mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-15 03:46:47 +07:00
9e1e726311
BCM590xx utilizes a secondary I2C slave address to access additional register space. Add support for the secondary address space by instantiating a dummy I2C device with the appropriate secondary I2C slave address. Also expose a secondary regmap register space so that MFD drivers can access this secondary i2c slave address space. Signed-off-by: Matt Porter <mporter@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
35 lines
831 B
C
35 lines
831 B
C
/*
|
|
* Broadcom BCM590xx PMU
|
|
*
|
|
* Copyright 2014 Linaro Limited
|
|
* Author: Matt Porter <mporter@linaro.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
* option) any later version.
|
|
*
|
|
*/
|
|
|
|
#ifndef __LINUX_MFD_BCM590XX_H
|
|
#define __LINUX_MFD_BCM590XX_H
|
|
|
|
#include <linux/device.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/regmap.h>
|
|
|
|
/* max register address */
|
|
#define BCM590XX_MAX_REGISTER_PRI 0xe7
|
|
#define BCM590XX_MAX_REGISTER_SEC 0xf0
|
|
|
|
struct bcm590xx {
|
|
struct device *dev;
|
|
struct i2c_client *i2c_pri;
|
|
struct i2c_client *i2c_sec;
|
|
struct regmap *regmap_pri;
|
|
struct regmap *regmap_sec;
|
|
unsigned int id;
|
|
};
|
|
|
|
#endif /* __LINUX_MFD_BCM590XX_H */
|