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/Linux-v4.19/drivers/base/power/
Druntime.c70 delta = now - dev->power.accounting_timestamp; in update_pm_runtime_accounting()
72 dev->power.accounting_timestamp = now; in update_pm_runtime_accounting()
74 if (dev->power.disable_depth > 0) in update_pm_runtime_accounting()
77 if (dev->power.runtime_status == RPM_SUSPENDED) in update_pm_runtime_accounting()
78 dev->power.suspended_jiffies += delta; in update_pm_runtime_accounting()
80 dev->power.active_jiffies += delta; in update_pm_runtime_accounting()
86 dev->power.runtime_status = status; in __update_runtime_status()
95 if (dev->power.timer_expires > 0) { in pm_runtime_deactivate_timer()
96 del_timer(&dev->power.suspend_timer); in pm_runtime_deactivate_timer()
97 dev->power.timer_expires = 0; in pm_runtime_deactivate_timer()
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Dsysfs.c105 dev->power.runtime_auto ? ctrl_auto : ctrl_on); in control_show()
128 spin_lock_irq(&dev->power.lock); in runtime_active_time_show()
130 ret = sprintf(buf, "%i\n", jiffies_to_msecs(dev->power.active_jiffies)); in runtime_active_time_show()
131 spin_unlock_irq(&dev->power.lock); in runtime_active_time_show()
141 spin_lock_irq(&dev->power.lock); in runtime_suspended_time_show()
144 jiffies_to_msecs(dev->power.suspended_jiffies)); in runtime_suspended_time_show()
145 spin_unlock_irq(&dev->power.lock); in runtime_suspended_time_show()
156 if (dev->power.runtime_error) { in runtime_status_show()
158 } else if (dev->power.disable_depth) { in runtime_status_show()
161 switch (dev->power.runtime_status) { in runtime_status_show()
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Dqos.c58 struct dev_pm_qos *qos = dev->power.qos; in __dev_pm_qos_flags()
62 lockdep_assert_held(&dev->power.lock); in __dev_pm_qos_flags()
88 spin_lock_irqsave(&dev->power.lock, irqflags); in dev_pm_qos_flags()
90 spin_unlock_irqrestore(&dev->power.lock, irqflags); in dev_pm_qos_flags()
104 lockdep_assert_held(&dev->power.lock); in __dev_pm_qos_read_value()
118 spin_lock_irqsave(&dev->power.lock, flags); in dev_pm_qos_read_value()
120 spin_unlock_irqrestore(&dev->power.lock, flags); in dev_pm_qos_read_value()
137 struct dev_pm_qos *qos = req->dev->power.qos; in apply_constraint()
153 req->dev->power.set_latency_tolerance(req->dev, value); in apply_constraint()
208 spin_lock_irq(&dev->power.lock); in dev_pm_qos_constraints_allocate()
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Dmain.c94 dev->power.is_prepared = false; in device_pm_sleep_init()
95 dev->power.is_suspended = false; in device_pm_sleep_init()
96 dev->power.is_noirq_suspended = false; in device_pm_sleep_init()
97 dev->power.is_late_suspended = false; in device_pm_sleep_init()
98 init_completion(&dev->power.completion); in device_pm_sleep_init()
99 complete_all(&dev->power.completion); in device_pm_sleep_init()
100 dev->power.wakeup = NULL; in device_pm_sleep_init()
101 INIT_LIST_HEAD(&dev->power.entry); in device_pm_sleep_init()
130 if (dev->parent && dev->parent->power.is_prepared) in device_pm_add()
133 list_add_tail(&dev->power.entry, &dpm_list); in device_pm_add()
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/Linux-v4.19/Documentation/devicetree/bindings/soc/rockchip/
Dpower_domain.txt3 Rockchip processors include support for multiple power domains which can be
4 powered up/down by software based on different application scenes to save power.
6 Required properties for power domain controller:
8 "rockchip,px30-power-controller" - for PX30 SoCs.
9 "rockchip,rk3036-power-controller" - for RK3036 SoCs.
10 "rockchip,rk3128-power-controller" - for RK3128 SoCs.
11 "rockchip,rk3228-power-controller" - for RK3228 SoCs.
12 "rockchip,rk3288-power-controller" - for RK3288 SoCs.
13 "rockchip,rk3328-power-controller" - for RK3328 SoCs.
14 "rockchip,rk3366-power-controller" - for RK3366 SoCs.
