git.sur5r.net Git - u-boot/blob - 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 <linux/err.h>
   9 #include <dm.h>
  10 #include <i2c.h>
  11 #include <i2c_eeprom.h>
  12
  13 static int i2c_eeprom_read(struct udevice *dev, int offset, uint8_t *buf,
  14                            int size)
  15 {
  16         return -ENODEV;
  17 }
  18
  19 static int i2c_eeprom_write(struct udevice *dev, int offset,
  20                             const uint8_t *buf, int size)
  21 {
  22         return -ENODEV;
  23 }
  24
  25 struct i2c_eeprom_ops i2c_eeprom_std_ops = {
  26         .read   = i2c_eeprom_read,
  27         .write  = i2c_eeprom_write,
  28 };
  29
  30 int i2c_eeprom_std_probe(struct udevice *dev)
  31 {
  32         return 0;
  33 }
  34
  35 static const struct udevice_id i2c_eeprom_std_ids[] = {
  36         { .compatible = "i2c-eeprom" },
  37         { }
  38 };
  39
  40 U_BOOT_DRIVER(i2c_eeprom_std) = {
  41         .name           = "i2c_eeprom",
  42         .id             = UCLASS_I2C_EEPROM,
  43         .of_match       = i2c_eeprom_std_ids,
  44         .probe          = i2c_eeprom_std_probe,
  45         .priv_auto_alloc_size = sizeof(struct i2c_eeprom),
  46         .ops            = &i2c_eeprom_std_ops,
  47 };
  48
  49 UCLASS_DRIVER(i2c_eeprom) = {
  50         .id             = UCLASS_I2C_EEPROM,
  51         .name           = "i2c_eeprom",
  52 };