1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * SPMI bus uclass driver
4 *
5 * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
6 */
7
8 #include <common.h>
9 #include <dm.h>
10 #include <errno.h>
11 #include <spmi/spmi.h>
12 #include <linux/ctype.h>
13
spmi_reg_read(struct udevice * dev,int usid,int pid,int reg)14 int spmi_reg_read(struct udevice *dev, int usid, int pid, int reg)
15 {
16 const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
17
18 if (!ops || !ops->read)
19 return -ENOSYS;
20
21 return ops->read(dev, usid, pid, reg);
22 }
23
spmi_reg_write(struct udevice * dev,int usid,int pid,int reg,uint8_t value)24 int spmi_reg_write(struct udevice *dev, int usid, int pid, int reg,
25 uint8_t value)
26 {
27 const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
28
29 if (!ops || !ops->write)
30 return -ENOSYS;
31
32 return ops->write(dev, usid, pid, reg, value);
33 }
34
35 UCLASS_DRIVER(spmi) = {
36 .id = UCLASS_SPMI,
37 .name = "spmi",
38 .post_bind = dm_scan_fdt_dev,
39 };
40