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/linux/Documentation/devicetree/bindings/power/reset/
H A Dgpio-poweroff.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/reset/gpio-poweroff.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
15 from inactive to active. After a delay (active-delay-ms) it
16 is expected to be switched back to inactive. After another
17 delay (inactive-delay-ms) it is configured as active again.
19 the system is still running after waiting some time (timeout-ms).
22 - $ref: restart-handler.yaml#
[all …]
H A Dgpio-restart.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/reset/gpio-restart.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
17 'open-source' is not found, the GPIO line will be driven in the inactive state. Otherwise its
22 This will also cause an inactive->active edge condition, triggering positive edge triggered
23 reset. After a delay specified by active-delay, the GPIO is set to inactive, thus causing an
24 active->inactive edge, triggering negative edge triggered reset. After a delay specified by
25 inactive-delay, the GPIO is driven active again. After a delay specified by wait-delay, the
[all …]
/linux/include/linux/amba/
H A Dpl022.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Copyright (C) 2008-2009 ST-Ericsson AB
11 * linux-2.6.17-rc3-mm1/drivers/spi/pxa2xx_spi.c
31 * enum ssp_interface - interfaces allowed for this SSP Controller
48 * enum ssp_hierarchy - whether SSP is configured as Master or Slave
56 * enum ssp_clock_params - clock parameters, to set SSP clock at a
65 * enum ssp_rx_endian - endianess of Rx FIFO Data
74 * enum ssp_tx_endian - endianess of Tx FIFO Data
82 * enum ssp_data_size - number of bits in one data element
98 * enum ssp_mode - SSP mode of operation (Communication modes)
[all …]
/linux/kernel/time/
H A Dtimer.c1 // SPDX-License-Identifier: GPL-2.0
7 * 1997-01-28 Modified by Finn Arne Gangstad to make timers scale better.
9 * 1997-09-10 Updated NTP code according to technical memorandum Jan '96
11 * 1998-12-24 Fixed a xtime SMP race (we need the xtime_lock rw spinlock to
14 * 1999-03-10 Improved NTP compatibility by Ulrich Windl
15 * 2002-05-31 Move sys_sysinfo here and make its locking sane, Robert Love
16 * 2000-10-05 Implemented scalable SMP per-CPU timer handling.
33 #include <linux/posix-timers.h>
36 #include <linux/delay.h>
54 #include "tick-internal.h"
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/linux/drivers/video/backlight/
H A Dpwm_bl.c1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <linux/delay.h>
43 if (pb->enabled) in pwm_backlight_power_on()
46 if (pb->power_supply) { in pwm_backlight_power_on()
47 err = regulator_enable(pb->power_supply); in pwm_backlight_power_on()
49 dev_err(pb->dev, "failed to enable power supply\n"); in pwm_backlight_power_on()
52 if (pb->post_pwm_on_delay) in pwm_backlight_power_on()
53 msleep(pb->post_pwm_on_delay); in pwm_backlight_power_on()
55 gpiod_set_value_cansleep(pb->enable_gpio, 1); in pwm_backlight_power_on()
57 pb->enabled = true; in pwm_backlight_power_on()
[all …]
/linux/Documentation/devicetree/bindings/input/
H A Dazoteq,iqs7222.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jeff LaBundy <jeff@labundy.com>
21 - azoteq,iqs7222a
22 - azoteq,iqs7222b
23 - azoteq,iqs7222c
24 - azoteq,iqs7222d
29 irq-gpios:
32 Specifies the GPIO connected to the device's active-low RDY output.
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/linux/fs/dlm/
H A Dlock.c1 // SPDX-License-Identifier: GPL-2.0-only
5 ** Copyright (C) 2005-2010 Red Hat, Inc. All rights reserved.
