blob: 0379aa2074287d26fdb6434ae774fbb0b9c3391a (
plain)
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+ */
/*
* Core interface for Renesas Synchronization Management Unit (SMU) devices.
*
* Copyright (C) 2021 Integrated Device Technology, Inc., a Renesas Company.
*/
#ifndef __LINUX_MFD_RSMU_H
#define __LINUX_MFD_RSMU_H
#define RSMU_MAX_WRITE_COUNT (255)
#define RSMU_MAX_READ_COUNT (255)
/* The supported devices are ClockMatrix, Sabre and SnowLotus */
enum rsmu_type {
RSMU_CM = 0x34000,
RSMU_SABRE = 0x33810,
RSMU_SL = 0x19850,
};
/**
*
* struct rsmu_ddata - device data structure for sub devices.
*
* @dev: i2c/spi device.
* @regmap: i2c/spi bus access.
* @lock: mutex used by sub devices to make sure a series of
* bus access requests are not interrupted.
* @type: RSMU device type.
* @page: i2c/spi bus driver internal use only.
*/
struct rsmu_ddata {
struct device *dev;
struct regmap *regmap;
struct mutex lock;
enum rsmu_type type;
u32 page;
};
#endif /* __LINUX_MFD_RSMU_H */
|
