From patchwork Tue Nov 29 09:08:25 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jean-Francois Moine X-Patchwork-Id: 9451743 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 26BF460710 for ; Tue, 29 Nov 2016 11:37:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0D8112810E for ; Tue, 29 Nov 2016 11:37:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 026062818A; Tue, 29 Nov 2016 11:37:22 +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,FREEMAIL_FROM, 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 AFC3D2810E for ; Tue, 29 Nov 2016 11:37:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1F9786E283; Tue, 29 Nov 2016 11:37:17 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp1-g21.free.fr (smtp1-g21.free.fr [IPv6:2a01:e0c:1:1599::10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 446736E21D for ; Tue, 29 Nov 2016 11:36:56 +0000 (UTC) Received: from localhost (unknown [37.164.15.172]) by smtp1-g21.free.fr (Postfix) with ESMTP id B7E2FB00579; Tue, 29 Nov 2016 12:36:54 +0100 (CET) X-Mailbox-Line: From cd1caff75b6069af98680f78d672546748cb43c5 Mon Sep 17 00:00:00 2001 Message-Id: In-Reply-To: References: From: Jean-Francois Moine Date: Tue, 29 Nov 2016 10:08:25 +0100 Subject: [PATCH v7 4/8] drm/sunxi: Add DT bindings documentation of Allwinner HDMI To: Dave Airlie , Maxime Ripard , Rob Herring Cc: devicetree@vger.kernel.org, linux-sunxi@googlegroups.com, linux-arm-kernel@lists.infradead.org, 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 Signed-off-by: Jean-Francois Moine --- .../devicetree/bindings/display/sunxi/hdmi.txt | 56 ++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/sunxi/hdmi.txt diff --git a/Documentation/devicetree/bindings/display/sunxi/hdmi.txt b/Documentation/devicetree/bindings/display/sunxi/hdmi.txt new file mode 100644 index 0000000..1e107cb --- /dev/null +++ b/Documentation/devicetree/bindings/display/sunxi/hdmi.txt @@ -0,0 +1,56 @@ +Allwinner HDMI Transmitter +========================== + +The Allwinner HDMI transmitters are included in the SoCs. +They support audio and video. + +Required properties: + - compatible : should be one of + "allwinner,sun8i-a83t-hdmi" + "allwinner,sun8i-h3-hdmi" + - reg: base address and size of the I/O memory + - clocks : phandles to the HDMI clocks as described in + Documentation/devicetree/bindings/clock/clock-bindings.txt + - clock-names : must be + "bus" : bus gate + "clock" : streaming clock + "ddc-clock" : DDC clock + - resets : One or two phandles to the HDMI resets + - reset-names : when 2 phandles, must be + "hdmi0" and "hdmi1" + - #address-cells : should be <1> + - #size-cells : should be <0> + +Required nodes: + - port: Audio and video input port nodes with endpoint definitions + as defined in Documentation/devicetree/bindings/graph.txt. + port@0 is video and port@1 is audio. + +Example: + + hdmi: hdmi@01ee0000 { + compatible = "allwinner,sun8i-a83t-hdmi"; + reg = <0x01ee0000 0x20000>; + clocks = <&ccu CLK_BUS_HDMI>, <&ccu CLK_HDMI>, + <&ccu CLK_HDMI_DDC>; + clock-names = "bus", "clock", "ddc-clock"; + resets = <&ccu RST_HDMI0>, <&ccu RST_HDMI1>; + reset-names = "hdmi0", "hdmi1"; + pinctrl-names = "default"; + pinctrl-0 = <&hdmi_pins_a>; + status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + port@0 { /* video */ + reg = <0>; + hdmi_tcon1: endpoint { + remote-endpoint = <&tcon1_hdmi>; + }; + }; + port@1 { /* audio */ + reg = <1>; + hdmi_i2s2: endpoint { + remote-endpoint = <&i2s2_hdmi>; + }; + }; + };