1/* SPDX-License-Identifier: GPL-2.0 */
 2
 3#ifndef _LINUX_NVMEM_INTERNALS_H
 4#define _LINUX_NVMEM_INTERNALS_H
 5
 6#include <linux/device.h>
 7#include <linux/nvmem-consumer.h>
 8#include <linux/nvmem-provider.h>
 9
10struct nvmem_device {
11	struct module		*owner;
12	struct device		dev;
13	struct list_head	node;
14	int			stride;
15	int			word_size;
16	int			id;
17	struct kref		refcnt;
18	size_t			size;
19	bool			read_only;
20	bool			root_only;
21	int			flags;
22	enum nvmem_type		type;
23	struct bin_attribute	eeprom;
24	struct device		*base_dev;
25	struct list_head	cells;
26	void (*fixup_dt_cell_info)(struct nvmem_device *nvmem,
27				   struct nvmem_cell_info *cell);
28	const struct nvmem_keepout *keepout;
29	unsigned int		nkeepout;
30	nvmem_reg_read_t	reg_read;
31	nvmem_reg_write_t	reg_write;
32	struct gpio_desc	*wp_gpio;
33	struct nvmem_layout	*layout;
34	void *priv;
35	bool			sysfs_cells_populated;
36};
37
38#if IS_ENABLED(CONFIG_OF)
39int nvmem_layout_bus_register(void);
40void nvmem_layout_bus_unregister(void);
41int nvmem_populate_layout(struct nvmem_device *nvmem);
42void nvmem_destroy_layout(struct nvmem_device *nvmem);
43#else /* CONFIG_OF */
44static inline int nvmem_layout_bus_register(void)
45{
46	return 0;
47}
48
49static inline void nvmem_layout_bus_unregister(void) {}
50
51static inline int nvmem_populate_layout(struct nvmem_device *nvmem)
52{
53	return 0;
54}
55
56static inline void nvmem_destroy_layout(struct nvmem_device *nvmem) { }
57#endif /* CONFIG_OF */
58
59#endif  /* ifndef _LINUX_NVMEM_INTERNALS_H */