From patchwork Mon Oct 16 13:58:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mehdi Djait X-Patchwork-Id: 734663 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3C7DF27721 for ; Mon, 16 Oct 2023 13:58:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="WvrAyQb9" Received: from relay7-d.mail.gandi.net (relay7-d.mail.gandi.net [217.70.183.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D8B783; Mon, 16 Oct 2023 06:58:44 -0700 (PDT) Received: by mail.gandi.net (Postfix) with ESMTPSA id D531A20003; Mon, 16 Oct 2023 13:58:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1697464723; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dKroyI00sULjJiUSulXbUNd0S6lW+G9DyC1inAuNSDw=; b=WvrAyQb9u/Gx05zi6NiZDwTyv1QIxvnZ6OuohSZAcjaUjd6pS84O1yeNVCdb89j9PoABi1 l3gDjLPI/zLJF/yDLkQw2hUlWitGDrPQ43+osqeVcNdJgGRqCbI0saU4kyLJGAfcyeKDkF 9BhdhEXrTcXg6iEnbPaR22wOJBCSUatTBFjiri1seJNxFNn4YHk2UWsZddmUxh4iz7p76F L9PaTrZNZgH20AjmOHMILbK03oTj5rTB/IQQxKnfQ4oIhyYcae+R5SYYIbQfqF7L95ec9D pkxantwZNtDq74SjR4kJuOXGOYVrtHD+1jGBxrpSdu23ARL0DVgu0TN08QDyVg== From: Mehdi Djait To: mchehab@kernel.org, hverkuil-cisco@xs4all.nl, krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, conor+dt@kernel.org, laurent.pinchart@ideasonboard.com Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, alexandre.belloni@bootlin.com, maxime.chevallier@bootlin.com, paul.kocialkowski@bootlin.com, Mehdi Djait Subject: [PATCH v7 2/3] media: dt-bindings: media: i2c: Add bindings for TW9900 Date: Mon, 16 Oct 2023 15:58:32 +0200 Message-ID: X-Mailer: git-send-email 2.41.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-GND-Sasl: mehdi.djait@bootlin.com X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net The Techwell TW9900 is a video decoder supporting multiple input standards, such as PAL and NTSC, 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: Mehdi Djait --- V6->V7: - added powerdown-gpios and input ports - used 4 spaces for example identation V5->V6: - This commit had a "Reviewed-by: Rob Herring " Tag but decided not to collect it because the last Iteration was more than 2 years ago - removed SECAM from the mentioned standards - changed maintainer V4->V5: - renamed the file to match the compatible string, and referenced the graph.yaml schema V3->V4: - add the missing reset-gpios node to the binding V2->V3: - fix the example not compiling due to a typo in the reset-gpios node. .../bindings/media/i2c/techwell,tw9900.yaml | 82 +++++++++++++++++++ 1 file changed, 82 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..244289a9a3e0 --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/techwell,tw9900.yaml @@ -0,0 +1,82 @@ +# 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 video decoder + +maintainers: + - Mehdi Djait + +description: + The tw9900 is a multi-standard video decoder, supporting NTSC, PAL standards + with auto-detection features. + +properties: + compatible: + const: techwell,tw9900 + + reg: + maxItems: 1 + + vdd-supply: + description: VDD power supply + + reset-gpios: + description: GPIO descriptor for the RESET input pin + maxItems: 1 + + powerdown-gpios: + description: GPIO descriptor for the POWERDOWN input pin + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + properties: + port@3: + $ref: /schemas/graph.yaml#/properties/port + description: Video port for the decoder output. + + patternProperties: + "^port@[0-2]$": + $ref: /schemas/graph.yaml#/properties/port + description: Analog video input port. + + required: + - port@3 + +required: + - compatible + - ports + - reg + +additionalProperties: false + +examples: + - | + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + video-decoder@44 { + compatible = "techwell,tw9900"; + reg = <0x44>; + + vdd-supply = <&tw9900_supply>; + reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@3 { + reg = <3>; + endpoint { + remote-endpoint = <&vip_in>; + }; + }; + }; + }; + };