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/linux/Documentation/devicetree/bindings/sound/
H A Dqcom,wcd93xx-common.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/qcom,wcd93xx-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
13 reset-gpios:
17 vdd-buck-supply:
18 description: A reference to the 1.8V buck supply
20 vdd-rxtx-supply:
21 description: A reference to the 1.8V rx supply
[all …]
H A Dqcom,wcd934x.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
13 Qualcomm WCD9340/WCD9341 Codec is a standalone Hi-Fi audio codec IC.
14 It has in-built Soundwire controller, pin controller, interrupt mux and
27 reset-gpios:
31 slim-ifc-dev:
38 clock-names:
41 vdd-buck-supply:
[all …]
H A Dnuvoton,nau8325.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Seven Lee <WTLI@nuvoton.com>
13 - $ref: dai-common.yaml#
22 nuvoton,vref-impedance-ohms:
24 The vref impedance to be used in ohms. Middle of voltage enables
25 Tie-Off selection options. Due to the high impedance of the VREF
26 pin, it is important to use a low-leakage capacitor.
30 nuvoton,dac-vref-microvolt:
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/linux/Documentation/devicetree/bindings/regulator/
H A Dltc3589.txt1 Linear Technology LTC3589, LTC3589-1, and LTC3589-2 8-output regulators
4 - compatible: "lltc,ltc3589", "lltc,ltc3589-1" or "lltc,ltc3589-2"
5 - reg: I2C slave address
8 - regulators: Contains eight regulator child nodes sw1, sw2, sw3, bb-out,
13 nodes for sw1, sw2, sw3, bb-out, ldo1, and ldo2 additionally need to specify
14 the resistor values of their external feedback voltage dividers:
17 - lltc,fb-voltage-divider: An array of two integers containing the resistor
18 values R1 and R2 of the feedback voltage divider in ohms.
20 Regulators sw1, sw2, sw3, and ldo2 can regulate the feedback reference from
21 0.3625 V to 0.75 V in 12.5 mV steps. The output voltage thus ranges between
[all …]
H A Dst,stm32-vrefbuf.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/regulator/st,stm32-vrefbuf.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: STMicroelectronics STM32 Voltage reference buffer
10 Some STM32 devices embed a voltage reference buffer which can be used as
11 voltage reference for ADCs, DACs and also as voltage reference for external
15 - Fabrice Gasnier <fabrice.gasnier@foss.st.com>
18 - $ref: regulator.yaml#
22 const: st,stm32-vrefbuf
[all …]
H A Dhisilicon,hi655x-regulator.txt1 Hisilicon Hi655x Voltage regulators
9 take the bindings of regulator.txt for reference.
18 compatible = "hisilicon,hi655x-pmic";
22 regulator-name = "LDO2_2V8";
23 regulator-min-microvolt = <2500000>;
24 regulator-max-microvolt = <3200000>;
25 regulator-enable-ramp-delay = <120>;
/linux/Documentation/devicetree/bindings/iio/adc/
H A Daspeed,ast2600-adc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/aspeed,ast2600-adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Billy Tsai <billy_tsai@aspeedtech.com>
13 • 10-bits resolution for 16 voltage channels.
14 • The device split into two individual engine and each contains 8 voltage
16 • Channel scanning can be non-continuous.
21 • Built-in a compensating method.
22 • Built-in a register to trim internal reference voltage.
