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/linux/drivers/usb/gadget/udc/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
7 # NOTE: Gadget support ** DOES NOT ** depend on host-side CONFIG_USB !!
9 # - Host systems (like PCs) need CONFIG_USB (with "A" jacks).
10 # - Peripherals (like PDAs) need CONFIG_USB_GADGET (with "B" jacks).
11 # - Some systems have both kinds of controllers.
13 # With help from a special transceiver and a "Mini-AB" jack, systems with
14 # both kinds of controller can also support "USB On-the-Go" (CONFIG_USB_OTG).
22 # - integrated/SOC controllers first
23 # - licensed IP used in both SOC and discrete versions
24 # - discrete ones (including all PCI-only controllers)
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/linux/Documentation/hwmon/
H A Dvt1211.rst10 Addresses scanned: none, address read from Super-I/O config space
24 -----------------
29 configuration for channels 1-5.
30 Legal values are in the range of 0-31. Bit 0 maps to
36 Override the BIOS default temperature interrupt mode.
38 mode 0. In this mode, any pending interrupt is cleared
47 -----------
49 The VIA VT1211 Super-I/O chip includes complete hardware monitoring
52 implements 5 universal input channels (UCH1-5) that can be individually
57 mode doesn't seem to work as advertised in the datasheet. In fact I couldn't
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H A Dw83792d.rst10 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
46 strategies called: Smart Fan I (Thermal Cruise mode) and Smart Fan II.
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.
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H A Dnct6775.rst19 * Nuvoton NCT5572D/NCT6771F/NCT6772F/NCT6775F/W83677HG-I
83 * Nuvoton NCT6796D-S/NCT6799D-R
93 Guenter Roeck <linux@roeck-us.net>
96 -----------
106 There are 4 to 5 fan rotation speed sensors, 8 to 15 analog voltage sensors,
108 fan regulation strategies (plus manual fan control mode).
116 the high limit; it stays on until the temperature falls below the hysteresis
120 triggered if the rotation speed has dropped below a programmable limit. On
123 do not have a fan speed divider. The driver sets the most suitable fan divisor
124 itself; specifically, it increases the divider value each time a fan speed
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H A Df71805f.rst44 -----------
57 The Fintek F71806F/FG Super-I/O chip is essentially the same as the
65 ------------------
67 Voltages are sampled by an 8-bit ADC with a LSB of 8 mV. The supported
84 in1 VIN1 VTT1.2V 10K - 1.00 1.20 V
89 in6 VIN6 VCC1.5V 10K - 1.00 1.50 V
90 in7 VIN7 VCORE 10K - 1.00 ~1.40 V [1]_
106 Each voltage measured has associated low and high limits, each of which
111 --------------
113 Fan rotation speeds are reported as 12-bit values from a gated clock
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H A Dadm9240.rst10 Addresses scanned: I2C 0x2c - 0x2f
20 Addresses scanned: I2C 0x2c - 0x2f
24 http://pdfserv.maxim-ic.com/en/ds/DS1780.pdf
30 Addresses scanned: I2C 0x2c - 0x2f
37 - Frodo Looijaard <frodol@dds.nl>,
38 - Philip Edelbrock <phil@netroedge.com>,
39 - Michiel Rook <michiel@grendelproject.nl>,
40 - Grant Coady <gcoady.lk@gmail.com> with guidance
44 ---------
46 chip MSB 5-bit address. Each chip reports a unique manufacturer
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H A Dw83627ehf.rst22 * Winbond W83627DHG-P
46 * Winbond W83667HG-B
54 * Nuvoton NCT6775F/W83667HG-I
73 - Jean Delvare <jdelvare@suse.de>
74 - Yuan Mu (Winbond)
75 - Rudolf Marek <r.marek@assembler.cz>
76 - David Hubbard <david.c.hubbard@gmail.com>
77 - Gong Jun <JGong@nuvoton.com>
80 -----------
83 W83627DHG, W83627DHG-P, W83627UHG, W83667HG, W83667HG-B, W83667HG-I
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H A Dw83793.rst10 Addresses scanned: I2C 0x2c - 0x2f
15 - Yuan Mu (Winbond Electronics)
16 - Rudolf Marek <r.marek@assembler.cz>
20 -----------------
36 -----------
43 (automatic fan speed control) on all temperature/PWM combinations, 2
44 sets of 6-pin CPU VID input.
48 voltage0-2 is 2mV, resolution of voltage3/4/5 is 16mV, 8mV for voltage6,
49 24mV for voltage7/8. Temp1-4 have a 0.25 degree Celsius resolution,
50 temp5-6 have a 1 degree Celsiis resolution.
