From patchwork Wed Nov 29 03:01:08 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 842419 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; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=lechnology.com header.i=@lechnology.com header.b="h7nFdhi1"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3ymlfl2p54z9s83 for ; Wed, 29 Nov 2017 14:01:19 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752920AbdK2DBP (ORCPT ); Tue, 28 Nov 2017 22:01:15 -0500 Received: from vern.gendns.com ([206.190.152.46]:57545 "EHLO vern.gendns.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752481AbdK2DBO (ORCPT ); Tue, 28 Nov 2017 22:01:14 -0500 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=iDTTEHaTaEWMEj/8lE78vEJkTeesFD/nA4n4LhMf0+E=; b=h7nFdhi1j0tpT8j0PVWPT1gba U00WuPnj7lpatQaKJvIU3xDcXpckzeTrxoPSAGGV39vwU/B55lch/miJI7MVJbdbYii6Ff4bWyjAT Rupz9oZYRvM1iXm8XkEXjLqkb5nfO/v6MkZtOBa44AkOO3CN9VNxWNGEqteI+3uJKv8g/XLEv6XSC 5bPzoEWPCdAFn3DmDhcEKvqGsRU9lUDWQlRU8F2jixScTU+pVvQaq+RtaZuglwGpKPpa1H43KjdQu va6Ppw5x36Y6BD6BOiOrsQ4kpVd9P8r8HjBYOLIONzyOTKaBn5lGiqkE3KXyC03d7Aq3oTtLVTcFa 3g79wWtWQ==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:41628 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.89) (envelope-from ) id 1eJsbD-003wuv-Py; Tue, 28 Nov 2017 21:59:48 -0500 From: David Lechner To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org Cc: David Lechner , =?utf-8?q?Noralf_Tr=C3=B8nnes?= , limor@ladyada.net, Rob Herring , Mark Rutland , linux-kernel@vger.kernel.org Subject: [PATCH v1 1/2] dt-bindings: Add binding for Sitronix ST7735R display panels Date: Tue, 28 Nov 2017 21:01:08 -0600 Message-Id: <1511924469-11448-2-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1511924469-11448-1-git-send-email-david@lechnology.com> References: <1511924469-11448-1-git-send-email-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 device tree binding for Sitronix ST7735R display panels, such as the Adafruit 1.8" TFT. Signed-off-by: David Lechner Acked-by: Rob Herring --- .../bindings/display/sitronix,st7735r.txt | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/sitronix,st7735r.txt diff --git a/Documentation/devicetree/bindings/display/sitronix,st7735r.txt b/Documentation/devicetree/bindings/display/sitronix,st7735r.txt new file mode 100644 index 0000000..bbb8ba6 --- /dev/null +++ b/Documentation/devicetree/bindings/display/sitronix,st7735r.txt @@ -0,0 +1,35 @@ +Sitronix ST7735R display panels + +This binding is for display panels using a Sitronix ST7735R controller in SPI +mode. + +Required properties: +- compatible: "sitronix,st7735r-jd-t18003-t01" +- dc-gpios: Display data/command selection (D/CX) +- reset-gpios: Reset signal (RSTX) + +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: + + backlight: backlight { + compatible = "gpio-backlight"; + gpios = <&gpio 44 GPIO_ACTIVE_HIGH>; + } + + ... + + display@0{ + compatible = "sitronix,st7735r-jd-t18003-t01"; + reg = <0>; + spi-max-frequency = <32000000>; + dc-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>; + rotation = <270>; + backlight = &backlight; + };