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/Linux-v5.4/Documentation/devicetree/bindings/usb/
Dusb251xb.txt1 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 - skip-config : Skip Hub configuration, but only send the USB-Attach command
16 - vendor-id : Set USB Vendor ID of the hub (16 bit, default is 0x0424)
17 - product-id : Set USB Product ID of the hub (16 bit, default depends on type)
18 - device-id : Set USB Device ID of the hub (16 bit, default is 0x0bb3)
19 - language-id : Set USB Language ID (16 bit, default is 0x0000)
[all …]
/Linux-v5.4/tools/power/cpupower/utils/
Dcpufreq-info.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
39 value[LINE_LEN - 1] = '\0'; in count_cpus()
40 if (strlen(value) < (LINE_LEN - 2)) in count_cpus()
62 unsigned long min, max; in proc_cpufreq_output() local
64 printf(_(" minimum CPU frequency - maximum CPU frequency - governor\n")); in proc_cpufreq_output()
72 if (cpufreq_get_hardware_limits(cpu, &min, &max)) { in proc_cpufreq_output()
73 max = 0; in proc_cpufreq_output()
75 min_pctg = (policy->min * 100) / max; in proc_cpufreq_output()
76 max_pctg = (policy->max * 100) / max; in proc_cpufreq_output()
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/Linux-v5.4/crypto/
Dxor.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * Dispatch optimized RAID-5 checksumming functions.
33 active_template->do_2(bytes, dest, p1); in xor_blocks()
39 active_template->do_3(bytes, dest, p1, p2); in xor_blocks()
45 active_template->do_4(bytes, dest, p1, p2, p3); in xor_blocks()
50 active_template->do_5(bytes, dest, p1, p2, p3, p4); in xor_blocks()
62 int speed; in do_xor_speed() local
64 int i, count, max; in do_xor_speed() local
66 tmpl->next = template_list; in do_xor_speed()
73 * this to calculate the speed of checksumming. We use a 2-page in do_xor_speed()
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/Linux-v5.4/Documentation/devicetree/bindings/lpddr2/
Dlpddr2-timings.txt1 * AC timing parameters of LPDDR2(JESD209-2) memories for a given speed-bin
4 - compatible : Should be "jedec,lpddr2-timings"
5 - min-freq : minimum DDR clock frequency for the speed-bin. Type is <u32>
6 - max-freq : maximum DDR clock frequency for the speed-bin. Type is <u32>
11 data-sheet of the device for a given speed-bin. All these properties are
13 a different unit have a suffix indicating the unit such as 'tRAS-max-ns'
14 - tRCD
15 - tWR
16 - tRAS-min
17 - tRRD
[all …]
/Linux-v5.4/drivers/macintosh/
Dwindfarm_rm31.c1 // SPDX-License-Identifier: GPL-2.0-only
93 #define LOW_OVER_CLEAR ((-10) << 16)
103 /* We max all CPU fans in case of a sensor error. We also do the in cpu_max_all_fans()
155 * We calculate a history of max temperatures and use that for the in cpu_check_overtemp()
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()
228 return -EIO; in read_one_cpu_vals()
248 s32 speed, temp, power, t_max = 0; in cpu_fans_tick() local
[all …]
Dwindfarm_pm72.c1 // SPDX-License-Identifier: GPL-2.0-only
65 /* Fixed speed for slot fan */
99 #define LOW_OVER_CLEAR ((-10) << 16)
109 /* We max all CPU fans in case of a sensor error. We also do the in cpu_max_all_fans()
161 * We calculate a history of max temperatures and use that for the in cpu_check_overtemp()
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()
234 return -EIO; in read_one_cpu_vals()
[all …]
Dwindfarm_pm112.c1 // SPDX-License-Identifier: GPL-2.0-only
57 "cpu-rear-fan-0",
58 "cpu-rear-fan-1",
59 "cpu-front-fan-0",
60 "cpu-front-fan-1",
61 "cpu-pump-0",
62 "cpu-pump-1",
67 #define CPU_FANS_REQD (NR_CPU_FANS - 2)
74 /* Scale factor for fan speed, *100 */
117 #define LOW_OVER_CLEAR ((-10) << 16)
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/Linux-v5.4/drivers/ide/
Dide-timings.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 1999-2001 Vojtech Pavlik
4 * Copyright (c) 2007-2008 Bartlomiej Zolnierkiewicz
7 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
16 * PIO 0-5, MWDMA 0-2 and UDMA 0-6 timings (in nanoseconds).
