From patchwork Tue Oct 7 13:22:27 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Seraphin Bonnaffe X-Patchwork-Id: 397297 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 1BA211400A3 for ; Wed, 8 Oct 2014 00:23:47 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753422AbaJGNXp (ORCPT ); Tue, 7 Oct 2014 09:23:45 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:47454 "EHLO mx08-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751795AbaJGNXp (ORCPT ); Tue, 7 Oct 2014 09:23:45 -0400 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-00178001.pphosted.com (8.14.5/8.14.5) with SMTP id s97DMVmF030381; Tue, 7 Oct 2014 15:22:58 +0200 Received: from beta.dmz-ap.st.com (beta.dmz-ap.st.com [138.198.100.35]) by mx08-00178001.pphosted.com with ESMTP id 1pu6pmjj02-1 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 07 Oct 2014 15:22:58 +0200 Received: from zeta.dmz-ap.st.com (ns6.st.com [138.198.234.13]) by beta.dmz-ap.st.com (STMicroelectronics) with ESMTP id 3DC8923; Tue, 7 Oct 2014 13:22:53 +0000 (GMT) Received: from Webmail-ap.st.com (eapex1hubcas4.st.com [10.80.176.69]) by zeta.dmz-ap.st.com (STMicroelectronics) with ESMTP id 4EE5328BD; Tue, 7 Oct 2014 13:22:52 +0000 (GMT) Received: from localhost (10.201.23.72) by Webmail-ap.st.com (10.80.176.7) with Microsoft SMTP Server (TLS) id 8.3.298.1; Tue, 7 Oct 2014 21:22:51 +0800 From: Seraphin Bonnaffe To: , , , , , Cc: , , , , , , , , Subject: [RFC PATCH 1/2] mfd: syscon: Document new DT binding "holes" Date: Tue, 7 Oct 2014 15:22:27 +0200 Message-ID: <1412688148-20835-2-git-send-email-seraphin.bonnaffe@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1412688148-20835-1-git-send-email-seraphin.bonnaffe@st.com> References: <54244655.1090801@st.com> <1412688148-20835-1-git-send-email-seraphin.bonnaffe@st.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.12.52, 1.0.28, 0.0.0000 definitions=2014-10-07_05:2014-10-07, 2014-10-07, 1970-01-01 signatures=0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patch adds DT bindings to declare holes in syscon register maps. Signed-off-by: Seraphin Bonnaffe --- Documentation/devicetree/bindings/mfd/syscon.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/syscon.txt b/Documentation/devicetree/bindings/mfd/syscon.txt index fe8150b..80ab9ca 100644 --- a/Documentation/devicetree/bindings/mfd/syscon.txt +++ b/Documentation/devicetree/bindings/mfd/syscon.txt @@ -13,8 +13,13 @@ Required properties: - compatible: Should contain "syscon". - reg: the register region can be accessed from syscon +Optional properties: +- holes: Register regions that cannot be accessed within reg range. + Each hole is described with its offset address, followed by its size. + Examples: gpr: iomuxc-gpr@020e0000 { compatible = "fsl,imx6q-iomuxc-gpr", "syscon"; reg = <0x020e0000 0x38>; + holes = <0x000c 0x8 0x020 0x4>; };