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H A Dlm85.rst79 - Philip Pokorny <ppokorny@penguincomputing.com>,
80 - Frodo Looijaard <frodol@dds.nl>,
81 - Richard Barrington <rich_b_nz@clear.net.nz>,
82 - Margit Schubert-While <margitsw@t-online.de>,
83 - Justin Thiessen <jthiessen@penguincomputing.com>
86 -----------
92 The LM85 uses the 2-wire interface compatible with the SMBUS 2.0
94 temperatures and five (5) voltages. It has four (4) 16-bit counters for
95 measuring fan speed. Five (5) digital inputs are provided for sampling the
97 outputs that can be used to control fan speed.
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/linux/Documentation/devicetree/bindings/soc/samsung/
H A Dexynos-usi.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/soc/samsung/exynos-usi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sam Protsenko <semen.protsenko@linaro.org>
11 - Krzysztof Kozlowski <krzk@kernel.org>
14 The USI IP-core provides configurable support for serial protocols, enabling
18 simultaneously in select combinations - High-Speed I2C0, High-Speed
19 I2C1, SPI, UART, High-Speed I2C0 and I2C1 or both High-Speed
23 High-Speed I2C.
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/linux/drivers/phy/qualcomm/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
36 Support for the USB PHY-s on Qualcomm IPQ40xx SoC-s.
111 PHY transceivers working only in USB3 mode on Qualcomm chips. This
124 controllers on Qualcomm chips. This driver supports the high-speed
133 Enable support for the USB high-speed SNPS eUSB2 repeater on Qualcomm
146 host only mode configurations.
164 depends on EXTCON || !EXTCON # if EXTCON=m, this cannot be built-in
167 Support for the USB high-speed ULPI compliant phy on Qualcomm
175 Enable support for the USB high-speed SNPS Femto phy on Qualcomm
188 tristate "Qualcomm 28nm High-Speed PHY"
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/linux/include/dt-bindings/pinctrl/
H A Dk210-fpioa.h1 /* SPDX-License-Identifier: GPL-2.0+ */
11 * kendryte-standalone-sdk/lib/drivers/include/fpioa.h
16 #define K210_PCF_JTAG_TMS 2 /* JTAG Test Mode Select */
32 #define K210_PCF_UARTHS_RX 18 /* UART High speed Receiver */
33 #define K210_PCF_UARTHS_TX 19 /* UART High speed Transmitter */
38 #define K210_PCF_GPIOHS0 24 /* GPIO High speed 0 */
39 #define K210_PCF_GPIOHS1 25 /* GPIO High speed 1 */
40 #define K210_PCF_GPIOHS2 26 /* GPIO High speed 2 */
41 #define K210_PCF_GPIOHS3 27 /* GPIO High speed 3 */
42 #define K210_PCF_GPIOHS4 28 /* GPIO High speed 4 */
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/linux/drivers/usb/dwc2/
H A Dhcd.h1 /* 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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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
10 Say Y here if your system has a Dual Role Hi-Speed USB
13 For host mode, if you choose to build the driver as dynamically
18 dwc2_platform.ko. For all modes(host, gadget and dual-role), there
24 prompt "DWC2 Mode Selection"
30 bool "Host only mode"
33 The Designware USB2.0 high-speed host controller
35 driver to operate in Host-only mode.
37 comment "Gadget/Dual-role mode requires USB Gadget support to be enabled"
40 bool "Gadget only mode"
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/linux/Documentation/devicetree/bindings/pinctrl/
H A Dnvidia,tegra-pinmux-common.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/nvidia,tegra-pinmux-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jonathan Hunter <jonathanh@nvidia.com>
14 Please refer to pinctrl-bindings.txt in this directory for details of the
22 pin configuration parameters, such as pull-up, tristate, drive strength,
46 $ref: /schemas/types.yaml#/definitions/string-array
57 description: Pull-down/up setting to apply to the pin.
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/linux/Documentation/admin-guide/pm/
H A Dintel-speed-select.rst1 .. 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/Documentation/devicetree/bindings/mmc/
H A Dsdhci-am654.yaml1 # 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/mmc/sdhci-am654.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Ulf Hansson <ulf.hansson@linaro.org>
14 - $ref: sdhci-common.yaml#
19 - enum:
20 - ti,am62-sdhci
21 - ti,am64-sdhci-4bit
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/linux/Documentation/devicetree/bindings/i2c/
H A Di2c-exynos5.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-exynos5.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Samsung's High Speed I2C controller
10 - Krzysztof Kozlowski <krzk@kernel.org>
13 The Samsung's High Speed I2C controller is used to interface with I2C devices
19 Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml for details.
