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: 11386537 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EF29B109A for ; Mon, 17 Feb 2020 14:27:35 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AD26120801 for ; Mon, 17 Feb 2020 14:27:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Kx45NuV2"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ti.com header.i=@ti.com header.b="uDgHPfvP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AD26120801 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=ti.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=RZEvTsIkp87kHB1PcvZVNZxzdn+9VoGNNCTuhSg/DzQ=; b=Kx45NuV2+/8PBl NV1MrNWsCUKNGTvtqygo80HJiMM+UACrE5b3JScqKbllK+DrlXoc86/1PAnd28IhM75qqZdQPM56w /tmZ8/hOg4dAN5u8Kdp+QGifl7T6Ftx1YdB0t8+xrOm5+mqjHDf9AF0Tfw6ozIgiC8XYV1GFUcKCi VwoKp56TbIBSHgUIPs3LQc582AJOn2ITdLI3aeIOX4+CeUqwEid499MWJ/azPcSCYfjmmJ42yKmzh Uzhqlk102lk3ZmaIknRZMjRoGkBLQ5wvcZnb/FBiHDqQgE65ozx80H5TUVYl4QUcDpZTqo9Nx1BK1 fRPdvvotqzWaBKZKdHdw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j3hMt-0008UU-RD; Mon, 17 Feb 2020 14:27:27 +0000 Received: from fllv0015.ext.ti.com ([198.47.19.141]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j3hMc-0008Hi-55 for linux-arm-kernel@lists.infradead.org; Mon, 17 Feb 2020 14:27:11 +0000 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: , , , , 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200217_062710_299939_42C7FFE5 X-CRM114-Status: UNSURE ( 9.86 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.47.19.141 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, catalin.marinas@arm.com, sriram.dash@samsung.com, lgirdwood@gmail.com, robh+dt@kernel.org, faiz_abbas@ti.com, broonie@kernel.org, mkl@pengutronix.de, dmurphy@ti.com, wg@grandegger.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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: 11386539 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DFAF7109A for ; Mon, 17 Feb 2020 14:27:45 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BC59D207FD for ; Mon, 17 Feb 2020 14:27:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="KGghS6Nc"; 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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: , , , , 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200217_062713_984347_3F578B52 X-CRM114-Status: GOOD ( 11.34 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.47.23.248 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, catalin.marinas@arm.com, sriram.dash@samsung.com, lgirdwood@gmail.com, robh+dt@kernel.org, faiz_abbas@ti.com, broonie@kernel.org, mkl@pengutronix.de, dmurphy@ti.com, wg@grandegger.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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: 11386541 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 22F8514E3 for ; Mon, 17 Feb 2020 14:28:02 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 01098207FD for ; Mon, 17 Feb 2020 14:28:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="W9b1+07q"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ti.com header.i=@ti.com header.b="tgRDFPOq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 01098207FD Authentication-Results: mail.kernel.org; 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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: , , , , 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200217_062713_749549_8032F8DE X-CRM114-Status: GOOD ( 10.70 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.47.19.141 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, catalin.marinas@arm.com, sriram.dash@samsung.com, lgirdwood@gmail.com, robh+dt@kernel.org, faiz_abbas@ti.com, broonie@kernel.org, mkl@pengutronix.de, dmurphy@ti.com, wg@grandegger.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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