From patchwork Mon Aug 3 19:45:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jim Quinlan X-Patchwork-Id: 11698735 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com 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 A886B913 for ; Mon, 3 Aug 2020 19:45:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0A4A722CAE for ; Mon, 3 Aug 2020 19:45:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="TLtR9QoX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728766AbgHCTpj (ORCPT ); Mon, 3 Aug 2020 15:45:39 -0400 Received: from rnd-relay.smtp.broadcom.com ([192.19.229.170]:39716 "EHLO rnd-relay.smtp.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728753AbgHCTpj (ORCPT ); Mon, 3 Aug 2020 15:45:39 -0400 Received: from mail-irv-17.broadcom.com (mail-irv-17.lvn.broadcom.net [10.75.242.48]) by rnd-relay.smtp.broadcom.com (Postfix) with ESMTP id 0B64630C146; Mon, 3 Aug 2020 12:44:11 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.10.3 rnd-relay.smtp.broadcom.com 0B64630C146 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1596483851; bh=GSqFzmHeOiSek+62bFpDJcfrtOQWQUrThlJG71lclKo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TLtR9QoXWDqmR6pywZiRxp4rVkRrmZ2x9FFnTHtSoZTVzQPKe1xEt3HfcpY0qmNai JeRGdyxIeDogpDRzZsgBGS1Eqiap0nJ1qK7IX6gLyR9NRq7SDYDgvqTB6UbGLck8oW yk/wexoWSOp9XW6D8GUG7zG0lQhYuswo5WmuQsNQ= Received: from stbsrv-and-01.and.broadcom.net (stbsrv-and-01.and.broadcom.net [10.28.16.211]) by mail-irv-17.broadcom.com (Postfix) with ESMTP id 59A6914008B; Mon, 3 Aug 2020 12:45:36 -0700 (PDT) From: Jim Quinlan To: linux-pci@vger.kernel.org, Nicolas Saenz Julienne , Christoph Hellwig , Robin Murphy , bcm-kernel-feedback-list@broadcom.com, james.quinlan@broadcom.com Cc: Jim Quinlan , Florian Fainelli , Bjorn Helgaas , Rob Herring , linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM7XXX ARM ARCHITECTURE), linux-rpi-kernel@lists.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v10 02/11] dt-bindings: PCI: Add bindings for more Brcmstb chips Date: Mon, 3 Aug 2020 15:45:07 -0400 Message-Id: <20200803194529.32357-3-james.quinlan@broadcom.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200803194529.32357-1-james.quinlan@broadcom.com> References: <20200803194529.32357-1-james.quinlan@broadcom.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: Jim Quinlan - Add compatible strings for three more Broadcom STB chips: 7278, 7216, 7211 (STB version of RPi4). - Add new property 'brcm,scb-sizes'. - Add new property 'resets'. - Add new property 'reset-names' for 7216 only. - Allow 'ranges' and 'dma-ranges' to have more than one item and update the example to show this. Signed-off-by: Jim Quinlan Reviewed-by: Rob Herring --- .../bindings/pci/brcm,stb-pcie.yaml | 56 ++++++++++++++++--- 1 file changed, 49 insertions(+), 7 deletions(-) diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml index 8680a0f86c5a..807694b4f41f 100644 --- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml @@ -9,12 +9,15 @@ title: Brcmstb PCIe Host Controller Device Tree Bindings maintainers: - Nicolas Saenz Julienne -allOf: - - $ref: /schemas/pci/pci-bus.yaml# - properties: compatible: - const: brcm,bcm2711-pcie # The Raspberry Pi 4 + items: + - enum: + - brcm,bcm2711-pcie # The Raspberry Pi 4 + - brcm,bcm7211-pcie # Broadcom STB version of RPi4 + - brcm,bcm7278-pcie # Broadcom 7278 Arm + - brcm,bcm7216-pcie # Broadcom 7216 Arm + - brcm,bcm7445-pcie # Broadcom 7445 Arm reg: maxItems: 1 @@ -34,10 +37,12 @@ properties: - const: msi ranges: - maxItems: 1 + minItems: 1 + maxItems: 4 dma-ranges: - maxItems: 1 + minItems: 1 + maxItems: 6 clocks: maxItems: 1 @@ -58,8 +63,31 @@ properties: aspm-no-l0s: true + resets: + description: for "brcm,bcm7216-pcie", must be a valid reset + phandle pointing to the RESCAL reset controller provider node. + $ref: "/schemas/types.yaml#/definitions/phandle" + + reset-names: + items: + - const: rescal + + brcm,scb-sizes: + description: u64 giving the 64bit PCIe memory + viewport size of a memory controller. There may be up to + three controllers, and each size must be a power of two + with a size greater or equal to the amount of memory the + controller supports. Note that each memory controller + may have two component regions -- base and extended -- so + this information cannot be deduced from the dma-ranges. + $ref: /schemas/types.yaml#/definitions/uint64-array + items: + minItems: 1 + maxItems: 3 + required: - reg + - ranges - dma-ranges - "#interrupt-cells" - interrupts @@ -68,6 +96,18 @@ required: - interrupt-map - msi-controller +allOf: + - $ref: /schemas/pci/pci-bus.yaml# + - if: + properties: + compatible: + contains: + const: brcm,bcm7216-pcie + then: + required: + - resets + - reset-names + unevaluatedProperties: false examples: @@ -93,7 +133,9 @@ examples: msi-parent = <&pcie0>; msi-controller; ranges = <0x02000000 0x0 0xf8000000 0x6 0x00000000 0x0 0x04000000>; - dma-ranges = <0x02000000 0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>; + dma-ranges = <0x42000000 0x1 0x00000000 0x0 0x40000000 0x0 0x80000000>, + <0x42000000 0x1 0x80000000 0x3 0x00000000 0x0 0x80000000>; brcm,enable-ssc; + brcm,scb-sizes = <0x0000000080000000 0x0000000080000000>; }; };