Merge remote-tracking branch 'userns/for-next'

[karo-tx-linux.git] / Documentation / devicetree / bindings / misc / sram.txt

diff --git a/Documentation/devicetree/bindings/misc/sram.txt b/Documentation/devicetree/bindings/misc/sram.txt
index 36cbe5aea990ae77ab6212feb8e4aa27275c022b..42ee9438b77162ea8e9c5eb4b38468c88c92258e 100644 (file)
--- a/Documentation/devicetree/bindings/misc/sram.txt
+++ b/Documentation/devicetree/bindings/misc/sram.txt
@@ -33,6 +33,12 @@ Optional properties in the area nodes:
 
 - compatible : standard definition, should contain a vendor specific string
                in the form <vendor>,[<device>-]<usage>
+- pool : indicates that the particular reserved SRAM area is addressable
+         and in use by another device or devices
+- export : indicates that the reserved SRAM area may be accessed outside
+           of the kernel, e.g. by bootloader or userspace
+- label : the name for the reserved partition, if omitted, the label
+          is taken from the node name excluding the unit address.
 
 Example:
 
@@ -48,4 +54,14 @@ sram: sram@5c000000 {
                compatible = "socvendor,smp-sram";
                reg = <0x100 0x50>;
        };
+
+       device-sram@1000 {
+               reg = <0x1000 0x1000>;
+               pool;
+       };
+
+       exported@20000 {
+               reg = <0x20000 0x20000>;
+               export;
+       };
 };