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/drivers/staging/most/Documentation/
A Ddriver_usage.txt21 provides excellent Quality of Service and seamless connectivity for
35 For each of the other two layers a set of modules is provided. Those can be
42 of this layer is designed to handle exactly one of the peripheral
61 specific knowledge of the MOST driver stack and provide an easy way of
94 This layer contains a pool of device drivers that are components of the
116 Section 2 Usage of the MOST Driver
134 configure number of buffers used for this channel
136 configure type of data that will travel over this channel
147 name of the device the link is to be attached to
149 name of the channel the link is to be attached to
[all …]
/drivers/comedi/drivers/ni_routing/
A DREADME19 gain any sense of intuition of which values, or even enums one should use
40 The content of this directory is part of an effort to greatly simplify the use
41 of signal routing capabilities of National Instruments data-acquisition and
53 The impact of this choice implies that one allows the use of CamelScript names
94 valid _direct_ routing capabilities of the board.
115 Creates new csv-files using content of c-files of existing
119 As noted above, the only consistent source of information of valid
123 spreadsheet representations of the routing data. The choice of using a
158 abstracted the names of signals/terminals to a common and intuitive set of
160 for most of NI hardware.
[all …]
/drivers/net/wireless/marvell/mwifiex/
A DREADME7 # accordance with the terms and conditions of the License, a copy of which
107 num_tx_bytes = <number of bytes sent to device>
109 num_tx_pkts = <number of packets sent to device>
134 num_tx_timeout = <number of Tx timeout>
160 cmd_pending = <number of cmd pending>
161 tx_pending = <number of Tx packet pending>
162 rx_pending = <number of Rx packet pending>
176 <offset>: offset of register
215 <offset>: multiples of 4
216 <length>: 4-20, multiples of 4
[all …]
/drivers/pinctrl/intel/
A DKconfig22 allows configuring of SoC pins and using them as GPIOs.
55 of Intel Alder Lake PCH pins and using them as GPIOs.
62 configuring of SoC pins and using them as GPIOs.
69 of Intel Cannon Lake PCH pins and using them as GPIOs.
76 of Intel Cedar Fork PCH pins and using them as GPIOs.
83 of Intel Denverton SoC pins and using them as GPIOs.
97 of Intel Emmitsburg pins and using them as GPIOs.
111 of Intel Ice Lake PCH pins and using them as GPIOs.
125 of Intel Lakefield SoC pins and using them as GPIOs.
132 of Intel Lewisburg pins and using them as GPIOs.
[all …]
/drivers/firmware/arm_scmi/vendors/imx/
A Dimx95.rst13 Control Processor (SCP) to support isolation and management of power domains,
15 runs on a Cortex-M processor and provides an abstraction to many of the
16 underlying features of the hardware. The primary purpose of the SM is to allow
38 The SM adds the concept of logical machines (LMs). These are analogous to
979 - Set the sleep mode of a CPU.
1147 | |If bit[0] of flags is 0, the lower 32 bits of the |
1149 | |reset. If bit[0] of flags is 1, the lower 32 bits of |
1153 | |If bit[0] of flags is 0, the upper 32 bits of the |
1155 | |reset. If bit[0] of flags is 1, the upper 32 bits of |
1454 |uint8 date[16] |Date of build. Null terminated ASCII string of up to 16 |
[all …]
/drivers/net/can/sja1000/
A Dsja1000_platform.c142 err = of_property_read_u32(of, "reg-io-width", &prop); in sp_populate_of()
169 err = of_property_read_u32(of, "nxp,tx-output-mode", &prop); in sp_populate_of()
175 err = of_property_read_u32(of, "nxp,tx-output-config", &prop); in sp_populate_of()
193 if (!of_property_read_bool(of, "nxp,no-comparator-bypass")) in sp_populate_of()
212 MODULE_DEVICE_TABLE(of, sp_of_table);
222 struct device_node *of = pdev->dev.of_node; in sp_probe() local
228 if (!pdata && !of) { in sp_probe()
237 if (of) { in sp_probe()
276 if (of) { in sp_probe()
286 sp_populate_of(priv, of); in sp_probe()
[all …]
/drivers/mtd/ubi/
A DKconfig6 UBI is a software layer above MTD layer which admits use of LVM-like
7 logical volumes on top of MTD devices, hides some complexities of
20 erase counter value and the lowest erase counter value of eraseblocks
21 of UBI devices. When this threshold is exceeded, UBI starts performing
22 wear leveling by means of moving data from eraseblock with low erase
27 However, in case of MLC NAND flashes which typically have eraseblock
29 to 128 or 256, although it does not have to be power of 2).
