Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

Open Menu /drivers/regulator/mc13xxx.h 
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * mc13xxx.h - regulators for the Freescale mc13xxx PMIC
 *
 *  Copyright (C) 2010 Yong Shen <yong.shen@linaro.org>
 */

#ifndef __LINUX_REGULATOR_MC13XXX_H
#define __LINUX_REGULATOR_MC13XXX_H

#include <linux/regulator/driver.h>

struct mc13xxx_regulator {
	struct regulator_desc desc;
	int reg;
	int enable_bit;
	int vsel_reg;
	int vsel_shift;
	int vsel_mask;
};

struct mc13xxx_regulator_priv {
	struct mc13xxx *mc13xxx;
	u32 powermisc_pwgt_state;
	struct mc13xxx_regulator *mc13xxx_regulators;
	int num_regulators;
	struct regulator_dev *regulators[];
};

extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev,
		int min_uV, int max_uV, unsigned *selector);

#ifdef CONFIG_OF
extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev);
extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
	struct platform_device *pdev, struct mc13xxx_regulator *regulators,
	int num_regulators);
#else
static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
{
	return -ENODEV;
}

static inline struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
	struct platform_device *pdev, struct mc13xxx_regulator *regulators,
	int num_regulators)
{
	return NULL;
}
#endif

extern const struct regulator_ops mc13xxx_regulator_ops;
extern const struct regulator_ops mc13xxx_fixed_regulator_ops;

#define MC13xxx_DEFINE(prefix, _name, _node, _reg, _vsel_reg, _voltages, _ops)	\
	[prefix ## _name] = {				\
		.desc = {						\
			.name = #_node,					\
			.n_voltages = ARRAY_SIZE(_voltages),		\
			.volt_table =  _voltages,			\
			.ops = &_ops,			\
			.type = REGULATOR_VOLTAGE,			\
			.id = prefix ## _name,		\
			.owner = THIS_MODULE,				\
		},							\
		.reg = prefix ## _reg,				\
		.enable_bit = prefix ## _reg ## _ ## _name ## EN,	\
		.vsel_reg = prefix ## _vsel_reg,			\
		.vsel_shift = prefix ## _vsel_reg ## _ ## _name ## VSEL,\
		.vsel_mask = prefix ## _vsel_reg ## _ ## _name ## VSEL_M,\
	}

#define MC13xxx_FIXED_DEFINE(prefix, _name, _node, _reg, _voltages, _ops)	\
	[prefix ## _name] = {				\
		.desc = {						\
			.name = #_node,					\
			.n_voltages = ARRAY_SIZE(_voltages),		\
			.volt_table =  _voltages,			\
			.ops = &_ops,		\
			.type = REGULATOR_VOLTAGE,			\
			.id = prefix ## _name,		\
			.owner = THIS_MODULE,				\
		},							\
		.reg = prefix ## _reg,				\
		.enable_bit = prefix ## _reg ## _ ## _name ## EN,	\
	}

#define MC13xxx_GPO_DEFINE(prefix, _name, _node, _reg,  _voltages, _ops)	\
	[prefix ## _name] = {				\
		.desc = {						\
			.name = #_node,					\
			.n_voltages = ARRAY_SIZE(_voltages),		\
			.volt_table =  _voltages,			\
			.ops = &_ops,		\
			.type = REGULATOR_VOLTAGE,			\
			.id = prefix ## _name,		\
			.owner = THIS_MODULE,				\
		},							\
		.reg = prefix ## _reg,				\
		.enable_bit = prefix ## _reg ## _ ## _name ## EN,	\
	}

#define MC13xxx_DEFINE_SW(_name, _node, _reg, _vsel_reg, _voltages, ops) \
	MC13xxx_DEFINE(SW, _name, _node, _reg, _vsel_reg, _voltages, ops)
#define MC13xxx_DEFINE_REGU(_name, _node, _reg, _vsel_reg, _voltages, ops) \
	MC13xxx_DEFINE(REGU, _name, _node, _reg, _vsel_reg, _voltages, ops)

#endif