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 */
60