1 // SPDX-License-Identifier: GPL-2.0+
16 	struct device_node *spdif_np, *np = pdev->dev.of_node;  in imx_spdif_audio_probe()
21 	spdif_np = of_parse_phandle(np, "spdif-controller", 0);  in imx_spdif_audio_probe()
23 		dev_err(&pdev->dev, "failed to find spdif-controller\n");  in imx_spdif_audio_probe()
24 		ret = -EINVAL;  in imx_spdif_audio_probe()
28 	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);  in imx_spdif_audio_probe()
29 	comp = devm_kzalloc(&pdev->dev, sizeof(*comp), GFP_KERNEL);  in imx_spdif_audio_probe()
31 		ret = -ENOMEM;  in imx_spdif_audio_probe()
37 	 * platform is using soc-generic-dmaengine-pcm  in imx_spdif_audio_probe()
39 	data->dai.cpus		=  in imx_spdif_audio_probe()
40 	data->dai.platforms	= comp;  in imx_spdif_audio_probe()
41 	data->dai.codecs	= &asoc_dummy_dlc;  in imx_spdif_audio_probe()
43 	data->dai.num_cpus	= 1;  in imx_spdif_audio_probe()
44 	data->dai.num_codecs	= 1;  in imx_spdif_audio_probe()
45 	data->dai.num_platforms	= 1;  in imx_spdif_audio_probe()
47 	data->dai.name = "S/PDIF PCM";  in imx_spdif_audio_probe()
48 	data->dai.stream_name = "S/PDIF PCM";  in imx_spdif_audio_probe()
49 	data->dai.cpus->of_node = spdif_np;  in imx_spdif_audio_probe()
50 	data->dai.playback_only = true;  in imx_spdif_audio_probe()
51 	data->dai.capture_only = true;  in imx_spdif_audio_probe()
53 	if (of_property_read_bool(np, "spdif-out"))  in imx_spdif_audio_probe()
54 		data->dai.capture_only = false;  in imx_spdif_audio_probe()
56 	if (of_property_read_bool(np, "spdif-in"))  in imx_spdif_audio_probe()
57 		data->dai.playback_only = false;  in imx_spdif_audio_probe()
59 	if (data->dai.playback_only && data->dai.capture_only) {  in imx_spdif_audio_probe()
60 		dev_err(&pdev->dev, "no enabled S/PDIF DAI link\n");  in imx_spdif_audio_probe()
64 	data->card.dev = &pdev->dev;  in imx_spdif_audio_probe()
65 	data->card.dai_link = &data->dai;  in imx_spdif_audio_probe()
66 	data->card.num_links = 1;  in imx_spdif_audio_probe()
67 	data->card.owner = THIS_MODULE;  in imx_spdif_audio_probe()
69 	ret = snd_soc_of_parse_card_name(&data->card, "model");  in imx_spdif_audio_probe()
73 	ret = devm_snd_soc_register_card(&pdev->dev, &data->card);  in imx_spdif_audio_probe()
75 		dev_err_probe(&pdev->dev, ret, "snd_soc_register_card failed\n");  in imx_spdif_audio_probe()
84 	{ .compatible = "fsl,imx-audio-spdif", },
91 		.name = "imx-spdif",
103 MODULE_ALIAS("platform:imx-spdif");