Searched +full:reset +full:- +full:active +full:- +full:low (Results 1 – 25 of 136) sorted by relevance
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| /Documentation/devicetree/bindings/power/reset/ |
| D | gpio-restart.txt | 4 This binding supports level and edge triggered reset. At driver load
6 handler. If the optional properties 'open-source' is not found, the GPIO line
11 priority order. The gpio is configured as an output, and driven active,
12 triggering a level triggered reset condition. This will also cause an
13 inactive->active edge condition, triggering positive edge triggered
14 reset. After a delay specified by active-delay, the GPIO is set to
15 inactive, thus causing an active->inactive edge, triggering negative edge
16 triggered reset. After a delay specified by inactive-delay, the GPIO
17 is driven active again. After a delay specified by wait-delay, the
21 - compatible : should be "gpio-restart".
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| /Documentation/devicetree/bindings/reset/ |
| D | snps,dw-reset.txt | 1 Synopsys DesignWare Reset controller
4 Please also refer to reset.txt in this directory for common reset
9 - compatible: should be one of the following.
10 "snps,dw-high-reset" - for active high configuration
11 "snps,dw-low-reset" - for active low configuration
13 - reg: physical base address of the controller and length of memory mapped
16 - #reset-cells: must be 1.
20 dw_rst_1: reset-controller@0000 {
21 compatible = "snps,dw-high-reset";
23 #reset-cells = <1>;
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| /Documentation/devicetree/bindings/media/i2c/ |
| D | aptina,mt9v111.txt | 2 ----------------------------
4 The Aptina MT9V111 is a 1/4-Inch VGA-format digital image sensor with a core
7 The sensor has an active pixel array of 640x480 pixels and can output a number
8 of image resolution and formats controllable through a simple two-wires
12 --------------------
14 - compatible: shall be "aptina,mt9v111".
15 - clocks: reference to the system clock input provider.
18 --------------------
20 - enable-gpios: output enable signal, pin name "OE#". Active low.
21 - standby-gpios: low power state control signal, pin name "STANDBY".
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| D | ov7670.txt | 8 - compatible: should be "ovti,ov7670"
9 - clocks: reference to the xclk input clock.
10 - clock-names: should be "xclk".
13 - hsync-active: active state of the HSYNC signal, 0/1 for LOW/HIGH respectively.
14 - vsync-active: active state of the VSYNC signal, 0/1 for LOW/HIGH respectively.
17 - reset-gpios: reference to the GPIO connected to the resetb pin, if any.
18 Active is low.
19 - powerdown-gpios: reference to the GPIO connected to the pwdn pin, if any.
20 Active is high.
21 - ov7670,pclk-hb-disable: a boolean property to suppress pixel clock output
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| D | ov5640.txt | 1 * Omnivision OV5640 MIPI CSI-2 / parallel sensor
4 - compatible: should be "ovti,ov5640"
5 - clocks: reference to the xclk input clock.
6 - clock-names: should be "xclk".
7 - DOVDD-supply: Digital I/O voltage supply, 1.8 volts
8 - AVDD-supply: Analog voltage supply, 2.8 volts
9 - DVDD-supply: Digital core voltage supply, 1.5 volts
12 - reset-gpios: reference to the GPIO connected to the reset pin, if any.
13 This is an active low signal to the OV5640.
14 - powerdown-gpios: reference to the GPIO connected to the powerdown pin,
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| D | adv7604.txt | 12 - compatible: Must contain one of the following
13 - "adi,adv7611" for the ADV7611
14 - "adi,adv7612" for the ADV7612
16 - reg: I2C slave addresses
17 The ADV76xx has up to thirteen 256-byte maps that can be accessed via the
22 - hpd-gpios: References to the GPIOs that control the HDMI hot-plug
23 detection pins, one per HDMI input. The active flag indicates the GPIO
24 level that enables hot-plug detection.
