From patchwork Tue Aug 16 05:44:38 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongxing Zhu X-Patchwork-Id: 12944320 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 048B6C19F2C for ; Tue, 16 Aug 2022 06:04:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+OTS9+IN9JScvk+YlJLghgGqWHEV1P4N/NcC3u8Wufs=; b=Q9BDoy9Cv2H8v9 0UxMlGE+1szwnt4ZVim8aEZBeTbkarSoLfSNLLkB+Dc/MvHJ/uvczie/2MrF1UHJJji6SaTP+7HI5 ll8+GLlSS57/LH7aNaQq1/ywMA/LIUp+lyRg527taZ8EcVHCZiT87FFkbspibW8WCKwPNIbfqTU+F tmzdwXpJAz0FtoQBibZr6VZSwf0TG2gaDPf73sOewMgDL7W7HXhKDvbyVqqotg7ici55YtYGl/bov siYpC3e/txRpGlQQS1KaMM97yanadwKeA1x5SSQdcdxjRiVS237hBJJuPEWrQPrzCKp9SYc/BfffS sa/pEPKwyBjLZ1BpxC8Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpfG-00D4b0-LO; Tue, 16 Aug 2022 06:02:59 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpeM-00D3O8-JG for linux-arm-kernel@lists.infradead.org; Tue, 16 Aug 2022 06:02:04 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 714742020EA; Tue, 16 Aug 2022 08:01:56 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 3BDD02020E4; Tue, 16 Aug 2022 08:01:56 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 7935A180031C; Tue, 16 Aug 2022 14:01:54 +0800 (+08) From: Richard Zhu To: l.stach@pengutronix.de, bhelgaas@google.com, robh+dt@kernel.org, lorenzo.pieralisi@arm.com, shawnguo@kernel.org, kishon@ti.com, kw@linux.com, frank.li@nxp.com Cc: hongxing.zhu@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com Subject: [PATCH v2 01/10] dt-bindings: imx6q-pcie: Add iMX8MM PCIe EP mode compatible string Date: Tue, 16 Aug 2022 13:44:38 +0800 Message-Id: <1660628687-25676-2-git-send-email-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> References: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220815_230202_855364_64AA0121 X-CRM114-Status: UNSURE ( 7.02 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add i.MX8MM PCIe endpoint mode compatible string. Signed-off-by: Richard Zhu Acked-by: Rob Herring --- Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml index 252e5b72aee0..d52c6396fe11 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml @@ -27,6 +27,7 @@ properties: - fsl,imx8mq-pcie - fsl,imx8mm-pcie - fsl,imx8mp-pcie + - fsl,imx8mm-pcie-ep reg: items: From patchwork Tue Aug 16 05:44:39 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongxing Zhu X-Patchwork-Id: 12944333 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 48058C19F2C for ; Tue, 16 Aug 2022 06:07:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=NXXKI4XQ8Hqp11C4MNReraCRenIrDK+/fm2bhAxZh/U=; b=3IDbzEmUpCYnhq d6gOEJqN6vlf3HE0j9PqWXbkzhLjWWtlG0Y20c1jzifjtQTaMUuJl/CnnxlWFTEBCJOXsTaMCNsdG ke9Yg6KHo9a6TlhhYggQcr1EBQl4xaR22gBfe9bKDx1jbroFVL7e8kDQkAwGoCHtjFvGI/CvjVZpu o7JcJ/1bHHn6VXB6GWwfh4Fu1usG9l/5LvdkEfCzbBA4RryZThwiMPPGHf7tSpxK1JhvH6Qjr+wtY UZUlFDcNHc5RCn1V8vPq9pXia/nP7e5zE7SgFlTHC6NoTY70dQX47v3t7qhyb98BEWIZOeSQuo7aA erM8Hvb7w3utBvzFj/NA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpi4-00D8dr-Qq; Tue, 16 Aug 2022 06:05:53 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpeO-00D3RL-1l for linux-arm-kernel@lists.infradead.org; Tue, 16 Aug 2022 06:02:06 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id B975F1A20B0; Tue, 16 Aug 2022 08:01:57 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 831011A20AE; Tue, 16 Aug 2022 08:01:57 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id BF0EA180031D; Tue, 16 Aug 2022 14:01:55 +0800 (+08) From: Richard Zhu To: l.stach@pengutronix.de, bhelgaas@google.com, robh+dt@kernel.org, lorenzo.pieralisi@arm.com, shawnguo@kernel.org, kishon@ti.com, kw@linux.com, frank.li@nxp.com Cc: hongxing.zhu@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com Subject: [PATCH v2 02/10] dt-bindings: imx6q-pcie: Add iMX8MQ PCIe EP mode compatible string Date: Tue, 16 Aug 2022 13:44:39 +0800 Message-Id: <1660628687-25676-3-git-send-email-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> References: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220815_230204_322717_484CD839 X-CRM114-Status: UNSURE ( 7.02 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add i.MX8MQ PCIe endpoint mode compatible string. Signed-off-by: Richard Zhu Acked-by: Rob Herring --- Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml index d52c6396fe11..85b7c1663054 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml @@ -28,6 +28,7 @@ properties: - fsl,imx8mm-pcie - fsl,imx8mp-pcie - fsl,imx8mm-pcie-ep + - fsl,imx8mq-pcie-ep reg: items: From patchwork Tue Aug 16 05:44:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongxing Zhu X-Patchwork-Id: 12944319 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id BDA9DC19F2C