From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C65CFC004D3 for ; Wed, 24 Oct 2018 09:02:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 992EA207DD for ; Wed, 24 Oct 2018 09:02:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 992EA207DD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=zte.com.cn Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728046AbeJXR3Q (ORCPT ); Wed, 24 Oct 2018 13:29:16 -0400 Received: from out1.zte.com.cn ([202.103.147.172]:53530 "EHLO mxct.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728002AbeJXR3K (ORCPT ); Wed, 24 Oct 2018 13:29:10 -0400 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id D6C9D437FECA7D8F40F2; Wed, 24 Oct 2018 17:01:52 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id w9O91GTx009097; Wed, 24 Oct 2018 17:01:24 +0800 (GMT-8) (envelope-from peng.hao2@zte.com.cn) Received: from localhost.localdomain.localdomain ([10.74.120.59]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2018102417013782-6460490 ; Wed, 24 Oct 2018 17:01:37 +0800 From: Peng Hao To: robh+dt@kernel.org, mark.rutland@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, andy@infradead.org, dvhart@infradead.org Cc: linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, hutao@cn.fujitsu.com, Peng Hao Subject: [PATCH V2 4/4] misc/pvpanic : pvpanic: add document for pvpanic-mmio DT Date: Thu, 25 Oct 2018 01:12:16 +0800 Message-Id: <1540401136-78500-4-git-send-email-peng.hao2@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1540401136-78500-1-git-send-email-peng.hao2@zte.com.cn> References: <1540401136-78500-1-git-send-email-peng.hao2@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2018-10-24 17:01:37, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2018-10-24 17:01:16, Serialize complete at 2018-10-24 17:01:16 X-MAIL: mse01.zte.com.cn w9O91GTx009097 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Peng Hao --- .../devicetree/bindings/arm/pvpanic-mmio.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/pvpanic-mmio.txt diff --git a/Documentation/devicetree/bindings/arm/pvpanic-mmio.txt b/Documentation/devicetree/bindings/arm/pvpanic-mmio.txt new file mode 100644 index 0000000..a6bdacd --- /dev/null +++ b/Documentation/devicetree/bindings/arm/pvpanic-mmio.txt @@ -0,0 +1,29 @@ +* QEMU PVPANIC MMIO Configuration bindings for ARM + +QEMU's emulation / virtualization targets provide the following PVPANIC +MMIO Configuration interface on the "virt" machine. +type: + +- a read-write, 16-bit wide data register. + +QEMU exposes the data register to guests as memory mapped registers. + +Required properties: + +- compatible: "qemu,pvpanic-mmio". +- reg: the MMIO region used by the device. + * Bytes 0x0 Write panic event to the reg when guest OS panics. + * Bytes 0x1 Reserved. + +Example: + +/ { + #size-cells = <0x2>; + #address-cells = <0x2>; + + pvpanic-mmio@9060000 { + compatible = "qemu,pvpanic-mmio"; + reg = <0x0 0x9060000 0x0 0x2>; + }; +}; + -- 1.8.3.1