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/openbmc/u-boot/doc/driver-model/
H A Dpmic-framework.txt2 # (C) Copyright 2014-2015 Samsung Electronics
5 # SPDX-License-Identifier: GPL-2.0+
8 PMIC framework based on Driver Model
13 3. Pmic uclass
18 This is an introduction to driver-model multi uclass PMIC IC's support.
20 - UCLASS_PMIC - basic uclass type for PMIC I/O, which provides common
22 - UCLASS_REGULATOR - additional uclass type for specific PMIC features,
27 - drivers/power/pmic/pmic-uclass.c
28 - include/power/pmic.h
30 - drivers/power/regulator/regulator-uclass.c
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/openbmc/linux/Documentation/devicetree/bindings/mfd/
H A Dmax8998.txt1 * Maxim MAX8998, National/TI LP3974 multi-function device
3 The Maxim MAX8998 is a multi-function device which includes voltage/current
5 other sub-blocks. It is interfaced using an I2C interface. Each sub-block
8 PMIC sub-block
9 --------------
11 The PMIC sub-block contains a number of voltage and current regulators,
17 - compatible: Should be one of the following:
18 - "maxim,max8998" for Maxim MAX8998
19 - "national,lp3974" or "ti,lp3974" for National/TI LP3974.
20 - reg: Specifies the i2c slave address of the pmic block. It should be 0x66.
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H A Dhi6421.txt1 * HI6421 Multi-Functional Device (MFD), by HiSilicon Ltd.
4 - compatible : One of the following chip-specific strings:
5 "hisilicon,hi6421-pmic";
6 "hisilicon,hi6421v530-pmic";
7 - reg : register range space of hi6421;
9 Supported Hi6421 sub-devices include:
12 ------ --------- ------------ -----------
20 compatible = "hisilicon,hi6421-pmic";
26 regulator-name = "VOUT0";
27 regulator-min-microvolt = <2850000>;
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H A Dti,tps6594.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Julien Panis <jpanis@baylibre.com>
15 PFSM (Pre-configurable Finite State Machine) managing the state of the device.
16 TPS6594 is the super-set device while TPS6593 and LP8764 are derivatives.
21 - ti,lp8764-q1
22 - ti,tps6593-q1
23 - ti,tps6594-q1
29 ti,primary-pmic:
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H A Dqcom-pm8xxx.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mfd/qcom-pm8xxx.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm PM8xxx PMIC multi-function devices
10 - Satya Priya <quic_c_skakit@quicinc.com>
19 - enum:
20 - qcom,pm8058
21 - qcom,pm8821
22 - qcom,pm8921
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H A Dqcom,spmi-pmic.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/mfd/qcom,spmi-pmic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm SPMI PMICs multi-function device
13 16-bit SPMI peripheral address space into 256 smaller fixed-size regions, 256 bytes
14 each. A function can consume one or more of these fixed-size register regions.
24 - Stephen Boyd <sboyd@kernel.org>
29 - pattern: '^pmic@.*$'
30 - pattern: '^pm(a|s)?[0-9]*@.*$'
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/openbmc/linux/Documentation/devicetree/bindings/rtc/
H A Drtc-mt6397.txt1 Device-Tree bindings for MediaTek PMIC based RTC
3 MediaTek PMIC based RTC is an independent function of MediaTek PMIC that works
4 as a type of multi-function device (MFD). The RTC can be configured and set up
5 with PMIC wrapper bus which is a common resource shared with the other
6 functions found on the same PMIC.
8 For MediaTek PMIC MFD bindings, see:
11 For MediaTek PMIC wrapper bus bindings, see:
15 - compatible: Should be one of follows
16 "mediatek,mt6323-rtc": for MT6323 PMIC
17 "mediatek,mt6358-rtc": for MT6358 PMIC
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/openbmc/linux/drivers/usb/typec/tcpm/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
4 tristate "USB Type-C Port Controller Manager"
9 The Type-C Port Controller Manager provides a USB PD and USB Type-C
10 state machine for use with Type-C Port Controllers.
15 tristate "Type-C Port Controller Interface driver"
19 Type-C Port Controller driver for TCPCI-compliant controller.
24 tristate "Richtek RT1711H Type-C chip driver"
26 Richtek RT1711H Type-C chip driver that works with
27 Type-C Port Controller Manager to provide USB PD and USB
28 Type-C functionalities.
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/openbmc/linux/drivers/regulator/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
38 managed regulators and simple non-configurable regulators.
