11896b485SSylwester Nawrocki // SPDX-License-Identifier: GPL-2.0
21896b485SSylwester Nawrocki //
31896b485SSylwester Nawrocki // Copyright (C) 2017 Samsung Electronics Co., Ltd.
4aba611fcSSylwester Nawrocki
5aba611fcSSylwester Nawrocki #include <linux/clk.h>
6bc3cf17bSSylwester Nawrocki #include <linux/clk-provider.h>
7aba611fcSSylwester Nawrocki #include <linux/of.h>
8aba611fcSSylwester Nawrocki #include <linux/of_device.h>
9aba611fcSSylwester Nawrocki #include <linux/module.h>
10aba611fcSSylwester Nawrocki #include <sound/soc.h>
11aba611fcSSylwester Nawrocki #include <sound/pcm_params.h>
12aba611fcSSylwester Nawrocki #include "i2s.h"
13aba611fcSSylwester Nawrocki #include "i2s-regs.h"
14aba611fcSSylwester Nawrocki
15aba611fcSSylwester Nawrocki struct odroid_priv {
16aba611fcSSylwester Nawrocki struct snd_soc_card card;
17a8ad0c85SSylwester Nawrocki struct clk *clk_i2s_bus;
18a8ad0c85SSylwester Nawrocki struct clk *sclk_i2s;
19b5c16a24SSylwester Nawrocki
20b5c16a24SSylwester Nawrocki /* Spinlock protecting fields below */
21b5c16a24SSylwester Nawrocki spinlock_t lock;
22b5c16a24SSylwester Nawrocki unsigned int be_sample_rate;
23b5c16a24SSylwester Nawrocki bool be_active;
24aba611fcSSylwester Nawrocki };
25aba611fcSSylwester Nawrocki
odroid_card_fe_startup(struct snd_pcm_substream * substream)26bc3cf17bSSylwester Nawrocki static int odroid_card_fe_startup(struct snd_pcm_substream *substream)
27aba611fcSSylwester Nawrocki {
28aba611fcSSylwester Nawrocki struct snd_pcm_runtime *runtime = substream->runtime;
29aba611fcSSylwester Nawrocki
30aba611fcSSylwester Nawrocki snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
31bc3cf17bSSylwester Nawrocki
32aba611fcSSylwester Nawrocki return 0;
33aba611fcSSylwester Nawrocki }
34aba611fcSSylwester Nawrocki
odroid_card_fe_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)35b5c16a24SSylwester Nawrocki static int odroid_card_fe_hw_params(struct snd_pcm_substream *substream,
36b5c16a24SSylwester Nawrocki struct snd_pcm_hw_params *params)
37b5c16a24SSylwester Nawrocki {
38c101ce88SKuninori Morimoto struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
39b5c16a24SSylwester Nawrocki struct odroid_priv *priv = snd_soc_card_get_drvdata(rtd->card);
40b5c16a24SSylwester Nawrocki unsigned long flags;
41b5c16a24SSylwester Nawrocki int ret = 0;
42b5c16a24SSylwester Nawrocki
43b5c16a24SSylwester Nawrocki spin_lock_irqsave(&priv->lock, flags);
44b5c16a24SSylwester Nawrocki if (priv->be_active && priv->be_sample_rate != params_rate(params))
45b5c16a24SSylwester Nawrocki ret = -EINVAL;
46b5c16a24SSylwester Nawrocki spin_unlock_irqrestore(&priv->lock, flags);
47b5c16a24SSylwester Nawrocki
48b5c16a24SSylwester Nawrocki return ret;
49b5c16a24SSylwester Nawrocki }
50b5c16a24SSylwester Nawrocki
51bc3cf17bSSylwester Nawrocki static const struct snd_soc_ops odroid_card_fe_ops = {
52bc3cf17bSSylwester Nawrocki .startup = odroid_card_fe_startup,
53b5c16a24SSylwester Nawrocki .hw_params = odroid_card_fe_hw_params,
54bc3cf17bSSylwester Nawrocki };
55bc3cf17bSSylwester Nawrocki
odroid_card_be_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)56bc3cf17bSSylwester Nawrocki static int odroid_card_be_hw_params(struct snd_pcm_substream *substream,
57aba611fcSSylwester Nawrocki struct snd_pcm_hw_params *params)
58aba611fcSSylwester Nawrocki {
59c101ce88SKuninori Morimoto struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
60aba611fcSSylwester Nawrocki struct odroid_priv *priv = snd_soc_card_get_drvdata(rtd->card);
611d22c337SSylwester Nawrocki unsigned int pll_freq, rclk_freq, rfs;
62b5c16a24SSylwester Nawrocki unsigned long flags;
63aba611fcSSylwester Nawrocki int ret;
64aba611fcSSylwester Nawrocki
65aba611fcSSylwester Nawrocki switch (params_rate(params)) {
66aba611fcSSylwester Nawrocki case 64000:
671d22c337SSylwester Nawrocki pll_freq = 196608001U;
681d22c337SSylwester Nawrocki rfs = 384;
69aba611fcSSylwester Nawrocki break;
70aba611fcSSylwester Nawrocki case 44100:
71aba611fcSSylwester Nawrocki case 88200:
729d154e42SSylwester Nawrocki pll_freq = 180633609U;
731d22c337SSylwester Nawrocki rfs = 512;
74aba611fcSSylwester Nawrocki break;
751d22c337SSylwester Nawrocki case 32000:
76aba611fcSSylwester Nawrocki case 48000:
77aba611fcSSylwester Nawrocki case 96000:
789d154e42SSylwester Nawrocki pll_freq = 196608001U;
791d22c337SSylwester Nawrocki rfs = 512;
80aba611fcSSylwester Nawrocki break;
81aba611fcSSylwester Nawrocki default:
82aba611fcSSylwester Nawrocki return -EINVAL;
83aba611fcSSylwester Nawrocki }
84aba611fcSSylwester Nawrocki
85a8ad0c85SSylwester Nawrocki ret = clk_set_rate(priv->clk_i2s_bus, pll_freq / 2 + 1);
86aba611fcSSylwester Nawrocki if (ret < 0)
87aba611fcSSylwester Nawrocki return ret;
88aba611fcSSylwester Nawrocki
89a8ad0c85SSylwester Nawrocki /*
902b13bee3SSylwester Nawrocki * We add 2 to the rclk_freq value in order to avoid too low clock
91a8ad0c85SSylwester Nawrocki * frequency values due to the EPLL output frequency not being exact
92a8ad0c85SSylwester Nawrocki * multiple of the audio sampling rate.
93a8ad0c85SSylwester Nawrocki */
942b13bee3SSylwester Nawrocki rclk_freq = params_rate(params) * rfs + 2;
95aba611fcSSylwester Nawrocki
96a8ad0c85SSylwester Nawrocki ret = clk_set_rate(priv->sclk_i2s, rclk_freq);
97aba611fcSSylwester Nawrocki if (ret < 0)
98aba611fcSSylwester Nawrocki return ret;
99aba611fcSSylwester Nawrocki
1003989ade2SKuninori Morimoto if (rtd->dai_link->num_codecs > 1) {
1017de6b6bcSKuninori Morimoto struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 1);
102aba611fcSSylwester Nawrocki
103aba611fcSSylwester Nawrocki ret = snd_soc_dai_set_sysclk(codec_dai, 0, rclk_freq,
104aba611fcSSylwester Nawrocki SND_SOC_CLOCK_IN);
105aba611fcSSylwester Nawrocki if (ret < 0)
106aba611fcSSylwester Nawrocki return ret;
107aba611fcSSylwester Nawrocki }
108aba611fcSSylwester Nawrocki
109b5c16a24SSylwester Nawrocki spin_lock_irqsave(&priv->lock, flags);
110b5c16a24SSylwester Nawrocki priv->be_sample_rate = params_rate(params);
111b5c16a24SSylwester Nawrocki spin_unlock_irqrestore(&priv->lock, flags);
112b5c16a24SSylwester Nawrocki
113b5c16a24SSylwester Nawrocki return 0;
114b5c16a24SSylwester Nawrocki }
115b5c16a24SSylwester Nawrocki
odroid_card_be_trigger(struct snd_pcm_substream * substream,int cmd)116b5c16a24SSylwester Nawrocki static int odroid_card_be_trigger(struct snd_pcm_substream *substream, int cmd)
117b5c16a24SSylwester Nawrocki {
118c101ce88SKuninori Morimoto struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
119b5c16a24SSylwester Nawrocki struct odroid_priv *priv = snd_soc_card_get_drvdata(rtd->card);
120b5c16a24SSylwester Nawrocki unsigned long flags;
121b5c16a24SSylwester Nawrocki
122b5c16a24SSylwester Nawrocki spin_lock_irqsave(&priv->lock, flags);
123b5c16a24SSylwester Nawrocki
124b5c16a24SSylwester Nawrocki switch (cmd) {
125b5c16a24SSylwester Nawrocki case SNDRV_PCM_TRIGGER_START:
126b5c16a24SSylwester Nawrocki case SNDRV_PCM_TRIGGER_RESUME:
127b5c16a24SSylwester Nawrocki case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
128b5c16a24SSylwester Nawrocki priv->be_active = true;
129b5c16a24SSylwester Nawrocki break;
130b5c16a24SSylwester Nawrocki
131b5c16a24SSylwester Nawrocki case SNDRV_PCM_TRIGGER_STOP:
132b5c16a24SSylwester Nawrocki case SNDRV_PCM_TRIGGER_SUSPEND:
133b5c16a24SSylwester Nawrocki case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
134b5c16a24SSylwester Nawrocki priv->be_active = false;
135b5c16a24SSylwester Nawrocki break;
136b5c16a24SSylwester Nawrocki }
137b5c16a24SSylwester Nawrocki
138b5c16a24SSylwester Nawrocki spin_unlock_irqrestore(&priv->lock, flags);
139b5c16a24SSylwester Nawrocki
140aba611fcSSylwester Nawrocki return 0;
141aba611fcSSylwester Nawrocki }
142aba611fcSSylwester Nawrocki
143bc3cf17bSSylwester Nawrocki static const struct snd_soc_ops odroid_card_be_ops = {
144bc3cf17bSSylwester Nawrocki .hw_params = odroid_card_be_hw_params,
145b5c16a24SSylwester Nawrocki .trigger = odroid_card_be_trigger,
146bc3cf17bSSylwester Nawrocki };
147bc3cf17bSSylwester Nawrocki
148f89aea0fSSylwester Nawrocki /* DAPM routes for backward compatibility with old DTS */
149f89aea0fSSylwester Nawrocki static const struct snd_soc_dapm_route odroid_dapm_routes[] = {
150f89aea0fSSylwester Nawrocki { "I2S Playback", NULL, "Mixer DAI TX" },
151f89aea0fSSylwester Nawrocki { "HiFi Playback", NULL, "Mixer DAI TX" },
152f89aea0fSSylwester Nawrocki };
153f89aea0fSSylwester Nawrocki
1543cddda10SKuninori Morimoto SND_SOC_DAILINK_DEFS(primary,
1553cddda10SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_EMPTY()),
1563cddda10SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_DUMMY()),
1573cddda10SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_PLATFORM("3830000.i2s")));
1583cddda10SKuninori Morimoto
1593cddda10SKuninori Morimoto SND_SOC_DAILINK_DEFS(mixer,
1603cddda10SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_DUMMY()),
1613cddda10SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_EMPTY()),
1623cddda10SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_DUMMY()));
1633cddda10SKuninori Morimoto
1643cddda10SKuninori Morimoto SND_SOC_DAILINK_DEFS(secondary,
1653cddda10SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_EMPTY()),
1663cddda10SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_DUMMY()),
1673cddda10SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_PLATFORM("3830000.i2s-sec")));
1683cddda10SKuninori Morimoto
169bc3cf17bSSylwester Nawrocki static struct snd_soc_dai_link odroid_card_dais[] = {
170bc3cf17bSSylwester Nawrocki {
171bc3cf17bSSylwester Nawrocki /* Primary FE <-> BE link */
172bc3cf17bSSylwester Nawrocki .ops = &odroid_card_fe_ops,
173bc3cf17bSSylwester Nawrocki .name = "Primary",
174bc3cf17bSSylwester Nawrocki .stream_name = "Primary",
175bc3cf17bSSylwester Nawrocki .dynamic = 1,
176bc3cf17bSSylwester Nawrocki .dpcm_playback = 1,
1773cddda10SKuninori Morimoto SND_SOC_DAILINK_REG(primary),
178bc3cf17bSSylwester Nawrocki }, {
179bc3cf17bSSylwester Nawrocki /* BE <-> CODECs link */
180bc3cf17bSSylwester Nawrocki .name = "I2S Mixer",
181bc3cf17bSSylwester Nawrocki .ops = &odroid_card_be_ops,
182bc3cf17bSSylwester Nawrocki .no_pcm = 1,
183bc3cf17bSSylwester Nawrocki .dpcm_playback = 1,
184bc3cf17bSSylwester Nawrocki .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
185bc3cf17bSSylwester Nawrocki SND_SOC_DAIFMT_CBS_CFS,
1863cddda10SKuninori Morimoto SND_SOC_DAILINK_REG(mixer),
187bc3cf17bSSylwester Nawrocki }, {
188bc3cf17bSSylwester Nawrocki /* Secondary FE <-> BE link */
189bc3cf17bSSylwester Nawrocki .playback_only = 1,
190bc3cf17bSSylwester Nawrocki .ops = &odroid_card_fe_ops,
