| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/iio/addac/ |
| D | adi,ad74115.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Cosmin Tanislav <cosmin.tanislav@analog.com>
13 The AD74115H is a single-channel software configurable input/output
17 chip solution with an SPI interface. The device features a 16-bit ADC and a
18 14-bit DAC.
25 - adi,ad74115h
30 spi-max-frequency:
33 spi-cpol: true
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/iio/dac/ |
| D | adi,ad5421.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lars-Peter Clausen <lars@metafoo.de>
11 - Jonathan Cameron <jic23@kernel.org>
14 AD5421 is designed for us in loop-powered, 4 mA to 20 mA smart transmitter
15 applications. It provides a 16-bit DAC, current amplifier, voltage regulator
16 to drive the loop and a voltage reference.
30 - compatible
31 - reg
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| /kernel/linux/linux-5.10/drivers/usb/core/ |
| D | generic.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/usb/generic.c - generic driver for USB devices (not interfaces)
5 * (C) Copyright 2005 Greg Kroah-Hartman <gregkh@suse.de>
9 * (C) Copyright Johannes Erdfelt 1999-2001
14 * (C) Copyright David Brownell 2000-2004
17 * (C) Copyright Greg Kroah-Hartman 2002-2003
34 return desc->bInterfaceClass == USB_CLASS_COMM in is_rndis()
35 && desc->bInterfaceSubClass == 2 in is_rndis()
36 && desc->bInterfaceProtocol == 0xff; in is_rndis()
41 return desc->bInterfaceClass == USB_CLASS_MISC in is_activesync()
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| /kernel/linux/linux-6.6/drivers/usb/core/ |
| D | generic.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/usb/core/generic.c - generic driver for USB devices (not interfaces)
5 * (C) Copyright 2005 Greg Kroah-Hartman <gregkh@suse.de>
9 * (C) Copyright Johannes Erdfelt 1999-2001
14 * (C) Copyright David Brownell 2000-2004
17 * (C) Copyright Greg Kroah-Hartman 2002-2003
34 return desc->bInterfaceClass == USB_CLASS_COMM in is_rndis()
35 && desc->bInterfaceSubClass == 2 in is_rndis()
36 && desc->bInterfaceProtocol == 0xff; in is_rndis()
41 return desc->bInterfaceClass == USB_CLASS_MISC in is_activesync()
[all …]
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| /kernel/linux/linux-6.6/arch/arm/include/asm/ |
| D | mcpm.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
6 * Copyright: (C) 2012-2013 Linaro Limited
40 * branch once it is ready to re-enter the kernel using ptr, or NULL if it
41 * should be gated. A gated CPU is held in a WFE loop until its vector
59 * mcpm_is_available - returns whether MCPM is initialized and available
66 * mcpm_cpu_power_up - make given CPU in given cluster runable
71 * The identified CPU is brought out of reset. If the cluster was powered
87 * mcpm_cpu_power_down - power the calling CPU down
89 * The calling CPU is powered down.
92 * then the cluster is prepared for power-down too.
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| /kernel/linux/linux-5.10/arch/arm/include/asm/ |
| D | mcpm.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
6 * Copyright: (C) 2012-2013 Linaro Limited
40 * branch once it is ready to re-enter the kernel using ptr, or NULL if it
41 * should be gated. A gated CPU is held in a WFE loop until its vector
59 * mcpm_is_available - returns whether MCPM is initialized and available
66 * mcpm_cpu_power_up - make given CPU in given cluster runable
71 * The identified CPU is brought out of reset. If the cluster was powered
87 * mcpm_cpu_power_down - power the calling CPU down
89 * The calling CPU is powered down.
92 * then the cluster is prepared for power-down too.
