From patchwork Sun Nov 19 20:12:06 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 839352 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="Id+lcW6d"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3yg31q1wlpz9s83 for ; Mon, 20 Nov 2017 07:13:03 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751173AbdKSUMU (ORCPT ); Sun, 19 Nov 2017 15:12:20 -0500 Received: from vern.gendns.com ([206.190.152.46]:46678 "EHLO vern.gendns.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751149AbdKSUMS (ORCPT ); Sun, 19 Nov 2017 15:12:18 -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=bF74RsXSvlxThyfOaSd/9FdJBhxrBBhXPYoR1bMxHm0=; b=Id+lcW6dsBr2wC0kx7eNqjmzO 5JlfWHN/NrtGR2KSceDyS8E92jWN2fHC2SVm+0pUjZ2JgVBIfYohW4Tt5lFenftErDEa+wSSdFoO0 3Ye/soWFgCJY5rnY1F3J5QCF+T6qGJdaVa+ttrhNtw8UqySoaxm2dNqkx6G32/yqM9f2zC0Qxn++V TYJHzSlCo4VnJ3gVdmgjvjUWpZwxN3pL8Dscnfm6saTHi7uDNX1nzwMaacCssjYOnbEXJLPehuUuD v87H/qW5ZNK7s1KmepJPBsAh4UAwKY7rTHBa0N6UAoYRe/DvlN2T5U5Y8W9JXU5IpnufcJH60Xeh0 6ymAxILsA==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:45422 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.89) (envelope-from ) id 1eGVvm-001Hss-OM; Sun, 19 Nov 2017 15:11:06 -0500 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 , linux-kernel@vger.kernel.org Subject: [PATCH v2 2/4] dt-bindings: Add binding for Ilitek ILI9225 display panels Date: Sun, 19 Nov 2017 14:12:06 -0600 Message-Id: <1511122328-31133-3-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1511122328-31133-1-git-send-email-david@lechnology.com> References: <1511122328-31133-1-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 binding for display panels that use an Ilitek ILI9225 controller. The "ilitek,ili9225-2.2in-176x220" device listed has no identification markings whatsoever and an hour of googling turned up nothing, hence the use of the size and resolution in the name instead of a model name. An example of this nameless device can be found at: https://github.com/Nkawu/TFT_22_ILI9225 Signed-off-by: David Lechner Acked-by: Rob Herring --- v2 changes: * renamed compatible string based on feedback .../devicetree/bindings/display/ilitek,ili9225.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/ilitek,ili9225.txt diff --git a/Documentation/devicetree/bindings/display/ilitek,ili9225.txt b/Documentation/devicetree/bindings/display/ilitek,ili9225.txt new file mode 100644 index 0000000..21607a5 --- /dev/null +++ b/Documentation/devicetree/bindings/display/ilitek,ili9225.txt @@ -0,0 +1,25 @@ +Ilitek ILI9225 display panels + +This binding is for display panels using an Ilitek ILI9225 controller in SPI +mode. + +Required properties: +- compatible: "ilitek,ili9225-2.2in-176x220" +- rs-gpios: Register select signal +- 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) + +Example: + display@0{ + compatible = "ilitek,ili9225-2.2in-176x220"; + reg = <0>; + spi-max-frequency = <12000000>; + rs-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>; + rotation = <270>; + };