From patchwork Thu Feb 25 02:52:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 1444113 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4DmHkM3hSBz9sVF for ; Thu, 25 Feb 2021 14:06:35 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231845AbhBYDGP (ORCPT ); Wed, 24 Feb 2021 22:06:15 -0500 Received: from inva020.nxp.com ([92.121.34.13]:35692 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236937AbhBYDGL (ORCPT ); Wed, 24 Feb 2021 22:06:11 -0500 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id EE7E21A0611; Thu, 25 Feb 2021 04:05:24 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 22A861A05D3; Thu, 25 Feb 2021 04:05:18 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id EA0EF402AD; Thu, 25 Feb 2021 04:05:09 +0100 (CET) From: Shengjiu Wang To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, timur@kernel.org, nicoleotsuka@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, linuxppc-dev@lists.ozlabs.org, robh+dt@kernel.org, devicetree@vger.kernel.org Subject: [PATCH v3 3/7] ASoC: dt-bindings: fsl_rpmsg: Add binding doc for rpmsg cpu dai driver Date: Thu, 25 Feb 2021 10:52:39 +0800 Message-Id: <1614221563-26822-4-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1614221563-26822-1-git-send-email-shengjiu.wang@nxp.com> References: <1614221563-26822-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org fsl_rpmsg cpu dai driver is driver for rpmsg audio, which is mainly used for getting the user's configuration from device tree and configure the clocks which is used by Cortex-M core. So in this document define the needed property. Signed-off-by: Shengjiu Wang --- .../devicetree/bindings/sound/fsl,rpmsg.yaml | 94 +++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/fsl,rpmsg.yaml diff --git a/Documentation/devicetree/bindings/sound/fsl,rpmsg.yaml b/Documentation/devicetree/bindings/sound/fsl,rpmsg.yaml new file mode 100644 index 000000000000..ab6d3b8d0d38 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/fsl,rpmsg.yaml @@ -0,0 +1,94 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/fsl,rpmsg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP Audio RPMSG CPU DAI Controller + +maintainers: + - Shengjiu Wang + +description: | + fsl_rpmsg cpu dai driver is virtual driver for rpmsg audio, which doesn't + touch hardware. It is mainly used for getting the user's configuration + from device tree and configure the clocks which is used by Cortex-M core. + So in this document define the needed property. + +properties: + compatible: + enum: + - fsl,imx7ulp-rpmsg + - fsl,imx8mn-rpmsg + - fsl,imx8mm-rpmsg + - fsl,imx8mp-rpmsg + + clocks: + items: + - description: Peripheral clock for register access + - description: Master clock + - description: DMA clock for DMA register access + - description: Parent clock for multiple of 8kHz sample rates + - description: Parent clock for multiple of 11kHz sample rates + minItems: 5 + + clock-names: + items: + - const: ipg + - const: mclk + - const: dma + - const: pll8k + - const: pll11k + minItems: 5 + + power-domains: + maxItems: 1 + + fsl,audioindex: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1] + default: 0 + description: Instance index for sound card in + M core side, which share one rpmsg + channel. + + fsl,version: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 2] + default: 2 + description: The version of M core image, which is + to make driver compatible with different image. + + fsl,buffer-size: + $ref: /schemas/types.yaml#/definitions/uint32 + description: pre allocate dma buffer size + + fsl,enable-lpa: + $ref: /schemas/types.yaml#/definitions/flag + description: enable low power audio path. + + fsl,codec-type: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2] + default: 0 + description: Sometimes the codec is registered by + driver not the device tree, this items + can be used to distinguish codecs. + +required: + - compatible + - fsl,audioindex + - fsl,version + - fsl,buffer-size + +additionalProperties: false + +examples: + - | + rpmsg_audio: rpmsg_audio { + compatible = "fsl,imx8mn-rpmsg"; + fsl,audioindex = <0> ; + fsl,version = <2>; + fsl,buffer-size = <0x6000000>; + fsl,enable-lpa; + }; From patchwork Thu Feb 25 02:52:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 1444115 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4DmHkR0Ld2z9sVn for ; Thu, 25 Feb 2021 14:06:39 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236963AbhBYDGX (ORCPT ); Wed, 24 Feb 2021 22:06:23 -0500 Received: from inva021.nxp.com ([92.121.34.21]:40632 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236950AbhBYDGQ (ORCPT ); Wed, 24 Feb 2021 22:06:16 -0500 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 3F20620073E; Thu, 25 Feb 2021 04:05:29 +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 9E037200729; Thu, 25 Feb 2021 04:05:22 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id DD58E4032A; Thu, 25 Feb 2021 04:05:14 +0100 (CET) From: Shengjiu Wang To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, timur@kernel.org, nicoleotsuka@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, linuxppc-dev@lists.ozlabs.org, robh+dt@kernel.org, devicetree@vger.kernel.org Subject: [PATCH v3 7/7] ASoC: dt-bindings: imx-rpmsg: Add binding doc for rpmsg machine driver Date: Thu, 25 Feb 2021 10:52:43 +0800 Message-Id: <1614221563-26822-8-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1614221563-26822-1-git-send-email-shengjiu.wang@nxp.com> References: <1614221563-26822-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Imx-rpmsg is a new added machine driver for supporting audio on Cortex-M core. The Cortex-M core will control the audio interface, DMA and audio codec, setup the pipeline, the audio driver on Cortex-A core side is just to communitcate with M core, it is a virtual sound card and don't touch the hardware. Signed-off-by: Shengjiu Wang --- .../bindings/sound/imx-audio-rpmsg.yaml | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/imx-audio-rpmsg.yaml diff --git a/Documentation/devicetree/bindings/sound/imx-audio-rpmsg.yaml b/Documentation/devicetree/bindings/sound/imx-audio-rpmsg.yaml new file mode 100644 index 000000000000..ff9b3fc69dae --- /dev/null +++ b/Documentation/devicetree/bindings/sound/imx-audio-rpmsg.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/imx-audio-rpmsg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX audio complex with rpmsg + +maintainers: + - Shengjiu Wang + +description: | + imx-rpmsg is a machine driver for supporting audio by rpmsg. + The Cortex-M core will control the audio interface, DMA and audio + codec, setup the pipeline, the audio driver on Cortex-A core side + is just to communitcate with M core, it is a virtual sound card + and don't touch the hardware. + +properties: + compatible: + enum: + - fsl,imx-audio-rpmsg + + model: + $ref: /schemas/types.yaml#/definitions/string + description: User specified audio sound card name + + audio-cpu: + description: The phandle of an CPU DAI controller + + rpmsg-out: + description: | + This is a boolean property. If present, the transmitting function + will be enabled, + + rpmsg-in: + description: | + This is a boolean property. If present, the receiving function + will be enabled. + +required: + - compatible + - model + - audio-cpu + +additionalProperties: false + +examples: + - | + sound-rpmsg { + compatible = "fsl,imx-audio-rpmsg"; + model = "ak4497-audio"; + audio-cpu = <&rpmsg_audio>; + rpmsg-out; + };