[PATCH 3/6] dt-bindings: can: flexcan: add fsl,can-index property to indicate a resource

[Joakim Zhang]

For SoCs with SCU support, need setup stop mode via SCU firmware,
so this property can help indicate a resource.

Signed-off-by: Joakim Zhang <qiangqing.zhang@xxxxxxx>
---
 Documentation/devicetree/bindings/net/can/fsl-flexcan.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
index 6af67f5e581c..839c0c0064a2 100644
--- a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
+++ b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
@@ -43,6 +43,10 @@ Optional properties:
 		  0: clock source 0 (oscillator clock)
 		  1: clock source 1 (peripheral clock)
 
+- fsl,can-index: The index of CAN instance.
+                 For SoCs with SCU support, need setup stop mode via SCU firmware,
+                 so this property can help indicate a resource.
+
 - wakeup-source: enable CAN remote wakeup
 
 Example:
@@ -54,4 +58,5 @@ Example:
 		interrupt-parent = <&mpic>;
 		clock-frequency = <200000000>; // filled in by bootloader
 		fsl,clk-source = /bits/ 8 <0>; // select clock source 0 for PE
+		fsl,can-index = /bits/ 8 <1>; // the second CAN instance
 	};
-- 
2.17.1