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/OK3568_Linux_fs/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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/OK3568_Linux_fs/kernel/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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/OK3568_Linux_fs/kernel/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.c22 #include "prm-regbits-34xx.h"
23 #include "prm-regbits-44xx.h"
55 * struct omap_vc_channel_cfg - describe the cfg_channel bitfield
104 * omap_vc_config_channel - configure VC channel to PMIC mappings
107 * Configures the VC channel to PMIC mappings for the following
108 * PMIC settings
109 * - i2c slave address (SA)
110 * - voltage configuration address (RAV)
111 * - command configuration address (RAC) and enable bit (RACEN)
112 * - command values for ON, ONLP, RET and OFF (CMD)
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/OK3568_Linux_fs/kernel/drivers/mfd/
H A Dda9055-i2c.c1 // SPDX-License-Identifier: GPL-2.0-or-later
24 da9055 = devm_kzalloc(&i2c->dev, sizeof(struct da9055), GFP_KERNEL); in da9055_i2c_probe()
26 return -ENOMEM; in da9055_i2c_probe()
28 da9055->regmap = devm_regmap_init_i2c(i2c, &da9055_regmap_config); in da9055_i2c_probe()
29 if (IS_ERR(da9055->regmap)) { in da9055_i2c_probe()
30 ret = PTR_ERR(da9055->regmap); in da9055_i2c_probe()
31 dev_err(&i2c->dev, "Failed to allocate register map: %d\n", in da9055_i2c_probe()
36 da9055->dev = &i2c->dev; in da9055_i2c_probe()
37 da9055->chip_irq = i2c->irq; in da9055_i2c_probe()
54 * 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
44 tristate "Active-semi ACT8945A"
49 Support for the ACT8945A PMIC from Active-semi. This device
50 features three step-down DC/DC converters and four low-dropout
66 sun4i-gpadc-iio and the hwmon driver iio_hwmon.
69 called sun4i-gpadc.
78 Support for the AS3711 PMIC from AMS
88 tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down
93 bool "Analog Devices ADP5520/01 MFD PMIC Core Support"
119 over at91-usart-serial driver and usart-spi-driver. Only one function
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/OK3568_Linux_fs/kernel/drivers/staging/hikey9xx/
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 drivers/staging/hikey9xx/hisilicon,hi6421-spmi-pmic.yaml.
21 pattern: "spmi@[0-9a-f]"
24 const: hisilicon,kirin970-spmi-controller
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H A Dhi6421v600-regulator.c1 // SPDX-License-Identifier: GPL-2.0
24 #include <linux/mfd/hi6421-spmi-pmic.h>
41 pr_debug("%s: %s: " fmt, (rdev)->desc->name, __func__, ##arg)
45 struct hi6421_spmi_pmic *pmic; member
59 struct hi6421_spmi_pmic *pmic = sreg->pmic; in hi6421_spmi_regulator_is_enabled() local
62 reg_val = hi6421_spmi_pmic_read(pmic, rdev->desc->enable_reg); in hi6421_spmi_regulator_is_enabled()
66 rdev->desc->enable_reg, in hi6421_spmi_regulator_is_enabled()
67 reg_val, (reg_val & rdev->desc->enable_mask)); in hi6421_spmi_regulator_is_enabled()
69 return ((reg_val & rdev->desc->enable_mask) != 0); in hi6421_spmi_regulator_is_enabled()
75 struct hi6421_spmi_pmic *pmic = sreg->pmic; in hi6421_spmi_regulator_enable() local
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/OK3568_Linux_fs/u-boot/include/power/
H A Dpmic.h2 * Copyright (C) 2014-2015 Samsung Electronics
5 * Copyright (C) 2011-2012 Samsung Electronics
8 * SPDX-License-Identifier: GPL-2.0+
46 struct pmic;
48 int (*fg_battery_check) (struct pmic *p, struct pmic *bat);
49 int (*fg_battery_update) (struct pmic *p, struct pmic *bat);
53 int (*chrg_type) (struct pmic *p);
54 int (*chrg_bat_present) (struct pmic *p);
55 int (*chrg_state) (struct pmic *p, int state, int current);
60 int (*battery_init) (struct pmic *bat, struct pmic *p1,
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/OK3568_Linux_fs/u-boot/board/toradex/apalis-tk1/
H A Das3722_init.c2 * Copyright (c) 2012-2016 Toradex, Inc.
