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/Documentation/devicetree/bindings/net/dsa/
Dmscc,ocelot.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR MIT)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Vladimir Oltean <vladimir.oltean@nxp.com>
11 - Claudiu Manoil <claudiu.manoil@nxp.com>
12 - Alexandre Belloni <alexandre.belloni@bootlin.com>
13 - UNGLinuxDriver@microchip.com
16 There are multiple switches which are either part of the Ocelot-1 family, or
17 derivatives of this architecture. These switches can be found embedded in
22 Frame DMA or register-based I/O.
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/Documentation/devicetree/bindings/net/
Dmicrochip,sparx5-switch.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/net/microchip,sparx5-switch.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Steen Hegelund <steen.hegelund@microchip.com>
11 - Lars Povlsen <lars.povlsen@microchip.com>
14 The SparX-5 Enterprise Ethernet switch family provides a rich set of
15 Enterprise switching features such as advanced TCAM-based VLAN and
17 security through TCAM-based frame processing using versatile content
25 forwarding (uRPF) tasks. Additional L3 features include VRF-Lite and
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Dfsl,qoriq-mc-dpmac.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/fsl,qoriq-mc-dpmac.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ioana Ciornei <ioana.ciornei@nxp.com>
13 This binding represents the DPAA2 MAC objects found on the fsl-mc bus and
14 located under the 'dpmacs' node for the fsl-mc bus DTS node.
17 - $ref: ethernet-controller.yaml#
21 const: fsl,qoriq-mc-dpmac
27 pcs-handle:
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Dmicrochip,lan966x-switch.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/net/microchip,lan966x-switch.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Horatiu Vultur <horatiu.vultur@microchip.com>
13 The lan966x switch is a multi-port Gigabit AVB/TSN Ethernet Switch with
14 two integrated 10/100/1000Base-T PHYs. In addition to the integrated PHYs,
15 it supports up to 2RGMII/RMII, up to 3BASE-X/SERDES/2.5GBASE-X and up to
16 2 Quad-SGMII/Quad-USGMII interfaces.
20 pattern: "^switch@[0-9a-f]+$"
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Daltr,tse.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Maxime Chevallier <maxime.chevallier@bootlin.com>
15 - const: altr,tse-1.0
16 - const: ALTR,tse-1.0
18 - const: altr,tse-msgdma-1.0
23 interrupt-names:
25 - const: rx_irq
26 - const: tx_irq
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Dethernet-controller.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/net/ethernet-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - David S. Miller <davem@davemloft.net>
19 local-mac-address:
22 $ref: /schemas/types.yaml#/definitions/uint8-array
26 mac-address:
29 program; should be used in cases where the MAC address assigned
31 local-mac-address property.
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Dmarvell,pp2.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marcin Wojtas <mw@semihalf.com>
11 - Russell King <linux@armlinux.org>
21 - marvell,armada-375-pp2
22 - marvell,armada-7k-pp22
28 "#address-cells":
31 "#size-cells":
37 - description: main controller clock
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/Documentation/devicetree/bindings/ipmi/
Dnpcm7xx-kcs-bmc.txt5 used to perform in-band IPMI communication with their host.
8 - compatible : should be one of
9 "nuvoton,npcm750-kcs-bmc"
10 "nuvoton,npcm845-kcs-bmc", "nuvoton,npcm750-kcs-bmc"
11 - interrupts : interrupt generated by the controller
12 - kcs_chan : The KCS channel number in the controller
17 compatible = "nuvoton,npcm750-lpc-kcs", "simple-mfd", "syscon";
19 reg-io-width = <1>;
21 #address-cells = <1>;
22 #size-cells = <1>;
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Daspeed,ast2400-kcs-bmc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/ipmi/aspeed,ast2400-kcs-bmc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andrew Jeffery <andrew@aj.id.au>
13 The Aspeed BMC SoCs typically use the Keyboard-Controller-Style (KCS)
14 interfaces on the LPC bus for in-band IPMI communication with their host.
19 - description: Channel ID derived from reg
22 - aspeed,ast2400-kcs-bmc-v2
23 - aspeed,ast2500-kcs-bmc-v2
[all …]
/Documentation/networking/
Dsfp-phylink.rst1 .. SPDX-License-Identifier: GPL-2.0
10 phylink is a mechanism to support hot-pluggable networking modules
11 directly connected to a MAC without needing to re-initialise the
12 adapter on hot-plug events.
