From patchwork Tue Nov 12 15:59:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Saenz Julienne X-Patchwork-Id: 11239729 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 65A9314E5 for ; Tue, 12 Nov 2019 16:00:37 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id EC9CF2067B for ; Tue, 12 Nov 2019 16:00:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="KIt1LhT/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EC9CF2067B 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=bombadil.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=4YpItwUnfq9bn8wd2Mj53gWwZlGGrN5aeKSfDJQr+8Q=; b=KIt1LhT/vA5p3D E+TXm13gYrCXxyS/SSEjPpVturANGyhkye1EAnrLqz0FwlNGzSVtDaq91Uwm/ftieUqDpyxLJaEIi +3+/aJYkRBlrpJBwE+7UqGyjmI02MMA1aV94BKksmkqvglm2N9mvs4xKiELC9X6z6buMmLIN2UcNT Qu2/a/Y40VMZZsLeut3VRH+aJyuVCUUwrlI2LFuVE/paKURGiWHuToi/AqzqOnSoKQz72u6a2omvb U2jm3Xr7m4kUi1Xv4WisTc9Ye9u2lJH9YBAELtSvaZepIS0l0FiAKEHg61EyMn1ivNgsxFeRJXPOR XTU5Cw3yit2r36boyynw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iUYam-0007gE-Pi; Tue, 12 Nov 2019 16:00:32 +0000 Received: from mx2.suse.de ([195.135.220.15] helo=mx1.suse.de) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iUYZy-0005Wf-8l; Tue, 12 Nov 2019 15:59:45 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id E3AEFB3B4; Tue, 12 Nov 2019 15:59:40 +0000 (UTC) From: Nicolas Saenz Julienne To: andrew.murray@arm.com, maz@kernel.org, linux-kernel@vger.kernel.org, Eric Anholt , Stefan Wahren , Florian Fainelli , bcm-kernel-feedback-list@broadcom.com, Bjorn Helgaas Subject: [PATCH v2 2/6] dt-bindings: PCI: Add bindings for brcmstb's PCIe device Date: Tue, 12 Nov 2019 16:59:21 +0100 Message-Id: <20191112155926.16476-3-nsaenzjulienne@suse.de> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191112155926.16476-1-nsaenzjulienne@suse.de> References: <20191112155926.16476-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191112_075942_621053_3EDF110B X-CRM114-Status: GOOD ( 13.41 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.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 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 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: Mark Rutland , devicetree@vger.kernel.org, mbrugger@suse.com, linux-pci@vger.kernel.org, phil@raspberrypi.org, jeremy.linton@arm.com, Rob Herring , linux-arm-kernel@lists.infradead.org, james.quinlan@broadcom.com, Nicolas Saenz Julienne , linux-rpi-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Jim Quinlan The DT bindings description of the brcmstb PCIe device is described. This node can only be used for now on the Raspberry Pi 4. Signed-off-by: Jim Quinlan Co-developed-by: Nicolas Saenz Julienne Signed-off-by: Nicolas Saenz Julienne --- Changes since v1: - Fix commit Subject - Remove linux,pci-domain This was based on Jim's original submission[1], converted to yaml and adapted to the RPi4 case. [1] https://patchwork.kernel.org/patch/10605937/ .../bindings/pci/brcm,stb-pcie.yaml | 110 ++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml new file mode 100644 index 000000000000..4cbb18821300 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml @@ -0,0 +1,110 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/brcm,stb-pcie.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Brcmstb PCIe Host Controller Device Tree Bindings + +maintainers: + - Nicolas Saenz Julienne + +properties: + compatible: + const: brcm,bcm2711-pcie # The Raspberry Pi 4 + + reg: + maxItems: 1 + + interrupts: + minItems: 1 + maxItems: 2 + items: + - description: PCIe host controller + - description: builtin MSI controller + + interrupt-names: + minItems: 1 + maxItems: 2 + items: + - const: pcie + - const: msi + + "#address-cells": + const: 3 + + "#size-cells": + const: 2 + + "#interrupt-cells": + const: 1 + + interrupt-map-mask: true + + interrupt-map: true + + ranges: true + + dma-ranges: true + + clocks: + maxItems: 1 + + clock-names: + items: + - const: sw_pcie + + msi-controller: + description: Identifies the node as an MSI controller. + type: boolean + + msi-parent: + description: MSI controller the device is capable of using. + $ref: /schemas/types.yaml#/definitions/phandle + + brcm,enable-ssc: + description: Indicates usage of spread-spectrum clocking. + type: boolean + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + - "#interrupt-cells" + - interrupt-map-mask + - interrupt-map + - ranges + - dma-ranges + +additionalProperties: false + +examples: + - | + #include + #include + + scb { + #address-cells = <2>; + #size-cells = <1>; + pcie0: pcie@7d500000 { + compatible = "brcm,bcm2711-pcie"; + reg = <0x0 0x7d500000 0x9310>; + #address-cells = <3>; + #size-cells = <2>; + #interrupt-cells = <1>; + interrupts = , + ; + interrupt-names = "pcie", "msi"; + interrupt-map-mask = <0x0 0x0 0x0 0x7>; + interrupt-map = <0 0 0 1 &gicv2 GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH + 0 0 0 2 &gicv2 GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH + 0 0 0 3 &gicv2 GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH + 0 0 0 4 &gicv2 GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>; + msi-parent = <&pcie0>; + msi-controller; + ranges = <0x02000000 0x0 0xf8000000 0x6 0x00000000 0x0 0x04000000>; + dma-ranges = <0x02000000 0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>; + brcm,enable-ssc; + }; + };