From patchwork Wed Apr 8 18:21:34 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ray Jui X-Patchwork-Id: 459412 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 1102B140134 for ; Thu, 9 Apr 2015 04:19:17 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753994AbbDHSTP (ORCPT ); Wed, 8 Apr 2015 14:19:15 -0400 Received: from mail-gw1-out.broadcom.com ([216.31.210.62]:20633 "EHLO mail-gw1-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754223AbbDHSSm (ORCPT ); Wed, 8 Apr 2015 14:18:42 -0400 X-IronPort-AV: E=Sophos;i="5.11,545,1422950400"; d="scan'208";a="61764319" Received: from irvexchcas07.broadcom.com (HELO IRVEXCHCAS07.corp.ad.broadcom.com) ([10.9.208.55]) by mail-gw1-out.broadcom.com with ESMTP; 08 Apr 2015 11:36:07 -0700 Received: from IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) by IRVEXCHCAS07.corp.ad.broadcom.com (10.9.208.55) with Microsoft SMTP Server (TLS) id 14.3.174.1; Wed, 8 Apr 2015 11:18:41 -0700 Received: from mail-irva-13.broadcom.com (10.10.10.20) by IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) with Microsoft SMTP Server id 14.3.174.1; Wed, 8 Apr 2015 11:18:41 -0700 Received: from mail.broadcom.com (unknown [10.136.8.49]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id 1383740FE8; Wed, 8 Apr 2015 11:17:16 -0700 (PDT) From: Ray Jui To: Bjorn Helgaas CC: Scott Branden , , , , Ray Jui Subject: [PATCH v8 2/3] PCI: iproc: Add DT docs for Broadcom iProc PCIe driver Date: Wed, 8 Apr 2015 11:21:34 -0700 Message-ID: <1428517295-12825-3-git-send-email-rjui@broadcom.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1428517295-12825-1-git-send-email-rjui@broadcom.com> References: <1428517295-12825-1-git-send-email-rjui@broadcom.com> MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Document the Broadcom iProc PCIe platform interface device tree binding Signed-off-by: Ray Jui Signed-off-by: Bjorn Helgaas Reviewed-by: Scott Branden Acked-by: Arnd Bergmann --- .../devicetree/bindings/pci/brcm,iproc-pcie.txt | 63 ++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt diff --git a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt new file mode 100644 index 0000000..f7ce50e --- /dev/null +++ b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt @@ -0,0 +1,63 @@ +* Broadcom iProc PCIe controller with the platform bus interface + +Required properties: +- compatible: Must be "brcm,iproc-pcie" +- reg: base address and length of the PCIe controller I/O register space +- #interrupt-cells: set to <1> +- interrupt-map-mask and interrupt-map, standard PCI properties to define the + mapping of the PCIe interface to interrupt numbers +- linux,pci-domain: PCI domain ID. Should be unique for each host controller +- bus-range: PCI bus numbers covered +- #address-cells: set to <3> +- #size-cells: set to <2> +- device_type: set to "pci" +- ranges: ranges for the PCI memory and I/O regions + +Optional properties: +- phys: phandle of the PCIe PHY device +- phy-names: must be "pcie-phy" + +Example: + pcie0: pcie@18012000 { + compatible = "brcm,iproc-pcie"; + reg = <0x18012000 0x1000>; + + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 0>; + interrupt-map = <0 0 0 0 &gic GIC_SPI 100 IRQ_TYPE_NONE>; + + linux,pci-domain = <0>; + + bus-range = <0x00 0xff>; + + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + ranges = <0x81000000 0 0 0x28000000 0 0x00010000 + 0x82000000 0 0x20000000 0x20000000 0 0x04000000>; + + phys = <&phy 0 5>; + phy-names = "pcie-phy"; + }; + + pcie1: pcie@18013000 { + compatible = "brcm,iproc-pcie"; + reg = <0x18013000 0x1000>; + + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 0>; + interrupt-map = <0 0 0 0 &gic GIC_SPI 106 IRQ_TYPE_NONE>; + + linux,pci-domain = <1>; + + bus-range = <0x00 0xff>; + + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + ranges = <0x81000000 0 0 0x48000000 0 0x00010000 + 0x82000000 0 0x40000000 0x40000000 0 0x04000000>; + + phys = <&phy 1 6>; + phy-names = "pcie-phy"; + };