14 phylink supports conventional phylib-based setups, fixed link setups
25 In PHY mode, we use phylib to read the current link settings from
35 3. In-band mode
37 In-band mode is used with 802.3z, SGMII and similar interface modes,
38 and we are expecting to use and honor the in-band negotiation or
43 .. code-block:: none
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/Documentation/admin-guide/media/
Dvivid.rst1 .. SPDX-License-Identifier: GPL-2.0
8 transmitters, touch capture and a software defined radio receiver. In addition a
13 Each input can be a webcam, TV capture device, S-Video capture device or an HDMI
14 capture device. Each output can be an S-Video output device or an HDMI output
23 - Support for read()/write(), MMAP, USERPTR and DMABUF streaming I/O.
24 - A large list of test patterns and variations thereof
25 - Working brightness, contrast, saturation and hue controls
26 - Support for the alpha color component
27 - Full colorspace support, including limited/full RGB range
28 - All possible control types are present
[all …]
Dsi476x.rst1 .. SPDX-License-Identifier: GPL-2.0
12 -------------------
14 - According to the SiLabs' datasheet it is possible to update the
15 firmware of the radio chip in the run-time, thus bringing it to the
23 -------------------------------
31 * /sys/kernel/debug/<device-name>/acf
32 This file contains ACF(Automatically Controlled Features) status
52 0x05 smute 0 - Audio is not soft muted
53 1 - Audio is soft muted
54 0x06 smattn Soft mute attenuation level in dB
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/Documentation/devicetree/bindings/pci/
Dnvidia,tegra20-pcie.txt4 - compatible: Must be:
5 - "nvidia,tegra20-pcie": for Tegra20
6 - "nvidia,tegra30-pcie": for Tegra30
7 - "nvidia,tegra124-pcie": for Tegra124 and Tegra132
8 - "nvidia,tegra210-pcie": for Tegra210
9 - "nvidia,tegra186-pcie": for Tegra186
10 - power-domains: To ungate power partition by BPMP powergate driver. Must
13 - device_type: Must be "pci"
14 - reg: A list of physical base address and length for each set of controller
15 registers. Must contain an entry for each entry in the reg-names property.
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/Documentation/networking/device_drivers/hamradio/
Dz8530drv.rst1 .. SPDX-License-Identifier: GPL-2.0
5 SCC.C - Linux driver for Z8530 based HDLC cards for AX.25
14 1. ftp://ftp.ccac.rwth-aachen.de/pub/jr/z8530drv-utils_3.0-3.tar.gz
16 2. ftp://ftp.pspt.fi/pub/ham/linux/ax25/z8530drv-utils_3.0-3.tar.gz
18 Please note that the information in this document may be hopelessly outdated.
41 AX.25-HOWTO on how to emulate a KISS TNC on network device drivers.
54 please read 'man insmod' that comes with module-init-tools.
56 You should include the insmod in one of the /etc/rc.d/rc.* files,
64 of your rc.*-files. This has to be done BEFORE you can
92 - this is just a delimiter to make sccinit a bit simpler to
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/Documentation/firmware-guide/acpi/dsd/
Dphy.rst1 .. SPDX-License-Identifier: GPL-2.0
4 MDIO bus and PHYs in ACPI
14 for connecting PHYs on the MDIO bus [dsd-properties-rules] to the MAC layer.
16 These properties are defined in accordance with the "Device
17 Properties UUID For _DSD" [dsd-guide] document and the
18 daffd814-6eba-4d8c-8a91-bc9bbf4aa301 UUID must be used in the Device
21 phy-handle
22 ----------
23 For each MAC node, a device property "phy-handle" is used to reference
30 .. code-block:: none
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/Documentation/driver-api/media/drivers/
Dvidtv.rst1 .. SPDX-License-Identifier: GPL-2.0
10 ----------
18 - A fake tuner driver, which will report a bad signal quality if the chosen
22 - A fake demod driver, which will constantly poll the fake signal quality
26 - A fake bridge driver, which is the module responsible for modprobing the
31 - Code responsible for encoding a valid MPEG Transport Stream, which is then
33 For now, we have a single, audio-only channel containing a single MPEG
34 Elementary Stream, which in turn contains a SMPTE 302m encoded sine-wave.
36 way to encode PCM audio data in a MPEG Transport Stream.
39 --------------
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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.
[all …]
/Documentation/admin-guide/pm/
Dintel-speed-select.rst1 .. SPDX-License-Identifier: GPL-2.0
14 - https://www.intel.com/content/www/us/en/architecture-and-technology/speed-select-technology-artic…
15 - https://builders.intel.com/docs/networkbuilders/intel-speed-select-technology-base-frequency-enha…
17 These capabilities are further enhanced in some of the newer generations of
19 dynamically without pre-configuring via BIOS setup options. This dynamic
27 implemented in the tool in their production software.
