i2c: Add Kconfig HAS_I2C_RTIO
This config should be selected by any driver that supports the RTIO
interface and can then be checked on by things like tests or drivers
that subsequently require the feature exist.
Signed-off-by: Tom Burdick <thomas.burdick@intel.com>
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 6c687b5..e9dee81 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -54,8 +54,15 @@
help
API and implementations of i2c_transfer_cb.
+config HAS_I2C_RTIO
+ bool
+ help
+ This option must be selected by I2C controller drivers that optionally implement the RTIO
+ interface.
+
config I2C_RTIO
bool "I2C RTIO API"
+ depends on HAS_I2C_RTIO
select RTIO
help
API and implementations of I2C for RTIO
