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: 11034799 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 0DF6F912 for ; Mon, 8 Jul 2019 10:12:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EF4712852A for ; Mon, 8 Jul 2019 10:12:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E2D4F28517; Mon, 8 Jul 2019 10:12:11 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8CDB128517 for ; Mon, 8 Jul 2019 10:12:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728946AbfGHKMK (ORCPT ); Mon, 8 Jul 2019 06:12:10 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:33203 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1728596AbfGHKMK (ORCPT ); Mon, 8 Jul 2019 06:12:10 -0400 X-UUID: 4fa6ef644d1e4e3c9b7dac5dafb96f67-20190708 X-UUID: 4fa6ef644d1e4e3c9b7dac5dafb96f67-20190708 Received: from mtkcas08.mediatek.inc [(172.21.101.126)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 2008999992; Mon, 08 Jul 2019 18:11:54 +0800 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: , , , , , , CC: , , , , , , , , 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 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.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