ARM: dts: Improve CCI bindings documentation

Improve the description of the value types used in the CCI binding.

Cc: devicetree@vger.kernel.org
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

1 files changed, 9 insertions, 3 deletions

diff --git a/Documentation/devicetree/bindings/arm/cci.txt b/Documentation/devicetree/bindings/arm/cci.txt
index 92d36e2aa877..024c03df051a 100644
--- a/Documentation/devicetree/bindings/arm/cci.txt
+++ b/Documentation/devicetree/bindings/arm/cci.txt
@@ -36,14 +36,18 @@ specific to ARM.
 
         - reg
                 Usage: required
-                Value type: <prop-encoded-array>
+                Value type: Integer cells. A register entry, expressed as a pair
+                            of cells, containing base and size.
                 Definition: A standard property. Specifies base physical
                             address of CCI control registers common to all
                             interfaces.
 
         - ranges:
                 Usage: required
-                Value type: <prop-encoded-array>
+                Value type: Integer cells. An array of range entries, expressed
+                            as a tuple of cells, containing child address,
+                            parent address and the size of the region in the
+                            child address space.
                 Definition: A standard property. Follow rules in the ePAPR for
                             hierarchical bus addressing. CCI interfaces
                             addresses refer to the parent node addressing
@@ -74,7 +78,9 @@ specific to ARM.
 
                 - reg:
                         Usage: required
-                        Value type: <prop-encoded-array>
+                        Value type: Integer cells. A register entry, expressed
+                                    as a pair of cells, containing base and
+                                    size.
                         Definition: the base address and size of the
                                     corresponding interface programming
                                     registers.