From patchwork Fri May 25 19:36:22 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 920749 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=lechnology.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=lechnology.com header.i=@lechnology.com header.b="vtKB0z7s"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 40sxNm4l0Dz9s0w for ; Sat, 26 May 2018 05:37:44 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S968200AbeEYTh2 (ORCPT ); Fri, 25 May 2018 15:37:28 -0400 Received: from vern.gendns.com ([206.190.152.46]:48892 "EHLO vern.gendns.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967698AbeEYThC (ORCPT ); Fri, 25 May 2018 15:37:02 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lechnology.com; s=default; h=References:In-Reply-To:Message-Id:Date:Subject :Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=CFMgAE3DF/HHGbdCzvqqXmAMteoXrfOjBN6LIxTQoS4=; b=vtKB0z7sx90b9e/cLnd+bq1K6 gbk4SWSDbw8jmFYPXKXUIoGYs92dmGC1CdlWFGmWz4WLMssUad6yA1DijhirLkqM283XT/QbrFfja 9E9WSePN5mcgxSl1CoF98yGvH1aHGekh1FaS8oDBouVfklAm8xwLqVUBv+F9Prb+/kUsm7GyfLcjm a62lKF8gbE1AefegJVz2bmogECwmuoRPSJulnUEyUTHp1i0J1i/hIufkSrs+eTVq2RvtwSDtn2+vJ G2Q9awQMV0nYAh5xLWrj/M0fcbywWVp70yGM1y+mblZwz9/btlGwT6moIMdcKEDRwp39qR22oYKGW phVCe9rLA==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:46614 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.89_1) (envelope-from ) id 1fMIWK-009ec8-WB; Fri, 25 May 2018 15:37:01 -0400 From: David Lechner To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org Cc: David Lechner , =?utf-8?q?Noralf_Tr=C3=B8nnes?= , Rob Herring , Mark Rutland , limor@ladyada.net, Nitin Patil , linux-kernel@vger.kernel.org Subject: [PATCH v2 3/4] dt-bindings: new binding for Ilitek ILI9341 display panels Date: Fri, 25 May 2018 14:36:22 -0500 Message-Id: <20180525193623.15533-4-david@lechnology.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180525193623.15533-1-david@lechnology.com> References: <20180525193623.15533-1-david@lechnology.com> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This adds a new binding for Ilitek ILI9341 display panels. It includes a compatible string for one display (more can be added in the future). The vendor prefix "noname" is used because the vendor is not known. The YX240QV29-T panel[1] is found, for example, in an Adafruit breakout board[2] and in Mindsensors' PiStorms[3]. [1]: https://cdn-learn.adafruit.com/assets/assets/000/046/879/original/SPEC-YX240QV29-T_Rev.A__1_.pdf [2]: https://www.adafruit.com/product/2478 [3]: http://www.mindsensors.com/stem-with-robotics/13-pistorms-v2-base-kit-raspberry-pi-brain-for-lego-robot Signed-off-by: David Lechner Reviewed-by: Rob Herring --- .../bindings/display/ilitek,ili9341.txt | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/ilitek,ili9341.txt diff --git a/Documentation/devicetree/bindings/display/ilitek,ili9341.txt b/Documentation/devicetree/bindings/display/ilitek,ili9341.txt new file mode 100644 index 000000000000..169b32e4ee4e --- /dev/null +++ b/Documentation/devicetree/bindings/display/ilitek,ili9341.txt @@ -0,0 +1,27 @@ +Ilitek ILI9341 display panels + +This binding is for display panels using an Ilitek ILI9341 controller in SPI +mode. + +Required properties: +- compatible: "adafruit,yx240qv29", "ilitek,ili9341" +- dc-gpios: D/C pin +- reset-gpios: Reset pin + +The node for this driver must be a child node of a SPI controller, hence +all mandatory properties described in ../spi/spi-bus.txt must be specified. + +Optional properties: +- rotation: panel rotation in degrees counter clockwise (0,90,180,270) +- backlight: phandle of the backlight device attached to the panel + +Example: + display@0{ + compatible = "adafruit,yx240qv29", "ilitek,ili9341"; + reg = <0>; + spi-max-frequency = <32000000>; + dc-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>; + rotation = <270>; + backlight = <&backlight>; + };