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/Documentation/usb/
Dgadget_multi.rst2 Multifunction Composite Gadget
8 The Multifunction Composite Gadget (or g_multi) is a composite gadget
9 that makes extensive use of the composite framework to provide
12 In its standard configuration it provides a single USB configuration
18 have two configurations -- one with RNDIS and another with CDC ECM[3].
20 Please note that if you use non-standard configuration (that is enable
26 To make use of the gadget one needs to make it work on host side --
31 ------------------
33 Since the gadget uses standard composite framework and appears as such
38 This is also true for two configuration set-up with RNDIS
[all …]
Dmass-storage.rst9 appearing to the host as a disk or a CD-ROM drive. It supports
12 to read-only, and gadget can indicate that it is removable and/or
13 CD-ROM (the latter implies read-only access).
15 Its requirements are modest; only a bulk-in and a bulk-out endpoint
17 Support is included for full-speed, high-speed and SuperSpeed
20 Note that the driver is slightly non-portable in that it assumes
21 a single memory/DMA buffer will be usable for bulk-in and bulk-out
29 (which is no longer included in Linux). It will talk only briefly
30 about how to use MSF within composite gadgets.
38 - file=filename[,filename...]
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Dfunctionfs.rst8 From kernel point of view it is just a composite function with some
12 that kernel level composite functions provide when they are added to
15 This in particular means that the composite initialisation functions
16 may not be in init section (ie. may not use the __init tag).
25 them as needed also handling situation when numbers differ in
28 For more information about FunctionFS descriptors see :doc:`functionfs-desc`
40 What I also want to mention is that the FunctionFS is designed in such
41 a way that it is possible to mount it several times so in the end
51 $ mkdir /dev/ffs-mtp && mount -t functionfs mtp /dev/ffs-mtp
52 $ ( cd /dev/ffs-mtp && mtp-daemon ) &
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Dfunctionfs-desc.rst7 by the composite gadget and are not written by the user to the
10 Descriptors are written to the "ep0" file in the FFS gadget
13 .. kernel-doc:: include/uapi/linux/usb/functionfs.h
17 ---------------------
20 most recent interface descriptor determines what type of class-specific
23 Class-Specific Descriptors
24 --------------------------
26 Class-specific descriptors are accepted only for the class/subclass of the
28 class-specific descriptors that are supported.
35 The DFU functional descriptor is a described in the USB specification for
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/Documentation/devicetree/bindings/clock/ti/
Dmux.txt4 register-mapped multiplexer with multiple input clock signals or
8 By default the "clocks" property lists the parents in the same order
13 results in programming the register as follows:
22 "index-starts-at-one" modified the scheme as follows:
30 the number of bits to shift the control field in the register can be
34 [1] Documentation/devicetree/bindings/clock/clock-bindings.txt
37 - compatible : shall be "ti,mux-clock" or "ti,composite-mux-clock".
38 - #clock-cells : from common clock binding; shall be set to 0.
39 - clocks : link phandles of parent clocks
40 - reg : register offset for register controlling adjustable mux
[all …]
Ddivider.txt4 register-mapped adjustable clock rate divider that does not gate and has
15 ti,index-starts-at-one - valid divisor values start at 1, not the default
22 ti,index-power-of-two - valid divisor values are powers of two. E.g:
39 Any zero value in this array means the corresponding bit-value is invalid
50 [1] Documentation/devicetree/bindings/clock/clock-bindings.txt
54 - compatible : shall be "ti,divider-clock" or "ti,composite-divider-clock".
55 - #clock-cells : from common clock binding; shall be set to 0.
56 - clocks : link to phandle of parent clock
57 - reg : offset for register controlling adjustable divider
60 - clock-output-names : from common clock binding.
[all …]
/Documentation/devicetree/bindings/display/connector/
Danalog-tv-connector.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/display/connector/analog-tv-connector.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
15 - composite-video-connector
16 - svideo-connector
20 sdtv-standards:
24 defined in include/dt-bindings/display/sdtv-standards.h.
32 - compatible
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/Documentation/driver-api/media/drivers/
Dzoran.rst1 .. SPDX-License-Identifier: GPL-2.0
8 website: http://mjpeg.sourceforge.net/driver-zoran/
12 --------------------------
15 ------------------------
28 Drivers to use: videodev, i2c-core, i2c-algo-bit,
31 Inputs/outputs: Composite and S-video
45 Drivers to use: videodev, i2c-core, i2c-algo-bit,
49 Six physical inputs. 1-6 are composite,
50 1-2, 3-4, 5-6 doubles as S-video,
51 1-3 triples as component.
