| /Documentation/fb/ |
| D | sisfb.rst | 8 - SiS 300 series: SiS 300/305, 540, 630(S), 730(S)
9 - SiS 315 series: SiS 315/H/PRO, 55x, (M)65x, 740, (M)661(F/M)X, (M)741(GX)
10 - SiS 330 series: SiS 330 ("Xabre"), (M)760
16 sisfb is eg. useful if you want a high-resolution text console. Besides that,
38 Well, it depends: If compiled statically into the kernel, use lilo's append
39 statement to add the parameters to the kernel command line. Please see lilo's
40 (or GRUB's) documentation for more information. If sisfb is a kernel module,
46 append="video=sisfb:mode:1024x768x16,mem:12288,rate:75"
50 modprobe sisfb mode=1024x768x16 rate=75 mem=12288
54 the parameter format is video=sisfb:mode:none or video=sisfb:mode:1024x768x16
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| /Documentation/arch/arm/nwfpe/ |
| D | todo.rst | 6 POW{cond}<S|D|E>{P,M,Z} Fd, Fn, <Fm,#value> - power
7 RPW{cond}<S|D|E>{P,M,Z} Fd, Fn, <Fm,#value> - reverse power
8 POL{cond}<S|D|E>{P,M,Z} Fd, Fn, <Fm,#value> - polar angle (arctan2)
10 LOG{cond}<S|D|E>{P,M,Z} Fd, <Fm,#value> - logarithm to base 10
11 LGN{cond}<S|D|E>{P,M,Z} Fd, <Fm,#value> - logarithm to base e
12 EXP{cond}<S|D|E>{P,M,Z} Fd, <Fm,#value> - exponent
13 SIN{cond}<S|D|E>{P,M,Z} Fd, <Fm,#value> - sine
14 COS{cond}<S|D|E>{P,M,Z} Fd, <Fm,#value> - cosine
15 TAN{cond}<S|D|E>{P,M,Z} Fd, <Fm,#value> - tangent
16 ASN{cond}<S|D|E>{P,M,Z} Fd, <Fm,#value> - arcsine
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| /Documentation/ABI/testing/ |
| D | sysfs-driver-intc_sar | 4 Contact: Shravan S <s.shravan@intel.com>,
7 Specific Absorption Rate (SAR) regulatory mode is typically
11 the current SAR regulatory mode on the Dynamic SAR driver using
13 this sysfs node, the currently configured regulatory mode value
23 - The regulatory mode value has one of the above values.
24 - The default regulatory mode used in the driver is 0.
29 Contact: Shravan S <s.shravan@intel.com>,
36 - device_mode
37 - bandtable_index
38 - antennatable_index
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| D | sysfs-class-power-rt9467 | 1 What: /sys/class/power_supply/rt9467-*/sysoff_enable
6 This entry allows enabling the sysoff mode of rt9467 charger
10 device datasheet for details. It's commonly used when the
11 product enter shipping stage. After entering shipping mode,
12 only 'VBUS' or 'Power key" pressed can make it leave this mode.
13 'Disable' also can help to leave it, but it's more like to
14 abort the action before the device really enter shipping mode.
18 - 1: enabled
19 - 0: disabled
|
| D | sysfs-class-led-driver-lm3533 | 7 ALS-current-control mode (1, 2), where:
19 Enable ALS-current-control mode (0, 1).
33 3 1.049 s
34 4 2.097 s
35 5 4.194 s
36 6 8.389 s
37 7 16.78 s
52 Set the brightness-mapping mode (0, 1), where:
55 0 exponential mode
56 1 linear mode
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|
| /Documentation/virt/kvm/ |
| D | vcpu-requests.rst | 1 .. SPDX-License-Identifier: GPL-2.0
46 ----------
48 The goal of a VCPU kick is to bring a VCPU thread out of guest mode in
50 a guest mode exit. However, a VCPU thread may not be in guest mode at the
51 time of the kick. Therefore, depending on the mode and state of the VCPU
55 1) Send an IPI. This forces a guest mode exit.
