[PATCH RESEND V2] Documentation: can: flexcan: add stop mode property

From: Joakim Zhang
Date: Sat Nov 24 2018 - 12:08:28 EST


From: Dong Aisheng <aisheng.dong@xxxxxxx>

The FlexCAN controller can parse the stop mode property to enable CAN
self wakeup feature.

Signed-off-by: Dong Aisheng <aisheng.dong@xxxxxxx>
Signed-off-by: Joakim Zhang <qiangqing.zhang@xxxxxxx>
---
ChangeLog:
V1->V2:
*add a vendor prefix in property (stop-mode -> fsl,stop-mode).
---
Documentation/devicetree/bindings/net/can/fsl-flexcan.txt | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
index bfc0c433654f..bc77477c6878 100644
--- a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
+++ b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
@@ -24,6 +24,14 @@ Optional properties:
if this property is present then controller is assumed to be big
endian.

+- fsl,stop-mode: register bits of stop mode control, the format is
+ <&gpr req_gpr req_bit ack_gpr ack_bit>.
+ gpr is the phandle to general purpose register node.
+ req_gpr is the gpr register offset of CAN stop request.
+ req_bit is the bit offset of CAN stop request.
+ ack_gpr is the gpr register offset of CAN stop acknowledge.
+ ack_bit is the bit offset of CAN stop acknowledge.
+
Example:

can@1c000 {
--
2.17.1