17 * These were taken from ATA/ATAPI-6 standard, rev 0a, except
57 struct ide_timing *ide_timing_find_mode(u8 speed) in ide_timing_find_mode() argument
61 for (t = ide_timing; t->mode != speed; t++) in ide_timing_find_mode()
62 if (t->mode == 0xff) in ide_timing_find_mode()
70 u16 *id = drive->id; in ide_pio_cycle_time()
[all …]
Dide-xfer-mode.c1 // SPDX-License-Identifier: GPL-2.0-only
21 * ide_xfer_verbose - return IDE mode names
51 * ide_get_best_pio_mode - get PIO mode from drive
57 * based on the drive->id information and the ide_pio_blacklist[].
59 * Drive PIO mode is auto-selected if 255 is passed as mode_wanted.
60 * This is used by most chipset support modules when "auto-tuning".
65 u16 *id = drive->id; in ide_get_best_pio_mode()
66 int pio_mode = -1, overridden = 0; in ide_get_best_pio_mode()
71 if ((drive->hwif->host_flags & IDE_HFLAG_PIO_NO_BLACKLIST) == 0) in ide_get_best_pio_mode()
74 if (pio_mode != -1) { in ide_get_best_pio_mode()
[all …]
/Linux-v5.4/Documentation/hwmon/
Dadm1026.rst16 - Philip Pokorny <ppokorny@penguincomputing.com> for Penguin Computing
17 - Justin Thiessen <jthiessen@penguincomputing.com>
20 -----------------
22 * gpio_input: int array (min = 1, max = 17)
23 List of GPIO pins (0-16) to program as inputs
25 * gpio_output: int array (min = 1, max = 17)
26 List of GPIO pins (0-16) to program as outputs
28 * gpio_inverted: int array (min = 1, max = 17)
29 List of GPIO pins (0-16) to program as inverted
31 * gpio_normal: int array (min = 1, max = 17)
[all …]
Ddme1737.rst18 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
[all …]
/Linux-v5.4/arch/arm64/boot/dts/mediatek/
Dmt2712-evb.dts5 * SPDX-License-Identifier: (GPL-2.0 OR MIT)
8 /dts-v1/;
9 #include <dt-bindings/gpio/gpio.h>
14 compatible = "mediatek,mt2712-evb", "mediatek,mt2712";
26 stdout-path = "serial0:921600n8";
30 compatible = "regulator-fixed";
31 regulator-name = "vproc_buck0";
32 regulator-min-microvolt = <1000000>;
33 regulator-max-microvolt = <1000000>;
37 compatible = "regulator-fixed";
[all …]
/Linux-v5.4/arch/arm64/boot/dts/qcom/
Dapq8096-db820c.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2014-2016, The Linux Foundation. All rights reserved.
9 #include "apq8096-db820c-pins.dtsi"
10 #include "apq8096-db820c-pmic-pins.dtsi"
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/gpio/gpio.h>
13 #include <dt-bindings/sound/qcom,q6afe.h>
14 #include <dt-bindings/sound/qcom,q6asm.h>
21 * LSEC = Low Speed External Connector
22 * P HSEC = Primary High Speed External Connector
[all …]
Dapq8016-sbc.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
8 #include "apq8016-sbc-soc-pins.dtsi"
9 #include "apq8016-sbc-pmic-pins.dtsi"
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/sound/apq8016-lpass.h>
19 * LSEC = Low Speed External Connector
20 * HSEC = High Speed External Connector
34 * the GPIO named lines "GPIO-A" thru "GPIO-L" are the only
51 stdout-path = "serial0";
[all …]
/Linux-v5.4/drivers/net/ethernet/intel/e1000/
De1000_param.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2006 Intel Corporation. */
12 #define OPTION_UNSET -1
30 * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
31 * Valid Range: 80-4096 for 82544 and newer
39 * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
40 * Valid Range: 80-4096 for 82544 and newer
46 /* User Specified Speed Override
49 * - 0 - auto-negotiate at all supported speeds
50 * - 10 - only link at 10 Mbps
[all …]
/Linux-v5.4/drivers/gpu/drm/nouveau/nvkm/subdev/pci/
Dgk104.c29 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
[all …]
/Linux-v5.4/drivers/usb/gadget/udc/aspeed-vhub/
Ddev.c1 // SPDX-License-Identifier: GPL-2.0+
3 * aspeed-vhub -- Driver for Aspeed SoC "vHub" USB gadget
5 * dev.c - Individual device/gadget management (ie, a port = a gadget)
31 #include <linux/dma-mapping.h>
39 u32 istat = readl(d->regs + AST_VHUB_DEV_ISR); in ast_vhub_dev_irq()
41 writel(istat, d->regs + AST_VHUB_DEV_ISR); in ast_vhub_dev_irq()
44 ast_vhub_ep0_handle_ack(&d->ep0, true); in ast_vhub_dev_irq()
46 ast_vhub_ep0_handle_ack(&d->ep0, false); in ast_vhub_dev_irq()
48 ast_vhub_ep0_handle_setup(&d->ep0); in ast_vhub_dev_irq()
55 if (d->enabled) in ast_vhub_dev_enable()
[all …]
/Linux-v5.4/Documentation/devicetree/bindings/net/can/
Dcan-transceiver.txt2 ------------------------------
4 CAN transceiver typically limits the max speed in standard CAN and CAN FD
7 the "can-transceiver" node can be used.
