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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
[all …]
/openbmc/linux/arch/x86/include/asm/
H A Diosf_mbi.h1 /* SPDX-License-Identifier: GPL-2.0 */
63 * iosf_mbi_read() - MailBox Interface read command
65 * @opcode: port specific read or write opcode
69 * Locking is handled by spinlock - cannot sleep.
75 * iosf_mbi_write() - MailBox unmasked write command
77 * @opcode: port specific read or write opcode
81 * Locking is handled by spinlock - cannot sleep.
87 * iosf_mbi_modify() - MailBox masked write command
89 * @opcode: port specific read or write opcode
94 * Locking is handled by spinlock - cannot sleep.
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/openbmc/linux/drivers/mfd/
H A Dda9055-i2c.c1 // SPDX-License-Identifier: GPL-2.0-or-later
22 da9055 = devm_kzalloc(&i2c->dev, sizeof(struct da9055), GFP_KERNEL); in da9055_i2c_probe()
24 return -ENOMEM; in da9055_i2c_probe()
26 da9055->regmap = devm_regmap_init_i2c(i2c, &da9055_regmap_config); in da9055_i2c_probe()
27 if (IS_ERR(da9055->regmap)) { in da9055_i2c_probe()
28 ret = PTR_ERR(da9055->regmap); in da9055_i2c_probe()
29 dev_err(&i2c->dev, "Failed to allocate register map: %d\n", in da9055_i2c_probe()
34 da9055->dev = &i2c->dev; in da9055_i2c_probe()
35 da9055->chip_irq = i2c->irq; in da9055_i2c_probe()
50 * DO NOT change the device Ids. The naming is intentionally specific as both
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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 Dmax14577.c1 // SPDX-License-Identifier: GPL-2.0+
3 // max14577.c - mfd core driver for the Maxim 14577/77836
17 #include <linux/mfd/max14577-private.h>
41 * maxim_charger_calc_reg_current - Calculate register value for current
53 * - is always between <limits.min, limits.max>;
54 * - is always less or equal to max_ua;
55 * - is the highest possible value;
56 * - may be lower than min_ua.
58 * On success returns 0. On error returns -EINVAL (requested min/max current
67 return -EINVAL; in maxim_charger_calc_reg_current()
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/openbmc/linux/arch/arm/mach-omap2/
H A Dvoltage.h1 /* SPDX-License-Identifier: GPL-2.0-only */
16 #include <linux/platform_data/voltage-omap.h>
25 * passed from board or PMIC file
32 * struct omap_vfsm_instance - per-voltage manager FSM register/bitfield
47 * struct voltagedomain - omap voltage domain global structure.
55 * @read: read-modify-write a VC/VP register
69 struct omap_voltdm_pmic *pmic; member
73 /* VC/VP register access functions: SoC specific */
109 * struct omap_voltdm_pmic - PMIC specific data required by voltage driver.
110 * @slew_rate: PMIC slew rate (in uv/us)
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H A Dvoltage.c1 // SPDX-License-Identifier: GPL-2.0-only
29 #include "prm-regbits-34xx.h"
30 #include "prm-regbits-44xx.h"
46 * voltdm_get_voltage() - Gets the current non-auto-compensated voltage
49 * API to get the current non-auto-compensated voltage for a voltage domain.
59 return voltdm->nominal_volt; in voltdm_get_voltage()
63 * voltdm_scale() - API to scale voltage of a particular voltage domain.
78 return -EINVAL; in voltdm_scale()
81 if (!voltdm->scale) { in voltdm_scale()
83 __func__, voltdm->name); in voltdm_scale()
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H A Dvc.c1 // SPDX-License-Identifier: GPL-2.0-only
19 #include "prm-regbits-34xx.h"
20 #include "prm-regbits-44xx.h"
52 * struct omap_vc_channel_cfg - describe the cfg_channel bitfield
101 * omap_vc_config_channel - configure VC channel to PMIC mappings
104 * Configures the VC channel to PMIC mappings for the following
105 * PMIC settings
106 * - i2c slave address (SA)
107 * - voltage configuration address (RAV)
108 * - command configuration address (RAC) and enable bit (RACEN)
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/openbmc/linux/Documentation/devicetree/bindings/spmi/
H A Dhisilicon,hisi-spmi-controller.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/spmi/hisilicon,hisi-spmi-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
13 The HiSilicon SPMI BUS controller is found on some Kirin-based designs.
16 The PMIC part is provided by
17 Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml.
20 - $ref: spmi.yaml#
25 pattern: "spmi@[0-9a-f]"
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/openbmc/linux/Documentation/devicetree/bindings/mfd/
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 Dmax77620.txt4 -------------------
5 - compatible: Must be one of
9 - reg: I2C device address.
