[people/ms/u-boot.git] / drivers / power / pmic / max8997.c

/*
 *  Copyright (C) 2016 Samsung Electronics
 *  Jaehoon Chung <jh80.chung@samsung.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <dm.h>
#include <i2c.h>
#include <power/pmic.h>
#include <power/max8997_pmic.h>
#include <errno.h>

DECLARE_GLOBAL_DATA_PTR;

static int max8997_reg_count(struct udevice *dev)
{
	return PMIC_NUM_OF_REGS;
}

static int max8997_write(struct udevice *dev, uint reg, const uint8_t *buff,
		int len)
{
	int ret;

	ret = dm_i2c_write(dev, reg, buff, len);
	if (ret)
		pr_err("write error to device: %p register: %#x!", dev, reg);

	return ret;
}

static int max8997_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
{
	int ret;

	ret = dm_i2c_read(dev, reg, buff, len);
	if (ret)
		pr_err("read error from device: %p register: %#x!", dev, reg);

	return ret;
}

static struct dm_pmic_ops max8997_ops = {
	.reg_count = max8997_reg_count,
	.read	= max8997_read,
	.write	= max8997_write,
};

static const struct udevice_id max8997_ids[] = {
	{ .compatible = "maxim,max8997" },
	{ },
};

U_BOOT_DRIVER(pmic_max8997) = {
	.name		= "max8997_pmic",
	.id		= UCLASS_PMIC,
	.of_match	= max8997_ids,
	.ops		= &max8997_ops,
};
Commit	Line	Data
1a5a05da JC	1	/*
	2	* Copyright (C) 2016 Samsung Electronics
	3	* Jaehoon Chung <jh80.chung@samsung.com>
	4	*
	5	* SPDX-License-Identifier: GPL-2.0+
	6	*/
	7
	8	#include <common.h>
	9	#include <dm.h>
	10	#include <i2c.h>
	11	#include <power/pmic.h>
	12	#include <power/max8997_pmic.h>
	13	#include <errno.h>
	14
	15	DECLARE_GLOBAL_DATA_PTR;
	16
	17	static int max8997_reg_count(struct udevice *dev)
	18	{
	19	return PMIC_NUM_OF_REGS;
	20	}
	21
	22	static int max8997_write(struct udevice dev, uint reg, const uint8_t buff,
	23	int len)
	24	{
	25	int ret;
	26
	27	ret = dm_i2c_write(dev, reg, buff, len);
	28	if (ret)
9b643e31	29	pr_err("write error to device: %p register: %#x!", dev, reg);
1a5a05da JC	30
	31	return ret;
	32	}
	33
	34	static int max8997_read(struct udevice dev, uint reg, uint8_t buff, int len)
	35	{
	36	int ret;
	37
	38	ret = dm_i2c_read(dev, reg, buff, len);
	39	if (ret)
9b643e31	40	pr_err("read error from device: %p register: %#x!", dev, reg);
1a5a05da JC	41
	42	return ret;
	43	}
	44
	45	static struct dm_pmic_ops max8997_ops = {
	46	.reg_count = max8997_reg_count,
	47	.read = max8997_read,
	48	.write = max8997_write,
	49	};
	50
	51	static const struct udevice_id max8997_ids[] = {
	52	{ .compatible = "maxim,max8997" },
	53	{ },
	54	};
	55
	56	U_BOOT_DRIVER(pmic_max8997) = {
	57	.name = "max8997_pmic",
	58	.id = UCLASS_PMIC,
	59	.of_match = max8997_ids,
	60	.ops = &max8997_ops,
	61	};