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Date: Mon, 24 Jul 2017 18:05:17 -0500 From: Franklin S Cooper Jr <fcooper@...com> To: <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>, <netdev@...r.kernel.org>, <linux-can@...r.kernel.org>, <wg@...ndegger.com>, <mkl@...gutronix.de>, <robh+dt@...nel.org>, <quentin.schulz@...e-electrons.com>, <dev.kurt@...dijck-laurijssen.be>, <andrew@...n.ch>, <sergei.shtylyov@...entembedded.com>, <socketcan@...tkopp.net> CC: Franklin S Cooper Jr <fcooper@...com> Subject: [PATCH v2 0/4] can: Add new binding to limit bit rate used Add a new generic binding that CAN drivers can use to specify the max arbitration and data bit rate supported by a transceiver. This is useful since in some instances the maximum speeds may be limited by the transceiver used. However, transceivers may not provide a means to determine this limitation at runtime. Therefore, create a new binding that mimics "fixed-link" that allows a user to hardcode the max speeds that can be used. Also add support for this new binding in the MCAN driver. Note this is an optional subnode so even if a driver adds support for parsing fixed-transceiver the user does not have to define it in their device tree. Version 2 changes: Rename function Define proper variable default Drop unit address Move check to changelink function Reword commit message Reword documentation Franklin S Cooper Jr (4): can: dev: Add support for limiting configured bitrate can: fixed-transceiver: Add documentation for CAN fixed transceiver bindings can: m_can: Update documentation to mention new fixed transceiver binding can: m_can: Add call to of_can_transceiver_fixed .../bindings/net/can/fixed-transceiver.txt | 42 +++++++++++++++ .../devicetree/bindings/net/can/m_can.txt | 10 ++++ drivers/net/can/dev.c | 59 ++++++++++++++++++++++ drivers/net/can/m_can/m_can.c | 2 + include/linux/can/dev.h | 5 ++ 5 files changed, 118 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/can/fixed-transceiver.txt -- 2.10.0
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