From patchwork Sun Dec 6 10:41:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 338815 Delivered-To: patch@linaro.org Received: by 2002:a02:85a7:0:0:0:0:0 with SMTP id d36csp1925684jai; Sun, 6 Dec 2020 02:51:30 -0800 (PST) X-Google-Smtp-Source: ABdhPJymhkARYPorFTLeN79A+lJ81dofShGt7Lv/B+HRwv+S9LyDFF8CPbvi80xcPj+Xra0q7HlO X-Received: by 2002:a17:906:1c8e:: with SMTP id g14mr14753084ejh.5.1607251890085; Sun, 06 Dec 2020 02:51:30 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1607251890; cv=none; d=google.com; s=arc-20160816; b=g2H3hPht/DLxdtoY8F/5ACAiiC9DwJB+23PnKCfUIK8ZMy+3D6PDJP6hDFEEfEtbn4 0OmllF7imagE7+0Cjyn4WrI/Fy7bynNKePj9+Zg/a3x9F2On8T5kk5gSvxXsz5SoTnmf WT3DfZKPJPAX/KfjUFfmckjkSDDV9zpFwBiinExXAsAtG7q4njEvqq68XtHNseZPEIyz 6IcQ0/ZASAwzPtTAtOB7DQo4hcZK20iSkBw48Od+Q8TYS4q0pbjwUa9QPCysikj0RVPS YyGBkqgAbA/kWwjjjsigkOS2SSHTY2Xu3RDlBG1n1hOD8BTMgd9Znbhs4mKq9jynI0mc Z5gQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:message-id:date:subject:to:from; bh=mkKiALQ1gMCZRT7afmg72K5IqLaKPMh0XBnDNxHOaxw=; b=fCJE0vNYxRGDKOulGeTs6J/UUZOWbDQFZgDkGf2sDUEFjkJ8RVYPR1x1dsZUs7eDi/ 4Tu/Av3ZqfGXo6ZkxlOZpFxrUSPwERKU9pD7WK8YljNCRQYvlC1uclDw2TKVy8SPGC5G y3XNwX+jsLLe1z6GGKPDRgcnA6NjpyW440s2UYL3uvqR3FaVf+y5HBHtzXs4SQzlJGpT iUnyUC83/kFcNSKjfS29rgChV4z+t95qpJr3cajKZB8VaMm55Ez77MaO6q0ZEM+17PXJ YaSm2Cxm3QiB/T4gJG+xE9EnW8ssNJ7m1XPHNLxbbfC84oF7bS1jiwkXGj/r+YcRdl/O SXxQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nxp.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id h8si6427555edl.562.2020.12.06.02.51.29; Sun, 06 Dec 2020 02:51:30 -0800 (PST) Received-SPF: pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nxp.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726377AbgLFKug (ORCPT + 6 others); Sun, 6 Dec 2020 05:50:36 -0500 Received: from inva020.nxp.com ([92.121.34.13]:51496 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725794AbgLFKug (ORCPT ); Sun, 6 Dec 2020 05:50:36 -0500 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id BDF251A087E; Sun, 6 Dec 2020 11:49:48 +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 A3EE91A0AAF; Sun, 6 Dec 2020 11:49:43 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 26057402D0; Sun, 6 Dec 2020 11:49:37 +0100 (CET) From: Shengjiu Wang To: timur@kernel.org, nicoleotsuka@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 1/2] ASoC: dt-bindings: imx-hdmi: Add binding doc for hdmi machine driver Date: Sun, 6 Dec 2020 18:41:58 +0800 Message-Id: <1607251319-5821-1-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Imx-hdmi is a new added machine driver for supporting hdmi devices on i.MX platforms. There is HDMI IP or external HDMI modules connect with SAI or AUD2HTX interface. Signed-off-by: Shengjiu Wang --- changes in v2: - none .../bindings/sound/imx-audio-hdmi.yaml | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/imx-audio-hdmi.yaml -- 2.27.0 diff --git a/Documentation/devicetree/bindings/sound/imx-audio-hdmi.yaml b/Documentation/devicetree/bindings/sound/imx-audio-hdmi.yaml new file mode 100644 index 000000000000..d5474f83ac2c --- /dev/null +++ b/Documentation/devicetree/bindings/sound/imx-audio-hdmi.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/imx-audio-hdmi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX audio complex with HDMI + +maintainers: + - Shengjiu Wang + +properties: + compatible: + enum: + - fsl,imx-audio-hdmi + - fsl,imx-audio-sii902x + + model: + $ref: /schemas/types.yaml#/definitions/string + description: User specified audio sound card name + + audio-cpu: + description: The phandle of an CPU DAI controller + + hdmi-out: + description: | + This is a boolean property. If present, the transmitting function + of HDMI will be enabled, indicating there's a physical HDMI out + connector or jack on the board or it's connecting