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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>
34 lines
831 B
C
34 lines
831 B
C
/*
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* Broadcom BCM590xx PMU
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*
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* Copyright 2014 Linaro Limited
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* Author: Matt Porter <mporter@linaro.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#ifndef __LINUX_MFD_BCM590XX_H
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#define __LINUX_MFD_BCM590XX_H
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#include <linux/device.h>
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#include <linux/i2c.h>
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#include <linux/regmap.h>
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/* max register address */
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#define BCM590XX_MAX_REGISTER_PRI 0xe7
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#define BCM590XX_MAX_REGISTER_SEC 0xf0
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struct bcm590xx {
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struct device *dev;
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struct i2c_client *i2c_pri;
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struct i2c_client *i2c_sec;
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struct regmap *regmap_pri;
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struct regmap *regmap_sec;
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unsigned int id;
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};
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#endif /* __LINUX_MFD_BCM590XX_H */
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