From patchwork Tue May 14 16:02:30 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Torsten Duwe X-Patchwork-Id: 1099590 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=lst.de Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 453MsZ1Tf8z9sMQ for ; Wed, 15 May 2019 02:02:58 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726174AbfENQCw (ORCPT ); Tue, 14 May 2019 12:02:52 -0400 Received: from verein.lst.de ([213.95.11.211]:46627 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725916AbfENQCv (ORCPT ); Tue, 14 May 2019 12:02:51 -0400 Received: by newverein.lst.de (Postfix, from userid 2005) id CD70468BFE; Tue, 14 May 2019 18:02:30 +0200 (CEST) From: Torsten Duwe To: David Airlie , Daniel Vetter , Rob Herring , Mark Rutland , Thierry Reding , Maxime Ripard , Chen-Yu Tsai , Archit Taneja , Andrzej Hajda , Laurent Pinchart , Icenowy Zheng , Sean Paul , Vasily Khoruzhick , Harald Geyer Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/4] dt-bindings: Add ANX6345 DP/eDP transmitter binding References: <20190514155911.6C0AC68B05@newverein.lst.de> Message-Id: <20190514160230.CD70468BFE@newverein.lst.de> Date: Tue, 14 May 2019 18:02:30 +0200 (CEST) Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Icenowy Zheng The ANX6345 is an ultra-low power DisplayPort/eDP transmitter designed for portable devices. Add a binding document for it. Signed-off-by: Icenowy Zheng Signed-off-by: Vasily Khoruzhick Reviewed-by: Rob Herring Signed-off-by: Torsten Duwe --- originally: patchwork.kernel.org/patch/10814177 All I did is change the reset polarity, which is evidently active low; according to the (terse) datasheet. It matches the polarity in the last patch. --- .../bindings/display/bridge/anx6345.txt | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/anx6345.txt diff --git a/Documentation/devicetree/bindings/display/bridge/anx6345.txt b/Documentation/devicetree/bindings/display/bridge/anx6345.txt new file mode 100644 index 000000000000..e79a11348d11 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/anx6345.txt @@ -0,0 +1,56 @@ +Analogix ANX6345 eDP Transmitter +-------------------------------- + +The ANX6345 is an ultra-low power Full-HD eDP transmitter designed for +portable devices. + +Required properties: + + - compatible : "analogix,anx6345" + - reg : I2C address of the device + - reset-gpios : Which GPIO to use for reset + +Optional properties: + + - dvdd12-supply : Regulator for 1.2V digital core power. + - dvdd25-supply : Regulator for 2.5V digital core power. + - Video ports for RGB input and eDP output using the DT bindings + defined in [1] + +[1]: Documentation/devicetree/bindings/media/video-interfaces.txt + +Example: + +anx6345: anx6345@38 { + compatible = "analogix,anx6345"; + reg = <0x38>; + reset-gpios = <&pio 3 24 GPIO_ACTIVE_LOW>; /* PD24 */ + dvdd25-supply = <®_dldo2>; + dvdd12-supply = <®_fldo1>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + anx6345_in: port@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + anx6345_in_tcon0: endpoint@0 { + reg = <0>; + remote-endpoint = <&tcon0_out_anx6345>; + }; + }; + + anx6345_out: port@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + + anx6345_out_panel: endpoint@0 { + reg = <0>; + remote-endpoint = <&panel_in_edp>; + }; + }; + }; +};