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/Documentation/ABI/testing/
Dsysfs-devices-platform-_UDC_-gadget5 Show the suspend state of an USB composite gadget.
7 - 1 -> suspended
8 - 0 -> resumed
12 What: /sys/devices/platform/_UDC_/gadget/gadget-lunX/nofua
16 Show or set the reaction on the FUA (Force Unit Access) bit in
17 the SCSI WRITE(10,12) commands when a gadget in USB Mass
22 - 1 -> ignore the FUA flag
23 - 0 -> obey the FUA flag
/Documentation/devicetree/bindings/media/i2c/
Dadv7180.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lars-Peter Clausen <lars@metafoo.de>
14 digital interfaces like MIPI CSI-2 or parallel video.
19 - enum:
20 - adi,adv7180
21 - adi,adv7180cp
22 - adi,adv7180st
23 - adi,adv7182
[all …]
Dtvp5150.txt4 (and also SECAM in the TVP5151 case) video signals to either 8-bit 4:2:2 YUV
5 with discrete syncs or 8-bit ITU-R BT.656 with embedded syncs output formats.
9 - compatible: Value must be "ti,tvp5150".
10 - reg: I2C slave address.
14 - pdn-gpios: Phandle for the GPIO connected to the PDN pin, if any.
15 - reset-gpios: Phandle for the GPIO connected to the RESETB pin, if any.
18 and output port, in accordance with the video interface bindings defined in
19 Documentation/devicetree/bindings/media/video-interfaces.txt. The port nodes
23 --------------------------------------
26 Y-OUT src 2
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Dadv7343.txt3 The ADV7343 are high speed, digital-to-analog video encoders in a 64-lead LQFP
4 package. Six high speed, 3.3 V, 11-bit video DACs provide support for composite
5 (CVBS), S-Video (Y-C), and component (YPrPb/RGB) analog outputs in standard
10 - compatible: Must be "adi,adv7343"
13 - adi,power-mode-sleep-mode: on enable the current consumption is reduced to
16 - adi,power-mode-pll-ctrl: PLL and oversampling control. This control allows
19 - ad,adv7343-power-mode-dac: array configuring the power on/off DAC's 1..6,
22 - ad,adv7343-sd-config-dac-out: array configure SD DAC Output's 1 and 2, 0 = OFF
38 adi,power-mode-sleep-mode;
39 adi,power-mode-pll-ctrl;
[all …]
/Documentation/driver-api/usb/
Dgadget.rst11 This document presents a Linux-USB "Gadget" kernel mode API, for use
17 - Supports USB 2.0, for high speed devices which can stream data at
20 - Handles devices with dozens of endpoints just as well as ones with
21 just two fixed-function ones. Gadget drivers can be written so
24 - Flexible enough to expose more complex USB device capabilities such
25 as multiple configurations, multiple interfaces, composite devices,
28 - USB "On-The-Go" (OTG) support, in conjunction with updates to the
29 Linux-USB host side.
31 - Sharing data structures and API models with the Linux-USB host side
32 API. This helps the OTG support, and looks forward to more-symmetric
[all …]
/Documentation/devicetree/bindings/clock/
Dfsl,sai-clock.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/clock/fsl,sai-clock.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale SAI bitclock-as-a-clock
10 - Michael Walle <michael@walle.cc>
14 output. Some SoC are very constrained in their pin multiplexer
16 LS1028A SoC you can only enable SAIs in pairs. If you use only one SAI,
20 This is a composite of a gated clock and a divider clock.
24 const: fsl,vf610-sai-clock
[all …]
/Documentation/devicetree/bindings/display/ti/
Dti,omap2-dss.txt4 See Documentation/devicetree/bindings/display/ti/ti,omap-dss.txt for generic
8 --------
11 - compatible: "ti,omap2-dss"
12 - reg: address and length of the register space
13 - ti,hwmods: "dss_core"
16 - Video port for DPI output
19 - data-lines: number of lines used
23 -----
26 - compatible: "ti,omap2-dispc"
27 - reg: address and length of the register space
[all …]
Dti,omap3-dss.txt4 See Documentation/devicetree/bindings/display/ti/ti,omap-dss.txt for generic
8 --------
11 - compatible: "ti,omap3-dss"
12 - reg: address and length of the register space
13 - ti,hwmods: "dss_core"
14 - clocks: handle to fclk
15 - clock-names: "fck"
18 - Video ports:
19 - Port 0: DPI output
20 - Port 1: SDI output
[all …]
Dti,omap4-dss.txt4 See Documentation/devicetree/bindings/display/ti/ti,omap-dss.txt for generic
8 --------
11 - compatible: "ti,omap4-dss"
12 - reg: address and length of the register space
13 - ti,hwmods: "dss_core"
14 - clocks: handle to fclk
15 - clock-names: "fck"
18 - DISPC
21 - DSS Submodules: RFBI, VENC, DSI, HDMI
22 - Video port for DPI output
[all …]
/Documentation/gpu/
Dtegra.rst11 supports the built-in GPU, comprised of the gr2d and gr3d engines. Starting
18 - A host1x driver that provides infrastructure and access to the host1x
21 - A KMS driver that supports the display controllers as well as a number of
24 - A set of custom userspace IOCTLs that can be used to submit jobs to the
30 The various host1x clients need to be bound together into a logical device in
32 this is implemented in the host1x driver. When a driver is registered with the
40 device using a driver-provided function which will set up the bits specific to
41 the subsystem and in turn initialize each of its clients.
