linux-kernel - [PATCH V6 1/2] Documentation: can: flexcan: add stop mode property to device tree

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Message-ID: <20181123083304.3232-2-qiangqing.zhang@nxp.com>
Date:   Fri, 23 Nov 2018 08:35:29 +0000
From:   Joakim Zhang <qiangqing.zhang@....com>
To:     "linux-can@...r.kernel.org" <linux-can@...r.kernel.org>,
        "mkl@...gutronix.de" <mkl@...gutronix.de>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>
CC:     "wg@...ndegger.com" <wg@...ndegger.com>,
        "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>,
        Aisheng DONG <aisheng.dong@....com>,
        Joakim Zhang <qiangqing.zhang@....com>
Subject: [PATCH V6 1/2] Documentation: can: flexcan: add stop mode property to
 device tree

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

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

Signed-off-by: Aisheng Dong <aisheng.dong@....com>
Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
---
ChangeLog:
V1->V2:
	*add a vendor prefix in property (stop-mode -> fsl,stop-mode).
V2->V6:
	*no change.
---
 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@...00 {
-- 
2.17.1