From patchwork Wed Jun 1 11:21:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tinghan Shen X-Patchwork-Id: 12866818 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 DA3E4C433FE for ; Wed, 1 Jun 2022 11:33:46 +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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=H49XyCxTb3cy80liz+/JeuMVWv0a0bCXCzWCYOdKkNk=; b=NTUqHI3WZFZNbQ RvdvT8ZrrG3+u1c8ha/uxt/RtCQwMwV3miepNRhRo7oqikzQMSVR18gjJusPYGcoZQpp0wNqtKkk5 8bON26shKZksHc4Xc9L+zQg0oq3C7a/oG4oa5GlYepSAXDW+q8FMJNAymn0p+o3tukNTShZ4roHgz wriED2q/fCIy4ckmArRBgycHkGw98xfnNuId7feguoC9Ak4pYjnoCzBZBOhrkLuAblQEpHzDbtMgh fKrD3ehEq0PBW3Kb6Es0S2nRZJcLln05tAmo0l/Eage4noNo6/0RMpz/nhjMR6jvzAkasmlSS/+7Z 2Yn4KT1JXzANwhHNoVqQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nwMaQ-00FdIE-1J; Wed, 01 Jun 2022 11:32:26 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nwMaC-00FdCS-4x; Wed, 01 Jun 2022 11:32:13 +0000 X-UUID: b403a2864c314edabd77c9caeb7e8e60-20220601 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5,REQID:66aff93a-99cf-4c33-beb0-dba8ed553999,OB:0,LO B:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-META: VersionHash:2a19b09,CLOUDID:99ac8f14-f88c-475e-badf-d9ee54230b8f,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil ,QS:0,BEC:nil X-UUID: b403a2864c314edabd77c9caeb7e8e60-20220601 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 155659035; Wed, 01 Jun 2022 04:32:08 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 1 Jun 2022 04:22:06 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Wed, 1 Jun 2022 19:22:04 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Wed, 1 Jun 2022 19:22:04 +0800 From: Tinghan Shen To: Bjorn Andersson , Mathieu Poirier , Rob Herring , "Krzysztof Kozlowski" , Matthias Brugger , Lee Jones , Benson Leung , Guenter Roeck , Daisuke Nojiri , Sebastian Reichel , "Dustin L. Howett" , Tzung-Bi Shih , Tinghan Shen , "Gustavo A. R. Silva" , Prashant Malani , "Enric Balletbo i Serra" , Brian Norris CC: , , , , , , , Subject: [PATCH v1 01/15] dt-binding: remoteproc: mediatek: Support dual-core SCP Date: Wed, 1 Jun 2022 19:21:47 +0800 Message-ID: <20220601112201.15510-2-tinghan.shen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220601112201.15510-1-tinghan.shen@mediatek.com> References: <20220601112201.15510-1-tinghan.shen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220601_043212_232859_AD4F2076 X-CRM114-Status: GOOD ( 12.16 ) 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 The SCP co-processor is a dual-core RISC-V MCU on MT8195. Add a new property to identify each core and helps to find drivers through device tree API to cooperate with each other, e.g. boot flow and watchdog timeout flow. Add a new compatile for the driver of SCP 2nd core. Signed-off-by: Tinghan Shen --- .../devicetree/bindings/remoteproc/mtk,scp.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml index eec3b9c4c713..b181786d9575 100644 --- a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml +++ b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml @@ -20,6 +20,7 @@ properties: - mediatek,mt8186-scp - mediatek,mt8192-scp - mediatek,mt8195-scp + - mediatek,mt8195-scp-dual reg: description: @@ -57,6 +58,16 @@ properties: memory-region: maxItems: 1 + mediatek,scp-core: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: + The property value is a list with 2 items, a core id and a phandle + to the sibling SCP node. The core id represents the id of the dts node contains + this property. The valid values of core id are 0 and 1 for dual-core SCP. + The phandle of sibling SCP node is used to find the register settings, + trigger core dependent callback, and invoke rproc API. + maxItems: 1 + required: - compatible - reg @@ -115,6 +126,7 @@ examples: reg-names = "sram", "cfg", "l1tcm"; clocks = <&infracfg CLK_INFRA_SCPSYS>; clock-names = "main"; + mediatek,scp-core = <0 &scp_dual>; cros_ec { mediatek,rpmsg-name = "cros-ec-rpmsg";