| /Linux-v5.10/Documentation/hwmon/ |
| D | g762.rst | 4 The GMT G762 Fan Speed PWM Controller is connected directly to a fan
5 and performs closed-loop or open-loop control of the fan speed. Two
6 modes - PWM or DC - are supported by the device.
9 http://natisbad.org/NAS/ref/GMT_EDS-762_763-080710-0.2.pdf. sysfs
10 bindings are described in Documentation/hwmon/sysfs-interface.rst.
25 set desired fan speed. This only makes sense in closed-loop
26 fan speed control (i.e. when pwm1_enable is set to 2).
29 provide current fan rotation value in RPM as reported by
44 in closed-loop control mode, if fan RPM value is 25% out
49 set current fan speed control mode i.e. 1 for manual fan
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| D | adm1026.rst | 16 - Philip Pokorny <ppokorny@penguincomputing.com> for Penguin Computing
17 - Justin Thiessen <jthiessen@penguincomputing.com>
20 -----------------
23 List of GPIO pins (0-16) to program as inputs
26 List of GPIO pins (0-16) to program as outputs
29 List of GPIO pins (0-16) to program as inverted
32 List of GPIO pins (0-16) to program as normal/non-inverted
35 List of GPIO pins (0-7) to program as fan tachs
39 -----------
45 16 general purpose digital I/O lines, eight (8) fan speed sensors (8-bit),
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| D | lineage-pem.rst | 1 Kernel driver lineage-pem
8 Prefix: 'lineage-pem'
10 Addresses scanned: -
16 Author: Guenter Roeck <linux@roeck-us.net>
20 -----------
27 and status reporting commands are non-standard. For this reason, a standard
32 -----------
41 $ modprobe lineage-pem
42 $ echo lineage-pem 0x40 > /sys/bus/i2c/devices/i2c-1/new_device
44 All Lineage CPL power entry modules have a built-in I2C bus master selector
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| D | w83792d.rst | 10 Addresses scanned: I2C 0x2c - 0x2f
19 -----------------
35 -----------
42 parameter; this will put it into a more well-behaved state first.
44 The driver implements three temperature sensors, seven fan rotation speed
48 The driver also implements up to seven fan control outputs: pwm1-7. Pwm1-7
53 Automatic fan control mode is possible only for fan1-fan3.
55 For all pwmX outputs, a value of 0 means minimum fan speed and a value of
56 255 means maximum fan speed.
64 triggered if the rotation speed has dropped below a programmable limit. Fan
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| D | nct6775.rst | 19 * Nuvoton NCT5572D/NCT6771F/NCT6772F/NCT6775F/W83677HG-I
87 Guenter Roeck <linux@roeck-us.net>
90 -----------
100 There are 4 to 5 fan rotation speed sensors, 8 to 15 analog voltage sensors,
114 triggered if the rotation speed has dropped below a programmable limit. On
117 do not have a fan speed divider. The driver sets the most suitable fan divisor
118 itself; specifically, it increases the divider value each time a fan speed
119 reading returns an invalid value, and it reduces it if the fan speed reading
132 The mode works for fan1-fan5.
135 ----------------
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| /Linux-v5.10/Documentation/devicetree/bindings/usb/ |
| D | usb251xb.txt | 1 Microchip USB 2.0 Hi-Speed Hub Controller
4 Hi-Speed Controller.
7 - compatible : Should be "microchip,usb251xb" or one of the specific types:
11 - reg : I2C address on the selected bus (default is <0x2C>)
14 - reset-gpios : Should specify the gpio for hub reset
15 - vdd-supply : Should specify the phandle to the regulator supplying vdd
16 - skip-config : Skip Hub configuration, but only send the USB-Attach command
17 - vendor-id : Set USB Vendor ID of the hub (16 bit, default is 0x0424)
18 - product-id : Set USB Product ID of the hub (16 bit, default depends on type)
19 - device-id : Set USB Device ID of the hub (16 bit, default is 0x0bb3)
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| D | ci-hdrc-usb2.txt | 4 - compatible: should be one of:
5 "fsl,imx23-usb"
6 "fsl,imx27-usb"
7 "fsl,imx28-usb"
8 "fsl,imx6q-usb"
9 "fsl,imx6sl-usb"
10 "fsl,imx6sx-usb"
11 "fsl,imx6ul-usb"
12 "fsl,imx7d-usb"
13 "fsl,imx7ulp-usb"
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| /Linux-v5.10/tools/testing/selftests/net/forwarding/ |
| D | ethtool.sh | 2 # SPDX-License-Identifier: GPL-2.0
57 local -a speeds_arr=($(common_speeds_get $h1 $h2 0 0))
59 for speed in "${speeds_arr[@]}"; do
61 ethtool_set $h1 speed $speed autoneg off
62 ethtool_set $h2 speed $speed autoneg off
67 check_err $? "speed $speed autoneg off"
68 log_test "force of same speed autoneg off"
69 log_info "speed = $speed"
72 ethtool -s $h2 autoneg on
73 ethtool -s $h1 autoneg on
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| /Linux-v5.10/include/linux/ |
| D | phylink.h | 21 MLO_AN_FIXED, /* Fixed-link mode */
22 MLO_AN_INBAND, /* In-band protocol */
31 * struct phylink_link_state - link state structure
36 * @speed: link speed, one of the SPEED_* constants.
