1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2015 Samsung Electronics
3*4882a593Smuzhiyun * Przemyslaw Marczak <p.marczak@samsung.com>
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <common.h>
9*4882a593Smuzhiyun #include <fdtdec.h>
10*4882a593Smuzhiyun #include <errno.h>
11*4882a593Smuzhiyun #include <dm.h>
12*4882a593Smuzhiyun #include <i2c.h>
13*4882a593Smuzhiyun #include <power/pmic.h>
14*4882a593Smuzhiyun #include <power/s2mps11.h>
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
17*4882a593Smuzhiyun
s2mps11_reg_count(struct udevice * dev)18*4882a593Smuzhiyun static int s2mps11_reg_count(struct udevice *dev)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun return S2MPS11_REG_COUNT;
21*4882a593Smuzhiyun }
22*4882a593Smuzhiyun
s2mps11_write(struct udevice * dev,uint reg,const uint8_t * buff,int len)23*4882a593Smuzhiyun static int s2mps11_write(struct udevice *dev, uint reg, const uint8_t *buff,
24*4882a593Smuzhiyun int len)
25*4882a593Smuzhiyun {
26*4882a593Smuzhiyun int ret;
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun ret = dm_i2c_write(dev, reg, buff, len);
29*4882a593Smuzhiyun if (ret)
30*4882a593Smuzhiyun pr_err("write error to device: %p register: %#x!", dev, reg);
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun return ret;
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun
s2mps11_read(struct udevice * dev,uint reg,uint8_t * buff,int len)35*4882a593Smuzhiyun static int s2mps11_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun int ret;
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun ret = dm_i2c_read(dev, reg, buff, len);
40*4882a593Smuzhiyun if (ret)
41*4882a593Smuzhiyun pr_err("read error from device: %p register: %#x!", dev, reg);
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun return ret;
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun static struct dm_pmic_ops s2mps11_ops = {
47*4882a593Smuzhiyun .reg_count = s2mps11_reg_count,
48*4882a593Smuzhiyun .read = s2mps11_read,
49*4882a593Smuzhiyun .write = s2mps11_write,
50*4882a593Smuzhiyun };
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun static const struct udevice_id s2mps11_ids[] = {
53*4882a593Smuzhiyun { .compatible = "samsung,s2mps11-pmic" },
54*4882a593Smuzhiyun { }
55*4882a593Smuzhiyun };
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun U_BOOT_DRIVER(pmic_s2mps11) = {
58*4882a593Smuzhiyun .name = "s2mps11_pmic",
59*4882a593Smuzhiyun .id = UCLASS_PMIC,
60*4882a593Smuzhiyun .of_match = s2mps11_ids,
61*4882a593Smuzhiyun .ops = &s2mps11_ops,
62*4882a593Smuzhiyun };
63