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/linux-6.8/drivers/regulator/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
2 menuconfig REGULATOR config
3 bool "Voltage and Current Regulator Support"
6 Generic Voltage and Current Regulator support.
14 The intention is to allow systems to dynamically control regulator
15 output in order to save power and prolong battery life. This applies
16 to both voltage regulators (where voltage output is controllable) and
17 current sinks (where current output is controllable).
26 if REGULATOR
29 bool "Regulator debug support"
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/linux-6.8/Documentation/ABI/testing/
Dsysfs-class-regulator1 What: /sys/class/regulator/.../state
6 Some regulator directories will contain a field called
7 state. This reports the regulator enable control, for
16 'enabled' means the regulator output is ON and is supplying
19 'disabled' means the regulator output is OFF and is not
20 supplying power to the system (unless some non-Linux
27 or microamps to determine configured regulator output levels.
30 What: /sys/class/regulator/.../status
32 Some regulator directories will contain a field called
33 "status". This reports the current regulator status, for
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/linux-6.8/arch/arm64/boot/dts/qcom/
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;
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/linux-6.8/Documentation/power/regulator/
Doverview.rst2 Linux voltage and current regulator framework
11 The intention is to allow systems to dynamically control regulator power output
13 regulators (where voltage output is controllable) and current sinks (where
26 - Regulator
27 - Electronic device that supplies power to other devices.
28 Most regulators can enable and disable their output while
29 some can control their output voltage and or current.
31 Input Voltage -> Regulator -> Output Voltage
34 - PMIC
35 - Power Management IC. An IC that contains numerous
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Dconsumer.rst2 Regulator Consumer Driver Interface
5 This text describes the regulator interface for consumer device drivers.
9 1. Consumer Regulator Access (static & dynamic drivers)
12 A consumer driver can get access to its supply regulator by calling ::
14 regulator = regulator_get(dev, "Vcc");
17 then finds the correct regulator by consulting a machine specific lookup table.
19 regulator that supplies this consumer.
21 To release the regulator the consumer driver should call ::
23 regulator_put(regulator);
25 Consumers can be supplied by more than one regulator e.g. codec consumer with
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/linux-6.8/Documentation/devicetree/bindings/regulator/
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:
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Dregulator-output.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $id: http://devicetree.org/schemas/regulator/regulator-output.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Regulator output connector
11 - Zev Weiss <zev@bewilderbeest.net>
14 This describes a power output connector supplied by a regulator,
22 const: regulator-output
24 vout-supply:
26 Phandle of the regulator supplying the output.
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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,
10 documented in Documentation/devicetree/bindings/regulator/regulator.txt.
12 Each regulator is defined using the standard binding for regulators. The
13 nodes for sw1, sw2, sw3, bb-out, ldo1, and ldo2 additionally need to specify
17 - lltc,fb-voltage-divider: An array of two integers containing the resistor
21 0.3625 V to 0.75 V in 12.5 mV steps. The output voltage thus ranges between
22 0.3625 * (1 + R1/R2) V and 0.75 * (1 + R1/R2) V. Regulators bb-out and ldo1
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Dqcom,usb-vbus-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/qcom,usb-vbus-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: The Qualcomm PMIC VBUS output regulator driver
10 - Wesley Cheng <quic_wcheng@quicinc.com>
13 This regulator driver controls the VBUS output by the Qualcomm PMIC. This
14 regulator will be enabled in situations where the device is required to
18 - $ref: regulator.yaml#
23 - qcom,pm8150b-vbus-reg
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Dltc3676.txt1 Linear Technology LTC3676 8-output regulators
4 - compatible: "lltc,ltc3676"
5 - reg: I2C slave address
8 - regulators: Contains eight regulator child nodes sw1, sw2, sw3, sw4,
10 documented in Documentation/devicetree/bindings/regulator/regulator.txt.