[all …]
H A Dadi,ad7949.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Charles-Antoine Couret <charles-antoine.couret@essensium.com>
15 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7949.pdf
17 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7682_7689.pdf
22 - adi,ad7682
23 - adi,ad7689
24 - adi,ad7949
29 vrefin-supply:
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/linux/Documentation/devicetree/bindings/hwmon/
H A Dmicrochip,mcp3021.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
15 - microchip,mcp3021
16 - microchip,mcp3221
21 reference-voltage-microvolt:
23 VDD supply power and reference voltage
26 - compatible
27 - reg
[all …]
/linux/Documentation/devicetree/bindings/iio/dac/
H A Dadi,ltc2664.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <michael.hennerich@analog.com>
11 - Kim Seer Paller <kimseer.paller@analog.com>
14 Analog Devices LTC2664 4 channel, 12-/16-Bit, +-10V DAC
15 https://www.analog.com/media/en/technical-documentation/data-sheets/2664fa.pdf
20 - adi,ltc2664
25 spi-max-frequency:
28 vcc-supply:
[all …]
H A Dadi,ad3552r.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Nuno Sá <nuno.sa@analog.com>
16 https://www.analog.com/media/en/technical-documentation/data-sheets/ad3541r.pdf
17 https://www.analog.com/media/en/technical-documentation/data-sheets/ad3542r.pdf
18 https://www.analog.com/media/en/technical-documentation/data-sheets/ad3551r.pdf
19 https://www.analog.com/media/en/technical-documentation/data-sheets/ad3552r.pdf
24 - adi,ad3541r
25 - adi,ad3542r
[all …]
H A Dlltc,ltc2632.yaml1 # SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Linear Technology LTC263x 12-/10-/8-Bit Rail-to-Rail DAC
10 - Michael Hennerich <michael.hennerich@analog.com>
14 …Datasheet can be found here: https://www.analog.com/media/en/technical-documentation/data-sheets/L…
19 - lltc,ltc2632-l12
20 - lltc,ltc2632-l10
21 - lltc,ltc2632-l8
22 - lltc,ltc2632-h12
[all …]
H A Dadi,ltc2688.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Nuno Sá <nuno.sa@analog.com>
13 Analog Devices LTC2688 16 channel, 16 bit, +-15V DAC
14 https://www.analog.com/media/en/technical-documentation/data-sheets/ltc2688.pdf
19 - adi,ltc2688
24 vcc-supply:
25 description: Analog Supply Voltage Input.
27 iovcc-supply:
[all …]
/linux/rust/kernel/
H A Dopp.rs1 // SPDX-License-Identifier: GPL-2.0
9 //! Reference: <https://docs.kernel.org/power/opp.html>
39 pub(crate) fn new(table: &Table) -> Result<Self> { in new()
54 /// Returns a reference to the underlying [`cpufreq::Table`].
56 fn table(&self) -> &cpufreq::Table { in table()
66 fn deref(&self) -> &Self::Target { in deref()
89 /// Creates a null-terminated slice of pointers to [`Cstring`]s.
90 fn to_c_str_array(names: &[CString]) -> Result<KVec<*const u8>> { in to_c_str_array()
91 // Allocated a null-terminated vector of pointers. in to_c_str_array()
102 /// The voltage unit.
[all …]
/linux/Documentation/devicetree/bindings/mfd/
H A Dmediatek,mt6357.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Flora Fu <flora.fu@mediatek.com>
11 - Alexandre Mergnat <amergnat@baylibre.com>
19 - Regulator
20 - RTC
21 - Keys
35 interrupt-controller: true
37 "#interrupt-cells":
[all …]
H A Dda9052-i2c.txt4 - compatible : Should be "dlg,da9052", "dlg,da9053-aa",
5 "dlg,da9053-ab", or "dlg,da9053-bb"
8 - dlg,tsi-as-adc : Boolean, if set the X+, X-, Y+, Y- touchscreen
11 - tsiref-supply: Phandle to the regulator, which provides the reference
12 voltage for the TSIREF pin. Must be provided when the
15 Sub-nodes:
16 - regulators : Contain the regulator nodes. The DA9052/53 regulators are
42 compatible = "dlg,da9053-aa";
47 regulator-min-microvolt = <500000>;
48 regulator-max-microvolt = <2075000>;
[all …]
/linux/Documentation/devicetree/bindings/opp/
H A Dopp-v2-base.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/opp/opp-v2-base.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Viresh Kumar <viresh.kumar@linaro.org>
13 Devices work at voltage-current-frequency combinations and some implementations
25 pattern: '^opp-table(-[a-z0-9]+)?$'
27 opp-shared:
30 their DVFS state together, i.e. they share clock/voltage/current lines.
31 Missing property means devices have independent clock/voltage/current
[all …]
/linux/arch/arm64/boot/dts/qcom/
H A Dipq9574-rdp-common.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
5 * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
6 * Copyright (c) 2023-2024, Qualcomm Innovation Center, Inc. All rights reserved.
