From patchwork Fri Mar 9 18:44:14 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Anholt X-Patchwork-Id: 883926 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=anholt.net Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zybtd1rf8z9scN for ; Sat, 10 Mar 2018 05:46:01 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932432AbeCISoX (ORCPT ); Fri, 9 Mar 2018 13:44:23 -0500 Received: from anholt.net ([50.246.234.109]:36066 "EHLO anholt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932195AbeCISoW (ORCPT ); Fri, 9 Mar 2018 13:44:22 -0500 Received: from localhost (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 94E8610A1614; Fri, 9 Mar 2018 10:44:21 -0800 (PST) X-Virus-Scanned: Debian amavisd-new at anholt.net Received: from anholt.net ([127.0.0.1]) by localhost (kingsolver.anholt.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id GOtEMIu8ucfY; Fri, 9 Mar 2018 10:44:20 -0800 (PST) Received: from eliezer.anholt.net (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 4B1C610A1502; Fri, 9 Mar 2018 10:44:18 -0800 (PST) Received: by eliezer.anholt.net (Postfix, from userid 1000) id 183562FE2D68; Fri, 9 Mar 2018 10:44:17 -0800 (PST) From: Eric Anholt To: Florian Fainelli , Mark Rutland , Rob Herring , devicetree@vger.kernel.org, Greg Kroah-Hartman , Phil Elwell Cc: linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stefan Wahren , bcm-kernel-feedback-list@broadcom.com, Eric Anholt Subject: [PATCH v3 3/6] dt-bindings: soc: Add a binding for the Broadcom VCHIQ services. (v3) Date: Fri, 9 Mar 2018 10:44:14 -0800 Message-Id: <20180309184417.23368-3-eric@anholt.net> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180309184417.23368-1-eric@anholt.net> References: <20180309184417.23368-1-eric@anholt.net> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The VCHIQ communication channel can be provided by BCM283x and Capri SoCs, to communicate with the VPU-side OS services. Signed-off-by: Eric Anholt Reviewed-by: Rob Herring --- v2: VCHI->VCHIQ, dropped firmware property, added cache-line-size v3: Dropped cache-line-size, s/vchi@/mailbox@/ .../devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt new file mode 100644 index 000000000000..8dd7b3a7de65 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt @@ -0,0 +1,16 @@ +Broadcom VCHIQ firmware services + +Required properties: + +- compatible: Should be "brcm,bcm2835-vchiq" +- reg: Physical base address and length of the doorbell register pair +- interrupts: The interrupt number + See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt + +Example: + +mailbox@7e00b840 { + compatible = "brcm,bcm2835-vchiq"; + reg = <0x7e00b840 0xf>; + interrupts = <0 2>; +};