From patchwork Mon Jan 20 02:44:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: allen X-Patchwork-Id: 11341549 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 471B692A for ; Mon, 20 Jan 2020 08:59:15 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2F3E52077C for ; Mon, 20 Jan 2020 08:59:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2F3E52077C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ite.com.tw Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C49DE6E860; Mon, 20 Jan 2020 08:59:12 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from ironport.ite.com.tw (60-251-196-230.HINET-IP.hinet.net [60.251.196.230]) by gabe.freedesktop.org (Postfix) with ESMTP id E5E6D6E542 for ; Mon, 20 Jan 2020 03:08:44 +0000 (UTC) Received: from unknown (HELO mse.ite.com.tw) ([192.168.35.30]) by ironport.ite.com.tw with ESMTP; 20 Jan 2020 10:59:08 +0800 Received: from csbcas.ite.com.tw (csbmail1.internal.ite.com.tw [192.168.65.58]) by mse.ite.com.tw with ESMTP id 00K2x1nv079300; Mon, 20 Jan 2020 10:59:01 +0800 (GMT-8) (envelope-from allen.chen@ite.com.tw) Received: from allen-VirtualBox.internal.ite.com.tw (192.168.70.14) by CSBMAIL1.internal.ite.com.tw (192.168.65.58) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Mon, 20 Jan 2020 10:58:54 +0800 From: allen To: Subject: [PATCH v6 3/4] dt-bindings: Add binding for IT6505. Date: Mon, 20 Jan 2020 10:44:33 +0800 Message-ID: <1579488364-13182-4-git-send-email-allen.chen@ite.com.tw> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1579488364-13182-1-git-send-email-allen.chen@ite.com.tw> References: <1579488364-13182-1-git-send-email-allen.chen@ite.com.tw> MIME-Version: 1.0 X-Originating-IP: [192.168.70.14] X-ClientProxiedBy: CSBMAIL1.internal.ite.com.tw (192.168.65.58) To CSBMAIL1.internal.ite.com.tw (192.168.65.58) X-TM-SNTS-SMTP: FCF751CC26A93D9A5BB88666EF62CF7855EBC473629BDB91C384C1D4AD94D6932000:8 X-MAIL: mse.ite.com.tw 00K2x1nv079300 X-Mailman-Approved-At: Mon, 20 Jan 2020 08:58:36 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Pi-Hsun Shih , Jau-Chih Tseng , David Airlie , Allen Chen , open list , "open list:DRM DRIVERS" , Rob Herring , Sam Ravnborg Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add a DT binding documentation for IT6505. Acked-by: Sam Ravnborg Signed-off-by: Allen Chen Signed-off-by: Pi-Hsun Shih --- .../bindings/display/bridge/ite,it6505.yaml | 89 ++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml new file mode 100644 index 00000000..5c152ca8 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml @@ -0,0 +1,89 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/ite,it6505.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ITE it6505 Device Tree Bindings + +maintainers: + - Allen Chen + +description: | + The IT6505 is a high-performance DisplayPort 1.1a transmitter, + fully compliant with DisplayPort 1.1a, HDCP 1.3 specifications. + The IT6505 supports color depth of up to 36 bits (12 bits/color) + and ensures robust transmission of high-quality uncompressed video + content, along with uncompressed and compressed digital audio content. + + Aside from the various video output formats supported, the IT6505 + also encodes and transmits up to 8 channels of I2S digital audio, + with sampling rate up to 192kHz and sample size up to 24 bits. + In addition, an S/PDIF input port takes in compressed audio of up to + 192kHz frame rate. + + Each IT6505 chip comes preprogrammed with an unique HDCP key, + in compliance with the HDCP 1.3 standard so as to provide secure + transmission of high-definition content. Users of the IT6505 need not + purchase any HDCP keys or ROMs. + +properties: + compatible: + const: ite,it6505 + + reg: + maxItems: 1 + description: i2c address of the bridge + + ovdd-supply: + maxItems: 1 + description: I/O voltage + + pwr18-supply: + maxItems: 1 + description: core voltage + + interrupts: + maxItems: 1 + description: interrupt specifier of INT pin + + reset-gpios: + maxItems: 1 + description: gpio specifier of RESET pin + + extcon: + maxItems: 1 + description: extcon specifier for the Power Delivery + + port: + type: object + description: A port node pointing to DPI host port node + +required: + - compatible + - reg + - ovdd-supply + - pwr18-supply + - interrupts + - reset-gpios + - extcon + +examples: + - | + dp-bridge@5c { + compatible = "ite,it6505"; + interrupts = <152 IRQ_TYPE_EDGE_RISING 152 0>; + reg = <0x5c>; + pinctrl-names = "default"; + pinctrl-0 = <&it6505_pins>; + ovdd-supply = <&mt6358_vsim1_reg>; + pwr18-supply = <&it6505_pp18_reg>; + reset-gpios = <&pio 179 1>; + extcon = <&usbc_extcon>; + + port { + it6505_in: endpoint { + remote-endpoint = <&dpi_out>; + }; + }; + };