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 69E83CA0EED for ; Fri, 22 Aug 2025 07:47:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version: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:In-Reply-To:References:List-Owner; bh=ReGN8GZ3oUseLHMEQPdaMihgASxibz46v8lFIrib4lc=; b=XUC9mPIz+wUcqQrI6mHiuzr1sv w13lC771sfSQzUMCbymFKBKHyenJx+fHFl5v90tSaxEMKduMp9vLCcKOIueJDOIYZQusTs8M9njZn fvQflMnhSnbq92UQe5PP9qS8EhXLMDrAWjVvpchBfBvyXEK2WGWwQLvejEsIiRsL317RKmeK4HDMO vxbHIl62KRu/WumY6CcGNdH4EsmkEtG2roR0gpKiphAnJ/NztYXQp/GWAHgg9582lT8iK40GGWA0e +braqjVwFRYNh6/WYiKM5A3fq0STz+bwiKBuz5y/b0VGjk8Abu7zOIdzGXJyxzhdqeINlSFySpKnz jY56Larw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1upMUj-00000001qz5-2Yeq; Fri, 22 Aug 2025 07:47:29 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1upHGX-00000001F1K-2xx4; Fri, 22 Aug 2025 02:12:31 +0000 X-UUID: 710041de7efd11f09f706fa2197c6ceb-20250821 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=ReGN8GZ3oUseLHMEQPdaMihgASxibz46v8lFIrib4lc=; b=PFlP7V7TIpAfJD0NVBSzWlK0mfAAXOWRA00ULI0PY+4GvSWSdQvO0rzthi+lZWfi3BY8TJmghedTI1FD6JVX7DXX/hZsGVIYeNknh7SpGx2C+eELTQFPEixSuDCIEiGL4u81y/DVVTQA+as44zkVbXYmLaXhaB4Mg1YiHYlquGo=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.3,REQID:10bfc086-9b6c-41c0-8827-0eef6a1d3b11,IP:0,UR L:0,TC:0,Content:100,EDM:-30,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTI ON:release,TS:70 X-CID-META: VersionHash:f1326cf,CLOUDID:1a8d667a-966c-41bd-96b5-7d0b3c22e782,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102|801,TC:-5,Content:3|15|50,EDM:2, IP:nil,URL:99|1,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0, AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULS X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 710041de7efd11f09f706fa2197c6ceb-20250821 Received: from mtkmbs09n2.mediatek.inc [(172.21.101.94)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1137101863; Thu, 21 Aug 2025 19:12:23 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.39; Fri, 22 Aug 2025 10:12:19 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1258.39 via Frontend Transport; Fri, 22 Aug 2025 10:12:18 +0800 From: Jjian Zhou To: Jassi Brar , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Jjian Zhou , Chen-Yu Tsai CC: , , , , , Jjian Zhou Subject: [PATCH v5 0/2] add VCP mailbox driver Date: Fri, 22 Aug 2025 10:12:07 +0800 Message-ID: <20250822021217.1598-1-jjian.zhou@mediatek.com> X-Mailer: git-send-email 2.46.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250821_191229_759179_2364631E X-CRM114-Status: GOOD ( 13.08 ) 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 Hi everyone, This is v5 of my VCP mailbox driver. Changes since v5: - bindngs: - Patch 1 fix 'make dt_binding_check' errors. Changes since v4: - binding: - Match the binding file name and compatible. - mtk-vcp-mailbox.c: - Drop 'dev_dbg(dev, "MTK VCP mailbox initialized\n")'. - Since the reviewer hopes to combine the VCP IPC driver and the VCP driver for a unified review, the original three patches have been split into two parts: the VCP mailbox driver and the binding remain together, while the VCP IPC driver is merged with the VCP driver and submitted as one. - Link to v4 https://lore.kernel.org/all/20250820094545.23821-1-jjian.zhou@mediatek.com/ Changes since v3: - binding: - Remove unused lable '|' and 'vcp_mailbox0'. - Link to v3 https://lore.kernel.org/all/20250317110331.2776-1-jjian.zhou@mediatek.com/ Changes since v1: - Link to v1 https://lore.kernel.org/all/20250305082047.15746-1-jjian.zhou@mediatek.com/ In the v2 version, there is ongoing discussion about whether the VCP's IPC should use mailbox or rpmsg. To prevent the discussion records from being lost, the previous discussion link is attached. https://lore.kernel.org/all/CAGXv+5FXqZb_v2dQNgCKbFpJrLhbVk3f0sWrrMCVk3jaWwoBqA@mail.gmail.com/ Jjian Zhou (2): dt-bindings: mailbox: mediatek,mt8196-vcp-mbox: add mtk vcp-mbox document mailbox: mediatek: Add mtk-vcp-mailbox driver .../mailbox/mediatek,mt8196-vcp-mbox.yaml | 49 +++++ drivers/mailbox/Kconfig | 9 + drivers/mailbox/Makefile | 2 + drivers/mailbox/mtk-vcp-mailbox.c | 174 ++++++++++++++++++ include/linux/mailbox/mtk-vcp-mailbox.h | 32 ++++ 5 files changed, 266 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/mediatek,mt8196-vcp-mbox.yaml create mode 100644 drivers/mailbox/mtk-vcp-mailbox.c create mode 100644 include/linux/mailbox/mtk-vcp-mailbox.h -- 2.46.0