28 Documentation/devicetree/bindings/media/video-interfaces.txt. The port nodes
32 ------------------------------------------------------------
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| D | mt9m001.txt | 1 MT9M001: 1/2-Inch Megapixel Digital Image Sensor
3 The MT9M001 is an SXGA-format with a 1/2-inch CMOS active-pixel digital
8 - compatible: shall be "onnn,mt9m001".
9 - clocks: reference to the master clock into sensor
13 - reset-gpios: GPIO handle which is connected to the reset pin of the chip.
14 Active low.
15 - standby-gpios: GPIO handle which is connected to the standby pin of the chip.
16 Active high.
19 sub-node for its digital output video port, in accordance with the video
21 Documentation/devicetree/bindings/media/video-interfaces.txt
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| D | st,st-mipid02.txt | 1 STMicroelectronics MIPID02 CSI-2 to PARALLEL bridge
3 MIPID02 has two CSI-2 input ports, only one of those ports can be active at a
4 time. Active port input stream will be de-serialized and its content outputted
6 CSI-2 first input port is a dual lane 800Mbps per lane whereas CSI-2 second
11 YUV420 8-bit, YUV422 8-bit and YUV420 10-bit.
14 - compatible: shall be "st,st-mipid02"
15 - clocks: reference to the xclk input clock.
16 - clock-names: shall be "xclk".
17 - VDDE-supply: sensor digital IO supply. Must be 1.8 volts.
18 - VDDIN-supply: sensor internal regulator supply. Must be 1.8 volts.
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| D | ov5645.txt | 1 * Omnivision 1/4-Inch 5Mp CMOS Digital Image Sensor
3 The Omnivision OV5645 is a 1/4-Inch CMOS active pixel digital image sensor with
4 an active array size of 2592H x 1944V. It is programmable through a serial I2C
8 - compatible: Value should be "ovti,ov5645".
9 - clocks: Reference to the xclk clock.
10 - clock-names: Should be "xclk".
11 - clock-frequency: Frequency of the xclk clock.
12 - enable-gpios: Chip enable GPIO. Polarity is GPIO_ACTIVE_HIGH. This corresponds
13 to the hardware pin PWDNB which is physically active low.
14 - reset-gpios: Chip reset GPIO. Polarity is GPIO_ACTIVE_LOW. This corresponds to
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| D | ov2659.txt | 1 * OV2659 1/5-Inch 2Mp SOC Camera
3 The Omnivision OV2659 is a 1/5-inch SOC camera, with an active array size of
9 - compatible: Must be "ovti,ov2659"
10 - reg: I2C slave address
11 - clocks: reference to the xvclk input clock.
12 - clock-names: should be "xvclk".
13 - link-frequencies: target pixel clock frequency.
16 - powerdown-gpios: reference to the GPIO connected to the pwdn pin, if any.
17 Active high with internal pull down resistor.
18 - reset-gpios: reference to the GPIO connected to the resetb pin, if any.
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| /Documentation/devicetree/bindings/iio/chemical/ |
| D | ams,ccs811.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Narcisa Vasile <narcisaanamaria12@gmail.com>