57 mode that wait on waitqueues. Waking them removes the threads from
60 3) Nothing. When the VCPU is not in guest mode and the VCPU thread is not
63 VCPU Mode
64 ---------
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|
| /Documentation/arch/arm64/ |
| D | memory-tagging-extension.rst | 8 Date: 2020-02-25
18 (Top Byte Ignore) feature and allows software to access a 4-bit
19 allocation tag for each 16-byte granule in the physical address space.
20 Such memory range must be mapped with the Normal-Tagged memory
21 attribute. A logical tag is derived from bits 59-56 of the virtual
34 --------
40 ``PROT_MTE`` - Pages allow access to the MTE allocation tags.
43 user address space and preserved on copy-on-write. ``MAP_SHARED`` is
47 RAM-based file mappings (``tmpfs``, ``memfd``). Passing it to other
48 types of mapping will result in ``-EINVAL`` returned by these system
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|
| /Documentation/driver-api/mtd/ |
| D | spi-nor.rst | 6 -----------------------------------
11 standard set of internal read-only parameter tables.
14 flash's parameters and settings. If the flash defines the SFDP tables
15 it's likely that you won't need a flash entry at all, and instead
17 on its SFDP data. All one has to do is to specify the "jedec,spi-nor"
28 -----------------------------
30 Do all the tests from below and paste them in the commit's comments
31 section, after the ``---`` marker.
41 root@1:~# cat /sys/bus/spi/devices/spi0.0/spi-nor/partname
43 root@1:~# cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id
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|
| /Documentation/driver-api/thermal/ |
| D | exynos_thermal_emulation.rst | 2 Exynos Emulation Mode
10 -----------
12 Exynos 4x12 (4212, 4412) and 5 series provide emulation mode for thermal
13 management unit. Thermal emulation mode supports software debug for
14 TMU's operation. User can set temperature manually with software code
15 and TMU will read current temperature from user value not from sensor's
19 available. When it's enabled, sysfs node will be created as
24 automatically enable emulation mode and current temperature will be
31 Exynos emulation mode requires synchronous of value changing and
33 next temperature, then you have to enable emulation mode at the same
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| /Documentation/devicetree/bindings/interrupt-controller/ |
| D | intel,ce4100-lapic.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/intel,ce4100-lapic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rahul Tanwar <rtanwar@maxlinear.com>
13 Intel's Advanced Programmable Interrupt Controller (APIC) is a
17 (lapic) receives interrupts from the processor's interrupt pins,
22 Many of the Intel's generic devices like hpet, ioapic, lapic have
28 [1] https://pdos.csail.mit.edu/6.828/2008/readings/ia32/IA32-3A.pdf
32 const: intel,ce4100-lapic
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|
| /Documentation/devicetree/bindings/input/touchscreen/ |
| D | azoteq,iqs7211.yaml | 1 # 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>
13 The Azoteq IQS7210A, IQS7211A and IQS7211E trackpad and touchscreen control-
14 lers employ projected-capacitance sensing and can track two contacts.
21 - azoteq,iqs7210a
22 - azoteq,iqs7211a
23 - azoteq,iqs7211e
28 irq-gpios:
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|
| /Documentation/admin-guide/mm/ |
| D | numa_memory_policy.rst | 10 supported platforms with Non-Uniform Memory Access architectures since 2.4.?.
16 (``Documentation/admin-guide/cgroup-v1/cpusets.rst``)
19 programming interface that a NUMA-aware application can take advantage of. When
28 ------------------------
41 not to overload the initial boot node with boot-time
45 this is an optional, per-task policy. When defined for a
61 In a multi-threaded task, task policies apply only to the thread
75 A "VMA" or "Virtual Memory Area" refers to a range of a task's
83 this region of the address space. Any regions of the task's
98 mapping-- i.e., at Copy-On-Write.
