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/Linux-v5.4/drivers/clk/qcom/
DKconfig25 Support for the A53 PLL on MSM8916 devices. It provides
28 devices.
34 Support for the APCS Clock Controller on msm8916 devices. The
36 Say Y if you want to support CPU frequency scaling on devices
78 Support for the global clock controller on apq8084 devices.
79 Say Y if you want to use peripheral devices such as UART, SPI,
87 Support for the multimedia clock controller on apq8084 devices.
88 Say Y if you want to support multimedia devices such as display,
94 Support for the global clock controller on ipq4019 devices.
95 Say Y if you want to use peripheral devices such as UART, SPI,
[all …]
/Linux-v5.4/Documentation/ABI/testing/
Dsysfs-devices-system-cpu1 What: /sys/devices/system/cpu/
10 /sys/devices/system/cpu/cpu#/
12 What: /sys/devices/system/cpu/kernel_max
13 /sys/devices/system/cpu/offline
14 /sys/devices/system/cpu/online
15 /sys/devices/system/cpu/possible
16 /sys/devices/system/cpu/present
40 What: /sys/devices/system/cpu/probe
41 /sys/devices/system/cpu/release
56 What: /sys/devices/system/cpu/cpu#/node
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Dsysfs-devices-platform-ipmi1 What: /sys/devices/platform/ipmi_bmc.*/firmware_revision
9 What: /sys/devices/platform/ipmi_bmc.*/aux_firmware_revision
20 What: /sys/devices/platform/ipmi_bmc.*/revision
30 What: /sys/devices/platform/ipmi_bmc.*/provides_device_sdrs
39 What: /sys/devices/platform/ipmi_bmc.*/device_id
50 What: /sys/devices/platform/ipmi_bmc.*/additional_device_support
60 What: /sys/devices/platform/ipmi_bmc.*/ipmi_version
68 What: /sys/devices/platform/ipmi_bmc.*/manufacturer_id
78 What: /sys/devices/platform/ipmi_bmc.*/product_id
91 What: /sys/devices/platform/ipmi_bmc.*/guid
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Dsysfs-bus-iio1 What: /sys/bus/iio/devices/iio:deviceX
9 What: /sys/bus/iio/devices/triggerX
22 What: /sys/bus/iio/devices/iio:deviceX/buffer
28 What: /sys/bus/iio/devices/iio:deviceX/name
35 What: /sys/bus/iio/devices/iio:deviceX/current_timestamp_clock
42 What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency
43 What: /sys/bus/iio/devices/iio:deviceX/buffer/sampling_frequency
44 What: /sys/bus/iio/devices/triggerX/sampling_frequency
48 Some devices have internal clocks. This parameter sets the
49 resulting sampling frequency. In many devices this
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Dsysfs-bus-coresight-devices-etm4x1 What: /sys/bus/coresight/devices/<memory_map>.etm/enable_source
11 What: /sys/bus/coresight/devices/<memory_map>.etm/cpu
17 What: /sys/bus/coresight/devices/<memory_map>.etm/nr_pe_cmp
24 What: /sys/bus/coresight/devices/<memory_map>.etm/nr_addr_cmp
31 What: /sys/bus/coresight/devices/<memory_map>.etm/nr_cntr
38 What: /sys/bus/coresight/devices/<memory_map>.etm/nr_ext_inp
44 What: /sys/bus/coresight/devices/<memory_map>.etm/numcidc
51 What: /sys/bus/coresight/devices/<memory_map>.etm/numvmidc
58 What: /sys/bus/coresight/devices/<memory_map>.etm/nrseqstate
65 What: /sys/bus/coresight/devices/<memory_map>.etm/nr_resource
[all …]
Dsysfs-devices-memory1 What: /sys/devices/system/memory
5 The /sys/devices/system/memory contains a snapshot of the
12 What: /sys/devices/system/memory/memoryX/removable
16 The file /sys/devices/system/memory/memoryX/removable
24 What: /sys/devices/system/memory/memoryX/phys_device
28 The file /sys/devices/system/memory/memoryX/phys_device
32 What: /sys/devices/system/memory/memoryX/phys_index
36 The file /sys/devices/system/memory/memoryX/phys_index
41 What: /sys/devices/system/memory/memoryX/state
45 The file /sys/devices/system/memory/memoryX/state
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Dsysfs-devices-power1 What: /sys/devices/.../power/
5 The /sys/devices/.../power directory contains attributes
9 What: /sys/devices/.../power/wakeup
13 The /sys/devices/.../power/wakeup attribute allows the user
19 Some devices support "wakeup" events, which are hardware signals
20 used to activate the system from a sleep state. Such devices
31 For the devices that are not capable of generating system wakeup
35 What: /sys/devices/.../power/control
39 The /sys/devices/.../power/control attribute allows the user
42 All devices have one of the following two values for the
