cmd_ide: add support for orion5x

[oweals/u-boot.git] / README

diff --git a/README b/README
index a9c98f218e5017543baeebd7f3ad92e0c8dbe976..c9fb284378e9e53acb7f02de8e4cbd1b32c170ec 100644 (file)
--- a/README
+++ b/README
@@ -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