From patchwork Mon Jan 1 19:02:15 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 10139209 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id AA50D60362 for ; Mon, 1 Jan 2018 19:02:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9D89C285C4 for ; Mon, 1 Jan 2018 19:02:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 926E62875C; Mon, 1 Jan 2018 19:02:38 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 51D3C285C4 for ; Mon, 1 Jan 2018 19:02:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 06DD889819; Mon, 1 Jan 2018 19:02:37 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from vern.gendns.com (vern.gendns.com [206.190.152.46]) by gabe.freedesktop.org (Postfix) with ESMTPS id AA62389819 for ; Mon, 1 Jan 2018 19:02:35 +0000 (UTC) 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=ItnWuIjh7sKXQHkdu3Jun4xdOzvQjCpdCr/w4a1jaCI=; b=UIbWPqCh1jM+BYi08JR95nu8Z 6iS4pc47lwbugG7GUaZjf+171pBoqAYS6nf6exVcZlWi9WaZbIY2wwdzHopfkmVIE/DQUGgMdqqq9 tkpkxMemUBYZIb8WYf8csDkUBBkA9OO9AFvrOmLMrlRh6BARvwRnZLWt7dtskcf+fj/eMUmGsK7pd ycjwzrJmFQOeGpAUNos7hAKGgV32K2nUFfOnWu+/4RKARs4K4taMMXzoEQVNZ8zcNt1FI2sP5qwBc 3fTImdXNbVbqdQnh+rjLPtWObZb8eDnGddL6ctzMtmvJphi4sroSZYsmcO2YhLKHGv1hE4eIjE2H5 hegndeFDA==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:34304 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.89) (envelope-from ) id 1eW5Jj-001UBm-AD; Mon, 01 Jan 2018 14:00:11 -0500 From: David Lechner To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org Subject: [PATCH v4 2/3] dt-bindings: Add binding for Sitronix ST7735R display panels Date: Mon, 1 Jan 2018 13:02:15 -0600 Message-Id: <1514833336-22564-3-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1514833336-22564-1-git-send-email-david@lechnology.com> References: <1514833336-22564-1-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 - lists.freedesktop.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: Cc: Mark Rutland , limor@ladyada.net, David Lechner , linux-kernel@vger.kernel.org, Rob Herring X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP This adds a new device tree binding for Sitronix ST7735R display panels, such as the Adafruit 1.8" TFT. Signed-off-by: David Lechner Reviewed-by: Rob Herring Reviewed-by: Linus Walleij --- v4 changes: * none v3 changes: * compatible string is changed from "sitronix,st7735r-jd-t18003-t01" to "jianda,jd-t18003-t01", "sitronix,st7735r" v2 changes: * none .../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..f0a5090 --- /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: "jianda,jd-t18003-t01", "sitronix,st7735r" +- 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 = "jianda,jd-t18003-t01", "sitronix,st7735r"; + reg = <0>; + spi-max-frequency = <32000000>; + dc-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>; + rotation = <270>; + backlight = &backlight; + };