191bc3cf17bSSylwester Nawrocki .name = "Secondary",
192bc3cf17bSSylwester Nawrocki .stream_name = "Secondary",
193bc3cf17bSSylwester Nawrocki .dynamic = 1,
194bc3cf17bSSylwester Nawrocki .dpcm_playback = 1,
1953cddda10SKuninori Morimoto SND_SOC_DAILINK_REG(secondary),
196bc3cf17bSSylwester Nawrocki }
197aba611fcSSylwester Nawrocki };
198aba611fcSSylwester Nawrocki
odroid_audio_probe(struct platform_device * pdev)199aba611fcSSylwester Nawrocki static int odroid_audio_probe(struct platform_device *pdev)
200aba611fcSSylwester Nawrocki {
201aba611fcSSylwester Nawrocki struct device *dev = &pdev->dev;
2023af81600SSylwester Nawrocki struct device_node *cpu_dai = NULL;
2033af81600SSylwester Nawrocki struct device_node *cpu, *codec;
204aba611fcSSylwester Nawrocki struct odroid_priv *priv;
205aba611fcSSylwester Nawrocki struct snd_soc_card *card;
206bc3cf17bSSylwester Nawrocki struct snd_soc_dai_link *link, *codec_link;
207bc3cf17bSSylwester Nawrocki int num_pcms, ret, i;
208aba611fcSSylwester Nawrocki
209aba611fcSSylwester Nawrocki priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
210aba611fcSSylwester Nawrocki if (!priv)
211aba611fcSSylwester Nawrocki return -ENOMEM;
212aba611fcSSylwester Nawrocki
213aba611fcSSylwester Nawrocki card = &priv->card;
214aba611fcSSylwester Nawrocki card->dev = dev;
215aba611fcSSylwester Nawrocki
216aba611fcSSylwester Nawrocki card->owner = THIS_MODULE;
217aba611fcSSylwester Nawrocki card->fully_routed = true;
218aba611fcSSylwester Nawrocki
219b5c16a24SSylwester Nawrocki spin_lock_init(&priv->lock);
220aba611fcSSylwester Nawrocki snd_soc_card_set_drvdata(card, priv);
221aba611fcSSylwester Nawrocki
222aba611fcSSylwester Nawrocki ret = snd_soc_of_parse_card_name(card, "model");
223aba611fcSSylwester Nawrocki if (ret < 0)
224aba611fcSSylwester Nawrocki return ret;
225aba611fcSSylwester Nawrocki
226ebba2fd5SKrzysztof Kozlowski if (of_property_present(dev->of_node, "samsung,audio-widgets")) {
227aba611fcSSylwester Nawrocki ret = snd_soc_of_parse_audio_simple_widgets(card,
228aba611fcSSylwester Nawrocki "samsung,audio-widgets");
229aba611fcSSylwester Nawrocki if (ret < 0)
230aba611fcSSylwester Nawrocki return ret;
231aba611fcSSylwester Nawrocki }
232aba611fcSSylwester Nawrocki
233*2dc8c036SKrzysztof Kozlowski ret = 0;
234*2dc8c036SKrzysztof Kozlowski if (of_property_present(dev->of_node, "audio-routing"))
235*2dc8c036SKrzysztof Kozlowski ret = snd_soc_of_parse_audio_routing(card, "audio-routing");
236*2dc8c036SKrzysztof Kozlowski else if (of_property_present(dev->of_node, "samsung,audio-routing"))
237*2dc8c036SKrzysztof Kozlowski ret = snd_soc_of_parse_audio_routing(card, "samsung,audio-routing");
238aba611fcSSylwester Nawrocki if (ret < 0)
239aba611fcSSylwester Nawrocki return ret;
240aba611fcSSylwester Nawrocki
241bc3cf17bSSylwester Nawrocki card->dai_link = odroid_card_dais;
242bc3cf17bSSylwester Nawrocki card->num_links = ARRAY_SIZE(odroid_card_dais);
243aba611fcSSylwester Nawrocki
244aba611fcSSylwester Nawrocki cpu = of_get_child_by_name(dev->of_node, "cpu");
245aba611fcSSylwester Nawrocki codec = of_get_child_by_name(dev->of_node, "codec");
246bc3cf17bSSylwester Nawrocki link = card->dai_link;
247bc3cf17bSSylwester Nawrocki codec_link = &card->dai_link[1];
248aba611fcSSylwester Nawrocki
249bc3cf17bSSylwester Nawrocki /*
250bc3cf17bSSylwester Nawrocki * For backwards compatibility create the secondary CPU DAI link only
251bc3cf17bSSylwester Nawrocki * if there are 2 CPU DAI entries in the cpu sound-dai property in DT.
