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Thu, 23 Nov 2017 09:51:56 +0000 Received: from uefi-workstation.ap.freescale.net (uefi-workstation.ap.freescale.net [10.232.14.83]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id vAN9pqkC005771; Thu, 23 Nov 2017 02:51:53 -0700 From: Pankaj Bansal To: , , , , , CC: , , Pankaj Bansal Subject: [PATCH v2 1/4] Documentation : can : flexcan : Add big-endian property to device tree Date: Thu, 23 Nov 2017 15:25:32 +0530 Message-ID: <1511430935-29783-1-git-send-email-pankaj.bansal@nxp.com> X-Mailer: git-send-email 2.7.4 X-EOPAttributedMessage: 0 X-Matching-Connectors: 131559043168640010; (91ab9b29-cfa4-454e-5278-08d120cd25b8); () X-Forefront-Antispam-Report: CIP:192.88.168.50; IPV:NLI; CTRY:US; EFV:NLI; SFV:NSPM; SFS:(10009020)(6009001)(7966004)(336005)(376002)(346002)(39860400002)(39380400002)(2980300002)(1110001)(1109001)(339900001)(199003)(189002)(316002)(33646002)(47776003)(105606002)(50986999)(498600001)(106466001)(50226002)(6666003)(36756003)(77096006)(189998001)(53936002)(5003940100001)(8676002)(81156014)(2906002)(104016004)(48376002)(97736004)(81166006)(110136005)(4326008)(356003)(2201001)(54906003)(50466002)(86362001)(5660300001)(305945005)(85426001)(16586007)(68736007)(8656006)(8936002); 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Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO2PR03MB2359 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The FlexCAN controller can be modelled as little or big endian depending on SOC design. This device tree property identifies the controller endianness and the driver reads/writes controller registers based on that. This is optional property. i.e. if this property is not present in device tree node then controller is assumed to be little endian. if this property is present then controller is assumed to be big endian. Signed-off-by: Pankaj Bansal Reviewed-by: Poonam Aggrwal --- Changes in v2: - No change. - Added one more patch in series. Documentation/devicetree/bindings/net/can/fsl-flexcan.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt index 56d6cc3..bb081ba 100644 --- a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt +++ b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt @@ -18,6 +18,8 @@ Optional properties: - xceiver-supply: Regulator that powers the CAN transceiver +- big-endian: This means the registers of FlexCAN controller are big endian + Example: can@1c000 {