From patchwork Wed May 20 11:06:12 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jun Nie X-Patchwork-Id: 6445111 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B950DC0432 for ; Wed, 20 May 2015 11:07:30 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2CE762035E for ; Wed, 20 May 2015 11:07:29 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id DF874202DD for ; Wed, 20 May 2015 11:07:27 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 0B676265486; Wed, 20 May 2015 13:07:21 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id CBFEF261737; Wed, 20 May 2015 13:06:56 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 62CBF261AB0; Wed, 20 May 2015 13:06:55 +0200 (CEST) Received: from mail-pa0-f53.google.com (mail-pa0-f53.google.com [209.85.220.53]) by alsa0.perex.cz (Postfix) with ESMTP id 73B3B261737 for ; Wed, 20 May 2015 13:06:49 +0200 (CEST) Received: by pabts4 with SMTP id ts4so63242992pab.3 for ; Wed, 20 May 2015 04:06:48 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=4PeKCD4Koa2g7YlyJ9jC92d1eROxlLeji6iIouKFmL8=; b=YL2r0Z6EWRc/FGLy2l+W4+P2tOwbUGF0nosXLVtoA1weGTqXWMNeznp6IV1sOKDzHh 9qJvAd7VTa1kbYdSV1esH4+6qZeCkJc75auKcDqm6OFm7z7l+QHm7xsWIkqQSSyWtD2k uG315RPhXfg8OaEGDN3RjGs/yZT29c/IMMASwk8scxQALIUGb83IvT9vLHfVRczVXCL+ BtD2Ze/jNAsaKgIvDrwVDhXv1QIgPGYYjseyGpvuog35CUsGVJhMF87BaHi5RIwxPy2s aN+ZB7a7g/W1NiNSpHJMP3dxQwY7sxjtM6hVlKhVNM6RT47R9fq1/wN+s286iseW5SUY 3xww== X-Gm-Message-State: ALoCoQnOkJfBD/donTOUg0aK/Y0vIht0XM/zDS9V7Q30jVuPylinHHWeuJnbPrXJvk1QFg+hu3J0 X-Received: by 10.66.66.65 with SMTP id d1mr24507023pat.22.1432120008492; Wed, 20 May 2015 04:06:48 -0700 (PDT) Received: from localhost.localdomain ([107.6.117.178]) by mx.google.com with ESMTPSA id f1sm15829285pds.62.2015.05.20.04.06.42 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 20 May 2015 04:06:47 -0700 (PDT) From: Jun Nie To: broonie@kernel.org, lgirdwood@gmail.com Date: Wed, 20 May 2015 19:06:12 +0800 Message-Id: <1432119972-6934-2-git-send-email-jun.nie@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1432119972-6934-1-git-send-email-jun.nie@linaro.org> References: <1432119972-6934-1-git-send-email-jun.nie@linaro.org> Cc: alsa-devel@alsa-project.org, shawn.guo@linaro.org, wan.zhijun@zte.com.cn, Jun Nie , zte-lt@lists.linaro.org Subject: [alsa-devel] [PATCH 2/2] dt: Add documentation for the ZTE I2S controller X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds the devicetree documentation for the ZTE zx296702 I2S audio controller. Signed-off-by: Jun Nie --- .../devicetree/bindings/sound/zte,zx-i2s.txt | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/zte,zx-i2s.txt diff --git a/Documentation/devicetree/bindings/sound/zte,zx-i2s.txt b/Documentation/devicetree/bindings/sound/zte,zx-i2s.txt new file mode 100644 index 0000000..7e5aa6f --- /dev/null +++ b/Documentation/devicetree/bindings/sound/zte,zx-i2s.txt @@ -0,0 +1,44 @@ +ZTE ZX296702 I2S controller + +Required properties: + - compatible : Must be "zte,zx296702-i2s" + - reg : Must contain I2S core's registers location and length + - clocks : Pairs of phandle and specifier referencing the controller's clocks. + - clock-names: "tx" for the clock to the I2S interface. + - dmas: Pairs of phandle and specifier for the DMA channel that is used by + the core. The core expects two dma channels for transmit. + - dma-names : Must be "tx" and "rx" + +For more details on the 'dma', 'dma-names', 'clock' and 'clock-names' properties +please check: + * resource-names.txt + * clock/clock-bindings.txt + * dma/dma.txt + +Example: + i2s0: i2s0@0b005000 { + #sound-dai-cells = <0>; + compatible = "zte,zx296702-i2s"; + reg = <0x0b005000 0x1000>; + clocks = <&lsp0clk ZX296702_I2S0_DIV>; + clock-names = "tx"; + interrupts = ; + dmas = <&dma 5>, <&dma 6>; + dma-names = "tx", "rx"; + status = "okay"; + }; + + sound { + compatible = "simple-audio-card"; + simple-audio-card,name = "zx296702_snd"; + simple-audio-card,format = "left_j"; + simple-audio-card,bitclock-master = <&sndcodec>; + simple-audio-card,frame-master = <&sndcodec>; + sndcpu: simple-audio-card,cpu { + sound-dai = <&i2s0>; + }; + + sndcodec: simple-audio-card,codec { + sound-dai = <&acodec>; + }; + };