CRISv32: add device tree support

Add support for booting CRISv32 with a built-in device tree.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index c34561869856..23fb82f3715e 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -54,6 +54,8 @@ config CRIS
         select OLD_SIGACTION
         select ARCH_REQUIRE_GPIOLIB
         select IRQ_DOMAIN if ETRAX_ARCH_V32
+        select OF if ETRAX_ARCH_V32
+        select OF_EARLY_FLATTREE if ETRAX_ARCH_V32
 
 config HZ
         int
@@ -63,6 +65,10 @@ config NR_CPUS
         int
         default "1"
 
+config BUILTIN_DTB
+        string "DTB to build into the kernel image"
+        depends on OF
+
 source "init/Kconfig"
 
 source "kernel/Kconfig.freezer"