From patchwork Thu Sep 5 14:01:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Chocron, Jonathan" X-Patchwork-Id: 11133195 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 A50CB112B for ; Thu, 5 Sep 2019 14:02:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A470C2082C for ; Thu, 5 Sep 2019 14:02:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="durBodr0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387867AbfIEOCI (ORCPT ); Thu, 5 Sep 2019 10:02:08 -0400 Received: from smtp-fw-6002.amazon.com ([52.95.49.90]:32843 "EHLO smtp-fw-6002.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387862AbfIEOCI (ORCPT ); Thu, 5 Sep 2019 10:02:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1567692127; x=1599228127; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=mtcExX1DvgKeY32dgd0YJY2ICHMN8S9nv5NWZ+RR3o4=; b=durBodr0/8S1iwKNQfRpSYss+rZq2byg+3ltJ4FLMbBpK3jJbAYtpNE7 SLohyW0mv2MwZtwPpwOg3lTI7OVuj1UfhdXTjCfQKEaZeU9tslFinVXGr 2IMt5uNrzPCNTpvHZUc79CKkALidOOwRX6KZuq32fo6oIzcMK7i+wqsNY I=; X-IronPort-AV: E=Sophos;i="5.64,470,1559520000"; d="scan'208";a="419628744" Received: from iad6-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-1a-67b371d8.us-east-1.amazon.com) ([10.124.125.6]) by smtp-border-fw-out-6002.iad6.amazon.com with ESMTP; 05 Sep 2019 14:02:06 +0000 Received: from EX13MTAUWA001.ant.amazon.com (iad55-ws-svc-p15-lb9-vlan3.iad.amazon.com [10.40.159.166]) by email-inbound-relay-1a-67b371d8.us-east-1.amazon.com (Postfix) with ESMTPS id 6ACFEA2B70; Thu, 5 Sep 2019 14:02:03 +0000 (UTC) Received: from EX13D13UWA001.ant.amazon.com (10.43.160.136) by EX13MTAUWA001.ant.amazon.com (10.43.160.58) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Thu, 5 Sep 2019 14:02:03 +0000 Received: from u9ff250417f405e.ant.amazon.com (10.43.160.29) by EX13D13UWA001.ant.amazon.com (10.43.160.136) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Thu, 5 Sep 2019 14:01:56 +0000 From: Jonathan Chocron To: , , , , , CC: , , , , , , , , , , , , Subject: [PATCH v5 5/7] dt-bindings: PCI: Add Amazon's Annapurna Labs PCIe host bridge binding Date: Thu, 5 Sep 2019 17:01:42 +0300 Message-ID: <20190905140144.7933-1-jonnyc@amazon.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190905140018.5139-1-jonnyc@amazon.com> References: <20190905140018.5139-1-jonnyc@amazon.com> MIME-Version: 1.0 X-Originating-IP: [10.43.160.29] X-ClientProxiedBy: EX13D10UWB004.ant.amazon.com (10.43.161.121) To EX13D13UWA001.ant.amazon.com (10.43.160.136) Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Document Amazon's Annapurna Labs PCIe host bridge. Signed-off-by: Jonathan Chocron Reviewed-by: Andrew Murray Reviewed-by: Rob Herring --- .../devicetree/bindings/pci/pcie-al.txt | 46 +++++++++++++++++++ MAINTAINERS | 3 +- 2 files changed, 48 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/pci/pcie-al.txt diff --git a/Documentation/devicetree/bindings/pci/pcie-al.txt b/Documentation/devicetree/bindings/pci/pcie-al.txt new file mode 100644 index 000000000000..557a5089229d --- /dev/null +++ b/Documentation/devicetree/bindings/pci/pcie-al.txt @@ -0,0 +1,46 @@ +* Amazon Annapurna Labs PCIe host bridge + +Amazon's Annapurna Labs PCIe Host Controller is based on the Synopsys DesignWare +PCI core. It inherits common properties defined in +Documentation/devicetree/bindings/pci/designware-pcie.txt. + +Properties of the host controller node that differ from it are: + +- compatible: + Usage: required + Value type: + Definition: Value should contain + - "amazon,al-alpine-v2-pcie" for alpine_v2 + - "amazon,al-alpine-v3-pcie" for alpine_v3 + +- reg: + Usage: required + Value type: + Definition: Register ranges as listed in the reg-names property + +- reg-names: + Usage: required + Value type: + Definition: Must include the following entries + - "config" PCIe ECAM space + - "controller" AL proprietary registers + - "dbi" Designware PCIe registers + +Example: + + pcie-external0: pcie@fb600000 { + compatible = "amazon,al-alpine-v3-pcie"; + reg = <0x0 0xfb600000 0x0 0x00100000 + 0x0 0xfd800000 0x0 0x00010000 + 0x0 0xfd810000 0x0 0x00001000>; + reg-names = "config", "controller", "dbi"; + bus-range = <0 255>; + device_type = "pci"; + #address-cells = <3>; + #size-cells = <2>; + #interrupt-cells = <1>; + interrupts = ; + interrupt-map-mask = <0x00 0 0 7>; + interrupt-map = <0x0000 0 0 1 &gic GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>; /* INTa */ + ranges = <0x02000000 0x0 0xc0010000 0x0 0xc0010000 0x0 0x07ff0000>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 783569e3c4b4..d200b16fa95c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12448,10 +12448,11 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/pci.git/ S: Supported F: drivers/pci/controller/ -PCIE DRIVER FOR ANNAPURNA LABS +PCIE DRIVER FOR AMAZON ANNAPURNA LABS M: Jonathan Chocron L: linux-pci@vger.kernel.org S: Maintained +F: Documentation/devicetree/bindings/pci/pcie-al.txt F: drivers/pci/controller/dwc/pcie-al.c PCIE DRIVER FOR AMLOGIC MESON