1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * atmel_wm8904 - Atmel ASoC driver for boards with WM8904 codec.
16 #include "../codecs/wm8904.h"
35 		pr_err("%s - failed to set wm8904 codec PLL.", __func__);  in atmel_asoc_wm8904_hw_params()
40 	 * As here wm8904 use FLL output as its system clock  in atmel_asoc_wm8904_hw_params()
47 		pr_err("%s -failed to set wm8904 SYSCLK\n", __func__);  in atmel_asoc_wm8904_hw_params()
60 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8904-hifi")),
64 	.name = "WM8904",
65 	.stream_name = "WM8904 PCM",
85 	struct device_node *np = pdev->dev.of_node;  in atmel_asoc_wm8904_dt_init()
92 		dev_err(&pdev->dev, "only device tree supported\n");  in atmel_asoc_wm8904_dt_init()
93 		return -EINVAL;  in atmel_asoc_wm8904_dt_init()
98 		dev_err(&pdev->dev, "failed to parse card name\n");  in atmel_asoc_wm8904_dt_init()
102 	ret = snd_soc_of_parse_audio_routing(card, "atmel,audio-routing");  in atmel_asoc_wm8904_dt_init()
104 		dev_err(&pdev->dev, "failed to parse audio routing\n");  in atmel_asoc_wm8904_dt_init()
108 	cpu_np = of_parse_phandle(np, "atmel,ssc-controller", 0);  in atmel_asoc_wm8904_dt_init()
110 		dev_err(&pdev->dev, "failed to get dai and pcm info\n");  in atmel_asoc_wm8904_dt_init()
111 		ret = -EINVAL;  in atmel_asoc_wm8904_dt_init()
114 	dailink->cpus->of_node = cpu_np;  in atmel_asoc_wm8904_dt_init()
115 	dailink->platforms->of_node = cpu_np;  in atmel_asoc_wm8904_dt_init()
118 	codec_np = of_parse_phandle(np, "atmel,audio-codec", 0);  in atmel_asoc_wm8904_dt_init()
120 		dev_err(&pdev->dev, "failed to get codec info\n");  in atmel_asoc_wm8904_dt_init()
121 		ret = -EINVAL;  in atmel_asoc_wm8904_dt_init()
124 	dailink->codecs->of_node = codec_np;  in atmel_asoc_wm8904_dt_init()
136 	card->dev = &pdev->dev;  in atmel_asoc_wm8904_probe()
139 		dev_err(&pdev->dev, "failed to init dt info\n");  in atmel_asoc_wm8904_probe()
143 	id = of_alias_get_id((struct device_node *)dailink->cpus->of_node, "ssc");  in atmel_asoc_wm8904_probe()
146 		dev_err(&pdev->dev, "failed to set SSC %d for audio\n", id);  in atmel_asoc_wm8904_probe()
152 		dev_err(&pdev->dev, "snd_soc_register_card failed\n");  in atmel_asoc_wm8904_probe()
169 	id = of_alias_get_id((struct device_node *)dailink->cpus->of_node, "ssc");  in atmel_asoc_wm8904_remove()
177 	{ .compatible = "atmel,asoc-wm8904", },
185 		.name = "atmel-wm8904-audio",
197 MODULE_DESCRIPTION("ALSA SoC machine driver for Atmel EK with WM8904 codec");