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|
| /Documentation/devicetree/bindings/power/reset/ |
| D | reboot-mode.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/reset/reboot-mode.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Generic reboot mode core map
10 - Andy Yan <andy.yan@rock-chips.com>
13 This driver get reboot mode arguments and call the write
18 All mode properties are vendor specific, it is a indication to tell
20 as mode-xxx = <magic> (xxx is mode name, magic should be a non-zero value).
23 - normal: Normal reboot mode, system reboot with command "reboot".
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|
| /Documentation/devicetree/bindings/media/i2c/ |
| D | adv7343.txt | 3 The ADV7343 are high speed, digital-to-analog video encoders in a 64-lead LQFP
4 package. Six high speed, 3.3 V, 11-bit video DACs provide support for composite
5 (CVBS), S-Video (Y-C), and component (YPrPb/RGB) analog outputs in standard
10 - compatible: Must be "adi,adv7343"
13 - adi,power-mode-sleep-mode: on enable the current consumption is reduced to
16 - adi,power-mode-pll-ctrl: PLL and oversampling control. This control allows
19 - ad,adv7343-power-mode-dac: array configuring the power on/off DAC's 1..6,
22 - ad,adv7343-sd-config-dac-out: array configure SD DAC Output's 1 and 2, 0 = OFF
38 adi,power-mode-sleep-mode;
39 adi,power-mode-pll-ctrl;
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|
| /Documentation/sound/cards/ |
| D | serial-u16550.rst | 7 * 0 - Roland Soundcanvas support (default)
8 * 1 - Midiator MS-124T support (1)
9 * 2 - Midiator MS-124W S/A mode (2)
10 * 3 - MS-124W M/B mode support (3)
11 * 4 - Generic device with multiple input support (4)
13 For the Midiator MS-124W, you must set the physical M-S and A-B
14 switches on the Midiator to match the driver mode you select.
16 In Roland Soundcanvas mode, multiple ALSA raw MIDI substreams are supported
17 (midiCnD0-midiCnD15). Whenever you write to a different substream, the driver
28 /sbin/modprobe snd-serial-u16550 port=0x3f8 irq=4 speed=115200
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|
| /Documentation/devicetree/bindings/regulator/ |
| D | qcom,rpm-regulator.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/regulator/qcom,rpm-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
15 The regulator node houses sub-nodes for each regulator within the device.
16 Each sub-node is identified using the node's name, with valid values listed
28 l29, lvs1, lvs2, lvs3, lvs4, lvs5, lvs6, lvs7, usb-switch, hdmi-switch,
37 - Bjorn Andersson <andersson@kernel.org>
42 - qcom,rpm-pm8058-regulators
43 - qcom,rpm-pm8901-regulators
[all …]
|
| /Documentation/networking/device_drivers/can/ |
| D | can327.rst | 1 .. SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
7 --------
14 -----------
21 Let's use ELM327s as CAN adapters.
26 -------------
33 order to fake full-duplex operation.
36 enough to implement simple request-response protocols (such as OBD II),
50 -----------
59 ----------------------------------
62 of 38400 baud/s, 8 data bits, no parity, 1 stopbit.
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|
| /Documentation/arch/x86/ |
| D | entry_64.rst | 1 .. SPDX-License-Identifier: GPL-2.0
8 arch/x86/entry/entry_64.S. A lot of this explanation is adapted from
15 arch/x86/kernel/traps.c and implemented in arch/x86/entry/entry_64.S
16 for 64-bit, arch/x86/entry/entry_32.S for 32-bit and finally
17 arch/x86/entry/entry_64_compat.S which implements the 32-bit compatibility
18 syscall entry points and thus provides for 32-bit processes the
19 ability to execute syscalls when running on 64-bit kernels.
25 - system_call: syscall instruction from 64-bit code.
