/* SPDX-License-Identifier: GPL-2.0-only */ /* * omap_device headers * * Copyright (C) 2009 Nokia Corporation * Paul Walmsley * * Developed in collaboration with (alphabetical order): Benoit * Cousson, Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram * Pandita, Sakari Poussa, Anand Sawant, Santosh Shilimkar, Richard * Woodruff * * This type of functionality should be implemented as a proper * omap_bus/omap_device in Linux. * * omap_device differs from omap_hwmod in that it includes external * (e.g., board- and system-level) integration details. omap_hwmod * stores hardware data that is invariant for a given OMAP chip.
*/ #ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_DEVICE_H #define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_DEVICE_H
/** * struct omap_device - omap_device wrapper for platform_devices * @pdev: platform_device * @hwmods: (one .. many per omap_device) * @hwmods_cnt: ARRAY_SIZE() of @hwmods * @_state: one of OMAP_DEVICE_STATE_* (see above) * @flags: device flags * @_driver_status: one of BUS_NOTIFY_*_DRIVER from <linux/device.h> * * Integrates omap_hwmod data into Linux platform_device. * * Field names beginning with underscores are for the internal use of * the omap_device code. *
*/ struct omap_device { struct platform_device *pdev; struct omap_hwmod **hwmods; unsignedlong _driver_status;
u8 hwmods_cnt;
u8 _state;
u8 flags;
};
/* Device driver interface (call via platform_data fn ptrs) */
int omap_device_enable(struct platform_device *pdev); int omap_device_idle(struct platform_device *pdev);
/* Other */
int omap_device_assert_hardreset(struct platform_device *pdev, constchar *name); int omap_device_deassert_hardreset(struct platform_device *pdev, constchar *name);
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