From patchwork Wed Jun 8 08:35:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tinghan Shen X-Patchwork-Id: 12873040 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 8EA90C43334 for ; Wed, 8 Jun 2022 08:39:36 +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=neqW/vUMfjV21/46qEtHh6pnukauhBAEYlat/h7d0lo=; b=A0obCCYyeg16k1 Fi/SOYIABLoMsoPbVoQwCVhFJkFtwUlIA2CA0KtOQvAVj18M+mIpyP8nzQ1p1jCahP7IlDvD6hbi5 GV5MUOcnKvrSUTB5Ri+brsjNvyCOb7cLnIwojohqL1o7zxe8bVudZYnUqTCDnKRoXQq3dNUJYp2R/ lykp41PXT2M1K6k6urkeM07ebuPiFxZqEBRVGU/+1ipADdUoq8ZAl9nx7YJYPj0nCgvpb3wM1Ixxh cXu0E5Hkb2SrqbPEjMsfjSQ3FtZl4YVTtpd1NEX0DS8wkY0FUfZ/5gJnaKPGvng/X5Yh70aqs0l09 Kt03c52TT9VJ3MnkPMAA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nyrCv-00C1EZ-H5; Wed, 08 Jun 2022 08:38:29 +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 1nyrBP-00C0Vr-E6; Wed, 08 Jun 2022 08:36:57 +0000 X-UUID: ad12ae4b4d3644ac84dd02276f2d21da-20220608 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5,REQID:1519b176-322e-441e-932a-8ef8203984b7,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:683015e5-2ba2-4dc1-b6c5-11feb6c769e0,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: ad12ae4b4d3644ac84dd02276f2d21da-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 546205242; Wed, 08 Jun 2022 01:36:47 -0700 Received: from mtkmbs10n1.mediatek.inc (172.21.101.34) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 8 Jun 2022 01:36:06 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.186) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Wed, 8 Jun 2022 16:36:03 +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 16:36:03 +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 9/9] mfd: cros_ec: Add SCP core 1 as a new CrOS EC MCU Date: Wed, 8 Jun 2022 16:35:53 +0800 Message-ID: <20220608083553.8697-10-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_013655_547462_25C9A03A X-CRM114-Status: GOOD ( 14.00 ) 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 MT8195 System Companion Processors(SCP) is a dual-core RISC-V MCU. Add a new cros feature id to represent the SCP 2nd core. The 1st core is referred to as 'core 0', and the 2nd core is referred to as 'core 1'. Signed-off-by: Tinghan Shen --- drivers/mfd/cros_ec_dev.c | 5 +++++ include/linux/platform_data/cros_ec_commands.h | 2 ++ include/linux/platform_data/cros_ec_proto.h | 1 + 3 files changed, 8 insertions(+) diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c index 546feef851ab..7be2e23525e1 100644 --- a/drivers/mfd/cros_ec_dev.c +++ b/drivers/mfd/cros_ec_dev.c @@ -64,6 +64,11 @@ static const struct cros_feature_to_name cros_mcu_devices[] = { .name = CROS_EC_DEV_SCP_NAME, .desc = "System Control Processor", }, + { + .id = EC_FEATURE_SCP_C1, + .name = CROS_EC_DEV_SCP_C1_NAME, + .desc = "System Control Processor 2nd Core", + }, { .id = EC_FEATURE_TOUCHPAD, .name = CROS_EC_DEV_TP_NAME, diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h index c23554531961..1176cdc92d23 100644 --- a/include/linux/platform_data/cros_ec_commands.h +++ b/include/linux/platform_data/cros_ec_commands.h @@ -1296,6 +1296,8 @@ enum ec_feature_code { * mux. */ EC_FEATURE_TYPEC_MUX_REQUIRE_AP_ACK = 43, + /* The MCU is a System Companion Processor (SCP) 2nd Core. */ + EC_FEATURE_SCP_C1 = 45, }; #define EC_FEATURE_MASK_0(event_code) BIT(event_code % 32) diff --git a/include/linux/platform_data/cros_ec_proto.h b/include/linux/platform_data/cros_ec_proto.h index df3c78c92ca2..12fc60f3c90d 100644 --- a/include/linux/platform_data/cros_ec_proto.h +++ b/include/linux/platform_data/cros_ec_proto.h @@ -19,6 +19,7 @@ #define CROS_EC_DEV_ISH_NAME "cros_ish" #define CROS_EC_DEV_PD_NAME "cros_pd" #define CROS_EC_DEV_SCP_NAME "cros_scp" +#define CROS_EC_DEV_SCP_C1_NAME "cros_scp_c1" #define CROS_EC_DEV_TP_NAME "cros_tp" /*