From patchwork Wed Apr 27 10:05:20 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jose Abreu X-Patchwork-Id: 615514 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 3qvwc11vXQz9t6g for ; Wed, 27 Apr 2016 20:06:57 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753630AbcD0KGi (ORCPT ); Wed, 27 Apr 2016 06:06:38 -0400 Received: from us01smtprelay-2.synopsys.com ([198.182.47.9]:53737 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752348AbcD0KGf (ORCPT ); Wed, 27 Apr 2016 06:06:35 -0400 Received: from us02secmta2.synopsys.com (us02secmta2.synopsys.com [10.12.235.98]) by smtprelay.synopsys.com (Postfix) with ESMTP id 9D3FF24E1F28; Wed, 27 Apr 2016 03:06:34 -0700 (PDT) Received: from us02secmta2.internal.synopsys.com (us02secmta2.internal.synopsys.com [127.0.0.1]) by us02secmta2.internal.synopsys.com (Service) with ESMTP id 9135355F13; Wed, 27 Apr 2016 03:06:34 -0700 (PDT) Received: from mailhost.synopsys.com (mailhost1.synopsys.com [10.12.238.239]) by us02secmta2.internal.synopsys.com (Service) with ESMTP id 688A655F02; Wed, 27 Apr 2016 03:06:34 -0700 (PDT) Received: from mailhost.synopsys.com (localhost [127.0.0.1]) by mailhost.synopsys.com (Postfix) with ESMTP id 4D37624C; Wed, 27 Apr 2016 03:06:34 -0700 (PDT) Received: from joabreu-VirtualBox.internal.synopsys.com (joabreu-e7440.internal.synopsys.com [10.107.19.101]) by mailhost.synopsys.com (Postfix) with ESMTP id 72EB21CD; Wed, 27 Apr 2016 03:06:32 -0700 (PDT) From: Jose Abreu To: alsa-devel@alsa-project.org Cc: Jose Abreu , Rob Herring , Carlos Palminha , Alexey Brodkin , devicetree@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2 v6] ASoC: dwc: Update DOCUMENTATION for I2S Driver Date: Wed, 27 Apr 2016 11:05:20 +0100 Message-Id: <30ee79f0744cdf3561d43654f1ecf3d486bf7a08.1461749984.git.joabreu@synopsys.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: In-Reply-To: References: Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patch updates documentation for the Designware I2S driver. Signed-off-by: Jose Abreu Acked-by: Rob Herring Cc: Rob Herring Cc: Carlos Palminha Cc: Alexey Brodkin Cc: devicetree@vger.kernel.org Cc: linux-snps-arc@lists.infradead.org Cc: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org --- No changes v5 -> v6. Changes v4 -> v5: * interrupts is now required property * Drop 'snps-use-dmaengine' property This patch was only introduced in v4. Documentation/devicetree/bindings/sound/designware-i2s.txt | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/sound/designware-i2s.txt b/Documentation/devicetree/bindings/sound/designware-i2s.txt index 7bb5424..27a728f 100644 --- a/Documentation/devicetree/bindings/sound/designware-i2s.txt +++ b/Documentation/devicetree/bindings/sound/designware-i2s.txt @@ -3,14 +3,18 @@ DesignWare I2S controller Required properties: - compatible : Must be "snps,designware-i2s" - reg : Must contain the I2S core's registers location and length + - interrupts: where IRQ is the interrupt number. - clocks : Pairs of phandle and specifier referencing the controller's 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: - 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. - - dma-names : "tx" for the transmit channel, "rx" for the receive channel. + one for receive. Set this parameter if the I2S DMA block is enabled. + - dma-names : "tx" for the transmit channel, "rx" for the receive channel. Set + this parameter if the I2S DMA block is enabled. For more details on the 'dma', 'dma-names', 'clock' and 'clock-names' properties please check: @@ -23,6 +27,7 @@ Example: soc_i2s: i2s@7ff90000 { compatible = "snps,designware-i2s"; reg = <0x0 0x7ff90000 0x0 0x1000>; + interrupts = <15>; clocks = <&scpi_i2sclk 0>; clock-names = "i2sclk"; #sound-dai-cells = <0>;