10 max-bitrate: a positive non 0 value that determines the max
11 speed that CAN/CAN-FD can run. Any other value
20 can-transceiver {
21 max-bitrate = <5000000>;
/Linux-v5.4/Documentation/devicetree/bindings/hwmon/
Dgpio-fan.txt4 - compatible : "gpio-fan"
7 - gpios: Specifies the pins that map to bits in the control value,
8 ordered MSB-->LSB.
9 - gpio-fan,speed-map: A mapping of possible fan RPM speeds and the
12 - alarm-gpios: This pin going active indicates something is wrong with
14 - #cooling-cells: If used as a cooling device, must be <2>
16 min and max states are derived from the speed-map of the fan.
18 Note: At least one the "gpios" or "alarm-gpios" properties must be set.
23 compatible = "gpio-fan";
26 gpio-fan,speed-map = <0 0
[all …]
/Linux-v5.4/drivers/usb/core/
Ddevices.c1 // SPDX-License-Identifier: GPL-2.0+
16 * reason -- maybe it's just too deep of a directory structure.
24 * this in any plug-and-play environment.)
26 * 1999-12-16: Thomas Sailer <sailer@ife.ee.ethz.ch>
32 * 2000-01-04: Thomas Sailer <sailer@ife.ee.ethz.ch>
34 * 2000-07-05: Ashley Montanaro <ashley@compsoc.man.ac.uk>
56 "\nT: Bus=%2.2d Lev=%2.2d Prnt=%2.2d Port=%2.2d Cnt=%2.2d Dev#=%3d Spd=%-4s MxCh=%2d\n";
78 "D: Ver=%2x.%02x Cls=%02x(%-5s) Sub=%02x Prot=%02x MxPS=%2d #Cfgs=%3d\n";
90 "A: FirstIf#=%2d IfCount=%2d Cls=%02x(%-5s) Sub=%02x Prot=%02x\n";
94 "I:%c If#=%2d Alt=%2d #EPs=%2d Cls=%02x(%-5s) Sub=%02x Prot=%02x Driver=%s\n";
[all …]
/Linux-v5.4/arch/arm64/boot/dts/hisilicon/
Dhi3660-hikey960.dts1 // 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>
19 compatible = "hisilicon,hi3660-hikey960", "hisilicon,hi3660";
34 stdout-path = "serial6:115200n8";
43 reserved-memory {
44 #address-cells = <2>;
[all …]
/Linux-v5.4/tools/spi/
Dspidev_test.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * Cross-compile with cross-gcc -I/path/to/cross-kernel/include
38 static uint32_t speed = 500000; variable
66 while (length-- > 0) { in hex_dump()
86 * Unescape - process hexadecimal escape character
87 * converts shell input "\x23" -> 0x23
122 .speed_hz = speed, in transfer()
166 printf("Usage: %s [-DsbdlHOLC3vpNR24SI]\n", prog); in print_usage()
167 puts(" -D --device device to use (default /dev/spidev1.1)\n" in print_usage()
168 " -s --speed max speed (Hz)\n" in print_usage()
[all …]
/Linux-v5.4/Documentation/sound/cards/
Dhdspm.rst2 Software Interface ALSA-DSP MADI Driver
5 (translated from German, so no good English ;-),
7 2004 - winfried ritsch
11 the Controls and startup-options are ALSA-Standard and only the
19 ------------------
21 * number of channels -- depends on transmission mode
29 * Single Speed -- 1..64 channels
37 * Double Speed -- 1..32 channels
40 Note: Choosing the 56-channel mode for
41 transmission/receive-mode , only 28 are transmitted/received
[all …]
/Linux-v5.4/arch/arm/boot/dts/
Dimx51-zii-scu2-mezz.dts1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
7 /dts-v1/;
13 compatible = "zii,imx51-scu2-mezz", "fsl,imx51";
16 stdout-path = &uart1;
26 mdio-gpio0 = &mdio_gpio;
29 usb_vbus: regulator-usb-vbus {
30 compatible = "regulator-fixed";
31 pinctrl-names = "default";
32 pinctrl-0 = <&pinctrl_usb_mmc_reset>;
34 startup-delay-us = <150000>;
[all …]
/Linux-v5.4/drivers/gpu/drm/amd/powerplay/hwmgr/
Dsmu7_thermal.c32 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()
[all …]

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