From patchwork Mon Feb 27 20:28:01 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Anholt X-Patchwork-Id: 9594079 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 6688C60453 for ; Mon, 27 Feb 2017 20:28:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 59588200F5 for ; Mon, 27 Feb 2017 20:28:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4E26C2832D; Mon, 27 Feb 2017 20:28:12 +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 07E88200F5 for ; Mon, 27 Feb 2017 20:28:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1453D6E532; Mon, 27 Feb 2017 20:28:11 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from anholt.net (anholt.net [50.246.234.109]) by gabe.freedesktop.org (Postfix) with ESMTP id B5DDD6E06E for ; Mon, 27 Feb 2017 20:28:07 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 465E710A2293; Mon, 27 Feb 2017 12:28:07 -0800 (PST) X-Virus-Scanned: Debian amavisd-new at anholt.net Received: from anholt.net ([127.0.0.1]) by localhost (kingsolver.anholt.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id fr3A-lsUBAQH; Mon, 27 Feb 2017 12:28:04 -0800 (PST) Received: from eliezer.anholt.net (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 22D5710A2291; Mon, 27 Feb 2017 12:28:04 -0800 (PST) Received: by eliezer.anholt.net (Postfix, from userid 1000) id 1CAE82E76C2; Mon, 27 Feb 2017 12:28:03 -0800 (PST) From: Eric Anholt To: Lee Jones , Florian Fainelli , dri-devel@lists.freedesktop.org, Mark Brown , Liam Girdwood , Lars-Peter Clausen , alsa-devel@alsa-project.org Subject: [PATCH v2 1/3] dt-bindings: Document the dmas and dma-names properties for VC4 HDMI Date: Mon, 27 Feb 2017 12:28:01 -0800 Message-Id: <20170227202803.12855-1-eric@anholt.net> X-Mailer: git-send-email 2.11.0 Cc: Stefan Wahren , Stephen Warren , linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.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: Boris Brezillon These are optional, but necessary for HDMI audio support. Signed-off-by: Boris Brezillon Signed-off-by: Eric Anholt Acked-by: Rob Herring --- v2: no changes Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt b/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt index 34c7fddcea39..ca02d3e4db91 100644 --- a/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt +++ b/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt @@ -34,6 +34,9 @@ Optional properties for HDMI: - hpd-gpios: The GPIO pin for HDMI hotplug detect (if it doesn't appear as an interrupt/status bit in the HDMI controller itself). See bindings/pinctrl/brcm,bcm2835-gpio.txt +- dmas: Should contain one entry pointing to the DMA channel used to + transfer audio data +- dma-names: Should contain "audio-rx" Required properties for DPI: - compatible: Should be "brcm,bcm2835-dpi"