| /openbmc/linux/Documentation/hwmon/ |
| H A D | adm9240.rst | 10 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 D | dme1737.rst | 18 Addresses scanned: none, address read from Super-I/O config space
34 Addresses scanned: none, address read from Super-I/O config space
43 -----------------
52 Include non-standard LPC addresses 0x162e and 0x164e
55 - VIA EPIA SN18000
59 -----------
63 and SCH5127 Super-I/O chips. These chips feature monitoring of 3 temp sensors
64 temp[1-3] (2 remote diodes and 1 internal), 8 voltages in[0-7] (7 external and
65 1 internal) and up to 6 fan speeds fan[1-6]. Additionally, the chips implement
66 up to 5 PWM outputs pwm[1-3,5-6] for controlling fan speeds both manually and
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| H A D | vt1211.rst | 10 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
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
60 connected to the PWM outputs of the VT1211 :-().
80 ------------------
82 Voltages are sampled by an 8-bit ADC with a LSB of ~10mV. The supported input
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| H A D | pc87360.rst | 22 -----------------
27 - 0: None
28 - **1**: Forcibly enable internal voltage and temperature channels,
30 - 2: Forcibly enable all voltage and temperature channels, except in9
31 - 3: Forcibly enable all voltage and temperature channels, including in9
42 -----------
56 PC87360 - 2 2 - 0xE1
57 PC87363 - 2 2 - 0xE8
58 PC87364 - 3 3 - 0xE4
60 PC87366 11 3 3 3-4 0xE9
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| H A 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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| /openbmc/linux/arch/arm/boot/dts/intel/socfpga/ |
| H A D | socfpga_cyclone5_chameleon96.dts | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
8 #include <dt-bindings/gpio/gpio.h>
14 compatible = "novtech,chameleon96", "altr,socfpga-cyclone5", "altr,socfpga";
18 stdout-path = "serial0:115200n8";
28 compatible = "regulator-fixed";
29 regulator-name = "3.3V";
30 regulator-min-microvolt = <3300000>;
31 regulator-max-microvolt = <3300000>;
35 compatible = "gpio-leds";
40 linux,default-trigger = "heartbeat";
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| /openbmc/linux/arch/mips/boot/dts/brcm/ |
| H A D | bcm63268-comtrend-vr-3032u.dts | 1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
7 compatible = "comtrend,vr-3032u", "brcm,bcm63268";
8 model = "Comtrend VR-3032u";
17 stdout-path = &uart0;
23 brcm,serial-leds;
24 brcm,serial-dat-low;
25 brcm,serial-shift-inv;
29 brcm,hardware-controlled;
30 brcm,link-signal-sources = <0>;
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| /openbmc/linux/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ |
| H A D | smu7_thermal.c | 32 if (hwmgr->thermal_controller.fanInfo.bNoFan) in smu7_fan_ctrl_get_fan_speed_info()
33 return -ENODEV; in smu7_fan_ctrl_get_fan_speed_info()
35 fan_speed_info->supports_percent_read = true; in smu7_fan_ctrl_get_fan_speed_info()
36 fan_speed_info->supports_percent_write = true; in smu7_fan_ctrl_get_fan_speed_info()
37 fan_speed_info->min_percent = 0; in smu7_fan_ctrl_get_fan_speed_info()
38 fan_speed_info->max_percent = 100; in smu7_fan_ctrl_get_fan_speed_info()
41 hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) { in smu7_fan_ctrl_get_fan_speed_info()
42 fan_speed_info->supports_rpm_read = true; in smu7_fan_ctrl_get_fan_speed_info()
43 fan_speed_info->supports_rpm_write = true; in smu7_fan_ctrl_get_fan_speed_info()
44 fan_speed_info->min_rpm = hwmgr->thermal_controller.fanInfo.ulMinRPM; in smu7_fan_ctrl_get_fan_speed_info()
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| H A D | vega20_thermal.c | 34 struct vega20_hwmgr *data = hwmgr->backend; in vega20_disable_fan_control_feature()
37 if (data->smu_features[GNLD_FAN_CONTROL].supported) { in vega20_disable_fan_control_feature()
40 data->smu_features[GNLD_FAN_CONTROL]. in vega20_disable_fan_control_feature()
45 data->smu_features[GNLD_FAN_CONTROL].enabled = false; in vega20_disable_fan_control_feature()
53 struct vega20_hwmgr *data = hwmgr->backend; in vega20_fan_ctrl_stop_smc_fan_control()
55 if (data->smu_features[GNLD_FAN_CONTROL].supported) in vega20_fan_ctrl_stop_smc_fan_control()
63 struct vega20_hwmgr *data = hwmgr->backend; in vega20_enable_fan_control_feature()
66 if (data->smu_features[GNLD_FAN_CONTROL].supported) { in vega20_enable_fan_control_feature()
69 data->smu_features[GNLD_FAN_CONTROL]. in vega20_enable_fan_control_feature()
74 data->smu_features[GNLD_FAN_CONTROL].enabled = true; in vega20_enable_fan_control_feature()
