From patchwork Sat May 2 16:17:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dongchun Zhu X-Patchwork-Id: 11523985 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5491614B4 for ; Sat, 2 May 2020 16:28:46 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 30A2821974 for ; Sat, 2 May 2020 16:28:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="hP3Sz0hK"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="sE9fQZ02" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 30A2821974 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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:References:In-Reply-To: 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: List-Owner; bh=8oOcnBQeahYpMHVexSajEOz+g9866k1CYPrdmNzRXiA=; b=hP3Sz0hKZO4H5S DUlLrf9Aej//98o33JpqmFeHu7YYn9/SYPmDbWYEILaSMucHY5VtK5+lq9TGe/LQNVl1TaW3ZfIOS Ylnhy7tASL9KtefRxo7G45Ke/RBaKkKTflJoI0kwa3FHm07L5JOjwvyIgqLNHFOWJUUJINOe3RD+W ElzHNIgA+IvnkhKcvLMoHusjSUlwgSQ/AV8KeZtIHfcTHK40RCB4v04wdzkY6EQwQPx2VeJBreFvL S04AmYBqxZNlwNshz9XYE7iu052Q7tBcUzP8WidZI5LLqMUv2FFnnPsCkIelm297IWMlFzGTCKUUt f1rDqfFG6+gjE4WMWQjA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jUv0L-0005Zz-7e; Sat, 02 May 2020 16:28:41 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jUv0G-0005Xy-Vt; Sat, 02 May 2020 16:28:38 +0000 X-UUID: d1d8161eaaa64840b4697801da47a9cd-20200502 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=fchvuHLghoAhuDb1n3lVC1u/DWcrET0Dm/xjW9sen3o=; b=sE9fQZ02O56qMR5sEZufs6ahJicIjx9Z86/a4Wn1Wc5uzuI7UYPWZm9UuMYS1nPoPWnycBSFvjfurJno0EVMDojRZAcrvoyxAJp/fNEFQibJub2bW/lAdh2xRAV5nQwjzcC2BkyIpfX3BXhKmnctH24iqHZ4Iih6yIf9vPeLqsU=; X-UUID: d1d8161eaaa64840b4697801da47a9cd-20200502 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1054471724; Sat, 02 May 2020 08:28:32 -0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 2 May 2020 09:18:27 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 3 May 2020 00:18:24 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sun, 3 May 2020 00:18:25 +0800 From: Dongchun Zhu To: , , , , , , , , , , Subject: [V5, 1/2] media: dt-bindings: media: i2c: Document DW9768 bindings Date: Sun, 3 May 2020 00:17:26 +0800 Message-ID: <20200502161727.30463-2-dongchun.zhu@mediatek.com> X-Mailer: git-send-email 2.9.2 In-Reply-To: <20200502161727.30463-1-dongchun.zhu@mediatek.com> References: <20200502161727.30463-1-dongchun.zhu@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-20200502_092837_035791_4E60A689 X-CRM114-Status: UNSURE ( 9.40 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add DeviceTree binding documentation for Dongwoon Anatech DW9768 voice coil actuator. Signed-off-by: Dongchun Zhu Reviewed-by: Rob Herring --- .../bindings/media/i2c/dongwoon,dw9768.yaml | 60 ++++++++++++++++++++++ MAINTAINERS | 7 +++ 2 files changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml diff --git a/Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml b/Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml new file mode 100644 index 0000000..8dec22d --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright (c) 2020 MediaTek Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/i2c/dongwoon,dw9768.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Dongwoon Anatech DW9768 Voice Coil Motor (VCM) Lens Device Tree Bindings + +maintainers: + - Dongchun Zhu + +description: |- + The Dongwoon DW9768 is a single 10-bit digital-to-analog (DAC) converter + with 100 mA output current sink capability. VCM current is controlled with + a linear mode driver. The DAC is controlled via a 2-wire (I2C-compatible) + serial interface that operates at clock rates up to 1MHz. This chip + integrates Advanced Actuator Control (AAC) technology and is intended for + driving voice coil lenses in camera modules. + +properties: + compatible: + const: dongwoon,dw9768 + + reg: + maxItems: 1 + + vin-supply: + description: + Definition of the regulator used as I2C I/O interface power supply. + + vdd-supply: + description: + Definition of the regulator used as VCM chip power supply. + +required: + - compatible + - reg + - vin-supply + - vdd-supply + +additionalProperties: false + +examples: + - | + i2c { + clock-frequency = <400000>; + #address-cells = <1>; + #size-cells = <0>; + + dw9768: camera-lens@c { + compatible = "dongwoon,dw9768"; + reg = <0x0c>; + + vin-supply = <&mt6358_vcamio_reg>; + vdd-supply = <&mt6358_vcama2_reg>; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index e64e5db..8d72c41 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -5151,6 +5151,13 @@ T: git git://linuxtv.org/media_tree.git F: Documentation/devicetree/bindings/media/i2c/dongwoon,dw9714.txt F: drivers/media/i2c/dw9714.c +DONGWOON DW9768 LENS VOICE COIL DRIVER +M: Dongchun Zhu +L: linux-media@vger.kernel.org +S: Maintained +T: git git://linuxtv.org/media_tree.git +F: Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml + DONGWOON DW9807 LENS VOICE COIL DRIVER M: Sakari Ailus L: linux-media@vger.kernel.org