From mboxrd@z Thu Jan 1 00:00:00 1970 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=-3.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no 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 EFAD5C43215 for ; Tue, 3 Dec 2019 04:57:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C719A206E0 for ; Tue, 3 Dec 2019 04:57:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="WLmdWgto" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726983AbfLCE5c (ORCPT ); Mon, 2 Dec 2019 23:57:32 -0500 Received: from mail-wr1-f68.google.com ([209.85.221.68]:34076 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726804AbfLCE5c (ORCPT ); Mon, 2 Dec 2019 23:57:32 -0500 Received: by mail-wr1-f68.google.com with SMTP id t2so2023758wrr.1 for ; Mon, 02 Dec 2019 20:57:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id; bh=pbRW1viad/GHjUmf3l7SOTRxkxISCKNgTFW5qUzFG18=; b=WLmdWgtocCq7SfivDEJxGQ0qYWEVC1FNP6Ngu0ZWhp++etMTGHgs+n3xeIFW14fTiV yhMj5yJWWCPDS2EsRAWEKGXN55BwurbaZnbUTdFro30TSZBmm596DFT99kyC5Rb5b2Zp hE6zmZw+W99FOnPwPVSHB2AwA5Hq6AacNcqZg= 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=pbRW1viad/GHjUmf3l7SOTRxkxISCKNgTFW5qUzFG18=; b=PwrjatmK/lTL/8PsGEyuSidGLqYUCVPZWLt4HCmhDXzbLPBiEnTNT3XtGJF6AKIEEg /YSn/APErV9IeFtj3+EnJ2pu4EK9F/S0/gZDICaVRSX2w9uxar4ELiea8qKyZyUDHEkQ faP9iUewQ/wxN+Lsf+m0YVRihUjZVm+gx8ktB3qrFVGmctaWsmmq9uLWi6drQAYTycHn wtsVZovmbCJ5Jdjm6Xpc2RWPR4uZ8e6B6ri//FMKvRMzQ/Me/2f8i+GkM4QIKJz+ki9+ yujxCVbcs2ekhvK9ZHvbdGQslMCITSjs+x4VK9CN0dS117E9x+ezn4xmFmFNfluHOCVg iDJA== X-Gm-Message-State: APjAAAWp/JS8zFqY7wO+aQyLYwXhQWM0QdxGbLEiFkNrCUh2yOoYNZ74 KEePcZf013HCu45faRlRVLHC5A== X-Google-Smtp-Source: APXvYqyUrHD9fDQwouHUkuIiwPBscZSDLCvUsyiXCIoV/4MEv6faKFnYd8o4XCGdWtnIMoM9UkEcaw== X-Received: by 2002:a5d:5284:: with SMTP id c4mr2679212wrv.376.1575349049792; Mon, 02 Dec 2019 20:57:29 -0800 (PST) Received: from mannams-OptiPlex-7010.dhcp.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id k4sm1667807wmk.26.2019.12.02.20.57.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 02 Dec 2019 20:57:29 -0800 (PST) From: Srinath Mannam To: Lorenzo Pieralisi , Bjorn Helgaas , Florian Fainelli , Ray Jui , Rob Herring , Mark Rutland , Andy Shevchenko , Arnd Bergmann Cc: bcm-kernel-feedback-list@broadcom.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Srinath Mannam Subject: [PATCH v3 0/6] PAXB INTx support with proper model Date: Tue, 3 Dec 2019 10:27:00 +0530 Message-Id: <1575349026-8743-1-git-send-email-srinath.mannam@broadcom.com> X-Mailer: git-send-email 2.7.4 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patch series adds PCIe legacy interrupt (INTx) support to the iProc PCIe driver by modeling it with its own IRQ domain. All 4 interrupts INTA, INTB, INTC, INTD share the same interrupt line connected to the GIC in the system. This is now modeled by using its own IRQ domain. Also update all relevant devicetree files to adapt to the new model. This patch set is based on Linux-5.4. Changes from v2: - Addressed Lorenzo's comments - Corrected INTx to PIN mapping. Changes from v1: - Addressed Rob, Lorenzo, Arnd's comments - Used child node for interrupt controller. - Addressed Andy Shevchenko's comments - Replaced while loop with do-while. Ray Jui (6): dt-bindings: pci: Update iProc PCI binding for INTx support PCI: iproc: Add INTx support with better modeling arm: dts: Change PCIe INTx mapping for Cygnus arm: dts: Change PCIe INTx mapping for NSP arm: dts: Change PCIe INTx mapping for HR2 arm64: dts: Change PCIe INTx mapping for NS2 .../devicetree/bindings/pci/brcm,iproc-pcie.txt | 48 ++++++++-- arch/arm/boot/dts/bcm-cygnus.dtsi | 30 ++++++- arch/arm/boot/dts/bcm-hr2.dtsi | 30 ++++++- arch/arm/boot/dts/bcm-nsp.dtsi | 45 ++++++++-- arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi | 28 +++++- drivers/pci/controller/pcie-iproc.c | 100 ++++++++++++++++++++- drivers/pci/controller/pcie-iproc.h | 6 ++ 7 files changed, 260 insertions(+), 27 deletions(-) -- 2.7.4