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-rw-r--r--include/linux/mfd/core.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h
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+++ b/include/linux/mfd/core.h
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+/*
+ * 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