From patchwork Mon Apr 20 07:12:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxun Yang X-Patchwork-Id: 11498257 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com 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 9831215AB for ; Mon, 20 Apr 2020 07:18:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7FC9921473 for ; Mon, 20 Apr 2020 07:18:06 +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="cT/eJyMy" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726067AbgDTHSF (ORCPT ); Mon, 20 Apr 2020 03:18:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725971AbgDTHSF (ORCPT ); Mon, 20 Apr 2020 03:18:05 -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 0DF97C061A0F; Mon, 20 Apr 2020 00:18:05 -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 1F44120CD8; Mon, 20 Apr 2020 07:12:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=flygoat.com; s=vultr; t=1587366775; bh=ASg+iuEBGSsKPnwR6mS70BOGMwAUI0N42iiAJ2GiVfk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cT/eJyMyYOWNzwPQek4vDhuDJ5kF7yJr5Pl4cbnpwHgX9Istzl5tzX4eriXm+6E46 58d3V0Y8/As8LJEkQVJOVX9n9W7T4h16ygnob9P4AeqBkR2xgaCywy4eSux241aZpK yvw2PcO17xwyfOovm8Xeqqhykly0IqtmxlQAjf3Ht+G8sFvb3IMHzPxRwFV+9+ewZg kOj+g/Z2YCvltJj8KpA7QuAgT3o3ck/pudTMvJCbzwI2RCQY62GIJeyMipi2jJloLr tcIcgx+4Z63qhI4FUPD5A1uIhkeE7ojI8ysZ1Xh0+OgNGuYNaMx5WHpXOOyhG8Fynu U3ElElk5X9oow== 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 Subject: [PATCH v4 3/5] dt-bindings: Document Loongson PCI Host Controller Date: Mon, 20 Apr 2020 15:12:09 +0800 Message-Id: <20200420071220.155357-3-jiaxun.yang@flygoat.com> X-Mailer: git-send-email 2.26.0.rc2 In-Reply-To: <20200420071220.155357-1-jiaxun.yang@flygoat.com> References: <20200330114239.1112759-1-jiaxun.yang@flygoat.com> <20200420071220.155357-1-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 --- v3: Fix ranges --- .../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..20b4cf3fe696 --- /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,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: + 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>; + }; + }; +...