65 They provide two I2C-controlled DC/DC step-down converters with
85 tristate "Active-semi act8865 voltage regulator"
90 This driver controls a active-semi act8865 voltage output
94 tristate "Active-semi ACT8945A voltage regulator"
97 This driver controls a active-semi ACT8945A voltage regulator
98 via I2C bus. The ACT8945A features three step-down DC/DC converters
99 and four low-dropout linear regulators, along with a ActivePath
110 tristate "Freescale i.MX on-chip ANATOP LDO regulators"
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/openbmc/u-boot/doc/
H A DREADME.power-framework5 # SPDX-License-Identifier: GPL-2.0+
9 ------------
11 This document describes the second version of the u-boot's PMIC (Power
16 ----------
18 Boards supported by u-boot are getting increasingly complex. Developers and
20 devices are now available on the board - namely power managers (PMIC), fuel
21 gauges (FG), micro USB interface controllers (MUIC), batteries, multi-function
25 -----------------------------------
27 One package can integrate PMIC and MUIC with different addresses on the I2C bus.
28 The same device - e.g. MAX8997 uses two different I2C busses and addresses.
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/openbmc/linux/drivers/mfd/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
45 tristate "Active-semi ACT8945A"
50 Support for the ACT8945A PMIC from Active-semi. This device
51 features three step-down DC/DC converters and four low-dropout
67 sun4i-gpadc-iio and the hwmon driver iio_hwmon.
70 called sun4i-gpadc.
79 Support for the AS3711 PMIC from AMS
101 tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down
106 bool "Analog Devices ADP5520/01 MFD PMIC Core Support"
132 over at91-usart-serial driver and usart-spi-driver. Only one function
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H A Dact8945a.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * MFD driver for Active-semi ACT8945a PMIC
18 .name = "act8945a-regulator",
21 .name = "act8945a-charger",
22 .of_compatible = "active-semi,act8945a-charger",
39 dev_err(&i2c->dev, "regmap init failed: %d\n", ret); in act8945a_i2c_probe()
45 ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_NONE, in act8945a_i2c_probe()
49 dev_err(&i2c->dev, "Failed to add sub devices\n"); in act8945a_i2c_probe()
63 { .compatible = "active-semi,act8945a", },
89 MODULE_DESCRIPTION("ACT8945A PMIC multi-function driver");
H A Dtps65217.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * TPS65217 chip family multi-function driver
7 * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
40 mutex_lock(&tps->irq_lock); in tps65217_irq_lock()
49 tps->irq_mask, TPS65217_PROTECT_NONE); in tps65217_irq_sync_unlock()
51 dev_err(tps->dev, "Failed to sync IRQ masks\n"); in tps65217_irq_sync_unlock()
53 mutex_unlock(&tps->irq_lock); in tps65217_irq_sync_unlock()
59 u8 mask = BIT(data->hwirq) << TPS65217_INT_SHIFT; in tps65217_irq_enable()
61 tps->irq_mask &= ~mask; in tps65217_irq_enable()
67 u8 mask = BIT(data->hwirq) << TPS65217_INT_SHIFT; in tps65217_irq_disable()
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H A Dmax77686.c1 // SPDX-License-Identifier: GPL-2.0+
3 // max77686.c - mfd core driver for the Maxim 77686/802
20 #include <linux/mfd/max77686-private.h>
25 { .name = "max77686-pmic", },
26 { .name = "max77686-rtc", },
27 { .name = "max77686-clk", },
31 { .name = "max77802-pmic", },
32 { .name = "max77802-clk", },
33 { .name = "max77802-rtc", },
110 .name = "max77802-pmic",
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/openbmc/u-boot/tools/dtoc/
H A Ddtoc_test_simple.dts1 // SPDX-License-Identifier: GPL-2.0+
8 /dts-v1/;
11 #address-cells = <1>;
12 #size-cells = <1>;
13 spl-test {
14 u-boot,dm-pre-reloc;
15 compatible = "sandbox,spl-test";
23 stringarray = "multi-word", "message";
27 spl-test2 {
28 u-boot,dm-pre-reloc;
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/openbmc/u-boot/include/power/
H A Dpmic.h1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2014-2015 Samsung Electronics
6 * Copyright (C) 2011-2012 Samsung Electronics
45 struct pmic;
47 int (*fg_battery_check) (struct pmic *p, struct pmic *bat);
48 int (*fg_battery_update) (struct pmic *p, struct pmic *bat);
52 int (*chrg_type) (struct pmic *p);
53 int (*chrg_bat_present) (struct pmic *p);
54 int (*chrg_state) (struct pmic *p, int state, int current);
59 int (*battery_init) (struct pmic *bat, struct pmic *p1,
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/openbmc/linux/Documentation/devicetree/bindings/regulator/
H A Drenesas,raa215300.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Renesas RAA215300 Power Management Integrated Circuit (PMIC)
10 - Biju Das <biju.das.jz@bp.renesas.com>
13 The RAA215300 is a high-performance, low-cost 9-channel PMIC designed for
14 32-bit and 64-bit MCU and MPU applications. It supports DDR3, DDR3L, DDR4,
16 built-in Real-Time Clock (RTC), 32kHz crystal oscillator, and coin cell
18 ideal for System-On-Module (SOM) applications. A spread spectrum feature
19 provides an ease-of-use solution for noise-sensitive audio or RF applications.
