| /linux/drivers/base/power/ |
| H A D | wakeirq.c | 1 // SPDX-License-Identifier: GPL-2.0
5 #include <linux/irq.h>
13 * dev_pm_attach_wake_irq - Attach device interrupt as a wake IRQ
15 * @wirq: Wake irq specific data
17 * Internal function to attach a dedicated wake-up interrupt as a wake IRQ.
24 return -EINVAL; in dev_pm_attach_wake_irq()
26 spin_lock_irqsave(&dev->power.lock, flags); in dev_pm_attach_wake_irq()
27 if (dev_WARN_ONCE(dev, dev->power.wakeirq, in dev_pm_attach_wake_irq()
28 "wake irq already initialized\n")) { in dev_pm_attach_wake_irq()
29 spin_unlock_irqrestore(&dev->power.lock, flags); in dev_pm_attach_wake_irq()
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| /linux/include/linux/ |
| H A D | lis3lv02d.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
6 * struct lis3lv02d_platform_data - lis3 chip family platform data
14 * @irq_cfg: On chip irq source and type configuration (click /
15 * data available / wake up, open drain, polarity)
16 * @irq_flags1: Additional irq triggering flags for irq channel 0
17 * @irq_flags2: Additional irq triggering flags for irq channel 1
18 * @duration1: Wake up unit 1 duration parameter
19 * @duration2: Wake up unit 2 duration parameter
20 * @wakeup_flags: Wake up unit 1 flags
21 * @wakeup_thresh: Wake up unit 1 threshold value
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| /linux/Documentation/devicetree/bindings/input/ |
| H A D | gpio-keys.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/input/gpio-keys.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <robh@kernel.org>
15 - gpio-keys
16 - gpio-keys-polled
23 poll-interval: true
26 …"^(button|event|key|switch|(button|event|key|switch)-[a-z0-9-]+|[a-z0-9-]+-(button|event|key|switc…
35 - items:
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| H A D | atmel,maxtouch.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Nick Dyer <nick@shmanahar.org>
11 - Linus Walleij <linus.walleij@linaro.org>
18 - $ref: input.yaml#
30 vdda-supply:
34 vdd-supply:
38 reset-gpios:
45 wake-gpios:
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| /linux/drivers/phy/motorola/ |
| H A D | phy-mapphone-mdm6600.c | 1 // SPDX-License-Identifier: GPL-2.0
35 PHY_MDM6600_MODE0, /* out USB mode0 and OOB wake */
36 PHY_MDM6600_MODE1, /* out USB mode1, in OOB wake */
111 struct gpio_desc *enable_gpio = ddata->ctrl_gpios[PHY_MDM6600_ENABLE]; in phy_mdm6600_init()
113 if (!ddata->enabled) in phy_mdm6600_init()
114 return -EPROBE_DEFER; in phy_mdm6600_init()
124 struct gpio_desc *enable_gpio = ddata->ctrl_gpios[PHY_MDM6600_ENABLE]; in phy_mdm6600_power_on()
126 if (!ddata->enabled) in phy_mdm6600_power_on()
127 return -ENODEV; in phy_mdm6600_power_on()
132 if (pm_runtime_enabled(&x->dev)) in phy_mdm6600_power_on()
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| /linux/Documentation/power/ |
| H A D | suspend-and-interrupts.rst | 10 -----------------------------------
14 ->prepare, ->suspend and ->suspend_late callbacks have been executed for all
29 Device IRQs are re-enabled during system resume, right before the "early" phase
30 of resuming devices (that is, before starting to execute ->resume_early
35 ------------------------
37 There are interrupts that can legitimately trigger during the entire system
38 suspend-resume cycle, including the "noirq" phases of suspending and resuming
41 but also to IPIs and to some other special-purpose interrupts.
43 The IRQF_NO_SUSPEND flag is used to indicate that to the IRQ subsystem when
44 requesting a special-purpose interrupt. It causes suspend_device_irqs() to
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| /linux/drivers/soc/qcom/ |
| H A D | rpmh-rsc.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
4 * Copyright (c) 2023-2024, Qualcomm Innovation Center, Inc. All rights reserved.
