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From: Joakim Zhang <qiangqing.zhang@nxp.com>
To: "linux-can@vger.kernel.org" <linux-can@vger.kernel.org>
Cc: "wg@grandegger.com" <wg@grandegger.com>,
	"mkl@pengutronix.de" <mkl@pengutronix.de>,
	"robh+dt@kernel.org" <robh+dt@kernel.org>,
	"mark.rutland@arm.com" <mark.rutland@arm.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	dl-linux-imx <linux-imx@nxp.com>,
	"A.s. Dong" <aisheng.dong@nxp.com>,
	Joakim Zhang <qiangqing.zhang@nxp.com>
Subject: [PATCH V1 2/2] Documentation: can: flexcan: Add stop-mode property to device tree
Date: Tue, 23 Oct 2018 05:17:10 +0000	[thread overview]
Message-ID: <20181023051449.2116-3-qiangqing.zhang@nxp.com> (raw)
In-Reply-To: <20181023051449.2116-1-qiangqing.zhang@nxp.com>

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

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

Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.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..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


  parent reply	other threads:[~2018-10-23  5:17 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-23  5:17 [PATCH V1 0/2] can: flexcan: Add CAN self wakeup support Joakim Zhang
2018-10-23  5:17 ` [PATCH V1 1/2] can: flexcan: Add " Joakim Zhang
2018-10-23  5:17 ` Joakim Zhang [this message]
2018-10-24 23:57   ` [PATCH V1 2/2] Documentation: can: flexcan: Add stop-mode property to device tree Rob Herring
2018-10-25  0:40     ` Joakim Zhang

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