From patchwork Fri Apr 13 05:23:01 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sandeep Panda X-Patchwork-Id: 897839 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=codeaurora.org header.i=@codeaurora.org header.b="mOKhHOIv"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="MhMeb7Tq"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 40MmQY51hNz9s15 for ; Fri, 13 Apr 2018 15:23:33 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751299AbeDMFXc (ORCPT ); Fri, 13 Apr 2018 01:23:32 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:48424 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751162AbeDMFXb (ORCPT ); Fri, 13 Apr 2018 01:23:31 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 72C93602BC; Fri, 13 Apr 2018 05:23:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1523597011; bh=JIbjncucGpIrs+gAhi09EFxOgDb1mdX4aaH56QCdf/g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mOKhHOIvn/nFYLHfhHhwgyqxBJKKJx4DeKRAYv5bdckiH5+19JVhLwresuX1giUur ja69QLc2lIpPFRKINTRQgFDmUaKtGuUSPoD9RgOw34pz7j91ZH7Ei6S4HVkdvWZW9z vXfDxkAqgi3RnX0T0Eb/HRSU08oBVapHosMWPSV0= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_SIGNED, T_DKIM_INVALID autolearn=no autolearn_force=no version=3.4.0 Received: from spanda-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: spanda@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 97FC160F6C; Fri, 13 Apr 2018 05:23:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1523597010; bh=JIbjncucGpIrs+gAhi09EFxOgDb1mdX4aaH56QCdf/g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MhMeb7TqLcIlky6CI1RL4AcQvvEEkXavVRnn3BbMoDTDfY05TDgUeWDDO2w36tTth COsiJFPrVy755GUT99aeqshXhyB/PUsGdvbIEBFlA7j0D0NNC1FTRixGJ+uCFw5VxO SDNfENyRarXF7xR7O1OpVsApkUrWHftZ+DRWfOnA= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 97FC160F6C Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=spanda@codeaurora.org From: Sandeep Panda To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Cc: Sandeep Panda , robdclark@gmail.com, seanpaul@chromium.org, hoegsberg@chromium.org, ryadav@codeaurora.org, abhinavk@codeaurora.org, jsanka@codeaurora.org, chandanu@codeaurora.org, nganji@codeaurora.org Subject: [[RFC]DPU PATCH 2/2] dt-bindings: drm/bridge: Document sn65dsi86 bridge bindings Date: Fri, 13 Apr 2018 10:53:01 +0530 Message-Id: <1523596981-18913-3-git-send-email-spanda@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1523596981-18913-1-git-send-email-spanda@codeaurora.org> References: <1523596981-18913-1-git-send-email-spanda@codeaurora.org> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Document the bindings used for the sn65dsi86 DSI to eDP bridge. Signed-off-by: Sandeep Panda --- .../bindings/display/bridge/ti,sn65dsi86.txt | 75 ++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.txt diff --git a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.txt b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.txt new file mode 100644 index 0000000..cbd2f0e --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.txt @@ -0,0 +1,75 @@ +SN65DSI86 DSI to eDP bridge chip +-------------------------------- + +This is the binding for Texas Instruments SN65DSI86 bridge. + +Required properties: +- compatible: Must be "ti,sn65dsi86" +- reg: i2c address of the chip, 0x2d as per datasheet +- enable-gpios: OF device-tree gpio specification for EDP_BRIJ_EN pin +- aux-sda-gpios: OF device-tree gpio specification for EDP_BRIJ_I2C_SDA pin of AUX channel +- aux-scl-gpios: OF device-tree gpio specification for EDP_BRIJ_I2C_SCL pin of AUX channel +- bias-en-gpios: OF device-tree gpio specification for EN_PP3300_DX_EDP pin to + enable 3.3V supply to eDP connector +- bklt-en-gpios: OF device-tree gpio specification for AP_EDP_BKLTEN pin + +- vccio-supply: A 1.8V supply that powers up the PHY. +- vcca-supply: A 1.2V supply that powers up the Controller. +- vccs-supply: A 3.3V supply that power the eDP connector + +Optional properties: + +- irq-gpios: OF device-tree gpio specification for interrupt pin +- bklt-ctrl-gpios: OF device-tree gpio specification for EDP_BKLTCTL pin + +- sn,is-pluggable: boolean property to specify if HPD supported or not +- sn,custom-modes: OF device-tree specifiction to add support for custom modes + +Required nodes: + +This device has two video ports. Their connections are modelled using the OF +graph bindings specified in Documentation/devicetree/bindings/graph.txt. + +- Video port 0 for DSI input +- Video port 1 for eDP output + +Example +------- + +edp-bridge@2d { + compatible = "ti,sn65dsi86"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x2d>; + + enable-gpios = <&msmgpio 33 GPIO_ACTIVE_HIGH>; + aux-sda-gpios = <&msmgpio 34 GPIO_ACTIVE_HIGH>; + aux-scl-gpios = <&msmgpio 35 GPIO_ACTIVE_HIGH>; + bias-en-gpios = <&msmgpio 36 GPIO_ACTIVE_HIGH>; + bklt-en-gpios = <&msmgpio 37 GPIO_ACTIVE_HIGH>; + + vccio-supply = <&pm8916_l17>; + vcca-supply = <&pm8916_l6>; + vccs-supply = <&pm8916_l7>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + edp_bridge_in: endpoint { + remote-endpoint = <&dsi_out>; + }; + }; + + port@1 { + reg = <1>; + + edp_bridge_out: endpoint { + remote-endpoint = <&edp_panel_in>; + }; + }; + }; +}