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| H A D | vega10_thermal.c | 42 if (hwmgr->thermal_controller.fanInfo.bNoFan) in vega10_fan_ctrl_get_fan_speed_info()
45 fan_speed_info->supports_percent_read = true; in vega10_fan_ctrl_get_fan_speed_info()
46 fan_speed_info->supports_percent_write = true; in vega10_fan_ctrl_get_fan_speed_info()
47 fan_speed_info->min_percent = 0; in vega10_fan_ctrl_get_fan_speed_info()
48 fan_speed_info->max_percent = 100; in vega10_fan_ctrl_get_fan_speed_info()
51 hwmgr->thermal_controller.fanInfo. in vega10_fan_ctrl_get_fan_speed_info()
53 fan_speed_info->supports_rpm_read = true; in vega10_fan_ctrl_get_fan_speed_info()
54 fan_speed_info->supports_rpm_write = true; in vega10_fan_ctrl_get_fan_speed_info()
55 fan_speed_info->min_rpm = in vega10_fan_ctrl_get_fan_speed_info()
56 hwmgr->thermal_controller.fanInfo.ulMinRPM; in vega10_fan_ctrl_get_fan_speed_info()
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| /openbmc/linux/arch/arm/boot/dts/st/ |
| H A D | stih410-b2260.dts | 1 // SPDX-License-Identifier: GPL-2.0-only
6 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
12 compatible = "st,stih410-b2260", "st,stih410";
15 stdout-path = &uart1;
29 compatible = "gpio-leds";
30 led-user-green-1 {
33 linux,default-trigger = "heartbeat";
34 default-state = "off";
37 led-user-green-2 {
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| /openbmc/u-boot/arch/arm/dts/ |
| H A D | stih410-b2260.dts | 9 /dts-v1/;
11 #include <dt-bindings/gpio/gpio.h>
15 compatible = "st,stih410-b2260", "st,stih410";
19 linux,stdout-path = &uart1;
20 stdout-path = &uart1;
36 compatible = "gpio-leds";
40 linux,default-trigger = "heartbeat";
41 default-state = "off";
47 default-state = "off";
53 default-state = "off";
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| /openbmc/linux/Documentation/admin-guide/pm/ |
| H A 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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| /openbmc/linux/Documentation/devicetree/bindings/usb/ |
| H A D | usb.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
22 phy-names:
26 usb-phy:
27 $ref: /schemas/types.yaml#/definitions/phandle-array
36 UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is selected, UTMI+ low
38 serial is specified and High-Speed Inter-Chip feature if HSIC is
44 maximum-speed:
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| /openbmc/linux/Documentation/ABI/testing/ |
| H A D | sysfs-bus-pci-drivers-ehci_hcd | 7 PCI-based EHCI USB controllers (i.e., high-speed USB-2.0
9 "companion" full/low-speed USB-1.1 controllers. When a
10 high-speed device is plugged in, the connection is routed
11 to the EHCI controller; when a full- or low-speed device
15 Sometimes you want to force a high-speed device to connect
16 at full speed, which can be accomplished by forcing the
23 For example: To force the high-speed device attached to
24 port 4 on bus 2 to run at full speed::
28 To return the port to high-speed operation::
30 echo -4 >/sys/bus/usb/devices/usb2/../companion
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| /openbmc/linux/drivers/usb/dwc2/ |
| H A 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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| H A D | hcd_queue.c | 1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
3 * hcd_queue.c - DesignWare HS OTG Controller host queuing routines
5 * Copyright (C) 2004-2013 Synopsys, Inc.
17 #include <linux/dma-mapping.h>
35 * dwc2_periodic_channel_available() - Checks that a channel is available for a
47 * non-periodic transactions in dwc2_periodic_channel_available()
52 num_channels = hsotg->params.host_channels; in dwc2_periodic_channel_available()
53 if ((hsotg->periodic_channels + hsotg->non_periodic_channels < in dwc2_periodic_channel_available()
54 num_channels) && (hsotg->periodic_channels < num_channels - 1)) { in dwc2_periodic_channel_available()
57 dev_dbg(hsotg->dev, in dwc2_periodic_channel_available()
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| /openbmc/linux/Documentation/usb/ |
| H A D | ehci.rst | 5 27-Dec-2002
7 The EHCI driver is used to talk to high speed USB 2.0 devices using
8 USB 2.0-capable host controller hardware. The USB 2.0 standard is
11 - "High Speed" 480 Mbit/sec (60 MByte/sec)
12 - "Full Speed" 12 Mbit/sec (1.5 MByte/sec)
13 - "Low Speed" 1.5 Mbit/sec
15 USB 1.1 only addressed full speed and low speed. High speed devices
23 (TT) in the hub, which turns low or full speed transactions into
24 high speed "split transactions" that don't waste transfer bandwidth.
