[yocto] [PATCH] ref-variables: Document UBOOT_DTB_LOADADDRESS/UBOOT_DTBO_LOADADDRESS

[Alex Kiernan]

Document UBOOT_DTB_LOADADDRESS (address used for device tree blobs) and
UBOOT_DTBO_LOADADDRESS (address used for device tree overlay blobs).

Signed-off-by: Alex Kiernan <alex.kiernan at gmail.com>
---
These variables are introduced by this patch series:

https://patchwork.openembedded.org/series/12601/

 documentation/ref-manual/ref-variables.xml | 43 ++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 1c55a92..0d97e17 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -15862,6 +15862,49 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
             </glossdef>
         </glossentry>
 
+        <glossentry id='var-UBOOT_DTB_LOADADDRESS'><glossterm>UBOOT_DTB_LOADADDRESS</glossterm>
+            <info>
+               UBOOT_DTB_LOADADDRESS[doc] = "Specifies the load address for DT blobs in the U-Boot FIT image."
+            </info>
+            <glossdef>
+                <para role="glossdeffirst">
+                    Specifies the load address for DT blobs in the the U-Boot
+                    FIT image.
+                </para>
+
+                <para>
+                    When using DT overlays with <filename>bootm</filename>
+                    then both <filename>UBOOT_DTB_LOADADDRESS</filename> and
+                    <filename>UBOOT_DTBO_LOADADDRESS</filename> must be
+                    specified. See
+                    <filename>doc/uImage.FIT/overlay-fdt-boot</filename> in
+                    U-Boot.
+                </para>
+            </glossdef>
+        </glossentry>
+
+        <glossentry id='var-UBOOT_DTBO_LOADADDRESS'><glossterm>UBOOT_DTBO_LOADADDRESS</glossterm>
+            <info>
+               UBOOT_DTBO_LOADADDRESS[doc] = "Specifies the load address for DT
+blob overlays in the U-Boot FIT image."
+            </info>
+            <glossdef>
+                <para role="glossdeffirst">
+                    Specifies the load address for DT blob overlays in the
+                    the U-Boot FIT image.
+                </para>
+
+                <para>
+                    When using DT overlays with <filename>bootm</filename>
+                    then both <filename>UBOOT_DTB_LOADADDRESS</filename> and
+                    <filename>UBOOT_DTBO_LOADADDRESS</filename> must be
+                    specified. See
+                    <filename>doc/uImage.FIT/overlay-fdt-boot</filename> in
+                    U-Boot.
+                </para>
+            </glossdef>
+        </glossentry>
+
         <glossentry id='var-UBOOT_ENTRYPOINT'><glossterm>UBOOT_ENTRYPOINT</glossterm>
             <info>
                UBOOT_ENTRYPOINT[doc] = "Specifies the entry point for the U-Boot image."
-- 
2.7.4