13 Ultra-Low Power Digital Gas Sensor for Monitoring Indoor Air Quality.
18 - ams,ccs811
22 reset-gpios:
23 description: GPIO connected to the nRESET line. This is an active low
27 wakeup-gpios:
28 description: GPIO connected to the nWAKE line. This is an active low
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| /Documentation/devicetree/bindings/net/ |
| D | rockchip-dwmac.txt | 6 - compatible: should be "rockchip,<name>-gamc"
7 "rockchip,px30-gmac": found on PX30 SoCs
8 "rockchip,rk3128-gmac": found on RK312x SoCs
9 "rockchip,rk3228-gmac": found on RK322x SoCs
10 "rockchip,rk3288-gmac": found on RK3288 SoCs
11 "rockchip,rk3328-gmac": found on RK3328 SoCs
12 "rockchip,rk3366-gmac": found on RK3366 SoCs
13 "rockchip,rk3368-gmac": found on RK3368 SoCs
14 "rockchip,rk3399-gmac": found on RK3399 SoCs
15 "rockchip,rv1108-gmac": found on RV1108 SoCs
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| D | smsc911x.txt | 1 * Smart Mixed-Signal Connectivity (SMSC) LAN911x/912x Controller
4 - compatible : Should be "smsc,lan<model>", "smsc,lan9115"
5 - reg : Address and length of the io space for SMSC LAN
6 - interrupts : one or two interrupt specifiers
7 - The first interrupt is the SMSC LAN interrupt line
8 - The second interrupt (if present) is the PME (power
11 - phy-mode : See ethernet.txt file in the same directory
14 - reg-shift : Specify the quantity to shift the register offsets by
15 - reg-io-width : Specify the size (in bytes) of the IO accesses that
18 - smsc,irq-active-high : Indicates the IRQ polarity is active-high
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| /Documentation/devicetree/bindings/input/touchscreen/ |
| D | cyttsp.txt | 4 - compatible : must be "cypress,cyttsp-i2c" or "cypress,cyttsp-spi"
5 - reg : Device I2C address or SPI chip select number
6 - spi-max-frequency : Maximum SPI clocking speed of the device (for cyttsp-spi)
7 - interrupts : (gpio) interrupt to which the chip is connected
9 - bootloader-key : the 8-byte bootloader key that is required to switch
16 - reset-gpios : the reset gpio the chip is connected to
18 - touchscreen-size-x : horizontal resolution of touchscreen (in pixels)
19 - touchscreen-size-y : vertical resolution of touchscreen (in pixels)
20 - touchscreen-fuzz-x : horizontal noise value of the absolute input device
22 - touchscreen-fuzz-y : vertical noise value of the absolute input device
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| /Documentation/devicetree/bindings/sound/ |
| D | rohm,bd28623.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
12 that can be connected to GPIOs reset and mute.
15 - Katsuhiro Suzuki <katsuhiro@katsuster.net>
21 "#sound-dai-cells":
24 VCCA-supply:
28 VCCP1-supply:
32 VCCP2-supply:
36 reset-gpios:
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| D | tlv320adcx140.yaml | 1 # SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Texas Instruments TLV320ADCX140 Quad Channel Analog-to-Digital Converter
11 - Dan Murphy <dmurphy@ti.com>
14 The TLV320ADCX140 are multichannel (4-ch analog recording or 8-ch digital
15 PDM microphones recording), high-performance audio, analog-to-digital
28 - const: ti,tlv320adc3140
29 - const: ti,tlv320adc5140
30 - const: ti,tlv320adc6140
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| D | tas571x.txt | 4 signals that can be wired up to GPIOs: reset (strongly recommended), and
9 - compatible: should be one of the following:
10 - "ti,tas5707"
11 - "ti,tas5711",
12 - "ti,tas5717",
13 - "ti,tas5719",
14 - "ti,tas5721"
15 - reg: The I2C address of the device
16 - #sound-dai-cells: must be equal to 0
20 - reset-gpios: GPIO specifier for the TAS571x's active low reset line
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| /Documentation/devicetree/bindings/interrupt-controller/ |
| D | open-pic.txt | 13 - compatible: Specifies the compatibility list for the PIC. The type
14 shall be <string> and the value shall include "open-pic".
16 - reg: Specifies the base physical address(s) and size(s) of this
17 PIC's addressable register space. The type shall be <prop-encoded-array>.
19 - interrupt-controller: The presence of this property identifies the node
22 - #interrupt-cells: Specifies the number of cells needed to encode an
25 - #address-cells: Specifies the number of cells needed to encode an
27 'interrupt-map' nodes do not have to specify a parent unit address.