45 (MaxNVB is basically the total count of eraseblocks on the chip).
88 work on top of UBI. Do not enable this unless you use legacy
92 bool "Read-only block devices on top of UBI volumes"
[all …]
/drivers/gpio/
A DTODO11 ideally have no use or idea of the global GPIO numberspace that has/was
12 used in the inception of the GPIO subsystem.
18 unmanageable: machine board files tend to become full of macros trying to
54 - When this work is complete (will require some of the items in the
61 Get rid of <linux/of_gpio.h>
77 gpiolib-of.c: in some cases subsystems are doing custom flags and
89 Get rid of <linux/gpio/legacy-of-mm-gpiochip.h>
93 - Get rid of struct of_mm_gpio_chip altogether: use the generic MMIO
134 - Move the MMIO GPIO specific fields out of struct gpio_chip into a
152 try to cover any generic kind of irqchip cascaded from a GPIO.
[all …]
/drivers/staging/greybus/Documentation/
A Dsysfs-bus-greybus14 The ID of the "root" greybus device, or bus.
22 ID of the module's primary interface.
37 The ID of a Greybus module, corresponding to the ID of its
45 The number of interfaces of a module.
83 The ID of a Greybus interface.
123 Product ID of a Greybus interface.
138 Vendor ID of a Greybus interface.
167 Vendor ID string of a Greybus interface.
182 The greybus class of the bundle B.
217 The singleton SVC device of bus N.
[all …]
/drivers/infiniband/ulp/rtrs/
A DREADME6 which provides support to establish optimal number of connections
10 In its core interface it follows the BIO semantics of providing the
30 consists of multiple paths, each representing a separate physical link
32 Each path consists of as many connections (QPs) as there are cpus on
55 registration on each IO causes performance drop of up to 20%. A user of the
68 Those include uuid of the session and uuid of the path to be
72 (as many as cpus on the client), the id of the current connection and
97 side or network outage in an absence of IO.
99 7. On any RDMA related error or in the case of a heartbeat timeout, the
166 list of addresses along with keys for the data to be read into.
[all …]
/drivers/atm/
A DKconfig80 may increase the cost of setting up a transfer such that the
155 series. Say Y if you have one of those.
198 the meanings of the bits in the mask.
201 speed of the driver, and the size of your syslog files! When
222 which include a variety of variants in term of the size of the
228 named iphase) here if you have one of these cards.
248 speed of the driver, and the size of your syslog files! When
272 may improve the responsive of the host.
275 int "Maximum number of tx retries"
297 The verbosity of the driver increases with the value of this
[all …]
A Dnicstarmac.copyright7 * interrupts us (except possibly for removal/insertion of the cable?)
8 * 10/4/97 - began heavy inline documentation of the code. Corrected typos
11 * loss of link, and correctly re-enable PHY when link is
24 * Implementing minimal-copy of received data:
30 * copy small buffer contents to head of large buffer.
