From patchwork Thu Feb 27 02:41:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 193441 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66C45C4BA24 for ; Thu, 27 Feb 2020 02:51:18 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E6E81222C2 for ; Thu, 27 Feb 2020 02:51:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="XWcDc+UC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E6E81222C2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 5131A1660; Thu, 27 Feb 2020 03:50:26 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 5131A1660 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1582771876; bh=8l+jcgDSfiUNonQ6/2arug2pYdCAPHknO/NKz1co6pA=; h=From:To:Subject:Date:In-Reply-To:References:In-Reply-To: References:Cc:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From; b=XWcDc+UCb83KxcamSWnvW44a3ArMSztFBQAKYeiOKVePE4VX7EXoFmDhCkLMUWrVB cjtoT3g8ddcr1pyLvd9WnlGVDxIf02QqLg875vuNJxCnok/bgg8VouYfhvjrYd8waG /xN+XV4VhdiEVdEj8wtY7p9O3IQKqfnA1XTZuUfc= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id F1465F8028D; Thu, 27 Feb 2020 03:48:19 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 8EC28F8028A; Thu, 27 Feb 2020 03:48:14 +0100 (CET) Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id B320CF80143 for ; Thu, 27 Feb 2020 03:48:06 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz B320CF80143 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 1D0BC208DC3; Thu, 27 Feb 2020 03:48:06 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id B3C24208DC0; Thu, 27 Feb 2020 03:47:58 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 32BC3402F7; Thu, 27 Feb 2020 10:47:49 +0800 (SGT) From: Shengjiu Wang To: timur@kernel.org, nicoleotsuka@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, broonie@kernel.org, alsa-devel@alsa-project.org, lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, robh+dt@kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org Subject: [PATCH v3 3/4] ASoC: dt-bindings: fsl_easrc: Add document for EASRC Date: Thu, 27 Feb 2020 10:41:57 +0800 Message-Id: <4ce9facad66a67747f32dc0596205c0d1e9b7363.1582770784.git.shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: X-Virus-Scanned: ClamAV using ClamSMTP Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 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: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" EASRC (Enhanced Asynchronous Sample Rate Converter) is a new IP module found on i.MX8MN. Signed-off-by: Shengjiu Wang --- .../devicetree/bindings/sound/fsl,easrc.yaml | 96 +++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/fsl,easrc.yaml diff --git a/Documentation/devicetree/bindings/sound/fsl,easrc.yaml b/Documentation/devicetree/bindings/sound/fsl,easrc.yaml new file mode 100644 index 000000000000..0131da6e6677 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/fsl,easrc.yaml @@ -0,0 +1,96 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/fsl,easrc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP Asynchronous Sample Rate Converter (ASRC) Controller + +maintainers: + - Shengjiu Wang + +properties: + $nodename: + pattern: "^easrc@.*" + + compatible: + oneOf: + - items: + - enum: + - fsl,imx8mn-easrc + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: Peripheral clock + + clock-names: + items: + - const: mem + + dmas: + maxItems: 8 + + dma-names: + oneOf: + - items: + - const: ctx0_rx + - const: ctx0_tx + - const: ctx1_rx + - const: ctx1_tx + - const: ctx2_rx + - const: ctx2_tx + - const: ctx3_rx + - const: ctx3_tx + + fsl,easrc-ram-script-name: + $ref: /schemas/types.yaml#/definitions/string + description: The coefficient table for the filters + + fsl,asrc-rate: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Defines a mutual sample rate used by DPCM Back Ends + + fsl,asrc-width: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Defines a mutual sample width used by DPCM Back Ends + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - dmas + - dma-name + - fsl,easrc-ram-script-name + - fsl,asrc-rate + - fsl,asrc-width + +examples: + - | + #include + + easrc: easrc@300C0000 { + compatible = "fsl,imx8mn-easrc"; + reg = <0x0 0x300C0000 0x0 0x10000>; + interrupts = <0x0 122 0x4>; + clocks = <&clk IMX8MN_CLK_ASRC_ROOT>; + clock-names = "mem"; + dmas = <&sdma2 16 23 0> , <&sdma2 17 23 0>, + <&sdma2 18 23 0> , <&sdma2 19 23 0>, + <&sdma2 20 23 0> , <&sdma2 21 23 0>, + <&sdma2 22 23 0> , <&sdma2 23 23 0>; + dma-names = "ctx0_rx", "ctx0_tx", + "ctx1_rx", "ctx1_tx", + "ctx2_rx", "ctx2_tx", + "ctx3_rx", "ctx3_tx"; + fsl,easrc-ram-script-name = "imx/easrc/easrc-imx8mn.bin"; + fsl,asrc-rate = <8000>; + fsl,asrc-width = <16>; + status = "disabled"; + };