X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=dts%2FKconfig;h=046a54a17366fc3b194b1941092f1ac353b659c7;hb=5ae526b61f6a8832ac72c4aeed6e652887ccbbd0;hp=64c98dd7237bf2a8dbf06da928336842d13d46c5;hpb=ce022f2857714e19c6b31a023b8145782ecef5a5;p=oweals%2Fu-boot.git

diff --git a/dts/Kconfig b/dts/Kconfig
index 64c98dd723..046a54a173 100644
--- a/dts/Kconfig
+++ b/dts/Kconfig
@@ -25,6 +25,7 @@ menu "Device Tree Control"
 config OF_CONTROL
 	bool "Run-time configuration via Device Tree"
 	select DTC
+	select OF_LIBFDT if !OF_PLATDATA
 	help
 	  This feature provides for run-time configuration of U-Boot
 	  via a flattened device tree.
@@ -42,6 +43,7 @@ config OF_BOARD_FIXUP
 config SPL_OF_CONTROL
 	bool "Enable run-time configuration via Device Tree in SPL"
 	depends on SPL && OF_CONTROL
+	select SPL_OF_LIBFDT if !SPL_OF_PLATDATA
 	help
 	  Some boards use device tree in U-Boot but only have 4KB of SRAM
 	  which is not enough to support device tree. Disable this option to
@@ -50,6 +52,7 @@ config SPL_OF_CONTROL
 config TPL_OF_CONTROL
 	bool "Enable run-time configuration via Device Tree in TPL"
 	depends on TPL && OF_CONTROL
+	select TPL_OF_LIBFDT if !TPL_OF_PLATDATA
 	help
 	  Some boards use device tree in U-Boot but only have 4KB of SRAM
 	  which is not enough to support device tree. Enable this option to
@@ -311,6 +314,26 @@ config OF_SPL_REMOVE_PROPS
 	  can be discarded. This option defines the list of properties to
 	  discard.
 
+config OF_DTB_PROPS_REMOVE
+	bool "Enable removal of device tree properties"
+	depends on OF_CONTROL
+	help
+	  Some boards have restricted amount of storage for U-Boot image.
+	  If the generated binary doesn't fit into available image storage,
+	  the built-in device tree could probably be cut down by removing
+	  some not required device tree properties to reduce the image size.
+	  Enable this option and define the properties to be removed in the
+	  CONFIG_OF_REMOVE_PROPS list. Do not enable this option if you must
+	  pass the built-in DTB directly to the kernel!
+
+config OF_REMOVE_PROPS
+	string "List of device tree properties to drop"
+	depends on OF_DTB_PROPS_REMOVE
+	default "interrupt-parent interrupts" if PINCTRL
+	help
+	  Some properties are not used by U-Boot and can be discarded.
+	  This option defines the list of properties to discard.
+
 config SPL_OF_PLATDATA
 	bool "Generate platform data for use in SPL"
 	depends on SPL_OF_CONTROL