Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Core interface for Renesas Synchronization Management Unit (SMU) devices.
4 *
5 * Copyright (C) 2021 Integrated Device Technology, Inc., a Renesas Company.
6 */
7
8#ifndef __LINUX_MFD_RSMU_H
9#define __LINUX_MFD_RSMU_H
10
11/* The supported devices are ClockMatrix, Sabre and SnowLotus */
12enum rsmu_type {
13 RSMU_CM = 0x34000,
14 RSMU_SABRE = 0x33810,
15 RSMU_SL = 0x19850,
16};
17
18/**
19 *
20 * struct rsmu_ddata - device data structure for sub devices.
21 *
22 * @dev: i2c/spi device.
23 * @regmap: i2c/spi bus access.
24 * @lock: mutex used by sub devices to make sure a series of
25 * bus access requests are not interrupted.
26 * @type: RSMU device type.
27 * @page: i2c/spi bus driver internal use only.
28 */
29struct rsmu_ddata {
30 struct device *dev;
31 struct regmap *regmap;
32 struct mutex lock;
33 enum rsmu_type type;
34 u16 page;
35};
36#endif /* __LINUX_MFD_RSMU_H */