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/Documentation/devicetree/bindings/regulator/
Dpwm-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/pwm-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Generic PWM Regulator
10 - Brian Norris <briannorris@chromium.org>
11 - Lee Jones <lee@kernel.org>
12 - Alexandre Courbot <acourbot@nvidia.com>
19 duty-cycle values must be provided via DT. Limitations are that the
20 regulator can only operate at the voltages supplied in the table.
[all …]
Dtps51632-regulator.txt4 - compatible: Must be "ti,tps51632"
5 - reg: I2C slave address
8 - ti,enable-pwm-dvfs: Enable the DVFS voltage control through the PWM interface.
9 - ti,dvfs-step-20mV: The 20mV step voltage when PWM DVFS enabled. Missing this
10 will set 10mV step voltage in PWM DVFS mode. In normal mode, the voltage
13 Any property defined as part of the core regulator binding, defined in
14 regulator.txt, can also be used.
21 regulator-name = "tps51632-vout";
22 regulator-min-microvolt = <500000>;
23 regulator-max-microvolt = <1500000>;
[all …]
Drichtek,rt4803.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/regulator/richtek,rt4803.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Richtek RT4803 Boost Regulator
10 - ChiYuan Huang <cy_huang@richtek.com>
13 RT4803 is a boost regulator that's designed to provide the minimum output
20 https://www.richtek.com/assets/product_file/RT4803/DS4803-03.pdf
21 https://www.richtek.com/assets/product_file/RT4803A/DS4803A-06.pdf
24 - $ref: regulator.yaml#
[all …]
Drichtek,rt5739.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/regulator/richtek,rt5739.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Richtek RT5739 Step-Down Buck Converter
10 - ChiYuan Huang <cy_huang@richtek.com>
13 The RT5739 is a step-down switching buck converter that can deliver the
19 - $ref: regulator.yaml#
24 - richtek,rt5733
25 - richtek,rt5739
[all …]
Dti,tps62870.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/regulator/ti,tps62870.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: TI TPS62870/TPS62871/TPS62872/TPS62873 voltage regulator
10 - Mårten Lindahl <marten.lindahl@axis.com>
13 - $ref: regulator.yaml#
18 - ti,tps62870
19 - ti,tps62871
20 - ti,tps62872
[all …]
Drichtek,rt5759-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/regulator/richtek,rt5759-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - ChiYuan Huang <cy_huang@richtek.com>
13 The RT5759 is a high-performance, synchronous step-down DC-DC converter that
15 voltage can be programmable with I2C controlled 7-Bit VID.
18 https://www.richtek.com/assets/product_file/RT5759/DS5759-00.pdf
23 - richtek,rt5759
24 - richtek,rt5759a
[all …]
Dmediatek,mt6358-regulator.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/regulator/mediatek,mt6358-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MediaTek MT6358 Regulator
10 - Zhiyong Tao <zhiyong.tao@mediatek.com>
13 Regulator node of the PMIC. This node should under the PMIC's device node.
14 All voltage regulators provided by the PMIC are described as sub-nodes of
20 - const: mediatek,mt6358-regulator
21 - items:
[all …]
/Documentation/hwmon/
Dpwm-fan.rst1 Kernel driver pwm-fan
4 This driver enables the use of a PWM module to drive a fan. It uses the
5 generic PWM interface thus it is hardware independent. It can be used on
6 many SoCs, as long as the SoC supplies a PWM line driver that exposes
7 the generic PWM API.
12 -----------
15 a PWM output. It uses the generic PWM interface, thus it can be used with
27 0 -> disable pwm and regulator
28 1 -> enable pwm; if pwm==0, disable pwm, keep regulator enabled
29 2 -> enable pwm; if pwm==0, keep pwm and regulator enabled
[all …]
Damc6821.rst19 -----------
22 The chip has one on-chip and one remote temperature sensor and one pwm fan
23 regulator.
