From patchwork Wed Jun 8 08:35:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tinghan Shen X-Patchwork-Id: 579999 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 40933CCA47B for ; Wed, 8 Jun 2022 09:16:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234691AbiFHJQC (ORCPT ); Wed, 8 Jun 2022 05:16:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36906 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235093AbiFHJOa (ORCPT ); Wed, 8 Jun 2022 05:14:30 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8BE871D82F4; Wed, 8 Jun 2022 01:36:10 -0700 (PDT) X-UUID: b566a5b6eae447c9897858eace2fbdea-20220608 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5, REQID:0d5b83aa-2477-46cd-b412-e843e534e382, OB:0, LO B:20,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:95,FILE:0,RULE:Release_Ham,AC TION:release,TS:95 X-CID-INFO: VERSION:1.1.5, REQID:0d5b83aa-2477-46cd-b412-e843e534e382, OB:0, LOB: 20,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:95,FILE:0,RULE:Spam_GS981B3D,AC TION:quarantine,TS:95 X-CID-META: VersionHash:2a19b09, CLOUDID:ac2415e5-2ba2-4dc1-b6c5-11feb6c769e0, C OID:ab9fe7398c47,Recheck:0,SF:28|17|19|48,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,QS:0,BEC:nil X-UUID: b566a5b6eae447c9897858eace2fbdea-20220608 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 788356503; Wed, 08 Jun 2022 16:36:03 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.186) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Wed, 8 Jun 2022 16:36:02 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Wed, 8 Jun 2022 16:36:02 +0800 From: Tinghan Shen To: Bjorn Andersson , Mathieu Poirier , Rob Herring , "Krzysztof Kozlowski" , Matthias Brugger , Lee Jones , Benson Leung , "Guenter Roeck" , Sebastian Reichel , Daisuke Nojiri , Kees Cook , Tinghan Shen , "Gustavo A. R. Silva" , Prashant Malani , Enric Balletbo i Serra CC: , , , , , , , Subject: [PATCH v2 1/9] dt-binding: remoteproc: mediatek: Support dual-core SCP Date: Wed, 8 Jun 2022 16:35:45 +0800 Message-ID: <20220608083553.8697-2-tinghan.shen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220608083553.8697-1-tinghan.shen@mediatek.com> References: <20220608083553.8697-1-tinghan.shen@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The MT8195 SCP co-processor is a dual-core RISC-V MCU. Add a new property to reference the sibling core and to assign core id to SCP nodes. Also add a new compatile for the driver of SCP 2nd core. Signed-off-by: Tinghan Shen Reviewed-by: Rob Herring --- .../devicetree/bindings/remoteproc/mtk,scp.yaml | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml index eec3b9c4c713..4576ff9b1f2d 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 +58,17 @@ properties: memory-region: maxItems: 1 + mediatek,scp-core: + $ref: "/schemas/types.yaml#/definitions/phandle-array" + description: + Reference to the sibling SCP core. This is required to + enable support for dual-core SCP. + items: + - items: + - description: Phandle of sibling SCP node. + - description: Core id of this SCP node + enum: [0, 1] + required: - compatible - reg @@ -115,6 +127,7 @@ examples: reg-names = "sram", "cfg", "l1tcm"; clocks = <&infracfg CLK_INFRA_SCPSYS>; clock-names = "main"; + mediatek,scp-core = <&scp_dual 0>; cros_ec { mediatek,rpmsg-name = "cros-ec-rpmsg";