27 - entry_INT80_compat: int 0x80 from 32-bit or 64-bit code; compat syscall
30 - entry_INT80_compat, ia32_sysenter: syscall and sysenter from 32-bit
[all …]
|
| /Documentation/admin-guide/laptops/ |
| D | laptop-mode.rst | 2 How to conserve battery power using laptop-mode
12 ------------
14 Laptop mode is used to minimize the time that the hard disk needs to be spun up,
31 ------------
33 To use laptop mode, you don't need to set any kernel configuration options
35 laptop mode will automatically be started when you're on battery. For
40 To configure laptop mode, you need to edit the configuration file, which is
41 located in /etc/default/laptop-mode on Debian-based systems, or in
42 /etc/sysconfig/laptop-mode on other systems.
44 Unfortunately, automatic enabling of laptop mode does not work for
[all …]
|
| /Documentation/devicetree/bindings/input/ |
| D | iqs626a.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jeff LaBundy <jeff@labundy.com>
13 The Azoteq IQS626A is a 14-channel capacitive touch controller that features
14 additional Hall-effect and inductive sensing capabilities.
19 - $ref: touchscreen/touchscreen.yaml#
31 "#address-cells":
34 "#size-cells":
37 azoteq,suspend-mode:
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|
| D | azoteq,iqs7222.yaml | 1 # 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/devicetree/bindings/powerpc/fsl/ |
| D | mpc5121-psc.txt | 3 PSC in UART mode
4 ----------------
6 For PSC in UART mode the needed PSC serial devices
7 are specified by fsl,mpc5121-psc-uart nodes in the
8 fsl,mpc5121-immr SoC node. Additionally the PSC FIFO
9 Controller node fsl,mpc5121-psc-fifo is required there:
11 fsl,mpc512x-psc-uart nodes
12 --------------------------
15 - compatible : Should contain "fsl,<soc>-psc-uart" and "fsl,<soc>-psc"
16 Supported <soc>s: mpc5121, mpc5125
[all …]
|
| /Documentation/devicetree/bindings/phy/ |
| D | ti,phy-gmii-sel.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/
4 ---
5 $id: http://devicetree.org/schemas/phy/ti,phy-gmii-sel.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: CPSW Port's Interface Mode Selection PHY
11 - Kishon Vijay Abraham I <kishon@ti.com>
16 The interface mode is selected by configuring the MII mode selection register(s)
17 (GMII_SEL) in the System Control Module chapter (SCM). GMII_SEL register(s) and
20 +--------------+
[all …]
|
| /Documentation/hwmon/ |
| D | max31827.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 Addresses scanned: I2C 0x40 - 0x5f
20 Addresses scanned: I2C 0x40 - 0x5f
28 Addresses scanned: I2C 0x40 - 0x5f
34 - Daniel Matyas <daniel.matyas@analog.com>
37 -----------
40 between them is found in the default power-on behaviour of the chips. While the
41 MAX31827's fault queue is set to 1, the other two chip's fault queue is set to
42 4. Besides this, the MAX31829's alarm active state is high, while the other two
43 chip's alarms are active on low. It is important to note that the chips can be
[all …]
|
| /Documentation/driver-api/md/ |
| D | raid5-cache.rst | 7 caches data to the RAID disks. The cache can be in write-through (supported
8 since 4.4) or write-back mode (supported since 4.10). mdadm (supported since
9 3.4) has a new option '--write-journal' to create array with cache. Please
11 in write-through mode. A user can switch it to write-back mode by::
13 echo "write-back" > /sys/block/md0/md/journal_mode
15 And switch it back to write-through mode by::
17 echo "write-through" > /sys/block/md0/md/journal_mode
22 write-through mode
25 This mode mainly fixes the 'write hole' issue. For RAID 4/5/6 array, an unclean
28 disks and it's possible the writes don't hit all RAID disks yet before the
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|