From patchwork Fri Nov 17 21:18:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Elliot Berman X-Patchwork-Id: 166400 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:9910:0:b0:403:3b70:6f57 with SMTP id i16csp824097vqn; Fri, 17 Nov 2023 13:30:49 -0800 (PST) X-Google-Smtp-Source: AGHT+IFOG0C9CAaRjO+Q0DkWIWSTn24KWYwuKc5MfOIs+TWKM6e6o2sUMpAU8rPm5kQbkQbd153M X-Received: by 2002:a17:90b:180e:b0:280:3772:5c2e with SMTP id lw14-20020a17090b180e00b0028037725c2emr853194pjb.25.1700256649055; Fri, 17 Nov 2023 13:30:49 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1700256649; cv=none; d=google.com; s=arc-20160816; b=osss3B9EGMXxRNBx6AZ+HBUCxD8+oS1U46kkt2oMr640NJu96FTIETr2TjqQ+5I/Wd EqY6Z309GZFqvpzmKCNp66kYHVc10RTJdwDyDrM0tShXAZt7MLqcm9CUGrR9bKsBezJq y+v6i4giusE/VJhrN1VirBdRNEATAhoQDw5qA/iZfy27cHmcAyYkBj8hVY9E1PUe8sxT myQhkBqamxIEWSJijyEtQYIyGIcmzc+VLDHYuRuRjIrkpdhGiTW7q1w+NzqirGPmFOft vg/ZBfNq9ydVRf/5bHS0ox28s4FkNo4kgy+IwRkj0wh7R3velveeZD/J379XNede2Qkd 9/8g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:from :dkim-signature; bh=tc20QRO9Gcn9uIHfjtN4iUhRWAYiLSQYX4+FapLjlcA=; fh=hSqztiRBLPxJl4bBUOWDgSdeKGW5GNzk3N7GGirJHIY=; b=AVDB3JAjWmK/seqFWxaGMb/it7jFgXahcU/jILhMq060Q/tQ/6ff27sInHDWUrjyXZ t1PEgKEI1Y/vSM/LSKlw0tZoS+fi7OB6VLN0CSL/rtWfU79jllI+GaQOddZNKrqeopH1 qwkzUHe8fcJzkNK7ZN20sv37qEFC6jmPuSKfsLYncJvalfUqsqMIyXIce6TaPAEsJrf0 qS3fEXkT8lguO9dthVQfHKQphyXrDTF+FS/V2DUdQqrZPPRPK64BON1cxVz4yWIrubb6 Z1S1EajRn0DSP2chmwMIlp1jgzBIJpwDC2HuUXO0b11U5U2kA9DhhORrb/c1HSQ+5W7A VUMQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcppdkim1 header.b="gFVSFG/Z"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com Received: from agentk.vger.email (agentk.vger.email. [23.128.96.32]) by mx.google.com with ESMTPS id r5-20020a17090aa08500b002747da1ef66si2585809pjp.53.2023.11.17.13.30.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Nov 2023 13:30:49 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) client-ip=23.128.96.32; Authentication-Results: mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcppdkim1 header.b="gFVSFG/Z"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id 765B781D2B7C; Fri, 17 Nov 2023 13:30:33 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346314AbjKQV2Q (ORCPT + 29 others); Fri, 17 Nov 2023 16:28:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42950 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346313AbjKQV1v (ORCPT ); Fri, 17 Nov 2023 16:27:51 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B885E421A; Fri, 17 Nov 2023 13:19:24 -0800 (PST) Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3AHK5cFd020069; Fri, 17 Nov 2023 21:19:10 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : date : subject : mime-version : content-type : content-transfer-encoding : message-id : references : in-reply-to : to : cc; s=qcppdkim1; bh=tc20QRO9Gcn9uIHfjtN4iUhRWAYiLSQYX4+FapLjlcA=; b=gFVSFG/ZI53/NvyfcJsZNFY2l6XVMo0exavhGEasXOFmvXaMzA44P/TYDvh9oxxBq/Ns AmH9JvO7dAyoC8YwkTsMiqtXDiNcffgWQFzRBBNWMpO8O1FL+P29VMG+6OEarOn047Bs rRH/RFNhEyVfZy6oC2l4cN5X56NIkQFMF6AEVhTJpVzrJpRgXv9OW6yU3vG6cYG+72is C1Hn51gen4xD4MSGIkxUvyC+cXIwVxTrNGaOeDCL1U+WHTdtPniQRs3kiZznjGI7zDDK ZUOnUdoayi4GcBpin0PWaRBsWHnv24Cu83uSSU6ZMWa+mTzKhwnBqEa6l4awVWfAZGTf 8g== Received: from nasanppmta05.