| /Linux-v6.1/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 | aquacomputer_d5next.rst | 1 .. SPDX-License-Identifier: GPL-2.0-or-later
3 Kernel driver aquacomputer-d5next
18 -----------
23 For the D5 Next pump, available sensors are pump and fan speed, power, voltage
24 and current, as well as coolant temperature and eight virtual temp sensors. Also
25 available through debugfs are the serial number, firmware version and power-on
27 temperature curves directly from the pump. If it's not connected, the fan-related
37 eight PWM controllable fans, along with their speed (in RPM), power, voltage and
38 current.
41 sensor and four PWM controllable fans, along with their speed (in RPM), power,
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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 | nzxt-smart2.rst | 1 .. SPDX-License-Identifier: GPL-2.0-or-later
3 Kernel driver nzxt-smart2
8 - NZXT RGB & Fan controller
9 - NZXT Smart Device v2
12 -----------
15 Besides typical speed monitoring and PWM duty cycle control, voltage and current
25 -----------
33 during initialization. Speed, voltage, current monitoring will work even without
43 -------------
46 fan[1-3]_input Fan speed monitoring (in rpm).
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| /Linux-v6.1/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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| /Linux-v6.1/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-v6.1/Documentation/devicetree/bindings/phy/ |
| D | qcom,usb-snps-femto-v2.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: "http://devicetree.org/schemas/phy/qcom,usb-snps-femto-v2.yaml#"
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
7 title: Qualcomm Synopsys Femto High-Speed USB PHY V2
10 - Wesley Cheng <quic_wcheng@quicinc.com>
13 Qualcomm High-Speed USB PHY
18 - qcom,usb-snps-hs-5nm-phy
19 - qcom,usb-snps-hs-7nm-phy
20 - qcom,sc7280-usb-hs-phy
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| D | phy-stm32-usbphyc.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/phy/phy-stm32-usbphyc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 The STM32 USBPHYC block contains a dual port High Speed UTMI+ PHY and a UTMI
22 |_ PHY port#2 ----| |________________
27 - Amelie Delaunay <amelie.delaunay@foss.st.com>
31 const: st,stm32mp1-usbphyc
42 "#address-cells":
45 "#size-cells":
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| /Linux-v6.1/include/linux/ |
| D | phylink.h | 21 MLO_AN_FIXED, /* Fixed-link mode */
22 MLO_AN_INBAND, /* In-band protocol */
83 * struct phylink_link_state - link state structure
88 * @speed: link speed, one of the SPEED_* constants.
92 * constants. If rate matching is taking place, then the speed/duplex of
93 * the medium link mode (@speed and @duplex) and the speed/duplex of the phy
103 int speed; member
118 * struct phylink_config - PHYLINK configuration structure
131 * @mac_capabilities: MAC pause/speed/duplex capabilities.
147 * struct phylink_mac_ops - MAC operations structure.
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| /Linux-v6.1/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-v6.1/Documentation/devicetree/bindings/sound/ |
| D | serial-midi.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
4 ---
5 $id: http://devicetree.org/schemas/sound/serial-midi.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Daniel Kaehn <kaehndan@gmail.com>
23 resuts in the standard MIDI baud rate, and set the 'current-speed' property to 38400 (default)
27 const: serial-midi
29 current-speed:
34 - compatible
39 - |
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| /Linux-v6.1/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-v6.1/drivers/hwmon/ |
| D | aquacomputer_d5next.c | 1 // SPDX-License-Identifier: GPL-2.0+
85 /* Pump and fan speed registers in D5 Next control report (from 0-100%) */
108 /* Fan speed registers in Octo control report (from 0-100%) */
122 /* Fan speed registers in Quadro control report (from 0-100%) */
141 "Pump speed",
142 "Fan speed"
158 "Pump current",
159 "Fan current"
189 /* Labels for Octo and Quadro (except speed) */
191 "Fan 1 speed",
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| /Linux-v6.1/Documentation/devicetree/bindings/gnss/ |
| D | gnss-common.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/gnss/gnss-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Johan Hovold <johan@kernel.org>
21 lna-supply:
26 enable-gpios:
33 timepulse-gpios:
38 current-speed:
40 online, current active speed.
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| /Linux-v6.1/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-v6.1/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.
24 * struct dwc2_host_chan - Software host channel descriptor
30 * @speed: Device speed. One of the following values:
31 * - USB_SPEED_LOW
32 * - USB_SPEED_FULL
33 * - USB_SPEED_HIGH
35 * - USB_ENDPOINT_XFER_CONTROL: 0
36 * - USB_ENDPOINT_XFER_ISOC: 1
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| /Linux-v6.1/Documentation/ABI/testing/ |
| D | sysfs-class-hwmon | 16 The contents of the label are free-form.
135 this voltage channel is being used for, and user-space
137 user-space.
145 When disabled the sensor read will return -ENODATA.
147 - 1: Enable
148 - 0: Disable
226 affects the measurable speed range, not the read value.
247 Desired fan speed
253 Only makes sense if the chip supports closed-loop fan speed
254 control based on the measured fan speed.
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| 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-v6.1/drivers/i2c/busses/ |
| D | i2c-designware-core.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
186 * struct dw_i2c_dev - private i2c-designware data
197 * @get_clk_rate_khz: callback to retrieve IP specific bus speed
201 * @msg_write_idx: the element index of the current tx message in the msgs array
202 * @tx_buf_len: the length of the current tx buffer
203 * @tx_buf: the current tx buffer
204 * @msg_read_idx: the element index of the current rx message in the msgs array
205 * @rx_buf_len: the length of the current rx buffer
206 * @rx_buf: the current rx buffer
207 * @msg_err: error status of the current transfer
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| /Linux-v6.1/drivers/staging/media/deprecated/saa7146/av7110/ |
| 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-v6.1/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-v6.1/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-v6.1/drivers/net/ethernet/intel/ice/ |
| D | ice_vf_mbx.c | 1 // SPDX-License-Identifier: GPL-2.0
11 * @v_opcode: opcodes for VF-PF communication
31 cmd->id = cpu_to_le32(vfid); in ice_aq_send_msg_to_vf()
39 return ice_sq_send_cmd(hw, &hw->mailboxq, &desc, msg, msglen, cd); in ice_aq_send_msg_to_vf()
44 * @adv_link_support: determines the format of the returned link speed
47 * Convert link speed supported by HW to link speed supported by virtchnl.
48 * If adv_link_support is true, then return link speed in Mbps. Else return
49 * link speed as a VIRTCHNL_LINK_SPEED_* casted to a u32. Note that the caller
52 * expect the speed in Mbps.
56 u32 speed; in ice_conv_link_speed_to_virtchnl() local
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| /Linux-v6.1/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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