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| /kernel/linux/linux-5.10/arch/mips/kernel/ |
| D | smp-cps.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
17 #include <asm/mips-cps.h>
20 #include <asm/pm-cps.h>
22 #include <asm/smp-cps.h>
73 for (v = 0; v < min_t(int, core_vpes, NR_CPUS - nvpes); v++) { in cps_smp_setup()
97 /* Core 0 is powered up (we're running on it) */ in cps_smp_setup()
112 /* If we have an FPU, enroll ourselves in the FPU-full mask */ in cps_smp_setup()
126 /* Detect whether the CCA is unsuited to multi-core SMP */ in cps_prepare_cpus()
131 /* The CCA is coherent, multi-core is fine */ in cps_prepare_cpus()
136 /* CCA is not coherent, multi-core is not usable */ in cps_prepare_cpus()
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| D | pm-cps.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
13 #include <asm/asm-offsets.h>
17 #include <asm/mips-cps.h>
20 #include <asm/pm-cps.h>
21 #include <asm/smp-cps.h>
25 * cps_nc_entry_fn - type of a generated non-coherent state entry function
27 * @nc_ready_count: pointer to a non-coherent mapping of the core ready_count
29 * The code entering & exiting non-coherent states is generated at runtime
32 * core-specific code particularly for cache routines. If coupled_coherence
33 * is non-zero and this is the entry function for the CPS_PM_NC_WAIT state,
[all …]
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| /kernel/linux/linux-6.6/arch/mips/kernel/ |
| D | smp-cps.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
18 #include <asm/mips-cps.h>
21 #include <asm/pm-cps.h>
24 #include <asm/smp-cps.h>
64 for (v = 0; v < min_t(int, core_vpes, NR_CPUS - nvpes); v++) { in cps_smp_setup()
88 /* Core 0 is powered up (we're running on it) */ in cps_smp_setup()
103 /* If we have an FPU, enroll ourselves in the FPU-full mask */ in cps_smp_setup()
117 /* Detect whether the CCA is unsuited to multi-core SMP */ in cps_prepare_cpus()
122 /* The CCA is coherent, multi-core is fine */ in cps_prepare_cpus()
127 /* CCA is not coherent, multi-core is not usable */ in cps_prepare_cpus()
[all …]
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| D | pm-cps.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
13 #include <asm/asm-offsets.h>
17 #include <asm/mips-cps.h>
20 #include <asm/pm-cps.h>
21 #include <asm/smp-cps.h>
25 * cps_nc_entry_fn - type of a generated non-coherent state entry function
27 * @nc_ready_count: pointer to a non-coherent mapping of the core ready_count
29 * The code entering & exiting non-coherent states is generated at runtime
32 * core-specific code particularly for cache routines. If coupled_coherence
33 * is non-zero and this is the entry function for the CPS_PM_NC_WAIT state,
[all …]
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| /kernel/linux/linux-6.6/Documentation/w1/slaves/ |
| D | w1_ds28e17.rst | 7 * Maxim DS28E17 1-Wire-to-I2C Master Bridge
19 -----------
30 SUBSYSTEM=="i2c-dev", KERNEL=="i2c-[0-9]*", ATTRS{name}=="w1-19-*", \
31 SYMLINK+="i2c-$attr{name}"
33 may be used to create stable /dev/i2c- entries based on the unique id of the
41 it is connected. The power-on default of the DS28E17 is 400kBaud, but
42 chips may come and go on the Onewire bus without being de-powered and
44 reconnected DS28E17 device on the Onewire bus, it will re-apply this
55 needed timeout cannot be pre-calculated correctly. As the w1_ds28e17
56 driver checks the DS28E17's busy flag in a loop after the precalculated
[all …]
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| /kernel/linux/linux-5.10/Documentation/w1/slaves/ |
| D | w1_ds28e17.rst | 7 * Maxim DS28E17 1-Wire-to-I2C Master Bridge
19 -----------
30 SUBSYSTEM=="i2c-dev", KERNEL=="i2c-[0-9]*", ATTRS{name}=="w1-19-*", \
31 SYMLINK+="i2c-$attr{name}"
33 may be used to create stable /dev/i2c- entries based on the unique id of the
41 it is connected. The power-on default of the DS28E17 is 400kBaud, but
42 chips may come and go on the Onewire bus without being de-powered and
44 reconnected DS28E17 device on the Onewire bus, it will re-apply this
55 needed timeout cannot be pre-calculated correctly. As the w1_ds28e17
56 driver checks the DS28E17's busy flag in a loop after the precalculated
[all …]
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| /kernel/linux/linux-6.6/drivers/soundwire/ |
| D | intel_bus_common.c | 1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 // Copyright(c) 2015-2023 Intel Corporation. All rights reserved.
14 struct device *dev = sdw->cdns.dev; in intel_start_bus()
15 struct sdw_cdns *cdns = &sdw->cdns; in intel_start_bus()
16 struct sdw_bus *bus = &cdns->bus; in intel_start_bus()
23 if (bus->multi_link) in intel_start_bus()
34 if (bus->multi_link) { in intel_start_bus()
63 schedule_delayed_work(&cdns->attach_dwork, in intel_start_bus()
71 struct device *dev = sdw->cdns.dev; in intel_start_bus_after_reset()
72 struct sdw_cdns *cdns = &sdw->cdns; in intel_start_bus_after_reset()
[all …]
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| /kernel/linux/linux-5.10/kernel/rcu/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # RCU-related configuration options
24 thousands of CPUs, but for which real-time response
35 designed for UP systems from which real-time response
40 bool "Make expert-level adjustments to RCU configuration"