12 Each regulator is defined using the standard binding for regulators. The
17 - lltc,fb-voltage-divider: An array of two integers containing the resistor
21 412.5mV to 800mV in 12.5 mV steps. The output voltage thus ranges between
24 Regulators ldo1, ldo2, and ldo4 have a fixed 0.725 V reference and thus output
25 0.725 * (1 + R1/R2) V. The ldo3 regulator is fixed to 1.8 V. The ldo1 standby
[all …]
Dvctrl.txt5 --------------------
6 - compatible : must be "vctrl-regulator".
7 - regulator-min-microvolt : smallest voltage consumers may set
8 - regulator-max-microvolt : largest voltage consumers may set
9 - ctrl-supply : The regulator supplying the control voltage.
10 - ctrl-voltage-range : an array of two integer values describing the range
13 regulator-min/max-microvolt output voltage.
16 --------------------
17 - ovp-threshold-percent : overvoltage protection (OVP) threshold of the
18 regulator in percent. Some regulators have an OVP
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/linux-6.8/include/uapi/regulator/
Dregulator.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * Regulator uapi header
18 * Regulator notifier events.
20 * UNDER_VOLTAGE Regulator output is under voltage.
21 * OVER_CURRENT Regulator output current is too high.
22 * REGULATION_OUT Regulator output is out of regulation.
23 * FAIL Regulator output has failed.
24 * OVER_TEMP Regulator over temp.
25 * FORCE_DISABLE Regulator forcibly shut down by software.
26 * VOLTAGE_CHANGE Regulator voltage changed.
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/linux-6.8/Documentation/devicetree/bindings/mfd/
Drockchip,rk809.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Chris Zhong <zyw@rock-chips.com>
11 - Zhang Qing <zhangqing@rock-chips.com>
20 - rockchip,rk809
28 '#clock-cells':
30 See <dt-bindings/clock/rockchip,rk808.h> for clock IDs.
34 clock-output-names:
36 From common clock binding to override the default output clock name.
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Drockchip,rk805.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Chris Zhong <zyw@rock-chips.com>
11 - Zhang Qing <zhangqing@rock-chips.com>
20 - rockchip,rk805
28 '#clock-cells':
30 See <dt-bindings/clock/rockchip,rk808.h> for clock IDs.
34 clock-output-names:
36 From common clock binding to override the default output clock name.
[all …]
Drockchip,rk817.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Chris Zhong <zyw@rock-chips.com>
11 - Zhang Qing <zhangqing@rock-chips.com>
21 - rockchip,rk817
29 '#clock-cells':
31 See <dt-bindings/clock/rockchip,rk808.h> for clock IDs.
35 clock-output-names:
37 From common clock binding to override the default output clock name.
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/linux-6.8/arch/arm/boot/dts/rockchip/
Drk3288-r89.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
7 #include <dt-bindings/input/input.h>
8 #include <dt-bindings/pwm/pwm.h>
20 ext_gmac: external-gmac-clock {
21 compatible = "fixed-clock";
22 clock-frequency = <125000000>;
23 clock-output-names = "ext_gmac";
24 #clock-cells = <0>;
27 gpio-keys {
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Drk3288-firefly-reload-core.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #include <dt-bindings/input/input.h>
16 ext_gmac: external-gmac-clock {
17 compatible = "fixed-clock";
18 #clock-cells = <0>;
19 clock-frequency = <125000000>;
20 clock-output-names = "ext_gmac";
24 vcc_flash: flash-regulator {
25 compatible = "regulator-fixed";
26 regulator-name = "vcc_flash";
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Drk3288-miqi.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
7 #include <dt-bindings/input/input.h>
15 stdout-path = "serial2:115200n8";
23 ext_gmac: external-gmac-clock {
24 compatible = "fixed-clock";
25 #clock-cells = <0>;
26 clock-frequency = <125000000>;
27 clock-output-names = "ext_gmac";
31 compatible = "gpio-leds";
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/linux-6.8/arch/arm64/boot/dts/freescale/
Dimx93-tqma9352-mba93xxca.dts1 // SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
3 * Copyright (c) 2022-2023 TQ-Systems GmbH <linux@ew.tq-group.com>,
4 * D-82229 Seefeld, Germany.
