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/Linux-v6.1/Documentation/devicetree/bindings/regulator/
Dregulator.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liam Girdwood <lgirdwood@gmail.com>
11 - Mark Brown <broonie@kernel.org>
14 regulator-name:
18 regulator-min-microvolt:
21 regulator-max-microvolt:
24 regulator-microvolt-offset:
28 regulator-min-microamp:
[all …]
/Linux-v6.1/Documentation/hwmon/
Dibmpowernv.rst11 -----------
22 the DT maps to an attribute file in 'sysfs'. The node exports unique 'sensor-id'
26 -----------
28 CONFIG_SENSORS_IBMPOWERNV. It can also be built as module 'ibmpowernv'.
31 ----------------
36 fanX_fault - 0: No fail condition
37 - 1: Failing fan
43 tempX_enable Enable/disable all temperature sensors belonging to the
44 sub-group. In POWER9, this attribute corresponds to
45 each OCC. Using this attribute each OCC can be asked to
[all …]
/Linux-v6.1/Documentation/ABI/stable/
Dsysfs-driver-firmware-zynqmp1 What: /sys/devices/platform/firmware\:zynqmp-firmware/ggs*
8 Global general storage register that can be used
11 The register is reset during system or power-on
17 # cat /sys/devices/platform/firmware\:zynqmp-firmware/ggs0
18 # echo <value> > /sys/devices/platform/firmware\:zynqmp-firmware/ggs0
22 # cat /sys/devices/platform/firmware\:zynqmp-firmware/ggs0
23 # echo 0x1234ABCD > /sys/devices/platform/firmware\:zynqmp-firmware/ggs0
27 What: /sys/devices/platform/firmware\:zynqmp-firmware/pggs*
35 can be used by system to pass information between
38 This register is only reset by the power-on reset
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/Linux-v6.1/Documentation/admin-guide/
Dkernel-parameters.txt5 force -- enable ACPI if default was off
6 on -- enable ACPI but allow fallback to DT [arm64]
7 off -- disable ACPI if default was on
8 noirq -- do not use ACPI for IRQ routing
9 strict -- Be less tolerant of platforms that are not
11 rsdt -- prefer RSDT over (default) XSDT
12 copy_dsdt -- copy DSDT to memory
26 If set to vendor, prefer vendor-specific driver
31 If set to none, disable the ACPI backlight interface.
40 Disable AML predefined validation mechanism
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/Linux-v6.1/arch/mips/boot/dts/ingenic/
Dgcw0.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
5 #include <dt-bindings/clock/ingenic,tcu.h>
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/iio/adc/ingenic,adc.h>
9 #include <dt-bindings/input/input.h>
29 stdout-path = "serial2:57600n8";
33 compatible = "regulator-fixed";
34 regulator-name = "vcc";
36 regulator-min-microvolt = <3300000>;
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/Linux-v6.1/include/drm/
Ddrm_modeset_helper_vtables.h3 * Copyright © 2007-2008 Dave Airlie
4 * Copyright © 2007-2008 Intel Corporation
6 * Copyright © 2011-2013 Intel Corporation
56 * struct drm_crtc_helper_funcs - helper operations for CRTCs
70 * This callback is also used to disable a CRTC by calling it with
71 * DRM_MODE_DPMS_OFF if the @disable hook isn't used.
84 * in practice means the driver should disable the CRTC if it is
115 * restriction in the modes it can display. For example, a given crtc
116 * may be responsible to set a clock value. If the clock can not
118 * can be used to restrict the number of modes to only the ones that
[all …]
Ddrm_panel.h17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
42 * struct drm_panel_funcs - perform operations on a given panel
45 * starts to transmit video data. Panel drivers can use this to turn the panel
57 * Before stopping video transmission from the display controller it can be
59 * the .disable() function. Analogously to .enable() this typically involves
64 * To save power when no video data is transmitted, a driver can power down
67 * Backlight can be handled automatically if configured using
69 * does not need to implement the functionality to enable/disable backlight.
91 * @disable:
93 * Disable panel (turn off back light, etc.).
[all …]
/Linux-v6.1/Documentation/devicetree/bindings/pinctrl/
Dsprd,pinctrl.txt9 driving level": One pin can output 3.0v or 1.8v, depending on the
11 slect 3.0v, then the pin can output 3.0v. "system control" is used
15 There are too much various configuration that we can not list all
16 of them, so we can not make every Spreadtrum-special configuration
35 - input-enable
36 - input-disable
37 - output-high
38 - output-low
39 - bias-pull-up
40 - bias-pull-down
[all …]
Dpinctrl-mt8195.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/pinctrl-mt8195.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sean Wang <sean.wang@mediatek.com>
17 const: mediatek,mt8195-pinctrl
19 gpio-controller: true
21 '#gpio-cells':
28 gpio-ranges:
32 gpio-line-names: true
[all …]
Dmediatek,mt8188-pinctrl.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/mediatek,mt8188-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Hui Liu <hui.liu@mediatek.com>
17 const: mediatek,mt8188-pinctrl
19 gpio-controller: true
21 '#gpio-cells':
25 parameters which are defined in <dt-bindings/gpio/gpio.h>.
