mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-22 17:01:14 +00:00
a1867f85e0
Add support for ClockMatrix(TM) and 82P33xxx families of timing and synchronization devices. The access interface can be either SPI or I2C. Currently, it will create 2 types of MFD devices, which are to be used by the corresponding rsmu character device driver and the PTP hardware clock driver, respectively. Signed-off-by: Min Li <min.li.xe@renesas.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
36 lines
897 B
C
36 lines
897 B
C
/* 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
|
|
|
|
/* 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;
|
|
u16 page;
|
|
};
|
|
#endif /* __LINUX_MFD_RSMU_H */
|