45 the subsystem specific bits are torn down and the clients destroyed in turn.
48 -------------------------------
[all …]
/Documentation/devicetree/bindings/arm/omap/
Dctrl.txt5 described in [1]. Typically some clock nodes are also under control module.
11 [1] Documentation/devicetree/bindings/pinctrl/pinctrl-single.yaml
15 - compatible: Must be one of:
16 "ti,am3-scm"
17 "ti,am4-scm"
18 "ti,dm814-scrm"
19 "ti,dm816-scrm"
20 "ti,omap2-scm"
21 "ti,omap3-scm"
22 "ti,omap4-scm-core"
[all …]
/Documentation/fb/
Ds3fb.rst2 s3fb - fbdev driver for S3 Trio/Virge chips
15 - only PCI bus supported
16 - only BIOS initialized VGA devices supported
17 - probably not working on big endian
32 * interlaced mode variant (not available in text mode)
33 * doublescan mode variant (not available in text mode)
34 * panning in both directions
38 Text mode is supported even in higher resolutions, but there is limitation to
39 lower pixclocks (maximum usually between 50-60 MHz, depending on specific
40 hardware, i get best results from plain S3 Trio32 card - about 75 MHz). This
[all …]
Dpvr2fb.rst6 one found in the Dreamcast.
13 * Most important: boot logo :-)
17 * Driver is largely untested on non-Dreamcast systems.
33 mode:X default video mode with format [xres]x[yres]-<bpp>@<refresh rate>
35 640x640-16@60, 640x480-24@60, 640x480-32@60. The Dreamcast
36 defaults to 640x480-16@60. At the time of writing the
52 composite. If none is specified, we guess.
61 XF86_FBDev has been shown to work on the Dreamcast in the past - though not yet
/Documentation/userspace-api/media/v4l/
Dvidioc-enuminput.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_ENUMINPUT - Enumerate video inputs
45 .. flat-table:: struct v4l2_input
46 :header-rows: 0
47 :stub-columns: 0
50 * - __u32
51 - ``index``
52 - Identifies the input, set by the application.
53 * - __u8
54 - ``name``\ [32]
[all …]
Daudio.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
12 one tuner which in fact *is* an audio source, but this API associates
20 more than one video input or output. Assumed two composite video inputs
22 The relation of video and audio connectors is defined in the
56 in the struct :c:type:`v4l2_capability` returned by
63 .. code-block:: c
69 if (-1 == ioctl(fd, VIDIOC_G_AUDIO, &audio)) {
80 .. code-block:: c
88 if (-1 == ioctl(fd, VIDIOC_S_AUDIO, &audio)) {
/Documentation/admin-guide/media/
Davermedia.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Avermedia DVB-T on BT878 Release Notes
16 The Avermedia DVB-T
19 The Avermedia DVB-T is a budget PCI DVB card. It has 3 inputs:
22 * Composite Video Input (RCA Jack)
23 * SVIDEO Input (Mini-DIN)
27 Frontend of the Avermedia DVB-T is a Microtune 7202D. A timely
28 post to the linux-dvb mailing list ascertained that the
30 found in the dvb-hw CVS module.
32 The DVB-T card is based around the BT878 chip which is a very
[all …]
/Documentation/kbuild/
Dmakefiles.rst16 kbuild Makefiles exist in every subdirectory
29 architecture-specific information to the top Makefile.
34 any built-in or modular targets.
51 working on. In order to do this effectively, they need some overall
69 kbuild infrastructure. This chapter introduces the syntax used in the
80 ----------------
90 obj-y += foo.o
92 This tells kbuild that there is one object in that directory, named
95 If foo.o shall be built as a module, the variable obj-m is used.
100 obj-$(CONFIG_FOO) += foo.o
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