28 gpio-ranges:
[all …]
Dpinctrl-mt8186.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/pinctrl-mt8186.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sean Wang <sean.wang@mediatek.com>
17 const: mediatek,mt8186-pinctrl
19 gpio-controller: true
21 '#gpio-cells':
28 gpio-ranges:
31 gpio-line-names: true
[all …]
/Linux-v6.1/Documentation/trace/coresight/
Dcoresight-cpu-debug.rst9 ------------
11 Coresight CPU debug module is defined in ARMv8-a architecture reference manual
12 (ARM DDI 0487A.k) Chapter 'Part H: External debug', the CPU can integrate
13 debug module and it is mainly used for two modes: self-hosted debug and
15 debugger connects with SoC from JTAG port; on the other hand the program can
16 explore debugging method which rely on self-hosted debug mode, this document
19 The debug module provides sample-based profiling extension, which can be used
21 every CPU has one dedicated debug module to be connected. Based on self-hosted
22 debug mechanism, Linux kernel can access these related registers from mmio
29 --------------
[all …]
/Linux-v6.1/Documentation/driver-api/nvdimm/
Dsecurity.rst6 ---------------
10 security DSMs: "get security state", "set passphrase", "disable passphrase",
16 ------------------
28 update <old_keyid> <new_keyid> - enable or update passphrase.
29 disable <keyid> - disable enabled security and remove key.
30 freeze - freeze changing of security states.
31 erase <keyid> - delete existing user encryption key.
32 overwrite <keyid> - wipe the entire nvdimm.
33 master_update <keyid> <new_keyid> - enable or update master passphrase.
34 master_erase <keyid> - delete existing user encryption key.
[all …]
/Linux-v6.1/Documentation/PCI/
Dmsi-howto.rst1 .. SPDX-License-Identifier: GPL-2.0
17 to change your driver to use MSI or MSI-X and some basic diagnostics to
28 in PCI 3.0 to allow each interrupt to be masked individually. The MSI-X
32 Devices may support both MSI and MSI-X, but only one can be enabled at
39 There are three reasons why using MSIs can give an advantage over
40 traditional pin-based interrupts.
42 Pin-based PCI interrupts are often shared amongst several devices.
47 When a device writes data to memory, then raises a pin-based interrupt,
49 arrived in memory (this becomes more likely with devices behind PCI-PCI
54 Using MSIs avoids this problem as the interrupt-generating write cannot
[all …]
Dpci-iov-howto.rst1 .. SPDX-License-Identifier: GPL-2.0
9 :Authors: - Yu Zhao <yu.zhao@intel.com>
10 - Donald Dutile <ddutile@redhat.com>
15 What is SR-IOV
16 --------------
18 Single Root I/O Virtualization (SR-IOV) is a PCI Express Extended
22 Allocation of the VF can be dynamically controlled by the PF via
25 turned on, each VF's PCI configuration space can be accessed by its own
28 operates on the register set so it can be functional and appear as a
34 How can I enable SR-IOV capability
[all …]
/Linux-v6.1/Documentation/fb/
Dviafb.rst6 --------
15 ---------------
34 ----------------------
47 - 640x480 (default)
48 - 720x480
49 - 800x600
50 - 1024x768
53 - 8, 16, 32 (default:32)
56 - 60, 75, 85, 100, 120 (default:60)
59 - 0 : expansion (default)
[all …]
