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
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016 Toradex AG
* Stefan Agner <stefan.agner@toradex.com>
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <fdtdec.h>
#include <linux/libfdt.h>
#include <power/rn5t567_pmic.h>
#include <power/pmic.h>
static int rn5t567_reg_count(struct udevice *dev)
{
return RN5T567_NUM_OF_REGS;
}
static int rn5t567_write(struct udevice *dev, uint reg, const uint8_t *buff,
int len)
{
int ret;
ret = dm_i2c_write(dev, reg, buff, len);
if (ret) {
debug("write error to device: %p register: %#x!\n", dev, reg);
return ret;
}
return 0;
}
static int rn5t567_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
{
int ret;
ret = dm_i2c_read(dev, reg, buff, len);
if (ret) {
debug("read error from device: %p register: %#x!\n", dev, reg);
return ret;
}
return 0;
}
static struct dm_pmic_ops rn5t567_ops = {
.reg_count = rn5t567_reg_count,
.read = rn5t567_read,
.write = rn5t567_write,
};
static const struct udevice_id rn5t567_ids[] = {
{ .compatible = "ricoh,rn5t567" },
{ }
};
U_BOOT_DRIVER(pmic_rn5t567) = {
.name = "rn5t567 pmic",
.id = UCLASS_PMIC,
.of_match = rn5t567_ids,
.ops = &rn5t567_ops,
};
|