47 int speed; member
61 * struct phylink_config - PHYLINK configuration structure
80 * struct phylink_mac_ops - MAC operations structure.
82 * @mac_pcs_get_state: Read the current link state from the hardware.
109 phy_interface_t interface, int speed, int duplex,
113 #if 0 /* For kernel-doc purposes only. */
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| /Linux-v5.10/drivers/gpu/drm/nouveau/nvkm/subdev/pci/ |
| D | pcie.c | 33 nvkm_pcie_speed(enum pci_bus_speed speed) in nvkm_pcie_speed() argument
35 switch (speed) { in nvkm_pcie_speed()
44 if (speed == 0x17) in nvkm_pcie_speed()
46 return -1; in nvkm_pcie_speed()
53 if (!pci->func->pcie.version) in nvkm_pcie_get_version()
54 return -ENOSYS; in nvkm_pcie_get_version()
56 return pci->func->pcie.version(pci); in nvkm_pcie_get_version()
62 if (!pci->func->pcie.version_supported) in nvkm_pcie_get_max_version()
63 return -ENOSYS; in nvkm_pcie_get_max_version()
65 return pci->func->pcie.version_supported(pci); in nvkm_pcie_get_max_version()
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| /Linux-v5.10/Documentation/driver-api/thermal/ |
| D | nouveau_thermal.rst | 12 -----------
17 Currently, due to the absence of in-kernel API to access HWMON drivers, Nouveau
24 ----------------------
26 Temperature is exposed under as a read-only HWMON attribute temp1_input.
32 Fan speed is set to 100% when reaching this temperature;
56 --------------
62 Current fan management mode (NONE, MANUAL or AUTO);
64 Current PWM value (power percentage);
66 The minimum PWM speed allowed;
68 The maximum PWM speed allowed (bypassed when hitting Fan_boost);
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| /Linux-v5.10/arch/arm64/boot/dts/ti/ |
| D | k3-j7200-main.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/
10 compatible = "mmio-sram";
12 #address-cells = <1>;
13 #size-cells = <1>;
16 atf-sram@0 {
21 scm_conf: scm-conf@100000 {
22 compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
24 #address-cells = <1>;
25 #size-cells = <1>;
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| /Linux-v5.10/arch/arm/boot/dts/ |
| D | omap-zoom-common.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
6 #include "omap-gpmc-smsc911x.dtsi"
20 bank-width = <2>;
21 reg-shift = <1>;
22 reg-io-width = <1>;
23 interrupt-parent = <&gpio4>;
25 clock-frequency = <1843200>;
26 current-speed = <115200>;
27 gpmc,mux-add-data = <0>;
28 gpmc,device-width = <1>;
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| /Linux-v5.10/Documentation/ABI/testing/ |
| D | sysfs-driver-w1_ds28e17 | 1 What: /sys/bus/w1/devices/19-<id>/speed
5 Description: When written, this file sets the I2C speed on the connected
6 DS28E17 chip. When read, it reads the current setting from
11 Default 100, can be set by w1_ds28e17.speed= module parameter.
14 What: /sys/bus/w1/devices/19-<id>/stretch
20 chip. When read, returns the current setting.
|
| /Linux-v5.10/Documentation/admin-guide/pm/ |
| D | intel-speed-select.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 Intel(R) Speed Select Technology User Guide
7 The Intel(R) Speed Select Technology (Intel(R) SST) provides a powerful new
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…
19 dynamically without pre-configuring via BIOS setup options. This dynamic
21 and configure these features is by using the Intel Speed Select utility.
23 This document explains how to use the Intel Speed Select tool to enumerate and
29 intel-speed-select configuration tool
32 Most Linux distribution packages may include the "intel-speed-select" tool. If not,
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| /Linux-v5.10/Documentation/devicetree/bindings/serial/ |
| D | cavium-uart.txt | 3 - compatible: "cavium,octeon-3860-uart"
7 - reg: The base address of the UART register bank.
9 - interrupts: A single interrupt specifier.
11 - current-speed: Optional, the current bit rate in bits per second.
15 compatible = "cavium,octeon-3860-uart","ns16550";
17 current-speed = <115200>;
|
| /Linux-v5.10/drivers/usb/dwc2/ |
| D | hcd.h | 1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
3 * hcd.h - DesignWare HS OTG Controller host-mode declarations
5 * Copyright (C) 2004-2013 Synopsys, Inc.
