From patchwork Tue Dec 10 05:53:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: allen X-Patchwork-Id: 11281681 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 A6F7E930 for ; Tue, 10 Dec 2019 08:40:55 +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 8F850206D5 for ; Tue, 10 Dec 2019 08:40:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8F850206D5 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 41F216E836; Tue, 10 Dec 2019 08:40:32 +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 E563489F97 for ; Tue, 10 Dec 2019 06:15:25 +0000 (UTC) Received: from unknown (HELO mse.ite.com.tw) ([192.168.35.30]) by ironport.ite.com.tw with ESMTP; 10 Dec 2019 14:05:50 +0800 Received: from csbcas.internal.ite.com.tw (csbcas1.internal.ite.com.tw [192.168.65.46]) by mse.ite.com.tw with ESMTP id xBA65mA8018391; Tue, 10 Dec 2019 14:05:48 +0800 (GMT-8) (envelope-from allen.chen@ite.com.tw) Received: from allen-VirtualBox.internal.ite.com.tw (192.168.70.14) by csbcas1.internal.ite.com.tw (192.168.65.45) with Microsoft SMTP Server (TLS) id 14.3.352.0; Tue, 10 Dec 2019 14:05:48 +0800 From: allen To: Subject: [PATCH v5 3/4] dt-bindings: Add binding for IT6505. Date: Tue, 10 Dec 2019 13:53:41 +0800 Message-ID: <1575957299-12977-4-git-send-email-allen.chen@ite.com.tw> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1575957299-12977-1-git-send-email-allen.chen@ite.com.tw> References: <1575957299-12977-1-git-send-email-allen.chen@ite.com.tw> MIME-Version: 1.0 X-Originating-IP: [192.168.70.14] X-MAIL: mse.ite.com.tw xBA65mA8018391 X-Mailman-Approved-At: Tue, 10 Dec 2019 08:40:04 +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 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add a DT binding documentation for IT6505. Signed-off-by: Allen Chen Signed-off-by: Pi-Hsun Shih Acked-by: Sam Ravnborg --- .../bindings/display/bridge/ite,it6505.yaml | 99 ++++++++++++++++++++++ 1 file changed, 99 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..23a106a --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml @@ -0,0 +1,99 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/ite,it6505.yaml# +$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 + + hpd-gpios: + - maxItems: 1 + - description: + - Hotplug detect GPIO + - Indicates which GPIO should be used for hotplug detection + + 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 + - hpd-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>; + hpd-gpios = <&pio 9 0>; + extcon = <&usbc_extcon>; + + port { + it6505_in: endpoint { + remote-endpoint = <&dpi_out>; + }; + }; + }; + +---