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/Documentation/devicetree/bindings/dma/
Drenesas,nbpfaxi.txt1 * Renesas "Type-AXI" NBPFAXI* DMA controllers
7 - compatible: must be one of
17 - #dma-cells: must be 2: the first integer is a terminal number, to which this
26 - max-burst-mem-read: limit burst size for memory reads
28 than using the maximum burst size allowed by the hardware's buffer size.
29 - max-burst-mem-write: limit burst size for memory writes
31 than using the maximum burst size allowed by the hardware's buffer size.
32 If both max-burst-mem-read and max-burst-mem-write are set, DMA_MEM_TO_MEM
35 You can use dma-channels and dma-requests as described in dma.txt, although they
40 dma: dma-controller@48000000 {
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Dintel,ldma.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - chuanhua.lei@intel.com
11 - mallikarjunax.reddy@intel.com
14 - $ref: dma-controller.yaml#
19 - intel,lgm-cdma
20 - intel,lgm-dma2tx
21 - intel,lgm-dma1rx
22 - intel,lgm-dma1tx
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/Documentation/devicetree/bindings/memory-controllers/
Dti,gpmc-child.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/ti,gpmc-child.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tony Lindgren <tony@atomide.com>
11 - Roger Quadros <rogerq@kernel.org>
24 gpmc,sync-clk-ps:
28 # Chip-select signal timings corresponding to GPMC_CONFIG2:
29 gpmc,cs-on-ns:
33 gpmc,cs-rd-off-ns:
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Dst,stm32-fmc2-ebi-props.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/st,stm32-fmc2-ebi-props.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Christophe Kerello <christophe.kerello@foss.st.com>
11 - Marek Vasut <marex@denx.de>
14 st,fmc2-ebi-cs-transaction-type:
25 8: Synchronous read synchronous write PSRAM.
26 9: Synchronous read asynchronous write PSRAM.
27 10: Synchronous read synchronous write NOR.
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Dmvebu-devbus.txt9 - compatible: Armada 370/XP SoC are supported using the
10 "marvell,mvebu-devbus" compatible string.
13 "marvell,orion-devbus" compatible string.
15 - reg: A resource specifier for the register space.
20 - #address-cells: Must be set to 1
21 - #size-cells: Must be set to 1
22 - ranges: Must be set up to reflect the memory layout with four
23 integer values for each chip-select line in use:
28 - devbus,keep-config This property can optionally be used to keep
37 - devbus,turn-off-ps: Defines the time during which the controller does not
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/Documentation/userspace-api/media/dvb/
Dfe-diseqc-send-burst.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 FE_DISEQC_SEND_BURST - Sends a 22KHz tone burst for 2x1 mini DiSEqC satellite selection.
34 This ioctl is used to set the generation of a 22kHz tone burst for mini
36 read/write permissions.
39 `Digital Satellite Equipment Control (DiSEqC) - Simple "ToneBurst" Detection Circuit specification.…
46 On error -1 is returned, and the ``errno`` variable is set
50 :ref:`Generic Error Codes <gen-errors>` chapter.
/Documentation/devicetree/bindings/net/
Dsnps,dwc-qos-ethernet.txt13 - compatible: One of:
14 - "axis,artpec6-eqos", "snps,dwc-qos-ethernet-4.10"
15 Represents the IP core when integrated into the Axis ARTPEC-6 SoC.
16 - "nvidia,tegra186-eqos", "snps,dwc-qos-ethernet-4.10"
18 - "snps,dwc-qos-ethernet-4.10"
20 "axis,artpec6-eqos", "snps,dwc-qos-ethernet-4.10". It is supported to be
22 - reg: Address and length of the register set for the device
23 - clocks: Phandle and clock specifiers for each entry in clock-names, in the
24 same order. See ../clock/clock-bindings.txt.
