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/linux/Documentation/devicetree/bindings/mfd/
H A Dmaxim,max14577.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Maxim MAX14577/MAX77836 MicroUSB and Companion Power Management IC
10 - Krzysztof Kozlowski <krzk@kernel.org>
13 This is a part of device tree bindings for Maxim MAX14577/MAX77836 MicroUSB
17 includes voltage safeout regulators, charger and MicroUSB management IC.
19 The Maxim MAX77836 is a MicroUSB and Companion Power Management IC which
20 includes voltage safeout and LDO regulators, charger, fuel-gauge and MicroUSB
26 - maxim,max14577
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/linux/Documentation/devicetree/bindings/power/supply/
H A Dmaxim,max14577.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Maxim MAX14577/MAX77836 MicroUSB and Companion Power Management IC Charger
10 - Krzysztof Kozlowski <krzk@kernel.org>
13 This is a part of device tree bindings for Maxim MAX14577/MAX77836 MicroUSB
22 - maxim,max14577-charger
23 - maxim,max77836-charger
25 maxim,constant-uvolt:
32 maxim,eoc-uamp:
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H A Dmaxim,max17040.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
18 - maxim,max17040
19 - maxim,max17041
20 - maxim,max17043
21 - maxim,max17044
22 - maxim,max17048
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/linux/drivers/mfd/
H A Dmax14577.c1 // SPDX-License-Identifier: GPL-2.0+
3 // max14577.c - mfd core driver for the Maxim 14577/77836
18 #include <linux/mfd/max14577-private.h>
21 * Table of valid charger currents for different Maxim chipsets.
22 * It is placed here because it is used by both charger and regulator driver.
42 * maxim_charger_calc_reg_current - Calculate register value for current
43 * @limits: constraints for charger, matching the MBCICHWRC register
54 * - is always between <limits.min, limits.max>;
55 * - is always less or equal to max_ua;
56 * - is the highest possible value;
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/linux/include/linux/mfd/
H A Dmax14577-private.h1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * max14577-private.h - Common API for the Maxim 14577/77836 internal sub chip
28 /* Slave addr = 0x4A: MUIC and Charger */
67 * Combined charger types for max14577 and max77836.
70 * However the max77836 has different two last values of STATUS2/CHGTYP.
71 * To indicate the difference enum has two additional values for max77836.
80 /* Special 1A or 2A charger */
82 /* max14577: reserved, used on max77836 */
84 /* max14577: dead-battery charing with maximum current 100mA */
87 * max77836: special charger (bias on D+/D-),
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H A Dmax14577.h1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * max14577.h - Driver for the Maxim 14577/77836
11 * MAX14577 has MUIC, Charger devices.
15 * MAX77836 has additional PMIC and Fuel-Gauge on different I2C slave
32 /* MAX77836 regulator IDs */
76 * Valid limits of current for max14577 and max77836 chargers.
/linux/drivers/power/supply/
H A Dmax14577_charger.c1 // SPDX-License-Identifier: GPL-2.0+
3 // max14577_charger.c - Battery charger driver for the Maxim 14577/77836
11 #include <linux/mfd/max14577-private.h>
17 struct power_supply *charger; member
24 * and max77836 chipsets to enum maxim_muic_charger_type.
49 struct regmap *rmap = chg->max14577->regmap; in max14577_get_charger_state()
55 * - CHGCTRL2/MBCHOSTEN == 1 in max14577_get_charger_state()
56 * - STATUS2/CGMBC == 1 in max14577_get_charger_state()
59 * - handle FULL after Top-off timer (EOC register may be off in max14577_get_charger_state()
60 * and the charger won't be charging although MBCHOSTEN is on) in max14577_get_charger_state()
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/linux/Documentation/devicetree/bindings/regulator/
H A Dmaxim,max14577.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Maxim MAX14577/MAX77836 MicroUSB and Companion Power Management IC regulators
10 - Krzysztof Kozlowski <krzk@kernel.org>
13 This is a part of device tree bindings for Maxim MAX14577/MAX77836 MicroUSB
22 - maxim,max14577-regulator
23 - maxim,max77836-regulator
25 CHARGER:
33 regulator-min-microvolt: false
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/linux/arch/arm/boot/dts/samsung/
H A Dexynos3250-monk.dts1 // SPDX-License-Identifier: GPL-2.0
12 /dts-v1/;
14 #include "exynos4412-ppmu-common.dtsi"
15 #include <dt-bindings/input/input.h>
16 #include <dt-bindings/gpio/gpio.h>
17 #include <dt-bindings/clock/samsung,s2mps11.h>
34 compatible = "samsung,secure-firmware";
38 gpio-keys {
39 compatible = "gpio-keys";
41 power-key {
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H A Dexynos3250-rinato.dts1 // SPDX-License-Identifier: GPL-2.0
12 /dts-v1/;
14 #include "exynos4412-ppmu-common.dtsi"
15 #include <dt-bindings/input/input.h>
16 #include <dt-bindings/gpio/gpio.h>
17 #include <dt-bindings/clock/samsung,s2mps11.h>
22 chassis-type = "watch";
31 stdout-path = &serial_1;
40 compatible = "samsung,secure-firmware";
44 gpio-keys {
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/linux/drivers/regulator/
H A Dmax14577-regulator.c1 // SPDX-License-Identifier: GPL-2.0+
3 // max14577.c - Regulator driver for the Maxim 14577/77836
12 #include <linux/mfd/max14577-private.h>
18 struct regmap *rmap = rdev->regmap; in max14577_reg_is_enabled()
32 return -EINVAL; in max14577_reg_is_enabled()
39 struct regmap *rmap = rdev->regmap; in max14577_reg_get_current_limit()
42 &maxim_charger_currents[max14577->dev_type]; in max14577_reg_get_current_limit()
45 return -EINVAL; in max14577_reg_get_current_limit()
50 return limits->min; in max14577_reg_get_current_limit()
54 return limits->high_start + reg_data * limits->high_step; in max14577_reg_get_current_limit()
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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
38 managed regulators and simple non-configurable regulators.
64 the netlink mechanism. User-space applications can subscribe to these events
65 for real-time updates on various regulator events.
75 They provide two I2C-controlled DC/DC step-down converters with
101 tristate "Active-semi act8865 voltage regulator"
106 This driver controls a active-semi act8865 voltage output
110 tristate "Active-semi ACT8945A voltage regulator"
113 This driver controls a active-semi ACT8945A voltage regulator
114 via I2C bus. The ACT8945A features three step-down DC/DC converters
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/linux/drivers/extcon/
H A Dextcon-max14577.c1 // SPDX-License-Identifier: GPL-2.0+
3 // extcon-max14577.c - MAX14577/77836 extcon driver to support MUIC
9 #include <linux/devm-helpers.h>
16 #include <linux/mfd/max14577-private.h>
17 #include <linux/extcon-provider.h>
47 { MAX14577_IRQ_INT1_ADC, "muic-ADC" },
48 { MAX14577_IRQ_INT1_ADCLOW, "muic-ADCLOW" },
49 { MAX14577_IRQ_INT1_ADCERR, "muic-ADCError" },
50 { MAX14577_IRQ_INT2_CHGTYP, "muic-CHGTYP" },
51 { MAX14577_IRQ_INT2_CHGDETRUN, "muic-CHGDETRUN" },
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