From patchwork Mon May 27 16:22:35 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: 10965577 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 60F5714C0 for ; Tue, 28 May 2019 17:15:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 422BA28673 for ; Tue, 28 May 2019 17:15:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 31CB328606; Tue, 28 May 2019 17:15:05 +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, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DD2A428606 for ; Tue, 28 May 2019 17:15:04 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id ECB916E284; Tue, 28 May 2019 17:14:55 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from vps.xff.cz (vps.xff.cz [195.181.215.36]) by gabe.freedesktop.org (Postfix) with ESMTPS id C340F8989C for ; Mon, 27 May 2019 16:22:42 +0000 (UTC) From: megous@megous.com To: linux-sunxi@googlegroups.com, Maxime Ripard , Chen-Yu Tsai , Rob Herring Subject: [PATCH v6 4/6] dt-bindings: display: hdmi-connector: Support DDC bus enable Date: Mon, 27 May 2019 18:22:35 +0200 Message-Id: <20190527162237.18495-5-megous@megous.com> In-Reply-To: <20190527162237.18495-1-megous@megous.com> References: <20190527162237.18495-1-megous@megous.com> MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 28 May 2019 17:13:51 +0000 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megous.com; s=mail; t=1558974161; bh=YFp7iMAT2SUi48E3lCp5Rb+wby06G1ktJEOG3j6izbk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FluKZoslmbV6VPUu+72aK+19fDYd4Lw3Y3aT0IKC59c+s0gsEFj72A5C9Uql8Nfjo IbJJHD+6xuYTrKdi27OB0fzwlGz551U0tuhMmhLqIzhshGP2QFvloiSWuJ3f+ttTLh lLzj4VinGAH2Cv/Cr10TAj9B5HnpTAqKOyhZl5/Q= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development 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, Giuseppe Cavallaro , "David S. Miller" , Maxime Coquelin Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 --- .../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