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 <dongchun.zhu@mediatek.com>
X-Patchwork-Id: 57464
Received: from vger.kernel.org ([209.132.180.67])
	by www.linuxtv.org with esmtp (Exim 4.84_2)
	(envelope-from <linux-media-owner@vger.kernel.org>)
	id 1hkQd2-0001Cp-7b; Mon, 08 Jul 2019 10:12:12 +0000
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1728946AbfGHKMK (ORCPT <rfc822;mkrufky@linuxtv.org> + 1 other);
	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
	<rfc822; linux-media@vger.kernel.org>); 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 <dongchun.zhu@mediatek.com>)
	(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: <dongchun.zhu@mediatek.com>
To: <mchehab@kernel.org>, <robh+dt@kernel.org>, <mark.rutland@arm.com>,
	<matthias.bgg@gmail.com>, <sakari.ailus@linux.intel.com>,
	<tfiga@chromium.org>, <bingbu.cao@intel.com>
CC: <srv_heupstream@mediatek.com>, <linux-mediatek@lists.infradead.org>,
	<linux-arm-kernel@lists.infradead.org>, <sj.huang@mediatek.com>,
	<linux-media@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<louis.kuo@mediatek.com>, <shengnan.wang@mediatek.com>,
	<dongchun.zhu@mediatek.com>
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: <linux-media.vger.kernel.org>
X-Mailing-List: linux-media@vger.kernel.org

From: Dongchun Zhu <dongchun.zhu@mediatek.com>

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