From patchwork Fri Jan 31 19:08:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Elliot Berman X-Patchwork-Id: 11360395 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3936D14D5 for ; Fri, 31 Jan 2020 19:09:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1626D214D8 for ; Fri, 31 Jan 2020 19:09:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="YcLqDJ4j" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726322AbgAaTJL (ORCPT ); Fri, 31 Jan 2020 14:09:11 -0500 Received: from mail25.static.mailgun.info ([104.130.122.25]:27122 "EHLO mail25.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725954AbgAaTJL (ORCPT ); Fri, 31 Jan 2020 14:09:11 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1580497750; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=bIJ07qh5lOtDS6LJCkZXbqG2dvWXiGWlxxUNOg7SvO8=; b=YcLqDJ4jKSvmRypmDd3f7g61C357SvaayCzQzdasPZocxy5YELYkkBbn6uGZAfATCwvKEgY5 HpaINAIJlN79aeDP6yacSlx8vcuNoBw4d3EO7vtHfYU3vzhOBPV+fYEUWit8IQc/X2a2TO3Y BahNdSWhJn8bWGccpnuZDc0ZRuQ= X-Mailgun-Sending-Ip: 104.130.122.25 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e347b51.7f52055ec228-smtp-out-n01; Fri, 31 Jan 2020 19:09:05 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 73563C447AE; Fri, 31 Jan 2020 19:09:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.0 Received: from eberman-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: eberman) by smtp.codeaurora.org (Postfix) with ESMTPSA id 88B13C447A3; Fri, 31 Jan 2020 19:09:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 88B13C447A3 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=eberman@codeaurora.org From: Elliot Berman To: Mark Rutland , Lorenzo Pieralisi , Sudeep Holla Cc: Elliot Berman , Bjorn Andersson , Trilok Soni , Prasad Sodagudi , David Collins , linux-arm-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC v2 1/3] dt: psci: Add arm,psci-sys-reset2-type property Date: Fri, 31 Jan 2020 11:08:49 -0800 Message-Id: <1580497731-9845-2-git-send-email-eberman@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1580497731-9845-1-git-send-email-eberman@codeaurora.org> References: <1580497731-9845-1-git-send-email-eberman@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Some implementors of PSCI may relax the requirements of the PSCI architectural warm reset. In order to comply with PSCI specification, a different reset_type value must be used. The alternate PSCI SYSTEM_RESET2 may be used in all warm/soft reboot scenarios, replacing the architectural warm reset. Signed-off-by: Elliot Berman --- Documentation/devicetree/bindings/arm/psci.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/psci.yaml b/Documentation/devicetree/bindings/arm/psci.yaml index 8ef8542..a790e5a 100644 --- a/Documentation/devicetree/bindings/arm/psci.yaml +++ b/Documentation/devicetree/bindings/arm/psci.yaml @@ -102,6 +102,11 @@ properties: [1] Kernel documentation - ARM idle states bindings Documentation/devicetree/bindings/arm/idle-states.txt + arm,psci-sys-reset2-type: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + reset_type parameter value to use during a warm or soft reboot. + "#power-domain-cells": description: The number of cells in a PM domain specifier as per binding in [3].