31 * Trick is to avoid fragmenting Linux, due to need for a lot of large
36 * 2) skb_clone of received buffers
42 * Copyright (c) 1996 University of Cambridge Computer Laboratory
46 * the Free Software Foundation; either version 2 of the License, or
50 * but WITHOUT ANY WARRANTY; without even the implied warranty of
[all …]
/drivers/staging/iio/Documentation/
A Dinkernel.txt3 The IIO subsystem can act as a layer under other elements of the kernel
4 providing a means of obtaining ADC type readings or of driving DAC type
18 matched against the datasheet_name field of the iio_chan_spec.
20 consumer_dev_name allows identification of the consumer device.
27 An array of these structures is then passed to the IIO driver.
36 The result of this is that the IIO core now has all the information needed
47 There are then a number of functions that can be used to get information
52 iio_get_channel_type() - get the type of channel
54 There is also provision for retrieving all of the channels associated
56 iio_hwmon where the number and naming of channels is not known by the
/drivers/md/
A DKconfig46 arrays as part of its boot process.
102 of each other. In the event of a mirror failure, the RAID driver
106 of a single drive, and the set protects against a failure of (N - 1)
130 of redundancy and performance.
148 A RAID-5 set of N drives with a capacity of C MB per drive provides
154 of the available parity distribution methods.
156 A RAID-6 set of N drives with a capacity of C MB per drive
400 A RAID-5 set of N drives with a capacity of C MB per drive provides
406 of the available parity distribution methods.
408 A RAID-6 set of N drives with a capacity of C MB per drive
[all …]
/drivers/scsi/mpt3sas/
A DKconfig9 # modify it under the terms of the GNU General Public License
11 # of the License, or (at your option) any later version.
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
23 # solely responsible for determining the appropriateness of using and
25 # exercise of rights under this Agreement, including but not limited to
26 # the risks and costs of program errors, damage to or loss of data,
38 # You should have received a copy of the GNU General Public License
53 int "LSI MPT Fusion SAS 2.0 Max number of SG Entries (16 - 256)"
58 This option allows you to specify the maximum number of scatter-
65 int "LSI MPT Fusion SAS 3.0 Max number of SG Entries (16 - 256)"
[all …]
/drivers/ntb/hw/idt/
A DKconfig7 This driver supports NTB of capable IDT PCIe-switches.
9 Some of the pre-initializations must be made before IDT PCIe-switch
11 initialization of EEPROM connected to master SMbus of the switch or
16 First of all partitions must be activated and properly assigned to all
20 aperture settings shall determine the maximum size of memory windows
24 It's worth to note, that since a part of this driver relies on the
25 BAR settings of peer NT-functions, the BAR setups can't be done over
/drivers/accessibility/speakup/
A DDefaultKeyAssignments1 This file is intended to give you an overview of the default keys used
12 InsKeyPad-8 say from top of screen to reading cursor.
18 InsKeyPad-4 say from left edge of line to reading cursor.
20 InsKeyPad-6 Say from reading cursor to right edge of line.
26 InsKeyPad-plus Say from reading cursor line to bottom of screen.
30 InsKeyPad-period say colour attributes of current position.
31 InsKeyPad-9 Move reading cursor to top of screen (insert pgup)
32 InsKeyPad-3 Move reading cursor to bottom of screen (insert pgdn)
33 InsKeyPad-7 Move reading cursor to left edge of screen (insert home)
34 InsKeyPad-1 Move reading cursor to right edge of screen (insert end)
/drivers/clk/baikal-t1/
A DKconfig7 Clocks Control Unit is the core of Baikal-T1 SoC System Controller
9 consists of multiple global clock domains, which can be reset by
10 means of the CCU control registers. These domains and devices placed
11 in them are fed with clocks generated by a hierarchy of PLLs,
23 System Controller. These are five PLLs placed at the root of the
25 (normally of 25MHz). They are used to generate high frequency
28 then used as an individual reference clock of a target device.
36 between AXI-bus and system devices coming from CCU PLLs of Baikal-T1
38 either gateable or ungateable. Some of the CCU dividers can be as well
/drivers/char/agp/
A DKconfig8 connect graphics cards to the rest of the system.