/Linux-v6.1/Documentation/networking/device_drivers/ethernet/intel/
Dice.rst1 .. SPDX-License-Identifier: GPL-2.0+
8 Copyright(c) 2018-2021 Intel Corporation.
13 - Overview
14 - Identifying Your Adapter
15 - Important Notes
16 - Additional Features & Configurations
17 - Performance Optimization
22 Driver information can be obtained using ethtool and lspci.
28 This driver supports XDP (Express Data Path) and AF_XDP zero-copy. Note that
43 -------------------------------------------
[all …]
/Linux-v6.1/arch/arm/boot/dts/
Dat91-sama5d2_xplained.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * at91-sama5d2_xplained.dts - Device Tree file for SAMA5D2 Xplained board
8 /dts-v1/;
10 #include "sama5d2-pinfunc.h"
11 #include <dt-bindings/mfd/atmel-flexcom.h>
12 #include <dt-bindings/gpio/gpio.h>
13 #include <dt-bindings/input/input.h>
14 #include <dt-bindings/regulator/active-semi,8945a-regulator.h>
18 compatible = "atmel,sama5d2-xplained", "atmel,sama5d2", "atmel,sama5";
28 stdout-path = "serial0:115200n8";
[all …]
/Linux-v6.1/Documentation/sound/
Dalsa-configuration.rst2 Advanced Linux Sound Architecture - Driver Configuration guide
10 primary sound card support (``CONFIG_SOUND``). Since ALSA can emulate
32 The user can load modules with options. If the module supports more than
33 one card and you have more than one card of the same type then you can
38 ----------
47 limiting card index for auto-loading (1-8);
49 For auto-loading more than one card, specify this option
50 together with snd-card-X aliases.
57 (0 = disable debug prints, 1 = normal debug messages,
60 This option can be dynamically changed via sysfs
[all …]
/Linux-v6.1/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
26 Disable Path MTU Discovery. If enabled in mode 1 and a
27 fragmentation-required ICMP is received, the PMTU to this
38 accept fragmentation-needed errors if the underlying protocol
39 can verify them besides a plain socket lookup. Current
[all …]
/Linux-v6.1/Documentation/filesystems/
Df2fs.rst1 .. SPDX-License-Identifier: GPL-2.0
4 WHAT IS Flash-Friendly File System (F2FS)?
7 NAND flash memory-based storage devices, such as SSD, eMMC, and SD cards, have
13 F2FS is a file system exploiting NAND flash memory-based storage devices, which
14 is based on Log-structured File System (LFS). The design has been focused on
18 Since a NAND flash memory-based storage device shows different characteristic
20 F2FS and its tools support various parameters not only for configuring on-disk
26 - git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs-tools.git
30 - linux-f2fs-devel@lists.sourceforge.net
35 Log-structured File System (LFS)
[all …]
/Linux-v6.1/drivers/irqchip/
Dirq-bcm2835.c1 // SPDX-License-Identifier: GPL-2.0+
16 * Quirk 2: You can't mask the register 1/2 pending interrupts
20 * You can mask the interrupts and get on with things. With this controller
21 * you can't do that.
23 * Quirk 3: The shortcut interrupts can't be (un)masked in bank 0
25 * Those interrupts that have shortcuts can only be masked/unmasked in
26 * their respective banks' enable/disable registers. Doing so in the bank 0
27 * enable/disable registers has no effect.
30 * Bits 0-6: IRQ (index in order of interrupts from banks 1, 2, then 0)
54 /* Shortcuts can't be disabled so any unknown new ones need to be masked */
[all …]
/Linux-v6.1/tools/perf/Documentation/
Dperf-report.txt1 perf-report(1)
5 ----
6 perf-report - Read perf.data (created by perf record) and display the profile
9 --------
11 'perf report' [-i <file> | --input=file]
14 -----------
19 -------
20 -i::
21 --input=::
24 -v::
[all …]
/Linux-v6.1/Documentation/ABI/testing/
Drtc-cdev4 Contact: linux-rtc@vger.kernel.org
6 The ioctl interface to drivers for real-time clocks (RTCs).
13 * RTC_AIE_ON, RTC_AIE_OFF: Enable or disable the alarm interrupt
17 RTCs that support alarms. Can be set upto 24 hours in the
22 powerful interface, which can issue alarms beyond 24 hours and
25 * RTC_PIE_ON, RTC_PIE_OFF: Enable or disable the periodic
28 * RTC_UIE_ON, RTC_UIE_OFF: Enable or disable the update
48 newer features -- including those enabled by ACPI -- are exposed
49 by the RTC class framework, but can't be supported by the older
Dsysfs-driver-xdata1 What: /sys/class/misc/drivers/dw-xdata-pcie.<device>/write
6 will create write TLPs frames - from the Root Complex to the
7 Endpoint direction or to disable the PCIe traffic generator
10 Write y/1/on to enable, n/0/off to disable
13 echo 1 > /sys/class/misc/dw-xdata-pcie.<device>/write
15 echo 0 > /sys/class/misc/dw-xdata-pcie.<device>/write
17 The user can read the current PCIe link throughput generated
21 cat /sys/class/misc/dw-xdata-pcie.<device>/write
26 What: /sys/class/misc/dw-xdata-pcie.<device>/read
31 will create read TLPs frames - from the Endpoint to the Root
[all …]

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