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Diffstat (limited to 'include/linux/mfd/core.h')
| -rw-r--r-- | include/linux/mfd/core.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h new file mode 100644 index 00000000000..49ef857cdb2 --- /dev/null +++ b/include/linux/mfd/core.h @@ -0,0 +1,55 @@ +/* + * drivers/mfd/mfd-core.h + * + * core MFD support + * Copyright (c) 2006 Ian Molton + * Copyright (c) 2007 Dmitry Baryshkov + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#ifndef MFD_CORE_H +#define MFD_CORE_H + +#include <linux/platform_device.h> + +/* + * This struct describes the MFD part ("cell"). + * After registration the copy of this structure will become the platform data + * of the resulting platform_device + */ +struct mfd_cell { + const char *name; + + int (*enable)(struct platform_device *dev); + int (*disable)(struct platform_device *dev); + int (*suspend)(struct platform_device *dev); + int (*resume)(struct platform_device *dev); + + /* driver-specific data for MFD-aware "cell" drivers */ + void *driver_data; + + /* platform_data can be used to either pass data to "generic" + driver or as a hook to mfd_cell for the "cell" drivers */ + void *platform_data; + size_t data_size; + + /* + * This resources can be specified relatievly to the parent device. + * For accessing device you should use resources from device + */ + int num_resources; + const struct resource *resources; +}; + +extern int mfd_add_devices(struct device *parent, int id, + const struct mfd_cell *cells, int n_devs, + struct resource *mem_base, + int irq_base); + +extern void mfd_remove_devices(struct device *parent); + +#endif |