24 The pwm can be controlled either from software or automatically.
29 temp1_input ro on-chip temperature
55 pwm1_enable rw regulator mode, 1=open loop, 2=fan controlled
57 combination of the on-chip temperature and
58 remote-sensor temperature,
61 pwm1_mode rw Fan duty control mode (0=DC, 1=PWM)
72 temp1_auto_point2_temp rw The low-temperature limit of the proportional
[all …]
Dmax31790.rst10 Addresses scanned: -
18 -----------
23 PWM outputs. The desired fan speeds (or PWM duty cycles) are written
24 through the I2C interface. The outputs drive "4-wire" fans directly,
28 Tachometer inputs monitor fan tachometer logic outputs for precise (+/-1%)
30 Six pins are dedicated tachometer inputs. Any of the six PWM outputs can
35 -------------
38 fan[1-12]_input RO fan tachometer speed in RPM
39 fan[1-12]_fault RO fan experienced fault
40 fan[1-6]_target RW desired fan speed in RPM
[all …]
/Documentation/devicetree/bindings/clock/
Dnvidia,tegra124-dfll.txt4 Documentation/devicetree/bindings/clock/clock-bindings.txt
7 the fast CPU cluster. It consists of a free-running voltage controlled
10 communicating with an off-chip PMIC either via an I2C bus or via PWM signals.
13 - compatible : should be one of:
14 - "nvidia,tegra124-dfll": for Tegra124
15 - "nvidia,tegra210-dfll": for Tegra210
16 - reg : Defines the following set of registers, in the order listed:
17 - registers for the DFLL control logic.
18 - registers for the I2C output logic.
19 - registers for the integrated I2C master controller.
[all …]
/Documentation/devicetree/bindings/mfd/
Dnetronix,ntxec.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jonathan Neuschäfer <j.neuschaefer@gmx.net>
13 This EC is found in e-book readers of multiple brands (e.g. Kobo, Tolino), and
22 - description: The I2C address of the EC
24 system-power-controller:
26 description: See Documentation/devicetree/bindings/power/power-controller.txt
33 "#pwm-cells":
36 Number of cells in a PWM specifier.
[all …]
Dsky81452.txt4 - compatible : Must be "skyworks,sky81452"
5 - reg : I2C slave address
8 - backlight : container node for backlight following the binding
9 in leds/backlight/sky81452-backlight.txt
10 - regulator : container node for regulators following the binding
11 in regulator/sky81452-regulator.txt
20 compatible = "skyworks,sky81452-backlight";
21 name = "pwm-backlight";
22 led-sources = <0 1 2 3 6>;
23 skyworks,ignore-pwm;
[all …]
Dstericsson,ab8500.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ST-Ericsson Analog Baseband AB8500 and AB8505
10 - Linus Walleij <linus.walleij@linaro.org>
13 the AB8500 "Analog Baseband" is the mixed-signals integrated circuit
14 handling power management (regulators), analog-to-digital conversion
15 (ADC), battery charging, fuel gauging of the battery, battery-backed
16 RTC, PWM, USB PHY and some GPIO lines in the ST-Ericsson U8500 platforms
21 USB charging handling has changed, and it has an embedded USB-to-serial
[all …]
Dx-powers,axp152.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mfd/x-powers,axp152.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: X-Powers AXP PMIC
10 - Chen-Yu Tsai <wens@csie.org>
13 - if:
18 - x-powers,axp152
19 - x-powers,axp202
20 - x-powers,axp209
[all …]
Dti-lmu.txt6 ------ ---------------------------------
7 LM3631 Backlight and regulator
8 LM3632 Backlight and regulator
11 LM36274 Backlight and regulator
14 - compatible: Should be one of:
20 - reg: I2C slave address.
28 - enable-gpios: A GPIO specifier for hardware enable pin.
29 - ramp-up-us: Current ramping from one brightness level to
31 Range from 2048 us - 117.44 s
32 - ramp-down-us: Current ramping from one brightness level to
[all …]
Dgoogle,cros-ec.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mfd/google,cros-ec.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Benson Leung <bleung@chromium.org>
11 - Guenter Roeck <groeck@chromium.org>
22 - description:
24 const: google,cros-ec-i2c
25 - description:
27 const: google,cros-ec-spi
[all …]
/Documentation/devicetree/bindings/sound/
Daxentia,tse850-pcm5142.txt1 Devicetree bindings for the Axentia TSE-850 audio complex
4 - compatible: "axentia,tse850-pcm5142"
5 - axentia,cpu-dai: The phandle of the cpu dai.
6 - axentia,audio-codec: The phandle of the PCM5142 codec.
7 - axentia,add-gpios: gpio specifier that controls the mixer.
