From patchwork Sun Mar 1 05:24:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 11414165 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B107214B7 for ; Sun, 1 Mar 2020 05:32:55 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 8E8FD21556 for ; Sun, 1 Mar 2020 05:32:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="hGOo5oX1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8E8FD21556 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=Bl2V9Fz7JJDukwQMxN52955COeWl1Immvb3TBbkHxrQ=; b=hGOo5oX1+MvgNJSBW/UP9z/Eo0 5CTlbt6ynGOq2SPwJMC1TtEsZ/B77jFTmovZSWnSZnvsh4xkeYSgZ7ZwuKOPV9ag4rbLU7ck1Ki7G mo0wo8AnBkMVnRtW3O9yrkjQsGp2dODlp36CKXpnMT+wQozzkUlWPbM8u67lBUFi40U5yHlVMo9lR 4hBBBrozx0a70iSenIR64ZjNgLfGen4lMNtOYmT5BqaLNWCENFOCxInI837jdM+D/agPHEpxAc0ot rITPDQxPsKjv059izQUt5B0+pl27JMVN3m8xSlKJZMFbN0gyiFeJkkPd6rRJ6SmIUSPMy3kq6Zjld NTsBoc2w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j8HDf-00021A-7I; Sun, 01 Mar 2020 05:32:51 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j8HBd-0008Nj-In for linux-arm-kernel@lists.infradead.org; Sun, 01 Mar 2020 05:30:47 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 552BB200A2F; Sun, 1 Mar 2020 06:30:44 +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 C169F200A2D; Sun, 1 Mar 2020 06:30:34 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 193B140302; Sun, 1 Mar 2020 13:30:24 +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, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 7/8] ASoC: dt-bindings: fsl_easrc: Add document for EASRC Date: Sun, 1 Mar 2020 13:24:18 +0800 Message-Id: <2aa0b446c3e2af59e3472d8f7706298691ec4a5c.1583039752.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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200229_213045_895742_C06B9C77 X-CRM114-Status: GOOD ( 10.05 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [92.121.34.21 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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..500af8f0c8f0 --- /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-format: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Defines a mutual sample format 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-format + +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-format = <2>; + status = "disabled"; + };