16 * 3. The names of the above-listed copyright holders may not be used
53 * struct dwc2_host_chan - Software host channel descriptor
59 * @speed: Device speed. One of the following values:
60 * - USB_SPEED_LOW
61 * - USB_SPEED_FULL
62 * - USB_SPEED_HIGH
64 * - USB_ENDPOINT_XFER_CONTROL: 0
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| /Linux-v5.10/Documentation/userspace-api/media/dvb/ |
| D | video_types.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
10 .. _video-format-t:
18 .. code-block:: c
30 about the display format of the current video stream.
33 .. _video-displayformat-t:
44 .. code-block:: c
55 .. _video-stream-source-t:
65 .. code-block:: c
80 .. _video-play-state-t:
89 .. code-block:: c
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| /Linux-v5.10/drivers/i2c/busses/ |
| D | i2c-designware-core.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
183 * struct dw_i2c_dev - private i2c-designware data
196 * @msg_write_idx: the element index of the current tx message in the msgs
198 * @tx_buf_len: the length of the current tx buffer
199 * @tx_buf: the current tx buffer
200 * @msg_read_idx: the element index of the current rx message in the msgs
202 * @rx_buf_len: the length of the current rx buffer
203 * @rx_buf: the current rx buffer
204 * @msg_err: error status of the current transfer
212 * @rx_outstanding: current master-rx elements in tx fifo
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| /Linux-v5.10/drivers/staging/sm750fb/ |
| D | ddk750_chip.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
59 * Speed of main chip clock in MHz unit
60 * 0 = keep the current clock setting
66 * Speed of memory clock in MHz unit
67 * 0 = keep the current clock setting
73 * Speed of master clock in MHz unit
74 * 0 = keep the current clock setting
|
| /Linux-v5.10/drivers/macintosh/ |
| D | windfarm_rm31.c | 1 // SPDX-License-Identifier: GPL-2.0-only
93 #define LOW_OVER_CLEAR ((-10) << 16)
161 cpu_thist_total -= t_old; in cpu_check_overtemp()
187 /* High overtemp -> immediate shutdown */ in cpu_check_overtemp()
211 return -EIO; in read_one_cpu_vals()
220 return -EIO; in read_one_cpu_vals()
224 /* Get current */ in read_one_cpu_vals()
227 DBG(" CPU%d, current reading error !\n", cpu); in read_one_cpu_vals()
228 return -EIO; in read_one_cpu_vals()
234 /* Scale voltage and current raw sensor values according to fixed scales in read_one_cpu_vals()
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| D | windfarm_pm72.c | 1 // SPDX-License-Identifier: GPL-2.0-only
65 /* Fixed speed for slot fan */
99 #define LOW_OVER_CLEAR ((-10) << 16)
167 cpu_thist_total -= t_old; in cpu_check_overtemp()
193 /* High overtemp -> immediate shutdown */ in cpu_check_overtemp()
217 return -EIO; in read_one_cpu_vals()
226 return -EIO; in read_one_cpu_vals()
230 /* Get current */ in read_one_cpu_vals()
233 DBG(" CPU%d, current reading error !\n", cpu); in read_one_cpu_vals()
234 return -EIO; in read_one_cpu_vals()
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| /Linux-v5.10/usr/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
11 space-separated list of directories and files for building the
21 See <file:Documentation/driver-api/early-userspace/early_userspace_support.rst> for more details.
41 (-1 = current user) will be owned by root in the resulting image.
51 (-1 = current group) will be owned by root in the resulting image.
113 prompt "Built-in initramfs compression mode"
119 decompression speed. Compression speed is only relevant
120 when building a kernel. Decompression speed is relevant at
141 a good balance between compression ratio and decompression speed and
142 has a reasonable compression speed. It is also more likely to be
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| /Linux-v5.10/tools/spi/ |
| D | spidev_test.c | 1 // SPDX-License-Identifier: GPL-2.0-only
8 * Cross-compile with cross-gcc -I/path/to/cross-kernel/include
43 static uint32_t speed = 500000; variable
71 while (length-- > 0) { in hex_dump()
91 * Unescape - process hexadecimal escape character
92 * converts shell input "\x23" -> 0x23
127 .speed_hz = speed, in transfer()
175 printf("Usage: %s [-DsbdlHOLC3vpNR24SI]\n", prog); in print_usage()
176 puts(" -D --device device to use (default /dev/spidev1.1)\n" in print_usage()
177 " -s --speed max speed (Hz)\n" in print_usage()
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| /Linux-v5.10/drivers/net/bonding/ |
| D | bond_3ad.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
50 * key is determined according to the link speed, duplex and
52 * --------------------------------------------------------------
53 * Port key | User key (10 bits) | Speed (5 bits) | Duplex|
54 * --------------------------------------------------------------
118 * __get_bond_by_port - get the port's bonding struct
125 if (port->slave == NULL) in __get_bond_by_port()
128 return bond_get_bond_by_slave(port->slave); in __get_bond_by_port()
132 * __get_first_agg - get the first aggregator in the bond
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