31 #include <soc/qcom/cmd-db.h>
33 #include <dt-bindings/soc/qcom,rpmh-rsc.h>
35 #include "rpmh-internal.h"
38 #include "trace-rpmh.h"
99 * - The main rpmh-rsc address is the base of a register space that can
101 * (DRV_PRNT_CHLD_CONFIG). Also found within the rpmh-rsc register
103 * specified in the device tree by "qcom,tcs-offset" and used to
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| /linux/drivers/gpu/drm/ |
| H A D | drm_vblank_work.c | 1 // SPDX-License-Identifier: MIT
15 * Many DRM drivers need to program hardware in a time-sensitive manner, many
18 * simply do said time-sensitive programming in the driver's IRQ handler,
21 * time-critical programming independently of the CPU.
24 * doesn't need to be concerned with extremely time-sensitive programming,
25 * there's a few situations where it can't be helped. Some unforgiving
26 * hardware may require that certain time-sensitive programming be handled
28 * handle in an IRQ handler. Another such situation would be where the driver
30 * period, but might possibly block and thus cannot be handled in an IRQ
31 * context. Both of these situations can't be solved perfectly in Linux since
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| /linux/drivers/soc/xilinx/ |
| H A D | xlnx_event_manager.c | 1 // SPDX-License-Identifier: GPL-2.0
12 #include <linux/firmware/xlnx-event-manager.h>
13 #include <linux/firmware/xlnx-zynqmp.h>
16 #include <linux/irq.h>
26 static int event_manager_availability = -EACCES;
31 /* Max number of driver can register for same event */
47 * struct agent_cb - Registered callback function and private data.
59 * struct registered_event_data - Registered Event Data.
60 * @key: key is the combine id(Node-Id | Event-Id) of type u64
61 * where upper u32 for Node-Id and lower u32 for Event-Id,
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| /linux/drivers/gpio/ |
| H A D | gpio-nomadik.c | 1 // SPDX-License-Identifier: GPL-2.0-only
4 * managing 32 pins with alternate functions. It can also handle the STA2X11
7 * The GPIO chips are shared with pinctrl-nomadik if used; it needs access for
10 * This driver also handles the mobileye,eyeq5-gpio compatible. It is an STA2X11
13 * wake and alternate function registers. It is NOT compatible with
14 * pinctrl-nomadik.
19 * Copyright (C) 2011-2013 Linus Walleij <linus.walleij@linaro.org>
35 #include <linux/gpio/gpio-nomadik.h>
47 if (WARN_ON(nmk_chip->is_mobileye_soc)) in __nmk_gpio_set_slpm()
50 slpm = readl(nmk_chip->addr + NMK_GPIO_SLPC); in __nmk_gpio_set_slpm()
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| H A D | gpio-brcmstb.c | 1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (C) 2015-2017 Broadcom
60 #define GPIO_BIT(gpio) ((gpio) & (MAX_GPIO_PER_BANK - 1))
66 return bank->parent_priv; in brcmstb_gpio_gc_to_priv()
72 void __iomem *reg_base = bank->parent_priv->reg_base; in __brcmstb_gpio_get_active_irqs()
74 return bank->gc.read_reg(reg_base + GIO_STAT(bank->id)) & in __brcmstb_gpio_get_active_irqs()
75 bank->gc.read_reg(reg_base + GIO_MASK(bank->id)); in __brcmstb_gpio_get_active_irqs()
84 raw_spin_lock_irqsave(&bank->gc.bgpio_lock, flags); in brcmstb_gpio_get_active_irqs()
86 raw_spin_unlock_irqrestore(&bank->gc.bgpio_lock, flags); in brcmstb_gpio_get_active_irqs()
94 return hwirq - bank->gc.offset; in brcmstb_gpio_hwirq_to_offset()
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| /linux/Documentation/devicetree/bindings/net/ |
| H A D | btusb.txt | 2 ---------------------------------------------------
6 - compatible : should comply with the format "usbVID,PID" specified in
7 Documentation/devicetree/bindings/usb/usb-device.yaml
13 "usb4ca,301a" (Qualcomm QCA6174A (Lite-On))
17 Documentation/devicetree/bindings/net/marvell-bt-8xxx.txt
21 - interrupt-names: (see below)
22 - interrupts : The interrupt specified by the name "wakeup" is the interrupt
23 that shall be used for out-of-band wake-on-bt. Driver will
25 irq will be enabled so that the bluetooth chip can wakeup host
26 platform out of band. During system resume, the irq will be
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| H A D | smsc,lan9115.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Smart Mixed-Signal Connectivity (SMSC) LAN911x/912x Controller
10 - Shawn Guo <shawnguo@kernel.org>
13 - $ref: ethernet-controller.yaml#
18 - const: smsc,lan9115
19 - items:
20 - enum:
21 - smsc,lan89218
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| /linux/drivers/net/ethernet/apple/ |
| H A D | mace.c | 1 // SPDX-License-Identifier: GPL-2.0-only
29 static int port_aaui = -1;
85 static irqreturn_t mace_interrupt(int irq, void *dev_id);
86 static irqreturn_t mace_txdma_intr(int irq, void *dev_id);
87 static irqreturn_t mace_rxdma_intr(int irq, void *dev_id);
95 * If we can't get a skbuff when we need it, we use this area for DMA.
