From patchwork Wed Apr 1 03:06:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxun Yang X-Patchwork-Id: 202571 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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,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 4E378C2D0F1 for ; Wed, 1 Apr 2020 03:09:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 25A1A20776 for ; Wed, 1 Apr 2020 03:09:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=flygoat.com header.i=jiaxun.yang@flygoat.com header.b="X11A1BFs" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731744AbgDADJx (ORCPT ); Tue, 31 Mar 2020 23:09:53 -0400 Received: from sender3-op-o12.zoho.com.cn ([124.251.121.243]:17813 "EHLO sender3-op-o12.zoho.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731703AbgDADJw (ORCPT ); Tue, 31 Mar 2020 23:09:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1585710560; s=mail; d=flygoat.com; i=jiaxun.yang@flygoat.com; h=From:To:Cc:Message-ID:Subject:Date:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Content-Type; bh=oHT243SqhEnlwJmznwvLkEn/AwmbR4FJ1c5fVo13EZM=; b=X11A1BFsafZip2AqAGmsYowNKs5b1HFHI7LNlZ2k2e/8EKKp0EFyyDcetVoXmQ91 /1VMsOW7IlLqg1NteiG3FXzN4RiqBP/ob1msPVcdj8Q9s2ZKUaQl120eKf2RTmlnv8j qgrf2js902OWTeCbxQ/iEzurjUtfXrsSGjbTdw5Y= Received: from localhost.localdomain (39.155.141.144 [39.155.141.144]) by mx.zoho.com.cn with SMTPS id 1585710558237311.0139215144561; Wed, 1 Apr 2020 11:09:18 +0800 (CST) From: Jiaxun Yang To: linux-mips@vger.kernel.org Cc: Jiaxun Yang , Bjorn Helgaas , Rob Herring , Thomas Bogendoerfer , Huacai Chen , Lorenzo Pieralisi , Andrew Murray , Paul Burton , linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Message-ID: <20200401030658.1174045-4-jiaxun.yang@flygoat.com> Subject: [PATCH v2 3/5] dt-bindings: Document Loongson PCI Host Controller Date: Wed, 1 Apr 2020 11:06:47 +0800 X-Mailer: git-send-email 2.26.0.rc2 In-Reply-To: <20200401030658.1174045-1-jiaxun.yang@flygoat.com> References: <20200401030658.1174045-1-jiaxun.yang@flygoat.com> MIME-Version: 1.0 X-ZohoCNMailClient: External Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org PCI host controller found on Loongson PCHs and SoCs. Signed-off-by: Jiaxun Yang --- .../devicetree/bindings/pci/loongson.yaml | 57 +++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/loongson.yaml diff --git a/Documentation/devicetree/bindings/pci/loongson.yaml b/Documentation/devicetree/bindings/pci/loongson.yaml new file mode 100644 index 000000000000..2995437ef61a --- /dev/null +++ b/Documentation/devicetree/bindings/pci/loongson.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/loongson.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson PCI Host Controller + +maintainers: + - Jiaxun Yang + +description: |+ + PCI host controller found on Loongson PCHs and SoCs. + +allOf: + - $ref: /schemas/pci/pci-bus.yaml# + +properties: + compatible: + oneOf: + - const: loongson,rs780e-pci + - const: loongson,ls7a-pci + - const: loongson,ls2k-pci + + reg: + minItems: 1 + maxItems: 2 + items: + - description: CFG0 standard config space register + - description: CFG1 extended config space register + + ranges: + maxItems: 3 + + +required: + - compatible + - reg + - ranges + +examples: + - | + + bus { + #address-cells = <2>; + #size-cells = <2>; + pcie@40000000 { + compatible = "loongson,rs780e-pci"; + device_type = "pci"; + #address-cells = <3>; + #size-cells = <2>; + + reg = <0 0x1a000000 0 0x0200000>; + ranges = <0x02000000 0 0x40000000 0 0x40000000 0 0x40000000>; + }; + }; +...