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Dsysfs-platform-hidma-mgmt1 What: /sys/devices/platform/hidma-mgmt*/chanops/chan*/priority
2 /sys/devices/platform/QCOM8060:*/chanops/chan*/priority
10 What: /sys/devices/platform/hidma-mgmt*/chanops/chan*/weight
11 /sys/devices/platform/QCOM8060:*/chanops/chan*/weight
19 What: /sys/devices/platform/hidma-mgmt*/chreset_timeout_cycles
20 /sys/devices/platform/QCOM8060:*/chreset_timeout_cycles
31 What: /sys/devices/platform/hidma-mgmt*/dma_channels
32 /sys/devices/platform/QCOM8060:*/dma_channels
40 What: /sys/devices/platform/hidma-mgmt*/hw_version_major
41 /sys/devices/platform/QCOM8060:*/hw_version_major
[all …]
Dsysfs-bus-coresight-devices-etm3x1 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/enable_source
11 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/addr_idx
18 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/addr_acctype
29 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/addr_range
37 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/addr_single
45 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/addr_start
53 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/addr_stop
61 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/cntr_idx
67 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/cntr_event
74 What: /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/cntr_val
[all …]
Dsysfs-bus-usb1 What: /sys/bus/usb/devices/INTERFACE/authorized
14 What: /sys/bus/usb/devices/usbX/interface_authorized_default
26 Authorized devices are available for use by device
28 USB devices are authorized.
30 Certified Wireless USB devices are not authorized
39 For Certified Wireless USB devices only.
41 A devices's CDID, as 16 space-separated hex octets.
48 For Certified Wireless USB devices only.
59 For Certified Wireless USB devices only.
123 What: /sys/bus/usb/devices/.../power/usb2_hardware_lpm
[all …]
Dsysfs-bus-thunderbolt1 What: /sys/bus/thunderbolt/devices/.../domainX/boot_acl
7 startup (e.g boot devices). The list always contains
24 What: /sys/bus/thunderbolt/devices/.../domainX/iommu_dma_protection
33 What: /sys/bus/thunderbolt/devices/.../domainX/security
40 none: All devices are automatically authorized
41 user: Devices are only authorized based on writing
43 secure: Require devices that support secure connect at
51 What: /sys/bus/thunderbolt/devices/.../authorized
55 Description: This attribute is used to authorize Thunderbolt devices
57 authorized, no devices such as PCIe and Display port are
[all …]
/Linux-v5.4/Documentation/ABI/stable/
Dsysfs-driver-mlxreg-io1 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/asic_health
11 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld1_version
12 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld2_version
21 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/fan_dir
32 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/jtag_enable
42 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/jtag_enable
52 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/select_iio
56 Description: This file allows iio devices selection.
59 selects which one of iio devices can be accessed.
63 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/psu1_on
[all …]
Dsysfs-devices-node1 What: /sys/devices/system/node/possible
7 What: /sys/devices/system/node/online
13 What: /sys/devices/system/node/has_normal_memory
19 What: /sys/devices/system/node/has_cpu
25 What: /sys/devices/system/node/has_high_memory
32 What: /sys/devices/system/node/nodeX
40 What: /sys/devices/system/node/nodeX/cpumap
46 What: /sys/devices/system/node/nodeX/cpulist
52 What: /sys/devices/system/node/nodeX/meminfo
59 What: /sys/devices/system/node/nodeX/numastat
[all …]
Dsysfs-bus-vmbus1 What: /sys/bus/vmbus/devices/<UUID>/id
8 What: /sys/bus/vmbus/devices/<UUID>/class_id
15 What: /sys/bus/vmbus/devices/<UUID>/device_id
22 What: /sys/bus/vmbus/devices/<UUID>/channel_vp_mapping
31 What: /sys/bus/vmbus/devices/<UUID>/device
38 What: /sys/bus/vmbus/devices/<UUID>/vendor
45 What: /sys/bus/vmbus/devices/<UUID>/numa_node
52 What: /sys/bus/vmbus/devices/<UUID>/channels/<N>
59 What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/cpu
66 What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/cpu
[all …]
/Linux-v5.4/drivers/staging/greybus/tools/
DREADME.loopback20 (typically under "/sys/bus/graybus/devices").
