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 21675C433EF for ; Fri, 22 Apr 2022 19:03:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id: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=kehb1v+WEg+3W/jKmZTFl+jvJLqHF7to7lUNtxIUYrQ=; b=G9a4AoD48hmw/e GEsRCREmMgpWPlblbO8OaxxPve6hi53di2B5eDWjh/qwNnRHQ4qoNSJsXu4G+Kr+185IW6+vToDvM 6xmAjesnlPGvNtzoQq3wBdhf7aHybVgHQF2OquymFhQltUck4cmkMGIfKuYxAVI/MP3LfOoZFgbSC I15IZRDu5b8dZhK/QJuQCa+kjYhozun4I4JO6jB+hhukcm3Tej6UB4EBuvDu9MRLbjHJK0VDVs88/ /07A+bDBbYe2ro5XFDvep/dN1nkKM2XZvPcPflCu250P3WyGIYPYzavZ49pdMGXy2kjv9sO/+cUaw 3/1ICdBXRyLHYL0OWePw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nhyYH-0024SY-Bp; Fri, 22 Apr 2022 19:02:45 +0000 Received: from lelv0143.ext.ti.com ([198.47.23.248]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nhyY4-0024Oe-Mh for linux-arm-kernel@lists.infradead.org; Fri, 22 Apr 2022 19:02:34 +0000 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 23MJ2KjN024036; Fri, 22 Apr 2022 14:02:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1650654140; bh=NCM8mzjQH8QiT4AT02wOLT4awLcH+bAUoX5oBTbp0nU=; h=Date:Subject:To:CC:References:From:In-Reply-To; b=u46vFj9mgkxJ4kojRRWfpdLSGkE5WzS0UpENurVyP13TL1Prbq1ehfXLKC2JsrgZI CN8yGCDZMsDo9Q5MDoiT+CccPcK/wfsOeq5y/C9H3J7PIGxWROzdRA+vF8ZU9RgfxS ehcheVKVEuuRwfQ5Ifz1in/sGX8rYTtR/BNAUUdQ= Received: from DFLE105.ent.ti.com (dfle105.ent.ti.com [10.64.6.26]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 23MJ2Kit005174 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 22 Apr 2022 14:02:20 -0500 Received: from DFLE112.ent.ti.com (10.64.6.33) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Fri, 22 Apr 2022 14:02:20 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14 via Frontend Transport; Fri, 22 Apr 2022 14:02:20 -0500 Received: from [10.249.34.110] (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 23MJ2Jlc051088; Fri, 22 Apr 2022 14:02:19 -0500 Message-ID: Date: Fri, 22 Apr 2022 14:02:19 -0500 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH 1/6] dt-bindings: ti,sci: Add ti,ctx-memory-region property Content-Language: en-US To: Dave Gerlach , Rob Herring , Santosh Shilimkar , Krzysztof Kozlowski , Tero Kristo , Nishanth Menon CC: , , , Vignesh Raghavendra References: <20220421203659.27853-1-d-gerlach@ti.com> <20220421203659.27853-2-d-gerlach@ti.com> From: Andrew Davis In-Reply-To: <20220421203659.27853-2-d-gerlach@ti.com> X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220422_120232_876163_48F2D377 X-CRM114-Status: GOOD ( 18.61 ) 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: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 4/21/22 3:36 PM, Dave Gerlach wrote: > Add documentation for the ti,ctx-memory-region property which is a > phandle to a reserved-memory carveout to be used by the ti_sci driver > storage of low power mode memory context. This is optional for normal > system operation but required to enabled suspend-to-mem usage of Deep > Sleep state. > > Signed-off-by: Dave Gerlach > --- > .../devicetree/bindings/arm/keystone/ti,sci.yaml | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml > index 34f5f877d444..ec88aa88a2a0 100644 > --- a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml > +++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml > @@ -61,6 +61,15 @@ properties: > mboxes: > minItems: 2 > > + ti,ctx-memory-region: > + description: > + Phandle to the reserved memory node to be associated with the > + ti-sci device, to be used for saving low power context. The > + reserved memory node should be a carveout node, and should > + be defined as per the bindings in > + Documentation/devicetree/bindings/reserved-memory/reserved-memory.yaml > + $ref: /schemas/types.yaml#/definitions/string > + Why does this have to be yet another reserved carveout region, should be dynamically allocated. Andrew > ti,system-reboot-controller: > description: Determines If system reboot can be triggered by SoC reboot > type: boolean _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel