From patchwork Tue Aug 6 15:57:41 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: 11079265 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 C8A421399 for ; Tue, 6 Aug 2019 15:58:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B78B5284E8 for ; Tue, 6 Aug 2019 15:58:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A0844288C6; Tue, 6 Aug 2019 15:58:03 +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=-4.4 required=2.0 tests=BAYES_00,DKIM_ADSP_ALL, 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 E44A028818 for ; Tue, 6 Aug 2019 15:58:02 +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=viAkCq09gpKyoY2Z+kSVl4kTP3xmZrvDf5w9qtHvuiY=; b=RIkGn23UrBlMjS xTe/uhJyRbiei7/w0Ppf8P9xnmKBQ5SJegZYCIRjtjo6vAoKa54B6O5EnojpVuSi8Jcdx6PjriTQw aLC9X031QX1NgXyDNu7zK/+kj37Sf8VRyMLk5mYvsJJVwSposkD9IFFOF64nDgAm806VdHLIO915p bF6asMjwtfEobKaRzlF/1Hdbywk3RhLsgXM6RkF/f+Jcvqk+w5AGLr4pgVaDATSedGYrQKLblrRJh KtJsDCyvRSPvT5cWC4Q+SBk7RSOsfW3yO/nnfXLKNkC3JHr9l6hrDgS/x0I/S1p576Zecc4YGFisi H3KDziTiMuAVBTQAqB7A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hv1qb-0004rz-9v; Tue, 06 Aug 2019 15:58:01 +0000 Received: from vps.xff.cz ([195.181.215.36]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hv1qX-0004fe-5j for linux-arm-kernel@lists.infradead.org; Tue, 06 Aug 2019 15:57:59 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megous.com; s=mail; t=1565107071; bh=1WLK5mVFKFuv1g4gs40+VCmjvdPbojsyFq5tU/7xRNw=; h=From:To:Cc:Subject:Date:References:From; b=En0Lsg9MSZMhN5LVrV5ajakQGazmxXH2790lmj21RVWwqGRKVUaYb2Ok/E+4f2sds +YclFbmClg3rpIYnCPF1DLeG8WuXXBlfhpYaloESxdumT7segy9d43Qilgvm/+pazg ceL5eHOb1ddah4PrChZZUG/4QKxZ+j1mzZBCrasg= From: megous@megous.com To: linux-sunxi@googlegroups.com, Maxime Ripard , Chen-Yu Tsai , Rob Herring , =?utf-8?q?J?= =?utf-8?q?ernej_=C5=A0krabec?= Subject: [PATCH v8 2/4] dt-bindings: display: hdmi-connector: Support DDC bus enable Date: Tue, 6 Aug 2019 17:57:41 +0200 Message-Id: <20190806155744.10263-3-megous@megous.com> In-Reply-To: <20190806155744.10263-1-megous@megous.com> References: <20190806155744.10263-1-megous@megous.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190806_085757_396843_2C709615 X-CRM114-Status: UNSURE ( 8.10 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ondrej Jirman , Mark Rutland , devicetree@vger.kernel.org, David Airlie , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Daniel Vetter , Rob Herring , linux-arm-kernel@lists.infradead.org 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