[PATCH v2 1/3] add binding for STIh4xx ION driver

[Benjamin Gaignard]

Describe bindings for STIH4xx ION driver.
They are limited to have is used by ion_of.c

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
---
 .../devicetree/bindings/staging/ion/st,sti-ion.txt      | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/staging/ion/st,sti-ion.txt

diff --git a/Documentation/devicetree/bindings/staging/ion/st,sti-ion.txt b/Documentation/devicetree/bindings/staging/ion/st,sti-ion.txt
new file mode 100644
index 0000000..ec6dd9d
--- /dev/null
+++ b/Documentation/devicetree/bindings/staging/ion/st,sti-ion.txt
@@ -0,0 +1,17 @@
+STIH4xxSoC ION
+
+Required properties:
+- compatible: "st,sti-ion", "linux,ion"
+- list of ION heaps:
+	- compatible: "st,cma-heap", "linux,ion-heap-dma"
+
+heap bindings are defined in drivers/staging/android/ion/devicetree.txt
+
+Example:
+	ion {
+		compatible = "st,sti-ion", "linux,ion";
+
+		ion-cma-heap {
+			compatible = "st,cma-heap", "linux,ion-heap-dma";
+		};
+	};
-- 
1.9.1