Documentation/userspace-api/media/rc/
Dkeytable.c.rst1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
6 .. code-block:: c
8 /* keytable.c - This program allows checking/replacing keys at IR
10 Copyright (C) 2006-2009 Mauro Carvalho Chehab <mchehab@kernel.org>
28 #include <linux/input.h>
37 for (p=keynames;p->name!=NULL;p++) {
38 if (p->value == (unsigned)codes[1]) {
39 printf("scancode 0x%04x = %s (0x%02x)\\n", codes[0], p->name, codes[1]);
54 for (p=keynames;p->name!=NULL;p++) {
55 if (!strcasecmp(p->name, string)) {
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