115 int j, rev, rc = -EBUSY; in mace_probe()
118 printk(KERN_ERR "can't use MACE %pOF: need 3 addrs and 3 irqs\n", in mace_probe()
120 return -ENODEV; in mace_probe()
123 addr = of_get_property(mace, "mac-address", NULL); in mace_probe()
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| /linux/drivers/extcon/ |
| H A D | extcon-axp288.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * extcon-axp288.c - X-Power AXP288 PMIC extcon cable detection driver
5 * Copyright (c) 2017-2018 Hans de Goede <hdegoede@redhat.com>
19 #include <linux/extcon-provider.h>
26 #include <asm/intel-family.h>
102 int irq[EXTCON_IRQ_END]; member
117 "Last wake caused by user pressing the power button",
118 "Last wake caused by a charger insertion",
119 "Last wake caused by a battery insertion",
120 "Last wake caused by SOC initiated global reset",
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| /linux/drivers/char/tpm/ |
| H A D | tpm_tis_spi_cr50.c | 1 // SPDX-License-Identifier: GPL-2.0
23 * - can go to sleep not earlier than after CR50_SLEEP_DELAY_MSEC.
24 * - needs up to CR50_WAKE_START_DELAY_USEC to wake after sleep.
25 * - requires waiting for "ready" IRQ, if supported; or waiting for at least
26 * CR50_NOIRQ_ACCESS_DELAY_MSEC between transactions, if IRQ is not supported.
27 * - waits for up to CR50_FLOW_CONTROL for flow control 'ready' indication.
69 cr50_phy->irq_confirmed = true; in cr50_spi_irq_handler()
70 complete(&cr50_phy->spi_phy.ready); in cr50_spi_irq_handler()
81 unsigned long allowed_access = phy->last_access + phy->access_delay; in cr50_ensure_access_delay()
83 struct device *dev = &phy->spi_phy.spi_device->dev; in cr50_ensure_access_delay()
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| /linux/drivers/input/touchscreen/ |
| H A D | egalax_ts.c | 1 // SPDX-License-Identifier: GPL-2.0
14 - auto idle mode support
22 #include <linux/irq.h>
31 * which can only report one point at a given time.
64 static irqreturn_t egalax_ts_interrupt(int irq, void *dev_id) in egalax_ts_interrupt() argument
67 struct input_dev *input_dev = ts->input_dev; in egalax_ts_interrupt()
68 struct i2c_client *client = ts->client; in egalax_ts_interrupt()
77 } while (ret == -EAGAIN && tries++ < EGALAX_MAX_TRIES); in egalax_ts_interrupt()
97 dev_dbg(&client->dev, "point invalid\n"); in egalax_ts_interrupt()
104 dev_dbg(&client->dev, "%s id:%d x:%d y:%d z:%d", in egalax_ts_interrupt()
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| /linux/Documentation/devicetree/bindings/iio/accel/ |
| H A D | lis302.txt | 8 - compatible: should be set to "st,lis3lv02d-spi"
9 - reg: the chipselect index
10 - spi-max-frequency: maximal bus speed, should be set to 1000000 unless
12 - interrupts: the interrupt generated by the device
15 - compatible: should be set to "st,lis3lv02d"
16 - reg: i2c slave address
17 - Vdd-supply: The input supply for Vdd
18 - Vdd_IO-supply: The input supply for Vdd_IO
23 - st,click-single-{x,y,z}: if present, tells the device to issue an
26 - st,click-double-{x,y,z}: if present, tells the device to issue an
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| /linux/Documentation/devicetree/bindings/rtc/ |
| H A D | isil,isl12057.txt | 8 ("wakeup-source") to handle the specific use-case found
9 on at least three in-tree users of the chip (NETGEAR ReadyNAS 102, 104
10 and 2120 ARM-based NAS); On those devices, the IRQ#2 pin of the chip
14 get access to the 'wakealarm' sysfs entry, this specific property can
15 be set when the IRQ#2 pin of the chip is not connected to the SoC but
16 can wake up the device.
