From patchwork Mon Jun 29 16:18:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Saenz Julienne X-Patchwork-Id: 11631227 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CAC72618 for ; Mon, 29 Jun 2020 16:21:00 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A3CCB25491 for ; Mon, 29 Jun 2020 16:21:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="JwM5mCbY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A3CCB25491 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LjCYtHPjXqXR61QDrvCq4qAglok9Omt0O/5qxEsNjHI=; b=JwM5mCbYZQedLKE99zHh6GaVJ ZypIPkIyHjLToVd4He9Vm1benJxVNXU4Qtq3wPYrm+as+kPKHBL9IAXl0pg54/74N7oN8p+GegPRB rCmDcPfw1rNj3tBO6Tz8vp8mVBoY9vkp+UYy+RR7uS/Z9F/zmXKHQFBY3cL8DcCN/XxQ3KQbgItIi h9lpxOsL7PHpr/BPb1I5lYtQDJrZEDigShjimYAlmRXb+lSq2UNnuZ1CcL2ydajK3N4qpfq0WcADQ zIE/16EwYRM5k+pAJsm0Ya16AG2m90Er1msDEFIsqeRujW8x5OMBDHeWHH6wyxMVBT9gjn/Q+CR0h uxCM5sg/w==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jpwV4-0007Wn-3w; Mon, 29 Jun 2020 16:19:18 +0000 Received: from mx2.suse.de ([195.135.220.15]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jpwUk-0007Rg-Tr; Mon, 29 Jun 2020 16:18:59 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id ECA7AAE6D; Mon, 29 Jun 2020 16:18:57 +0000 (UTC) From: Nicolas Saenz Julienne To: f.fainelli@gmail.com, gregkh@linuxfoundation.org, robh@kernel.org, wahrenst@gmx.net, p.zabel@pengutronix.de, andy.shevchenko@gmail.com Subject: [PATCH v5 4/9] ARM: dts: bcm2711: Add reset controller to xHCI node Date: Mon, 29 Jun 2020 18:18:40 +0200 Message-Id: <20200629161845.6021-5-nsaenzjulienne@suse.de> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200629161845.6021-1-nsaenzjulienne@suse.de> References: <20200629161845.6021-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 X-Spam-Note: CRM114 invocation failed X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [195.135.220.15 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [195.135.220.15 listed in wl.mailspike.net] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: tim.gover@raspberrypi.org, mathias.nyman@linux.intel.com, linux-pci@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Nicolas Saenz Julienne , lorenzo.pieralisi@arm.com, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, helgaas@kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The chip is hardwired to the board's PCIe bus and needs to be properly setup trough a firmware routine after a PCI fundamental reset. Pass the reset controller phandle that takes care of triggering the initialization to the relevant PCI device. Signed-off-by: Nicolas Saenz Julienne Reviewed-by: Florian Fainelli --- Changes since v3: - Correctly define PCIe topology: [0000:00]---00.0-[01]----00.0 VIA Technologies, Inc. VL805 USB 3.0 Host Controller Earlier versions were not taking into account the bridge between the PCIe controller and xHCI controller. It worked, but out of luck... Changes since v2: - Use dt-bindings to access IDs Changes since v1: - Update to match new binding arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts index 0cef95058fb0..5b54d2185893 100644 --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts @@ -4,6 +4,8 @@ #include "bcm2835-rpi.dtsi" #include "bcm283x-rpi-usb-peripheral.dtsi" +#include + / { compatible = "raspberrypi,4-model-b", "brcm,bcm2711"; model = "Raspberry Pi 4 Model B"; @@ -207,6 +209,21 @@ phy1: ethernet-phy@1 { }; }; +&pcie0 { + pci@1,0 { + #address-cells = <3>; + #size-cells = <2>; + ranges; + + reg = <0 0 0 0 0>; + + usb@1,0 { + reg = <0x10000 0 0 0 0>; + resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>; + }; + }; +}; + /* uart0 communicates with the BT module */ &uart0 { pinctrl-names = "default";