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-rw-r--r--README17
1 files changed, 12 insertions, 5 deletions
diff --git a/README b/README
index e2ca76e..636107f 100644
--- a/README
+++ b/README
@@ -1968,6 +1968,18 @@ CBFS (Coreboot Filesystem) support
CONFIG_SYS_I2C_SOFT_SPEED_4 and CONFIG_SYS_I2C_SOFT_SLAVE_4
for defining speed and slave address
+ - drivers/i2c/fsl_i2c.c:
+ - activate i2c driver with CONFIG_SYS_I2C_FSL
+ define CONFIG_SYS_FSL_I2C_OFFSET for setting the register
+ offset CONFIG_SYS_FSL_I2C_SPEED for the i2c speed and
+ CONFIG_SYS_FSL_I2C_SLAVE for the slave addr of the first
+ bus.
+ - If your board supports a second fsl i2c bus, define
+ CONFIG_SYS_FSL_I2C2_OFFSET for the register offset
+ CONFIG_SYS_FSL_I2C2_SPEED for the speed and
+ CONFIG_SYS_FSL_I2C2_SLAVE for the slave address of the
+ second bus.
+
additional defines:
CONFIG_SYS_NUM_I2C_BUSES
@@ -2213,11 +2225,6 @@ CBFS (Coreboot Filesystem) support
If not defined, then U-Boot uses predefined value for
specified DTT device.
- CONFIG_FSL_I2C
-
- Define this option if you want to use Freescale's I2C driver in
- drivers/i2c/fsl_i2c.c.
-
CONFIG_I2C_MUX
Define this option if you have I2C devices reached over 1 .. n