20 - "compatible": must be "isil,isl12057"
21 - "reg": I2C bus address of the device
25 - "wakeup-source": mark the chip as a wakeup source, independently of
26 the availability of an IRQ line connected to the SoC.
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| /linux/arch/arm/mach-omap2/ |
| H A D | prm3xxx.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2010-2012 Texas Instruments, Inc.
16 #include <linux/irq.h>
26 #include "prm-regbits-34xx.h"
28 #include "cm-regbits-34xx.h"
48 .irq = 11 + OMAP_INTC_START,
57 * omap3_prm_reset_src_map - map from bits in the PRM_RSTST hardware
59 * bit shifts (which is an OMAP SoC-independent enumeration)
74 { -1, -1 },
80 * struct omap3_vp - OMAP3 VP register access description.
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| /linux/Documentation/devicetree/bindings/net/wireless/ |
| H A D | brcm,bcm4329-fmac.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/wireless/brcm,bcm4329-fmac.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Arend van Spriel <arend@broadcom.com>
19 - $ref: ieee80211.yaml#
24 - items:
25 - enum:
26 - brcm,bcm43143-fmac
27 - brcm,bcm4341b0-fmac
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| /linux/kernel/irq/ |
| H A D | handle.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 1992, 1998-2006 Linus Torvalds, Ingo Molnar
4 * Copyright (C) 2005-2006, Thomas Gleixner, Russell King
7 * information is available in Documentation/core-api/genericirq.rst
11 #include <linux/irq.h>
19 #include <trace/events/irq.h>
28 * handle_bad_irq - handle spurious and unhandled irqs
31 * Handles spurious and unhandled IRQ's. It also prints a debugmessage.
35 unsigned int irq = irq_desc_get_irq(desc); in handle_bad_irq() local
37 print_irq_desc(irq, desc); in handle_bad_irq()
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| /linux/drivers/mfd/ |
| H A D | wm831x-irq.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * wm831x-irq.c -- Interrupt controller support for Wolfson WM831x PMICs
13 #include <linux/irq.h>
21 #include <linux/mfd/wm831x/irq.h>
321 return WM831X_INTERRUPT_STATUS_1 - 1 + irq_data->reg; in irq_data_to_status_reg()
325 int irq) in irq_to_wm831x_irq() argument
327 return &wm831x_irqs[irq]; in irq_to_wm831x_irq()
334 mutex_lock(&wm831x->irq_lock); in wm831x_irq_lock()
342 for (i = 0; i < ARRAY_SIZE(wm831x->gpio_update); i++) { in wm831x_irq_sync_unlock()
343 if (wm831x->gpio_update[i]) { in wm831x_irq_sync_unlock()
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| /linux/sound/ppc/ |
| H A D | pmac.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
11 #include <asm/irq.h>
17 #include <linux/dma-mapping.h>
54 rec->space = dma_alloc_coherent(&chip->pdev->dev, rsize, in snd_pmac_dbdma_alloc()
55 &rec->dma_base, GFP_KERNEL); in snd_pmac_dbdma_alloc()
56 if (rec->space == NULL) in snd_pmac_dbdma_alloc()
57 return -ENOMEM; in snd_pmac_dbdma_alloc()
58 rec->size = size; in snd_pmac_dbdma_alloc()
59 memset(rec->space, 0, rsize); in snd_pmac_dbdma_alloc()
60 rec->cmds = (void __iomem *)DBDMA_ALIGN(rec->space); in snd_pmac_dbdma_alloc()
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| /linux/drivers/net/wwan/iosm/ |
| H A D | iosm_ipc_pm.h | 1 /* SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2020-21 Intel Corporation.
18 * union ipc_pm_cond - Conditions for D3 and the sleep message to CP.
20 * @irq: IRQ towards CP
28 unsigned int irq:1, member
35 * enum ipc_mem_host_pm_state - Possible states of the HOST SLEEP finite state
59 * enum ipc_mem_dev_pm_state - Possible states of the DEVICE SLEEP finite state
63 * IRQ(struct ipc_mem_device_info:
65 * and DOORBELL-IRQ-HPDA(data) values.
68 * @IPC_MEM_DEV_PM_WAKEUP: DOORBELL-IRQ-DEVICE_WAKE(data).
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