52 L: send_xxxx() -> R: receive_xxxx()
54 L: receive_xxxx_reply() <- R: send_xxxx_reply()
89 const struct dlm_message *ms, bool local);
90 static int receive_extralen(const struct dlm_message *ms);
95 * Lock compatibilty matrix - thanks Steve
120 * -1 = nothing happens to the LVB
125 { -1, 1, 1, 1, 1, 1, 1, -1 }, /* UN */
126 { -1, 1, 1, 1, 1, 1, 1, 0 }, /* NL */
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/linux/include/linux/input/
H A Dadxl34x.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
71 * factor is 1.25 ms/LSB. A zero value will disable the Double Tap
81 * tap can begin. The scale factor is 1.25 ms/LSB. A zero value will
109 * considered inactive and the inactivity interrupt is triggered.
152 * result in the function appearing un-responsive if the
162 * holds the threshold value for Free-Fall detection.
163 * The data format is unsigned. The root-sum-square(RSS) value
167 * result in undesirable behavior if Free-Fall interrupt is
178 * free_fall_threshold to generate a Free-Fall interrupt. The
179 * scale factor is 5 ms/LSB. A zero value may result in
[all …]
/linux/drivers/usb/common/
H A Dusb-conn-gpio.c1 // SPDX-License-Identifier: GPL-2.0
9 * Some code borrowed from drivers/extcon/extcon-usb-gpio.c
28 #define USB_GPIO_DEB_MS 20 /* ms */
36 int conn_id; /* store the IDA-allocated ID */
56 * so if "HOST" is active (i.e. ID is 0) we keep "DEVICE" inactive
60 * ------------------------------------
67 * - VBUS only - we want to distinguish between [1] and [2], so ID is always 1
68 * - ID only - we want to distinguish between [1] and [4], so VBUS = ID
80 id = info->id_gpiod ? in usb_conn_detect_cable()
81 gpiod_get_value_cansleep(info->id_gpiod) : 1; in usb_conn_detect_cable()
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/linux/drivers/pci/
H A Dpci.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright 1993 -- 1997 Drew Eckhardt, Frederic Potter,
6 * David Mosberger-Tang
8 * Copyright 1997 -- 2000 Martin Mares <mj@ucw.cz>
13 #include <linux/delay.h>
82 unsigned int delay_ms = max(dev->d3hot_delay, pci_pm_d3hot_delay); in pci_dev_d3_sleep()
86 /* Use a 20% upper bound, 1ms minimum */ in pci_dev_d3_sleep()
95 return dev->reset_methods[0] != 0; in pci_reset_supported()
114 * pci=hpmmiosize=nnM overrides non-prefetchable MMIO size,
125 /* PCIe MPS/MRRS strategy; can be overridden by kernel command-line param */
[all …]
/linux/drivers/net/wireless/ti/wlcore/
H A Dconf.h1 /* SPDX-License-Identifier: GPL-2.0-only */
117 * Range: 0 - 0xFFFFFFFF
130 * after a PS-poll has been transmitted.
132 * Range: 0 - 200000
139 * Range: 0 - 200000
147 * Range: 0 - 4096
161 * Occupied Rx mem-blocks number which requires interrupting the host
177 * Max time in msec the FW may delay RX-Complete interrupt.
179 * Range: 1 - 100
273 * Range: bit 0: Truncate - when set, FW attempts to send a frame stop
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/linux/drivers/usb/core/
H A Dhub.c1 // SPDX-License-Identifier: GPL-2.0
66 * The SET_ADDRESS request timeout will be 500 ms when
69 #define USB_SHORT_SET_ADDRESS_REQ_TIMEOUT 500 /* ms */
72 * Give SS hubs 200ms time after wake to train downstream links before
75 #define USB_SS_PORT_U0_WAKE_TIME 200 /* ms */
77 /* Protect struct usb_device->state and ->children members
78 * Note: Both are also protected by ->dev.sem, except that ->state can
86 /* synchronize hub-port add/remove and peering operations */
96 * 10 seconds to send reply for the initial 64-byte descriptor request.