for ; Tue, 16 Aug 2022 06:03:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=iwrGEY2YKGrhPEs6anA0Fu54wmVWs5G/QL1YgIsiDL4=; b=WEsgXX0o8XDIzE RKQHGGReJT6KK1GM0hedqFyPRi0MJu4Sjg0bFbmi/Bn9jvQ2FDSWiORWfqhxImy54ZZHqpDGVUZZk jaan9HMV/ixbID/aeGRn81xS64/uLvcW0LHtDKw10D+iikd7XQaUnkfSifeU7kvtkUdliajtrCkl/ z3ByESLjnGefv/nL8GaNKKoUxPQMYQpj6NK59BFoiVKU5Y0SaedNTjvAeokTl+ZQuqAB+DgL9cNFW kdv4utergXpgjFLlvOceRJf5qBvAwPFz9LIdYfYDLFabuVCLxOgMFeGWFXvDTuYsWYtfdLriWNiRg 25DsaM8D1iT0dFligc4Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpei-00D3m1-Es; Tue, 16 Aug 2022 06:02:24 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpeM-00D3Se-Mz for linux-arm-kernel@lists.infradead.org; Tue, 16 Aug 2022 06:02:04 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 0309E2020DF; Tue, 16 Aug 2022 08:01:59 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id C08462020E8; Tue, 16 Aug 2022 08:01:58 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 1220F180031A; Tue, 16 Aug 2022 14:01:57 +0800 (+08) From: Richard Zhu To: l.stach@pengutronix.de, bhelgaas@google.com, robh+dt@kernel.org, lorenzo.pieralisi@arm.com, shawnguo@kernel.org, kishon@ti.com, kw@linux.com, frank.li@nxp.com Cc: hongxing.zhu@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com Subject: [PATCH v2 03/10] PCI: dwc: Kconfig: Add iMX PCIe EP mode support Date: Tue, 16 Aug 2022 13:44:40 +0800 Message-Id: <1660628687-25676-4-git-send-email-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> References: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220815_230202_988311_E4C2E10B X-CRM114-Status: GOOD ( 10.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Since i.MX PCIe is one dual mode PCIe controller. Add i.MX PCIe EP mode support, and split the PCIe modes to the Root Complex mode and Endpoint mode. Signed-off-by: Richard Zhu --- drivers/pci/controller/dwc/Kconfig | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/Kconfig b/drivers/pci/controller/dwc/Kconfig index 62ce3abf0f19..a24d8cacf1be 100644 --- a/drivers/pci/controller/dwc/Kconfig +++ b/drivers/pci/controller/dwc/Kconfig @@ -92,10 +92,33 @@ config PCI_EXYNOS functions to implement the driver. config PCI_IMX6 - bool "Freescale i.MX6/7/8 PCIe controller" + bool + +config PCI_IMX6_HOST + bool "Freescale i.MX6/7/8 PCIe controller host mode" depends on ARCH_MXC || COMPILE_TEST depends on PCI_MSI_IRQ_DOMAIN select PCIE_DW_HOST + select PCI_IMX6 + help + Enables support for the PCIe controller Root Complex mode in the + iMX6/7/8 SoCs. + This controller can work either as EP or RC. In order to enable + host-specific features PCIE_DW_HOST must be selected and in order + to enable device-specific features PCIE_DW_EP must be selected. + +config PCI_IMX6_EP + bool "Freescale i.MX6/7/8 PCIe controller endpoint mode" + depends on ARCH_MXC || COMPILE_TEST + depends on PCI_ENDPOINT + select PCIE_DW_EP + select PCI_IMX6 + help + Enables support for the PCIe controller endpoint mode in the + iMX6/7/8 SoCs. + This controller can work either as EP or RC. In order to enable + host-specific features PCIE_DW_HOST must be selected and in order + to enable device-specific features PCIE_DW_EP must be selected. config PCIE_SPEAR13XX bool "STMicroelectronics SPEAr PCIe controller" From patchwork Tue Aug 16 05:44:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongxing Zhu X-Patchwork-Id: 12944322 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id B0D8EC25B0F for ; Tue, 16 Aug 2022 06:05:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=hshyHZrnyLPEerPuCsNS3VFT6xzPEqZnd7FwGrK6N5Q=; b=2ZYbR9WtxiFyzU vCJ45GJ5io7Y2c1qa3KjvESR+rvZeXqzrqq+94g2QdBKXjLlfv7rG/Vv27irvVU8IEkcy8R+HneZ0 kiycHGl7+1TX3ZkMaoOIZunTaDQ0JQ1c/dOnG8M9BdnPb8EpfObtkhlhdJEvWZCXyDERKv11qVGIj tyEZZ/uwzOeneOjh6iGHTs+WC/loVD6sNZtkCIAuhUUttpUJg73OzAlrzpXfPm9k49JgfhfOOmWll t1joKX9j4WRK0wg6RJcsiAkAlTgz2R3LVRcEnZKpp0mJaLsEpJTI5eGcbysh6HgAIF7EQojhDkOmT aO2aj4EPYKYCB57aNgCA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpgQ-00D6Li-BU; Tue, 16 Aug 2022 06:04:11 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpeO-00D3Ui-1m for linux-arm-kernel@lists.infradead.org; Tue, 16 Aug 2022 06:02:06 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 524971A20BE; Tue, 16 Aug 2022 08:02:00 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 139A81A20B9; Tue, 16 Aug 2022 08:02:00 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 4F4401820F57; Tue, 16 Aug 2022 14:01:58 +0800 (+08) From: Richard Zhu To: l.stach@pengutronix.de, bhelgaas@google.com, robh+dt@kernel.org, lorenzo.pieralisi@arm.com, shawnguo@kernel.org, kishon@ti.com, kw@linux.com, frank.li@nxp.com Cc: hongxing.zhu@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com Subject: [PATCH v2 04/10] arm64: dts: Add iMX8MM PCIe EP support Date: Tue, 16 Aug 2022 13:44:41 +0800 Message-Id: <1660628687-25676-5-git-send-email-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> References: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220815_230204_310794_A8DCDE78 X-CRM114-Status: UNSURE ( 7.49 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add iMX8MM PCIe EP support. Signed-off-by: Richard Zhu --- arch/arm64/boot/dts/freescale/imx8mm.