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authorSimon Glass <sjg@chromium.org>2014-12-10 08:55:51 -0700
committerSimon Glass <sjg@chromium.org>2014-12-11 13:18:42 -0700
commit6ec1b7535873dee4c73895e430494e12be4e3e4d (patch)
tree588586656c2c3fa6d9231b23b622f768ccac7dd9 /arch
parentd19de0d314010ac8566ac363ce85f2d3707d5c72 (diff)
dm: i2c: Add an I2C EEPROM simulator
To enable testing of I2C, add a simple I2C EEPROM simulator for sandbox. It supports reading and writing from a small data store. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Heiko Schocher <hs@denx.de> Reviewed-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/sandbox/include/asm/test.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/sandbox/include/asm/test.h b/arch/sandbox/include/asm/test.h
new file mode 100644
index 0000000000..25a0c85971
--- /dev/null
+++ b/arch/sandbox/include/asm/test.h
@@ -0,0 +1,26 @@
+/*
+ * Test-related constants for sandbox
+ *
+ * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_TEST_H
+#define __ASM_TEST_H
+
+/* The sandbox driver always permits an I2C device with this address */
+#define SANDBOX_I2C_TEST_ADDR 0x59
+
+enum sandbox_i2c_eeprom_test_mode {
+ SIE_TEST_MODE_NONE,
+ /* Permits read/write of only one byte per I2C transaction */
+ SIE_TEST_MODE_SINGLE_BYTE,
+};
+
+void sandbox_i2c_eeprom_set_test_mode(struct udevice *dev,
+ enum sandbox_i2c_eeprom_test_mode mode);
+
+void sandbox_i2c_eeprom_set_offset_len(struct udevice *dev, int offset_len);
+
+#endif