29 intel-speed-select configuration tool
32 Most Linux distribution packages may include the "intel-speed-select" tool. If not,
38 # cd tools/power/x86/intel-speed-select/
43 ------------
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/Documentation/ABI/stable/
Dsysfs-driver-mlxreg-io1 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/asic_health
5 Description: This file shows ASIC health status. The possible values are:
6 0 - health failed, 2 - health OK, 3 - ASIC in booting state.
10 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld1_version
11 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld2_version
20 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/fan_dir
25 forward direction - relevant bit is set 0;
26 reversed direction - relevant bit is set 1.
30 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld3_version
39 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/jtag_enable
[all …]
/Documentation/arch/powerpc/
Dpapr_hcalls.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Hypercall Op-codes (hcalls)
10 Virtualization on 64-bit Power Book3S Platforms is based on the PAPR
11 specification [1]_ which describes the run-time environment for a guest
15 - **IBM PowerVM (PHYP)**: IBM's proprietary hypervisor that supports AIX,
16 IBM-i and Linux as supported guests (termed as Logical Partitions
19 - **Qemu/KVM**: Supports PPC64 linux guests running on a PPC64 linux host.
23 a *pSeries guest*. A pseries guest runs in a supervisor mode (HV=0) and must
31 the privilege operation returns a status code and output operands back to the
37 is covered in section 14.5.3 of ref [2]_. Switch to the Hypervisor context is
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/Documentation/userspace-api/
Ddma-buf-alloc-exchange.rst1 .. SPDX-License-Identifier: GPL-2.0
2 .. Copyright 2021-2023 Collabora Ltd.
9 support for sharing pixel-buffer allocations between processes, devices, and
12 approach this sharing for two-dimensional image data.
25 Conceptually a two-dimensional array of pixels. The pixels may be stored
26 in one or more memory buffers. Has width and height in pixels, pixel
30 A span along a single y-axis value, e.g. from co-ordinates (0,100) to
37 A span along a single x-axis value, e.g. from co-ordinates (100,0) to
42 in bytes and at least one handle in some API. May contain one or more
46 A two-dimensional array of some or all of an image's color and alpha
[all …]
/Documentation/devicetree/bindings/input/
Dazoteq,iqs7222.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jeff LaBundy <jeff@labundy.com>
21 - azoteq,iqs7222a
22 - azoteq,iqs7222b
23 - azoteq,iqs7222c
24 - azoteq,iqs7222d
29 irq-gpios:
32 Specifies the GPIO connected to the device's active-low RDY output.
[all …]
/Documentation/filesystems/
Dorangefs.rst1 .. SPDX-License-Identifier: GPL-2.0
7 OrangeFS is an LGPL userspace scale-out parallel storage system. It is ideal
11 Orangefs, originally called PVFS, was first developed in 1993 by
47 OrangeFS is usually run in large installations with multiple servers and
51 On Fedora, install orangefs and orangefs-server::
53 dnf -y install orangefs orangefs-server
55 There is an example server configuration file in
61 There is an example client configuration file in /etc/pvfs2tab. It is a
64 pvfs2-client-core.
68 pvfs2-server -f /etc/orangefs/orangefs.conf
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/Documentation/trace/coresight/
Dcoresight.rst2 Coresight - HW Assisted Tracing on ARM
9 ------------
26 implementation, either storing the compressed stream in a memory buffer or
38 0 CPU 0<-->: C : 0 CPU 0<-->: C : : C : @ STM @ || System ||
39 |->0000000 : T : |->0000000 : T : : T :<--->@@@@@ || Memory ||
40 | #######<-->: I : | #######<-->: I : : I : @@@<-| ||||||||||||
43 | |->### | ! | |->### | ! | ! . | || DAP ||
49 *****************************************************************<-|
63 | * ===== F =====<---------|
65 |-->:: CTI ::<!! === N ===
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/Documentation/power/
Dpci.rst13 power management refer to Documentation/driver-api/pm/devices.rst and
27 1.1. Native and Platform-Based Power Management
28 -----------------------------------------------
30 In general, power management is a feature allowing one to save energy by putting
31 devices into states in which they draw less power (low-power states) at the
34 Usually, a device is put into a low-power state when it is underutilized or
36 again, it has to be put back into the "fully functional" state (full-power
41 PCI devices may be put into low-power states in two ways, by using the device
43 or with the help of platform firmware, such as an ACPI BIOS. In the first
45 in what follows, the device power state is changed as a result of writing a
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