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: 12873066 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 AFE7DC433EF for ; Wed, 8 Jun 2022 09:02:36 +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=WYov+V32ROaDPJ0lqgigh1YSWfju+/EYVU7fI3aAtsk=; b=AwW4N84ZIfYVm8 aXff2vS3ZnLrIVzq77RRooJJoun9euYWhg+RbzOwsVibdCx0HjIqqNHGb/L+1ohHgmvj/j92MYT9x BGoteoG8mAjRyluaK/nKn2fFIqHehuIQx/kcAyFu6U/Spzn8pt2BTEvUdwiMyuJ/rVh9Co+RdgL6i WUAr8ibWeM/F69ORyfO9OJiOTW20WUoq1gQXvR5BpjsB3zQCsJQD8e8rtjNxE917WC3RfP0c/FcLv /DgrXgZd41XtfHcZmPAahguevWmC+ZNq9WzM5AnKHUBRfrBcmWwMS5+HRoVjtBqLmGc9fOG70v142 SJMylLGf6b6ux66Ga6SQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nyrZ5-00CBMO-Mp; Wed, 08 Jun 2022 09:01:23 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nyrKM-00C4bB-Kt; Wed, 08 Jun 2022 08:46:12 +0000 X-UUID: f88da9f89f684c45b0c3144ab44dbe6b-20220608 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5,REQID:629b7b2c-e40f-453d-ae64-363c1568e311,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:dd06a07e-c8dc-403a-96e8-6237210dceee,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: f88da9f89f684c45b0c3144ab44dbe6b-20220608 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1555283875; Wed, 08 Jun 2022 01:46:04 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 8 Jun 2022 01:36:04 -0700 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220608_014610_741180_21C7B2C3 X-CRM114-Status: GOOD ( 12.47 ) 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 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";