From 5592a633a09019d7c34b76a2cd3babff63e138ea Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Mon, 1 Oct 2018 12:22:21 -0600
Subject: [PATCH] fdt: Allow libfdt in TPL

In some cases (e.g. sandbox with verified boot) it is useful to support
libfdt in TPL. Update the Kconfig to handle this.

Signed-off-by: Simon Glass <sjg@chromium.org>
---
 lib/Kconfig | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lib/Kconfig b/lib/Kconfig
index b711d62d32..ccab426e12 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -353,6 +353,16 @@ config SPL_OF_LIBFDT
 	  particular compatible nodes. The library operates on a flattened
 	  version of the device tree.
 
+config TPL_OF_LIBFDT
+	bool "Enable the FDT library for TPL"
+	default y if TPL_OF_CONTROL
+	help
+	  This enables the FDT library (libfdt). It provides functions for
+	  accessing binary device tree images in memory, such as adding and
+	  removing nodes and properties, scanning through the tree and finding
+	  particular compatible nodes. The library operates on a flattened
+	  version of the device tree.
+
 config FDT_FIXUP_PARTITIONS
 	bool "overwrite MTD partitions in DTS through defined in 'mtdparts'"
 	depends on OF_LIBFDT
-- 
2.39.5