From mboxrd@z Thu Jan 1 00:00:00 1970 From: Emil Medve Subject: [PATCH 2/4] dt/bindings: Introduce the FSL QorIQ DPAA BMan portal(s) Date: Wed, 22 Oct 2014 09:09:30 -0500 Message-ID: <1413986972-621-2-git-send-email-Emilian.Medve@Freescale.com> References: <1413986972-621-1-git-send-email-Emilian.Medve@Freescale.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1413986972-621-1-git-send-email-Emilian.Medve@Freescale.com> Sender: linux-doc-owner@vger.kernel.org To: scottwood@Freescale.com, galak@kernel.crashing.org, corbet@lwn.net, robh+dt@kernel.org, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, pawel.moll@arm.com, mark.rutland@arm.com, Geoff.Thorpe@Freescale.com, linuxppc-dev@ozlabs.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org Cc: Emil Medve List-Id: devicetree@vger.kernel.org Portals are used by software running on processor cores, accelerators and network interfaces to communicate with the BMan Signed-off-by: Emil Medve Change-Id: I6d245ffc14ba3d0e91d403ac7c3b91b75a9e6a95 --- .../bindings/powerpc/fsl/bman-portals.txt | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Documentation/devicetree/bindings/powerpc/fsl/bman-portals.txt diff --git a/Documentation/devicetree/bindings/powerpc/fsl/bman-portals.txt b/Documentation/devicetree/bindings/powerpc/fsl/bman-portals.txt new file mode 100644 index 0000000..40e607e --- /dev/null +++ b/Documentation/devicetree/bindings/powerpc/fsl/bman-portals.txt @@ -0,0 +1,50 @@ +QorIQ DPAA Buffer Manager Portals Device Tree Binding + +Copyright (C) 2008 - 2014 Freescale Semiconductor Inc. + +CONTENTS + + - BMan Portal + - Example + +NOTE: The bindings described in this document are preliminary and subject to + change + +BMan Portal Node + +PROPERTIES + +- compatible + Usage: Required + Value type: + Definition: Must include "fsl,bman-portal-" + May include "fsl,-bman-portal" or "fsl,bman-portal" + +- reg + Usage: Required + Value type: + Definition: Two regions. The first is the cache-enabled region of + the portal. The second is the cache-inhibited region of + the portal + +EXAMPLE + +The example below shows a (P4080) BMan portals container/bus node with two portals + + bman-portals@ff4000000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + ranges = <0 0xf 0xf4000000 0x200000>; + + bman-portal@0 { + compatible = "fsl,bman-portal-1.0.0", "fsl,bman-portal"; + reg = <0x0 0x4000 0x100000 0x1000>; + interrupts = <105 2 0 0>; + }; + bman-portal@4000 { + compatible = "fsl,bman-portal-1.0.0", "fsl,bman-portal"; + reg = <0x4000 0x4000 0x101000 0x1000>; + interrupts = <107 2 0 0>; + }; + }; -- 2.1.2