From patchwork Thu Jun 20 13:47:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Ond=C5=99ej_Jirman?= X-Patchwork-Id: 1119462 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; dmarc=pass (p=reject dis=none) header.from=megous.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=megous.com header.i=@megous.com header.b="svueeyeb"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45V37816MQz9sNy for ; Thu, 20 Jun 2019 23:48:19 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732086AbfFTNrz (ORCPT ); Thu, 20 Jun 2019 09:47:55 -0400 Received: from vps.xff.cz ([195.181.215.36]:36198 "EHLO vps.xff.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726391AbfFTNry (ORCPT ); Thu, 20 Jun 2019 09:47:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megous.com; s=mail; t=1561038473; bh=1WLK5mVFKFuv1g4gs40+VCmjvdPbojsyFq5tU/7xRNw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=svueeyeboGX9r7VcaCtB9qn8TWZCNBYJyBCgsuZcn5ttxs0cqtSZkKZpwQAaTpZRv g3wM6EY4kBdAXwWTSsKCjYQncRqQ5amzABcvfxGYM/SoUvYhw/0al+x6t3TVv2n4Qx sJinn6G3EW0MiPrGlke0PEtPbwLEMTPTcU8fn4EE= From: megous@megous.com To: linux-sunxi@googlegroups.com, Maxime Ripard , Chen-Yu Tsai , Rob Herring , =?utf-8?q?Jernej_=C5=A0krabec?= Cc: Ondrej Jirman , David Airlie , Daniel Vetter , Mark Rutland , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Maxime Coquelin , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, Rob Herring Subject: [PATCH v7 4/6] dt-bindings: display: hdmi-connector: Support DDC bus enable Date: Thu, 20 Jun 2019 15:47:46 +0200 Message-Id: <20190620134748.17866-5-megous@megous.com> In-Reply-To: <20190620134748.17866-1-megous@megous.com> References: <20190620134748.17866-1-megous@megous.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Ondrej Jirman Some Allwinner SoC using boards (Orange Pi 3 for example) need to enable on-board voltage shifting logic for the DDC bus using a gpio to be able to access DDC bus. Use ddc-en-gpios property on the hdmi-connector to model this. Add binding documentation for optional ddc-en-gpios property. Signed-off-by: Ondrej Jirman Reviewed-by: Rob Herring --- .../devicetree/bindings/display/connector/hdmi-connector.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/display/connector/hdmi-connector.txt b/Documentation/devicetree/bindings/display/connector/hdmi-connector.txt index 508aee461e0d..aeb07c4bd703 100644 --- a/Documentation/devicetree/bindings/display/connector/hdmi-connector.txt +++ b/Documentation/devicetree/bindings/display/connector/hdmi-connector.txt @@ -9,6 +9,7 @@ Optional properties: - label: a symbolic name for the connector - hpd-gpios: HPD GPIO number - ddc-i2c-bus: phandle link to the I2C controller used for DDC EDID probing +- ddc-en-gpios: signal to enable DDC bus Required nodes: - Video port for HDMI input