Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752052AbdHCAwt (ORCPT ); Wed, 2 Aug 2017 20:52:49 -0400 Received: from lelnx194.ext.ti.com ([198.47.27.80]:33608 "EHLO lelnx194.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752000AbdHCAwo (ORCPT ); Wed, 2 Aug 2017 20:52:44 -0400 From: Franklin S Cooper Jr To: , , , , , , , , , , , CC: Franklin S Cooper Jr Subject: [PATCH v3 2/4] dt-bindings: can: fixed-transceiver: Add new CAN fixed transceiver bindings Date: Wed, 2 Aug 2017 19:51:48 -0500 Message-ID: <20170803005150.9286-3-fcooper@ti.com> X-Mailer: git-send-email 2.9.4.dirty In-Reply-To: <20170803005150.9286-1-fcooper@ti.com> References: <20170803005150.9286-1-fcooper@ti.com> MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1385 Lines: 42 Add documentation to describe usage of the new fixed transceiver binding. This new binding is applicable for any CAN device therefore it exists as its own document. Signed-off-by: Franklin S Cooper Jr --- .../bindings/net/can/fixed-transceiver.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/can/fixed-transceiver.txt diff --git a/Documentation/devicetree/bindings/net/can/fixed-transceiver.txt b/Documentation/devicetree/bindings/net/can/fixed-transceiver.txt new file mode 100644 index 0000000..2f58838b --- /dev/null +++ b/Documentation/devicetree/bindings/net/can/fixed-transceiver.txt @@ -0,0 +1,24 @@ +Fixed transceiver Device Tree binding +------------------------------ + +CAN transceiver typically limits the max speed in standard CAN and CAN FD +modes. Typically these limitations are static and the transceivers themselves +provide no way to detect this limitation at runtime. For this situation, +the "fixed-transceiver" node can be used. + +Required Properties: + max-bitrate: a positive non 0 value that determines the max + speed that CAN/CAN-FD can run. Any other value + will be ignored. + +Examples: + +Based on Texas Instrument's TCAN1042HGV CAN Transceiver + +m_can0 { + .... + fixed-transceiver@0 { + max-bitrate = <5000000>; + }; + ... +}; -- 2.9.4.dirty