[U-Boot] [PATCH 4/7] dm: add entries to Kconfig

[Masahiro Yamada]

Create entries of CONFIG_DM, CONFIG_DM_SERIAL, CONFIG_DM_GPIO.

Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
---

 drivers/core/Kconfig   | 6 ++++++
 drivers/gpio/Kconfig   | 6 ++++++
 drivers/serial/Kconfig | 6 ++++++
 3 files changed, 18 insertions(+)

diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig
index e69de29..d2799dc 100644
--- a/drivers/core/Kconfig
+++ b/drivers/core/Kconfig
@@ -0,0 +1,6 @@
+config DM
+	bool "Enable Driver Model"
+	depends on !SPL_BUILD
+	help
+	  This config option enables Driver Model.
+	  To use legacy drivers, say N.
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.
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index e69de29..6a392ba 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -0,0 +1,6 @@
+config DM_SERIAL
+	bool "Enable Driver Model for serial drivers"
+	depends on DM
+	help
+	  If you want to use driver model for serial drivers, say Y.
+	  To use legacy serial drivers, say N.
-- 
1.9.1