X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fi2c.h;h=ccffc195527547c7d46ae8809b373212eb75f181;hb=29d280c88a1ff331dce2d4c7a5aaf2402aa0fd8a;hp=695cb7655f535c7a60cd4102361ae215a43339d6;hpb=235c5b8315c6a9eb566fd3d99a098cc6db869fc5;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/i2c.h b/include/i2c.h
index 695cb76..ccffc19 100644
--- a/include/i2c.h
+++ b/include/i2c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2009 Sergey Kubushyn <ksi@koi8.net>
  * Copyright (C) 2009 - 2013 Heiko Schocher <hs@denx.de>
@@ -6,8 +7,6 @@
  * (C) Copyright 2001
  * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com.
  *
- * SPDX-License-Identifier:	GPL-2.0+
- *
  * The original I2C interface was
  *   (C) 2000 by Paolo Scaffardi (arsenio@tin.it)
  *   AIRVENT SAM s.p.a - RIMINI(ITALY)
@@ -537,6 +536,27 @@ int i2c_chip_ofdata_to_platdata(struct udevice *dev, struct dm_i2c_chip *chip);
  */
 void i2c_dump_msgs(struct i2c_msg *msg, int nmsgs);
 
+/**
+ * i2c_emul_find() - Find an emulator for an i2c sandbox device
+ *
+ * This looks at the device's 'emul' phandle
+ *
+ * @dev: Device to find an emulator for
+ * @emulp: Returns the associated emulator, if found *
+ * @return 0 if OK, -ENOENT or -ENODEV if not found
+ */
+int i2c_emul_find(struct udevice *dev, struct udevice **emulp);
+
+/**
+ * i2c_emul_get_device() - Find the device being emulated
+ *
+ * Given an emulator this returns the associated device
+ *
+ * @emul: Emulator for the device
+ * @return device that @emul is emulating
+ */
+struct udevice *i2c_emul_get_device(struct udevice *emul);
+
 #ifndef CONFIG_DM_I2C
 
 /*