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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,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 D165EC282DA for ; Tue, 9 Apr 2019 18:37:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9F7CC2133D for ; Tue, 9 Apr 2019 18:37:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726750AbfDIShM (ORCPT ); Tue, 9 Apr 2019 14:37:12 -0400 Received: from mga12.intel.com ([192.55.52.136]:40624 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726412AbfDIShM (ORCPT ); Tue, 9 Apr 2019 14:37:12 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Apr 2019 11:37:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,330,1549958400"; d="scan'208";a="141403355" Received: from marshy.an.intel.com ([10.122.105.159]) by fmsmga007.fm.intel.com with ESMTP; 09 Apr 2019 11:37:11 -0700 From: richard.gong@linux.intel.com To: gregkh@linuxfoundation.org, robh+dt@kernel.org, mark.rutland@arm.com, dinguyen@kernel.org, atull@kernel.org Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, richard.gong@linux.intel.com, Richard Gong Subject: [PATCHv1 2/6] dt-bindings, firmware: add Intel Stratix10 remote system update binding Date: Tue, 9 Apr 2019 13:45:58 -0500 Message-Id: <1554835562-25056-3-git-send-email-richard.gong@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1554835562-25056-1-git-send-email-richard.gong@linux.intel.com> References: <1554835562-25056-1-git-send-email-richard.gong@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Richard Gong Add a device tree binding for the Intel Stratix10 remote system update (RSU) driver Signed-off-by: Richard Gong Reviewed-by: Alan Tull --- .../bindings/firmware/intel,stratix10-rsu.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/firmware/intel,stratix10-rsu.txt diff --git a/Documentation/devicetree/bindings/firmware/intel,stratix10-rsu.txt b/Documentation/devicetree/bindings/firmware/intel,stratix10-rsu.txt new file mode 100644 index 0000000..b6250eb --- /dev/null +++ b/Documentation/devicetree/bindings/firmware/intel,stratix10-rsu.txt @@ -0,0 +1,31 @@ +Intel Remote System Update Driver for Stratix10 SoC +============================================ +The Intel Remote System Update (RSU) driver exposes interfaces +accessed through the Intel Service Layer to user space via sysfs +interface. The RSU interfaces report and control some of the optional +RSU features on Intel Stratix 10 SoC. + +The RSU feature provides a way for customers to update the boot +configuration of a Intel Stratix 10 SoC device with significantly reduced +risk of corrupting the bitstream storage and bricking the system. + +Required properties: +------------------- +The rsu node has the following mandatory properties, must be located under +the firmware/svc node. + +- compatible: "intel,stratix10-rsu" + +Example: +------- + firmware { + svc { + compatible = "intel,stratix10-svc"; + method = "smc"; + memory-region = <&service_reserved>; + + rsu: rsu { + compatible = "intel,stratix10-rsu"; + }; + }; + }; -- 2.7.4