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index 1bf070473829..d5bcddacc0c4 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi @@ -1285,6 +1285,26 @@ pcie0: pcie@33800000 { status = "disabled"; }; + pcie0_ep: pcie_ep@33800000 { + compatible = "fsl,imx8mm-pcie-ep"; + reg = <0x33800000 0x400000>, + <0x18000000 0x8000000>; + reg-names = "regs", "addr_space"; + num-lanes = <1>; + interrupts = ; + interrupt-names = "dma"; + fsl,max-link-speed = <2>; + power-domains = <&pgc_pcie>; + resets = <&src IMX8MQ_RESET_PCIE_CTRL_APPS_EN>, + <&src IMX8MQ_RESET_PCIE_CTRL_APPS_TURNOFF>; + reset-names = "apps", "turnoff"; + phys = <&pcie_phy>; + phy-names = "pcie-phy"; + num-ib-windows = <4>; + num-ob-windows = <4>; + status = "disabled"; + }; + gpu_3d: gpu@38000000 { compatible = "vivante,gc"; reg = <0x38000000 0x8000>; From patchwork Tue Aug 16 05:44:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongxing Zhu X-Patchwork-Id: 12944323 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id A7D4BC19F2C for ; Tue, 16 Aug 2022 06:06:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=E5f6QyDu7UPmPfJ3JPTcv8ioXNFK5wj5zIQ7AuPCA/I=; b=oL9mw0+p3mx5hE yC5hL62pu9cR/CgcVPt3mjW67yGquHAKt6FEi8mXFzfl5vmxKb7jgOq/VS6OYy6fWUV7Rb8aoLh7w 46ZvsgwpSEh1djpsyxZyvOSPFkEpBcM+jPUIqtNvN//11MV2/na2w9C8RqW8oAmKD0gnpd15/cEZ1 4oicWD/rH/u9shqG8DbQ0aKyiaocBDC0w6xhNI67/Ki4FphGzoaz98hDYq6st7MUykudChznCYWXy eFnpKEy+xGfh4B/Zo5N96T2/fsWsqDm9oe4fZ23h5da1EfpX4iqu6P1SPSBgNeFxuHxg8Y053+mTq qCUXBQgwV2eg+YsCNkmQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNphF-00D7cW-30; Tue, 16 Aug 2022 06:05:02 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpeM-00D3Wg-QL for linux-arm-kernel@lists.infradead.org; Tue, 16 Aug 2022 06:02:05 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 8850C2020F1; Tue, 16 Aug 2022 08:02:01 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 509592020E4; Tue, 16 Aug 2022 08:02:01 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 96D62180031C; Tue, 16 Aug 2022 14:01:59 +0800 (+08) From: Richard Zhu To: l.stach@pengutronix.de, bhelgaas@google.com, robh+dt@kernel.org, lorenzo.pieralisi@arm.com, shawnguo@kernel.org, kishon@ti.com, kw@linux.com, frank.li@nxp.com Cc: hongxing.zhu@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com Subject: [PATCH v2 05/10] arm64: dts: Add iMX8MQ PCIe EP support Date: Tue, 16 Aug 2022 13:44:42 +0800 Message-Id: <1660628687-25676-6-git-send-email-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> References: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220815_230203_072724_C2535D0A X-CRM114-Status: UNSURE ( 7.68 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add iMX8MQ PCIe EP support. Signed-off-by: Richard Zhu --- arch/arm64/boot/dts/freescale/imx8mq.dtsi | 27 +++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi index 49eadb081b19..9b1359bbef30 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi @@ -1580,6 +1580,33 @@ pcie1: pcie@33c00000 { status = "disabled"; }; + pcie1_ep: pcie_ep@33c00000 { + compatible = "fsl,imx8mq-pcie-ep"; + reg = <0x33c00000 0x000400000>, + <0x20000000 0x08000000>; + reg-names = "regs", "addr_space"; + num-lanes = <1>; + interrupts = ; + interrupt-names = "dma"; + fsl,max-link-speed = <2>; + power-domains = <&pgc_pcie>; + resets = <&src IMX8MQ_RESET_PCIEPHY2>, + <&src IMX8MQ_RESET_PCIE2_CTRL_APPS_EN>, + <&src IMX8MQ_RESET_PCIE2_CTRL_APPS_TURNOFF>; + reset-names = "pciephy", "apps", "turnoff"; + assigned-clocks = <&clk IMX8MQ_CLK_PCIE2_CTRL>, + <&clk IMX8MQ_CLK_PCIE2_PHY>, + <&clk IMX8MQ_CLK_PCIE2_AUX>; + assigned-clock-parents = <&clk IMX8MQ_SYS2_PLL_250M>, + <&clk IMX8MQ_SYS2_PLL_100M>, + <&clk IMX8MQ_SYS1_PLL_80M>; + assigned-clock-rates = <250000000>, <100000000>, + <10000000>; + num-ib-windows = <4>; + num-ob-windows = <4>; + status = "disabled"; + }; + gic: interrupt-controller@38800000 { compatible = "arm,gic-v3"; reg = <0x38800000 0x10000>, /* GIC Dist */ From patchwork Tue Aug 16 05:44:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongxing Zhu X-Patchwork-Id: 12944334 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 6B103C19F2C for ; Tue, 16 Aug 2022 06:08:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2w6oYHmgNhg6v1RNEdEJisF/Rfdmzkan28i/RNvnoRA=; b=GjNtnyrAUYSgqO GhcgQUrVnD3Yq+VNJC0RdyLQrLD0fqTevW375F15xRw12B7NDOCHYyd/0ta7gWqask9Jigb5ixeVf rARfBq37pTh8pWPrBustR8ElUoRm3nDXZzpTovn5zuD5JK3bIsS6pVJvLzH+aUktZ2NlitGqQ+y3s foOtb+TYynhO4YXhmRrzXd9sgbAL+UTs17N8JfllJGYs+vZ4UpknRpaoe5IPRVRChS4A+cOaw6dlX G0QojF/UGxqrXpTY+7Fr7nrGR+hCwOQ3uzozk3Yo4sPBkLWlDixxjNr1i7ac+YLqe2f74JF8wOyYe o1E7LBXeICsehpg4Qw5g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpiu-00D9gP-HR; Tue, 16 Aug 2022 06:06:45 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpeO-00D3a8-3p for linux-arm-kernel@lists.infradead.org; Tue, 16 Aug 2022 06:02:06 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id CDF1E2020E8; Tue, 16 Aug 2022 08:02:02 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 977B22020E2; Tue, 16 Aug 2022 08:02:02 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id D3C32180031D; Tue, 16 Aug 2022 14:02:00 +0800 (+08) From: Richard Zhu To: l.stach@pengutronix.de, bhelgaas@google.com, robh+dt@kernel.org, lorenzo.pieralisi@arm.com, shawnguo@kernel.org, kishon@ti.com, kw@linux.com, frank.li@nxp.com Cc: hongxing.zhu@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com Subject: [PATCH v2 06/10] arm64: dts: Add iMX8MM PCIe EP support on EVK board Date: Tue, 16 Aug 2022 13:44:43 +0800 Message-Id: <1660628687-25676-7-git-send-email-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> References: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220815_230204_608600_228A07EE X-CRM114-Status: UNSURE ( 7.31 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add iMX8MM PCIe EP support on EVK board. Signed-off-by: Richard Zhu --- arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi index c42b966f7a64..063140c6be6c 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi @@ -346,6 +346,20 @@ &pcie0 { status = "okay"; }; +&pcie0_ep{ + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie0>; + clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&clk IMX8MM_CLK_PCIE1_AUX>, + <&pcie0_refclk>; + clock-names = "pcie", "pcie_aux", "pcie_bus"; + assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>, + <&clk IMX8MM_CLK_PCIE1_CTRL>; + assigned-clock-rates = <10000000>, <250000000>; + assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_50M>, + <&clk IMX8MM_SYS_PLL2_250M>; + status = "disabled"; +}; + &sai3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sai3>; From patchwork Tue Aug 16 05:44:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongxing Zhu X-Patchwork-Id: 12944335 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 06764C19F2C for ; Tue, 16 Aug 2022 06:08:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=4uOfWrmxpP4RnTkig28SsUOltyi3MzHn9jrWhXGM4NY=; b=mAVitUUQ/IBQS+ rlmzVyhepnCMl+ihNrnsfE4sOsdD7n1wEDofiSm1U/6bRz7FYbG/N8TSDHKqfK3No+WZ0j2xgLMYh OY2pTcpPXBf+n/vHS5FSs9dqtNUjCQEYHUsIY0Szdc6AojrIO5HxjWzOxiMHPqV8DPmXrhenjA7SI bAHKxB++Exy/A6ZdPSHV+7u/mg+xZTJ67QtwySvqwh+tpJvNANS5ZRfYRpW+O0Si7Dv6TA2ay1AT1 FCPyrBac6iK8/xSIqSm+b1GPRhITrzRpeixVIOLjTHRcu/jJzG7ruRXEF3N0NQvg9cMsbVH1IfZuK dstkI8NHZHDSFVSXH1IQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpjO-00DAUH-Rh; Tue, 16 Aug 2022 06:07:14 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpeP-00D3d0-W5 for linux-arm-kernel@lists.infradead.org; Tue, 16 Aug 2022 06:02:07 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 1679F2020F4; Tue, 16 Aug 2022 08:02:04 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id DEBFB2020FE; Tue, 16 Aug 2022 08:02:03 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 263BB180031A; Tue, 16 Aug 2022 14:02:02 +0800 (+08) From: Richard Zhu To: l.stach@pengutronix.de, bhelgaas@google.com, robh+dt@kernel.org, lorenzo.pieralisi@arm.com, shawnguo@kernel.org, kishon@ti.com, kw@linux.com, frank.li@nxp.com Cc: hongxing.zhu@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com Subject: [PATCH v2 07/10] arm64: dts: Add iMX8MQ PCIe EP support on EVK board Date: Tue, 16 Aug 2022 13:44:44 +0800 Message-Id: <1660628687-25676-8-git-send-email-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> References: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220815_230206_280000_E7CB7F43 X-CRM114-Status: UNSURE ( 7.56 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add iMX8MQ PCIe EP support on EVK board. Signed-off-by: Richard Zhu --- arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts index 99fed35168eb..c2b2642a1a32 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts @@ -353,6 +353,18 @@ &pcie1 { status = "okay"; }; +&pcie1_ep { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie1>; + clocks = <&clk IMX8MQ_CLK_PCIE2_ROOT>, + <&clk IMX8MQ_CLK_PCIE2_AUX>, + <&clk IMX8MQ_CLK_PCIE2_PHY>, + <&pcie0_refclk>; + clock-names = "pcie", "pcie_aux", "pcie_phy", "pcie_bus"; + vph-supply = <&vgen5_reg>; + status = "disabled"; +}; + &pgc_gpu { power-supply = <&sw1a_reg>; }; From patchwork Tue Aug 16 05:44:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongxing Zhu X-Patchwork-Id: 12944336 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id D8B96C19F2C for ; Tue, 16 Aug 2022 06:08:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=L57M4MSrplIzIo2ShBw2UrWn8ZRRrO/JOgi37CQukP8=; b=ysN6kYro10zabH ZvVnMPK+cfxXYhB//53l/tBaAnSxsTyC1d3942jUi3rsTE2bv9IfPqkZDANeC3WvBHpKUcR9CdWDv ClIzx0dPjzJpsrtYOwE8fRJiLCtnN+6rsSnD8kzi/ggGI6Gbvh9UwrPyKIzgMvNqpG4WJD71218se yKUdDz33jWhEX2Hj3Nda1RjuDEnlf8wH+bhhKffLX9EKBAjEODUKMtkpNQWXjII0jN+utF31EuNYJ MiXER/84jhOOqCbWF5mxto5tgZfm76FC8nxWDhO5vvkSQnOoCYEFk2OxRTfYLJVi1G4yQuJR5cXkQ fpkgv2SIFXFca3t7rhKA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpjs-00DAsW-Qn; Tue, 16 Aug 2022 06:07:44 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpeQ-00D3dl-LW for linux-arm-kernel@lists.infradead.org; Tue, 16 Aug 2022 06:02:18 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 666501A20B6; Tue, 16 Aug 2022 08:02:05 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 309A41A20B3; Tue, 16 Aug 2022 08:02:05 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 6D7C0180031C; Tue, 16 Aug 2022 14:02:03 +0800 (+08) From: Richard Zhu To: l.stach@pengutronix.de, bhelgaas@google.com, robh+dt@kernel.org, lorenzo.pieralisi@arm.com, shawnguo@kernel.org, kishon@ti.com, kw@linux.com, frank.li@nxp.com Cc: hongxing.zhu@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com Subject: [PATCH v2 08/10] misc: pci_endpoint_test: Add iMX8 PCIe EP device support Date: Tue, 16 Aug 2022 13:44:45 +0800 Message-Id: <1660628687-25676-9-git-send-email-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> References: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220815_230217_327495_6F9255BB X-CRM114-Status: UNSURE ( 9.30 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Set the DEVICE_ID of i.MX8 PCIe and add iMX8 PCIE EP device support in pci_endpoint_test driver. Signed-off-by: Richard Zhu --- drivers/misc/pci_endpoint_test.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c index 8f786a225dcf..18cea40c697b 100644 --- a/drivers/misc/pci_endpoint_test.c +++ b/drivers/misc/pci_endpoint_test.c @@ -72,6 +72,7 @@ #define PCI_DEVICE_ID_TI_J7200 0xb00f #define PCI_DEVICE_ID_TI_AM64 0xb010 #define PCI_DEVICE_ID_LS1088A 0x80c0 +#define PCI_DEVICE_ID_IMX8 0x0808 #define is_am654_pci_dev(pdev) \ ((pdev)->device == PCI_DEVICE_ID_TI_AM654) @@ -958,6 +959,7 @@ static const struct pci_device_id pci_endpoint_test_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, 0x81c0), .driver_data = (kernel_ulong_t)&default_data, }, + { PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, PCI_DEVICE_ID_IMX8),}, { PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, PCI_DEVICE_ID_LS1088A), .driver_data = (kernel_ulong_t)&default_data, }, From patchwork Tue Aug 16 05:44:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongxing Zhu X-Patchwork-Id: 12944338 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 08718C19F2C for ; Tue, 16 Aug 2022 06:10:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Lcyxonle6cpvm8K/dxRboLtQ+ha+hDP+tDbF8Y6Badg=; b=A8/uT1PnrdI3YX axyRRUuiuiebqhfhmMlMwOuwMpr5X/fB9JKTfsI+IV/7AnvHCMfi/pa2CNiptSkXmYqkBjOn12INy oKjxRyu9xPGWtEVbZeL8lXN8iiXobyNKv6b6ZK+Ru88K+cIFqV05yaqsvejhDPXTGXU7VP/sCQY8T CQz/wpV7U6p3w2cECvmqcyizGgs+zsEnD8EMzgZP2fzargTm1EoeIFRVh8GEjlRs+RbbiZe2JOs/u ZeqUEeLuNMqTIzdEglRUTWWnyeqg7RS1sKuFYblKCt83K2xvDSDMTUKo69dNUQ4IwXiphi13bwZh2 R/a9dN5Jw17UI4F45HRg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpkn-00DBFk-Rg; Tue, 16 Aug 2022 06:08:42 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpeS-00D3fM-2n for linux-arm-kernel@lists.infradead.org; Tue, 16 Aug 2022 06:02:21 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id CE52B2020E9; Tue, 16 Aug 2022 08:02:06 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 6E27A2020DD; Tue, 16 Aug 2022 08:02:06 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id B4939180031A; Tue, 16 Aug 2022 14:02:04 +0800 (+08) From: Richard Zhu To: l.stach@pengutronix.de, bhelgaas@google.com, robh+dt@kernel.org, lorenzo.pieralisi@arm.com, shawnguo@kernel.org, kishon@ti.com, kw@linux.com, frank.li@nxp.com Cc: hongxing.zhu@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com Subject: [PATCH v2 09/10] PCI: imx6: Add iMX8MM PCIe EP mode Date: Tue, 16 Aug 2022 13:44:46 +0800 Message-Id: <1660628687-25676-10-git-send-email-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> References: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220815_230217_521436_1F9AA008 X-CRM114-Status: GOOD ( 19.