linux-kernel - [PATCH V2 2/2] Documentation: can: flexcan: Add stop mode property to device tree

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Date:   Fri, 26 Oct 2018 09:00:40 +0000
From:   Joakim Zhang <qiangqing.zhang@....com>
To:     "linux-can@...r.kernel.org" <linux-can@...r.kernel.org>
CC:     "wg@...ndegger.com" <wg@...ndegger.com>,
        "mkl@...gutronix.de" <mkl@...gutronix.de>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>,
        "A.s. Dong" <aisheng.dong@....com>,
        Joakim Zhang <qiangqing.zhang@....com>
Subject: [PATCH V2 2/2] Documentation: can: flexcan: Add stop mode property to
 device tree

From: Dong Aisheng <aisheng.dong@....com>

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

Signed-off-by: Dong Aisheng <aisheng.dong@....com>
Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
---
 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..23d56f7ebe3d 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@...00 {
-- 
2.17.1