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/linux/Documentation/devicetree/bindings/pinctrl/
H A Dpincfg-node.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/pincfg-node.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Linus Walleij <linus.walleij@linaro.org>
21 bias-disable:
25 bias-high-impedance:
27 description: high impedance mode ("third-state", "floating")
29 bias-bus-hold:
33 bias-pull-up:
[all …]
/linux/Documentation/devicetree/bindings/mfd/
H A Dmax77620.txt1 MAX77620 Power management IC from Maxim Semiconductor.
4 -------------------
5 - compatible: Must be one of
9 - reg: I2C device address.
12 -------------------
13 - interrupts: The interrupt on the parent the controller is
15 - interrupt-controller: Marks the device node as an interrupt controller.
16 - #interrupt-cells: is <2> and their usage is compliant to the 2 cells
17 variant of <../interrupt-controller/interrupts.txt>
19 are defined at dt-bindings/mfd/max77620.h.
[all …]
/linux/Documentation/devicetree/bindings/usb/
H A Dpxa-usb.txt6 - compatible: Should be "marvell,pxa-ohci" for USB controllers
10 - "marvell,enable-port1", "marvell,enable-port2", "marvell,enable-port3"
12 - "marvell,port-mode" selects the mode of the ports:
16 - "marvell,power-sense-low" - power sense pin is low-active.
17 - "marvell,power-control-low" - power control pin is low-active.
18 - "marvell,no-oc-protection" - disable over-current protection.
19 - "marvell,oc-mode-perport" - enable per-port over-current protection.
20 - "marvell,power_on_delay" Power On to Power Good time - in ms.
25 compatible = "marvell,pxa-ohci";
28 marvell,enable-port1;
[all …]
/linux/Documentation/devicetree/bindings/iio/addac/
H A Dadi,ad74115.yaml1 # 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
[all …]
/linux/Documentation/devicetree/bindings/display/panel/
H A Dpanel-common.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/panel/panel-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
24 width-mm:
29 height-mm:
43 non-descriptive information. For instance an LCD panel in a system that
55 panel-timing:
[all …]
/linux/include/linux/ssb/
H A Dssb_regs.h1 /* SPDX-License-Identifier: GPL-2.0 */
25 #define SSB_PCIE_DMA_L32 0x00000000U /* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), low 32 …
33 #define SSB_MAX_NR_CORES ((SSB_ENUM_LIMIT - SSB_ENUM_BASE) / SSB_CORE_SIZE)
46 #define SSB_SPROMCTL_WE 0x10 /* SPROM write enable */
53 #define SSB_GPIO_OUT_ENABLE 0xB8 /* GPIO Output Enable/Disable (pcirev >= 3 only) */
92 #define SSB_INTVEC_PCI 0x00000001 /* Enable interrupts for PCI */
93 #define SSB_INTVEC_ENET0 0x00000002 /* Enable interrupts for enet 0 */
94 #define SSB_INTVEC_ILINE20 0x00000004 /* Enable interrupts for iline20 */
95 #define SSB_INTVEC_CODEC 0x00000008 /* Enable interrupts for v90 codec */
96 #define SSB_INTVEC_USB 0x00000010 /* Enable interrupts for usb */
[all …]
/linux/arch/arm64/boot/dts/qcom/
H A Dmsm8996-sony-xperia-tone.dtsi1 // SPDX-License-Identifier: BSD-3-Clause
12 #include <dt-bindings/input/input.h>
13 #include <dt-bindings/gpio/gpio.h>
14 #include <dt-bindings/leds/common.h>
15 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
16 #include <dt-bindings/pinctrl/qcom,pmic-mpp.h>
18 /delete-node/ &adsp_mem;
19 /delete-node/ &slpi_mem;
20 /delete-node/ &venus_mem;
21 /delete-node/ &gpu_mem;
[all …]
/linux/Documentation/arch/arm/pxa/
H A Dmfp.rst7 MFP stands for Multi-Function Pin, which is the pin-mux logic on PXA3xx and
15 mechanism is introduced from PXA3xx to completely move the pin-mux functions
16 out of the GPIO controller. In addition to pin-mux configurations, the MFP
17 also controls the low power state, driving strength, pull-up/down and event
21 +--------+
22 | |--(GPIO19)--+
24 | |--(GPIO...) |
25 +--------+ |
26 | +---------+
27 +--------+ +------>| |
[all …]
/linux/Documentation/admin-guide/pm/
H A Dintel-speed-select.rst1 .. SPDX-License-Identifier: GPL-2.0
9 With Intel(R) SST, one server can be configured for power and performance for a
14 - https://www.intel.com/content/www/us/en/architecture-and-technology/speed-select-technology-artic…
15 - https://builders.intel.com/docs/networkbuilders/intel-speed-select-technology-base-frequency-enha…
19 dynamically without pre-configuring via BIOS setup options. This dynamic
25 how these commands change the power and performance profile of the system under
29 intel-speed-select configuration tool
32 Most Linux distribution packages may include the "intel-speed-select" tool. If not,
38 # cd tools/power/x86/intel-speed-select/
43 ------------
[all …]
/linux/Documentation/devicetree/bindings/iio/frequency/
H A Dadi,adf4350.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <michael.hennerich@analog.com>
15 - adi,adf4350
16 - adi,adf4351
21 spi-max-frequency:
28 clock-names:
31 '#clock-cells':
34 clock-output-names:
[all …]
/linux/Documentation/devicetree/bindings/input/
H A Diqs269a.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jeff LaBundy <jeff@labundy.com>
13 - $ref: input.yaml#
16 The Azoteq IQS269A is an 8-channel capacitive touch controller that features
17 additional Hall-effect and inductive sensing capabilities.
