From patchwork Mon May 15 06:27:43 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Song Xiaowei X-Patchwork-Id: 9726143 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 094A760380 for ; Mon, 15 May 2017 06:28:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E08062895B for ; Mon, 15 May 2017 06:28:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D4F8428961; Mon, 15 May 2017 06:28:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3C34C2895B for ; Mon, 15 May 2017 06:28:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759475AbdEOG2v (ORCPT ); Mon, 15 May 2017 02:28:51 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:6292 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759323AbdEOG2v (ORCPT ); Mon, 15 May 2017 02:28:51 -0400 Received: from 172.30.72.55 (EHLO DGGEML403-HUB.china.huawei.com) ([172.30.72.55]) by dggrg01-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id AON31475; Mon, 15 May 2017 14:28:39 +0800 (CST) Received: from vm107-55-164.huawei.com (100.107.55.164) by DGGEML403-HUB.china.huawei.com (10.3.17.33) with Microsoft SMTP Server id 14.3.301.0; Mon, 15 May 2017 14:27:45 +0800 From: Song Xiaowei To: , , , , , , , , CC: , , , , , , Subject: [PATCH 1/3] arm64: dts: hi3660: add pcie node Date: Mon, 15 May 2017 14:27:43 +0800 Message-ID: <20170515062745.70082-1-songxiaowei@hisilicon.com> X-Mailer: git-send-email 2.11.GIT MIME-Version: 1.0 X-Originating-IP: [100.107.55.164] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020202.59194A98.00DC, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: e277dfd68c2550bc8d37161fb54df155 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add PCIe node for hi3660, and add binding documentation. Cc: Guodong Xu Signed-off-by: Song Xiaowei --- .../devicetree/bindings/pci/hisilicon-pcie.txt | 52 ++++++++++++++++++++++ arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 31 +++++++++++++ 2 files changed, 83 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt index a339dbb15493..71491178c86c 100644 --- a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt +++ b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt @@ -85,3 +85,55 @@ Example: 0x0 0 0 4 &mbigen_pcie0 650 4>; status = "ok"; }; + + + +HiSilicon Kirin SoC PCIe host DT description + +Kirin PCIe host controller is also based on Designware PCI core. +It shares common functions with PCIe Designware core driver and inherits +common properties defined in +Documentation/devicetree/bindings/pci/designware-pci.txt. + +Additional properties are described here: + +Required properties +- compatible: Should contain "hisilicon,kirin-pcie". +- reg: Should contain rc_dbi, apb, phy, config registers location and length. +- reg-names: Must include the following entries: + "dbi": controller configuration registers; + "apb": apb Ctrl register; + "phy": apb PHY register; + "config": PCIe configuration space registers. +- reset-gpio: perst assert/deassert gpio + +Optional properties: +- status: Either "ok" or "disabled". + +Kirin960 Example: + kirin_pcie@f4000000 { + compatible = "hisilicon,kirin-pcie"; + reg = <0x0 0xf4000000 0x0 0x1000>, <0x0 0xff3fe000 0x0 0x1000>, + <0x0 0xf3f20000 0x0 0x40000>, <0x0 0xF5000000 0 0x2000>; + reg-names = "dbi","apb","phy", "config"; + bus-range = <0x0 0x1>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + ranges = <0x02000000 0x0 0x00000000 0x0 0xf6000000 0x0 0x2000000>; + num-lanes = <1>; + #interrupt-cells = <1>; + interrupt-map-mask = <0xf800 0 0 7>; + interrupt-map = <0x0 0 0 2 &gic 0 0 0 283 4>, + <0x0 0 0 3 &gic 0 0 0 284 4>, + <0x0 0 0 4 &gic 0 0 0 285 4>; + clocks = <&crg_ctrl HI3660_PCIEPHY_REF>, + <&crg_ctrl HI3660_CLK_GATE_PCIEAUX>, + <&crg_ctrl HI3660_PCLK_GATE_PCIE_PHY>, + <&crg_ctrl HI3660_PCLK_GATE_PCIE_SYS>, + <&crg_ctrl HI3660_ACLK_GATE_PCIE>; + clock-names = "pcie_phy_ref", "pcie_aux", + "pcie_apb_phy", "pcie_apb_sys", "pcie_aclk"; + reset-gpio = <&gpio11 1 0 >; + status = "ok"; + }; diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi index 3983086bd67b..2406a54947df 100644 --- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi @@ -156,5 +156,36 @@ clock-names = "uartclk", "apb_pclk"; status = "disabled"; }; + + kirin_pcie@f4000000 { + compatible = "hisilicon,kirin-pcie"; + reg = <0x0 0xf4000000 0x0 0x1000>, + <0x0 0xff3fe000 0x0 0x1000>, + <0x0 0xf3f20000 0x0 0x40000>, + <0x0 0xF5000000 0x0 0x2000>; + reg-names = "dbi", "apb", "phy", "config"; + bus-range = <0x0 0x1>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + ranges = <0x02000000 0x0 0x00000000 0x0 + 0xf6000000 0x0 0x2000000>; + num-lanes = <1>; + #interrupt-cells = <1>; + interrupt-map-mask = <0xf800 0 0 7>; + interrupt-map = <0x0 0 0 1 &gic 0 0 0 282 4>, + <0x0 0 0 2 &gic 0 0 0 283 4>, + <0x0 0 0 3 &gic 0 0 0 284 4>, + <0x0 0 0 4 &gic 0 0 0 285 4>; + clocks = <&crg_ctrl HI3660_PCIEPHY_REF>, + <&crg_ctrl HI3660_CLK_GATE_PCIEAUX>, + <&crg_ctrl HI3660_PCLK_GATE_PCIE_PHY>, + <&crg_ctrl HI3660_PCLK_GATE_PCIE_SYS>, + <&crg_ctrl HI3660_ACLK_GATE_PCIE>; + clock-names = "pcie_phy_ref", "pcie_aux", + "pcie_apb_phy", "pcie_apb_sys", "pcie_aclk"; + reset-gpio = <&gpio11 1 0 >; + status = "ok"; + }; }; };