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 V2 2/2] Documentation: can: flexcan: Add stop mode property to device tree
Date: Fri, 26 Oct 2018 09:00:40 +0000 [thread overview]
Message-ID: <20181026085814.23370-3-qiangqing.zhang@nxp.com> (raw)
In-Reply-To: <20181026085814.23370-1-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..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@1c000 {
--
2.17.1
next prev parent reply other threads:[~2018-10-26 9:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-26 9:00 [PATCH V2 0/2] can: flexcan: Add CAN self wakeup support Joakim Zhang
2018-10-26 9:00 ` [PATCH V2 1/2] can: flexcan: Add " Joakim Zhang
2018-10-30 13:44 ` Marc Kleine-Budde
2018-11-12 1:47 ` Joakim Zhang
2018-10-26 9:00 ` Joakim Zhang [this message]
2018-10-30 21:48 ` [PATCH V2 2/2] Documentation: can: flexcan: Add stop mode property to device tree Rob Herring
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