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/linux/Documentation/ABI/testing/
H A 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/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;
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/linux/Documentation/power/regulator/
H A 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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/linux/Documentation/devicetree/bindings/regulator/
H A 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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H A Dmediatek,mt6397-regulator.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/regulator/mediatek,mt6397-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MediaTek MT6397 Regulator
10 - Sen Chu <sen.chu@mediatek.com>
11 - Macpaul Lin <macpaul.lin@mediatek.com>
14 Regulator node of the PMIC. This node should under the PMIC's device node.
15 All voltage regulators provided by the PMIC are described as sub-nodes of
21 - const: mediatek,mt6397-regulator
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H A 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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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,
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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H A 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 - enum:
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H A 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
16 input and output voltage. If the input is lower than the output, mode will
20 https://www.richtek.com/assets/product_file/RT4803/DS4803-03.pdf
21 https://www.richtek.com/assets/product_file/RT4803A/DS4803A-06.pdf
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H A Drohm,bd71847-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/regulator/rohm,bd71847-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Matti Vaittinen <mazziesaccount@gmail.com>
15 Documentation/devicetree/bindings/mfd/rohm,bd71847-pmic.yaml
16 Regulator nodes should be named to BUCK_<number> and LDO_<number>. The
19 Documentation/devicetree/bindings/regulator/regulator.txt.
21 regulator-boot-on at least for BUCK5. LDO6 is supplied by it and it must
25 # The valid names for BD71847 regulator nodes are:
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H A Drohm,bd71837-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/regulator/rohm,bd71837-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Matti Vaittinen <mazziesaccount@gmail.com>
15 Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.yaml
16 Regulator nodes should be named to BUCK_<number> and LDO_<number>. The
19 Documentation/devicetree/bindings/regulator/regulator.txt.
21 regulator-boot-on at least for BUCK6 and BUCK7 so that those are not
26 # The valid names for BD71837 regulator nodes are:
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H A Dlp872x.txt4 - compatible: "ti,lp8720" or "ti,lp8725"
5 - reg: I2C slave address. 0x7d = LP8720, 0x7a = LP8725
8 - ti,general-config: the value of LP872X_GENERAL_CFG register (u8)
10 bit[2]: BUCK output voltage control by external DVS pin or register
19 bit[3]: BUCK2 output voltage register address. 1 = 0Ah, 0 = 0Bh
20 bit[2]: BUCK1 output voltage control by external DVS pin or register
27 - ti,update-config: define it when LP872X_GENERAL_CFG register should be set
28 - ti,dvs-gpio: GPIO specifier for external DVS pin control of LP872x devices.
29 - ti,dvs-vsel: DVS selector. 0 = SEL_V1, 1 = SEL_V2.
30 - ti,dvs-state: initial DVS pin state. 0 = DVS_LOW, 1 = DVS_HIGH.
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/linux/include/uapi/regulator/
H A 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/arch/arm/boot/dts/qcom/
H A Dmsm8226-motorola-falcon.dts1 // SPDX-License-Identifier: BSD-3-Clause
3 /dts-v1/;
5 #include "qcom-msm8226.dtsi"
8 /delete-node/ &smem_region;
13 chassis-type = "handset";
20 #address-cells = <1>;
21 #size-cells = <1>;
25 compatible = "simple-framebuffer";
31 vsp-supply = <&reg_lcd_pos>;
32 vsn-supply = <&reg_lcd_neg>;
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H A Dqcom-msm8926-motorola-peregrine.dts1 // SPDX-License-Identifier: BSD-3-Clause
3 /dts-v1/;
8 /delete-node/ &smem_region;
13 chassis-type = "handset";
21 #address-cells = <1>;
22 #size-cells = <1>;
26 compatible = "simple-framebuffer";
32 vsp-supply = <&reg_lcd_pos>;
33 vsn-supply = <&reg_lcd_neg>;
34 vdd-supply = <&pm8226_l28>;
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/linux/Documentation/devicetree/bindings/mfd/
H A 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,rk809
22 - rockchip,rk817
30 '#clock-cells':
32 See <dt-bindings/clock/rockchip,rk808.h> for clock IDs.
39 clock-names:
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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":
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/linux/arch/arm64/boot/dts/renesas/
H A Drzg3e-smarc-som.dtsi1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
13 * 0 - SD0 is connected to eMMC (default)
14 * 1 - SD0 is connected to uSD0 card
17 * 0 - Select Misc. Signals routing
18 * 1 - Select LCD
21 * 0 - Select CAN routing
22 * 1 - Select PDM
26 compatible = "renesas,rzg3e-smarcm", "renesas,r9a09g047e57", "renesas,r9a09g047";
42 reg_1p8v: regulator-1p8v {
43 compatible = "regulator-fixed";
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/linux/Documentation/driver-api/
H A 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
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/linux/Documentation/devicetree/bindings/sound/
H A 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/arch/arm/boot/dts/amlogic/
H A Dmeson8b-odroidc1.dts1 // SPDX-License-Identifier: GPL-2.0 OR MIT
7 /dts-v1/;
9 #include <dt-bindings/gpio/gpio.h>
12 model = "Hardkernel ODROID-C1";
13 compatible = "hardkernel,odroid-c1", "amlogic,meson8b";
22 stdout-path = "serial0:115200n8";
30 emmc_pwrseq: emmc-pwrseq {
31 compatible = "mmc-pwrseq-emmc";
32 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
36 compatible = "gpio-leds";
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/linux/arch/arm64/boot/dts/mediatek/
H A Dmt8192-asurada.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
6 /dts-v1/;
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/spmi/spmi.h>
25 stdout-path = "serial0:115200n8";
33 backlight_lcd0: backlight-lcd0 {
34 compatible = "pwm-backlight";
36 power-supply = <&ppvar_sys>;
37 enable-gpios = <&pio 152 0>;
38 brightness-levels = <0 1023>;
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H A Dmt8186-corsola.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
5 /dts-v1/;
7 #include <dt-bindings/pinctrl/mt8186-pinfunc.h>
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/input/gpio-keys.h>
11 #include <dt-bindings/regulator/mediatek,mt6397-regulator.h>
26 stdout-path = "serial0:115200n8";
35 backlight_lcd0: backlight-lcd0 {
36 compatible = "pwm-backlight";
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H A Dmt8186-corsola-steelix.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
6 /dts-v1/;
7 #include "mt8186-corsola.dtsi"
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/input.h>
12 pp1000_edpbrdg: regulator-pp1000-edpbrdg {
13 compatible = "regulator-fixed";
14 regulator-name = "pp1000_edpbrdg";
15 pinctrl-names = "default";
16 pinctrl-0 = <&en_pp1000_edpbrdg>;
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/linux/Documentation/devicetree/bindings/net/
H A Dqca,ar803x.yaml1 # SPDX-License-Identifier: GPL-2.0+
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andrew Lunn <andrew@lunn.ch>
11 - Florian Fainelli <f.fainelli@gmail.com>
12 - Heiner Kallweit <hkallweit1@gmail.com>
18 - $ref: ethernet-phy.yaml#
19 - if:
24 - ethernet-phy-id004d.d0c0
33 - description:
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