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authorJoakim Zhang <qiangqing.zhang@nxp.com>2020-11-06 18:56:24 +0800
committerMarc Kleine-Budde <mkl@pengutronix.de>2021-01-06 15:20:13 +0100
commit8b76621b8917a87a8da5fd19f615ff573abf27a3 (patch)
tree9902c78b95e3548abd32503b396a3b00d0953872 /Documentation
parent0de70e287b44a0735273919c987313f021cccb72 (diff)
downloadlinux-8b76621b8917a87a8da5fd19f615ff573abf27a3.tar.gz
dt-bindings: can: fsl,flexcan: add fsl,scu-index property to indicate a resource
For SoCs with SCU support, need setup stop mode via SCU firmware, so this
property can help indicate a resource in SCU firmware.

Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Link: https://lore.kernel.org/r/20201106105627.31061-3-qiangqing.zhang@nxp.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml b/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
index 0d2df30f19db..fe6a949a2eab 100644
--- a/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
+++ b/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
@@ -110,6 +110,16 @@ properties:
     description:
       Enable CAN remote wakeup.
 
+  fsl,scu-index:
+    description: |
+      The scu index of CAN instance.
+      For SoCs with SCU support, need setup stop mode via SCU firmware, so this
+      property can help indicate a resource. It supports up to 3 CAN instances
+      now.
+    $ref: /schemas/types.yaml#/definitions/uint8
+    minimum: 0
+    maximum: 2
+
 required:
   - compatible
   - reg
@@ -137,4 +147,5 @@ examples:
         clocks = <&clks 1>, <&clks 2>;
         clock-names = "ipg", "per";
         fsl,stop-mode = <&gpr 0x34 28>;
+        fsl,scu-index = /bits/ 8 <1>;
     };