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: 700457 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3tShND6gnRz9vFP for ; Tue, 29 Nov 2016 22:37:00 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753362AbcK2Lg7 (ORCPT ); Tue, 29 Nov 2016 06:36:59 -0500 Received: from smtp1-g21.free.fr ([212.27.42.1]:31003 "EHLO smtp1-g21.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754589AbcK2Lg4 (ORCPT ); Tue, 29 Nov 2016 06:36:56 -0500 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, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@googlegroups.com Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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>; + }; + }; + };