From patchwork Mon Apr 27 06:05:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxun Yang X-Patchwork-Id: 11511193 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 0140292A for ; Mon, 27 Apr 2020 06:06:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DD28B208FE for ; Mon, 27 Apr 2020 06:06:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=flygoat.com header.i=@flygoat.com header.b="QEVegUGB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726601AbgD0GGh (ORCPT ); Mon, 27 Apr 2020 02:06:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726221AbgD0GGh (ORCPT ); Mon, 27 Apr 2020 02:06:37 -0400 Received: from vultr.net.flygoat.com (vultr.net.flygoat.com [IPv6:2001:19f0:6001:3633:5400:2ff:fe8c:553]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F85FC061A0F; Sun, 26 Apr 2020 23:06:37 -0700 (PDT) Received: from localhost.localdomain (unknown [IPv6:2001:da8:20f:4430:250:56ff:fe9a:7470]) by vultr.net.flygoat.com (Postfix) with ESMTPSA id 0E7C520CF2; Mon, 27 Apr 2020 06:06:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=flygoat.com; s=vultr; t=1587967597; bh=f2WebZEAIujlIGTgNQ/COhX1+VN/634eZmUQtNv+XSc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QEVegUGB/zihFxG58AbaoQ4q8rCP93z9qtLRcLHd4a0xi/nRfgCQ/Pb20J2el0NyH Wequ1qCELu7SR/r5xG0sg2m7UsdRvb738W5qo8jdP91acpwkg8Xyx0nQ0OVLsCCURt UJ/ixnqrzZvUV2IJB5j0M6KXqVEE6xNhffAm7RTcNwC7odkr/PIXpCwEzZMRccpC3v kEqp0lWjfrM0ZgPkzY+GMMcLJkLRHbxo7B5PTbbwjiNBrgWf4xHniemyICHd+P5GG5 THY2fAKjIgw7ZoSlZhHa7wCaldZbA9A0VzTjIGOFcjymdVUohbJT9G9LFncCi4r+GM vbiuDQOGti/CA== From: Jiaxun Yang To: linux-mips@vger.kernel.org Cc: Jiaxun Yang , Rob Herring , Bjorn Helgaas , Rob Herring , Thomas Bogendoerfer , Huacai Chen , Lorenzo Pieralisi , Paul Burton , linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v6 3/5] dt-bindings: Document Loongson PCI Host Controller Date: Mon, 27 Apr 2020 14:05:40 +0800 Message-Id: <20200427060551.1372591-4-jiaxun.yang@flygoat.com> X-Mailer: git-send-email 2.26.0.rc2 In-Reply-To: <20200427060551.1372591-1-jiaxun.yang@flygoat.com> References: <20200427060551.1372591-1-jiaxun.yang@flygoat.com> MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org PCI host controller found on Loongson PCHs and SoCs. Signed-off-by: Jiaxun Yang Reviewed-by: Rob Herring --- .../devicetree/bindings/pci/loongson.yaml | 62 +++++++++++++++++++ 1 file changed, 62 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..78c5e32b2faa --- /dev/null +++ b/Documentation/devicetree/bindings/pci/loongson.yaml @@ -0,0 +1,62 @@ +# 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,ls2k-pci + - const: loongson,ls7a-pci + + reg: + minItems: 1 + maxItems: 2 + items: + - description: CFG0 standard config space register + - description: CFG1 extended config space register + + ranges: + minItems: 1 + maxItems: 3 + + +required: + - compatible + - reg + - ranges + +examples: + - | + + bus { + #address-cells = <2>; + #size-cells = <2>; + pcie@1a000000 { + compatible = "loongson,rs780e-pci"; + device_type = "pci"; + #address-cells = <3>; + #size-cells = <2>; + + // CPU_PHYSICAL(2) SIZE(2) + reg = <0x0 0x1a000000 0x0 0x2000000>; + + // BUS_ADDRESS(3) CPU_PHYSICAL(2) SIZE(2) + ranges = <0x01000000 0x0 0x00004000 0x0 0x00004000 0x0 0x00004000>, + <0x02000000 0x0 0x40000000 0x0 0x40000000 0x0 0x40000000>; + }; + }; +...