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/Documentation/devicetree/bindings/ptp/
Dptp-idtcm.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/ptp/ptp-idtcm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Vincent Cheng <vincent.cheng.xh@renesas.com>
16 - idt,8a34000
17 - idt,8a34001
18 - idt,8a34002
19 - idt,8a34003
20 - idt,8a34004
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/Documentation/driver-api/media/drivers/ccs/
Dccs-regs.asc1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-3-Clause
2 # Copyright (C) 2019--2020 Intel Corporation
5 # - f field LSB MSB rflags
6 # - e enum value # after a field
7 # - e enum value [LSB MSB]
8 # - b bool bit
9 # - l arg name min max elsize [discontig...]
12 # 8, 16, 32 register bits (default is 8)
20 module_revision_number_major 0x0002 8
21 frame_count 0x0005 8
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/Documentation/gpu/
Dafbc.rst1 .. SPDX-License-Identifier: GPL-2.0+
8 It provides fine-grained random access and minimizes the amount of
21 AFBC streams can contain several components - where a component
37 reside in the least-significant bits of the corresponding linear
42 * Component 0: R(8)
43 * Component 1: G(8)
44 * Component 2: B(8)
45 * Component 3: A(8)
49 * Component 0: R(8)
50 * Component 1: G(8)
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/Documentation/userspace-api/media/v4l/
Dmetafmt-generic.rst1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
8 Generic line-based metadata formats
14 These generic line-based metadata formats define the memory layout of the data
17 .. _v4l2-meta-fmt-generic-8:
20 -----------------------
22 The V4L2_META_FMT_GENERIC_8 format is a plain 8-bit metadata format. This format
23 is used on CSI-2 for 8 bits per :term:`Data Unit`.
26 packed into one 16-bit Data Unit. Otherwise the 16 bits per pixel dataformat is
27 :ref:`V4L2_META_FMT_GENERIC_CSI2_16 <v4l2-meta-fmt-generic-csi2-16>`.
34 .. flat-table:: Sample 4x2 Metadata Frame
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/Documentation/devicetree/bindings/leds/
Dleds-lp55xx.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-lp55xx.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jacek Anaszewski <jacek.anaszewski@gmail.com>
11 - Pavel Machek <pavel@ucw.cz>
27 - national,lp5521
28 - national,lp5523
29 - ti,lp55231
30 - ti,lp5562
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/Documentation/admin-guide/media/
Ddvb_intro.rst1 .. SPDX-License-Identifier: GPL-2.0
12 structure of DVB-T cards are substantially similar to Analogue TV cards,
30 embedded within the modulated composite analogue signal -
38 signal encoded at a resolution of 768x576 24-bit color pixels over 25
39 frames per second - a fair amount of data is generated and must be
43 encoded and compressed form - similar to the form that is used in
46 The purpose of a simple budget digital TV card (DVB-T,C or S) is to
96 On this example, we're considering tuning into DVB-T channels in
115 The digital TV Scan utilities (like dvbv5-scan) have use a set of
116 compiled-in defaults for various countries and regions. Those are
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/Documentation/trace/postprocess/
Dtrace-pagealloc-postprocess.pl4 # to extract some high-level information on what is going on. The accuracy of the parser
7 # Example usage: trace-pagealloc-postprocess.pl < /sys/kernel/tracing/trace_pipe
9 # --prepend-parent Report on the parent proc and PID
10 # --read-procstat If the trace lacks process info, get it from /proc
11 # --ignore-pid Aggregate processes of the same name together
28 use constant STATE_PCPU_PAGES_DRAINED => 8;
31 # High-level events extrapolated from tracepoints
52 if ($current_time - 2 > $sigint_received) {
53 print "SIGINT received, report pending. Hit ctrl-c again to exit\n";
74 'ignore-pid' => \$opt_ignorepid,
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/Documentation/devicetree/bindings/input/touchscreen/
Dadi,ad7879.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 AD7879(-1)/AD7889(-1) touchscreen interface (SPI/I2C)
10 - Frank Li <Frank.Li@nxp.com>
16 for I2C slave, use "adi,ad7879-1"
18 - adi,ad7879
19 - adi,ad7879-1
27 touchscreen-max-pressure:
31 adi,resistance-plate-x:
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/Documentation/admin-guide/device-mapper/
Ddm-service-time.rst2 dm-service-time
5 dm-service-time is a path selector module for device-mapper targets,
10 of in-flight I/Os on a path with the performance value of the path.
12 in a path-group, and it can be specified as a table argument.
14 The path selector name is 'service-time'.
26 among all paths in the path-group.
27 The valid range is 0-100.
34 <status> <fail-count> <in-flight-size> <relative_throughput>
37 <fail-count>:
39 <in-flight-size>:
[all …]
Ddm-queue-length.rst2 dm-queue-length
5 dm-queue-length is a path selector module for device-mapper targets,
6 which selects a path with the least number of in-flight I/Os.