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3ue6vas86m-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 17 Nov 2023 21:19:10 +0000 Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3AHLJ8dw020571 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 17 Nov 2023 21:19:08 GMT Received: from hu-eberman-lv.qualcomm.com (10.49.16.6) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Fri, 17 Nov 2023 13:19:08 -0800 From: Elliot Berman Date: Fri, 17 Nov 2023 13:18:47 -0800 Subject: [PATCH 2/3] dt-bindings: arm: Document reboot mode magic MIME-Version: 1.0 Message-ID: <20231117-arm-psci-system_reset2-vendor-reboots-v1-2-03c4612153e2@quicinc.com> References: <20231117-arm-psci-system_reset2-vendor-reboots-v1-0-03c4612153e2@quicinc.com> In-Reply-To: <20231117-arm-psci-system_reset2-vendor-reboots-v1-0-03c4612153e2@quicinc.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lorenzo Pieralisi , Mark Rutland CC: Satya Durga Srinivasu Prabhala , Melody Olvera , , , , Florian Fainelli , Elliot Berman X-Mailer: b4 0.13-dev X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01a.na.qualcomm.com (10.47.209.196) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: RJZNh-jv7ZNP5iyjIUm9V39tkPYYDi-4 X-Proofpoint-ORIG-GUID: RJZNh-jv7ZNP5iyjIUm9V39tkPYYDi-4 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-17_21,2023-11-17_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxscore=0 spamscore=0 lowpriorityscore=0 clxscore=1015 bulkscore=0 malwarescore=0 phishscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311170159 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Fri, 17 Nov 2023 13:30:33 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782848315862883472 X-GMAIL-MSGID: 1782848315862883472 Add bindings to describe vendor-specific reboot modes. Values here correspond to valid parameters to vendor-specific reset types in PSCI SYSTEM_RESET2 call. Signed-off-by: Elliot Berman --- Documentation/devicetree/bindings/arm/psci.yaml | 36 +++++++++++++++++++++++-- 1 file changed, 34 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/psci.yaml b/Documentation/devicetree/bindings/arm/psci.yaml index 0c5381e081bd..ac95c1610287 100644 --- a/Documentation/devicetree/bindings/arm/psci.yaml +++ b/Documentation/devicetree/bindings/arm/psci.yaml @@ -136,8 +136,29 @@ allOf: required: - cpu_off - cpu_on - -additionalProperties: false + - if: + properties: + compatible: + contains: + const: arm,psci-1.0 + then: + $ref: /schemas/power/reset/reboot-mode.yaml# + properties: + # "mode-normal" is just SYSTEM_RESET + mode-normal: false + patternProperties: + "^mode-.*$": + maxItems: 2 + description: | + Describes a vendor-specific reset type. The string after "mode-" + maps a reboot mode to the parameters in the PSCI SYSTEM_RESET2 call. + + Parameters are named mode-xxx = , where xxx + is the name of the magic reboot mode, type is the lower 31 bits + of the reset_type, and, optionally, the cookie value. If the cookie + is not provided, it is defaulted to zero. + +unevaluatedProperties: false examples: - |+ @@ -260,4 +281,15 @@ examples: domain-idle-states = <&CLUSTER_RET>, <&CLUSTER_PWRDN>; }; }; + + - |+ + + // Case 5: SYSTEM_RESET2 vendor resets + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + + mode-edl = <0>; + mode-bootloader = <1 2>; + }; ...