From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757140AbcDGQyq (ORCPT ); Thu, 7 Apr 2016 12:54:46 -0400 Received: from us01smtprelay-2.synopsys.com ([198.182.47.9]:55815 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757126AbcDGQyo (ORCPT ); Thu, 7 Apr 2016 12:54:44 -0400 From: Jose Abreu To: linux-snps-arc@lists.infradead.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, alsa-devel@alsa-project.org Cc: broonie@kernel.org, CARLOS.PALMINHA@synopsys.com, Alexey.Brodkin@synopsys.com, Vineet.Gupta1@synopsys.com, architt@codeaurora.org, airlied@linux.ie, lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, Jose Abreu Subject: [PATCH 5/5 v4] ASoC: dwc: Update DOCUMENTATION for I2S Driver Date: Thu, 7 Apr 2016 17:53:59 +0100 Message-Id: X-Mailer: git-send-email 1.9.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch updates documentation for the Designware I2S driver. Signed-off-by: Jose Abreu --- This patch was only introduced in v4. Documentation/devicetree/bindings/sound/designware-i2s.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/designware-i2s.txt b/Documentation/devicetree/bindings/sound/designware-i2s.txt index 7bb5424..f3b5c17 100644 --- a/Documentation/devicetree/bindings/sound/designware-i2s.txt +++ b/Documentation/devicetree/bindings/sound/designware-i2s.txt @@ -7,6 +7,10 @@ Required properties: clocks. The controller expects one clock: the clock used as the sampling rate reference clock sample. - clock-names : "i2sclk" for the sample rate reference clock. + + Optional properties: + - snps,use-dmaengine: If set the driver will use ALSA DMA engine. If set + it is required to use the properties 'dmas' and 'dma-names'. - dmas: Pairs of phandle and specifier for the DMA channels that are used by the core. The core expects one or two dma channels: one for transmit and one for receive. @@ -26,6 +30,7 @@ Example: clocks = <&scpi_i2sclk 0>; clock-names = "i2sclk"; #sound-dai-cells = <0>; + snps,use-dmaengine; dmas = <&dma0 5>; dma-names = "tx"; }; -- 1.9.1