Merge branch 'next'

[platform/kernel/u-boot.git] / include / i2c_eeprom.h

diff --git a/include/i2c_eeprom.h b/include/i2c_eeprom.h
index 0fcdf38..3ad5656 100644 (file)
--- a/include/i2c_eeprom.h
+++ b/include/i2c_eeprom.h
@@ -10,13 +10,14 @@ struct i2c_eeprom_ops {
        int (*read)(struct udevice *dev, int offset, uint8_t *buf, int size);
        int (*write)(struct udevice *dev, int offset, const uint8_t *buf,
                     int size);
+       int (*size)(struct udevice *dev);
 };
 
 struct i2c_eeprom {
        /* The EEPROM's page size in byte */
        unsigned long pagesize;
-       /* The EEPROM's page width in bits (pagesize = 2^pagewidth) */
-       unsigned pagewidth;
+       /* The EEPROM's capacity in bytes */
+       unsigned long size;
 };
 
 /*
@@ -27,7 +28,7 @@ struct i2c_eeprom {
  * @buf:       Place to put data
  * @size:      Number of bytes to read
  *
- * @return 0 on success, -ve on failure
+ * Return: 0 on success, -ve on failure
  */
 int i2c_eeprom_read(struct udevice *dev, int offset, uint8_t *buf, int size);
 
@@ -39,8 +40,17 @@ int i2c_eeprom_read(struct udevice *dev, int offset, uint8_t *buf, int size);
  * @buf:       Buffer containing data to write
  * @size:      Number of bytes to write
  *
- * @return 0 on success, -ve on failure
+ * Return: 0 on success, -ve on failure
  */
 int i2c_eeprom_write(struct udevice *dev, int offset, uint8_t *buf, int size);
 
+/*
+ * i2c_eeprom_size() - get size of I2C EEPROM chip
+ *
+ * @dev:       Chip to query
+ *
+ * Return: +ve size in bytes on success, -ve on failure
+ */
+int i2c_eeprom_size(struct udevice *dev);
+
 #endif