44 expert-level adjustments to RCU configuration. By default,
45 no such adjustments can be made, which has the often-beneficial
46 side-effect of preventing "make oldconfig" from asking you all
50 Say Y if you need to make expert-level adjustments to RCU.
58 permits arbitrary sleeping or blocking within RCU read-side critical
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| /kernel/linux/linux-6.6/drivers/phy/renesas/ |
| D | phy-rcar-gen3-usb2.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Renesas R-Car Gen3 for USB2.0 PHY driver
5 * Copyright (C) 2015-2017 Renesas Electronics Corporation
7 * This is based on the phy-rcar-gen2 driver:
12 #include <linux/extcon-provider.h>
105 bool powered; member
115 struct mutex lock; /* protects rphys[...].powered */
135 * ---------------------+---------------++--------------+------------
146 if (ch->extcon_host) { in rcar_gen3_phy_usb2_work()
147 extcon_set_state_sync(ch->extcon, EXTCON_USB_HOST, true); in rcar_gen3_phy_usb2_work()
[all …]
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| /kernel/linux/linux-5.10/drivers/phy/renesas/ |
| D | phy-rcar-gen3-usb2.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Renesas R-Car Gen3 for USB2.0 PHY driver
5 * Copyright (C) 2015-2017 Renesas Electronics Corporation
7 * This is based on the phy-rcar-gen2 driver:
12 #include <linux/extcon-provider.h>
102 bool powered; member
112 struct mutex lock; /* protects rphys[...].powered */
125 * ---------------------+---------------++--------------+------------
136 if (ch->extcon_host) { in rcar_gen3_phy_usb2_work()
137 extcon_set_state_sync(ch->extcon, EXTCON_USB_HOST, true); in rcar_gen3_phy_usb2_work()
[all …]
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| /kernel/linux/linux-6.6/drivers/usb/misc/ |
| D | onboard_usb_hub_pdevs.c | 1 // SPDX-License-Identifier: GPL-2.0-only
33 * onboard_hub_create_pdevs -- create platform devices for onboard USB hubs
40 * control whether the hub remains powered during system suspend or not.
53 * platform device for each physical onboard hub, hence for root hubs the loop
69 struct usb_hcd *hcd = bus_to_hcd(parent_hub->bus); in onboard_hub_create_pdevs()
74 if (!parent_hub->dev.of_node) in onboard_hub_create_pdevs()
77 if (!parent_hub->parent && !usb_hcd_is_primary_hcd(hcd)) in onboard_hub_create_pdevs()
80 for (i = 1; i <= parent_hub->maxchild; i++) { in onboard_hub_create_pdevs()
88 npc = of_parse_phandle(np, "peer-hub", 0); in onboard_hub_create_pdevs()
99 put_device(&pdev->dev); in onboard_hub_create_pdevs()
[all …]
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| /kernel/linux/linux-6.6/kernel/rcu/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # RCU-related configuration options
11 # Dynticks-idle tracking
26 thousands of CPUs, but for which real-time response
37 designed for UP systems from which real-time response
42 bool "Make expert-level adjustments to RCU configuration"
46 expert-level adjustments to RCU configuration. By default,
47 no such adjustments can be made, which has the often-beneficial
48 side-effect of preventing "make oldconfig" from asking you all
52 Say Y if you need to make expert-level adjustments to RCU.
[all …]
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| /kernel/linux/linux-5.10/drivers/net/wireless/intel/iwlegacy/ |
| D | csr.h | 8 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
70 * low power states due to driver-invoked device resets
71 * (e.g. CSR_RESET_REG_FLAG_SW_RESET) or uCode-driven power-saving modes.
77 * The MAC (uCode processor, etc.) does not need to be powered up for accessing
86 #define CSR_INT_COALESCING (CSR_BASE+0x004) /* accum ints, 32-usec units */
100 * 31-8: Reserved
101 * 7-4: Type of device: see CSR_HW_REV_TYPE_xxx definitions
102 * 3-2: Revision step: 0 = A, 1 = B, 2 = C, 3 = D
[all …]
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| /kernel/linux/linux-6.6/drivers/net/wireless/intel/iwlegacy/ |
| D | csr.h | 8 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
70 * low power states due to driver-invoked device resets
71 * (e.g. CSR_RESET_REG_FLAG_SW_RESET) or uCode-driven power-saving modes.