to some other IP + block, such as an HDMI encoder or display-controller. + + hdmi-in: + description: | + This is a boolean property. If present, the receiving function of + HDMI will be enabled, indicating there is a physical HDMI in + connector/jack on the board. + +required: + - compatible + - model + - audio-cpu + +additionalProperties: false + +examples: + - | + sound-hdmi { + compatible = "fsl,imx-audio-hdmi"; + model = "audio-hdmi"; + audio-cpu = <&aud2htx>; + hdmi-out; + }; From patchwork Sun Dec 6 10:41:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 338816 Delivered-To: patch@linaro.org Received: by 2002:a02:85a7:0:0:0:0:0 with SMTP id d36csp1925691jai; Sun, 6 Dec 2020 02:51:31 -0800 (PST) X-Google-Smtp-Source: ABdhPJxMnotDlWJ7XZ4T6Ltx4VrzI/+cpn5UHytSCpyiFnQvJYThyoEEv/VIxDzIr2NIJeimX3M2 X-Received: by 2002:a17:906:f9da:: with SMTP id lj26mr4529657ejb.467.1607251891413; Sun, 06 Dec 2020 02:51:31 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1607251891; cv=none; d=google.com; s=arc-20160816; b=n9YdyJ1rivspMRkFXQhMzx0pf2T0Tt2Bvav35XW1cOcF6F/XYx7fNDHUqtMMPeuyl8 hbyzyOko03jhnF0cJr2kAXhF0OjtSGqJk4klPXR/UVq2jUXVR5+BIFGzlR1obp1VPrbY N1wey4vxucTRqZndEYs4RZrzUzWHnzx/pusTvS08DBDcJy0waCdeFauRHtT6sGe4uXm8 vMIR/AemQJ+sGLbb7LsfXLAnu6gkmOSIzbxcTIFOVsBimuatTjEff2UGmY2KjroFCcXC HgzGkZmmsSF9JMSlpFCEsGuI5QNIJNZhDLyNIfAr12EZ0PHEoA4LRkB2OnwuPKO4sJY4 QXsw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:message-id:date:subject :to:from; bh=GayZmhoHXMjojQbhckfMDd/t7aTUc/2YAxg7qN432JI=; b=wodKNf/aPpB92S2vg3hNDawmBuUfHy6L9latsXK1d0OJl2vj5mB3/HS5o/r4w4S71X UvKeh56cUNSvHcRGOfiXpGd+ht9lOnuEscbp7cXh7PHgJMdkH19Bvq6Q7v98EYyNtvsh JLqyF7L1D4dwNKJEbZick03f8lv1cvBI3+8WALgnE7CwsbTn0e7dtrJxG0Ff/nGvvQg3 chINYpmX+uhWfsCo53Bk1U0R1l7oJYWsO4ae6HVrQCo0YA3SZCRMAwvRfL7lxy0Y81at 7U0if2IyuhzbSluHDpMew803VYuc1gov5cW5MgMyJDTsMQNz3NAg6r6WyN+B1UFmau7q vffQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nxp.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id h8si6427555edl.562.2020.12.06.02.51.31; Sun, 06 Dec 2020 02:51:31 -0800 (PST) Received-SPF: pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nxp.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725794AbgLFKui (ORCPT + 6 others); Sun, 6 Dec 2020 05:50:38 -0500 Received: from inva020.nxp.com ([92.121.34.13]:51538 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726351AbgLFKuh (ORCPT ); Sun, 6 Dec 2020 05:50:37 -0500 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 1A40C1A0AAF; Sun, 6 Dec 2020 11:49:50 +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 C6CFF1A0AC3; Sun, 6 Dec 2020 11:49:44 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 4B3FA402E1; Sun, 6 Dec 2020 11:49:38 +0100 (CET) From: Shengjiu Wang To: timur@kernel.org, nicoleotsuka@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 2/2] ASoC: fsl: Add imx-hdmi machine driver Date: Sun, 6 Dec 2020 18:41:59 +0800 Message-Id: <1607251319-5821-2-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1607251319-5821-1-git-send-email-shengjiu.wang@nxp.com> References: <1607251319-5821-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The driver is initially designed for sound card using HDMI interface on i.MX platform. There is internal HDMI IP or external HDMI modules connect with SAI or AUD2HTX interface. It supports both transmitter and receiver devices. Signed-off-by: Shengjiu Wang --- changes in v2 - update according to Nicolin's comments. sound/soc/fsl/Kconfig | 12 ++ sound/soc/fsl/Makefile | 2 + sound/soc/fsl/imx-hdmi.c | 236 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 250 insertions(+) create mode 100644 sound/soc/fsl/imx-hdmi.c -- 2.27.0 Acked-by: Nicolin Chen diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 24710decd38a..84db0b7b9d59 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -305,6 +305,18 @@ config SND_SOC_IMX_AUDMIX Say Y if you want to add support for SoC audio on an i.MX board with an Audio Mixer. +config SND_SOC_IMX_HDMI + tristate "SoC Audio support for i.MX boards with HDMI port" + select SND_SOC_FSL_SAI + select SND_SOC_FSL_AUD2HTX + select SND_SOC_HDMI_CODEC + help + ALSA SoC Audio support with HDMI feature for Freescale SoCs that have + SAI/AUD2HTX and connect with internal HDMI IP or external module + SII902X. + Say Y if you want to add support for SoC audio on an i.MX board with + IMX HDMI. + endif # SND_IMX_SOC endmenu diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile index 0b20e038b65b..8c5fa8a859c0 100644 --- a/sound/soc/fsl/Makefile +++ b/sound/soc/fsl/Makefile @@ -65,9 +65,11 @@ snd-soc-imx-es8328-objs := imx-es8328.o snd-soc-imx-sgtl5000-objs := imx-sgtl5000.o snd-soc-imx-spdif-objs := imx-spdif.o snd-soc-imx-audmix-objs := imx-audmix.o +snd-soc-imx-hdmi-objs := imx-hdmi.o obj-$(CONFIG_SND_SOC_EUKREA_TLV320) += snd-soc-eukrea-tlv320.o obj-$(CONFIG_SND_SOC_IMX_ES8328) += snd-soc-imx-es8328.o obj-$(CONFIG_SND_SOC_IMX_SGTL5000) += snd-soc-imx-sgtl5000.o obj-$(CONFIG_SND_SOC_IMX_SPDIF) += snd-soc-imx-spdif.o obj-$(CONFIG_SND_SOC_IMX_AUDMIX) += snd-soc-imx-audmix.o +obj-$(CONFIG_SND_SOC_IMX_HDMI) += snd-soc-imx-hdmi.o diff --git a/sound/soc/fsl/imx-hdmi.c b/sound/soc/fsl/imx-hdmi.c new file mode 100644 index 000000000000..2c2a76a71940 --- /dev/null +++ b/sound/soc/fsl/imx-hdmi.c @@ -0,0 +1,236 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright 2017-2020 NXP + +#include +#include +#include +#include +#include +#include "fsl_sai.h" + +/** + * struct cpu_priv - CPU private data + * @sysclk_freq: SYSCLK rates for set_sysclk() + * @sysclk_dir: SYSCLK directions for set_sysclk() + * @sysclk_id: SYSCLK ids for set_sysclk() + * @slot_width: Slot width of each frame + * + * Note: [1] for tx and [0] for rx + */ +struct cpu_priv { + unsigned long sysclk_freq[2]; + u32 sysclk_dir[2]; + u32 sysclk_id[2]; + u32 slot_width; +}; + +struct imx_hdmi_data { + struct snd_soc_dai_link dai; + struct snd_soc_card card; + struct snd_soc_jack hdmi_jack; + struct snd_soc_jack_pin hdmi_jack_pin; + struct cpu_priv cpu_priv; + u32 dai_fmt; +}; + +static int imx_hdmi_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct imx_hdmi_data *data = snd_soc_card_get_drvdata(rtd->card); + bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct snd_soc_card *card = rtd->card; + struct device *dev = card->dev; + u32 slot_width = data->cpu_priv.slot_width; + int ret; + + /* MCLK always is (256 or 192) * rate. */ + ret = snd_soc_dai_set_sysclk(cpu_dai, data->cpu_priv.sysclk_id[tx], + 8 * slot_width * params_rate(params), + tx ? SND_SOC_CLOCK_OUT : SND_SOC_CLOCK_IN); + if (ret && ret != -ENOTSUPP) { + dev_err(dev, "failed to set cpu sysclk: %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0, 2, slot_width); + if (ret && ret != -ENOTSUPP) { + dev_err(dev, "failed to set cpu dai tdm slot: %d\n", ret); + return ret; + } + + return 0; +} + +static struct snd_soc_ops imx_hdmi_ops = { + .hw_params = imx_hdmi_hw_params, +}; + +static const struct snd_soc_dapm_widget imx_hdmi_widgets[] = { + SND_SOC_DAPM_LINE("HDMI Jack", NULL), +}; + +static int imx_hdmi_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + struct snd_soc_component *component = codec_dai->component; + struct imx_hdmi_data *data = snd_soc_card_get_drvdata(card); + int ret; + + data->hdmi_jack_pin.pin = "HDMI Jack"; + data->hdmi_jack_pin.mask = SND_JACK_LINEOUT; + /* enable jack detection */ + ret = snd_soc_card_jack_new(card, "HDMI Jack", SND_JACK_LINEOUT, + &data->hdmi_jack, &data->hdmi_jack_pin, 1); + if (ret) { + dev_err(card->dev, "Can't new HDMI Jack %d\n", ret); + return ret; + } + + ret = snd_soc_component_set_jack(component, &data->hdmi_jack, NULL); + if (ret && ret != -EOPNOTSUPP) { + dev_err(card->dev, "Can't set HDMI Jack %d\n", ret); + return ret; + } + + return 0; +}; + +static int imx_hdmi_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + bool hdmi_out = of_property_read_bool(np, "hdmi-out"); + bool hdmi_in = of_property_read_bool(np, "hdmi-in"); + struct snd_soc_dai_link_component *dlc; + struct platform_device *cpu_pdev; + struct device_node *cpu_np; + struct imx_hdmi_data *data; + int ret; + + dlc = devm_kzalloc(&pdev->dev, 3 * sizeof(*dlc), GFP_KERNEL); + if (!dlc) + return -ENOMEM; + + cpu_np = of_parse_phandle(np, "audio-cpu", 0); + if (!cpu_np) { + dev_err(&pdev->dev, "cpu dai phandle missing or invalid\n"); + ret = -EINVAL; + goto fail; + } + + cpu_pdev = of_find_device_by_node(cpu_np); + if (!cpu_pdev) { + dev_err(&pdev->dev, "failed to find SAI platform device\n"); + ret = -EINVAL; + goto fail; + } + + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + if (!data) { + ret = -ENOMEM; + goto fail; + } + + data->dai.cpus = &dlc[0]; + data->dai.num_cpus = 1; + data->dai.platforms = &dlc[1]; + data->dai.num_platforms = 1; + data->dai.codecs = &dlc[2]; + data->dai.num_codecs = 1; + + data->dai.name = "i.MX HDMI"; + data->dai.stream_name = "i.MX HDMI"; + data->dai.cpus->dai_name = dev_name(&cpu_pdev->dev); + data->dai.platforms->of_node = cpu_np; + data->dai.ops = &imx_hdmi_ops; + data->dai.playback_only = true; + data->dai.capture_only = false; + data->dai.init = imx_hdmi_init; + + if (of_node_name_eq(cpu_np, "sai")) { + data->cpu_priv.sysclk_id[1] = FSL_SAI_CLK_MAST1; + data->cpu_priv.sysclk_id[0] = FSL_SAI_CLK_MAST1; + } + + if (of_device_is_compatible(np, "fsl,imx-audio-sii902x")) { + data->dai_fmt = SND_SOC_DAIFMT_LEFT_J; + data->cpu_priv.slot_width = 24; + } else { + data->dai_fmt = SND_SOC_DAIFMT_I2S; + data->cpu_priv.slot_width = 32; + } + + if ((hdmi_out && hdmi_in) || (!hdmi_out && !hdmi_in)) { + dev_err(&pdev->dev, "Invalid HDMI DAI link\n"); + goto fail; + } + + if (hdmi_out) { + data->dai.playback_only = true; + data->dai.capture_only = false; + data->dai.codecs->dai_name = "i2s-hifi"; + data->dai.codecs->name = "hdmi-audio-codec.1"; + data->dai.dai_fmt = data->dai_fmt | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS; + } + + if (hdmi_in) { + data->dai.playback_only = false; + data->dai.capture_only = true; + data->dai.codecs->dai_name = "i2s-hifi"; + data->dai.codecs->name = "hdmi-audio-codec.2"; + data->dai.dai_fmt = data->dai_fmt | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM; + } + + data->card.dapm_widgets = imx_hdmi_widgets; + data->card.num_dapm_widgets = ARRAY_SIZE(imx_hdmi_widgets); + data->card.dev = &pdev->dev; + data->card.owner = THIS_MODULE; + ret = snd_soc_of_parse_card_name(&data->card, "model"); + if (ret) + goto fail; + + data->card.num_links = 1; + data->card.dai_link = &data->dai; + + snd_soc_card_set_drvdata(&data->card, data); + ret = devm_snd_soc_register_card(&pdev->dev, &data->card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); + goto fail; + } + +fail: + if (cpu_np) + of_node_put(cpu_np); + + return ret; +} + +static const struct of_device_id imx_hdmi_dt_ids[] = { + { .compatible = "fsl,imx-audio-hdmi", }, + { .compatible = "fsl,imx-audio-sii902x", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, imx_hdmi_dt_ids); + +static struct platform_driver imx_hdmi_driver = { + .driver = { + .name = "imx-hdmi", + .owner = THIS_MODULE, + .pm = &snd_soc_pm_ops, + .of_match_table = imx_hdmi_dt_ids, + }, + .probe = imx_hdmi_probe, +}; +module_platform_driver(imx_hdmi_driver); + +MODULE_AUTHOR("Freescale Semiconductor, Inc."); +MODULE_DESCRIPTION("Freescale i.MX hdmi audio ASoC machine driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:imx-hdmi");