31 While usb-storage devices have been available since mid-2001 (working
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| /openbmc/u-boot/doc/device-tree-bindings/pinctrl/ |
| H A D | st,stm32-pinctrl.txt | 5 also provides ability to multiplex and configure the output of various on-chip
10 - compatible: value should be one of the following:
11 (a) "st,stm32f429-pinctrl"
12 (b) "st,stm32f746-pinctrl"
13 - #address-cells: The value of this property must be 1
14 - #size-cells : The value of this property must be 1
15 - ranges : defines mapping between pin controller node (parent) to
16 gpio-bank node (children).
17 - pins-are-numbered: Specify the subnodes are using numbered pinmux to
22 - gpio-controller : Indicates this device is a GPIO controller
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| /openbmc/linux/drivers/cpufreq/ |
| H A D | pmac32-cpufreq.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2002 - 2005 Benjamin Herrenschmidt <benh@kernel.crashing.org>
41 * init/main.c to make it non-init before enabling DEBUG_FREQ
50 * Currently, PowerMac cpufreq supports only high & low frequencies
108 /* Switch CPU speed under 750FX CPU control
131 /* tweak L2 for low voltage */ in cpu_750fx_cpu_speed()
154 /* Switch CPU speed using DFS */
188 /* Switch CPU speed using slewing GPIOs
230 /* Switch CPU speed under PMU control
254 * the above didn't re-enable the DEC */ in pmu_set_cpu_speed()
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| /openbmc/linux/arch/arm64/boot/dts/hisilicon/ |
| H A D | hi3660-hikey960.dts | 1 // SPDX-License-Identifier: GPL-2.0
9 /dts-v1/;
12 #include "hikey960-pinctrl.dtsi"
13 #include <dt-bindings/gpio/gpio.h>
14 #include <dt-bindings/input/input.h>
15 #include <dt-bindings/interrupt-controller/irq.h>
16 #include <dt-bindings/usb/pd.h>
20 compatible = "hisilicon,hi3660-hikey960", "hisilicon,hi3660";
35 stdout-path = "serial6:115200n8";
44 reserved-memory {
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| /openbmc/u-boot/drivers/i2c/ |
| H A D | stm32f7_i2c.c | 1 // SPDX-License-Identifier: GPL-2.0+
130 * struct stm32_i2c_spec - private i2c specification timing
131 * @rate: I2C bus speed (Hz)
132 * @rate_min: 80% of I2C bus speed (Hz)
133 * @rate_max: 120% of I2C bus speed (Hz)
139 * @l_min: Min low period of the SCL clock (ns)
157 * struct stm32_i2c_setup - private I2C timing setup parameters
158 * @speed: I2C speed mode (standard, Fast Plus)
159 * @speed_freq: I2C speed frequency (Hz)
163 * @dnf: Digital filter coefficient (0-16)
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| /openbmc/linux/drivers/gpu/drm/nouveau/nvkm/subdev/pci/ |
| H A D | gk104.c | 29 return (nvkm_rd32(pci->subdev.device, 0x8c1c0) & 0x4) == 0x4 ? 2 : 1; in gk104_pcie_version_supported()
33 gk104_pcie_set_cap_speed(struct nvkm_pci *pci, enum nvkm_pcie_speed speed) in gk104_pcie_set_cap_speed() argument
35 struct nvkm_device *device = pci->subdev.device; in gk104_pcie_set_cap_speed()
37 switch (speed) { in gk104_pcie_set_cap_speed()
56 int speed = gf100_pcie_cap_speed(pci); in gk104_pcie_cap_speed() local
58 if (speed == 0) in gk104_pcie_cap_speed()
61 if (speed >= 1) { in gk104_pcie_cap_speed()
62 int speed2 = nvkm_rd32(pci->subdev.device, 0x8c1c0) & 0x30000; in gk104_pcie_cap_speed()
74 return -EINVAL; in gk104_pcie_cap_speed()
78 gk104_pcie_set_lnkctl_speed(struct nvkm_pci *pci, enum nvkm_pcie_speed speed) in gk104_pcie_set_lnkctl_speed() argument
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| /openbmc/linux/Documentation/cdrom/ |
| H A D | cdrom-standard.rst | 2 A Linux CD-ROM standard
14 Linux is probably the Unix-like operating system that supports
18 - The large list of hardware devices available for the many platforms
19 that Linux now supports (i.e., i386-PCs, Sparc Suns, etc.)
20 - The open design of the operating system, such that anybody can write a
22 - There is plenty of source code around as examples of how to write a driver.
29 This divergence of behavior has been very significant for CD-ROM
32 their drivers totally inconsistent, the writers of Linux CD-ROM
35 maintain uniform behavior across all the Linux CD-ROM drivers.
38 all the different CD-ROM device drivers for Linux. This document also
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| /openbmc/linux/arch/arm64/boot/dts/qcom/ |
| H A D | apq8016-sbc.dts | 1 // SPDX-License-Identifier: GPL-2.0-only
6 /dts-v1/;
8 #include "msm8916-pm8916.dtsi"
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/input/input.h>
11 #include <dt-bindings/leds/common.h>
12 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
13 #include <dt-bindings/pinctrl/qcom,pmic-mpp.h>
14 #include <dt-bindings/sound/apq8016-lpass.h>
18 compatible = "qcom,apq8016-sbc", "qcom,apq8016";
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