[PATCH v5 6/8] Documentation: bindings: add compatible specific to legacy SCPI protocol

[Sudeep Holla]

This patch adds specific compatible to support legacy SCPI protocol.

Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
---
 Documentation/devicetree/bindings/arm/arm,scpi.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/arm/arm,scpi.txt b/Documentation/devicetree/bindings/arm/arm,scpi.txt
index d1882c4540d0..ebd03fc93135 100644
--- a/Documentation/devicetree/bindings/arm/arm,scpi.txt
+++ b/Documentation/devicetree/bindings/arm/arm,scpi.txt
@@ -7,7 +7,9 @@ by Linux to initiate various system control and power operations.
 
 Required properties:
 
-- compatible : should be "arm,scpi"
+- compatible : should be
+	* "arm,scpi" : For implementations complying to SCPI v1.0 or above
+	* "arm,legacy-scpi" : For implementations complying pre SCPI v1.0
 - mboxes: List of phandle and mailbox channel specifiers
 	  All the channels reserved by remote SCP firmware for use by
 	  SCPI message protocol should be specified in any order
-- 
1.9.1