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Based on i.MX8MM platforms, add the i.MX8MM PCIe EP mode support. Signed-off-by: Richard Zhu --- drivers/pci/controller/dwc/pci-imx6.c | 148 +++++++++++++++++++++++--- 1 file changed, 134 insertions(+), 14 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 6e5debdbc55b..91dbf919cc55 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -51,6 +51,7 @@ enum imx6_pcie_variants { IMX7D, IMX8MQ, IMX8MM, + IMX8MM_EP, }; #define IMX6_PCIE_FLAG_IMX6_PHY BIT(0) @@ -59,6 +60,7 @@ enum imx6_pcie_variants { struct imx6_pcie_drvdata { enum imx6_pcie_variants variant; + enum dw_pcie_device_mode mode; u32 flags; int dbi_length; }; @@ -150,23 +152,27 @@ struct imx6_pcie { static unsigned int imx6_pcie_grp_offset(const struct imx6_pcie *imx6_pcie) { WARN_ON(imx6_pcie->drvdata->variant != IMX8MQ && - imx6_pcie->drvdata->variant != IMX8MM); + imx6_pcie->drvdata->variant != IMX8MM && + imx6_pcie->drvdata->variant != IMX8MM_EP); return imx6_pcie->controller_id == 1 ? IOMUXC_GPR16 : IOMUXC_GPR14; } static void imx6_pcie_configure_type(struct imx6_pcie *imx6_pcie) { - unsigned int mask, val; + unsigned int mask, val, mode; + + if (imx6_pcie->drvdata->mode == DW_PCIE_EP_TYPE) + mode = PCI_EXP_TYPE_ENDPOINT; + else + mode = PCI_EXP_TYPE_ROOT_PORT; if (imx6_pcie->drvdata->variant == IMX8MQ && imx6_pcie->controller_id == 1) { mask = IMX8MQ_GPR12_PCIE2_CTRL_DEVICE_TYPE; - val = FIELD_PREP(IMX8MQ_GPR12_PCIE2_CTRL_DEVICE_TYPE, - PCI_EXP_TYPE_ROOT_PORT); + val = FIELD_PREP(IMX8MQ_GPR12_PCIE2_CTRL_DEVICE_TYPE, mode); } else { mask = IMX6Q_GPR12_DEVICE_TYPE; - val = FIELD_PREP(IMX6Q_GPR12_DEVICE_TYPE, - PCI_EXP_TYPE_ROOT_PORT); + val = FIELD_PREP(IMX6Q_GPR12_DEVICE_TYPE, mode); } regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12, mask, val); @@ -301,6 +307,7 @@ static void imx6_pcie_init_phy(struct imx6_pcie *imx6_pcie) { switch (imx6_pcie->drvdata->variant) { case IMX8MM: + case IMX8MM_EP: /* * The PHY initialization had been done in the PHY * driver, break here directly. @@ -557,6 +564,7 @@ static int imx6_pcie_enable_ref_clk(struct imx6_pcie *imx6_pcie) case IMX7D: break; case IMX8MM: + case IMX8MM_EP: case IMX8MQ: ret = clk_prepare_enable(imx6_pcie->pcie_aux); if (ret) { @@ -601,6 +609,7 @@ static void imx6_pcie_disable_ref_clk(struct imx6_pcie *imx6_pcie) IMX7D_GPR12_PCIE_PHY_REFCLK_SEL); break; case IMX8MM: + case IMX8MM_EP: case IMX8MQ: clk_disable_unprepare(imx6_pcie->pcie_aux); break; @@ -669,6 +678,7 @@ static void imx6_pcie_assert_core_reset(struct imx6_pcie *imx6_pcie) reset_control_assert(imx6_pcie->pciephy_reset); fallthrough; case IMX8MM: + case IMX8MM_EP: reset_control_assert(imx6_pcie->apps_reset); break; case IMX6SX: @@ -744,6 +754,7 @@ static int imx6_pcie_deassert_core_reset(struct imx6_pcie *imx6_pcie) break; case IMX6Q: /* Nothing to do */ case IMX8MM: + case IMX8MM_EP: break; } @@ -793,6 +804,7 @@ static void imx6_pcie_ltssm_enable(struct device *dev) case IMX7D: case IMX8MQ: case IMX8MM: + case IMX8MM_EP: reset_control_deassert(imx6_pcie->apps_reset); break; } @@ -812,6 +824,7 @@ static void imx6_pcie_ltssm_disable(struct device *dev) case IMX7D: case IMX8MQ: case IMX8MM: + case IMX8MM_EP: reset_control_assert(imx6_pcie->apps_reset); break; } @@ -992,8 +1005,102 @@ static const struct dw_pcie_host_ops imx6_pcie_host_ops = { static const struct dw_pcie_ops dw_pcie_ops = { .start_link = imx6_pcie_start_link, + .stop_link = imx6_pcie_stop_link, }; +static void imx6_pcie_ep_init(struct dw_pcie_ep *ep) +{ + enum pci_barno bar; + struct dw_pcie *pci = to_dw_pcie_from_ep(ep); + + for (bar = BAR_0; bar <= BAR_5; bar++) + dw_pcie_ep_reset_bar(pci, bar); +} + +static int imx6_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no, + enum pci_epc_irq_type type, + u16 interrupt_num) +{ + struct dw_pcie *pci = to_dw_pcie_from_ep(ep); + + switch (type) { + case PCI_EPC_IRQ_LEGACY: + return dw_pcie_ep_raise_legacy_irq(ep, func_no); + case PCI_EPC_IRQ_MSI: + return dw_pcie_ep_raise_msi_irq(ep, func_no, interrupt_num); + case PCI_EPC_IRQ_MSIX: + return dw_pcie_ep_raise_msix_irq(ep, func_no, interrupt_num); + default: + dev_err(pci->dev, "UNKNOWN IRQ type\n"); + return -EINVAL; + } + + return 0; +} + +static const struct pci_epc_features imx8m_pcie_epc_features = { + .linkup_notifier = false, + .msi_capable = true, + .msix_capable = false, + .reserved_bar = 1 << BAR_1 | 1 << BAR_3, + .align = SZ_64K, +}; + +static const struct pci_epc_features* +imx6_pcie_ep_get_features(struct dw_pcie_ep *ep) +{ + return &imx8m_pcie_epc_features; +} + +static const struct dw_pcie_ep_ops pcie_ep_ops = { + .ep_init = imx6_pcie_ep_init, + .raise_irq = imx6_pcie_ep_raise_irq, + .get_features = imx6_pcie_ep_get_features, +}; + +static int imx6_add_pcie_ep(struct imx6_pcie *imx6_pcie, + struct platform_device *pdev) +{ + int ret; + unsigned int pcie_dbi2_offset; + struct dw_pcie_ep *ep; + struct resource *res; + struct dw_pcie *pci = imx6_pcie->pci; + struct dw_pcie_rp *pp = &pci->pp; + struct device *dev = pci->dev; + + imx6_pcie_host_init(pp); + ep = &pci->ep; + ep->ops = &pcie_ep_ops; + + switch (imx6_pcie->drvdata->variant) { + case IMX8MM_EP: + pcie_dbi2_offset = SZ_1M; + break; + default: + pcie_dbi2_offset = SZ_4K; + break; + } + pci->dbi_base2 = pci->dbi_base + pcie_dbi2_offset; + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "addr_space"); + if (!res) + return -EINVAL; + + ep->phys_base = res->start; + ep->addr_size = resource_size(res); + ep->page_size = SZ_64K; + + ret = dw_pcie_ep_init(ep); + if (ret) { + dev_err(dev, "failed to initialize endpoint\n"); + return ret; + } + /* Start LTSSM. */ + imx6_pcie_ltssm_enable(dev); + + return 0; +} + static void imx6_pcie_pm_turnoff(struct imx6_pcie *imx6_pcie) { struct device *dev = imx6_pcie->pci->dev; @@ -1179,6 +1286,7 @@ static int imx6_pcie_probe(struct platform_device *pdev) } break; case IMX8MM: + case IMX8MM_EP: imx6_pcie->pcie_aux = devm_clk_get(dev, "pcie_aux"); if (IS_ERR(imx6_pcie->pcie_aux)) return dev_err_probe(dev, PTR_ERR(imx6_pcie->pcie_aux), @@ -1267,15 +1375,22 @@ static int imx6_pcie_probe(struct platform_device *pdev) if (ret) return ret; - ret = dw_pcie_host_init(&pci->pp); - if (ret < 0) - return ret; + if (imx6_pcie->drvdata->mode == DW_PCIE_EP_TYPE) { + ret = imx6_add_pcie_ep(imx6_pcie, pdev); + if (ret < 0) + return ret; + } else { + ret = dw_pcie_host_init(&pci->pp); + if (ret < 0) + return ret; - if (pci_msi_enabled()) { - u8 offset = dw_pcie_find_capability(pci, PCI_CAP_ID_MSI); - val = dw_pcie_readw_dbi(pci, offset + PCI_MSI_FLAGS); - val |= PCI_MSI_FLAGS_ENABLE; - dw_pcie_writew_dbi(pci, offset + PCI_MSI_FLAGS, val); + if (pci_msi_enabled()) { + u8 offset = dw_pcie_find_capability(pci, PCI_CAP_ID_MSI); + + val = dw_pcie_readw_dbi(pci, offset + PCI_MSI_FLAGS); + val |= PCI_MSI_FLAGS_ENABLE; + dw_pcie_writew_dbi(pci, offset + PCI_MSI_FLAGS, val); + } } return 0; @@ -1320,6 +1435,10 @@ static const struct imx6_pcie_drvdata drvdata[] = { .variant = IMX8MM, .flags = IMX6_PCIE_FLAG_SUPPORTS_SUSPEND, }, + [IMX8MM_EP] = { + .variant = IMX8MM_EP, + .mode = DW_PCIE_EP_TYPE, + }, }; static const struct of_device_id imx6_pcie_of_match[] = { @@ -1329,6 +1448,7 @@ static const struct of_device_id imx6_pcie_of_match[] = { { .compatible = "fsl,imx7d-pcie", .data = &drvdata[IMX7D], }, { .compatible = "fsl,imx8mq-pcie", .data = &drvdata[IMX8MQ], }, { .compatible = "fsl,imx8mm-pcie", .data = &drvdata[IMX8MM], }, + { .compatible = "fsl,imx8mm-pcie-ep", .data = &drvdata[IMX8MM_EP], }, {}, }; From patchwork Tue Aug 16 05:44:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongxing Zhu X-Patchwork-Id: 12944337 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 49573C19F2C for ; Tue, 16 Aug 2022 06:09:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=rQqIzkmRJgV9M8bPi8g+rf7Z+DzCvHexj9Q9XTezuv4=; b=FrUDSC60oXVDbX rlh+bpfNFVOs8T5axPFz6kHt/+kc8qzNQwyDUCayL2uy8ytIPhaD/T9ZSuW/FVDJc4l/tji3jnN8N yaHa+R+65ideob658eMGltb9Dn3lfxojXJm4G3fWFqrGebCRfLKAMrc3NzT05/E3rMWmYU4I+St1t bGDZ97Cmrzs7dsQWBXFQO4fAxtz0NGzCn27GcHqyHEZKRTuyxTPpr0mc0nB3YDUYewD1nY52vEdD3 Du5Oc66f0j9eyhg6hL0walFdQJ2WSuImm8q1X+meErxYBY+HLu+bxC7BM+4CQiQdT+2e2gUUalVEU 3PIdXfCwyhb3ie/2YoZw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpkA-00DAzx-UH; Tue, 16 Aug 2022 06:08:03 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNpeT-00D3fO-B1 for linux-arm-kernel@lists.infradead.org; Tue, 16 Aug 2022 06:02:19 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 16EA11A20B0; Tue, 16 Aug 2022 08:02:08 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id AA6E91A20AE; Tue, 16 Aug 2022 08:02:07 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id F1D961820F57; Tue, 16 Aug 2022 14:02:05 +0800 (+08) From: Richard Zhu To: l.stach@pengutronix.de, bhelgaas@google.com, robh+dt@kernel.org, lorenzo.pieralisi@arm.com, shawnguo@kernel.org, kishon@ti.com, kw@linux.com, frank.li@nxp.com Cc: hongxing.zhu@nxp.