24 - azoteq,iqs269a
25 - azoteq,iqs269a-00
26 - azoteq,iqs269a-d0
[all …]
H A Diqs626a.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jeff LaBundy <jeff@labundy.com>
13 The Azoteq IQS626A is a 14-channel capacitive touch controller that features
14 additional Hall-effect and inductive sensing capabilities.
19 - $ref: touchscreen/touchscreen.yaml#
31 "#address-cells":
34 "#size-cells":
37 azoteq,suspend-mode:
[all …]
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.
[all …]
/linux/arch/arm64/boot/dts/mediatek/
H A Dmt8195-cherry-tomato-r2.dts1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
5 /dts-v1/;
6 #include "mt8195-cherry.dtsi"
10 compatible = "google,tomato-rev2", "google,tomato", "mediatek,mt8195";
15 realtek,btndet-delay = <16>;
19 pins-low-power-hdmi-disable {
23 input-enable;
24 bias-pull-down;
27 pins-low-power-hdmi-rsel-disable {
30 input-enable;
[all …]
H A Dmt8195-cherry-tomato-r3.dts1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
5 /dts-v1/;
6 #include "mt8195-cherry.dtsi"
9 model = "Acer Tomato (rev3 - 4) board";
10 compatible = "google,tomato-rev4", "google,tomato-rev3",
16 realtek,amic-delay-ms = <250>;
20 pins-low-power-hdmi-disable {
24 input-enable;
25 bias-pull-down;
28 pins-low-power-hdmi-rsel-disable {
[all …]
/linux/drivers/clk/ti/
H A Ddpll44xx.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * OMAP4-specific DPLL control functions
20 * can supported when using the DPLL low-power mode. Frequencies are
21 * defined in OMAP4430/60 Public TRM section 3.6.3.3.2 "Enable Control,
22 * Status, and Low-Power Operation Mode".
45 mask = clk->flags & CLOCK_CLKOUTX2 ? in omap4_dpllmx_allow_gatectrl()
49 v = ti_clk_ll_ops->clk_readl(&clk->clksel_reg); in omap4_dpllmx_allow_gatectrl()
52 ti_clk_ll_ops->clk_writel(v, &clk->clksel_reg); in omap4_dpllmx_allow_gatectrl()
63 mask = clk->flags & CLOCK_CLKOUTX2 ? in omap4_dpllmx_deny_gatectrl()
67 v = ti_clk_ll_ops->clk_readl(&clk->clksel_reg); in omap4_dpllmx_deny_gatectrl()
[all …]
/linux/drivers/soc/qcom/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
15 the low-power state for resources related to the remoteproc
26 resource on a RPM-hardened platform must use this database to get
43 Say y here to enable GSBI support. The GSBI provides control
55 Say yes here to enable LLCC slice driver.
71 allocate memory from OCMEM based on performance, latency and power
84 and instances handled by the remote DSPs. This is a kernel-space
103 the ADSP firmware PDCharger module in charge of Battery and Power
124 Say yes here to support USB-C and battery status on modern Qualcomm
136 swallowing, enable sequence and link sequence IDs for the CPU
[all …]
/linux/drivers/mfd/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
44 power supply alarms (hwmon).
57 tristate "Active-semi ACT8945A"
62 Support for the ACT8945A PMIC from Active-semi. This device
63 features three step-down DC/DC converters and four low-dropout
79 sun4i-gpadc-iio and the hwmon driver iio_hwmon.
82 called sun4i-gpadc.
