From nobody Fri Dec 19 10:44:49 2025 Received: from ironport.ite.com.tw (60-251-196-230.hinet-ip.hinet.net [60.251.196.230]) (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 128252D94B5; Thu, 9 Oct 2025 08:04:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.251.196.230 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759997060; cv=none; b=jBX8NWnqaQuCNop9UGGdcmpxVfweEIszs+oXzsl6epVCegRl7MsEjnteqsfrsMuAWktOiYllqyofdAiJU1JJtWUDhD/sXk7J+DKtVPClO90C0icf2aEbjwhsUZJcsfcZ0Tecq9lhupBJJ/mPkXJjph8ErPuNSuO5G0SqnA1HDY8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759997060; c=relaxed/simple; bh=IBy14gjD5Z2jFg+DRcFQ7bL0VdN4MHQYLxsnCFE3s/E=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=D0NQ2mWo46EukpiK1xeECKHDcihAcftAuMMfx2ajRQEC9vNlIPIY6giVLtVoKJKLbKsl1ADOeLT8X6W6WAPVdympz3NQuVaZrFsOvmnF5IydpDt4tjavsCSkNg8CMDhjaArsa9SK2gPL+xb6K5K2K2Dxa4ebZAovLF3bfyH0+pA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ite.com.tw; spf=pass smtp.mailfrom=ite.com.tw; dkim=pass (2048-bit key) header.d=ite.com.tw header.i=@ite.com.tw header.b=ioLB37TJ; arc=none smtp.client-ip=60.251.196.230 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ite.com.tw Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ite.com.tw Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ite.com.tw header.i=@ite.com.tw header.b="ioLB37TJ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ite.com.tw; s=dkim; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=0zSfEN9DIlDFZr7Q462zvo6zVEh0wybRlTy5JtRrNc0=; b=ioLB37TJpLXzh2IFonjA39aNMrTs4YM3nbF70SiC16NJXMkGcpAjBfe3 MYemPYMBwq4GvTiHw5vlFz+5nzsCZ3AwbAsFAeBGjjBhq49sAAhtcocrY bzm1vQhOubmyiHZH5BfETAfTm/29S9WAkR0e6qn8BXUP3Eld1Rmk7QUvL 7ThOJLxMqks0PvcmMYICLXTaLha69HoLOrelbyOC9im7m0R/WjqiZlCdn kJ5JckhDx6PRGYIwDnWiKoCQATp3TqOtV3OGKT1RwvaB2smpc0kLH1x8x jb6NV0oo6dskA//mSSOWMutdOLVqTHRFxoNDPShQ31RJnsupfI7hGxJkm A==; X-CSE-ConnectionGUID: yh/am03VRkqQgYdsull92w== X-CSE-MsgGUID: ZAOkCGBCT4qUo+le+ghPsQ== Received: from unknown (HELO mse.ite.com.tw) ([192.168.35.30]) by ironport.ite.com.tw with ESMTP; 09 Oct 2025 16:03:04 +0800 Received: from hscmail1.internal.ite.com.tw (HSCMAIL1.internal.ite.com.tw [192.168.35.58]) by mse.ite.com.tw with ESMTP id 59982w7d072679; Thu, 9 Oct 2025 16:02:58 +0800 (+08) (envelope-from Pet.Weng@ite.com.tw) Received: from [127.0.1.1] (192.168.72.40) by HSCMAIL1.internal.ite.com.tw (192.168.35.58) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.57; Thu, 9 Oct 2025 16:02:57 +0800 From: Pet Weng Date: Thu, 9 Oct 2025 16:02:34 +0800 Subject: [PATCH v3 1/3] dt-binding: display: Add ITE IT61620 MIPI DSI to HDMI bridge Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20251009-it61620-0714-v3-1-5d682d028441@ite.com.tw> References: <20251009-it61620-0714-v3-0-5d682d028441@ite.com.tw> In-Reply-To: <20251009-it61620-0714-v3-0-5d682d028441@ite.com.tw> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: , , , Hermes Wu , Kenneth Hung , Pet Weng , Pin-yen Lin X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1759996977; l=4990; i=pet.weng@ite.com.tw; s=20250702; h=from:subject:message-id; bh=IBy14gjD5Z2jFg+DRcFQ7bL0VdN4MHQYLxsnCFE3s/E=; b=5ZzV73bZ+W6DEEm9q5P7X0XZRdhyLpUX2tUAP6THEd0W0qxBdHRyOpztQwseb37Y/weAjpDM/ ySZsFgM1X17CZSgm+oAkrhqVmueKqJy1TG35O04rr9/w87uqlsVS8+t X-Developer-Key: i=pet.weng@ite.com.tw; a=ed25519; pk=wd08uBtTLb93x2ixbKVNsxiZPdMh1Ov4z5klodh2bqo= X-ClientProxiedBy: CSBMAIL1.internal.ite.com.tw (192.168.65.58) To