From patchwork Fri Nov 17 15:42:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mehdi Djait X-Patchwork-Id: 13459074 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="a3x6Riii" Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [217.70.183.201]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 44170126; Fri, 17 Nov 2023 07:42:36 -0800 (PST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 62DA71BF203; Fri, 17 Nov 2023 15:42:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1700235755; 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=mPGUtDW2wu6xe9Vi1b7tVrkDIWPN7+oNEA+MDEXHBYg=; b=a3x6RiiiOKVI2mmDQDXEgwD/b+Guu1in/vpXEgFujB0kwdaiImm2j9+5UlNjvlC4XTIfvN PmtVly2u8fREf2FLah8JnyeUfF9Ac8S5tmYHCX5jd9wT1Yu8J5OPzviZGUvMhl78tYQncS jTuN3vu6RiWh2kd+65D/2BnAjzqchx6rLNTT4igmHC4izwAnHoildBh5qvcZU/D5sZBLGw zcTclg7FH3Y4fpwio2RPmiRUQOMGOElYUudTKiv9lZh9tUkeGubZAvsTs+oWxY4tLEo697 +pxMtJr/sLZBpej4igVsEwYmmswp2mRToIh6Gu2pjwXgAUCAKbMol2/4kFCp+Q== From: Mehdi Djait To: mchehab@kernel.org, heiko@sntech.de, hverkuil-cisco@xs4all.nl, laurent.pinchart@ideasonboard.com, krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, conor+dt@kernel.org 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 , Rob Herring Subject: [PATCH v9 2/3] media: dt-bindings: media: i2c: Add bindings for TW9900 Date: Fri, 17 Nov 2023 16:42:28 +0100 Message-ID: X-Mailer: git-send-email 2.41.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-GND-Sasl: mehdi.djait@bootlin.com The Techwell TW9900 is a video decoder supporting multiple input standards such as PAL and NTSC and has a parallel BT.656 output interface. It's designed to be low-power, posesses some features such as a programmable comb-filter, and automatic input standard detection Reviewed-by: Rob Herring Signed-off-by: Mehdi Djait Reviewed-by: Paul Kocialkowski --- .../bindings/media/i2c/techwell,tw9900.yaml | 137 ++++++++++++++++++ 1 file changed, 137 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..e37317f81072 --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/techwell,tw9900.yaml @@ -0,0 +1,137 @@ +# 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@0: + $ref: /schemas/graph.yaml#/$defs/port-base + description: Analog input port + + properties: + endpoint@0: + $ref: /schemas/graph.yaml#/properties/endpoint + description: CVBS over MUX0 + + endpoint@1: + $ref: /schemas/graph.yaml#/properties/endpoint + description: CVBS over MUX1 + + endpoint@2: + $ref: /schemas/graph.yaml#/properties/endpoint + description: Chroma over CIN0 and Y over MUX0 + + endpoint@3: + $ref: /schemas/graph.yaml#/properties/endpoint + description: Chroma over CIN0 and Y over MUX1 + + oneOf: + - required: + - endpoint@0 + - required: + - endpoint@1 + - required: + - endpoint@2 + - required: + - endpoint@3 + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: Video port for the decoder output. + + + required: + - port@0 + - port@1 + +required: + - compatible + - ports + - reg + - vdd-supply + +additionalProperties: false + +examples: + - | + #include + #include + + composite_connector { + compatible = "composite-video-connector"; + label = "tv"; + sdtv-standards = <(SDTV_STD_PAL | SDTV_STD_NTSC)>; + + port { + composite_to_tw9900: endpoint { + remote-endpoint = <&tw9900_to_composite>; + }; + }; + }; + + 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@0 { + #address-cells = <1>; + #size-cells = <0>; + + reg = <0>; + tw9900_to_composite: endpoint@0 { + reg = <0>; + remote-endpoint = <&composite_to_tw9900>; + }; + }; + + port@1 { + reg = <1>; + endpoint { + remote-endpoint = <&cif_in>; + }; + }; + }; + }; + };