From patchwork Mon Mar 9 06:26:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: allen X-Patchwork-Id: 203637 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46567C10F27 for ; Mon, 9 Mar 2020 06:41:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1D1CE20674 for ; Mon, 9 Mar 2020 06:41:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725942AbgCIGly (ORCPT ); Mon, 9 Mar 2020 02:41:54 -0400 Received: from 60-251-196-230.HINET-IP.hinet.net ([60.251.196.230]:13853 "EHLO ironport.ite.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726165AbgCIGly (ORCPT ); Mon, 9 Mar 2020 02:41:54 -0400 Received: from unknown (HELO mse.ite.com.tw) ([192.168.35.30]) by ironport.ite.com.tw with ESMTP; 09 Mar 2020 14:32:18 +0800 Received: from CSBMAIL1.internal.ite.com.tw (csbmail1.internal.ite.com.tw [192.168.65.58]) by mse.ite.com.tw with ESMTP id 0296WEba084518; Mon, 9 Mar 2020 14:32:14 +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, 9 Mar 2020 14:32:13 +0800 From: allen CC: Allen Chen , Pi-Hsun Shih , Jau-Chih Tseng , David Airlie , Daniel Vetter , Rob Herring , Sam Ravnborg , "open list:DRM DRIVERS" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , open list Subject: [PATCH v7 2/3] dt-bindings: Add binding for IT6505. Date: Mon, 9 Mar 2020 14:26:48 +0800 Message-ID: <1583735298-19266-3-git-send-email-allen.chen@ite.com.tw> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1583735298-19266-1-git-send-email-allen.chen@ite.com.tw> References: <1583735298-19266-1-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: F351ED894EE5A692B64384CA44EDD5D7EA126AF933AE369DAD1C86F7341D30412000:8 X-MAIL: mse.ite.com.tw 0296WEba084518 To: unlisted-recipients:; (no To-header on input) Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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 | 96 ++++++++++++++++++++++ 1 file changed, 96 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..e9f6b58 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml @@ -0,0 +1,96 @@ +# 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: + - | + #include + + i2c3 { + #address-cells = <1>; + #size-cells = <0>; + + dp-bridge@5c { + compatible = "ite,it6505"; + interrupts = <152 IRQ_TYPE_EDGE_FALLING 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>; + }; + }; + }; + };