From patchwork Tue Jan 16 11:37:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Faiz Abbas X-Patchwork-Id: 861423 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.b="lk304c5M"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zLSsj48m8z9sNV for ; Tue, 16 Jan 2018 22:38:49 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751885AbeAPLgr (ORCPT ); Tue, 16 Jan 2018 06:36:47 -0500 Received: from fllnx209.ext.ti.com ([198.47.19.16]:61102 "EHLO fllnx209.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751611AbeAPLgo (ORCPT ); Tue, 16 Jan 2018 06:36:44 -0500 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by fllnx209.ext.ti.com (8.15.1/8.15.1) with ESMTP id w0GBaVa1026327; Tue, 16 Jan 2018 05:36:31 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ti.com; s=ti-com-17Q1; t=1516102591; bh=eOwjg8yxSkNq9ENDJmCNjcSnhc+AwsAS3n2IJW8BR8o=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=lk304c5Mtu1y1V6N1evvhrcLtH9S7ExvgspePAKtXlv9iNZRmCrB6m/d7hjAH1tyl 147+4OUFVPUT/k3iHcqhVqBjll3fhbMtABfpVAH80VIvrhGBdk9ub37HnJV9uo0HAH HwAPhqG4LqqDkT+jfWB+QAEuUSGuAiyczmxdcmiI= Received: from DFLE112.ent.ti.com (dfle112.ent.ti.com [10.64.6.33]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id w0GBaVqh024342; Tue, 16 Jan 2018 05:36:31 -0600 Received: from DFLE100.ent.ti.com (10.64.6.21) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1261.35; Tue, 16 Jan 2018 05:36:31 -0600 Received: from dflp32.itg.ti.com (10.64.6.15) by DFLE100.ent.ti.com (10.64.6.21) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1261.35 via Frontend Transport; Tue, 16 Jan 2018 05:36:31 -0600 Received: from a0230074-OptiPlex-7010.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id w0GBaLDv026868; Tue, 16 Jan 2018 05:36:26 -0600 From: Faiz Abbas To: , , , CC: , , , , , , , , , , , Subject: [PATCH v8 1/5] dt-bindings: can: m_can: Document new can transceiver binding Date: Tue, 16 Jan 2018 17:07:10 +0530 Message-ID: <1516102634-6771-2-git-send-email-faiz_abbas@ti.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1516102634-6771-1-git-send-email-faiz_abbas@ti.com> References: <1516102634-6771-1-git-send-email-faiz_abbas@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Franklin S Cooper Jr Add information regarding can-transceiver binding. This is especially important for MCAN since the IP allows CAN FD mode to run significantly faster than what most transceivers are capable of. Signed-off-by: Franklin S Cooper Jr Signed-off-by: Sekhar Nori Acked-by: Rob Herring Signed-off-by: Faiz Abbas --- Documentation/devicetree/bindings/net/can/m_can.txt | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/net/can/m_can.txt b/Documentation/devicetree/bindings/net/can/m_can.txt index 63e9042..ed61438 100644 --- a/Documentation/devicetree/bindings/net/can/m_can.txt +++ b/Documentation/devicetree/bindings/net/can/m_can.txt @@ -43,6 +43,11 @@ Required properties: Please refer to 2.4.1 Message RAM Configuration in Bosch M_CAN user manual for details. +Optional Subnode: +- can-transceiver : Can-transceiver subnode describing maximum speed + that can be used for CAN/CAN-FD modes. See + Documentation/devicetree/bindings/net/can/can-transceiver.txt + for details. Example: SoC dtsi: m_can1: can@20e8000 { @@ -63,4 +68,8 @@ Board dts: pinctrl-names = "default"; pinctrl-0 = <&pinctrl_m_can1>; status = "enabled"; + + can-transceiver { + max-bitrate = <5000000>; + }; };