From patchwork Wed Apr 22 22:18:44 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Feng Kan X-Patchwork-Id: 463825 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 38CD414009B for ; Thu, 23 Apr 2015 08:19:32 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934450AbbDVWS5 (ORCPT ); Wed, 22 Apr 2015 18:18:57 -0400 Received: from exprod5og113.obsmtp.com ([64.18.0.26]:37853 "EHLO mail-pa0-f54.google.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S934417AbbDVWSr (ORCPT ); Wed, 22 Apr 2015 18:18:47 -0400 Received: from mail-pa0-f54.google.com ([209.85.220.54]) (using TLSv1) by exprod5ob113.postini.com ([64.18.4.12]) with SMTP ID DSNKVTgeR8HNrE79Ap/1PbT7xLFHafK5xZr3@postini.com; Wed, 22 Apr 2015 15:18:47 PDT Received: by pabsx10 with SMTP id sx10so278992pab.3 for ; Wed, 22 Apr 2015 15:18:46 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=e/+MBiXMs3I/xTpUq/LmYJuXcRD2LN9eWFrIr/HtnX8=; b=mHuJIc9qCBk/ZU81omeWXUu74FCt7vjp82xGQlE7K6BisDly4KuTUojeiy8kck0+WE UMx3LPGYTutAT037b58n7DKTC9NQaID98u0tHhqwi7mHQaRVsFXCjLPTiiCYqb732Bo6 HkEtBVkGLZj/DB9FbDFGxmq7wENYENdrPUk0b0YV0oqGReZ6DCkRtbHGsLoUaESJeqnF 5xFI+rt2roeeWdWkL0shcQcYzcPmmRVp/sHjC8erVMXTyMOOpR7JDLvNTkXSB8XNzY/M GwezXoXsaGniGkBRv2cYGAQ0YhHiigvXnIkcPPreBGALLduuNr1x9hKiI25J2nSj1KaK rUUA== X-Gm-Message-State: ALoCoQlzSDymCmeUf6Wzd4O3w9btEZ9uEYgkptNAIvbYnB4Yo8w1WDWhN6J/qDYNagW33r0LQ3+cmnYd2WpIziIUsZ1Zm4RUmSlAukMDc2tBPqCXozyMNKEWId4StiakrqUI0B2DMjPND1WcjFWDZJuZsVMVRNO8jQ== X-Received: by 10.70.50.199 with SMTP id e7mr51430991pdo.124.1429741126631; Wed, 22 Apr 2015 15:18:46 -0700 (PDT) X-Received: by 10.70.50.199 with SMTP id e7mr51430972pdo.124.1429741126479; Wed, 22 Apr 2015 15:18:46 -0700 (PDT) Received: from fkan-lpt.amcc.com (67-207-112-226.static.wiline.com. [67.207.112.226]) by mx.google.com with ESMTPSA id qh9sm6004905pbc.24.2015.04.22.15.18.45 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 22 Apr 2015 15:18:45 -0700 (PDT) From: Feng Kan To: patches@apm.com, jassisinghbrar@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org Cc: Feng Kan Subject: [PATCH V2 3/4] Documentation: mailbox: Add APM X-Gene SLIMpro mailbox dts documentation Date: Wed, 22 Apr 2015 15:18:44 -0700 Message-Id: <1429741125-29156-4-git-send-email-fkan@apm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1429741125-29156-1-git-send-email-fkan@apm.com> References: <1429741125-29156-1-git-send-email-fkan@apm.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This adds the APM X-Gene SLIMpro mailbox device tree node documentation. Signed-off-by: Feng Kan --- .../bindings/mailbox/xgene-slimpro-mailbox.txt | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt diff --git a/Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt b/Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt new file mode 100644 index 0000000..d02a3d8 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt @@ -0,0 +1,34 @@ +The APM X-Gene SLIMpro mailbox is used to communicate messages between +the ARM64 processors and the Cortex M3 (dubbed SLIMpro). It uses a simple +interrupt based door bell mechanism and can exchange simple messages using the +internal registers. + +There are total of 7 interrupts in this mailbox. Each used for an individual +door bell (or mailbox channel). + +Required properties: +- compatible: Should be as "apm, xgene-slimpro-mbox". + +- reg: Contain the mailbox register address range. + +- interrupts: 7 interrupts must start from 0 to 6, interrupt 0 define the + the interrupt for mailbox channel 0 and interrupt 1 for + mailbox channel 1 and so likewise for the reminder. + +- #mbox-cells: only one to specify the mailbox channel number. + +Example: + +Mailbox Node: + slimpro-mbox: slimpro-mbox@10540000 { + compatible = "apm,xgene-slimpro-mbox"; + reg = <0x0 0x10540000 0x0 0xa000>; + #mbox-cells = <1>; + interrupts = <0x0 0x0 0x4>, + <0x0 0x1 0x4>, + <0x0 0x2 0x4>, + <0x0 0x3 0x4>, + <0x0 0x4 0x4>, + <0x0 0x5 0x4>, + <0x0 0x6 0x4>, + };