12 as a sort of "AGP driver" for the motherboard's chipset.
17 and have up to a couple gigs of texture space.
34 This option gives you AGP support for the GLX component of
49 This option gives you AGP support for the GLX component of
50 X on the ATI RadeonIGP family of chipsets.
56 This option gives you AGP support for the GLX component of
63 This option gives you AGP support for the GLX component of
85 This option gives you AGP support for the GLX component of
92 This option gives you AGP support for the GLX component of
[all …]
/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/
A Dhost.fuc4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
8 * and/or sell copies of the Software, and to permit persons to whom the
12 * all copies or substantial portions of the Software.
40 .equ #fifo_qlen 4 // log2(size of queue entry in bytes)
41 .equ #fifo_qnum 3 // log2(max number of entries in queue)
42 .equ #fifo_qmaskb (1 << #fifo_qnum) // max number of entries in queue
49 .equ #rfifo_qlen 4 // log2(size of queue entry in bytes)
50 .equ #rfifo_qnum 3 // log2(max number of entries in queue)
71 // calculate address of message
[all …]
/drivers/staging/most/Documentation/ABI/
A Dsysfs-class-most.txt6 List of AIMs that have been loaded.
14 This is used to establish a connection of a channel and the
32 List of attached MOST interfaces.
50 Indicates the type of peripheral interface the current device
212 Indicates the directions the current channel is capable of.
256 This is to configure the number of buffers of the current channel.
264 This is to configure the size of a buffer of the current channel.
272 This is to configure the direction of the current channel.
283 This is to configure the data type of the current channel.
304 This is to configure the number of packets per transaction of
[all …]
/drivers/cxl/
A DKconfig17 Say 'y' to enable support for the configuration and management of
71 consumes these resource to publish the root of a cxl_port decode
102 specification for a detailed description of HDM.
111 supports commands that allows listing, getting, and setting of
125 control the EDAC memory features configurations of CXL memory
129 of a memory RAS feature established by the platform/device.
146 of a memory scrub feature established by the platform/device
156 control the ECS feature configurations of CXL memory expander
164 of a memory ECS feature established by the platform/device.
174 configurations of CXL memory expander devices.
[all …]
/drivers/net/can/peak_canfd/
A DKconfig9 CAN-FD access to the CAN bus. Besides the nominal bitrate of up to
10 1 Mbit/s, the data bytes of CAN-FD frames can be transmitted with
11 up to 12 Mbit/s. A galvanic isolation of the CAN ports protects the
12 electronics of the card and the respective computer against
13 disturbances of up to 500 Volts. The PCAN-PCI Express FD can be
14 operated with ambient temperatures in a range of -40 to +85 °C.
/drivers/mtd/
A DKconfig8 themselves with the kernel and for potential users of MTD devices
11 particular hardware and users of MTD devices. If unsure, say N.
23 WARNING: some of the tests will ERASE entire MTD device which they
45 on RAM chips in this manner. This block device is a user of MTD
81 is part of the PCMCIA specification. It uses a kind of pseudo-
88 hardware, although under the terms of the GPL you're obviously
105 hardware, although under the terms of the GPL you're obviously
124 a block device with 512-byte sectors, on top of which you put
141 of General Software. There is a blurb at:
164 valuable data, do backups regardless of software/hardware you
[all …]
/drivers/crypto/caam/
A DKconfig32 Selecting this will enable printing of various debug
40 Enables the driver module for Job Rings which are part of
55 Select size of Job Rings as a power of 2, within the
81 Select number of descriptor completions to queue before
83 of 1 functionally defeats the coalescing feature, and a selection
92 Select number of bus clocks/64 to timeout in the case that one or
106 Selecting this will offload crypto for users of the
122 than job ring interface when the number of cores are more than the
123 number of job rings assigned to the kernel. The number of portals
124 assigned to the kernel should also be more than the number of
[all …]

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