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/Linux-v4.19/drivers/staging/nvec/
Dnvec_power.c87 struct nvec_power *power = in nvec_power_notifier() local
95 if (power->on != res->plu) { in nvec_power_notifier()
96 power->on = res->plu; in nvec_power_notifier()
109 static void get_bat_mfg_data(struct nvec_power *power) in get_bat_mfg_data() argument
116 nvec_write_async(power->nvec, buf, 2); in get_bat_mfg_data()
123 struct nvec_power *power = in nvec_power_bat_notifier() local
134 if (power->bat_present == 0) { in nvec_power_bat_notifier()
136 get_bat_mfg_data(power); in nvec_power_bat_notifier()
139 power->bat_present = 1; in nvec_power_bat_notifier()
143 power->bat_status = in nvec_power_bat_notifier()
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/Linux-v4.19/drivers/power/supply/
Daxp20x_usb_power.c59 struct axp20x_usb_power *power = devid; in axp20x_usb_power_irq() local
61 power_supply_changed(power->supply); in axp20x_usb_power_irq()
69 struct axp20x_usb_power *power = power_supply_get_drvdata(psy); in axp20x_usb_power_get_property() local
75 ret = regmap_read(power->regmap, AXP20X_VBUS_IPSOUT_MGMT, &v); in axp20x_usb_power_get_property()
83 ret = iio_read_channel_processed(power->vbus_v, in axp20x_usb_power_get_property()
96 ret = axp20x_read_variable_width(power->regmap, in axp20x_usb_power_get_property()
104 ret = regmap_read(power->regmap, AXP20X_VBUS_IPSOUT_MGMT, &v); in axp20x_usb_power_get_property()
110 if (power->axp20x_id == AXP221_ID) in axp20x_usb_power_get_property()
128 ret = iio_read_channel_processed(power->vbus_i, in axp20x_usb_power_get_property()
141 ret = axp20x_read_variable_width(power->regmap, in axp20x_usb_power_get_property()
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Dwm831x_power.c539 struct wm831x_power *power; in wm831x_power_probe() local
542 power = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_power), in wm831x_power_probe()
544 if (power == NULL) in wm831x_power_probe()
547 power->wm831x = wm831x; in wm831x_power_probe()
548 platform_set_drvdata(pdev, power); in wm831x_power_probe()
551 snprintf(power->wall_name, sizeof(power->wall_name), in wm831x_power_probe()
553 snprintf(power->battery_name, sizeof(power->wall_name), in wm831x_power_probe()
555 snprintf(power->usb_name, sizeof(power->wall_name), in wm831x_power_probe()
558 snprintf(power->wall_name, sizeof(power->wall_name), in wm831x_power_probe()
560 snprintf(power->battery_name, sizeof(power->wall_name), in wm831x_power_probe()
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Daxp20x_ac_power.c41 struct axp20x_ac_power *power = devid; in axp20x_ac_power_irq() local
43 power_supply_changed(power->supply); in axp20x_ac_power_irq()
52 struct axp20x_ac_power *power = power_supply_get_drvdata(psy); in axp20x_ac_power_get_property() local
57 ret = regmap_read(power->regmap, AXP20X_PWR_INPUT_STATUS, &reg); in axp20x_ac_power_get_property()
70 ret = regmap_read(power->regmap, AXP20X_PWR_INPUT_STATUS, &reg); in axp20x_ac_power_get_property()
78 ret = regmap_read(power->regmap, AXP20X_PWR_INPUT_STATUS, &reg); in axp20x_ac_power_get_property()
86 ret = iio_read_channel_processed(power->acin_v, &val->intval); in axp20x_ac_power_get_property()
96 ret = iio_read_channel_processed(power->acin_i, &val->intval); in axp20x_ac_power_get_property()
161 struct axp20x_ac_power *power; in axp20x_ac_power_probe() local
175 power = devm_kzalloc(&pdev->dev, sizeof(*power), GFP_KERNEL); in axp20x_ac_power_probe()
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/Linux-v4.19/Documentation/devicetree/bindings/power/
Dpower_domain.txt4 used for power gating of selected IP blocks for power saving by reduced leakage
12 #power-domain-cells property in the PM domain provider node.
17 - #power-domain-cells : Number of cells in a PM domain specifier;
19 providing multiple PM domains (e.g. power controllers), but can be any value
23 - power-domains : A phandle and PM domain specifier as defined by bindings of
24 the power controller specified by phandle.
25 Some power domains might be powered from another power domain (or have
29 specified by this binding. More details about power domain specifier are
33 generic domain power state. The idle state definitions are
43 - operating-points-v2 : Phandles to the OPP tables of power domains provided by
[all …]
Dpd-samsung.txt3 Exynos processors include support for multiple power domains which are used
4 to gate power to one or more peripherals on the processor.
8 * samsung,exynos4210-pd - for exynos4210 type power domain.
9 * samsung,exynos5433-pd - for exynos5433 type power domain.
12 - #power-domain-cells: number of cells in power domain specifier;
18 - power-domains: phandle pointing to the parent power domain, for more details
19 see Documentation/devicetree/bindings/power/power_domain.txt
25 Node of a device using power domains must have a power-domains property
26 defined with a phandle to respective power domain.
