From 6ec1b7535873dee4c73895e430494e12be4e3e4d Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 10 Dec 2014 08:55:51 -0700 Subject: 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 Acked-by: Heiko Schocher Reviewed-by: Masahiro Yamada --- arch/sandbox/include/asm/test.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 arch/sandbox/include/asm/test.h (limited to 'arch') 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 -- cgit