HSCMAIL1.internal.ite.com.tw (192.168.35.58) X-TM-SNTS-SMTP: 2DE33DFBDDFECAAAD404731514EA243C1C3FE0DC0E09D0455B60C531B10328162002:8 X-MAIL: mse.ite.com.tw 59982w7d072679 This chip receives MIPI DSI input and outputs HDMI, and is commonly connected to SoCs via I2C and DSI. Signed-off-by: Pet Weng --- .../bindings/display/bridge/ite,it61620.yaml | 155 +++++++++++++++++= ++++ 1 file changed, 155 insertions(+) diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it61620.y= aml b/Documentation/devicetree/bindings/display/bridge/ite,it61620.yaml new file mode 100644 index 0000000000000000000000000000000000000000..60e1bd771c7c0767da2092c8dd6= 803f2b9c34358 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/ite,it61620.yaml @@ -0,0 +1,155 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/ite,it61620.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ITE IT61620 MIPI DSI to HDMI Bridge + +maintainers: + - Pet Weng + +description: | + The ITE IT61620 is a high-performance, low-power HDMI bridge that conver= ts + MIPI DSI input to HDMI 1.4b TMDS output. It supports up to 4 lanes of MI= PI + D-PHY 2.0 input at 2.5Gbps per lane (10Gbps total), compatible with DSI-2 + v2.0. + + The HDMI transmitter side supports up to 4Kx2K@30Hz resolutions, and is + compliant with HDMI 1.4b and HDCP 1.4. + + For audio, the IT61620 supports up to 8-channel LPCM via I2S (multi-line= or + TDM mode), with optional S/PDIF or DSD (for SACD). It supports audio + sampling rates up to 192kHz. + +allOf: + - $ref: /schemas/sound/dai-common.yaml# + +properties: + compatible: + const: ite,it61620 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + description: interrupt specifier of INT pin + + reset-gpios: + maxItems: 1 + description: GPIO specifier of RESET pin + + ivdd-supply: + description: core voltage + + ovdd-supply: + description: I/O voltage + + ovdd1833-supply: + description: flexible I/O votage + + pinctrl-names: + items: + - const: default + + pinctrl-0: + maxItems: 1 + + "#sound-dai-cells": + const: 0 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: Input port for MIPI DSI + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: true + + required: + - data-lanes + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: Output port for HDMI output + + port@2: + $ref: /schemas/graph.yaml#/properties/port + description: Audio input port (I2S) + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - interrupts + - reset-gpios + - ivdd-supply + - ovdd-supply + - ovdd1833-supply + - ports + +unevaluatedProperties: false + +examples: + - | + #include + #include + + i2c { + #address-cells =3D <1>; + #size-cells =3D <0>; + + bridge@58 { + compatible =3D "ite,it61620"; + reg =3D <0x58>; + #sound-dai-cells =3D <0>; + interrupt-parent =3D <&pio>; + interrupts =3D <128 IRQ_TYPE_LEVEL_LOW>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&it61620_pins>; + reset-gpios =3D <&pio 127 GPIO_ACTIVE_LOW>; + ivdd-supply =3D <&pp1000_hdmi_x>; + ovdd-supply =3D <&pp3300_vio28_x>; + ovdd1833-supply =3D <&pp1800_vcamio_x>; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + it61620_dsi_in: endpoint { + data-lanes =3D <0 1 2 3>; + remote-endpoint =3D <&dsi_out>; + }; + }; + + port@1 { + reg =3D <1>; + it61620_hdmi_out: endpoint { + remote-endpoint =3D <&hdmi_connect= or_in>; + }; + }; + + port@2 { + reg =3D <2>; + it61620_audio_in: endpoint { + remote-endpoint =3D <&i2s0_out>; + }; + }; + }; + }; + }; --=20 2.34.1