From: MaJun <[email protected]> Add the two-level-route property in ITS node. When this property string defined, two-level route(indirect) function will be enabled in ITS driver, otherwise disable it.
Signed-off-by: MaJun <[email protected]> --- Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt index 4c29cda..e9f4a9c 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt @@ -74,6 +74,8 @@ These nodes must have the following properties: which will generate the MSI. - reg: Specifies the base physical address and size of the ITS registers. +- two-level-route: This is an optional property which means enable the two level + route property when look up route table. The main GIC node must contain the appropriate #address-cells, #size-cells and ranges properties for the reg property of all ITS @@ -97,6 +99,7 @@ Examples: gic-its@2c200000 { compatible = "arm,gic-v3-its"; + two-level-route; msi-controller; #msi-cells = <1>; reg = <0x0 0x2c200000 0 0x200000>; -- 1.7.12.4