8 /dts-v1/;
10 #include <dt-bindings/input/input.h>
11 #include <dt-bindings/leds/common.h>
12 #include <dt-bindings/net/ti-dp83867.h>
13 #include <dt-bindings/pwm/pwm.h>
15 #include "imx93-tqma9352.dtsi"
18 model = "TQ-Systems i.MX93 TQMa93xxLA/TQMa93xxCA on MBa93xxCA starter kit";
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/linux-6.8/arch/arm64/boot/dts/ti/
Dk3-am625-sk.dts1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2021-2022 Texas Instruments Incorporated - https://www.ti.com/
8 /dts-v1/;
10 #include "k3-am62x-sk-common.dtsi"
13 compatible = "ti,am625-sk", "ti,am625";
16 opp-table {
17 /* Add 1.4GHz OPP for am625-sk board. Requires VDD_CORE to be at 0.85V */
18 opp-1400000000 {
19 opp-hz = /bits/ 64 <1400000000>;
20 opp-supported-hw = <0x01 0x0004>;
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/linux-6.8/Documentation/devicetree/bindings/sound/
Dtlv320aic31xx.txt1 Texas Instruments - tlv320aic31xx Codec module
7 - compatible - "string" - One of:
8 "ti,tlv320aic310x" - Generic TLV320AIC31xx with mono speaker amp
9 "ti,tlv320aic311x" - Generic TLV320AIC31xx with stereo speaker amp
10 "ti,tlv320aic3100" - TLV320AIC3100 (mono speaker amp, no MiniDSP)
11 "ti,tlv320aic3110" - TLV320AIC3110 (stereo speaker amp, no MiniDSP)
12 "ti,tlv320aic3120" - TLV320AIC3120 (mono speaker amp, MiniDSP)
13 "ti,tlv320aic3111" - TLV320AIC3111 (stereo speaker amp, MiniDSP)
14 "ti,tlv320dac3100" - TLV320DAC3100 (no ADC, mono speaker amp, no MiniDSP)
15 "ti,tlv320dac3101" - TLV320DAC3101 (no ADC, stereo speaker amp, no MiniDSP)
[all …]
Dti,tlv320aic3x.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 TLV320AIC3x are a series of low-power stereo audio codecs with stereo
13 single-ended or fully differential configurations.
16 data bus is programmable for I2S, left/right-justified, DSP, or TDM modes.
20 CODEC output pins:
44 - Jai Luthra <j-luthra@ti.com>
49 - ti,tlv320aic3x
50 - ti,tlv320aic33
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/linux-6.8/arch/arm64/boot/dts/renesas/
Dulcb-kf.dtsi1 // SPDX-License-Identifier: GPL-2.0
18 #clock-cells = <0>;
19 compatible = "gpio-mux-clock";
21 select-gpios = <&gpio_exp_75 13 GPIO_ACTIVE_HIGH>;
24 hdmi1-out {
25 compatible = "hdmi-connector";
30 remote-endpoint = <&adv7513_out>;
35 accel_3v3: regulator-acc-3v3 {
36 compatible = "regulator-fixed";
37 regulator-name = "accel-3v3";
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/linux-6.8/arch/arm64/boot/dts/mediatek/
Dmt8183-kukui-jacuzzi.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
6 #include "mt8183-kukui.dtsi"
7 /* Must come after mt8183-kukui.dtsi to modify cros_ec */
8 #include <arm/cros-ec-keyboard.dtsi>
11 pp1200_mipibrdg: pp1200-mipibrdg {
12 compatible = "regulator-fixed";
13 regulator-name = "pp1200_mipibrdg";
14 pinctrl-names = "default";
15 pinctrl-0 = <&pp1200_mipibrdg_en>;
17 enable-active-high;
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/linux-6.8/Documentation/driver-api/
Dregulator.rst1 .. Copyright 2007-2008 Wolfson Microelectronics
8 Voltage and current regulator API
20 The intention is to allow systems to dynamically control regulator power
21 output in order to save power and prolong battery life. This applies to
22 both voltage regulators (where voltage output is controllable) and
27 ``Documentation/power/regulator``.
30 --------
32 The regulator API uses a number of terms which may not be familiar:
34 Regulator
37 can enable and disable their output and some can also control their
[all …]

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