dm: add entries to Kconfig
Create entries of CONFIG_DM, CONFIG_DM_SERIAL, CONFIG_DM_GPIO
and CONFIG_DM_SPI.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index e69de29..d21302f 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -0,0 +1,6 @@
+config DM_GPIO
+ bool "Enable Driver Model for GPIO drivers"
+ depends on DM
+ help
+ If you want to use driver model for GPIO drivers, say Y.
+ To use legacy GPIO drivers, say N.