From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 85071C55182 for ; Mon, 3 Aug 2026 14:21:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=PdObhLmEiO4/ihNrGJ7V+rN3FSXGswWQoclVhlDfKmQ=; b=Zs/SV/KcNfAnhyQ7o6Nuob/oRe LjJefOIwcO99oAQpRk43UvuTjIVN7ErTzCqwXH6NszAmQg+q6iyMPNi2REvKtgpwxM1h//v4I46Yg lGoq7P9lKmju6oyomZkqwCxFFnL2MLZELmHAp+yx1a547OCxSSmicebCEQj8IniynDmoTkj0uZ0kq Zx/MnGc2whF21jNPAIYdJZLxqKhFhkCYpe40ETjcBAA+MUzJoSurKlW8b0PQDLvV6c1phzPpsTcSS giVvKB7ESN2YbKXZ+qtzn7FVQKCrWQ6Aq5LdJyfvRYRrsUry3x4bq3k8K3TdGU1D7CWH6la5WNn8u XYd33cig==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wqtXu-0000000HNae-0nUr; Mon, 03 Aug 2026 14:21:38 +0000 Received: from mx0b-0031df01.pphosted.com ([205.220.180.131]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wqtXr-0000000HNa9-2Qy2 for linux-arm-kernel@lists.infradead.org; Mon, 03 Aug 2026 14:21:36 +0000 Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 673ECE3u1150177 for ; Mon, 3 Aug 2026 14:21:34 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= PdObhLmEiO4/ihNrGJ7V+rN3FSXGswWQoclVhlDfKmQ=; b=ldsu9lv+B9cFgVQm CGZAe5mke5nONmvdusNdpnNtCCICcx+WU7F9n8DBFt4tT0lCDVrUhHsyTCAjVHD5 GbDiALptzCutqbkSc1si8C89mrD7pdirGp3pmOd3INW3Ra6cSEgYbCVc0UjvRS78 vBXnRwTG7P37/G1di34v1C3sHQS+VLz+3G8EIb0WMBo49pFaMjbDgc8H9Ji6nD96 wpNvH/bPVkc86E5K8V21E+YzzxcTfpAo4NXuJL6ODj22eV6388cjHDbdCufCj2gq UY9SI4RjoH38k+VqZ5mZWz05nIMiM9ucbrph+10lhljx6QNK9XnJlO26dDn0KWP6 Fn9ffQ== Received: from mail-pg1-f199.google.com (mail-pg1-f199.google.com [209.85.215.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4ftnrb9xy2-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 03 Aug 2026 14:21:34 +0000 (GMT) Received: by mail-pg1-f199.google.com with SMTP id 41be03b00d2f7-c88cfe287e1so2384227a12.1 for ; Mon, 03 Aug 2026 07:21:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1785766892; x=1786371692; darn=lists.infradead.org; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=PdObhLmEiO4/ihNrGJ7V+rN3FSXGswWQoclVhlDfKmQ=; b=DNHk5k0vwHcBA3MNaEerXPZ9yeL/9reX0hOOsKVbO/fjEBBBAhPTMitgZc6JT/FCRk Aehn8mJHCxC9JFIjGeReZe867ASgZpN+FCUi+N+e1dIGu7ZIKaa5FtZq1dg9QpTpS+HS g7AgOdKXAGtwsQsqfou2P0pkBQ5VajZRDN3aeoqu7kyBdIR3uabUSDjISTvA5ltXl+JB 0OQRdh4Euh1X1W89y7m6vzlbQFkwmGMtngXdGfb4G85U5uH1DH7oRaM/rcefSLai04eD purRcjDM9KGh8mnKoZOt64GzG7qKDIxrqcXPO+Evc5Mu9vO5QcZqDo8UkSa08VUnWt5D pA4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1785766892; x=1786371692; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=PdObhLmEiO4/ihNrGJ7V+rN3FSXGswWQoclVhlDfKmQ=; b=h/hes9IEMN3dCWFEMajjtWBddFiGcDk3SabDgmcUNiMugay5auzzp3h56eu2lNKJRF y9WaunCdbaeI/frbuLmumBIp19OIwxJ1K0wDvdbkiFknT3PViOgio8SCBXkPd7CYnNV1 NyQftmBZ/JsPWpjBRFIZHuBbwzHrhYPTMDkjMzFsjCQgTeVKoLnQMFXql00LiklA7fys hMDcTep0kTJJT3H5YCfuCzpByik1MA7YjYSNy41Fz9KOXI09rKDQ0G+vCB0BolhoszkT 3//vn3CLlH4PFtQ4xqhJpqNzMqlgWhSEByE+kFQ1vAk+Sj6E/uxK8d3TMbuPvX+4zAOg wHiQ== X-Forwarded-Encrypted: i=1; AHgh+Rrc/eRPiPkeecsUCERyNp2ZXjt3/9thZTkEOTsEJPf3UrxRjwj9u5u4CL3xxmdmBwG9M4O4c050spqOCZVXuKI/@lists.infradead.org X-Gm-Message-State: AOJu0YxAugwcfKpPxZBvlGHchmIocq1PWFwW7GVgll85rQJteLS+EP9s KIWgSghY4DDV/VaipgAuAuLuSK98whzfGP+AUfxigV1r4Xkaq92Fe6whn//vZwdz+zaE2xJ5Ved