X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=README;h=c97ff0af0b6283057b53ba992682b7cbfdbc7831;hb=5f9cc8e6387a5ba8962e8466c8bcbb8c07caf845;hp=91c3ac0fa729fcb011a8faaf51713c550e1ecc3c;hpb=45ae2546ef157b647d8684845c6554283b80be92;p=kernel%2Fu-boot.git

diff --git a/README b/README
index 91c3ac0..c97ff0a 100644
--- a/README
+++ b/README
@@ -848,6 +848,7 @@ The following options need to be configured:
 		CONFIG_CMD_ELF		* bootelf, bootvx
 		CONFIG_CMD_ENV_CALLBACK	* display details about env callbacks
 		CONFIG_CMD_ENV_FLAGS	* display details about env flags
+		CONFIG_CMD_ENV_EXISTS	* check existence of env variable
 		CONFIG_CMD_EXPORTENV	* export the environment
 		CONFIG_CMD_EXT2		* ext2 command support
 		CONFIG_CMD_EXT4		* ext4 command support
@@ -1032,7 +1033,6 @@ The following options need to be configured:
 
 - GPIO Support:
 		CONFIG_PCA953X		- use NXP's PCA953X series I2C GPIO
-		CONFIG_PCA953X_INFO	- enable pca953x info command
 
 		The CONFIG_SYS_I2C_PCA953X_WIDTH option specifies a list of
 		chip-ngpio pairs that tell the PCA953X driver the number of
@@ -1367,6 +1367,13 @@ The following options need to be configured:
 			for your device
 			- CONFIG_USBD_PRODUCTID 0xFFFF
 
+		Some USB device drivers may need to check USB cable attachment.
+		In this case you can enable following config in BoardName.h:
+			CONFIG_USB_CABLE_CHECK
+			This enables function definition:
+			- usb_cable_connected() in include/usb.h
+			Implementation of this function is board-specific.
+
 - ULPI Layer Support:
 		The ULPI (UTMI Low Pin (count) Interface) PHYs are supported via
 		the generic ULPI layer. The generic layer accesses the ULPI PHY
@@ -2033,6 +2040,42 @@ CBFS (Coreboot Filesystem) support
 		  - CONFIG_SYS_RCAR_I2C3_SPEED for for the speed channel 3
 		  - CONFIF_SYS_RCAR_I2C_NUM_CONTROLLERS for number of i2c buses
 
+		- drivers/i2c/sh_i2c.c:
+		  - activate this driver with CONFIG_SYS_I2C_SH
+		  - This driver adds from 2 to 5 i2c buses
+
+		  - CONFIG_SYS_I2C_SH_BASE0 for setting the register channel 0
+		  - CONFIG_SYS_I2C_SH_SPEED0 for for the speed channel 0
+		  - CONFIG_SYS_I2C_SH_BASE1 for setting the register channel 1
+		  - CONFIG_SYS_I2C_SH_SPEED1 for for the speed channel 1
+		  - CONFIG_SYS_I2C_SH_BASE2 for setting the register channel 2
+		  - CONFIG_SYS_I2C_SH_SPEED2 for for the speed channel 2
+		  - CONFIG_SYS_I2C_SH_BASE3 for setting the register channel 3
+		  - CONFIG_SYS_I2C_SH_SPEED3 for for the speed channel 3
+		  - CONFIG_SYS_I2C_SH_BASE4 for setting the register channel 4
+		  - CONFIG_SYS_I2C_SH_SPEED4 for for the speed channel 4
+		  - CONFIG_SYS_I2C_SH_BASE5 for setting the register channel 5
+		  - CONFIG_SYS_I2C_SH_SPEED5 for for the speed channel 5
+		  - CONFIF_SYS_I2C_SH_NUM_CONTROLLERS for nummber of i2c buses
+
+		- drivers/i2c/omap24xx_i2c.c
+		  - activate this driver with CONFIG_SYS_I2C_OMAP24XX
+		  - CONFIG_SYS_OMAP24_I2C_SPEED speed channel 0
+		  - CONFIG_SYS_OMAP24_I2C_SLAVE slave addr channel 0
+		  - CONFIG_SYS_OMAP24_I2C_SPEED1 speed channel 1
+		  - CONFIG_SYS_OMAP24_I2C_SLAVE1 slave addr channel 1
+		  - CONFIG_SYS_OMAP24_I2C_SPEED2 speed channel 2
+		  - CONFIG_SYS_OMAP24_I2C_SLAVE2 slave addr channel 2
+		  - CONFIG_SYS_OMAP24_I2C_SPEED3 speed channel 3
+		  - CONFIG_SYS_OMAP24_I2C_SLAVE3 slave addr channel 3
+		  - CONFIG_SYS_OMAP24_I2C_SPEED4 speed channel 4
+		  - CONFIG_SYS_OMAP24_I2C_SLAVE4 slave addr channel 4
+
+		- drivers/i2c/zynq_i2c.c
+		  - activate this driver with CONFIG_SYS_I2C_ZYNQ
+		  - set CONFIG_SYS_I2C_ZYNQ_SPEED for speed setting
+		  - set CONFIG_SYS_I2C_ZYNQ_SLAVE for slave addr
+
 		additional defines:
 
 		CONFIG_SYS_NUM_I2C_BUSES