71 - Calculate the aggregate results for multiple devices.
82 -S sysfs location - location for greybus 'endo' entries default /sys/bus/greybus/devices/
92 -l list found loopback devices and exit.
104 echo 0 > /sys/bus/greybus/devices/1-2.17/type
105 echo 0 > /sys/bus/greybus/devices/1-2.17/async
106 echo 2000 > /sys/bus/greybus/devices/1-2.17/us_wait
107 echo 100 > /sys/bus/greybus/devices/1-2.17/size
108 echo 1000 > /sys/bus/greybus/devices/1-2.17/iteration_max
109 echo 0 > /sys/bus/greybus/devices/1-2.17/mask
[all …]
/Linux-v5.4/Documentation/admin-guide/
Dsysfs-rules.rst38 - devices are only "devices"
39 There is no such thing like class-, bus-, physical devices,
43 applications that look for devices in sysfs.
47 - devpath (``/devices/pci0000:00/0000:00:1d.1/usb2/2-2/2-2:1.0``)
55 pointing to /sys/devices must always be resolved to their real
80 - devices which do not have "driver"-link just do not have a
94 - Properties of parent devices never belong into a child device.
95 Always look at the parent devices themselves for determining device
104 and this is below: ``/sys/devices.``
109 There are currently three places for classification of devices:
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Dthunderbolt.rst6 a database of the authorized devices and prompts users for new connections.
8 More details about the sysfs interface for Thunderbolt devices can be
17 This will authorize all devices automatically when they appear. However,
25 (usbonly). The reason for these is the fact that the connected devices can
33 All devices are automatically connected by the firmware. No user
40 ``/sys/bus/thunderbolt/devices``, the user then can make the decision.
61 ``/sys/bus/thunderbolt/devices/domainX/security`` where ``domainX`` is
70 ``/sys/bus/thunderbolt/devices``. The device directory carries
74 Authorizing devices when security level is ``user`` or ``secure``
78 /sys/bus/thunderbolt/devices/0-1/authorized - 0
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/Linux-v5.4/drivers/iio/dac/
DKconfig10 tristate "Analog Devices AD5064 and similar multi-channel DAC driver"
13 Say yes here to build support for Analog Devices AD5024, AD5025, AD5044,
24 tristate "Analog Devices AD5360/61/62/63/70/71/73 DAC driver"
27 Say yes here to build support for Analog Devices AD5360, AD5361,
35 tristate "Analog Devices AD5380/81/82/83/84/90/91/92 DAC driver"
40 Say yes here to build support for Analog Devices AD5380, AD5381,
48 tristate "Analog Devices AD5421 DAC driver"
51 Say yes here to build support for Analog Devices AD5421 loop-powered
58 tristate "Analog Devices AD5446 and similar single channel DACs driver"
61 Say yes here to build support for Analog Devices AD5300, AD5301, AD5310,
[all …]
/Linux-v5.4/drivers/bluetooth/
DKconfig28 This driver is required if you want to use Bluetooth devices with
31 Say Y here to compile support for Bluetooth USB devices into the
35 bool "Enable USB autosuspend for Bluetooth USB devices by default"
38 Say Y here to enable USB autosuspend for Bluetooth USB devices by
85 Say Y here to compile support for Bluetooth SDIO devices into the
95 This driver is required if you want to use Bluetooth devices with
97 UART based Bluetooth PCMCIA and CF devices like Xircom Credit Card
100 Say Y here to compile support for Bluetooth UART devices into the
113 device and host. This protocol is required for most Bluetooth devices
128 device and host. This protocol is required for Bluetooth devices
[all …]
/Linux-v5.4/Documentation/s390/
Dcommon_io.rst19 The given devices will be ignored by the common I/O-layer; no detection
20 and device sensing will be done on any of those devices. The subchannel to
27 The devices must be given either as bus ids (0.x.abcd) or as hexadecimal
31 You can use the 'all' keyword to ignore all devices. The 'ipldev' and 'condev'
42 will ignore all devices ranging from 0.0.0023 to 0.0.0042 and the device
49 will ignore all devices but 0.0.4711, 0.0.fd00, 0.0.fd01, 0.0.fd02.
