xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mfd: Add Qualcomm PMIC 8921 core driver

Browse Source 
Add support for the Qualcomm PM8921 PMIC chip. The core driver
will communicate with the PMIC chip via the MSM SSBI bus.

Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Abhijeet Dharmapurikar
2011-04-05 14:40:52 -07:00
committed by Samuel Ortiz
parent 1305134e82
commit cbdb53e1f3
5 changed files with 275 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
include/linux/mfd/pm8xxx/core.h Normal file
View File

@@ -0,0 +1,71 @@
/*
* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/*
* Qualcomm PMIC 8xxx driver header file
*
*/
#ifndef __MFD_PM8XXX_CORE_H
#define __MFD_PM8XXX_CORE_H
#include <linux/mfd/core.h>
struct pm8xxx_drvdata {
int (*pmic_readb) (const struct device *dev, u16 addr, u8 *val);
int (*pmic_writeb) (const struct device *dev, u16 addr, u8 val);
int (*pmic_read_buf) (const struct device *dev, u16 addr, u8 *buf,
int n);
int (*pmic_write_buf) (const struct device *dev, u16 addr, u8 *buf,
int n);
void *pm_chip_data;
};
static inline int pm8xxx_readb(const struct device *dev, u16 addr, u8 *val)
{
struct pm8xxx_drvdata *dd = dev_get_drvdata(dev);
if (!dd)
return -EINVAL;
return dd->pmic_readb(dev, addr, val);
}
static inline int pm8xxx_writeb(const struct device *dev, u16 addr, u8 val)
{
struct pm8xxx_drvdata *dd = dev_get_drvdata(dev);
if (!dd)
return -EINVAL;
return dd->pmic_writeb(dev, addr, val);
}
static inline int pm8xxx_read_buf(const struct device *dev, u16 addr, u8 *buf,
int n)
{
struct pm8xxx_drvdata *dd = dev_get_drvdata(dev);
if (!dd)
return -EINVAL;
return dd->pmic_read_buf(dev, addr, buf, n);
}
static inline int pm8xxx_write_buf(const struct device *dev, u16 addr, u8 *buf,
int n)
{
struct pm8xxx_drvdata *dd = dev_get_drvdata(dev);
if (!dd)
return -EINVAL;
return dd->pmic_write_buf(dev, addr, buf, n);
}
#endif

27
include/linux/mfd/pm8xxx/pm8921.h Normal file
View File

@@ -0,0 +1,27 @@
/*
* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/*
* Qualcomm PMIC 8921 driver header file
*
*/
#ifndef __MFD_PM8921_H
#define __MFD_PM8921_H
#include <linux/device.h>
struct pm8921_platform_data {
int irq_base;
};
#endif