99 Say yes here to enable SMpro driver support for Ampere's Altra
106 tristate "ams AS3722 Power Management IC"
113 tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down
[all …]
/linux/tools/power/x86/x86_energy_perf_policy/
H A Dx86_energy_perf_policy.81 .\" This page Copyright (C) 2010 - 2015 Len Brown <len.brown@intel.com>
5 x86_energy_perf_policy \- Manage Energy vs. Performance Policy via x86 Model Specific Registers
10 .RB "scope: \-\-cpu\ cpu-list | \-\-pkg\ pkg-list"
12 .RB "cpu-list, pkg-list: # | #,# | #-# | all"
14 .RB "field: \-\-all | \-\-epb | \-\-hwp-epp | \-\-hwp-min | \-\-hwp-max | \-\-hwp-desired"
16 .RB "other: (\-\-force | \-\-hwp-enable | \-\-turbo-enable) value)"
18 .RB "value: # | default | performance | balance-performance | balance-power | power"
21 displays and updates energy-performance policy settings specific to
23 updates, no matter if the Linux cpufreq sub-system is enabled or not.
27 such as how aggressively the hardware enters and exits CPU idle states (C-states)
[all …]
/linux/drivers/media/rc/
H A Dite-cir.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
9 #define ITE_DRIVER_NAME "ite-cir"
34 /* hw-specific operation function pointers; most of these must be
40 /* enable rx */
53 /* enable tx FIFO space available interrupt */
89 /* rx low carrier frequency, in Hz, 0 means no demodulation */
98 /* duty cycle, 0-100 */
114 /* low-speed carrier frequency limits (Hz) */
118 /* high-speed carrier frequency limits (Hz) */
130 * n in RDCR produces a tolerance of +/- n * 6.25% around the center
[all …]
/linux/drivers/cpuidle/
H A DKconfig.arm1 # SPDX-License-Identifier: GPL-2.0-only
11 Select this to enable generic cpuidle driver for ARM.
13 at run-time through DT nodes. The CPUidle suspend backend is
23 Select this to enable PSCI firmware based CPUidle driver for ARM.
28 - If the idle states are described with the non-hierarchical layout,
31 - If the idle states are described with the hierarchical layout,
42 Select this to enable the PSCI based CPUidle driver to use PM domains,
54 Select this option to enable CPU idle driver for big.LITTLE based
56 define different C-states for little and big cores through the
63 Select this to enable cpuidle on Cirrus Logic CLPS711X SOCs.
[all …]
/linux/include/linux/pinctrl/
H A Dpinconf-generic.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2011 ST-Ericsson SA
6 * Written on behalf of Linaro for ST-Ericsson
24 * enum pin_config_param - possible pin configuration parameters
28 * bus to change the value by driving the bus high or low and switching to
31 * transition from say pull-up to pull-down implies that you disable
32 * pull-up in the process, this setting disables all biasing.
34 * mode, also know as "third-state" (tristate) or "high-Z" or "floating".
40 * impedance to GROUND). If the argument is != 0 pull-down is enabled,
52 * impedance to VDD). If the argument is != 0 pull-up is enabled,
[all …]
/linux/Documentation/hwmon/
H A Dltc4282.rst1 .. SPDX-License-Identifier: GPL-2.0-only
12 Addresses scanned: - I2C 0x40 - 0x5A (7-bit)
13 Addresses scanned: - I2C 0x80 - 0xB4 with a step of 2 (8-bit)
17 https://www.analog.com/media/en/technical-documentation/data-sheets/ltc4282.pdf
25 from a live backplane. Using one or more external N-channel pass transistors,
28 power, energy and fault status. The device features analog foldback current
30 drive allows high power applications to either share safe operating area across
31 parallel MOSFETs or support a 2-stage start-up that first charges the load
32 capacitance followed by enabling a low on-resistance path to the load. The
33 LTC4282 is well suited to high power applications because the precise monitoring
[all …]
/linux/drivers/power/supply/
H A Dmax8903_charger.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * max8903_charger.c - Maxim 8903 USB/Adapter Charger Driver
27 struct gpio_desc *cen; /* Charger Enable input */
28 struct gpio_desc *dok; /* DC (Adapter) Power OK output */
29 struct gpio_desc *uok; /* USB Power OK output */
32 struct gpio_desc *dcm; /* Current-Limit Mode input (1: DC, 2: USB) */
41 POWER_SUPPLY_PROP_ONLINE, /* External power source */
53 val->intval = POWER_SUPPLY_STATUS_UNKNOWN; in max8903_get_property()
54 if (data->chg) { in max8903_get_property()
55 if (gpiod_get_value(data->chg)) in max8903_get_property()
[all …]
/linux/Documentation/devicetree/bindings/power/supply/
H A Dtps65090-charger.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/tps65090-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
17 const: ti,tps65090-charger
19 ti,enable-low-current-chrg:
22 Enables charging when a low current is detected while the default logic is to stop charging.
25 - compatible
[all …]

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