51 By default, no devices are ignored.
59 Lists the ranges of devices (by bus id) which are ignored by common I/O.
61 You can un-ignore certain or all devices by piping to /proc/cio_ignore.
62 "free all" will un-ignore all ignored devices,
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/Linux-v5.4/drivers/staging/most/Documentation/ABI/
Dsysfs-bus-most.txt1 What: /sys/bus/most/devices/.../description
11 What: /sys/bus/most/devices/.../interface
19 What: /sys/bus/most/devices/.../dci
29 What: /sys/bus/most/devices/.../dci/arb_address
38 What: /sys/bus/most/devices/.../dci/arb_value
47 What: /sys/bus/most/devices/.../dci/mep_eui48_hi
55 What: /sys/bus/most/devices/.../dci/mep_eui48_lo
63 What: /sys/bus/most/devices/.../dci/mep_eui48_mi
71 What: /sys/bus/most/devices/.../dci/mep_filter
79 What: /sys/bus/most/devices/.../dci/mep_hash0
[all …]
Dsysfs-class-most.txt27 What: /sys/class/most/mostcore/devices
35 What: /sys/class/most/mostcore/devices/<mdev>/description
45 What: /sys/class/most/mostcore/devices/<mdev>/interface
54 What: /sys/class/most/mostcore/devices/<mdev>/dci
65 What: /sys/class/most/mostcore/devices/<mdev>/dci/arb_address
74 What: /sys/class/most/mostcore/devices/<mdev>/dci/arb_value
83 What: /sys/class/most/mostcore/devices/<mdev>/dci/mep_eui48_hi
91 What: /sys/class/most/mostcore/devices/<mdev>/dci/mep_eui48_lo
99 What: /sys/class/most/mostcore/devices/<mdev>/dci/mep_eui48_mi
107 What: /sys/class/most/mostcore/devices/<mdev>/dci/mep_filter
[all …]
/Linux-v5.4/drivers/staging/greybus/Documentation/
Dsysfs-bus-greybus1 What: /sys/bus/greybus/devices/greybusN
9 What: /sys/bus/greybus/devices/greybusN/bus_id
16 What: /sys/bus/greybus/devices/N-M
24 What: /sys/bus/greybus/devices/N-M/eject
32 What: /sys/bus/greybus/devices/N-M/module_id
40 What: /sys/bus/greybus/devices/N-M/num_interfaces
47 What: /sys/bus/greybus/devices/N-M.I
55 What: /sys/bus/greybus/devices/N-M.I/current_now
62 What: /sys/bus/greybus/devices/N-M.I/ddbl1_manufacturer_id
70 What: /sys/bus/greybus/devices/N-M.I/ddbl1_product_id
[all …]
/Linux-v5.4/drivers/hid/
DKconfig16 devices (such as, but not strictly limited to, Bluetooth) are
19 together with generic HID layer code. The HID devices are added and
30 bool "Battery level reporting for HID devices"
35 This option adds support of reporting battery strength (for HID devices
43 Say Y here if you want to support HID devices (from the USB
45 devices, like monitor controls and Uninterruptable Power Supplies.
47 This module supports these devices separately using a separate
66 corresponding HID Device Driver or provides input devices on top of your
84 Support for generic devices on the HID bus. This includes most
133 Support for some Apple devices which less or more break
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/Linux-v5.4/Documentation/driver-api/driver-model/
Dporting.rst15 Most of the work of porting devices drivers to the new model happens
82 subdirectories: 'devices' and 'drivers'::
86 |-- devices
91 Step 2: Registering Devices.
127 When devices are discovered or registered with the bus type, the
133 necessary for representing devices in sysfs.
138 The driver model maintains an ordered list of devices that it uses
140 devices are shutdown before their physical parents, and vice versa.
142 devices.
176 This should happen on buses that support hotpluggable devices.
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