From patchwork Mon Feb 24 20:57:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Elliot Berman X-Patchwork-Id: 190239 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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 3C941C38BE0 for ; Mon, 24 Feb 2020 20:57:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 11C722176D for ; Mon, 24 Feb 2020 20:57:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="l0ih2T9z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727699AbgBXU5v (ORCPT ); Mon, 24 Feb 2020 15:57:51 -0500 Received: from mail27.static.mailgun.info ([104.130.122.27]:64019 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726722AbgBXU5u (ORCPT ); Mon, 24 Feb 2020 15:57:50 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1582577870; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=jpQmCzTy7WRDO9KgfaNO7qY4qtW8D61+hiCBxB0dvDo=; b=l0ih2T9zD7w9mnzLf2q0jYaUtB4rJDCXMQQjTj3ijSAAapyoNdetg8lPwTMtt6p3QP/GOaco B5vsXBqNKHniyRFi5fm66MQCRZek6GP1h8uXZRP008R85Et7CScInE6vZH83FS9VXjUQ7GK5 +4ASrLh1szSZQVbqaF4Eb6kNAQU= X-Mailgun-Sending-Ip: 104.130.122.27 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 5e5438cb.7f98303fd1f0-smtp-out-n01; Mon, 24 Feb 2020 20:57:47 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id C8F32C447A4; Mon, 24 Feb 2020 20:57:47 +0000 (UTC) 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 C752BC433A2; Mon, 24 Feb 2020 20:57:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org C752BC433A2 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@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/3] dt: psci: Add arm,psci-sys-reset2-type property Date: Mon, 24 Feb 2020 12:57:36 -0800 Message-Id: <1582577858-12410-2-git-send-email-eberman@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582577858-12410-1-git-send-email-eberman@codeaurora.org> References: <1582577858-12410-1-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 Reviewed-by: Sudeep Holla --- 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..469256a2 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-param: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + reset_param 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].