From patchwork Fri Jan 15 06:04:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongtao Wu X-Patchwork-Id: 1426807 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=aMKH4O5W; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4DH9fL6CFhz9sVs for ; Fri, 15 Jan 2021 17:06:02 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726812AbhAOGFn (ORCPT ); Fri, 15 Jan 2021 01:05:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40536 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726167AbhAOGFm (ORCPT ); Fri, 15 Jan 2021 01:05:42 -0500 Received: from mail-pf1-x436.google.com (mail-pf1-x436.google.com [IPv6:2607:f8b0:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E0106C061575; Thu, 14 Jan 2021 22:05:01 -0800 (PST) Received: by mail-pf1-x436.google.com with SMTP id a188so4813900pfa.11; Thu, 14 Jan 2021 22:05:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=uNxmF20bYgUoFeuxLQis6xHKwj5Rp1A5sgJ3aaIKLQ4=; b=aMKH4O5WpFT7Dc+xWdIqp46yvo1A7iw7ylfqUtRdRh0tuX5DzmbE8urh9DuZ5ONyUn 073xXdOFi/ysimiN5hqX4Xvh4+bhhFq82ekSlrBQnrR1B73v+CEhYk3c00BYJAkWNuyr OH/Ndt0ZRQC3UPwwny6ezb+vBogEe++I7Ogo1udqAdJYZL1vixzNMZ7xI12Pta2A92qu OmxTjZ5N5u9S+1Y18xfSBCQU3RIDUled9ro9ruENTXQUtr0lIzdL6vJvTRQdQWoV9IoE xQX77RfTfgOhOZuIl7Gi8LVxvkh0uirPoU0UROWwvpXCPQQIXpItqPabncSqI/06YAij jzgQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=uNxmF20bYgUoFeuxLQis6xHKwj5Rp1A5sgJ3aaIKLQ4=; b=UrfFgAQy3tKfzC7mW55ZNJl7AWPhgjRFi+gEg8fE4C0m0TxaBu6kcgEbHTOmWi+h9R 9ONPot3+5nYHvwjkhcvoYtYcmPxfLKj+3osYPrt5CB/BQDME+MrU8bDU2dlOnfIRcqTs J3J1+X7EGJbV0AcfrgCP+aOLRTorF6LSOEN8WedXx5PzC6HDKI7rTO77TvOl/l7xhHHU wnS6g7iDD9AbcaxZOzurE4iezaOCULPhPXIXnFysHZo7Emyu43Irmj3GT2Vo2x5FlGfR vdExXGQ9tWcv+1TmBIx4L8PIyjjjYfTk8/sscgIkgmw8GYyzk6zoQ795CmfWg4eXilym OeDg== X-Gm-Message-State: AOAM533VNmER2lF152MolUdnPRoLFgOLPbQp9SYm6ZsXjPY8OJdG2A1v m0xfCm2jVmRSRJfvUx+Jnts= X-Google-Smtp-Source: ABdhPJxqSJVctAl1xO7LHLgMxNuQuWxvmgkBrYiFBdQnB7rd3xUoFISGRkgM2PhlFBXEgOU9kqJHDA== X-Received: by 2002:aa7:9e43:0:b029:19c:d0ab:2684 with SMTP id z3-20020aa79e430000b029019cd0ab2684mr11344901pfq.42.1610690701475; Thu, 14 Jan 2021 22:05:01 -0800 (PST) Received: from sh05419pcu.spreadtrum.com ([117.18.48.82]) by smtp.gmail.com with ESMTPSA id t5sm7051929pjr.22.2021.01.14.22.04.57 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 14 Jan 2021 22:05:00 -0800 (PST) From: Hongtao Wu To: Lorenzo Pieralisi , Rob Herring Cc: Orson Zhai , Baolin Wang , Chunyan Zhang , linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Hongtao Wu Subject: [PATCH v6 0/2] PCI: Add new Unisoc PCIe driver Date: Fri, 15 Jan 2021 14:04:38 +0800 Message-Id: <1610690680-28493-1-git-send-email-wuht06@gmail.com> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: Hongtao Wu This series adds PCIe controller driver for Unisoc SoCs. This controller is based on DesignWare PCIe IP. Changes from v1: 1) Test this patch on top of Rob Herring's 40 part series of DWC clean-ups: https://lore.kernel.org/linux-pci/20200821035420.380495-1-robh@kernel.org/ 2) Delete empty function 3) Document property "sprd,pcie-poweron-syscons" and 'sprd,pcie-poweroff-syscons' 4) Delete runtime suspend/resume function 5) Add COMPILE_TEST which CONFIG_PCIE_SPRD depends on Changes from v2: 1) Change RC mode to host mode in drivers/pci/controller/dwc/Kconfig 2) Change Signed-off-by from Billows Wu to Hongtao Wu Changes from v3: 1) Split the property 'sprd,pcie-poweron-syscons' and 'sprd,pcie-poweroff-syscons' into reset, power domains, phy and so on. 2) Delete the function to get resource 'msi' and 'dbi' which were parsed by the DW core. 3) Delete the function 'sprd_pcie_host_init', because the DW core has done it. Changes from v4: 1) Install 'yamllint' and upgrade dt-schema in order to solve the yamllint and dtschema/dtc warnings/errors: Changes from v5: 1) Change "GPL v2" to "GPL". 2) Remove exit_p wrapper which used to define remove callback. Hongtao Wu (2): dt-bindings: PCI: sprd: Document Unisoc PCIe RC host controller PCI: sprd: Add support for Unisoc SoCs' PCIe controller .../devicetree/bindings/pci/sprd-pcie.yaml | 93 +++++++ drivers/pci/controller/dwc/Kconfig | 12 + drivers/pci/controller/dwc/Makefile | 1 + drivers/pci/controller/dwc/pcie-sprd.c | 293 +++++++++++++++++++++ 4 files changed, 399 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/sprd-pcie.yaml create mode 100644 drivers/pci/controller/dwc/pcie-sprd.c --- 2.7.4