From patchwork Mon May 20 23:50:07 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: 10952711 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8474D112C for ; Mon, 20 May 2019 23:51:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6F95628901 for ; Mon, 20 May 2019 23:51:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 57E3F284A5; Mon, 20 May 2019 23:51:13 +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=-3.4 required=2.0 tests=BAYES_00,DKIM_ADSP_DISCARD, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id F2569284A5 for ; Mon, 20 May 2019 23:51:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=FCAj8QGC3+vjRGcv8PUbKlcWHUtTU29srE19nz6jY2M=; b=qWrXrb32UA2SWC 7St4i7XBCaQpZP5hSBenc0rKt9mS1mZX741LOrvsQ1jWF96jZiM5gaTph4sBMUR/rlMZjHGAkiNJa fJRSwaGE2i6UKppPxRI5KVI/IOlGHv2sTFlQZOpP53u87qosfNIQtYpqAk7DnsJLXqMhHn0V/ZZTh FLIncdPrdbGdvLuLq6jd/19lu7JfOiY3uTjt4S6Qp6QJONQ4uwDs++TCUcsZeYBU9dxY3rTwNClZn tBuxwVOKdfoMGK5o02zZpqaAEnIfjDHCuEqMBHtrtQ41dIex3v5N2IA6ROZmTkE8tZmLU+4zRryRd L8UbAh2CnHy/pc3swAPQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hSs3d-0003oV-6i; Mon, 20 May 2019 23:51:05 +0000 Received: from vps.xff.cz ([195.181.215.36]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hSs2o-0002vx-Va for linux-arm-kernel@lists.infradead.org; Mon, 20 May 2019 23:50:17 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megous.com; s=mail; t=1558396213; bh=YFp7iMAT2SUi48E3lCp5Rb+wby06G1ktJEOG3j6izbk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pDlKtgV3gowwb66fp7eLoyeuRKnsWrlXZequAZFW3Ab4/pDqG7UhNsbKMQEzRzxFf 3cyYV77hezdzWb0n5471o0qbWoSP5qpx/n5vH3L5mJkH6rdekZhoz6x4dxPUKcbOMi pMRrd0iWvkbn8ODVX6x2FGfptjfm64Ls7gcAp68w= From: megous@megous.com To: linux-sunxi@googlegroups.com, Maxime Ripard , Chen-Yu Tsai , Rob Herring Subject: [PATCH v5 4/6] dt-bindings: display: hdmi-connector: Support DDC bus enable Date: Tue, 21 May 2019 01:50:07 +0200 Message-Id: <20190520235009.16734-5-megous@megous.com> In-Reply-To: <20190520235009.16734-1-megous@megous.com> References: <20190520235009.16734-1-megous@megous.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190520_165015_180232_FCAFE12B X-CRM114-Status: UNSURE ( 8.88 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ondrej Jirman , Mark Rutland , Alexandre Torgue , devicetree@vger.kernel.org, David Airlie , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Jose Abreu , linux-arm-kernel@lists.infradead.org, Daniel Vetter , Giuseppe Cavallaro , "David S. Miller" , Maxime Coquelin Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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