From patchwork Mon Jul 8 10:06:39 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dongchun Zhu X-Patchwork-Id: 11034797 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 15E09912 for ; Mon, 8 Jul 2019 10:12:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EC29828560 for ; Mon, 8 Jul 2019 10:12:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CED982852C; Mon, 8 Jul 2019 10:12:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id CA93C27D29 for ; Mon, 8 Jul 2019 10:12:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject: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=m1CX5AATxW7pMU0UxDWLeavMw6o05Ob3Gtv9t0HdUR0=; b=Tv/LeK7nHS9+h9 Gx1s8hzLm7GlnPePkBE2m227wc8LMlZFKefJNhj1UR8Hsk9o8bIxjHZX84ZZhcFTPBDmDZEdNnLkC E4ysoXnfaRfBb2USwbfn/Sp6Nw8IIjbKD7g8m3CU7ycBBXqb/e9Ns6J63gy5XjyYz1WshugLlZo5R xBO/JXG7ZqdaQACzO7Xno6lS3L5yWzNMHDsQCBr2cp3DVZ+mOfADZLfe3T6TxEzU+YyDl2EfXgzBp FkND0AHxYkc56cr3siVw4DLR7Rh8QAIyvpypomO4+C0zj0B7bC26ogctGupxx0z5LdEOdGEBUXk1W NHjpvE+b6/lR3h/A2GsQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hkQcy-0007Pb-QU; Mon, 08 Jul 2019 10:12:08 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hkQcv-0007Oo-C8; Mon, 08 Jul 2019 10:12:07 +0000 X-UUID: 96599951e7fe47be8fe58275256019af-20190708 X-UUID: 96599951e7fe47be8fe58275256019af-20190708 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1464616109; Mon, 08 Jul 2019 02:11:56 -0800 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 8 Jul 2019 03:11:54 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 8 Jul 2019 18:11:53 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 8 Jul 2019 18:11:52 +0800 From: To: , , , , , , Subject: [PATCH 0/2] media: add support for DW9768 VCM driver Date: Mon, 8 Jul 2019 18:06:39 +0800 Message-ID: <20190708100641.2702-1-dongchun.zhu@mediatek.com> X-Mailer: git-send-email 2.9.2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190708_031205_419410_D2E510F1 X-CRM114-Status: UNSURE ( 8.31 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, shengnan.wang@mediatek.com, sj.huang@mediatek.com, linux-mediatek@lists.infradead.org, dongchun.zhu@mediatek.com, louis.kuo@mediatek.com, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Dongchun Zhu Hello, Add a v4l2 sub-device driver for Dongwoon's DW9768 lens voice coil. This is a voice coil module using the i2c bus to control the focus position. The DW9768 can control the position with 10 bits value and consists of two 8 bit registers show as below: register 0x04(DW9768_REG_POSITION): +---+---+---+---+---+---+---+---+ |D07|D06|D05|D04|D03|D02|D01|D00| +---+---+---+---+---+---+---+---+ register 0x03: +---+---+---+---+---+---+---+---+ |---|---|---|---|---|---|D09|D08| +---+---+---+---+---+---+---+---+ This driver support : - set DW9768 to standby mode once suspend and turn it back to active if resume - set the position via V4L2_CID_FOCUS_ABSOLUTE ctrl Dongchun Zhu (2): media: i2c: dw9768: Add DT support and MAINTAINERS entry media: i2c: dw9768: Add DW9768 VCM driver .../bindings/media/i2c/dongwoon,dw9768.txt | 9 + MAINTAINERS | 8 + drivers/media/i2c/Kconfig | 10 + drivers/media/i2c/Makefile | 1 + drivers/media/i2c/dw9768.c | 458 +++++++++++++++++++++ 5 files changed, 486 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.txt create mode 100644 drivers/media/i2c/dw9768.c