Signed-off-by: Vladimir Zapolskiy <[email protected]>
Cc: Rob Herring <[email protected]>
Cc: Pawel Moll <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: [email protected]
---
 .../devicetree/bindings/memory-controllers/arm,pl172.txt          | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/memory-controllers/arm,pl172.txt 
b/Documentation/devicetree/bindings/memory-controllers/arm,pl172.txt
index e6df32f..22b77ee 100644
--- a/Documentation/devicetree/bindings/memory-controllers/arm,pl172.txt
+++ b/Documentation/devicetree/bindings/memory-controllers/arm,pl172.txt
@@ -1,8 +1,9 @@
-* Device tree bindings for ARM PL172 MultiPort Memory Controller
+* Device tree bindings for ARM PL172/PL175/PL176 MultiPort Memory Controller
 
 Required properties:
 
-- compatible:          "arm,pl172", "arm,primecell"
+- compatible:          Must be "arm,primecell" and exactly one from
+                       "arm,pl172", "arm,pl175" or "arm,pl176".
 
 - reg:                 Must contains offset/length value for controller.
 
@@ -56,7 +57,8 @@ Optional child cs node config properties:
 
 - mpmc,extended-wait:  Enable extended wait.
 
-- mpmc,buffer-enable:  Enable write buffer.
+- mpmc,buffer-enable:  Enable write buffer, option is not supported by
+                       PL175 and PL176 controllers.
 
 - mpmc,write-protect:  Enable write protect.
 
-- 
2.1.4

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