From patchwork Mon Feb 17 14:28:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Faiz Abbas X-Patchwork-Id: 1239268 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) 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; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256 header.s=ti-com-17Q1 header.b=uDgHPfvP; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48LmXq1Hf3z9sRk for ; Tue, 18 Feb 2020 01:27:39 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729020AbgBQO1i (ORCPT ); Mon, 17 Feb 2020 09:27:38 -0500 Received: from fllv0015.ext.ti.com ([198.47.19.141]:41510 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728845AbgBQO1W (ORCPT ); Mon, 17 Feb 2020 09:27:22 -0500 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 01HEQxeF041813; Mon, 17 Feb 2020 08:26:59 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1581949619; bh=d45ru5d3fIe+VZkm3lVD10Gnrxhb5tb33AdK63CL63Y=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=uDgHPfvP/R4R2E79YryAUHEf0ID5wky+B81iDKsc+JjLDA44TofwAf3JlqLvd75m6 e2BaTFfKsdsSpuKc0yYOU0JEgobsPspkycxImlJi3JOyijDIT81UL2sBgu55oYboAZ 9ylzoBULVAwaUHkT9pUwKK0a/WYI/QHLzhvezsLs= Received: from DFLE109.ent.ti.com (dfle109.ent.ti.com [10.64.6.30]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 01HEQxD3064624; Mon, 17 Feb 2020 08:26:59 -0600 Received: from DFLE105.ent.ti.com (10.64.6.26) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3; Mon, 17 Feb 2020 08:26:59 -0600 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3 via Frontend Transport; Mon, 17 Feb 2020 08:26:59 -0600 Received: from a0230074-OptiPlex-7010.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 01HEQoJM033875; Mon, 17 Feb 2020 08:26:55 -0600 From: Faiz Abbas To: , , , , CC: , , , , , , , , , Subject: [PATCH v2 1/3] dt-bindings: m_can: Add Documentation for transceiver regulator Date: Mon, 17 Feb 2020 19:58:34 +0530 Message-ID: <20200217142836.23702-2-faiz_abbas@ti.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20200217142836.23702-1-faiz_abbas@ti.com> References: <20200217142836.23702-1-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 Some CAN transceivers have a standby line that needs to be asserted before they can be used. Model this GPIO lines as an optional fixed-regulator node. Document bindings for the same. Signed-off-by: Faiz Abbas --- Documentation/devicetree/bindings/net/can/m_can.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/net/can/m_can.txt b/Documentation/devicetree/bindings/net/can/m_can.txt index ed614383af9c..f17e2a5207dc 100644 --- a/Documentation/devicetree/bindings/net/can/m_can.txt +++ b/Documentation/devicetree/bindings/net/can/m_can.txt @@ -48,6 +48,9 @@ Optional Subnode: that can be used for CAN/CAN-FD modes. See Documentation/devicetree/bindings/net/can/can-transceiver.txt for details. + +- xceiver-supply: Regulator that powers the CAN transceiver. + Example: SoC dtsi: m_can1: can@20e8000 { From patchwork Mon Feb 17 14:28:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Faiz Abbas X-Patchwork-Id: 1239266 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) 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; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256 header.s=ti-com-17Q1 header.b=mUDo/OGX; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48LmXh6yvBz9sRl for ; Tue, 18 Feb 2020 01:27:32 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728999AbgBQO13 (ORCPT ); Mon, 17 Feb 2020 09:27:29 -0500 Received: from lelv0143.ext.ti.com ([198.47.23.248]:42986 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728848AbgBQO1W (ORCPT ); Mon, 17 Feb 2020 09:27:22 -0500 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 01HER5ni084812; Mon, 17 Feb 2020 08:27:05 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1581949625; bh=MOTssjoB0GIV30lVcJaxAIVOL5DWVb4N01J+ze4pt64=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=mUDo/OGXVlzNFKGwEW1rIXWQYkfjSOHuH6Y8MLHM+cBsMqpHIOK6N55zKAoed6SmJ jXyevT2SOpBJR8jlfS62LsumwBhpZ/IvXVU0YEDdP8cJTztFPTn9EQCq3oZR2AvVJy RnwmPPjW6rFF/q+IblegAJ/i7bgvA37Q/0oEnjkQ= Received: from DFLE111.ent.ti.com (dfle111.ent.ti.com [10.64.6.32]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 01HER4Un117386 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 17 Feb 2020 08:27:05 -0600 Received: from DFLE101.ent.ti.com (10.64.6.22) by DFLE111.ent.ti.com (10.64.6.