From patchwork Tue Apr 20 11:21:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baruch Siach X-Patchwork-Id: 12213779 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 28A9AC43600 for ; Tue, 20 Apr 2021 11:21:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0F501613BF for ; Tue, 20 Apr 2021 11:21:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231993AbhDTLWU (ORCPT ); Tue, 20 Apr 2021 07:22:20 -0400 Received: from guitar.tcltek.co.il ([192.115.133.116]:43015 "EHLO mx.tkos.co.il" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231877AbhDTLWT (ORCPT ); Tue, 20 Apr 2021 07:22:19 -0400 Received: from tarshish.tkos.co.il (unknown [10.0.8.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mx.tkos.co.il (Postfix) with ESMTPS id 5CEAE440E54; Tue, 20 Apr 2021 14:21:45 +0300 (IDT) From: Baruch Siach To: Andy Gross , Bjorn Andersson Cc: Selvam Sathappan Periakaruppan , Baruch Siach , Kathiravan T , Bjorn Helgaas , Kishon Vijay Abraham I , Vinod Koul , Rob Herring , devicetree@vger.kernel.org, linux-phy@lists.infradead.org, linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 3/5] arm64: dts: ipq6018: Add pcie support Date: Tue, 20 Apr 2021 14:21:38 +0300 Message-Id: <2a4f45170a820b007b4890e684412511a40dbc74.1618916235.git.baruch@tkos.co.il> X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: Selvam Sathappan Periakaruppan ipq6018 has 1 pcie gen3 port. This patch adds the support for the same. The GICv2m reg property value is a guess based on similar SoCs description in downstream Codeaurora kernel. It appears to work. Signed-off-by: Selvam Sathappan Periakaruppan [baruch: adjust #address-cells/#size-cells; drop unsupported property; use v2m msi interrupts parent; increase parf registers size] Signed-off-by: Baruch Siach --- arch/arm64/boot/dts/qcom/ipq6018.dtsi | 109 ++++++++++++++++++++++++++ 1 file changed, 109 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi index 9fa5b028e4f3..a5b03b0d564b 100644 --- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi @@ -375,6 +375,8 @@ qpic_nand: nand@79b0000 { intc: interrupt-controller@b000000 { compatible = "qcom,msm-qgic2"; + #address-cells = <1>; + #size-cells = <1>; interrupt-controller; #interrupt-cells = <0x3>; reg = <0x0 0x0b000000 0x0 0x1000>, /*GICD*/ @@ -382,6 +384,113 @@ intc: interrupt-controller@b000000 { <0x0 0x0b001000 0x0 0x1000>, /*GICH*/ <0x0 0x0b004000 0x0 0x1000>; /*GICV*/ interrupts = ; + ranges = <0x0 0x0 0xb00a000 0xffd>; + + v2m0: v2m@0 { + compatible = "arm,gic-v2m-frame"; + msi-controller; + reg = <0x0 0xffd>; + }; + }; + + pcie_phy: phy@84000 { + compatible = "qcom,ipq6018-qmp-pcie-phy"; + reg = <0x0 0x84000 0x0 0x1bc>; /* Serdes PLL */ + status = "disabled"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + clocks = <&gcc GCC_PCIE0_AUX_CLK>, + <&gcc GCC_PCIE0_AHB_CLK>; + clock-names = "aux", "cfg_ahb"; + + resets = <&gcc GCC_PCIE0_PHY_BCR>, + <&gcc GCC_PCIE0PHY_PHY_BCR>; + reset-names = "phy", + "common"; + + pcie_phy0: lane@84200 { + reg = <0x0 0x84200 0x0 0x16c>, /* Serdes Tx */ + <0x0 0x84400 0x0 0x200>, /* Serdes Rx */ + <0x0 0x84800 0x0 0x4f4>; /* PCS: Lane0, COM, PCIE */ + #phy-cells = <0>; + + clocks = <&gcc GCC_PCIE0_PIPE_CLK>; + clock-names = "pipe0"; + clock-output-names = "gcc_pcie0_pipe_clk_src"; + #clock-cells = <0>; + }; + }; + + pcie0: pci@20000000 { + compatible = "qcom,pcie-ipq6018"; + reg = <0x0 0x20000000 0x0 0xf1d>, + <0x0 0x20000f20 0x0 0xa8>, + <0x0 0x20001000 0x0 0x1000>, + <0x0 0x80000 0x0 0x4000>, + <0x0 0x20100000 0x0 0x1000>; + reg-names = "dbi", "elbi", "atu", "parf", "config"; + + device_type = "pci"; + linux,pci-domain = <0>; + bus-range = <0x00 0xff>; + num-lanes = <1>; + #address-cells = <3>; + #size-cells = <2>; + + phys = <&pcie_phy0>; + phy-names = "pciephy"; + + ranges = <0x81000000 0 0x20200000 0 0x20200000 + 0 0x10000>, /* downstream I/O */ + <0x82000000 0 0x20220000 0 0x20220000 + 0 0xfde0000>; /* non-prefetchable memory */ + + interrupts = ; + interrupt-names = "msi"; + msi-parent = <&v2m0>; + + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 0x7>; + interrupt-map = <0 0 0 1 &intc 0 75 + IRQ_TYPE_LEVEL_HIGH>, /* int_a */ + <0 0 0 2 &intc 0 78 + IRQ_TYPE_LEVEL_HIGH>, /* int_b */ + <0 0 0 3 &intc 0 79 + IRQ_TYPE_LEVEL_HIGH>, /* int_c */ + <0 0 0 4 &intc 0 83 + IRQ_TYPE_LEVEL_HIGH>; /* int_d */ + + clocks = <&gcc GCC_SYS_NOC_PCIE0_AXI_CLK>, + <&gcc GCC_PCIE0_AXI_M_CLK>, + <&gcc GCC_PCIE0_AXI_S_CLK>, + <&gcc GCC_PCIE0_AXI_S_BRIDGE_CLK>, + <&gcc PCIE0_RCHNG_CLK>; + clock-names = "iface", + "axi_m", + "axi_s", + "axi_bridge", + "rchng"; + + resets = <&gcc GCC_PCIE0_PIPE_ARES>, + <&gcc GCC_PCIE0_SLEEP_ARES>, + <&gcc GCC_PCIE0_CORE_STICKY_ARES>, + <&gcc GCC_PCIE0_AXI_MASTER_ARES>, + <&gcc GCC_PCIE0_AXI_SLAVE_ARES>, + <&gcc GCC_PCIE0_AHB_ARES>, + <&gcc GCC_PCIE0_AXI_MASTER_STICKY_ARES>, + <&gcc GCC_PCIE0_AXI_SLAVE_STICKY_ARES>; + reset-names = "pipe", + "sleep", + "sticky", + "axi_m", + "axi_s", + "ahb", + "axi_m_sticky", + "axi_s_sticky"; + + status = "disabled"; }; watchdog@b017000 {