[PATCH V1 2/2] Documentation: can: flexcan: Add stop-mode property to device tree

From: Joakim Zhang
Date: Tue Oct 23 2018 - 01:17:16 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>
---
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..b5ccfc9c14fb 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.

+- 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