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| author | Simon Glass <sjg@chromium.org> | 2014-12-10 08:55:51 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2014-12-11 13:18:42 -0700 |
| commit | 6ec1b7535873dee4c73895e430494e12be4e3e4d (patch) | |
| tree | 588586656c2c3fa6d9231b23b622f768ccac7dd9 /arch | |
| parent | d19de0d314010ac8566ac363ce85f2d3707d5c72 (diff) | |
| download | u-boot-imx-6ec1b7535873dee4c73895e430494e12be4e3e4d.zip u-boot-imx-6ec1b7535873dee4c73895e430494e12be4e3e4d.tar.gz u-boot-imx-6ec1b7535873dee4c73895e430494e12be4e3e4d.tar.bz2 | |
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.h | 26 |
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 0000000..25a0c85 --- /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 |