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authorJonathan Neuschäfer <j.neuschaefer@gmx.net>2017-12-09 16:33:02 +0100
committerRob Herring <robh@kernel.org>2017-12-15 14:57:55 -0600
commit271ba36e7b32916cd161c8af6cffb786a0687af7 (patch)
treef17cf9e07c56f910d003a8b4cd983891ade4e907 /Documentation/devicetree/bindings/chosen.txt
parentaa199b746678e22ce986505c52e796b8481c555e (diff)
downloadlinux-271ba36e7b32916cd161c8af6cffb786a0687af7.tar.bz2
dt-bindings: chosen: Document linux,initrd-{start,end}
These properties have been in use for a very long time (at least since 2005), but were never documented in chosen.txt. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/chosen.txt')
-rw-r--r--Documentation/devicetree/bindings/chosen.txt15
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/chosen.txt b/Documentation/devicetree/bindings/chosen.txt
index e3b13ea7d2ae..45e79172a646 100644
--- a/Documentation/devicetree/bindings/chosen.txt
+++ b/Documentation/devicetree/bindings/chosen.txt
@@ -120,3 +120,18 @@ e.g.
While this property does not represent a real hardware, the address
and the size are expressed in #address-cells and #size-cells,
respectively, of the root node.
+
+linux,initrd-start and linux,initrd-end
+---------------------------------------
+
+These properties hold the physical start and end address of an initrd that's
+loaded by the bootloader. Note that linux,initrd-start is inclusive, but
+linux,initrd-end is exclusive.
+e.g.
+
+/ {
+ chosen {
+ linux,initrd-start = <0x82000000>;
+ linux,initrd-end = <0x82800000>;
+ };
+};