8 - axentia,loop1-gpios: gpio specifier that controls loop relays on channel 1.
9 - axentia,loop2-gpios: gpio specifier that controls loop relays on channel 2.
10 - axentia,ana-supply: Regulator that supplies the output amplifier. Must
11 support voltages in the 2V - 20V range, in 1V steps.
16 IN1 +---o +------------+ o---+ OUT1
[all …]
Dst,sta32x.txt7 - compatible: "st,sta32x"
8 - reg: the I2C address of the device for I2C
9 - reset-gpios: a GPIO spec for the reset pin. If specified, it will be
12 - power-down-gpios: a GPIO spec for the power down pin. If specified,
16 - Vdda-supply: regulator spec, providing 3.3V
17 - Vdd3-supply: regulator spec, providing 3.3V
18 - Vcc-supply: regulator spec, providing 5V - 26V
22 - clocks, clock-names: Clock specifier for XTI input clock.
24 and disabled when it is removed. The 'clock-names' must be set to 'xti'.
26 - st,output-conf: number, Selects the output configuration:
[all …]
/Documentation/devicetree/bindings/leds/backlight/
Dpwm-backlight.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/pwm-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: pwm-backlight
10 - Lee Jones <lee@kernel.org>
11 - Daniel Thompson <daniel.thompson@linaro.org>
12 - Jingoo Han <jingoohan1@gmail.com>
15 - $ref: common.yaml#
19 const: pwm-backlight
[all …]
Dlp855x-backlight.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/lp855x-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Artur Weber <aweber.kernel@gmail.com>
15 - ti,lp8550
16 - ti,lp8551
17 - ti,lp8552
18 - ti,lp8553
19 - ti,lp8555
[all …]
/Documentation/driver-api/gpio/
Ddrivers-on-gpio.rst6 the right in-kernel and userspace APIs/ABIs for the job, and that these
10 - leds-gpio: drivers/leds/leds-gpio.c will handle LEDs connected to GPIO
13 - ledtrig-gpio: drivers/leds/trigger/ledtrig-gpio.c will provide a LED trigger,
15 (and that LED may in turn use the leds-gpio as per above).
17 - gpio-keys: drivers/input/keyboard/gpio_keys.c is used when your GPIO line
20 - gpio-keys-polled: drivers/input/keyboard/gpio_keys_polled.c is used when your
24 - gpio_mouse: drivers/input/mouse/gpio_mouse.c is used to provide a mouse with
29 - gpio-beeper: drivers/input/misc/gpio-beeper.c is used to provide a beep from
31 off/on, for an actual PWM waveform, see pwm-gpio below.)
33 - pwm-gpio: drivers/pwm/pwm-gpio.c is used to toggle a GPIO with a high
[all …]
/Documentation/devicetree/bindings/hwmon/
Dpwm-fan.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/hwmon/pwm-fan.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Fan connected to PWM lines
10 - Jean Delvare <jdelvare@suse.com>
11 - Guenter Roeck <linux@roeck-us.net>
15 const: pwm-fan
17 cooling-levels:
18 description: PWM duty cycle values corresponding to thermal cooling states.
[all …]
/Documentation/devicetree/bindings/leds/
Dleds-lm36274.txt1 * Texas Instruments LM36274 4-Channel LCD Backlight Driver w/Integrated Bias
3 The LM36274 is an integrated four-channel WLED driver and LCD bias supply.
5 up to 29V total output voltage. The 11-bit LED current is programmable via
6 the I2C bus and/or controlled via a logic level PWM input from 60 uA to 30 mA.
9 Documentation/devicetree/bindings/mfd/ti-lmu.txt
11 Regulator properties are documented in
12 Documentation/devicetree/bindings/regulator/lm363x-regulator.txt
15 - compatible:
16 "ti,lm36274-backlight"
17 - reg : 0
[all …]
/Documentation/devicetree/bindings/power/supply/
Drichtek,rt9467.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - ChiYuan Huang <cy_huang@richtek.com>
11 - ChiaEn Wu <chiaen_wu@richtek.com>
14 RT9467 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for
15 portable applications. It integrates a synchronous PWM controller, power
16 MOSFETs, input current sensing and regulation, high-accuracy voltage
20 The RT9467 also features USB On-The-Go (OTG) support. It also integrates
21 D+/D- pin for USB host/charging port detection.
[all …]

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