X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=README;h=c9fb284378e9e53acb7f02de8e4cbd1b32c170ec;hb=2aa98c6612fc34145d1f692cf610690955362bd0;hp=68f1720ec71e33664046b23283c37c1b159060a9;hpb=1117cbf2adac59050af1751af6c6a524afa5c3ef;p=platform%2Fkernel%2Fu-boot.git

diff --git a/README b/README
index 68f1720..c9fb284 100644
--- a/README
+++ b/README
@@ -143,9 +143,9 @@ Directory Hierarchy:
     /cpu		CPU specific files
       /arm720t		Files specific to ARM 720 CPUs
       /arm920t		Files specific to ARM 920 CPUs
-        /at91rm9200	Files specific to Atmel AT91RM9200 CPU
-        /imx		Files specific to Freescale MC9328 i.MX CPUs
-        /s3c24x0	Files specific to Samsung S3C24X0 CPUs
+	/at91rm9200	Files specific to Atmel AT91RM9200 CPU
+	/imx		Files specific to Freescale MC9328 i.MX CPUs
+	/s3c24x0	Files specific to Samsung S3C24X0 CPUs
       /arm925t		Files specific to ARM 925 CPUs
       /arm926ejs	Files specific to ARM 926 CPUs
       /arm1136		Files specific to ARM 1136 CPUs
@@ -1495,6 +1495,16 @@ The following options need to be configured:
 
 		#define I2C_DELAY  udelay(2)
 
+		CONFIG_SOFT_I2C_GPIO_SCL / CONFIG_SOFT_I2C_GPIO_SDA
+
+		If your arch supports the generic GPIO framework (asm/gpio.h),
+		then you may alternatively define the two GPIOs that are to be
+		used as SCL / SDA.  Any of the previous I2C_xxx macros will
+		have GPIO-based defaults assigned to them as appropriate.
+
+		You should define these to the GPIO value as given directly to
+		the generic GPIO functions.
+
 		CONFIG_SYS_I2C_INIT_BOARD
 
 		When a board is reset during an i2c bus transfer
@@ -2504,7 +2514,7 @@ to save the current settings.
 	  I2C muxes, you can define here, how to reach this
 	  EEPROM. For example:
 
-	  #define CONFIG_I2C_ENV_EEPROM_BUS       "pca9547:70:d\0"
+	  #define CONFIG_I2C_ENV_EEPROM_BUS	  "pca9547:70:d\0"
 
 	  EEPROM which holds the environment, is reached over
 	  a pca9547 i2c mux with address 0x70, channel 3.