2 * Copyright (c) 2014 Google, Inc
4 * SPDX-License-Identifier: GPL-2.0+
11 #include <i2c_eeprom.h>
13 int i2c_eeprom_read(struct udevice
*dev
, int offset
, uint8_t *buf
, int size
)
15 const struct i2c_eeprom_ops
*ops
= device_get_ops(dev
);
20 return ops
->read(dev
, offset
, buf
, size
);
23 int i2c_eeprom_write(struct udevice
*dev
, int offset
, uint8_t *buf
, int size
)
25 const struct i2c_eeprom_ops
*ops
= device_get_ops(dev
);
30 return ops
->write(dev
, offset
, buf
, size
);
33 static int i2c_eeprom_std_read(struct udevice
*dev
, int offset
, uint8_t *buf
,
36 return dm_i2c_read(dev
, offset
, buf
, size
);
39 static int i2c_eeprom_std_write(struct udevice
*dev
, int offset
,
40 const uint8_t *buf
, int size
)
45 static const struct i2c_eeprom_ops i2c_eeprom_std_ops
= {
46 .read
= i2c_eeprom_std_read
,
47 .write
= i2c_eeprom_std_write
,
50 static int i2c_eeprom_std_ofdata_to_platdata(struct udevice
*dev
)
52 struct i2c_eeprom
*priv
= dev_get_priv(dev
);
53 u64 data
= dev_get_driver_data(dev
);
55 /* 6 bit -> page size of up to 2^63 (should be sufficient) */
56 priv
->pagewidth
= data
& 0x3F;
57 priv
->pagesize
= (1 << priv
->pagewidth
);
62 static int i2c_eeprom_std_probe(struct udevice
*dev
)
67 static const struct udevice_id i2c_eeprom_std_ids
[] = {
68 { .compatible
= "i2c-eeprom", .data
= 0 },
69 { .compatible
= "microchip,24aa02e48", .data
= 3 },
70 { .compatible
= "atmel,24c01a", .data
= 3 },
71 { .compatible
= "atmel,24c02", .data
= 3 },
72 { .compatible
= "atmel,24c04", .data
= 4 },
73 { .compatible
= "atmel,24c08a", .data
= 4 },
74 { .compatible
= "atmel,24c16a", .data
= 4 },
75 { .compatible
= "atmel,24mac402", .data
= 4 },
76 { .compatible
= "atmel,24c32", .data
= 5 },
77 { .compatible
= "atmel,24c64", .data
= 5 },
78 { .compatible
= "atmel,24c128", .data
= 6 },
79 { .compatible
= "atmel,24c256", .data
= 6 },
80 { .compatible
= "atmel,24c512", .data
= 6 },
84 U_BOOT_DRIVER(i2c_eeprom_std
) = {
86 .id
= UCLASS_I2C_EEPROM
,
87 .of_match
= i2c_eeprom_std_ids
,
88 .probe
= i2c_eeprom_std_probe
,
89 .ofdata_to_platdata
= i2c_eeprom_std_ofdata_to_platdata
,
90 .priv_auto_alloc_size
= sizeof(struct i2c_eeprom
),
91 .ops
= &i2c_eeprom_std_ops
,
94 UCLASS_DRIVER(i2c_eeprom
) = {
95 .id
= UCLASS_I2C_EEPROM
,