1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * SPMI bus uclass driver
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include <common.h>
10*4882a593Smuzhiyun #include <dm.h>
11*4882a593Smuzhiyun #include <errno.h>
12*4882a593Smuzhiyun #include <spmi/spmi.h>
13*4882a593Smuzhiyun #include <linux/ctype.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
16*4882a593Smuzhiyun
spmi_reg_read(struct udevice * dev,int usid,int pid,int reg)17*4882a593Smuzhiyun int spmi_reg_read(struct udevice *dev, int usid, int pid, int reg)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun if (!ops || !ops->read)
22*4882a593Smuzhiyun return -ENOSYS;
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun return ops->read(dev, usid, pid, reg);
25*4882a593Smuzhiyun }
26*4882a593Smuzhiyun
spmi_reg_write(struct udevice * dev,int usid,int pid,int reg,uint8_t value)27*4882a593Smuzhiyun int spmi_reg_write(struct udevice *dev, int usid, int pid, int reg,
28*4882a593Smuzhiyun uint8_t value)
29*4882a593Smuzhiyun {
30*4882a593Smuzhiyun const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun if (!ops || !ops->write)
33*4882a593Smuzhiyun return -ENOSYS;
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun return ops->write(dev, usid, pid, reg, value);
36*4882a593Smuzhiyun }
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun UCLASS_DRIVER(spmi) = {
39*4882a593Smuzhiyun .id = UCLASS_SPMI,
40*4882a593Smuzhiyun .name = "spmi",
41*4882a593Smuzhiyun .post_bind = dm_scan_fdt_dev,
42*4882a593Smuzhiyun };
43