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Fri, 23 Nov 2018 07:25:17 +0000 From: Joakim Zhang To: "robh@kernel.org" CC: "linux-can@vger.kernel.org" , "mkl@pengutronix.de" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "mark.rutland@arm.com" , Aisheng DONG , Joakim Zhang Subject: [PATCH RESEND V2] Documentation: can: flexcan: add stop mode property Thread-Topic: [PATCH RESEND V2] Documentation: can: flexcan: add stop mode property Thread-Index: AQHUgv2uniFxiGPsD0qYPV4M2+BqFw== Date: Fri, 23 Nov 2018 07:25:17 +0000 Message-ID: <20181123072305.18236-1-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: SG2PR01CA0173.apcprd01.prod.exchangelabs.com (2603:1096:4:28::29) To DB7PR04MB4618.eurprd04.prod.outlook.com (2603:10a6:5:36::24) authentication-results: spf=none (sender IP is ) smtp.mailfrom=qiangqing.zhang@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [92.121.68.129] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; 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DIR:OUT; SFP:1101; SCL:1; SRVR:DB7PR04MB4409; 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: 7DgYpgm4bKW8ofcviIWrhJdMNqNw3Lst4Ywvigmne3fFz0TDZgIoyuaD39181LeAxb0EhLz5xES/T4rfv/zgtJqIlFIdYIZ1BDneRvWwC1hQT/ujjVPcAR+WFYW+3vFD0YM9QABrUSY8HCbxpL21LWAL4Lk9B/qT65QnNCpGsBWU1QEdZm4i+4rO3M+c66Efje4z+bFG+ZZflfLzbZTly/cGJ+PyNxF/WDSJSHKLkrSWHJH1vZiHcvmc80FoD/fQJsBaJiA/GXdSPWBFpBQ7iVo603UncjBvuk0L8xm3jPHndgaPJjhlHVISQw0Jx3mS7ibsH9fHV1geccBrIqRDKjPiIb6epM/GqrbGRMGOqX8= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1d9bae3b-a23d-4b52-a227-08d65114d135 X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Nov 2018 07:25:17.4559 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB7PR04MB4409 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Dong Aisheng The FlexCAN controller can parse the stop mode property to enable CAN self wakeup feature. Signed-off-by: Dong Aisheng Signed-off-by: Joakim Zhang --- ChangeLog: V1->V2: *add a vendor prefix in property (stop-mode -> fsl,stop-mode). --- 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 {