drivers/misc/i2c_eeprom.c

   1 /*
   2  * Copyright (c) 2014 Google, Inc
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <dm.h>
   9 #include <i2c.h>
  10 #include <i2c_eeprom.h>
  11
  12 static int i2c_eeprom_read(struct udevice *dev, int offset, uint8_t *buf,
  13                            int size)
  14 {
  15         return -ENODEV;
  16 }
  17
  18 static int i2c_eeprom_write(struct udevice *dev, int offset,
  19                             const uint8_t *buf, int size)
  20 {
  21         return -ENODEV;
  22 }
  23
  24 struct i2c_eeprom_ops i2c_eeprom_std_ops = {
  25         .read   = i2c_eeprom_read,
  26         .write  = i2c_eeprom_write,
  27 };
  28
  29 int i2c_eeprom_std_probe(struct udevice *dev)
  30 {
  31         return 0;
  32 }
  33
  34 static const struct udevice_id i2c_eeprom_std_ids[] = {
  35         { .compatible = "i2c-eeprom" },
  36         { }
  37 };
  38
  39 U_BOOT_DRIVER(i2c_eeprom_std) = {
  40         .name           = "i2c_eeprom",
  41         .id             = UCLASS_I2C_EEPROM,
  42         .of_match       = i2c_eeprom_std_ids,
  43         .probe          = i2c_eeprom_std_probe,
  44         .priv_auto_alloc_size = sizeof(struct i2c_eeprom),
  45         .ops            = &i2c_eeprom_std_ops,
  46 };
  47
  48 UCLASS_DRIVER(i2c_eeprom) = {
  49         .id             = UCLASS_I2C_EEPROM,
  50         .name           = "i2c_eeprom",
  51 };