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/openbmc/linux/Documentation/devicetree/bindings/input/
H A Dmediatek,pmic-keys.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/mediatek,pmic-keys.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MediaTek PMIC Keys
10 - Chen Zhong <chen.zhong@mediatek.com>
13 - $ref: input.yaml#
19 by the PMIC that is defined as a Multi-Function Device (MFD).
21 For MediaTek MT6323/MT6397 PMIC bindings see
27 - mediatek,mt6323-keys
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/openbmc/linux/drivers/leds/rgb/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
6 tristate "LEDs group multi-color support"
11 different colors are physically grouped in a single multi-color LED
12 and driven by a controller that doesn't have multi-color support.
15 will be called leds-group-multicolor.
18 tristate "PWM driven multi-color LED Support"
25 will be called leds-pwm-multicolor.
39 If compiled as a module, the module will be named leds-qcom-lpg.
42 tristate "LED Support for MediaTek MT6370 PMIC"
47 In MT6370, there are four channel current-sink LED drivers that
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/openbmc/linux/Documentation/devicetree/bindings/pinctrl/
H A Dqcom,pmic-mpp.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/qcom,pmic-mpp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm PMIC Multi-Purpose Pin (MPP) block
10 - Bjorn Andersson <bjorn.andersson@linaro.org>
14 PMIC's from Qualcomm.
19 - items:
20 - enum:
21 - qcom,pm8019-mpp
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/openbmc/u-boot/drivers/power/pmic/
H A DKconfig2 bool "Enable Driver Model for PMIC drivers (UCLASS_PMIC)"
4 ---help---
5 This config enables the driver-model PMIC support.
6 UCLASS_PMIC - designed to provide an I/O interface for PMIC devices.
7 For the multi-function PMIC devices, this can be used as parent I/O
10 - 'drivers/power/pmic/pmic-uclass.c'
11 - 'include/power/pmic.h'
17 ---help---
21 U-Boot proper.
27 ---help---
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H A Dpmic_tps62362.c1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2014 Texas Instruments Incorporated - http://www.ti.com
10 #include <power/pmic.h>
18 * tps62362_voltage_update() - Function to change a voltage level, as this
19 * is a multi-step process.
33 return -ENODEV; in tps62362_voltage_update()
42 struct pmic *p = pmic_alloc(); in power_tps62362_init()
46 return -ENOMEM; in power_tps62362_init()
49 p->name = name; in power_tps62362_init()
50 p->interface = PMIC_I2C; in power_tps62362_init()
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H A Dpmic_tps65218.c1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2011-2013
10 #include <power/pmic.h>
29 * tps65218_reg_write() - Generic function that can write a TPS65218 PMIC
97 return -ENODEV; in tps65218_reg_read()
116 return -ENODEV; in tps65218_reg_write()
160 * tps65218_voltage_update() - Function to change a voltage level, as this
161 * is a multi-step process.
187 * tps65218_toggle_fseal() - Perform the sequence that toggles the FSEAL bit.
189 * @return: 0 on success, -EBADE if the sequence was broken
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/openbmc/u-boot/drivers/power/regulator/
H A DKconfig4 ---help---
6 UCLASS_REGULATOR - designed to provide a common API for basic regulator's
10 - 'include/power/pmic.h'
11 - 'include/power/regulator.h'
12 - 'drivers/power/pmic/pmic-uclass.c'
13 - 'drivers/power/pmic/regulator-uclass.c'
16 for this purpose if PMIC I/O driver is implemented or dm_scan_fdt_dev()
22 ---help---
24 code space can be saved by accessing the PMIC registers directly.
31 ---help---
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/openbmc/linux/Documentation/devicetree/bindings/
H A Dtrivial-devices.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/trivial-devices.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <robh@kernel.org>
27 spi-ma
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