From patchwork Mon Aug 7 17:39:38 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 798803 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="UL2CySTN"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3xR4Zh23Gnz9s76 for ; Tue, 8 Aug 2017 03:41:16 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752046AbdHGRk7 (ORCPT ); Mon, 7 Aug 2017 13:40:59 -0400 Received: from vern.gendns.com ([206.190.152.46]:54050 "EHLO vern.gendns.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752010AbdHGRkA (ORCPT ); Mon, 7 Aug 2017 13:40:00 -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=tsko7a6vqbnvhPaoxRehjHG2Qog9tNFp9GpFDJjuANo=; b=UL2CySTNW6W3ZKQp07nnjvWXd LxdArYupsaI7QA0OqP08yJPbhLz8W+3LnwH6O6KQ4w7HpRl6GKlf78KbH1srhofNAexJ6blWfN/Mp yRq6vHDhhiFOyNspUtTbtxv8fNT/YKyQ4XPOsxe/Rbk0LvMC3TklyRO58XUwf1U22b/eIPdPhiOu7 IoE6/cMY9y32ervHMRm+zFHZ9vbLujUEVT4kOajzgGgaQ0jo0MAKYmYQjzPuW9CN4fseKaWAaVsyL OGMD0vS0+hMN9TDMZPNkoCfugVmG2LhdkUKAVrtsFC8BuglC4bh8vZ2Gslv0LL+GjFWTR3rdzKzlo mpIWHukbg==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:59392 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.89) (envelope-from ) id 1delxd-000May-VZ; Mon, 07 Aug 2017 13:37:02 -0400 From: David Lechner To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org Cc: David Lechner , =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= , Daniel Vetter , David Airlie , Rob Herring , Mark Rutland , Sekhar Nori , Kevin Hilman , Laurent Pinchart , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 2/5] dt-bindings: add binding for Sitronix ST7586 display panels Date: Mon, 7 Aug 2017 12:39:38 -0500 Message-Id: <1502127581-10517-3-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1502127581-10517-1-git-send-email-david@lechnology.com> References: <1502127581-10517-1-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 Sitronix ST7586 display panels. Using lego as the vendor prefix in the compatible string because the display panel I am working with is an integral part of the LEGO MINDSTORMS EV3. Signed-off-by: David Lechner Acked-by: Rob Herring --- v4 changes: * Dropped optional properties and only use pins actually used on LEGO EV3. * Rename dc to a0 since that is what is on the datasheet/LEGO schematic. .../bindings/display/sitronix,st7586.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/sitronix,st7586.txt diff --git a/Documentation/devicetree/bindings/display/sitronix,st7586.txt b/Documentation/devicetree/bindings/display/sitronix,st7586.txt new file mode 100644 index 0000000..1d0dad1 --- /dev/null +++ b/Documentation/devicetree/bindings/display/sitronix,st7586.txt @@ -0,0 +1,22 @@ +Sitronix ST7586 display panel + +Required properties: +- compatible: "lego,ev3-lcd". +- a0-gpios: The A0 signal (since this binding is for serial mode, this is + the pin labeled D1 on the controller, not the pin labeled A0) +- 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 = "lego,ev3-lcd"; + reg = <0>; + spi-max-frequency = <10000000>; + a0-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>; + };