From patchwork Thu Apr 1 07:08:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Chevallier X-Patchwork-Id: 414011 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6D6C3C43603 for ; Thu, 1 Apr 2021 07:08:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 54D40610CB for ; Thu, 1 Apr 2021 07:08:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233500AbhDAHI2 (ORCPT ); Thu, 1 Apr 2021 03:08:28 -0400 Received: from relay11.mail.gandi.net ([217.70.178.231]:48421 "EHLO relay11.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233283AbhDAHIL (ORCPT ); Thu, 1 Apr 2021 03:08:11 -0400 Received: from localhost.localdomain (55.134.22.93.rev.sfr.net [93.22.134.55]) (Authenticated sender: maxime.chevallier@bootlin.com) by relay11.mail.gandi.net (Postfix) with ESMTPSA id 12A1F100007; Thu, 1 Apr 2021 07:08:08 +0000 (UTC) From: Maxime Chevallier To: Mauro Carvalho Chehab , Rob Herring , Hans Verkuil Cc: Maxime Chevallier , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Thomas Petazzoni , Miquel Raynal , Paul Kocialkowski Subject: [PATCH v5 2/3] media: dt-bindings: media: i2c: Add bindings for TW9900 Date: Thu, 1 Apr 2021 09:08:01 +0200 Message-Id: <20210401070802.1685823-3-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20210401070802.1685823-1-maxime.chevallier@bootlin.com> References: <20210401070802.1685823-1-maxime.chevallier@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The Techwell TW9900 is a video decoder supporting multiple input standards, such as PAL, NTSC and SECAM, and outputs a BT.656 video signal. It's designed to be low-power, posesses some features such as a programmable comb-filter, and automatic input standard detection. Signed-off-by: Maxime Chevallier Reviewed-by: Rob Herring --- V2->V3 : Fix the example not compiling due to a typo in the reset-gpios node. V3->V4 : Add the missing reset-gpios node to the binding V4->V5 : Renamed the file to match the compatible string, and referenced the graph.yaml schema .../bindings/media/i2c/techwell,tw9900.yaml | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/techwell,tw9900.yaml diff --git a/Documentation/devicetree/bindings/media/i2c/techwell,tw9900.yaml b/Documentation/devicetree/bindings/media/i2c/techwell,tw9900.yaml new file mode 100644 index 000000000000..b5047c26f0cb --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/techwell,tw9900.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/i2c/techwell,tw9900.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Techwell TW9900 NTSC/PAL/SECAM video decoder + +maintainers: + - Maxime Chevallier + +description: + The tw9900 is a multi-standard video decoder, supporting NTSC, PAL and SECAM + standards with auto-detection features. + +properties: + compatible: + items: + - enum: + - techwell,tw9900 + + reg: + maxItems: 1 + + vdd-supply: + description: VDD power supply + + reset-gpios: + description: GPIO descriptor for the RESET input pin + maxItems: 1 + + port: + $ref: /schemas/graph.yaml#/properties/port + description: + Video port for the decoder output. + +additionalProperties: false + +required: + - compatible + - reg + +examples: + - | + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + tw9900: tw9900@44 { + compatible = "techwell,tw9900"; + reg = <0x44>; + + vdd-supply = <&tw9900_supply>; + reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>; + + port { + tw9900_out: endpoint { + remote-endpoint = <&vip_in>; + }; + }; + }; + };