25 - clock-names: May contain any/all of the following depending on the IP
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Dsnps,dwmac.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alexandre Torgue <alexandre.torgue@foss.st.com>
11 - Giuseppe Cavallaro <peppe.cavallaro@st.com>
12 - Jose Abreu <joabreu@synopsys.com>
23 - snps,dwmac
24 - snps,dwmac-3.40a
25 - snps,dwmac-3.50a
26 - snps,dwmac-3.610
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/Documentation/devicetree/bindings/bus/
Dqcom,ebi2.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 external memory (such as NAND or other memory-mapped peripherals) whereas
17 NOR flash memories), WE (write enable). This on top of 6 different chip selects
25 Also CS1 and CS2 has -A and -B signals. Why they have that is unclear to me.
31 CS0 GPIO134 0x1a800000-0x1b000000 (8MB)
32 CS1 GPIO39 (A) / GPIO123 (B) 0x1b000000-0x1b800000 (8MB)
33 CS2 GPIO40 (A) / GPIO124 (B) 0x1b800000-0x1c000000 (8MB)
34 CS3 GPIO133 0x1d000000-0x25000000 (128 MB)
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/Documentation/driver-api/memory-devices/
Dti-gpmc.rst1 .. SPDX-License-Identifier: GPL-2.0
12 * Asynchronous, synchronous, and page mode burst NOR flash devices
14 * Pseudo-SRAM devices
85 4. read async non-muxed
107 6. read sync non-muxed
118 7. write async muxed
131 8. write async non-muxed
144 9. write sync muxed
157 10. write sync non-muxed
/Documentation/driver-api/dmaengine/
Dprovider.rst20 DMA-eligible devices to the controller itself. Whenever the device
42 using a parameter called the burst size, that defines how many single
44 transfer into smaller sub-transfers.
49 non-contiguous buffers to a contiguous buffer, which is called
50 scatter-gather.
53 scatter-gather. So we're left with two cases here: either we have a
56 that implements in hardware scatter-gather.
72 not and the three parameters we saw earlier: the burst size, the
79 These were just the general memory-to-memory (also called mem2mem) or
80 memory-to-device (mem2dev) kind of transfers. Most devices often
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/Documentation/scsi/
Dncr53c8xx.rst1 .. SPDX-License-Identifier: GPL-2.0
11 95170 DEUIL LA BARRE - FRANCE
51 10.2.11 Burst max
64 10.4 PCI configuration fix-up boot option
75 14.4 Possible data corruption during a Memory Write and Invalidate
81 16.1 Synchronous timings for 53C875 and 53C860 Ultra-SCSI controllers
82 16.2 Synchronous timings for fast SCSI-2 53C8XX controllers
97 - Gerard Roudier <groudier@free.fr>
101 - Wolfgang Stanglmeier <wolf@cologne.de>
102 - Stefan Esser <se@mi.Uni-Koeln.de>
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Dsym53c8xx_2.rst1 .. SPDX-License-Identifier: GPL-2.0
4 SYM-2 driver
11 95170 DEUIL LA BARRE - FRANCE
15 2004-10-09
42 10.2.2 Burst max
67 This driver supports the whole SYM53C8XX family of PCI-SCSI controllers.
68 It also support the subset of LSI53C10XX PCI-SCSI controllers that are based
72 with the FreeBSD SYM-2 driver. The 'glue' that allows this driver to work
81 - Wolfgang Stanglmeier <wolf@cologne.de>
82 - Stefan Esser <se@mi.Uni-Koeln.de>
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DChangeLog.ncr53c8xx1 Sat May 12 12:00 2001 Gerard Roudier (groudier@club-internet.fr)
2 * version ncr53c8xx-3.4.3b
3 - Ensure LEDC bit in GPCNTL is cleared when reading the NVRAM.
4 Fix sent by Stig Telfer <stig@api-networks.com>.
5 - Define scsi_set_pci_device() as nil for kernel < 2.4.4.
7 Mon Feb 12 22:30 2001 Gerard Roudier (groudier@club-internet.fr)
8 * version ncr53c8xx-3.4.3
9 - Call pci_enable_device() as AC wants this to be done.
10 - Get both the BAR cookies actual and PCI BAR values.