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com Subject: [PATCH v2 10/10] PCI: imx6: Add iMX8MQ PCIe EP support Date: Tue, 16 Aug 2022 13:44:47 +0800 Message-Id: <1660628687-25676-11-git-send-email-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> References: <1660628687-25676-1-git-send-email-hongxing.zhu@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220815_230217_500150_969F755F X-CRM114-Status: GOOD ( 15.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add the iMX8MQ PCIe EP support Signed-off-by: Richard Zhu --- drivers/pci/controller/dwc/pci-imx6.c | 35 +++++++++++++++++++++++---- 1 file changed, 30 insertions(+), 5 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 91dbf919cc55..707fbef33a56 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -52,6 +52,7 @@ enum imx6_pcie_variants { IMX8MQ, IMX8MM, IMX8MM_EP, + IMX8MQ_EP, }; #define IMX6_PCIE_FLAG_IMX6_PHY BIT(0) @@ -152,6 +153,7 @@ struct imx6_pcie { static unsigned int imx6_pcie_grp_offset(const struct imx6_pcie *imx6_pcie) { WARN_ON(imx6_pcie->drvdata->variant != IMX8MQ && + imx6_pcie->drvdata->variant != IMX8MQ_EP && imx6_pcie->drvdata->variant != IMX8MM && imx6_pcie->drvdata->variant != IMX8MM_EP); return imx6_pcie->controller_id == 1 ? IOMUXC_GPR16 : IOMUXC_GPR14; @@ -166,13 +168,22 @@ static void imx6_pcie_configure_type(struct imx6_pcie *imx6_pcie) else mode = PCI_EXP_TYPE_ROOT_PORT; - if (imx6_pcie->drvdata->variant == IMX8MQ && - imx6_pcie->controller_id == 1) { - mask = IMX8MQ_GPR12_PCIE2_CTRL_DEVICE_TYPE; - val = FIELD_PREP(IMX8MQ_GPR12_PCIE2_CTRL_DEVICE_TYPE, mode); - } else { + switch (imx6_pcie->drvdata->variant) { + case IMX8MQ: + case IMX8MQ_EP: + if (imx6_pcie->controller_id == 1) { + mask = IMX8MQ_GPR12_PCIE2_CTRL_DEVICE_TYPE; + val = FIELD_PREP(IMX8MQ_GPR12_PCIE2_CTRL_DEVICE_TYPE, + mode); + } else { + mask = IMX6Q_GPR12_DEVICE_TYPE; + val = FIELD_PREP(IMX6Q_GPR12_DEVICE_TYPE, mode); + } + break; + default: mask = IMX6Q_GPR12_DEVICE_TYPE; val = FIELD_PREP(IMX6Q_GPR12_DEVICE_TYPE, mode); + break; } regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12, mask, val); @@ -314,6 +325,7 @@ static void imx6_pcie_init_phy(struct imx6_pcie *imx6_pcie) */ break; case IMX8MQ: + case IMX8MQ_EP: /* * TODO: Currently this code assumes external * oscillator is being used @@ -566,6 +578,7 @@ static int imx6_pcie_enable_ref_clk(struct imx6_pcie *imx6_pcie) case IMX8MM: case IMX8MM_EP: case IMX8MQ: + case IMX8MQ_EP: ret = clk_prepare_enable(imx6_pcie->pcie_aux); if (ret) { dev_err(dev, "unable to enable pcie_aux clock\n"); @@ -611,6 +624,7 @@ static void imx6_pcie_disable_ref_clk(struct imx6_pcie *imx6_pcie) case IMX8MM: case IMX8MM_EP: case IMX8MQ: + case IMX8MQ_EP: clk_disable_unprepare(imx6_pcie->pcie_aux); break; default: @@ -675,6 +689,7 @@ static void imx6_pcie_assert_core_reset(struct imx6_pcie *imx6_pcie) switch (imx6_pcie->drvdata->variant) { case IMX7D: case IMX8MQ: + case IMX8MQ_EP: reset_control_assert(imx6_pcie->pciephy_reset); fallthrough; case IMX8MM: @@ -716,6 +731,7 @@ static int imx6_pcie_deassert_core_reset(struct imx6_pcie *imx6_pcie) switch (imx6_pcie->drvdata->variant) { case IMX8MQ: + case IMX8MQ_EP: reset_control_deassert(imx6_pcie->pciephy_reset); break; case IMX7D: @@ -803,6 +819,7 @@ static void imx6_pcie_ltssm_enable(struct device *dev) break; case IMX7D: case IMX8MQ: + case IMX8MQ_EP: case IMX8MM: case IMX8MM_EP: reset_control_deassert(imx6_pcie->apps_reset); @@ -823,6 +840,7 @@ static void imx6_pcie_ltssm_disable(struct device *dev) break; case IMX7D: case IMX8MQ: + case IMX8MQ_EP: case IMX8MM: case IMX8MM_EP: reset_control_assert(imx6_pcie->apps_reset); @@ -1075,6 +1093,7 @@ static int imx6_add_pcie_ep(struct imx6_pcie *imx6_pcie, switch (imx6_pcie->drvdata->variant) { case IMX8MM_EP: + case IMX8MQ_EP: pcie_dbi2_offset = SZ_1M; break; default: @@ -1262,6 +1281,7 @@ static int imx6_pcie_probe(struct platform_device *pdev) "pcie_inbound_axi clock missing or invalid\n"); break; case IMX8MQ: + case IMX8MQ_EP: imx6_pcie->pcie_aux = devm_clk_get(dev, "pcie_aux"); if (IS_ERR(imx6_pcie->pcie_aux)) return dev_err_probe(dev, PTR_ERR(imx6_pcie->pcie_aux), @@ -1439,6 +1459,10 @@ static const struct imx6_pcie_drvdata drvdata[] = { .variant = IMX8MM_EP, .mode = DW_PCIE_EP_TYPE, }, + [IMX8MQ_EP] = { + .variant = IMX8MQ_EP, + .mode = DW_PCIE_EP_TYPE, + }, }; static const struct of_device_id imx6_pcie_of_match[] = { @@ -1449,6 +1473,7 @@ static const struct of_device_id imx6_pcie_of_match[] = { { .compatible = "fsl,imx8mq-pcie", .data = &drvdata[IMX8MQ], }, { .compatible = "fsl,imx8mm-pcie", .data = &drvdata[IMX8MM], }, { .compatible = "fsl,imx8mm-pcie-ep", .data = &drvdata[IMX8MM_EP], }, + { .compatible = "fsl,imx8mq-pcie-ep", .data = &drvdata[IMX8MQ_EP], }, {}, };