From patchwork Mon Mar 22 09:18:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunyan Zhang X-Patchwork-Id: 406280 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=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 59D82C433E0 for ; Mon, 22 Mar 2021 09:20:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 281B661972 for ; Mon, 22 Mar 2021 09:20:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229941AbhCVJTc (ORCPT ); Mon, 22 Mar 2021 05:19:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38416 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229920AbhCVJTY (ORCPT ); Mon, 22 Mar 2021 05:19:24 -0400 Received: from mail-pj1-x1032.google.com (mail-pj1-x1032.google.com [IPv6:2607:f8b0:4864:20::1032]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4138C061574; Mon, 22 Mar 2021 02:19:23 -0700 (PDT) Received: by mail-pj1-x1032.google.com with SMTP id a22-20020a17090aa516b02900c1215e9b33so10135700pjq.5; Mon, 22 Mar 2021 02:19:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=efnAI/yjOr8RIomc8owdNJdevgWzmGgU4gh2frhOv2o=; b=t8m/O5lHWMgwE4tUwP1WvpTsq5MmCZDtk//MJfgi/f8EqRmRSjHbh/rxvUWD+029Uw cCUOslM2/DEcp8IrxoGwxrzUhUTHtuY2CUmApjf4Y/RWgg+9cAUAw+YLD3MSFqz8r/ON 9pngDW+6mzpUDlDJkzW/odrgK2h/oo6LtjM/fOKwBlyeeydyWHA7tj2VOAwhddcW1R7X 0tzNDfkliKcEVohjbekoOKvrEoWd4RkRvg0YsHjadmH9rwOVx3lEDRv6Ck8oj17mWYvt oHuEcYBbWNkB2+6sE4fc6g045w23sX4OBV5BEcMhWA3R9D5oaa+iyQ67rZG2O4IbvEgV VgdQ== 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:mime-version :content-transfer-encoding; bh=efnAI/yjOr8RIomc8owdNJdevgWzmGgU4gh2frhOv2o=; b=QKuVLZL5O10sD9weyi/jLNPmtXJahgh7pGs0ZnsDP/dCzP98NpuB/xp50mJwwH+erH I9tkxixEVZknzzcgoZiRQWYtoWbrEkwJheKm9PefzFlNq+lYfVbj17rO782p7RiAbi2+ ITVMU8WgyjwQZm2q7v7KXRpl6z0p9cpRx5WQVKEazoQMEOcBfBlaPU0RFKG0iVRC7cIF Yxc5F3oI3MIVlL0yxKu5EnI0qNYWGWmgZaKJVhWZ9M9lv/lO9Ui0hC4hcSKBZ48uwwqy F9LvRUrEu78c8TjYOJvpMk0vgAfWsDBgfs2sg2a7BzVI72udbNO7KCWCGyVrZxsqUKU6 Bz4w== X-Gm-Message-State: AOAM530k6A/npzZqKd21dFLC3kPRHzArHxTV8SPd6zda5lUZTq3yhIey za5LM9Traqbh4CorViWr0WrET6i13oo= X-Google-Smtp-Source: ABdhPJxNnN8m6o8eKyONGvib0sobLbwxgfGqE8Ikyuw3a2yFtsO7fh8grvc00Lx1qssSJyYLlVfBOw== X-Received: by 2002:a17:90a:3809:: with SMTP id w9mr12125509pjb.79.1616404763206; Mon, 22 Mar 2021 02:19:23 -0700 (PDT) Received: from ubt.spreadtrum.com ([117.18.48.82]) by smtp.gmail.com with ESMTPSA id w17sm11987756pfu.29.2021.03.22.02.18.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Mar 2021 02:19:22 -0700 (PDT) From: Chunyan Zhang To: Lorenzo Pieralisi , Rob Herring Cc: linux-pci@vger.kernel.org, devicetree@vger.kernel.org, Hongtao Wu , Baolin Wang , linux-kernel@vger.kernel.org, Orson Zhai , Chunyan Zhang , Chunyan Zhang Subject: [RESEND PATCH V6 0/2] PCI: Add new Unisoc PCIe driver Date: Mon, 22 Mar 2021 17:18:29 +0800 Message-Id: <20210322091831.662279-1-zhang.lyra@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Chunyan Zhang This series adds PCIe controller driver for Unisoc SoCs. This controller is based on DesignWare PCIe IP. This RESEND patch set V6 is based on v5.12-rc4. Changes since v5: * Change "GPL v2" to "GPL". * Remove exit_p wrapper which used to define remove callback. Changes since v4: * Install 'yamllint' and upgrade dt-schema in order to solve the yamllint and dtschema/dtc warnings/errors: Changes since v3: * Split the property 'sprd,pcie-poweron-syscons' and 'sprd,pcie-poweroff-syscons' into reset, power domains, phy and so on; * Delete the function to get resource 'msi' and 'dbi' which were parsed by the DW core; * Delete the function 'sprd_pcie_host_init', because the DW core has done it. Changes since v2: * Change RC mode to host mode in drivers/pci/controller/dwc/Kconfig; * Change Signed-off-by from Billows Wu to Hongtao Wu Changes since v1: * 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/ * Delete empty function; * Document property "sprd,pcie-poweron-syscons" and 'sprd,pcie-poweroff-syscons'; * Delete runtime suspend/resume function; * Add COMPILE_TEST which CONFIG_PCIE_SPRD depends on. 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 | 292 ++++++++++++++++++ 4 files changed, 398 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/sprd-pcie.yaml create mode 100644 drivers/pci/controller/dwc/pcie-sprd.c