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/linux/Documentation/power/regulator/
H A Dmachine.rst10 Regulator-1 -+-> Regulator-2 --> [Consumer A @ 1.8 - 2.0V]
12 +-> [Consumer B @ 3.3V]
15 order to control their power supplies. This mapping can be achieved in machine
21 const char *supply; /* consumer supply - e.g. "vcc" */
27 REGULATOR_SUPPLY("Vcc", "consumer B"),
31 REGULATOR_SUPPLY("Vcc", "consumer A"),
34 This maps Regulator-1 to the 'Vcc' supply for Consumer B and maps Regulator-2
35 to the 'Vcc' supply for Consumer A.
43 .name = "Regulator-1",
53 for the board for configuration of supplies for other regulators and
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H A Dconsumer.rst14 regulator = regulator_get(dev, "Vcc");
16 The consumer passes in its struct device pointer and power supply ID. The core
19 regulator that supplies this consumer.
26 analog and digital supplies ::
28 digital = regulator_get(dev, "Vcc"); /* digital core */
144 --------------------------------
150 This will cause the core to recalculate the total load on the regulator (based
163 ------------------------------
199 they need to do low-level hardware access to regulators, with no involvement
202 - clocksource with a voltage-controlled oscillator and control logic to change
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/linux/Documentation/devicetree/bindings/display/panel/
H A Dleadtek,ltk500hd1829.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
13 - $ref: panel-common.yaml#
18 - leadtek,ltk101b4029w
19 - leadtek,ltk500hd1829
25 reset-gpios: true
26 iovcc-supply:
27 description: regulator that supplies the iovcc voltage
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/linux/Documentation/devicetree/bindings/display/msm/
H A Dhdmi.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Rob Clark <robdclark@gmail.com>
16 - qcom,hdmi-tx-8084
17 - qcom,hdmi-tx-8660
18 - qcom,hdmi-tx-8960
19 - qcom,hdmi-tx-8974
20 - qcom,hdmi-tx-8994
21 - qcom,hdmi-tx-8996
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/linux/Documentation/devicetree/bindings/hwmon/pmbus/
H A Dadi,adp1050.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Radu Sabau <radu.sabau@analog.com>
14 Through the PMBus interface, the ADP1050 targets isolated power supplies
27 vcc-supply: true
30 - compatible
31 - reg
32 - vcc-supply
37 - |
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/linux/Documentation/devicetree/bindings/media/i2c/
H A Dalliedvision,alvium-csi2.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/media/i2c/alliedvision,alvium-csi2.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tommaso Merciai <tomm.merciai@gmail.com>
11 - Martin Hecht <martin.hecht@avnet.eu>
14 - $ref: /schemas/media/video-interface-devices.yaml#
18 const: alliedvision,alvium-csi2
23 vcc-ext-in-supply:
25 The regulator that supplies power to the VCC_EXT_IN pins.
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/linux/Documentation/driver-api/
H A Dregulator.rst1 .. Copyright 2007-2008 Wolfson Microelectronics
30 --------
36 Electronic device that supplies power to other devices. Most regulators
62 drivers use `get <#API-regulator-get>`__ and
63 `put <#API-regulator-put>`__ operations to acquire and release
64 regulators. Functions are provided to `enable <#API-regulator-enable>`__
65 and `disable <#API-regulator-disable>`__ the regulator and to get and
69 supplies, such as "Vcc", which are mapped into actual regulator devices
76 ----------------------
90 -------------
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/linux/Documentation/devicetree/bindings/iio/adc/
H A Dadi,ad7476.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Michael Hennerich <michael.hennerich@analog.com>
21 - adi,ad7091
22 - adi,ad7091r
23 - adi,ad7273
24 - adi,ad7274
25 - adi,ad7276
26 - adi,ad7277
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H A Dadi,ad7380.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 - Nuno Sá <nuno.sa@analog.com>
21 * https://www.analog.com/en/products/ad7380-4.html
22 * https://www.analog.com/en/products/ad7381-4.html
23 * https://www.analog.com/en/products/ad7383-4.html
24 * https://www.analog.com/en/products/ad7384-4.html
25 * https://www.analog.com/en/products/ad7386-4.html
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/linux/arch/arm64/boot/dts/allwinner/
H A Dsun50i-h64-remix-mini-pc.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
4 /dts-v1/;
6 #include "sun50i-a64.dtsi"
7 #include "sun50i-a64-cpu-opp.dtsi"
9 #include <dt-bindings/gpio/gpio.h>
13 compatible = "jide,remix-mini-pc", "allwinner,sun50i-h64",
14 "allwinner,sun50i-a64";
22 stdout-path = "serial0:115200n8";
25 hdmi-connector {
26 compatible = "hdmi-connector";
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/linux/Documentation/hwmon/
H A Dadm1025.rst10 Addresses scanned: I2C 0x2c - 0x2e
18 Addresses scanned: I2C 0x2c - 0x2d
24 * Only two possible addresses (0x2c - 0x2d).