yNWvb/Os5A1wSQcEoyLcIWHoba1FaY7iuCY0gE0KjWZwXEHSb3+q3m9p2F7ONK+0AdKjwoS8qbm 4bmA== X-Gm-Gg: AR+sD13ms8TY/9M2ZJiCMg/5DQS6jriH7yo9qDKA9tInC6r9xltF4DVjyzVTWO5SVGa Grki1f5Bd7QJ8lPLDmYIzUQJo0ouCy4M1RrcVsp24VbcEFVM2NlsZiWz5+eGXSrsrLYY9SVRgEK VvvIqQ26GsnCFbria2FkQhtWuEMI5CPULnQ/N6B2QyZkNugZ3fADNmEo+7xfWga8x4EtAhOVtxx cGPL0VBf+i5LUszDLH2jLijm8wsQ5faI34IzhwomYFDKe8I/8UGH5YZpDFWlNIFTvXLUixrqr8o 1cu1yOV4dOAfkmrGBTl7pHQyZSGdNWMfxuJ5MgcI7Ojh8xMUN5zZdqHme/kWWtzVtI2FC1ukhWs 9l35uUITmIhtaPGPmd2WGlU3EQ+KK9wzBYQ== X-Received: by 2002:a05:6a21:468a:b0:3c4:1c9f:d91 with SMTP id adf61e73a8af0-3c92aa7d0cdmr11448446637.59.1785766891409; Mon, 03 Aug 2026 07:21:31 -0700 (PDT) X-Received: by 2002:a05:6a21:468a:b0:3c4:1c9f:d91 with SMTP id adf61e73a8af0-3c92aa7d0cdmr11448370637.59.1785766890901; Mon, 03 Aug 2026 07:21:30 -0700 (PDT) Received: from [10.218.44.82] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3153e04491dsm51441432eec.16.2026.08.03.07.21.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 03 Aug 2026 07:21:30 -0700 (PDT) Message-ID: <069a7ef3-7c01-4366-8643-11d791bd0d96@oss.qualcomm.com> Date: Mon, 3 Aug 2026 19:51:17 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v24 05/12] dt-bindings: arm: Document reboot mode magic To: Rob Herring Cc: Lorenzo Pieralisi , Arnd Bergmann , Bjorn Andersson , Sebastian Reichel , Souvik Chakravarty , Krzysztof Kozlowski , Andy Yan , Matthias Brugger , Mark Rutland , Conor Dooley , Konrad Dybcio , John Stultz , Moritz Fischer , "Rafael J. Wysocki" , Daniel Lezcano , Christian Loehle , Lee Jones , Ulf Hansson , Pavan Kondeti , Bartosz Golaszewski , Sudeep Holla , Florian Fainelli , Krzysztof Kozlowski , Dmitry Baryshkov , Mukesh Ojha , Andre Draszik , Greg Kroah-Hartman , Kathiravan Thirumoorthy , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, mfd@lists.linux.dev, Srinivas Kandagatla References: <20260803-arm-psci-system_reset2-vendor-reboots-v24-0-889281373870@oss.qualcomm.com> <20260803-arm-psci-system_reset2-vendor-reboots-v24-5-889281373870@oss.qualcomm.com> <20260803140222.GA3188037-robh@kernel.org> Content-Language: en-US From: Shivendra Pratap In-Reply-To: <20260803140222.GA3188037-robh@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwODAzMDEyOSBTYWx0ZWRfXwCbMuQSUT5mK BYcHdlUZikH7cmWvGkZD/CY7/+3U0OzmeutVIeUOjkUs8AePKUlG6nTdclK67XJ0mmkP9MDXEI+ AR5E5wA0nkmKytZPKQJe+4jmLPqDz1Q= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODAzMDEyOSBTYWx0ZWRfX0K4A7Pr1kVmN MFldenQa5LHifwjd4TAmDBUPS0i21jDxwRYchJIYhZTsOz1iz4Imt2EZyZyevl058PdS4qLfoB7 aeAx1ZZDhNdtCSTVbXbVS/6oxOA6wSeF3vSTBw0TNBu8t5Y4UNzor+m8x3Nhrays8Ng/rV71uQl AnMhxJqCLxOqVtx8cv2vZRB5mgdbvNiof45rV/cL1YwJDgolsC+fO0m20wMR9QYIGc8cJXfxzR7 g2lmkUFKQD332vHflo0XuRb4bpDkEM3JwTIrJqrQbuZbnwyDbgYMuyeClJDz2byVUQWcn5QhcJb O8cBJmMjMf8aiFI5fecGINeHgO4QJ8kz4Oe7SNKiN5NWuyuRgD36wwXGiTAtlIeCm9tR2oOdEBc e/AEAb/HzS/bLb6CcV4S+wOa894qBkpQtBGDibG5cCn52x01xSmaYh1ki1gzKBS8y8FMk+Fv07X 1xEk3YBi0+KcqCzvYQw== X-Authority-Analysis: v=2.4 cv=RNSD2Yi+ c=1 sm=1 tr=0 ts=6a70a3ee cx=c_pps a=Oh5Dbbf/trHjhBongsHeRQ==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=O-cBmbsoh36Jwjk5jm4A:9 a=QEXdDO2ut3YA:10 