7 The path selector name is 'queue-length'.
18 Status for each path: <status> <fail-count> <in-flight>
23 <fail-count>: The number of path failures.
24 <in-flight>: The number of in-flight I/Os on the path.
30 dm-queue-length increments/decrements 'in-flight' when an I/O is
32 dm-queue-length selects a path with the minimum 'in-flight'.
41 # echo "0 10 multipath 0 0 1 1 queue-length 0 2 1 8:0 128 8:16 128" \
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/Documentation/devicetree/bindings/leds/backlight/
Dlp855x-backlight.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/lp855x-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Artur Weber <aweber.kernel@gmail.com>
15 - ti,lp8550
16 - ti,lp8551
17 - ti,lp8552
18 - ti,lp8553
19 - ti,lp8555
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/Documentation/tools/rtla/
Drtla-timerlat-top.rst2 rtla-timerlat-top
4 -------------------------------------------
6 -------------------------------------------
22 seem with the option **-T**.
35 **--aa-only** *us*
38 Print the auto-analysis if the system hits the stop tracing condition. This option
45 In the example below, the timerlat tracer is dispatched in cpus *1-23* in the
49 # timerlat -a 40 -c 1-23 -q
55 3 #12322 | 1 0 1 21 | 8 2 8 34
57 5 #12322 | 0 0 1 12 | 8 3 8 25
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/Documentation/devicetree/bindings/media/
Dti,da850-vpif.txt2 ----------------------
12 - compatible: must be "ti,da850-vpif"
13 - reg: physical base address and length of the registers set for the device;
14 - interrupts: should contain IRQ line for the VPIF
18 VPIF has a 16-bit parallel bus input, supporting 2 8-bit channels or a
19 single 16-bit channel. It should contain one or two port child nodes
23 Documentation/devicetree/bindings/media/video-interfaces.txt.
25 Example using 2 8-bit input channels, one of which is connected to an
26 I2C-connected TVP5147 decoder:
29 compatible = "ti,da850-vpif";
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/Documentation/ABI/testing/
Dsysfs-driver-toshiba_acpi1 What: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/TOS{1900,620{0,7,8}}:00/kbd_backlight_mode
2 Date: June 8, 2014
8 * 0x1 -> FN-Z
9 * 0x2 -> AUTO (also called TIMER)
10 * 0x8 -> ON
11 * 0x10 -> OFF
14 parameters, kernel 3.15 only accepts the first two (FN-Z and
20 What: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/TOS{1900,620{0,7,8}}:00/kbd_backlight_timeout
21 Date: June 8, 2014
26 valid values range from 0-60.
[all …]
/Documentation/admin-guide/blockdev/drbd/
Dfigures.rst1 .. SPDX-License-Identifier: GPL-2.0
8 .. kernel-figure:: DRBD-8.3-data-packets.svg
9 :alt: DRBD-8.3-data-packets.svg
12 .. kernel-figure:: DRBD-data-packets.svg
13 :alt: DRBD-data-packets.svg
20 .. kernel-figure:: conn-states-8.dot
21 :alt: conn-states-8.dot
24 .. kernel-figure:: disk-states-8.dot
25 :alt: disk-states-8.dot
28 .. kernel-figure:: peer-states-8.dot
[all …]
/Documentation/devicetree/bindings/spi/
Dspi-sifive.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-sifive.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Pragnesh Patel <pragnesh.patel@sifive.com>
11 - Paul Walmsley <paul.walmsley@sifive.com>
12 - Palmer Dabbelt <palmer@sifive.com>
15 - $ref: spi-controller.yaml#
20 - enum:
21 - sifive,fu540-c000-spi
[all …]
/Documentation/devicetree/bindings/media/i2c/
Dtda1997x.txt1 Device-Tree bindings for the NXP TDA1997x HDMI receiver
6 - RGB 8bit per color (24 bits total): R[11:4] B[11:4] G[11:4]
7 - YUV444 8bit per color (24 bits total): Y[11:4] Cr[11:4] Cb[11:4]
8 - YUV422 semi-planar 8bit per component (16 bits total): Y[11:4] CbCr[11:4]
9 - YUV422 semi-planar 10bit per component (20 bits total): Y[11:2] CbCr[11:2]
10 - YUV422 semi-planar 12bit per component (24 bits total): - Y[11:0] CbCr[11:0]
11 - YUV422 BT656 8bit per component (8 bits total): YCbCr[11:4] (2-cycles)
12 - YUV422 BT656 10bit per component (10 bits total): YCbCr[11:2] (2-cycles)
13 - YUV422 BT656 12bit per component (12 bits total): YCbCr[11:0] (2-cycles)
16 - RGB 12bit per color (36 bits total): R[11:0] B[11:0] G[11:0]
[all …]
/Documentation/userspace-api/media/rc/
Drc-protos.rst1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
22 Some remotes have a pointer-type device which can used to control the
29 rc-5 (RC_PROTO_RC5)
30 -------------------
38 .. flat-table:: rc5 bits scancode mapping
41 * - rc-5 bit
43 - scancode bit
45 - description
47 * - 1
49 - none
[all …]