12 - Merge changes for linux-2.4 that declare the host template
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/Documentation/networking/device_drivers/ethernet/stmicro/
Dstmmac.rst1 .. SPDX-License-Identifier: GPL-2.0+
13 - In This Release
14 - Feature List
15 - Kernel Configuration
16 - Command Line Parameters
17 - Driver Information and Notes
18 - Debug Information
19 - Support
33 (and older) and DesignWare(R) Cores Ethernet Quality-of-Service version 4.0
35 DesignWare(R) Cores XGMAC - 10G Ethernet MAC and DesignWare(R) Cores
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/Documentation/sound/designs/
Dcontrol-names.rst8 ---------------
68 Headset Mic mic part of combined headset jack - 4-pin
70 Headphone Mic mic part of either/or - 3-pin headphone or mic
79 Analog Loopback D/A -> A/D loopback
80 Digital Loopback playback -> capture loopback -
98 -----------------------
106 Tone Control - Switch
107 Tone Control - Bass
108 Tone Control - Treble
109 3D Control - Switch
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/Documentation/userspace-api/media/v4l/
Dext-ctrls-camera.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _camera-controls:
13 .. _camera-control-id:
23 .. _v4l2-exposure-auto-type:
28 enum v4l2_exposure_auto_type -
37 .. flat-table::
38 :header-rows: 0
39 :stub-columns: 0
41 * - ``V4L2_EXPOSURE_AUTO``
42 - Automatic exposure time, automatic iris aperture.
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/Documentation/admin-guide/
Dcgroup-v2.rst1 .. _cgroup-v2:
11 conventions of cgroup v2. It describes all userland-visible aspects
14 v1 is available under :ref:`Documentation/admin-guide/cgroup-v1/index.rst <cgroup-v1>`.
19 1-1. Terminology
20 1-2. What is cgroup?
22 2-1. Mounting
23 2-2. Organizing Processes and Threads
24 2-2-1. Processes
25 2-2-2. Threads
26 2-3. [Un]populated Notification
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/Documentation/networking/device_drivers/ethernet/cirrus/
Dcs89x0.rst1 .. SPDX-License-Identifier: GPL-2.0
33 2.1 CS8900-based Adapter Configuration
34 2.2 CS8920-based Adapter Configuration
46 5.2.1 Diagnostic Self-Test
66 The CS8900-based ISA Ethernet Adapters from Cirrus Logic follow
67 IEEE 802.3 standards and support half or full-duplex operation in ISA bus
69 in 16-bit ISA or EISA bus expansion slots and are available in
70 10BaseT-only or 3-media configurations (10BaseT, 10Base2, and AUI for 10Base-5
73 CS8920-based adapters are similar to the CS8900-based adapter with additional
85 or loaded at run-time as a device driver module.
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/Documentation/networking/
Dip-sysctl.rst1 .. SPDX-License-Identifier: GPL-2.0
10 ip_forward - BOOLEAN
11 - 0 - disabled (default)
12 - not 0 - enabled
20 ip_default_ttl - INTEGER
25 ip_no_pmtu_disc - INTEGER
27 fragmentation-required ICMP is received, the PMTU to this
38 accept fragmentation-needed errors if the underlying protocol
48 Possible values: 0-3
52 min_pmtu - INTEGER
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/Documentation/admin-guide/sysctl/
Dkernel.rst5 .. See scripts/check-sysctl-docs to keep this up to date
13 Documentation/admin-guide/sysctl/index.rst.
15 ------------------------------------------------------------------------------
39 If BSD-style process accounting is enabled these values control
71 The machine hardware name, the same output as ``uname -m``
129 Ctrl-Alt-Delete). Writing a value to this file which doesn't
130 correspond to a running process will result in ``-ESRCH``.
132 See also `ctrl-alt-del`_.
236 ctrl-alt-del
239 When the value in this file is 0, ctrl-alt-del is trapped and
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/Documentation/driver-api/usb/
Ddwc3.rst15 1. Peripheral-only configuration
16 2. Host-only configuration
17 3. Dual-Role configuration
46 pipe - ep0)
49 4. Scatter-list support
58 These features have all been exercised with many of the **in-tree**
67 for new-comers to read the code and understand how it behaves.
83 ---------------------------------
88 receive a Mass Storage *CBW* [#cbw]_, req->length must either be set
91 to a throw-away buffer for the remaining length. Without this, OUT
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