From patchwork Mon Oct 30 21:31:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Elliot Berman X-Patchwork-Id: 739358 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9522D1CA95 for ; Mon, 30 Oct 2023 21:32:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="S1mqshgY" Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C7F911A; Mon, 30 Oct 2023 14:32:12 -0700 (PDT) Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 39UKrCE5004694; Mon, 30 Oct 2023 21:31:56 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=XVmHylPLC71quZBcFwO83oe5ZnMrVX7JUjoNKkPYCNU=; b=S1mqshgYFz2C+r+D9yy9TooMsDjbI9iwBwdHQgnDmHTitZTQo5gfUmD+7ApEauDruPt9 zwynO6RMfebiYBdCoTs9ogvd11LweZPLslrVs8e0mAGHxYf/j0cwC04Nam8RqFTr2F4s DbCMd+e6+jmqoMOKvhUde0XO7AYEooSC7Y/9Xq8q1vwZdXIXKqgJPExR+EWfWZoMkDgl WYLcOsXR+PtORCG893OnCRgLYXmGt1abJLZ/9BSrqLkUhHpWpY5yyYKOKGYR/kZFERli RMzTSmS7osd9ohNNZYVO34PkfvegJ99H2o+V4FSatn8B22O8RFygna2CY5/gygdXV8C7 KQ== Received: from nasanppmta04.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3u2c4rs9ef-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 30 Oct 2023 21:31:56 +0000 Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 39ULVtdd021818 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 30 Oct 2023 21:31:55 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 15.2.1118.39; Mon, 30 Oct 2023 14:31:55 -0700 From: Elliot Berman Date: Mon, 30 Oct 2023 14:31:33 -0700 Subject: [PATCH RFC 1/2] dt-bindings: arm: Document reboot mode magic Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20231030-arm-psci-system_reset2-vendor-reboots-v1-1-dcdd63352ad1@quicinc.com> References: <20231030-arm-psci-system_reset2-vendor-reboots-v1-0-dcdd63352ad1@quicinc.com> In-Reply-To: <20231030-arm-psci-system_reset2-vendor-reboots-v1-0-dcdd63352ad1@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: nalasex01b.na.qualcomm.com (10.47.209.197) 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-ORIG-GUID: TC6wt5PFYEhWzV6GB5g3yj8in9UvKaWc X-Proofpoint-GUID: TC6wt5PFYEhWzV6GB5g3yj8in9UvKaWc 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=2023-10-30_13,2023-10-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 bulkscore=0 phishscore=0 adultscore=0 spamscore=0 priorityscore=1501 mlxlogscore=952 malwarescore=0 mlxscore=0 suspectscore=0 impostorscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2310240000 definitions=main-2310300168 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 | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/psci.yaml b/Documentation/devicetree/bindings/arm/psci.yaml index 0c5381e081bd..dc23e901bd0a 100644 --- a/Documentation/devicetree/bindings/arm/psci.yaml +++ b/Documentation/devicetree/bindings/arm/psci.yaml @@ -122,6 +122,19 @@ patternProperties: [3] Documentation/devicetree/bindings/power/power-domain.yaml [4] Documentation/devicetree/bindings/power/domain-idle-state.yaml + "^reboot-mode-.*$": + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 2 + description: | + Describes a vendor-specific reset type. The string after "reboot-mode-" + maps a reboot mode to the parameters in the PSCI SYSTEM_RESET2 call. + + Parameters are named reboot-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. + required: - compatible - method