Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752668AbdHJBAP (ORCPT ); Wed, 9 Aug 2017 21:00:15 -0400 Received: from lelnx193.ext.ti.com ([198.47.27.77]:23972 "EHLO lelnx193.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752335AbdHJBAK (ORCPT ); Wed, 9 Aug 2017 21:00:10 -0400 From: Franklin S Cooper Jr To: , , , , , , , , , , , CC: Franklin S Cooper Jr Subject: [PATCH v4 2/4] dt-bindings: can: can-transceiver: Document new binding Date: Wed, 9 Aug 2017 19:59:14 -0500 Message-ID: <20170810005916.27163-3-fcooper@ti.com> X-Mailer: git-send-email 2.9.4.dirty In-Reply-To: <20170810005916.27163-1-fcooper@ti.com> References: <20170810005916.27163-1-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: 1469 Lines: 46 Add documentation to describe usage of the new can-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 --- Version 4 changes: Drop unit address. Switch from using fixed-transceiver to can-transceiver .../bindings/net/can/can-transceiver.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/can/can-transceiver.txt diff --git a/Documentation/devicetree/bindings/net/can/can-transceiver.txt b/Documentation/devicetree/bindings/net/can/can-transceiver.txt new file mode 100644 index 0000000..2c31dc0 --- /dev/null +++ b/Documentation/devicetree/bindings/net/can/can-transceiver.txt @@ -0,0 +1,24 @@ +Generic CAN 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 "can-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 { + .... + can-transceiver@ { + max-bitrate = <5000000>; + }; + ... +}; -- 2.9.4.dirty