i2c: Add support for Renesas rcar

[karo-tx-uboot.git] / README

diff --git a/README b/README
index 7dc4f239afdf3f8c31abdc889b869d65274a807c..e209c89e215f7ca419cfa84b9c450a103532e628 100644 (file)
--- a/README
+++ b/README
@@ -2014,6 +2014,20 @@ CBFS (Coreboot Filesystem) support
                If thoses defines are not set, default value is 100000
                for speed, and 0 for slave.
 
+               - drivers/i2c/rcar_i2c.c:
+                 - activate this driver with CONFIG_SYS_I2C_RCAR
+                 - This driver adds 4 i2c buses
+
+                 - CONFIG_SYS_RCAR_I2C0_BASE for setting the register channel 0
+                 - CONFIG_SYS_RCAR_I2C0_SPEED for for the speed channel 0
+                 - CONFIG_SYS_RCAR_I2C1_BASE for setting the register channel 1
+                 - CONFIG_SYS_RCAR_I2C1_SPEED for for the speed channel 1
+                 - CONFIG_SYS_RCAR_I2C2_BASE for setting the register channel 2
+                 - CONFIG_SYS_RCAR_I2C2_SPEED for for the speed channel 2
+                 - CONFIG_SYS_RCAR_I2C3_BASE for setting the register channel 3
+                 - CONFIG_SYS_RCAR_I2C3_SPEED for for the speed channel 3
+                 - CONFIF_SYS_RCAR_I2C_NUM_CONTROLLERS for number of i2c buses
+
                additional defines:
 
                CONFIG_SYS_NUM_I2C_BUSES