98 /* define initial 64-byte descriptor request timeout in milliseconds */
[all …]
/linux/drivers/net/ethernet/intel/ixgbe/
H A Dixgbe_82598.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
5 #include <linux/delay.h>
26 * ixgbe_set_pcie_completion_timeout - set pci-e completion timeout
29 * The defaults for 82598 should be in the range of 50us to 50ms,
30 * however the hardware default for these parts is 500us to 1ms which is less
31 * than the 10ms recommended by the pci-e spec. To address this we need to
32 * increase the value to either 10ms to 250ms for capability version 1 config,
33 * or 16ms to 55ms for version 2.
40 if (ixgbe_removed(hw->hw_addr)) in ixgbe_set_pcie_completion_timeout()
[all …]
H A Dixgbe_e610.c1 // SPDX-License-Identifier: GPL-2.0
13 * ixgbe_should_retry_aci_send_cmd_execute - decide if ACI command should
37 * ixgbe_aci_send_cmd_execute - execute sending FW Admin Command to FW Admin
48 * * - 0 - success.
49 * * - -EIO - CSR mechanism is not enabled.
50 * * - -EBUSY - CSR mechanism is busy.
51 * * - -EINVAL - buf_size is too big or
53 * * - -ETIME - Admin Command X command timeout.
54 * * - -EIO - Admin Command X invalid state of HICR register or
67 hw->aci.last_status = LIBIE_AQ_RC_OK; in ixgbe_aci_send_cmd_execute()
[all …]
/linux/drivers/scsi/
H A DNCR5380.h1 /* SPDX-License-Identifier: GPL-2.0 */
9 * +1 (303) 666-5836
19 * 1+ (719) 578-3400
20 * 1+ (800) 334-5454
26 #include <linux/delay.h>
65 * either arbitration is occurring or the phase-indicating signals (
76 #define ICR_TRI_STATE 0x40 /* wo Set to tri-state drivers */
137 #define BASR_BUSY_ERROR 0x04 /* ro Unexpected change to inactive state */
198 #define FLAG_TOSHIBA_DELAY 128 /* Allow for borken CD-ROMs */
201 NCR5380_implementation_fields; /* Board-specific data */
[all …]
/linux/sound/soc/codecs/
H A Dtlv320aic3x.c1 // SPDX-License-Identifier: GPL-2.0-only
16 * ------
1196 int delay = 0; aic3x_prepare() local
[all...]
/linux/drivers/pci/hotplug/
H A Dpciehp_hpc.c1 // SPDX-License-Identifier: GPL-2.0+
6 * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com)
8 * Copyright (C) 2003-2004 Intel Corporation
37 * assert presence detect--and those will still work, they will
38 * just have a bit of extra delay before being probed.
51 return ctrl->pcie->port; in ctrl_dev()
60 int retval, irq = ctrl->pcie->irq; in pciehp_request_irq()
63 ctrl->poll_thread = kthread_run(&pciehp_poll, ctrl, in pciehp_request_irq()
64 "pciehp_poll-%s", in pciehp_request_irq()
66 return PTR_ERR_OR_ZERO(ctrl->poll_thread); in pciehp_request_irq()
[all …]
/linux/block/
H A Dblk-iocost.c1 /* SPDX-License-Identifier: GPL-2.0
17 * useless for the purpose of IO capacity distribution. While on-device
19 * non-queued rotational devices, this is no longer viable with modern
27 * implement a reasonable work-conserving proportional IO resource
34 * device time. If a given IO is estimated to cost 10ms, the device should
37 * Currently, there's only one builtin cost model - linear. Each IO is
47 * device-specific coefficients.
54 * 2-1. Vtime Distribution
75 * against the device vtime - an IO which takes 10ms on the underlying
76 * device is considered to take 80ms on A0.
[all …]
/linux/arch/arm/boot/dts/ti/omap/
H A Dam335x-evm.dts1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
5 /dts-v1/;
8 #include <dt-bindings/interrupt-controller/irq.h>
12 compatible = "ti,am335x-evm", "ti,am33xx";
16 cpu0-supply = <&vdd1_reg>;
26 stdout-path = &uart0;
30 compatible = "regulator-fixed";
31 regulator-name = "vbat";
32 regulator-min-microvolt = <5000000>;
[all …]
/linux/kernel/
H A Dworkqueue.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * kernel/workqueue.c - generic async execution with shared worker pool
10 * Kai Petzke <wpp@marie.physik.tu-berlin.de>
22 * pools for workqueues which are not bound to any specific CPU - the
25 * Please read Documentation/core-api/workqueue.rst for details.