30 lcd0: power-domain-lcd0 {
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Dfsl,imx-gpcv2.txt5 Control (PGC) for various power domains.
16 Power domains contained within GPC node are generic power domain
18 Documentation/devicetree/bindings/power/power_domain.txt, which are
19 described as subnodes of the power gating controller 'pgc' node,
25 include/dt-bindings/power/imx7-power.h
27 - #power-domain-cells: Should be 0
31 - power-supply: Power supply used to power the domain
47 pgc_pcie_phy: power-domain@1 {
48 #power-domain-cells = <0>;
51 power-supply = <&reg_1p0d>;
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Dfsl,imx-gpc.txt21 The power domains are generic power domain providers as documented in
22 Documentation/devicetree/bindings/power/power_domain.txt. They are described as
23 subnodes of the power gating controller 'pgc' node of the GPC and should
27 - reg: Must contain the DOMAIN_INDEX of this power domain
36 - #power-domain-cells: Should be 0
40 power-up sequencing to ensure reset propagation into devices located inside
41 this power domain
42 - power-supply: a phandle to the regulator powering this domain
58 power-domain@0 {
60 #power-domain-cells = <0>;
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/Linux-v4.19/Documentation/devicetree/bindings/soc/mediatek/
Dscpsys.txt4 The System Control Processor System (SCPSYS) has several power management
7 The System Power Manager (SPM) inside the SCPSYS is for the MTCMOS power
11 power/power_domain.txt. It provides the power domains defined in
12 - include/dt-bindings/power/mt8173-power.h
13 - include/dt-bindings/power/mt6797-power.h
14 - include/dt-bindings/power/mt2701-power.h
15 - include/dt-bindings/power/mt2712-power.h
16 - include/dt-bindings/power/mt7622-power.h
27 - #power-domain-cells: Must be 1
32 enabled before enabling certain power domains.
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/Linux-v4.19/arch/arm/boot/dts/
Dbcm2835-rpi.dtsi1 #include <dt-bindings/power/raspberrypi-power.h>
27 power: power { label
28 compatible = "raspberrypi,bcm2835-power";
30 #power-domain-cells = <1>;
87 power-domains = <&power RPI_POWER_DOMAIN_USB>;
91 power-domains = <&power RPI_POWER_DOMAIN_V3D>;
95 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
100 power-domains = <&power RPI_POWER_DOMAIN_VEC>;
105 power-domains = <&power RPI_POWER_DOMAIN_DSI0>;
109 power-domains = <&power RPI_POWER_DOMAIN_DSI1>;
/Linux-v4.19/Documentation/devicetree/bindings/soc/bcm/
Draspberrypi,bcm2835-power.txt1 Raspberry Pi power domain driver
5 - compatible: Should be "raspberrypi,bcm2835-power".
7 - #power-domain-cells: Should be <1>, we providing multiple power domains.
9 The valid defines for power domain are:
37 power: power {
38 compatible = "raspberrypi,bcm2835-power";
40 #power-domain-cells = <1>;
43 Example for using power domain:
46 power-domains = <&power RPI_POWER_DOMAIN_USB>;
/Linux-v4.19/arch/powerpc/boot/dts/fsl/
De6500_power_isa.dtsi37 power-isa-version = "2.06";
38 power-isa-b; // Base
39 power-isa-e; // Embedded
40 power-isa-atb; // Alternate Time Base
41 power-isa-cs; // Cache Specification
42 power-isa-ds; // Decorated Storage
43 power-isa-e.ed; // Embedded.Enhanced Debug
44 power-isa-e.pd; // Embedded.External PID
45 power-isa-e.hv; // Embedded.Hypervisor
46 power-isa-e.le; // Embedded.Little-Endian
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De5500_power_isa.dtsi37 power-isa-version = "2.06";
38 power-isa-b; // Base
39 power-isa-e; // Embedded
40 power-isa-atb; // Alternate Time Base
41 power-isa-cs; // Cache Specification
42 power-isa-ds; // Decorated Storage
43 power-isa-e.ed; // Embedded.Enhanced Debug
44 power-isa-e.pd; // Embedded.External PID
45 power-isa-e.hv; // Embedded.Hypervisor
46 power-isa-e.le; // Embedded.Little-Endian
[all …]
De500mc_power_isa.dtsi37 power-isa-version = "2.06";
38 power-isa-b; // Base
39 power-isa-e; // Embedded
40 power-isa-atb; // Alternate Time Base
41 power-isa-cs; // Cache Specification
42 power-isa-ds; // Decorated Storage
43 power-isa-e.ed; // Embedded.Enhanced Debug
44 power-isa-e.pd; // Embedded.External PID
45 power-isa-e.hv; // Embedded.Hypervisor
46 power-isa-e.le; // Embedded.Little-Endian
[all …]
/Linux-v4.19/Documentation/ABI/testing/
Dsysfs-class-powercap6 The powercap/ class sub directory belongs to the power cap
8 Documentation/power/powercap/powercap.txt for details.
16 Here <control type> determines how the power is going to be
17 controlled. A <control type> can contain multiple power zones.
