From patchwork Mon Jan 25 16:29:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daire McNamara X-Patchwork-Id: 12043697 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64479C433DB for ; Mon, 25 Jan 2021 16:32:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3370C22583 for ; Mon, 25 Jan 2021 16:32:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730752AbhAYQcg (ORCPT ); Mon, 25 Jan 2021 11:32:36 -0500 Received: from esa.microchip.iphmx.com ([68.232.154.123]:49469 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730749AbhAYQcc (ORCPT ); Mon, 25 Jan 2021 11:32:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1611592352; x=1643128352; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=DQL2Ra74x0xb0P3WleJ9hVYbtCvbdvs0044RgnpVkos=; b=cKqnA8Q575Cy/AqLOLfP8cnSXVnuy8NUl0Dqmttc0wEDQnL1ZjyT3HHK QGAlcqbv9MtaxuWJ8RyBPfJWdlzAWH62Qo9gad3Kzgxr9A88LcXwwmbpm fmJ1t5IYy0+k63SKiPfMfUqM/W48P3IDV8diNnYN16DfnI7rx5cFEZ5zL Ec7duQbzZnHpFeJ7TWjXfdZnxui8UpxLplRR4JNoymPmB84NbQb8E5D+r anf9EoJcjVMPh6doEh+IcGLY2t3DpcS3HM3aK38Su9Gp0oEhQLONd2CkV mUu/A++5TcKc3A5ql7OP8QKMObvYTc2zqKNUHKLfa+eonI4JT3TrfhSo8 A==; IronPort-SDR: LPS6ybs6fiDixa3vC3e0DXqhXkTqlzwJPDAInejBvJ4DVZQFbiPWctqiPw8UucGOGkZ6Wi016G Pzcjfho2T6DSZwOgxjJreOOH8iCI35C9K2YuesQtqalB/YejiMP6K/tmWNVCdAlyl/lCFDGbUs 1UjWr7WAfwZyFjCXH3yoSghvLHGvDUrsV5T2RBS0tod8W6mbOaDFOtVuAAj/247isLFLA1pTRV vQwcU8w82s7PoUF4uKamFJc/5cpZrzF08LYZd7/xsTdqRoIWOAPnig2tiU9adnHrB5UqUipeix hTA= X-IronPort-AV: E=Sophos;i="5.79,374,1602572400"; d="scan'208";a="101330577" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa4.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 25 Jan 2021 09:29:45 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Mon, 25 Jan 2021 09:29:44 -0700 Received: from ryzen.microchip.com (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.1979.3 via Frontend Transport; Mon, 25 Jan 2021 09:29:42 -0700 From: To: , , , , , CC: , , "Daire McNamara" Subject: [PATCH v21 2/4] dt-bindings: PCI: microchip: Add Microchip PolarFire host binding Date: Mon, 25 Jan 2021 16:29:32 +0000 Message-ID: <20210125162934.5335-3-daire.mcnamara@microchip.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210125162934.5335-1-daire.mcnamara@microchip.com> References: <20210125162934.5335-1-daire.mcnamara@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: Daire McNamara Add device tree bindings for the Microchip PolarFire PCIe controller when configured in host (Root Complex) mode. Signed-off-by: Daire McNamara Reviewed-by: Rob Herring --- .../bindings/pci/microchip,pcie-host.yaml | 92 +++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml diff --git a/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml b/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml new file mode 100644 index 000000000000..04251d71f56b --- /dev/null +++ b/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/microchip,pcie-host.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip PCIe Root Port Bridge Controller Device Tree Bindings + +maintainers: + - Daire McNamara + +allOf: + - $ref: /schemas/pci/pci-bus.yaml# + +properties: + compatible: + const: microchip,pcie-host-1.0 # PolarFire + + reg: + maxItems: 2 + + reg-names: + items: + - const: cfg + - const: apb + + interrupts: + minItems: 1 + maxItems: 2 + items: + - description: PCIe host controller + - description: builtin MSI controller + + interrupt-names: + minItems: 1 + maxItems: 2 + items: + - const: pcie + - const: msi + + ranges: + maxItems: 1 + + msi-controller: + description: Identifies the node as an MSI controller. + + msi-parent: + description: MSI controller the device is capable of using. + +required: + - reg + - reg-names + - "#interrupt-cells" + - interrupts + - interrupt-map-mask + - interrupt-map + - msi-controller + +unevaluatedProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + pcie0: pcie@2030000000 { + compatible = "microchip,pcie-host-1.0"; + reg = <0x0 0x70000000 0x0 0x08000000>, + <0x0 0x43000000 0x0 0x00010000>; + reg-names = "cfg", "apb"; + device_type = "pci"; + #address-cells = <3>; + #size-cells = <2>; + #interrupt-cells = <1>; + interrupts = <119>; + interrupt-map-mask = <0x0 0x0 0x0 0x7>; + interrupt-map = <0 0 0 1 &pcie_intc0 0>, + <0 0 0 2 &pcie_intc0 1>, + <0 0 0 3 &pcie_intc0 2>, + <0 0 0 4 &pcie_intc0 3>; + interrupt-parent = <&plic0>; + msi-parent = <&pcie0>; + msi-controller; + bus-range = <0x00 0x7f>; + ranges = <0x03000000 0x0 0x78000000 0x0 0x78000000 0x0 0x04000000>; + pcie_intc0: interrupt-controller { + #address-cells = <0>; + #interrupt-cells = <1>; + interrupt-controller; + }; + }; + };