29 - Chen-Yuan Wu <gwu@esoft.com>,
30 - Jean Delvare <jdelvare@suse.de>
33 -----------
36 monitor for microprocessor-based systems, providing measurement and limit
38 are provided, for monitoring +2.5V, +3.3V, +5V and +12V power supplies and
39 the processor core voltage. The ADM1025 can monitor a sixth power-supply
40 voltage by measuring its own VCC. One input (two pins) is dedicated to a
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/linux/Documentation/devicetree/bindings/pinctrl/
H A Dallwinner,sun4i-a10-pinctrl.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/allwinner,sun4i-a10-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
14 "#gpio-cells":
21 "#interrupt-cells":
30 - allwinner,sun4i-a10-pinctrl
31 - allwinner,sun5i-a10s-pinctrl
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/linux/drivers/ufs/host/
H A Dufshcd-pltfrm.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Copyright (C) 2011-2013 Samsung India Software Operations
19 #include "ufshcd-pltfrm.h"
29 struct device *dev = hba->dev; in ufshcd_parse_clock_info()
30 struct device_node *np = dev->of_node; in ufshcd_parse_clock_info()
39 cnt = of_property_count_strings(np, "clock-names"); in ufshcd_parse_clock_info()
40 if (!cnt || (cnt == -EINVAL)) { in ufshcd_parse_clock_info()
52 sz = of_property_count_u32_elems(np, "freq-table-hz"); in ufshcd_parse_clock_info()
54 dev_info(dev, "freq-table-hz property not specified\n"); in ufshcd_parse_clock_info()
59 dev_err(dev, "%s len mismatch\n", "freq-table-hz"); in ufshcd_parse_clock_info()
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/linux/include/linux/regulator/
H A Dmachine.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * machine.h -- SoC Regulator support, machine/board driver API.
44 * DO_NOTHING_IN_SUSPEND - the default value
45 * DISABLE_IN_SUSPEND - turn off regulator in suspend states
46 * ENABLE_IN_SUSPEND - keep regulator on in suspend states
53 * Default time window (in milliseconds) following a critical under-voltage
67 * struct regulator_state - regulator state during low power system states
79 * - DO_NOTHING_IN_SUSPEND
80 * - DISABLE_IN_SUSPEND
81 * - ENABLE_IN_SUSPEND
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/linux/arch/arm/boot/dts/rockchip/
H A Drk3188-bqedison2qc.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
8 #include <dt-bindings/i2c/i2c.h>
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
14 model = "BQ Edison2 Quad-Core";
15 compatible = "mundoreader,bq-edison2qc", "rockchip,rk3188";
29 compatible = "pwm-backlight";
30 power-supply = <&vsys>;
34 gpio-keys {
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/linux/sound/soc/codecs/
H A Dsta32x.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Codec driver for ST STA32x 2.1-channel high-efficiency digital audio system
30 #include <sound/core.h>
34 #include <sound/soc-dapm.h>
54 /* Power-up register defaults */
132 "Vcc" /* power amp spply, 10V - 36V */
139 struct regulator_bulk_data supplies[ARRAY_SIZE(sta32x_supply_names)]; member
153 static const DECLARE_TLV_DB_SCALE(mvol_tlv, -12700, 50, 1);
154 static const DECLARE_TLV_DB_SCALE(chvol_tlv, -7950, 50, 1);
155 static const DECLARE_TLV_DB_SCALE(tone_tlv, -120, 200, 0);
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H A Dsta350.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Codec driver for ST STA350 2.1-channel high-efficiency digital audio system
30 #include <sound/core.h>
34 #include <sound/soc-dapm.h>
54 /* Power-up register defaults */
155 "vdd-dig", /* digital supply, 3.3V */
156 "vdd-pll", /* pll supply, 3.3V */
157 "vcc" /* power amp supply, 5V - 26V */
163 struct regulator_bulk_data supplies[ARRAY_SIZE(sta350_supply_names)]; member
178 static const DECLARE_TLV_DB_SCALE(mvol_tlv, -12750, 50, 1);
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/linux/arch/arm/boot/dts/nvidia/
H A Dtegra20-acer-a500-picasso.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/atmel-maxtouch.h>
5 #include <dt-bindings/input/gpio-keys.h>
6 #include <dt-bindings/input/input.h>
7 #include <dt-bindings/thermal/thermal.h>
10 #include "tegra20-cpu-opp.dtsi"
11 #include "tegra20-cpu-opp-microvolt.dtsi"
32 * pre-existing /chosen node to be available to insert the
41 reserved-memory {
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H A Dtegra20-asus-tf101.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/atmel-maxtouch.h>
5 #include <dt-bindings/input/gpio-keys.h>
6 #include <dt-bindings/input/input.h>
7 #include <dt-bindings/thermal/thermal.h>
10 #include "tegra20-cpu-opp.dtsi"
11 #include "tegra20-cpu-opp-microvolt.dtsi"
16 chassis-type = "convertible";
33 * pre-existing /chosen node to be available to insert the
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H A Dtegra114-dalmore.dts1 // SPDX-License-Identifier: GPL-2.0
7 /dts-v1/;
9 #include <dt-bindings/input/input.h>
23 stdout-path = "serial0:115200n8";
34 hdmi-supply = <&vdd_5v0_hdmi>;
35 vdd-supply = <&vdd_hdmi_reg>;
36 pll-supply = <&palmas_smps3_reg>;
38 nvidia,ddc-i2c-bus = <&hdmi_ddc>;
39 nvidia,hpd-gpio =
46 avdd-dsi-csi-supply = <&avdd_1v2_reg>;
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H A Dtegra30-asus-nexus7-grouper-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/input/gpio-keys.h>
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/power/summit,smb347-charger.h>
6 #include <dt-bindings/thermal/thermal.h>
9 #include "tegra30-cpu-opp.dtsi"
10 #include "tegra30-cpu-opp-microvolt.dtsi"
11 #include "tegra30-asus-lvds-display.dtsi"
27 * pre-existing /chosen node to be available to insert the
33 trusted-foundations {
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/linux/drivers/ufs/core/
H A Dufshcd.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Universal Flash Storage Host controller driver Core
4 * Copyright (C) 2011-2013 Samsung India Software Operations
5 * Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
17 #include <linux/blk-pm.h>
31 #include "ufshcd-priv.h"
34 #include "ufs-sysfs.h"
35 #include "ufs-debugfs.h"
36 #include "ufs-fault-injection.h"
38 #include "ufshcd-crypto.h"
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