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Fri, 23 Nov 2018 08:35:29 +0000 From: Joakim Zhang To: "linux-can@vger.kernel.org" , "mkl@pengutronix.de" , "robh+dt@kernel.org" CC: "wg@grandegger.com" , "mark.rutland@arm.com" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , dl-linux-imx , Aisheng DONG , Joakim Zhang Subject: [PATCH V6 1/2] Documentation: can: flexcan: add stop mode property to device tree Thread-Topic: [PATCH V6 1/2] Documentation: can: flexcan: add stop mode property to device tree Thread-Index: AQHUgwd9j5Kw+dcCB0+EZqNn/lx4kw== Date: Fri, 23 Nov 2018 08:35:29 +0000 Message-ID: <20181123083304.3232-2-qiangqing.zhang@nxp.com> References: <20181123083304.3232-1-qiangqing.zhang@nxp.com> In-Reply-To: <20181123083304.3232-1-qiangqing.zhang@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.17.1 x-clientproxiedby: SG2PR04CA0182.apcprd04.prod.outlook.com (2603:1096:4:14::20) To DB7PR04MB4618.eurprd04.prod.outlook.com (2603:10a6:5:36::24) authentication-results: spf=none (sender IP is ) smtp.mailfrom=qiangqing.zhang@nxp.com; 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DIR:OUT; SFP:1101; SCL:1; SRVR:DB7PR04MB5129; H:DB7PR04MB4618.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: a3LoyhHmCq5kGScReinDAmcPeXULK9B0LJF8mxGnTuCj0qfyLhduNjJqwP2mSRJ1gZ72iCSjCeSa3ZMhJJLGxmZLngNkx9sLmBnIRCqSYiztrmemOY9TdZ9bWR8iMt7h8m+WkdEml0B9HFHwGC+7F1D3kzR4mElZYq9s6XBmOjPHCNizqsITGkMl1mC1omcX6gf0xZmpYdacHvpWf2qafmtISVils9dIYGRoK0H2pXrpTKk7RZQuFtP5jIYxGesnR6Ql+R4B9nNOHXDCuqiGxKkt4DSP1uKxXvqe165Ye7a3JUGuILOYaUidLj6BkDBXAm+/dHf6x4qG9AYY+v0eaWsb6TkZZWwZ/XCSHYEzzhE= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1f7de02f-7ed8-4e39-5cab-08d6511e9f97 X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Nov 2018 08:35:29.1932 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB7PR04MB5129 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Aisheng Dong The FlexCAN controller can parse the stop mode property to enable CAN self wakeup feature. Signed-off-by: Aisheng Dong Signed-off-by: Joakim Zhang Reviewed-by: Rob Herring --- 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@1c000 {