24 - enum:
25 - samsung,exynos5250-hsi2c # Exynos5250 and Exynos5420
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/linux/arch/arm/mach-omap2/
H A Dvc.h1 /* SPDX-License-Identifier: GPL-2.0-only */
22 * struct omap_vc_common - per-VC register/bitfield data
34 * @i2c_cfg_clear_mask: high-speed mode bit clear mask in I2C config register
35 * @i2c_cfg_hsen_mask: high-speed mode bit field mask in I2C config register
63 * struct omap_vc_channel - VC per-instance data
69 * @i2c_high_speed: whether or not to use I2C high-speed mode
81 * @flags: VC channel-specific flags (optional)
/linux/Documentation/ABI/testing/
H A Dsysfs-driver-wacom1 What: /sys/bus/hid/devices/<bus>:<vid>:<pid>.<n>/speed
4 Contact: linux-bluetooth@vger.kernel.org
6 The /sys/bus/hid/devices/<bus>:<vid>:<pid>.<n>/speed file
7 controls reporting speed of Wacom bluetooth tablet. Reading
8 from this file returns 1 if tablet reports in high speed mode
10 switches reporting speed.
14 Contact: linux-input@vger.kernel.org
25 Contact: linux-input@vger.kernel.org
35 Contact: linux-input@vger.kernel.org
44 Contact: linux-input@vger.kernel.org
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/linux/drivers/media/rc/
H A Dite-cir.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
9 #define ITE_DRIVER_NAME "ite-cir"
34 /* hw-specific operation function pointers; most of these must be
92 /* tx high carrier frequency, in Hz, 0 means no demodulation */
98 /* duty cycle, 0-100 */
114 /* low-speed carrier frequency limits (Hz) */
118 /* high-speed carrier frequency limits (Hz) */
130 * n in RDCR produces a tolerance of +/- n * 6.25% around the center
133 * From two limit frequencies, L (low) and H (high), we can get both the
135 * frequency A = (H - L) / (H + L). We can use this in order to honor the
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/linux/Documentation/userspace-api/media/v4l/
H A Dvidioc-g-parm.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_G_PARM - VIDIOC_S_PARM - Get or set streaming parameters
50 internally by a driver in read/write mode. For implications see the
63 .. flat-table:: struct v4l2_streamparm
64 :header-rows: 0
65 :stub-columns: 0
68 * - __u32
69 - ``type``
70 - The buffer (stream) type, same as struct
73 * - union {
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/linux/drivers/usb/gadget/
H A Depautoconf.c1 // SPDX-License-Identifier: GPL-2.0+
3 * epautoconf.c -- endpoint autoconfiguration for usb gadget drivers
20 * usb_ep_autoconfig_ss() - choose an endpoint matching the ep
23 * @desc: Endpoint descriptor, with endpoint direction and transfer mode
42 * For example, isochronous endpoints can be autoconfigured for high
44 * Also, high and full speed descriptors will be different.
54 * is initialized as if the endpoint were used at full speed and
59 * assigning ep->claimed to true.
71 if (gadget->ops->match_ep) { in usb_ep_autoconfig_ss()
72 ep = gadget->ops->match_ep(gadget, desc, ep_comp); in usb_ep_autoconfig_ss()
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/linux/Documentation/networking/device_drivers/ethernet/intel/
H A De1000.rst1 .. SPDX-License-Identifier: GPL-2.0+
8 Copyright(c) 1999 - 2013 Intel Corporation.
13 - Identifying Your Adapter
14 - Command Line Parameters
15 - Speed and Duplex Configuration
16 - Additional Configurations
17 - Support
40 For more information about the AutoNeg, Duplex, and Speed
41 parameters, see the "Speed and Duplex Configuration" section in
50 -------
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/linux/drivers/usb/host/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
11 The Cypress C67x00 (EZ-Host/EZ-OTG) chips are dual-role
14 Enable this option to support this chip in host controller mode.
28 module will be called xhci-hcd.
90 tristate "xHCI support for Renesas R-Car SoCs"
96 found in Renesas R-Car ARM SoCs.
141 modules will be called ohci-platform.ko, ehci-brcm.ko and
142 xhci-plat-hcd.ko
152 "high speed" (480 Mbit/sec, 60 Mbyte/sec) host controller hardware.
158 will connect to EHCI if the device is high speed, otherwise they
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