i2c: Add enums for i2c speed and address size

Some drivers define their own speed enums and use their own constants for
speed. It makes sense to have a unified defition of the different speeds.

Since many controllers have to do different things for fast/high speed, it
is a good idea to have an enum for the mode.

Add these as well as an enum for the address mode.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>

diff --git a/include/i2c.h b/include/i2c.h
index 72e2e8e4260e7f2f270c6c6ce07a4c0f0007c04c..0faf8542e283ac97007adeb6566d12dd5f8c8399 100644 (file)
--- a/include/i2c.h
+++ b/include/i2c.h
@@ -30,6 +30,32 @@ enum dm_i2c_chip_flags {
        DM_I2C_CHIP_WR_ADDRESS  = 1 << 2, /* Send address for each write byte */
 };
 
+/** enum i2c_speed_mode - standard I2C speed modes */
+enum i2c_speed_mode {
+       IC_SPEED_MODE_STANDARD,
+       IC_SPEED_MODE_FAST,
+       IC_SPEED_MODE_FAST_PLUS,
+       IC_SPEED_MODE_HIGH,
+       IC_SPEED_MODE_FAST_ULTRA,
+
+       IC_SPEED_MODE_COUNT,
+};
+
+/** enum i2c_speed_rate - standard I2C speeds in Hz */
+enum i2c_speed_rate {
+       I2C_SPEED_STANDARD_RATE         = 100000,
+       I2C_SPEED_FAST_RATE             = 400000,
+       I2C_SPEED_FAST_PLUS_RATE        = 1000000,
+       I2C_SPEED_HIGH_RATE             = 3400000,
+       I2C_SPEED_FAST_ULTRA_RATE       = 5000000,
+};
+
+/** enum i2c_address_mode - available address modes */
+enum i2c_address_mode {
+       I2C_MODE_7_BIT,
+       I2C_MODE_10_BIT
+};
+
 struct udevice;
 /**
  * struct dm_i2c_chip - information about an i2c chip