31 - pic-no-reset: The presence of this property indicates that the PIC
32 shall not be reset during runtime initialization. No property value shall
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| /Documentation/devicetree/bindings/display/panel/ |
| D | panel-common.yaml | 1 # 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:
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| /Documentation/devicetree/bindings/watchdog/ |
| D | aspeed-wdt.txt | 4 - compatible: must be one of:
5 - "aspeed,ast2400-wdt"
6 - "aspeed,ast2500-wdt"
7 - "aspeed,ast2600-wdt"
9 - reg: physical base address of the controller and length of memory mapped
14 - aspeed,reset-type = "cpu|soc|system|none"
16 Reset behavior - Whenever a timeout occurs the watchdog can be programmed
21 to perform the reset.
23 If 'aspeed,reset-type=' is not specified the default is to enable system
24 reset.
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| D | gpio-wdt.txt | 1 * GPIO-controlled Watchdog
4 - compatible: Should contain "linux,wdt-gpio".
5 - gpios: From common gpio binding; gpio connection to WDT reset pin.
6 - hw_algo: The algorithm used by the driver. Should be one of the
8 - toggle: Either a high-to-low or a low-to-high transition clears
10 left floating or connected to a three-state buffer.
11 - level: Low or high level starts counting WDT timeout,
12 the opposite level disables the WDT. Active level is determined
14 - hw_margin_ms: Maximum time to reset watchdog circuit (milliseconds).
17 - always-running: If the watchdog timer cannot be disabled, add this flag to
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| /Documentation/firmware-guide/acpi/ |
| D | gpio-properties.rst | 1 .. SPDX-License-Identifier: GPL-2.0
16 // Bluetooth device with reset and shutdown GPIOs
31 ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
34 Package () {"reset-gpios", Package() {^BTH, 1, 1, 0 }},
35 Package () {"shutdown-gpios", Package() {^BTH, 0, 0, 0 }},
55 active low or high, the "active_low" argument can be used here. Setting
56 it to 1 marks the GPIO as active low.
61 In our Bluetooth example the "reset-gpios" refers to the second GpioIo()
74 Explicit x (no _DSD) as Pull Bias (Up == High, Down == Low),
75 assuming non-active (Polarity = !Pull Bias)
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| /Documentation/devicetree/bindings/display/bridge/ |
| D | ps8640.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Nicolas Boichat <drinkcat@chromium.org>
11 - Enric Balletbo i Serra <enric.balletbo@collabora.com>
14 The PS8640 is a low power MIPI-to-eDP video format converter supporting
29 powerdown-gpios:
31 description: GPIO connected to active low powerdown.
33 reset-gpios:
35 description: GPIO connected to active low reset.
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| /Documentation/devicetree/bindings/fpga/ |
| D | lattice-ice40-fpga-mgr.txt | 4 - compatible: Should contain "lattice,ice40-fpga-mgr"
5 - reg: SPI chip select
6 - spi-max-frequency: Maximum SPI frequency (>=1000000, <=25000000)
7 - cdone-gpios: GPIO input connected to CDONE pin
8 - reset-gpios: Active-low GPIO output connected to CRESET_B pin. Note
9 that unless the GPIO is held low during startup, the
16 compatible = "lattice,ice40-fpga-mgr";
18 spi-max-frequency = <1000000>;
19 cdone-gpios = <&gpio 24 GPIO_ACTIVE_HIGH>;
20 reset-gpios = <&gpio 22 GPIO_ACTIVE_LOW>;
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| /Documentation/devicetree/bindings/iio/proximity/ |
| D | sx9500.txt | 4 - compatible: must be "semtech,sx9500"
5 - reg: i2c address where to find the device
6 - interrupts : the sole interrupt generated by the device
8 Refer to interrupt-controller/interrupts.txt for generic
12 - reset-gpios: Reference to the GPIO connected to the device's active
13 low reset pin.
20 interrupt-parent = <&gpio2>;
22 reset-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>;
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