4 * 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()
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/OK3568_Linux_fs/u-boot/board/nvidia/venice2/
H A Das3722_init.c5 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/arch-tegra/tegra_i2c.h>
13 /* AS3722-PMIC-specific early init code - get CPU rails up, etc */
19 writel(addr, &reg->cmd_addr0); in tegra_i2c_ll_write_addr()
20 writel(config, &reg->cnfg); in tegra_i2c_ll_write_addr()
27 writel(data, &reg->cmd_data1); in tegra_i2c_ll_write_data()
28 writel(config, &reg->cnfg); in tegra_i2c_ll_write_data()
38 /* Configure VDD_CORE via the AS3722 PMIC on the PWR I2C bus */ in pmic_enable_cpu_vdd()
42 * Don't write SDCONTROL - it's already 0x7F, i.e. all SDs enabled. in pmic_enable_cpu_vdd()
50 * Bring up VDD_CPU via the AS3722 PMIC on the PWR I2C bus. in pmic_enable_cpu_vdd()
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/OK3568_Linux_fs/kernel/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 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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/OK3568_Linux_fs/kernel/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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/OK3568_Linux_fs/kernel/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
94 tristate "Sharp SL-6000 LCD Driver"
97 If you have an Sharp SL-6000 Zaurus say Y to enable a driver
125 tristate "Himax HX-8357 LCD Driver"
128 If you have a HX-8357 LCD panel, say Y to enable its LCD control
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/OK3568_Linux_fs/kernel/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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/OK3568_Linux_fs/kernel/drivers/pinctrl/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
35 bool "Axis ARTPEC-6 pin controller driver"
40 This is the driver for the Axis ARTPEC-6 pin controller. This driver
43 found in Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt
46 tristate "Pinctrl and GPIO driver for ams AS3722 PMIC"
52 functionality. This driver supports the pinmux, push-pull and
57 tristate "X-Powers AXP209 PMIC pinctrl and GPIO Support"
68 Say yes to enable pinctrl and GPIO support for the AXP209 PMIC
122 tristate "TI DA850/OMAP-L138/AM18XX pullup/pulldown groups"
127 Driver for TI DA850/OMAP-L138/AM18XX pinconf. Used to control
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/OK3568_Linux_fs/kernel/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()
55 dev_err(mtherm->dev, "Failed to read STATLBT: %d\n", ret); in max77620_thermal_read_temp()
77 if (irq == mtherm->irq_tjalarm1) in max77620_thermal_irq()
78 dev_warn(mtherm->dev, "Junction Temp Alarm1(120C) occurred\n"); in max77620_thermal_irq()
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/OK3568_Linux_fs/kernel/drivers/usb/typec/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
4 tristate "USB Type-C Support"
6 USB Type-C Specification defines a cable and connector for USB where
8 be Type-A plug on one end of the cable and Type-B plug on the other.
9 Determination of the host-to-device relationship happens through a
10 specific Configuration Channel (CC) which goes through the USB Type-C
12 Accessory Modes - Analog Audio and Debug - and if USB Power Delivery
22 USB Type-C connector, however it is mostly used together with USB
23 Type-C connectors.
25 USB Type-C and USB Power Delivery Specifications define a set of state
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/OK3568_Linux_fs/u-boot/board/compulab/cm_t43/
H A Dcm_t43.c4 * SPDX-License-Identifier: GPL-2.0+
14 #include <power/pmic.h>
24 /* setup board specific PMIC */
27 struct pmic *p; in power_init_board()
33 puts("PMIC: TPS65218\n"); in power_init_board()
46 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; in board_init()
121 if (phydev->drv->config) in board_phy_config()
122 return phydev->drv->config(phydev); in board_phy_config()
156 writel(RGMII_MODE_ENABLE | RGMII_INT_DELAY, &cdev->miisel); in board_eth_init()
/OK3568_Linux_fs/kernel/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.
76 This option enables support for the AN30259A 3-channel
80 will be called leds-an30259a.
90 If you're looking for APU2/3, use the pcengines-apu2 driver.
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/OK3568_Linux_fs/kernel/drivers/acpi/
H A Dac.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * acpi_ac.c - ACPI AC Adapter Driver ($Revision: 27 $)
54 /* Lists of PMIC ACPI HIDs with an (often better) native charger driver */
56 { "INT33F4", -1 }, /* X-Powers AXP288 PMIC */
57 { "INT34D3", 3 }, /* Intel Cherrytrail Whiskey Cove PMIC */
92 /* --------------------------------------------------------------------------
94 -------------------------------------------------------------------------- */
101 return -EINVAL; in acpi_ac_get_state()
104 ac->state = 1; in acpi_ac_get_state()
108 status = acpi_evaluate_integer(ac->device->handle, "_PSR", NULL, in acpi_ac_get_state()
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/OK3568_Linux_fs/u-boot/cmd/
H A DKconfig4 bool "Support U-Boot commands"
7 Enable U-Boot's command-line functions. This provides a means
8 to enter commands into U-Boot for a wide variety of purposes. It
12 substantially to the size of U-Boot.
37 This function is used to support some special U-Boot commands with
50 bool "Stop autobooting via specific input key / string"
54 boot feature only by issuing a specific input key or
56 U-Boot automatic booting process and bring the device
57 to the U-Boot prompt for user input.
81 string "Delay autobooting via specific input key / string"
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/OK3568_Linux_fs/kernel/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.
175 * test_cond_timeout - busy-loop, testing a condition
196 * struct omap_sr_pmic_data - Strucutre to be populated by pmic code to pass
197 * pmic specific info to smartreflex driver
199 * @sr_pmic_init: API to initialize smartreflex on the PMIC side.
206 * struct omap_smartreflex_dev_attr - Smartreflex Device attribute.
225 * struct omap_sr_class_data - Smartreflex class driver info
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/OK3568_Linux_fs/kernel/drivers/regulator/
H A Dmcp16502.c1 // SPDX-License-Identifier: GPL-2.0
3 // MCP16502 PMIC driver
9 // Inspired from tps65086-regulator.c
29 * The PMIC has four sets of registers corresponding to four power modes:
30 * Performance, Active, Low-power, Hibernate.
34 * for a specific regulator and mode BASE_* and OFFSET_* need to be added.
37 * In order for the PMIC to transition to operating modes it has to be
41 * a low-power state while the PMIC is in Active mode. They are supposed to be
42 * configured at startup and then simply transition to/from a global low-power
45 * This driver keeps the PMIC in Active mode, Low-power state is set for the
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