diff mbox series

[net-next,18/19] dt-bindings: can: fsl,flexcan: add fsl,scu-index property to indicate a resource

Message ID 20210107094900.173046-19-mkl@pengutronix.de
State New
Headers show
Series None | expand

Commit Message

Marc Kleine-Budde Jan. 7, 2021, 9:48 a.m. UTC 
From: Joakim Zhang <qiangqing.zhang@nxp.com>

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>
---
 .../devicetree/bindings/net/can/fsl,flexcan.yaml      | 11 +++++++++++
 1 file changed, 11 insertions(+)
diff mbox series

Patch

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>;
     };