spmi-uclass.c
807 Bytes
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
// SPDX-License-Identifier: GPL-2.0+
/*
* SPMI bus uclass driver
*
* (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <spmi/spmi.h>
#include <linux/ctype.h>
int spmi_reg_read(struct udevice *dev, int usid, int pid, int reg)
{
const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
if (!ops || !ops->read)
return -ENOSYS;
return ops->read(dev, usid, pid, reg);
}
int spmi_reg_write(struct udevice *dev, int usid, int pid, int reg,
uint8_t value)
{
const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
if (!ops || !ops->write)
return -ENOSYS;
return ops->write(dev, usid, pid, reg, value);
}
UCLASS_DRIVER(spmi) = {
.id = UCLASS_SPMI,
.name = "spmi",
.post_bind = dm_scan_fdt_dev,
};