56 #include <linux/delay.h>
79 * BH pool is per-CPU and always DISASSOCIATED.
108 UNBOUND_POOL_HASH_ORDER = 6, /* hashed by pool->attrs */
115 /* call for help after 10ms
117 MAYDAY_INTERVAL = HZ / 10, /* and then every 100ms */
[all …]
/linux/drivers/rtc/
H A Drtc-ds1685.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * An rtc driver for the Dallas/Maxim DS1685/DS1687 and related real-time
6 * Copyright (C) 2011-2014 Joshua Kinard <linux@kumba.dev>.
7 * Copyright (C) 2009 Matthias Fuchs <matthias.fuchs@esd-electronics.com>.
10 * DS1685/DS1687 3V/5V Real-Time Clocks, 19-5215, Rev 4/10.
11 * DS17x85/DS17x87 3V/5V Real-Time Clocks, 19-5222, Rev 4/10.
12 * DS1689/DS1693 3V/5V Serialized Real-Time Clocks, Rev 112105.
19 #include <linux/delay.h>
33 /* ----------------------------------------------------------------------- */
40 * ds1685_read - read a value from an rtc register.
[all …]
/linux/drivers/spi/
H A Dspi-sun4i.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2012 - 2014 Allwinner Tech
7 * Maxime Ripard <maxime.ripard@free-electrons.com>
11 #include <linux/delay.h>
92 return readl(sspi->base_addr + reg); in sun4i_spi_read()
97 writel(value, sspi->base_addr + reg); in sun4i_spi_write()
138 while (len--) { in sun4i_spi_drain_fifo()
139 byte = readb(sspi->base_addr + SUN4I_RXDATA_REG); in sun4i_spi_drain_fifo()
140 if (sspi->rx_buf) in sun4i_spi_drain_fifo()
141 *sspi->rx_buf++ = byte; in sun4i_spi_drain_fifo()
[all …]
/linux/drivers/gpu/drm/msm/
H A Dmsm_gpu.h1 /* SPDX-License-Identifier: GPL-2.0-only */
10 #include <linux/adreno-smmu-priv.h>
116 * struct msm_gpu_devfreq - devfreq related state
132 * it is inactive.
159 * Used to delay clamping to idle freq on active->idle transition.
210 * TODO move to per-ring locking where feasible (ie. submit/retire
251 #define DRM_MSM_INACTIVE_PERIOD 66 /* in ms (roughly four frames) */
253 #define DRM_MSM_HANGCHECK_DEFAULT_PERIOD 500 /* in ms */
263 /* work for handling active-list retiring: */
284 * switch-over happened early enough in mesa a6xx bringup that we
[all …]
/linux/drivers/isdn/mISDN/
H A Ddsp_core.c12 * Real-time tone generation
14 * Real-time cross-connection and conferrence
23 * The dsp module provides layer 2 for b-channels (64kbit). It provides
26 * - (1) generation of tones
27 * - (2) detection of dtmf tones
28 * - (3) crossconnecting and conferences (clocking)
29 * - (4) echo generation for delay test
30 * - (5) volume control
31 * - (6) disable receive data
32 * - (7) pipeline
[all …]
/linux/include/linux/spi/
H A Dspi.h1 /* SPDX-License-Identifier: GPL-2.0-or-later
38 * INTERFACES between SPI controller-side drivers and SPI target protocol handlers,
44 * struct spi_statistics - statistics for spi transfers
45 * @syncp: seqcount to protect members in this struct for per-cpu update
46 * on 32-bit systems
48 * @messages: number of spi-message
1103 struct spi_delay delay; global() member
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