From patchwork Mon Dec 9 14:50:13 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsin-Yi Wang X-Patchwork-Id: 1206317 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) 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=pass (p=none dis=none) header.from=chromium.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=chromium.org header.i=@chromium.org header.b="FoiOPgQc"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47WmNq4Qrmz9sP6 for ; Tue, 10 Dec 2019 01:51:39 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726310AbfLIOvi (ORCPT ); Mon, 9 Dec 2019 09:51:38 -0500 Received: from mail-pg1-f195.google.com ([209.85.215.195]:42462 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726783AbfLIOvi (ORCPT ); Mon, 9 Dec 2019 09:51:38 -0500 Received: by mail-pg1-f195.google.com with SMTP id s64so527769pgb.9 for ; Mon, 09 Dec 2019 06:51:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=cGLkt56MhFh8o5EiPOGN5Gs/bQLSYtcgRKiESMUAAEg=; b=FoiOPgQcYmkXm/tZqxmuOTlheNX0AgdOI/2MZIVoyVaDZ2omAlNpvjC5J7UkXZjHkN w/FEIk9KLjFC9aKhMHaRz6mznpSflD0o8I0Gq9L9AKEzN5+Ft6j7taGzy5nEO8JDQzdE SXjPxv1lzNd1yp0r/THRyWzyCzs5KLo3RQEv8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cGLkt56MhFh8o5EiPOGN5Gs/bQLSYtcgRKiESMUAAEg=; b=bCkwcCaJ04w8dfaPawzglhVoNeMQFDVHSopXbSgn2Ct5AuFsBhWz97inDyD8fr0wt9 1QksHcubpVvjZSZAate3Mw7m66c1XTMkWsirmeA7yqk086goxkqnn2GZWHP+GlgUB4IP 1enSqHRSKMF1nlCEYcm9Jb+C/wti4s09itfKzqnjuMOabZ0CSaIPJpdFC++fNyT8iX32 uY4ZkEGDCjB8e4yz15s1O1NhUTooCwK4W/ZmWNmLV1tFJMIHKCHEYfb+l8I74cKd4MqN FuUlEChFsM4wkVusxBQE+R99n1eV6V9i9/aO36Js2ekqOXf626CNpf0zSxcdQCqwbgYR OUZg== X-Gm-Message-State: APjAAAVpiBD6jpKmOt6vqDwbecBgv2HqW+HeHsRdgN1dqeRUgLAFr/M7 xaX79kdutj0p/1cRfMeN99rqAg== X-Google-Smtp-Source: APXvYqwdFN4BDi6/3J9nybGN70nDZ2haqNMPr+4STLfU6yafWcXmeyYw7k9dIphwuYdoFrfoWNCktQ== X-Received: by 2002:a63:93:: with SMTP id 141mr18975594pga.411.1575903097523; Mon, 09 Dec 2019 06:51:37 -0800 (PST) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:b852:bd51:9305:4261]) by smtp.gmail.com with ESMTPSA id k16sm29143119pfh.97.2019.12.09.06.51.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Dec 2019 06:51:37 -0800 (PST) From: Hsin-Yi Wang To: dri-devel@lists.freedesktop.org Cc: David Airlie , Daniel Vetter , Rob Herring , Mark Rutland , Nicolas Boichat , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Andrzej Hajda , Neil Armstrong , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Archit Taneja , p.zabel@pengutronix.de, Enric Balletbo i Serra , Matthias Brugger , Russell King Subject: [PATCH RESEND 1/4] dt-bindings: drm/bridge: analogix-anx7688: Add ANX7688 transmitter binding Date: Mon, 9 Dec 2019 22:50:13 +0800 Message-Id: <20191209145016.227784-2-hsinyi@chromium.org> X-Mailer: git-send-email 2.24.0.393.g34dc348eaf-goog In-Reply-To: <20191209145016.227784-1-hsinyi@chromium.org> References: <20191209145016.227784-1-hsinyi@chromium.org> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Nicolas Boichat Add support for analogix,anx7688 Signed-off-by: Nicolas Boichat Signed-off-by: Hsin-Yi Wang --- .../bindings/display/bridge/anx7688.txt | 32 +++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/anx7688.txt diff --git a/Documentation/devicetree/bindings/display/bridge/anx7688.txt b/Documentation/devicetree/bindings/display/bridge/anx7688.txt new file mode 100644 index 000000000000..78b55bdb18f7 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/anx7688.txt @@ -0,0 +1,32 @@ +Analogix ANX7688 SlimPort (Single-Chip Transmitter for DP over USB-C) +--------------------------------------------------------------------- + +The ANX7688 is a single-chip mobile transmitter to support 4K 60 frames per +second (4096x2160p60) or FHD 120 frames per second (1920x1080p120) video +resolution from a smartphone or tablet with full function USB-C. + +This binding only describes the HDMI to DP display bridge. + +Required properties: + + - compatible : "analogix,anx7688" + - reg : I2C address of the device (fixed at 0x2c) + +Optional properties: + + - Video port for HDMI input, using the DT bindings defined in [1]. + +[1]: Documentation/devicetree/bindings/media/video-interfaces.txt + +Example: + + anx7688: anx7688@2c { + compatible = "analogix,anx7688"; + reg = <0x2c>; + + port { + anx7688_in: endpoint { + remote-endpoint = <&hdmi0_out>; + }; + }; + }; From patchwork Mon Dec 9 14:50:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsin-Yi Wang X-Patchwork-Id: 1206318 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) 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=pass (p=none dis=none) header.from=chromium.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=chromium.org header.i=@chromium.org header.b="XogCXVx2"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47WmP01CNlz9sR0 for ; Tue, 10 Dec 2019 01:51:48 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726783AbfLIOvr (ORCPT ); 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Some SoC (eg. mt8173) have a hardware mux that connects to 2 ports: anx7688 and hdmi. When the GPIO is active, the bridge is bypassed. Signed-off-by: Hsin-Yi Wang --- .../bindings/display/bridge/anx7688.txt | 40 ++++++++++++++++++- 1 file changed, 39 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/display/bridge/anx7688.txt b/Documentation/devicetree/bindings/display/bridge/anx7688.txt index 78b55bdb18f7..44185dcac839 100644 --- a/Documentation/devicetree/bindings/display/bridge/anx7688.txt +++ b/Documentation/devicetree/bindings/display/bridge/anx7688.txt @@ -15,10 +15,13 @@ Required properties: Optional properties: - Video port for HDMI input, using the DT bindings defined in [1]. + - bypass-gpios : External GPIO. If this GPIO is active, we assume + the bridge is bypassed (e.g. by a mux). + - pinctrl-0, pinctrl-names: the pincontrol settings to configure bypass GPIO. [1]: Documentation/devicetree/bindings/media/video-interfaces.txt -Example: +Example 1: anx7688: anx7688@2c { compatible = "analogix,anx7688"; @@ -30,3 +33,38 @@ Example: }; }; }; + +Example 2: + + anx7688: anx7688@2c { + compatible = "analogix,anx7688"; + status = "okay"; + reg = <0x2c>; + ddc-i2c-bus = <&hdmiddc0>; + + bypass-gpios = <&pio 36 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&hdmi_mux_pins>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { /* input */ + reg = <0>; + + anx7688_in: endpoint { + remote-endpoint = <&hdmi_out_anx>; + }; + }; + + port@1 { /* output */ + reg = <1>; + + anx7688_out: endpoint { + remote-endpoint = <&hdmi_connector_in>; + }; + }; + }; + }; +