mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-31 23:33:44 +09:00
d024236e5a
We have a large number of places where while we historically referenced gd in the code we no longer do, as well as cases where the code added that line "just in case" during development and never dropped it. Signed-off-by: Tom Rini <trini@konsulko.com>
60 lines
1.1 KiB
C
60 lines
1.1 KiB
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>
|
|
|
|
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,
|
|
};
|