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3; Mon, 17 Feb 2020 08:27:03 -0600 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE101.ent.ti.com (10.64.6.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3 via Frontend Transport; Mon, 17 Feb 2020 08:27:04 -0600 Received: from a0230074-OptiPlex-7010.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 01HEQoJN033875; Mon, 17 Feb 2020 08:26:59 -0600 From: Faiz Abbas To: , , , , CC: , , , , , , , , , Subject: [PATCH v2 2/3] can: m_can: m_can_platform: Add support for enabling transceiver Date: Mon, 17 Feb 2020 19:58:35 +0530 Message-ID: <20200217142836.23702-3-faiz_abbas@ti.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20200217142836.23702-1-faiz_abbas@ti.com> References: <20200217142836.23702-1-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 CAN transceivers on some boards have a standby line which can be toggled to enable/disable the transceiver. Model this as an optional fixed xceiver regulator. Signed-off-by: Faiz Abbas Acked-by: Sriram Dash --- drivers/net/can/m_can/m_can_platform.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/can/m_can/m_can_platform.c b/drivers/net/can/m_can/m_can_platform.c index 38ea5e600fb8..719468fab507 100644 --- a/drivers/net/can/m_can/m_can_platform.c +++ b/drivers/net/can/m_can/m_can_platform.c @@ -6,6 +6,7 @@ // Copyright (C) 2018-19 Texas Instruments Incorporated - http://www.ti.com/ #include +#include #include "m_can.h" @@ -57,6 +58,7 @@ static int m_can_plat_probe(struct platform_device *pdev) { struct m_can_classdev *mcan_class; struct m_can_plat_priv *priv; + struct regulator *reg_xceiver; struct resource *res; void __iomem *addr; void __iomem *mram_addr; @@ -111,6 +113,10 @@ static int m_can_plat_probe(struct platform_device *pdev) m_can_init_ram(mcan_class); + reg_xceiver = devm_regulator_get_optional(&pdev->dev, "xceiver"); + if (PTR_ERR(reg_xceiver) == -EPROBE_DEFER) + return -EPROBE_DEFER; + ret = m_can_class_register(mcan_class); failed_ret: From patchwork Mon Feb 17 14:28:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Faiz Abbas X-Patchwork-Id: 1239265 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) 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; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256 header.s=ti-com-17Q1 header.b=tgRDFPOq; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48LmXb44mpz9sRY for ; Tue, 18 Feb 2020 01:27:27 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728963AbgBQO1W (ORCPT ); Mon, 17 Feb 2020 09:27:22 -0500 Received: from fllv0015.ext.ti.com ([198.47.19.141]:41508 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728797AbgBQO1V (ORCPT ); Mon, 17 Feb 2020 09:27:21 -0500 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 01HER8p6041844; Mon, 17 Feb 2020 08:27:08 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1581949628; bh=x20XuJyDG5O2+c37QkvjXakZ6PsI56wqgW7J8Vp8Wo8=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=tgRDFPOqdqWFak0bU8cCloDasY+dLYgWOyjBs0QQyqJ3140cTUTkJaX5KkmLCrIg5 KkvdprNLDmi8wXZYwipdidm10AHKmToy0B7tJGY9lr1Si0T23BGaFcatFS84hpDm/z ZoJzxIyoN8+ryGgjlZ2FS8uItpsY/ctan70MOBmw= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 01HER86Q065030; Mon, 17 Feb 2020 08:27:08 -0600 Received: from DFLE102.ent.ti.com (10.64.6.23) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3; Mon, 17 Feb 2020 08:27:08 -0600 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3 via Frontend Transport; Mon, 17 Feb 2020 08:27:08 -0600 Received: from a0230074-OptiPlex-7010.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 01HEQoJO033875; Mon, 17 Feb 2020 08:27:04 -0600 From: Faiz Abbas To: , , , , CC: , , , , , , , , , Subject: [PATCH v2 3/3] arm64: defconfig: Add Support for Bosch M_CAN controllers Date: Mon, 17 Feb 2020 19:58:36 +0530 Message-ID: <20200217142836.23702-4-faiz_abbas@ti.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20200217142836.23702-1-faiz_abbas@ti.com> References: <20200217142836.23702-1-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 Enable configs for supporting Bosch M_CAN controllers. Signed-off-by: Faiz Abbas --- arch/arm64/configs/defconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 905109f6814f..b25bbcf691b6 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -161,6 +161,9 @@ CONFIG_QRTR=m CONFIG_QRTR_SMD=m CONFIG_QRTR_TUN=m CONFIG_BPF_JIT=y +CONFIG_CAN=m +CONFIG_CAN_M_CAN=m +CONFIG_CAN_M_CAN_PLATFORM=m CONFIG_BT=m CONFIG_BT_HIDP=m # CONFIG_BT_HS is not set