From patchwork Fri Apr 15 21:06:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Geis X-Patchwork-Id: 12815316 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 38150C43219 for ; Fri, 15 Apr 2022 21:06:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=r/kaDJmXQPzOtQn3FQPKZERnewEq7c6xjUno+Vm5vvo=; b=FVYC6JTzuuZid2 FV5QNLj4AXq4Wzgu30Tw9t4mLV4A9BohlvncFtiS3uDPLCH0uXkWeRY18dQkSKXWmR+Wf2k5rYhmR 6FWUVDSdkhhV/bUmXVKYvjyaLF4ObZZJLazSKU0S+X5/7REdD9mFMqEc4LlNRs2++nGHJNJlaSFEC Uyd14217/lu4sm8ezg+WnyPtXwYWkxNvi87rZhoDMBjC+WUWfx+5NUt7JyL7wqOk3jbcn4F35dH0C j7lkmXJcgDTrKISOM2BPr7nY8ccQEdQs7BlImnONjvGKGXOI3bfVt45fDtoUi0pKUvQdT2xqJm91h SRhrWhpN/dcWyUhYTpow==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nfT9C-00BJgt-QX; Fri, 15 Apr 2022 21:06:30 +0000 Received: from mail-qk1-x731.google.com ([2607:f8b0:4864:20::731]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nfT9A-00BJfc-3k for linux-rockchip@lists.infradead.org; Fri, 15 Apr 2022 21:06:29 +0000 Received: by mail-qk1-x731.google.com with SMTP id d198so4226607qkc.12 for ; Fri, 15 Apr 2022 14:06:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=a4nsrukBt8/qYfpBVgNViUnWTj44aDVVHk116XxwMTc=; b=ei02RGO8B4GvbxIFXYGiVe3bBCji+AT5TQNK1eyZirSvHjzPg+gt04xDt50VkbrTLQ NWqVitJN3rGlZHXg7unJLqg1MlO4rt8q/xSpmGO3C4PbjawMaCJpTm0WeDQzXmq+OxCI zMf6V67rKIYHNjUBzwbrtBhDzSiIR2z0YZx8ik2kA9HrqQQWk0v7ArdgG3mtDFp+N0iz Btd8lhA2h8weiSEtyLX7ApLvRCxPaBehAScdlAqXVBiy2bhucY+KBGYFOwb8rZzCo1mY qfjqAwuvo1tYrxKfr9vSVdKpKEsD2ZmkATfBRSJ/2LWjGCyAVrYbQfyLcE7Y8+QfhEjJ bCIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=a4nsrukBt8/qYfpBVgNViUnWTj44aDVVHk116XxwMTc=; b=lOSwPCy4NvxhP4+9MhRATLmsEqOrPRa475aypUghUiDSa5K8HBkhKn+CTj9o6h4/Ts E302gKCyr95cL2pmALcVjMUfEuW5hELd/Wm0eR17BOv4iyw2PKfilt1LoJILTON6KcCk sJ4OZ+8Ze6mjMsll+X+65cwIuom/tYBDa/k1FDtD4TAdjdJKay5b+VcLHHP2MGhDTU8F /p3+5M8Afxe8dzlk4zxjAxT7OHp2bIIYuJYdoHxQy+QDmnFdzkllSbALFb2+FFIMw/T3 6UcvEJ7DJdhMKwDb+8SWfesytXgwribOMhWcmjgO7aedL8rYhQQKmlW/P9Sd0uk/3qBq Zw1Q== X-Gm-Message-State: AOAM530Cyi9cndYgnCmMCW/twH+ny+Onfs2b1at5I7ebwDzjA/7E3b+Z QNAvSQ8cWRZpOXZZdEx+BfimwRHhhwU7Vg== X-Google-Smtp-Source: ABdhPJy5paJwGqLgwegpBrj7lXfC6W9ZFoG5/teOzaYWm0ly1dRkE7I4QgVypeRqjrYgvqhTvfEB5A== X-Received: by 2002:a05:620a:6d1:b0:69c:3806:8655 with SMTP id 17-20020a05620a06d100b0069c38068655mr524820qky.154.1650056786476; Fri, 15 Apr 2022 14:06:26 -0700 (PDT) Received: from master-x64.sparksnet ([2601:153:980:85b1::10]) by smtp.gmail.com with ESMTPSA id w8-20020a05620a148800b0069c4884c990sm2838664qkj.108.2022.04.15.14.06.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Apr 2022 14:06:26 -0700 (PDT) From: Peter Geis To: Cc: linux-rockchip@lists.infradead.org, heiko@sntech.de, Peter Geis Subject: [PATCH v3 0/4] Enable rk356x PCIe controller Date: Fri, 15 Apr 2022 17:06:17 -0400 Message-Id: <20220415210621.538109-1-pgwipeout@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220415_140628_190330_99969AD5 X-CRM114-Status: GOOD ( 10.67 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Cc: heiko@sntech.de, linux-rockchip@lists.infradead.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org This series enables the DesignWare based PCIe controller on the rk356x series of chips. We drop the fallback to the core driver due to compatibility issues. We add support for legacy interrupts for cards that lack MSI support (which is partially broken currently). We then add the device tree nodes to enable PCIe on the Quartz64 Model A. Patch 1 drops the snps,dw,pcie fallback from the dt-binding Patch 2 adds legacy interrupt support to the driver Patch 3 adds the device tree binding to the rk356x.dtsi Patch 4 enables the PCIe controller on the Quartz64-A Changelog: v3: - drop select node from dt-binding - convert to for_each_set_bit - convert to generic_handle_domain_irq - drop unncessary dev_err - reorder irq_chip items - change to level_irq - install the handler after initializing the domain v2: - Define PCIE_CLIENT_INTR_STATUS_LEGACY - Fix PCIE_LEGACY_INT_ENABLE to only enable the RC interrupts - Add legacy interrupt enable/disable support Peter Geis (4): dt-bindings: pci: remove fallback from Rockchip DesignWare binding PCI: dwc: rockchip: add legacy interrupt support arm64: dts: rockchip: add rk3568 pcie2x1 controller arm64: dts: rockchip: enable pcie controller on quartz64-a .../bindings/pci/rockchip-dw-pcie.yaml | 12 +- .../boot/dts/rockchip/rk3566-quartz64-a.dts | 34 ++++++ arch/arm64/boot/dts/rockchip/rk356x.dtsi | 68 ++++++++++- drivers/pci/controller/dwc/pcie-dw-rockchip.c | 112 +++++++++++++++++- 4 files changed, 210 insertions(+), 16 deletions(-)