a=_Vgx9l1VpLgwpw_dHYaR:22 X-Proofpoint-GUID: VSJqUhPFLf6YRfSLYIuEObaBSxgx1WT1 X-Proofpoint-ORIG-GUID: VSJqUhPFLf6YRfSLYIuEObaBSxgx1WT1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-03_03,2026-08-03_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 clxscore=1015 adultscore=0 lowpriorityscore=0 malwarescore=0 phishscore=0 impostorscore=0 priorityscore=1501 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608030129 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260803_072135_745145_AB72C8FA X-CRM114-Status: GOOD ( 22.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 8/3/2026 7:32 PM, Rob Herring wrote: > On Mon, Aug 03, 2026 at 03:13:36PM +0530, Shivendra Pratap wrote: >> 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: Shivendra Pratap >> --- >> Documentation/devicetree/bindings/arm/psci.yaml | 58 +++++++++++++++++++++++++ >> 1 file changed, 58 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/arm/psci.yaml b/Documentation/devicetree/bindings/arm/psci.yaml >> index 6e2e0c551841..7d6a86690a2e 100644 >> --- a/Documentation/devicetree/bindings/arm/psci.yaml >> +++ b/Documentation/devicetree/bindings/arm/psci.yaml >> @@ -98,6 +98,41 @@ properties: >> [1] Kernel documentation - ARM idle states bindings >> Documentation/devicetree/bindings/cpu/idle-states.yaml >> >> + reboot-mode: >> + type: object >> + $ref: /schemas/power/reset/reboot-mode.yaml# >> + unevaluatedProperties: false >> + properties: >> + # "mode-normal" is just SYSTEM_RESET >> + mode-normal: false >> + patternProperties: >> + "^mode-.*$": >> + minItems: 1 >> + maxItems: 3 >> + items: >> + - description: arg1 (vendor-specific SYSTEM_RESET2 reset_type) >> + allOf: > > Don't need allOf here. Ack. > >> + - $ref: /schemas/types.yaml#/definitions/uint32 >> + - minimum: 0x80000000 >> + - description: arg2 (cookie_lo in 2-cell form, cookie_hi in 3-cell form) >> + $ref: /schemas/types.yaml#/definitions/uint32 >> + - description: arg3 (cookie_lo in 3-cell form) >> + $ref: /schemas/types.yaml#/definitions/uint32 >> + description: | >> + Describes a PSCI SYSTEM_RESET2 vendor-specific reset type. The string >> + after "mode-" maps a reboot mode to a vendor-specific reset. > > Blank line if this is a paragraph. Ack. > >> + A vendor-specific reset takes two arguments, a 32-bit reset_type and a >> + 64-bit cookie. The arguments are encoded as up to three 32-bit cells. >> + Each mode property is encoded as mode-xxx = , >> + where: > > blank line Ack. > >> + - arg1 is reset_type and must be >= 0x80000000. >> + - In 2-cell form, arg2 is lower 32 bits of cookie. >> + - In 3-cell form, arg2 is high 32 bits of cookie >> + and arg3 is low 32 bits of cookie. > > Indent the list by 2 more spaces. Ack. > >> + >> + All values should be provided as per the PSCI SYSTEM_RESET2 >> + specification. >> + >> patternProperties: >> "^power-domain-": >> $ref: /schemas/power/power-domain.yaml# >> @@ -137,6 +172,15 @@ allOf: >> required: >> - cpu_off >> - cpu_on >> + - if: >> + not: >> + properties: >> + compatible: >> + contains: >> + const: arm,psci-1.0 > > SYSTEM_RESET2 was introduced in PSCI 1.1... thanks. will update. thanks, Shivendra