From patchwork Tue Aug 18 18:54:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Elliot Berman X-Patchwork-Id: 257006 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=-17.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING, SIGNED_OFF_BY, SPF_HELO_NONE, 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 6AF1FC433E3 for ; Tue, 18 Aug 2020 18:54:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4D22E22B43 for ; Tue, 18 Aug 2020 18:54:49 +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="mJsT7qNC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726783AbgHRSyr (ORCPT ); Tue, 18 Aug 2020 14:54:47 -0400 Received: from mail29.static.mailgun.info ([104.130.122.29]:48058 "EHLO mail29.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726734AbgHRSyq (ORCPT ); Tue, 18 Aug 2020 14:54:46 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1597776886; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=pURV5QFpmLy38X5gYC0uGHz0Zw0P/0cot7hAuBA4Ty0=; b=mJsT7qNCtulV1l7oDsEXq2T6ErrTtxkU4o/2j3yrUS6R+P2fBsSaMiznWVadGduquTiR7gIF MKFMfAyf77Q+QEUO3VEDweNgUiU6kg7gRCm+gtMg5d3YZzmHlJT0bZ+72OhGmPX7Exz8ScKQ fNqOLMpa8C1xl5Qm05V9ZdmMB9A= X-Mailgun-Sending-Ip: 104.130.122.29 X-Mailgun-Sid: WyI5ZDFmMiIsICJsaW51eC1wbUB2Z2VyLmtlcm5lbC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n09.prod.us-east-1.postgun.com with SMTP id 5f3c23e2cbcd42bdeed5335f (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Tue, 18 Aug 2020 18:54:26 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 4D16FC4339C; Tue, 18 Aug 2020 18:54:25 +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 51BA7C433C6; Tue, 18 Aug 2020 18:54:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 51BA7C433C6 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: Sebastian Reichel , Andy Yan , Bjorn Andersson , Andy Gross , Rob Herring Cc: Elliot Berman , linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Trilok Soni , Prasad Sodagudi Subject: [RESEND PATCH v1 2/4] dt-bindings: power: reset: Add alternate reboot mode format Date: Tue, 18 Aug 2020 11:54:14 -0700 Message-Id: <1597776856-12014-3-git-send-email-eberman@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1597776856-12014-1-git-send-email-eberman@codeaurora.org> References: <1597776856-12014-1-git-send-email-eberman@codeaurora.org> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Current reboot-mode device tree schema does not support reboot commands with spaces in them [1]. Add an optional new node "reboot-mode-names" and "reboot-mode-magic" which add an array of strings and u32s, respectively which would permit any string in this framework. [1]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/md/dm-verity-target.c?h=v5.5#n255 Signed-off-by: Elliot Berman --- .../devicetree/bindings/power/reset/reboot-mode.yaml | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/Documentation/devicetree/bindings/power/reset/reboot-mode.yaml b/Documentation/devicetree/bindings/power/reset/reboot-mode.yaml index a6c9102..4ea6b33 100644 --- a/Documentation/devicetree/bindings/power/reset/reboot-mode.yaml +++ b/Documentation/devicetree/bindings/power/reset/reboot-mode.yaml @@ -19,6 +19,9 @@ description: | the bootloader what to do when the system reboots, and should be named as mode-xxx = (xxx is mode name, magic should be a non-zero value). + reboot-mode-magic and reboot-mode-names may be used in addition/instead of + mode-xxx style. + For example, modes common Android platform are: - normal: Normal reboot mode, system reboot with command "reboot". - recovery: Android Recovery mode, it is a mode to format the device or update a new image. @@ -32,6 +35,14 @@ properties: description: | Default value to set on a reboot if no command was provided. + reboot-mode-names: + $ref: /schemas/types.yaml#/definitions/string-array + description: List of reboot commands, paired with reboot-mode-magic by index + + reboot-mode-magic: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: List of reboot magic, paired with reboot-mode-names by index + patternProperties: "^mode-.*$": $ref: /schemas/types.yaml#/definitions/uint32 @@ -44,4 +55,10 @@ examples: mode-bootloader = <2>; mode-loader = <3>; }; + + - | + reboot-mode { + reboot-mode-names = "normal", "bootloader", "dm-verity device corrupted"; + reboot-mode-magic = <0x0>, <0x1>, <0xf>; + }; ...