From nobody Mon Apr 6 09:13:48 2026 Received: from ironport.ite.com.tw (hc210-202-87-179.vdslpro.static.apol.com.tw [210.202.87.179]) (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 DA94435AC02; Fri, 20 Mar 2026 07:49:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.202.87.179 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773993000; cv=none; b=KZlvQy+P7OmH5ATH3u+XP32SSXdzGjR9oduT1n94pPAvBKWqJKquBM3ALbpC2pXcHizNs04HMBz0H+xc8PyJHxTNwPCtDBTLFquSRqT/UnqgEAY3Lbul6PdpQNgZL7UkefUKBjWCxXT4EYBMarFSJqcPm15nFG7nGWcfB6tYgVs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773993000; c=relaxed/simple; bh=6CSdJjR5+zw4J9eWO/NX4W8EA1aQ3PdFYcJsL8Vc2ME=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=Io1HFhYS2UFKH08oJOK0rSCsyIY8GpJM11G3MnV4Vs3MGbYYekJxJ1hWLAbTpDWZcsY4EI9MqEHXXRlyX/SzuPuuwIO6z8Dl/jOP/PjMgD4WcVwxX6ZEod2XgQQYCR6J6jgt299BwlD7Ktwlw37PORu7OfPCev4V20J7914/e/A= 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=Q9XpoyGA; arc=none smtp.client-ip=210.202.87.179 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="Q9XpoyGA" 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=AUPYy9waq8xlLkN2HE8tB+FiLz0tWfDmK8j23h0A5yA=; b=Q9XpoyGAVl753dKn/jgDp4/duzzLHT+0ztgYyBB9HWC/MhpUOnQqrLh0 C0UIXlfB9aWiE5zUmdmgCJ+dPy44AovyVSKgeM2sXIVvmI+ALd6RmGJ19 LpSwQPzxgTj/SPnnVE8UM90pdOI1IJQz5OhmrkDX92WEfly25x2kopF59 fucXrXpW00vvU7oo6f3JMtDGTCWbRDIGUI2b1cmQtVb8h5MDtXC4BHi9O MG54ePdo6D8eREcLkSEqW+BRLoL3LCXDOOhGn3JP0Ji4wJg4vx8pdfgrA aAzqfSWRtWuPQwtKnR7YnbiyU7s8ENHI7wGp7431bWQr0vD9SojQsN7Xy A==; X-CSE-ConnectionGUID: x2EhnDTLRXmcDaxA4rR/3w== X-CSE-MsgGUID: MjSF8I4uTuiC9aR/74mUCQ== Received: from unknown (HELO mse.ite.com.tw) ([192.168.35.30]) by ironport.ite.com.tw with ESMTP; 20 Mar 2026 15:44:06 +0800 Received: from hscmail1.internal.ite.com.tw (HSCMAIL2.internal.ite.com.tw [192.168.35.41]) by mse.ite.com.tw with ESMTP id 62K7ngHB002384; Fri, 20 Mar 2026 15:49:42 +0800 (+08) (envelope-from Pet.Weng@ite.com.tw) Received: from [127.0.1.1] (192.168.72.40) by HSCMAIL2.internal.ite.com.tw (192.168.35.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.37; Fri, 20 Mar 2026 15:49:40 +0800 From: Pet Weng Date: Fri, 20 Mar 2026 15:50:41 +0800 Subject: [PATCH v8 1/2] 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: <20260320-it61620-0714-v8-1-0e70271cf5a9@ite.com.tw> References: <20260320-it61620-0714-v8-0-0e70271cf5a9@ite.com.tw> In-Reply-To: <20260320-it61620-0714-v8-0-0e70271cf5a9@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 , Jau-chih Tseng , Pin-yen Lin X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1773993069; l=5269; i=pet.weng@ite.com.tw; s=20250702; h=from:subject:message-id; bh=6CSdJjR5+zw4J9eWO/NX4W8EA1aQ3PdFYcJsL8Vc2ME=; b=y5lGOQzJpaUvaphg/XLsDVYxMeAX6MViAqWYss7XH2ij+TO1RgZEQkg6GHxMhwpRZMBCl2D69 RtrxGECR/TOAyYBffIKlbQacJiQLDQpawYhaiGlRegWkoSAVIRp08LV 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 HSCMAIL2.internal.ite.com.tw (192.168.35.41) X-TM-SNTS-SMTP: FA5E7E2A8DED7B1B064435D03ED0624831553CDBA75F29992351B0742A354A3C2002:8 X-MAIL: mse.ite.com.tw 62K7ngHB002384 This chip receives MIPI DSI input and outputs HDMI, and is commonly connected to SoCs via I2C and DSI. IT61620 is a variant of IT6162. The main differences are listed below - IT61620 supports only a single MIPI DSI input port, while IT6162 supports dual MIPI DSI ports. - IT61620 does not include the internal MCU present in IT6162. Because of these architectural differences, IT61620 uses a separate compati= ble string even though the external interfaces and bindings are largely similar. Signed-off-by: Pet Weng --- .../bindings/display/bridge/ite,it61620.yaml | 151 +++++++++++++++++= ++++ 1 file changed, 151 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..8cbab1b55da9e9155dce9cf91ad= db8fb89382e07 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/ite,it61620.yaml @@ -0,0 +1,151 @@ +# 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. + + IT61620 is a variant of IT6162. + The main differences are listed below + - IT61620 supports only a single MIPI DSI input port, while IT6162 suppo= rts + dual MIPI DSI ports. + - IT61620 does not include the internal MCU present in IT6162. + + Because of these architectural differences, IT61620 uses a separate comp= atible + string even though the external interfaces and bindings are largely simi= lar. + +allOf: + - $ref: /schemas/sound/dai-common.yaml# + +properties: + compatible: + const: ite,it61620 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + ivdd-supply: + description: core voltage + + ovdd-supply: + description: I/O voltage + + ovdd1833-supply: + description: flexible I/O voltage + + "#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 + 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_connector_in>; + }; + }; + + port@2 { + reg =3D <2>; + it61620_audio_in: endpoint { + remote-endpoint =3D <&i2s0_out>; + }; + }; + }; + }; + }; --=20 2.34.1