12 -------------------
13 - interrupts: The interrupt on the parent the controller is
15 - interrupt-controller: Marks the device node as an interrupt controller.
16 - #interrupt-cells: is <2> and their usage is compliant to the 2 cells
17 variant of <../interrupt-controller/interrupts.txt>
19 are defined at dt-bindings/mfd/max77620.h.
21 - system-power-controller: Indicates that this PMIC is controlling the
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/openbmc/u-boot/board/nvidia/venice2/
H A Das3722_init.c1 // SPDX-License-Identifier: GPL-2.0+
9 #include <asm/arch-tegra/tegra_i2c.h>
12 /* AS3722-PMIC-specific early init code - get CPU rails up, etc */
18 writel(addr, &reg->cmd_addr0); in tegra_i2c_ll_write_addr()
19 writel(config, &reg->cnfg); in tegra_i2c_ll_write_addr()
26 writel(data, &reg->cmd_data1); in tegra_i2c_ll_write_data()
27 writel(config, &reg->cnfg); in tegra_i2c_ll_write_data()
37 /* Configure VDD_CORE via the AS3722 PMIC on the PWR I2C bus */ in pmic_enable_cpu_vdd()
41 * Don't write SDCONTROL - it's already 0x7F, i.e. all SDs enabled. in pmic_enable_cpu_vdd()
49 * Bring up VDD_CPU via the AS3722 PMIC on the PWR I2C bus. in pmic_enable_cpu_vdd()
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/openbmc/u-boot/board/toradex/apalis-tk1/
H A Das3722_init.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2012-2016 Toradex, Inc.
8 #include <asm/arch-tegra/tegra_i2c.h>
11 /* AS3722-PMIC-specific early init code - get CPU rails up, etc */
17 writel(addr, &reg->cmd_addr0); in tegra_i2c_ll_write_addr()
18 writel(config, &reg->cnfg); in tegra_i2c_ll_write_addr()
25 writel(data, &reg->cmd_data1); in tegra_i2c_ll_write_data()
26 writel(config, &reg->cnfg); in tegra_i2c_ll_write_data()
36 /* Configure VDD_CORE via the AS3722 PMIC on the PWR I2C bus */ in pmic_enable_cpu_vdd()
40 * Don't write SDCONTROL - it's already 0x7F, i.e. all SDs enabled. in pmic_enable_cpu_vdd()
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/openbmc/linux/drivers/platform/x86/intel/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # Intel x86 Platform Specific Drivers
15 source "drivers/platform/x86/intel/uncore-frequency/Kconfig"
79 Select this driver to use Intel Broxton Whiskey Cove PMIC TMU feature.
81 Whiskey Cove PMIC.
99 PMIC on Intel Cherry Trail devices.
115 resources for a MAX17042 Fuel Gauge, FUSB302 USB Type-C Controller
117 This driver instantiates i2c-clients for these, so that standard
129 This driver is for accessing the PSE (Programmable Service Engine) -
130 an Embedded Controller like IP - using ISHTP (Integrated Sensor Hub
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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/rtc/
H A Disil,isl12057.txt8 ("wakeup-source") to handle the specific use-case found
9 on at least three in-tree users of the chip (NETGEAR ReadyNAS 102, 104
10 and 2120 ARM-based NAS); On those devices, the IRQ#2 pin of the chip
12 to the SoC but to a PMIC. It allows the device to be powered up when
14 get access to the 'wakealarm' sysfs entry, this specific property can
20 - "compatible": must be "isil,isl12057"
21 - "reg": I2C bus address of the device
25 - "wakeup-source": mark the chip as a wakeup source, independently of
38 that the pinctrl-related properties below are given for completeness and
41 "interrupt-parent" and "interrupts" are usually sufficient):
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/openbmc/linux/drivers/acpi/pmic/
H A Dintel_pmic.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * intel_pmic.c - Intel PMIC operation region driver
47 return -ENOENT; in pmic_get_reg_bit()
55 struct regmap *regmap = opregion->regmap; in intel_pmic_power_handler()
56 const struct intel_pmic_opregion_data *d = opregion->data; in intel_pmic_power_handler()
65 result = pmic_get_reg_bit(address, d->power_table, in intel_pmic_power_handler()
66 d->power_table_count, &reg, &bit); in intel_pmic_power_handler()
67 if (result == -ENOENT) in intel_pmic_power_handler()
70 mutex_lock(&opregion->lock); in intel_pmic_power_handler()
73 d->get_power(regmap, reg, bit, value64) : in intel_pmic_power_handler()
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/openbmc/linux/drivers/video/backlight/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
14 This framework adds support for low-level control of LCD.
15 Some framebuffer devices connect to platform-specific LCD modules
16 in order to have a platform-specific way to control the flat panel
19 To have support for your specific LCD panel you will have to
90 This driver provides a platform-device registered LCD power
118 tristate "Himax HX-8357 LCD Driver"
121 If you have a HX-8357 LCD panel, say Y to enable its LCD control
139 This framework adds support for low-level control of the LCD
142 To have support for your specific LCD panel you will have to
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/openbmc/linux/drivers/thermal/
H A Dmax77620_thermal.c1 // SPDX-License-Identifier: GPL-2.0-only
34 * max77620_thermal_read_temp: Read PMIC die temperatue.