77 * The MAC (uCode processor, etc.) does not need to be powered up for accessing
86 #define CSR_INT_COALESCING (CSR_BASE+0x004) /* accum ints, 32-usec units */
100 * 31-8: Reserved
101 * 7-4: Type of device: see CSR_HW_REV_TYPE_xxx definitions
102 * 3-2: Revision step: 0 = A, 1 = B, 2 = C, 3 = D
[all …]
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| /kernel/linux/linux-6.6/Documentation/power/ |
| D | suspend-and-cpuhotplug.rst | 5 (C) 2011 - 2014 Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
8 I. Differences between CPU hotplug and Suspend-to-RAM
11 How does the regular CPU hotplug code differ from how the Suspend-to-RAM
14 Well, a picture is worth a thousand words... So ASCII art follows :-)
21 What happens when regular CPU hotplug and Suspend-to-RAM race with each other
24 On a high level, the suspend-resume cycle goes like this::
26 |Freeze| -> |Disable nonboot| -> |Do suspend| -> |Enable nonboot| -> |Thaw |
33 -----------------
62 | ----------
76 frozen_cpus mask ----------
[all …]
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| /kernel/linux/linux-5.10/Documentation/power/ |
| D | suspend-and-cpuhotplug.rst | 5 (C) 2011 - 2014 Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
8 I. Differences between CPU hotplug and Suspend-to-RAM
11 How does the regular CPU hotplug code differ from how the Suspend-to-RAM
14 Well, a picture is worth a thousand words... So ASCII art follows :-)
21 What happens when regular CPU hotplug and Suspend-to-RAM race with each other
24 On a high level, the suspend-resume cycle goes like this::
26 |Freeze| -> |Disable nonboot| -> |Do suspend| -> |Enable nonboot| -> |Thaw |
33 -----------------
62 | ----------
76 frozen_cpus mask ----------
[all …]
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| /kernel/linux/linux-6.6/Documentation/timers/ |
| D | no_hz.rst | 2 NO_HZ: Reducing Scheduling-Clock Ticks
7 reduce the number of scheduling-clock interrupts, thereby improving energy
9 some types of computationally intensive high-performance computing (HPC)
10 applications and for real-time applications.
12 There are three main ways of managing scheduling-clock interrupts
13 (also known as "scheduling-clock ticks" or simply "ticks"):
15 1. Never omit scheduling-clock ticks (CONFIG_HZ_PERIODIC=y or
16 CONFIG_NO_HZ=n for older kernels). You normally will -not-
19 2. Omit scheduling-clock ticks on idle CPUs (CONFIG_NO_HZ_IDLE=y or
23 3. Omit scheduling-clock ticks on CPUs that are either idle or that
[all …]
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| /kernel/linux/linux-5.10/drivers/pci/hotplug/ |
| D | ibmphp_core.c | 1 // SPDX-License-Identifier: GPL-2.0+
7 * Copyright (C) 2001,2003 Greg Kroah-Hartman (greg@kroah.com)
8 * Copyright (C) 2001-2003 IBM Corp.
66 debug("options = %x\n", slot_cur->ctrl->options); in get_cur_bus_info()
67 debug("revision = %x\n", slot_cur->ctrl->revision); in get_cur_bus_info()
69 if (READ_BUS_STATUS(slot_cur->ctrl)) in get_cur_bus_info()
75 slot_cur->bus_on->current_speed = CURRENT_BUS_SPEED(slot_cur->busstatus); in get_cur_bus_info()
76 if (READ_BUS_MODE(slot_cur->ctrl)) in get_cur_bus_info()
77 slot_cur->bus_on->current_bus_mode = in get_cur_bus_info()
78 CURRENT_BUS_MODE(slot_cur->busstatus); in get_cur_bus_info()
[all …]
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| /kernel/linux/linux-6.6/drivers/pci/hotplug/ |
| D | ibmphp_core.c | 1 // SPDX-License-Identifier: GPL-2.0+
7 * Copyright (C) 2001,2003 Greg Kroah-Hartman (greg@kroah.com)
8 * Copyright (C) 2001-2003 IBM Corp.
58 debug("options = %x\n", slot_cur->ctrl->options); in get_cur_bus_info()
59 debug("revision = %x\n", slot_cur->ctrl->revision); in get_cur_bus_info()
61 if (READ_BUS_STATUS(slot_cur->ctrl)) in get_cur_bus_info()
67 slot_cur->bus_on->current_speed = CURRENT_BUS_SPEED(slot_cur->busstatus); in get_cur_bus_info()
68 if (READ_BUS_MODE(slot_cur->ctrl)) in get_cur_bus_info()
69 slot_cur->bus_on->current_bus_mode = in get_cur_bus_info()
70 CURRENT_BUS_MODE(slot_cur->busstatus); in get_cur_bus_info()
[all …]
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