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 #define LOG_CATEGORY UCLASS_SPMI
9
10 #include <dm.h>
11 #include <errno.h>
12 #include <spmi/spmi.h>
13 #include <linux/ctype.h>
14
spmi_reg_read(struct udevice * dev,int usid,int pid,int reg)15 int spmi_reg_read(struct udevice *dev, int usid, int pid, int reg)
16 {
17 const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
18
19 if (!ops || !ops->read)
20 return -ENOSYS;
21
22 return ops->read(dev, usid, pid, reg);
23 }
24
spmi_reg_write(struct udevice * dev,int usid,int pid,int reg,uint8_t value)25 int spmi_reg_write(struct udevice *dev, int usid, int pid, int reg,
26 uint8_t value)
27 {
28 const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
29
30 if (!ops || !ops->write)
31 return -ENOSYS;
32
33 return ops->write(dev, usid, pid, reg, value);
34 }
35
36 UCLASS_DRIVER(spmi) = {
37 .id = UCLASS_SPMI,
38 .name = "spmi",
39 .post_bind = dm_scan_fdt_dev,
40 };
41