35 * @data: Device specific data.
38 * The actual temperature of PMIC die is not available from PMIC.
39 * PMIC only tells the status if it has crossed or not the threshold level
42 * else 120degC or 140deG based on the PMIC die temp threshold status.
53 ret = regmap_read(mtherm->rmap, MAX77620_REG_STATLBT, &val); in max77620_thermal_read_temp()
75 if (irq == mtherm->irq_tjalarm1) in max77620_thermal_irq()
76 dev_warn(mtherm->dev, "Junction Temp Alarm1(120C) occurred\n"); in max77620_thermal_irq()
77 else if (irq == mtherm->irq_tjalarm2) in max77620_thermal_irq()
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/openbmc/u-boot/board/compulab/cm_t43/
H A Dcm_t43.c1 // SPDX-License-Identifier: GPL-2.0+
13 #include <power/pmic.h>
23 /* setup board specific PMIC */
26 struct pmic *p; in power_init_board()
32 puts("PMIC: TPS65218\n"); in power_init_board()
45 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; in board_init()
120 if (phydev->drv->config) in board_phy_config()
121 return phydev->drv->config(phydev); in board_phy_config()
155 writel(RGMII_MODE_ENABLE | RGMII_INT_DELAY, &cdev->miisel); in board_eth_init()
/openbmc/linux/drivers/acpi/x86/
H A Dutils.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * Based on various non upstream patches to support the CHT Whiskey Cove PMIC:
8 * Copyright (C) 2013-2015 Intel Corporation. All rights reserved.
18 #include <asm/intel-family.h>
22 * Some ACPI devices are hidden (status == 0x0) in recent BIOS-es because
26 * Some BIOS-es (temporarily) hide specific APCI devices to work around Windows
29 * Likewise sometimes some not-actually present devices are sometimes
36 * This status overriding is limited to specific CPU (SoC) models both to
38 * are re-used on different SoCs for completely different devices.
108 * but it is. In the 67000+ DMI decode dumps from linux-hardware.org
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/openbmc/linux/drivers/leds/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
28 It wraps LED Class and adds flash LEDs specific sysfs attributes
38 It wraps LED class and adds multicolor LED specific sysfs attributes
50 See Documentation/ABI/testing/sysfs-class-led for details.
55 tristate "LED Support for Marvell 88PM860x PMIC"
59 This option enables support for on-chip LED drivers found on Marvell
60 Semiconductor 88PM8606 PMIC.
66 This option enables support for the AN30259A 3-channel
70 will be called leds-an30259a.
80 If you're looking for APU2/3, use the pcengines-apu2 driver.
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/openbmc/linux/include/linux/power/
H A Dsmartreflex.h1 /* SPDX-License-Identifier: GPL-2.0 */
23 #include <linux/platform_data/voltage-omap.h>
129 * 3430 specific values. Maybe these should be passed from board file or
130 * pmic structures.
177 * test_cond_timeout - busy-loop, testing a condition
198 * struct omap_sr_pmic_data - Strucutre to be populated by pmic code to pass
199 * pmic specific info to smartreflex driver
201 * @sr_pmic_init: API to initialize smartreflex on the PMIC side.
208 * struct omap_smartreflex_dev_attr - Smartreflex Device attribute.
227 * struct omap_sr_class_data - Smartreflex class driver info
[all …]
/openbmc/linux/include/dt-bindings/regulator/
H A Dactive-semi,8865-regulator.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Device Tree binding constants for the ACT8865 PMIC regulators
12 * ACT8865_REGULATOR_MODE_FIXED: It is specific to DCDC regulators and it
13 * specifies the usage of fixed-frequency
16 * ACT8865_REGULATOR_MODE_NORMAL: It is specific to LDO regulators and it
20 * the usage of proprietary power-saving
H A Dactive-semi,8945a-regulator.h1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Device Tree binding constants for the ACT8945A PMIC regulators
14 * ACT8945A_REGULATOR_MODE_FIXED: It is specific to DCDC regulators and it
15 * specifies the usage of fixed-frequency
18 * ACT8945A_REGULATOR_MODE_NORMAL: It is specific to LDO regulators and it
22 * the usage of proprietary power-saving

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