From patchwork Thu Aug 10 08:31:22 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 9892997 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 50BA060236 for ; Thu, 10 Aug 2017 08:31:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4399128AE1 for ; Thu, 10 Aug 2017 08:31:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 35FC128AE2; Thu, 10 Aug 2017 08:31:40 +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=-4.2 required=2.0 tests=BAYES_00, 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 B92DB28ACB for ; Thu, 10 Aug 2017 08:31:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B5C338966B; Thu, 10 Aug 2017 08:31:30 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from lb2-smtp-cloud7.xs4all.net (lb2-smtp-cloud7.xs4all.net [194.109.24.28]) by gabe.freedesktop.org (Postfix) with ESMTPS id DE431884FD for ; Thu, 10 Aug 2017 08:31:28 +0000 (UTC) Received: from marune.fritz.box ([80.101.105.217]) by smtp-cloud7.xs4all.net with ESMTPA id fisIdgeTHAr7rfisJdpsrX; Thu, 10 Aug 2017 10:31:27 +0200 From: Hans Verkuil To: linux-media@vger.kernel.org Subject: [PATCHv3 1/4] dt-bindings: document the tegra CEC bindings Date: Thu, 10 Aug 2017 10:31:22 +0200 Message-Id: <20170810083125.36649-2-hverkuil@xs4all.nl> X-Mailer: git-send-email 2.13.2 In-Reply-To: <20170810083125.36649-1-hverkuil@xs4all.nl> References: <20170810083125.36649-1-hverkuil@xs4all.nl> X-CMAE-Envelope: MS4wfEek2vHbCuAfVL//7CEqvc0CgQboFNNuGGyCaVSz6rs+FhfdlbC+QOzXR5+7r8s7YopFr4yWGBdduhMU85WXCG4lYxGS4T/UJJkzdmieMhvhPm7DiEmr LEsNhZShGSvGnv/20JjvyVCY3RSU16gC8coh7SaNTAt67fpRgBKEZi4V8MkeQRrKhKegMnsCM3K+5p1Qkq/FCSPLqskXlgWVsy+/jh5RvS9CrEJiu406DPB6 Ze75IOO5FEv5yHlM8N0odUfXPcg+PFb2/GzTc4l/FRn4xC+t7xQ0psDR9WNTzcrNM1ecQS/TqawkiL+2RRhUYFaU9fzrgpxWivLRzhj6hyYnITe/XNsZAYza Z1nfq3rG Cc: linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, Thierry Reding , Hans Verkuil , dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Hans Verkuil This documents the binding for the Tegra CEC module. Signed-off-by: Hans Verkuil Acked-by: Rob Herring --- .../devicetree/bindings/media/tegra-cec.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/tegra-cec.txt diff --git a/Documentation/devicetree/bindings/media/tegra-cec.txt b/Documentation/devicetree/bindings/media/tegra-cec.txt new file mode 100644 index 000000000000..c503f06f3b84 --- /dev/null +++ b/Documentation/devicetree/bindings/media/tegra-cec.txt @@ -0,0 +1,27 @@ +* Tegra HDMI CEC hardware + +The HDMI CEC module is present in Tegra SoCs and its purpose is to +handle communication between HDMI connected devices over the CEC bus. + +Required properties: + - compatible : value should be one of the following: + "nvidia,tegra114-cec" + "nvidia,tegra124-cec" + "nvidia,tegra210-cec" + - reg : Physical base address of the IP registers and length of memory + mapped region. + - interrupts : HDMI CEC interrupt number to the CPU. + - clocks : from common clock binding: handle to HDMI CEC clock. + - clock-names : from common clock binding: must contain "cec", + corresponding to the entry in the clocks property. + - hdmi-phandle : phandle to the HDMI controller, see also cec.txt. + +Example: + +cec@70015000 { + compatible = "nvidia,tegra124-cec"; + reg = <0x0 0x70015000 0x0 0x00001000>; + interrupts = ; + clocks = <&tegra_car TEGRA124_CLK_CEC>; + clock-names = "cec"; +};