/Documentation/bpf/
Dverifier.rst32 After kernel function call, R1-R5 are reset to unreadable and
35 Since R6-R9 are callee saved, their state is preserved across the call.
65 bpf_ld R0 = *(u32 *)(R6 + 8)
67 intends to load a word from address R6 + 8 and store it into R0
69 that offset 8 of size 4 bytes can be accessed for reading, otherwise
72 stack bounds, which are [-MAX_BPF_STACK, 0). In this example offset is 8,
78 Classic BPF verifier does similar check with M[0-15] memory slots.
81 bpf_ld R0 = *(u32 *)(R10 - 4)
85 Though R10 is correct read-only register and has type PTR_TO_STACK
86 and R10 - 4 is within stack bounds, there were no stores into that location.
[all …]
/Documentation/driver-api/early-userspace/
Dbuffer-format.rst7 Last revision: 2002-01-13
29 ALGN(n) means padding with null bytes to an n-byte boundary
47 The cpio "TRAILER!!!" entry (cpio end-of-archive) is optional, but is
59 c_ino 8 bytes File inode number
60 c_mode 8 bytes File mode and permissions
61 c_uid 8 bytes File uid
62 c_gid 8 bytes File gid
63 c_nlink 8 bytes Number of links
64 c_mtime 8 bytes Modification time
65 c_filesize 8 bytes Size of data field
[all …]
/Documentation/filesystems/ext4/
Dblocks.rst1 .. SPDX-License-Identifier: GPL-2.0
4 ------
17 For 32-bit filesystems, limits are as follows:
19 .. list-table::
21 :header-rows: 1
23 * - Item
24 - 1KiB
25 - 2KiB
26 - 4KiB
27 - 64KiB
[all …]
/Documentation/translations/zh_CN/core-api/
Dpacking.rst1 .. SPDX-License-Identifier: GPL-2.0+
3 .. include:: ../disclaimer-zh_CN.rst
5 :Original: Documentation/core-api/packing.rst
22 --------
42 --------
46 - 将一个CPU可使用的数字打包到内存缓冲区中（具有硬件约束/特殊性）。
47 - 将内存缓冲区（具有硬件约束/特殊性）解压缩为一个CPU可使用的数字。
63 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
77 24 25 26 27 28 29 30 31 16 17 18 19 20 21 22 23 8 9 10 11 12 13 14 15 0 1 2 3 4 5 6 7
89 7 6 5 4 3 2 1 0 15 14 13 12 11 10 9 8 23 22 21 20 19 18 17 16 31 30 29 28 27 26 25 24
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/Documentation/hwmon/
Dit87.rst10 Addresses scanned: from Super I/O config space (8 I/O ports)
18 Addresses scanned: from Super I/O config space (8 I/O ports)
24 Addresses scanned: from Super I/O config space (8 I/O ports)
32 Addresses scanned: from Super I/O config space (8 I/O ports)
40 Addresses scanned: from Super I/O config space (8 I/O ports)
48 Addresses scanned: from Super I/O config space (8 I/O ports)
56 Addresses scanned: from Super I/O config space (8 I/O ports)
64 Addresses scanned: from Super I/O config space (8 I/O ports)
72 Addresses scanned: from Super I/O config space (8 I/O ports)
80 Addresses scanned: from Super I/O config space (8 I/O ports)
[all …]
/Documentation/devicetree/bindings/hwmon/
Daspeed-pwm-tacho.txt3 The ASPEED PWM controller can support upto 8 PWM outputs. The ASPEED Fan Tacho
6 There can be upto 8 fans supported. Each fan can have one PWM output and
9 Required properties for pwm-tacho node:
10 - #address-cells : should be 1.
12 - #size-cells : should be 1.
14 - #cooling-cells: should be 2.
16 - reg : address and length of the register set for the device.
18 - pinctrl-names : a pinctrl state named "default" must be defined.
20 - pinctrl-0 : phandle referencing pin configuration of the PWM ports.
22 - compatible : should be "aspeed,ast2400-pwm-tacho" for AST2400 and
[all …]
/Documentation/devicetree/bindings/iio/adc/
Drenesas,rcar-gyroadc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/renesas,rcar-gyroadc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Renesas R-Car GyroADC
10 - Marek Vasut <marek.vasut+renesas@gmail.com>
13 The GyroADC block is a reduced SPI block with up to 8 chipselect lines,
15 are sampled by the GyroADC block in a round-robin fashion and the result
23 - enum:
24 - renesas,r8a7791-gyroadc
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