diff options
Diffstat (limited to 'doc/I2C_Edge_Conditions')
| -rw-r--r-- | doc/I2C_Edge_Conditions | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/doc/I2C_Edge_Conditions b/doc/I2C_Edge_Conditions index f4a99687011..9ccb21c5092 100644 --- a/doc/I2C_Edge_Conditions +++ b/doc/I2C_Edge_Conditions @@ -31,12 +31,10 @@ Notes !!!THIS IS AN UNDOCUMENTED I2C BUS BUG, NOT A AMCC 4xx BUG!!! This reset edge condition could possibly be present in every I2C -controller and device available. For boards where a I2C bus reset -function can be implemented a i2c_init_board() function should be -provided and enabled by #define'ing CONFIG_SYS_I2C_INIT_BOARD in your -board's config file. Note that this is NOT necessary when using the -bit-banging I2C driver (common/soft_i2c.c) as this already includes -the I2C bus reset sequence. +controller and device available. + +Note that this problem does not happen when using the bit-banging I2C driver +(common/soft_i2c.c) as this already includes the I2C bus reset sequence. Many thanks to Bill Hunter for finding this serious BUG. |