9 /dts-v1/;
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/input/input.h>
13 #include <dt-bindings/leds/common.h>
22 stdout-path = "serial0:115200n8";
26 compatible = "regulator-fixed";
27 regulator-min-microvolt = <3300000>;
[all …]
H A Dmsm8916-pm8916.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 * msm8916-pm8916.dtsi describes common properties (e.g. regulator connections)
5 * Many regulators have a fixed purpose in the original reference design and
6 * were rarely re-used for different purposes. Devices that deviate from the
7 * typical reference design should not make use of this include and instead add
8 * the necessary properties in the board-specific device tree.
15 vdda-supply = <&pm8916_l2>;
19 vdda-supply = <&pm8916_l2>;
20 vddio-supply = <&pm8916_l6>;
24 vddio-supply = <&pm8916_l6>;
[all …]
H A Dmsm8939-pm8916.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 * msm8939-pm8916.dtsi describes common properties (e.g. regulator connections)
5 * Many regulators have a fixed purpose in the original reference design and
6 * were rarely re-used for different purposes. Devices that deviate from the
7 * typical reference design should not make use of this include and instead add
8 * the necessary properties in the board-specific device tree.
15 vdda-supply = <&pm8916_l2>;
16 vddio-supply = <&pm8916_l6>;
20 vddio-supply = <&pm8916_l6>;
24 vdda-supply = <&pm8916_l2>;
[all …]
H A Dmsm8929-pm8916.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 * msm8929-pm8916.dtsi describes common properties (e.g. regulator connections)
5 * Many regulators have a fixed purpose in the original reference design and
6 * were rarely re-used for different purposes. Devices that deviate from the
7 * typical reference design should not make use of this include and instead add
8 * the necessary properties in the board-specific device tree.
15 vdda-supply = <&pm8916_l2>;
16 vddio-supply = <&pm8916_l6>;
20 vddio-supply = <&pm8916_l6>;
24 vdda-supply = <&pm8916_l2>;
[all …]
/linux/arch/arm/boot/dts/aspeed/
H A Daspeed-ast2600-evb.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
4 /dts-v1/;
6 #include "aspeed-g6.dtsi"
7 #include <dt-bindings/gpio/aspeed-gpio.h>
11 compatible = "aspeed,ast2600-evb", "aspeed,ast2600";
26 reserved-memory {
27 #address-cells = <1>;
28 #size-cells = <1>;
34 compatible = "shared-dma-pool";
41 compatible = "shared-dma-pool";
[all …]
/linux/Documentation/devicetree/bindings/clock/
H A Didt,versaclock5.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
16 - 5P49V5923:
17 0 -- OUT0_SEL_I2CB
18 1 -- OUT1
19 2 -- OUT2
21 - 5P49V5933:
22 0 -- OUT0_SEL_I2CB
23 1 -- OUT1
[all …]
/linux/drivers/hwmon/
H A Dmcp3021.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * mcp3021.c - driver for Microchip MCP3021 and MCP3221
5 * Copyright (C) 2008-2009, 2012 Freescale Semiconductor, Inc.
10 * This driver exports the value of analog input voltage to sysfs, the
11 * voltage unit is mV. Through the sysfs interface, lm-sensors tool
12 * can also display the input voltage.
24 /* Vdd / reference voltage in millivolt */
32 #define MCP3021_OUTPUT_RES 10 /* 10-bit resolution */
36 #define MCP3221_OUTPUT_RES 12 /* 12-bit resolution */
48 u32 vdd; /* supply and reference voltage in millivolt */
[all …]
/linux/drivers/opp/
H A Dopp.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2009-2010 Texas Instruments Incorporated.
40 * struct opp_config_data - data for set config operations
55 * struct dev_pm_opp_icc_bw - Interconnect bandwidth values
70 * |- device 1 (represents voltage domain 1)
71 * | |- opp 1 (availability, freq, voltage)
72 * | |- opp 2 ..
74 * | `- opp n ..
75 * |- device 2 (represents the next voltage domain)
77 * `- device m (represents mth voltage domain)
[all …]

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