From patchwork Mon Jul 27 16:46:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 11687781 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0E2C91575 for ; Mon, 27 Jul 2020 23:33:00 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E01B920809 for ; Mon, 27 Jul 2020 23:32:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=crapouillou.net header.i=@crapouillou.net header.b="XIm9XgIA" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E01B920809 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=crapouillou.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 033D86E0CE; Mon, 27 Jul 2020 23:32:43 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from crapouillou.net (crapouillou.net [89.234.176.41]) by gabe.freedesktop.org (Postfix) with ESMTPS id D2A7A89CE0 for ; Mon, 27 Jul 2020 16:46:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1595868389; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=mA0DRhoXYfyoP4lmizj2glYU71M+JBHynLFFki0MJG8=; b=XIm9XgIArDbF4XmISOig7RvqAcx2s2zsdQ/st5sKUc3lnzQLwZGgWB2dnrlViJ29MyFxjH 5++A+qejU3P8LvWhrRnc1te9rNuHOWdv4oO1kS01RJ137rB8EVNyTYPnqe+bEkzlOkgHez D2mA/+gq9Eovh2JDYJochFF/yY3rK0k= From: Paul Cercueil To: Thierry Reding , Sam Ravnborg , David Airlie , Daniel Vetter , Rob Herring , Andrzej Hajda , Neil Armstrong , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , =?utf-8?q?Noralf_Tr=C3=B8nnes?= Subject: [PATCH 1/6] dt-bindings: display: Document NewVision NV3052C DT node Date: Mon, 27 Jul 2020 18:46:08 +0200 Message-Id: <20200727164613.19744-2-paul@crapouillou.net> In-Reply-To: <20200727164613.19744-1-paul@crapouillou.net> References: <20200727164613.19744-1-paul@crapouillou.net> MIME-Version: 1.0 X-Mailman-Approved-At: Mon, 27 Jul 2020 23:32:42 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paul Cercueil , devicetree@vger.kernel.org, od@zcrc.me, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add documentation for the Device Tree node for LCD panels based on the NewVision NV3052C controller. Signed-off-by: Paul Cercueil --- .../display/panel/newvision,nv3052c.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/newvision,nv3052c.yaml diff --git a/Documentation/devicetree/bindings/display/panel/newvision,nv3052c.yaml b/Documentation/devicetree/bindings/display/panel/newvision,nv3052c.yaml new file mode 100644 index 000000000000..751a28800fc2 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/newvision,nv3052c.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/newvision,nv3052c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NewVision NV3052C TFT LCD panel driver with SPI control bus + +maintainers: + - Paul Cercueil + +description: | + This is a driver for 320x240 TFT panels, accepting a variety of input + streams that get adapted and scaled to the panel. The panel output has + 960 TFT source driver pins and 240 TFT gate driver pins, VCOM, VCOML and + VCOMH outputs. + + The panel must obey the rules for a SPI slave device as specified in + spi/spi-controller.yaml + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + items: + - enum: + - leadtek,ltk035c5444t-spi + + - const: newvision,nv3052c + + reg: + maxItems: 1 + + reset-gpios: true + port: true + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + #include + spi { + #address-cells = <1>; + #size-cells = <0>; + + display@0 { + compatible = "leadtek,ltk035c5444t-spi", "newvision,nv3052c"; + reg = <0>; + + spi-max-frequency = <15000000>; + spi-3wire; + reset-gpios = <&gpe 2 GPIO_ACTIVE_LOW>; + backlight = <&backlight>; + power-supply = <&vcc>; + + port { + panel_input: endpoint { + remote-endpoint = <&panel_output>; + }; + }; + }; + }; + +...