24 This allows to enable/disable power capping for a "control type".
25 This status affects every power zone using this "control_type.
27 What: /sys/class/powercap/<control type>/<power zone>
32 A power zone is a single or a collection of devices, which can
33 be independently monitored and controlled. A power zone sysfs
37 What: /sys/class/powercap/<control type>/<power zone>/<child power zone>
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/Linux-v4.19/drivers/usb/musb/
Dmusb_virthub.c25 u8 power; in musb_host_finish_resume() local
31 power = musb_readb(musb->mregs, MUSB_POWER); in musb_host_finish_resume()
32 power &= ~MUSB_POWER_RESUME; in musb_host_finish_resume()
33 musb_dbg(musb, "root port resume stopped, power %02x", power); in musb_host_finish_resume()
34 musb_writeb(musb->mregs, MUSB_POWER, power); in musb_host_finish_resume()
54 u8 power; in musb_port_suspend() local
65 power = musb_readb(mbase, MUSB_POWER); in musb_port_suspend()
69 if (power & MUSB_POWER_RESUME) in musb_port_suspend()
72 if (!(power & MUSB_POWER_SUSPENDM)) { in musb_port_suspend()
73 power |= MUSB_POWER_SUSPENDM; in musb_port_suspend()
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/Linux-v4.19/Documentation/devicetree/bindings/mfd/
Dtwl4030-power.txt1 Texas Instruments TWL family (twl4030) reset and power management module
3 The power management module inside the TWL family provides several facilities
4 to control the power resources, including power scripts. For now, the
9 "ti,twl4030-power"
10 "ti,twl4030-power-reset"
11 "ti,twl4030-power-idle"
12 "ti,twl4030-power-idle-osc-off"
14 The use of ti,twl4030-power-reset is recommended at least on
17 When using ti,twl4030-power-idle, the TI recommended configuration
20 When using ti,twl4030-power-idle-osc-off, the TI recommended
[all …]
/Linux-v4.19/Documentation/power/powercap/
Dpowercap.txt4 The power capping framework provides a consistent interface between the kernel
5 and the user space that allows power capping drivers to expose the settings to
10 The framework exposes power capping devices to user space via sysfs in the
12 'control types', which correspond to different methods of power capping. For
15 corresponds to the use of idle injection for controlling power.
18 monitored using the power capping method determined by the control type the
19 given zone belongs to. They each contain attributes for monitoring power, as
20 well as controls represented in the form of power constraints. If the parts of
21 the system represented by different power zones are hierarchical (that is, one
22 bigger part consists of multiple smaller parts that each have their own power
[all …]
/Linux-v4.19/drivers/staging/vt6656/
Drf.c612 u8 power = priv->cck_pwr; in vnt_rf_setpower() local
625 power = priv->cck_pwr_tbl[channel]; in vnt_rf_setpower()
636 power = priv->ofdm_a_pwr_tbl[channel - 15]; in vnt_rf_setpower()
638 power = priv->ofdm_pwr_tbl[channel - 1]; in vnt_rf_setpower()
642 return vnt_rf_set_txpower(priv, power, rate); in vnt_rf_setpower()
672 int vnt_rf_set_txpower(struct vnt_private *priv, u8 power, u32 rate) in vnt_rf_set_txpower() argument
677 power += vnt_rf_addpower(priv); in vnt_rf_set_txpower()
678 if (power > VNT_RF_MAX_POWER) in vnt_rf_set_txpower()
679 power = VNT_RF_MAX_POWER; in vnt_rf_set_txpower()
681 if (priv->power == power) in vnt_rf_set_txpower()
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/Linux-v4.19/Documentation/hwmon/
Dacpi_power_meter4 This driver talks to ACPI 4.0 power meters.
16 This driver implements sensor reading support for the power meters exposed in
18 features--a power meter that returns average power use over a configurable
26 The power[1-*]_is_battery knob indicates if the power supply is a battery.
27 Both power[1-*]_average_{min,max} must be set before the trip points will work.
30 power[1-*]_average sysfs file.
32 The power[1-*]_{model_number, serial_number, oem_info} fields display arbitrary
36 Some computers have the ability to enforce a power cap in hardware. If this is
37 the case, the power[1-*]_cap and related sysfs files will appear. When the
38 average power consumption exceeds the cap, an ACPI event will be broadcast on
[all …]

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