diff options
author | Abhijeet Dharmapurikar <adharmap@codeaurora.org> | 2011-04-05 21:40:52 (GMT) |
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committer | Samuel Ortiz <sameo@linux.intel.com> | 2011-05-26 17:45:27 (GMT) |
commit | cbdb53e1f33baf60ded045dc79cd0dd4e9705fa5 (patch) | |
tree | 6fba90fb0b27968c75437bf5c5df2c43f15ce64b /include/linux/mfd/pm8xxx | |
parent | 1305134e8246fb4e86b93d5b6a21caa0e07a8ecf (diff) | |
download | linux-fsl-qoriq-cbdb53e1f33baf60ded045dc79cd0dd4e9705fa5.tar.xz |
mfd: Add Qualcomm PMIC 8921 core driver
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>
Diffstat (limited to 'include/linux/mfd/pm8xxx')
-rw-r--r-- | include/linux/mfd/pm8xxx/core.h | 71 | ||||
-rw-r--r-- | include/linux/mfd/pm8xxx/pm8921.h | 27 |
2 files changed, 98 insertions, 0 deletions
diff --git a/include/linux/mfd/pm8xxx/core.h b/include/linux/mfd/pm8xxx/core.h new file mode 100644 index 0000000..36ccb33 --- /dev/null +++ b/include/linux/mfd/pm8xxx/core.h @@ -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 diff --git a/include/linux/mfd/pm8xxx/pm8921.h b/include/linux/mfd/pm8xxx/pm8921.h new file mode 100644 index 0000000..33fbe9c --- /dev/null +++ b/include/linux/mfd/pm8xxx/pm8921.h @@ -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 |