252f89aea0fSSylwester Nawrocki * Also add required DAPM routes not available in old DTS.
253bc3cf17bSSylwester Nawrocki */
254bc3cf17bSSylwester Nawrocki num_pcms = of_count_phandle_with_args(cpu, "sound-dai",
255bc3cf17bSSylwester Nawrocki "#sound-dai-cells");
256f89aea0fSSylwester Nawrocki if (num_pcms == 1) {
257f89aea0fSSylwester Nawrocki card->dapm_routes = odroid_dapm_routes;
258f89aea0fSSylwester Nawrocki card->num_dapm_routes = ARRAY_SIZE(odroid_dapm_routes);
259bc3cf17bSSylwester Nawrocki card->num_links--;
260f89aea0fSSylwester Nawrocki }
261bc3cf17bSSylwester Nawrocki
262bc3cf17bSSylwester Nawrocki for (i = 0; i < num_pcms; i++, link += 2) {
26350233f28SKuninori Morimoto ret = snd_soc_of_get_dai_name(cpu, &link->cpus->dai_name, i);
264bc3cf17bSSylwester Nawrocki if (ret < 0)
265d832d2b2SSylwester Nawrocki break;
266bc3cf17bSSylwester Nawrocki }
2673af81600SSylwester Nawrocki if (ret == 0) {
268bc3cf17bSSylwester Nawrocki cpu_dai = of_parse_phandle(cpu, "sound-dai", 0);
2693af81600SSylwester Nawrocki if (!cpu_dai)
2703af81600SSylwester Nawrocki ret = -EINVAL;
2713af81600SSylwester Nawrocki }
272d832d2b2SSylwester Nawrocki
273bc3cf17bSSylwester Nawrocki of_node_put(cpu);
274d832d2b2SSylwester Nawrocki if (ret < 0)
2759b6d104aSWen Yang goto err_put_node;
276bc3cf17bSSylwester Nawrocki
277bc3cf17bSSylwester Nawrocki ret = snd_soc_of_get_dai_link_codecs(dev, codec, codec_link);
278aba611fcSSylwester Nawrocki if (ret < 0)
279d832d2b2SSylwester Nawrocki goto err_put_cpu_dai;
280aba611fcSSylwester Nawrocki
281bc3cf17bSSylwester Nawrocki /* Set capture capability only for boards with the MAX98090 CODEC */
282bc3cf17bSSylwester Nawrocki if (codec_link->num_codecs > 1) {
283bc3cf17bSSylwester Nawrocki card->dai_link[0].dpcm_capture = 1;
284bc3cf17bSSylwester Nawrocki card->dai_link[1].dpcm_capture = 1;
285a8ad0c85SSylwester Nawrocki }
286a8ad0c85SSylwester Nawrocki
287bc3cf17bSSylwester Nawrocki priv->sclk_i2s = of_clk_get_by_name(cpu_dai, "i2s_opclk1");
288bc3cf17bSSylwester Nawrocki if (IS_ERR(priv->sclk_i2s)) {
289bc3cf17bSSylwester Nawrocki ret = PTR_ERR(priv->sclk_i2s);
290d832d2b2SSylwester Nawrocki goto err_put_cpu_dai;
291bc3cf17bSSylwester Nawrocki }
292bc3cf17bSSylwester Nawrocki
293bc3cf17bSSylwester Nawrocki priv->clk_i2s_bus = of_clk_get_by_name(cpu_dai, "iis");
294a8ad0c85SSylwester Nawrocki if (IS_ERR(priv->clk_i2s_bus)) {
295a8ad0c85SSylwester Nawrocki ret = PTR_ERR(priv->clk_i2s_bus);
296a8ad0c85SSylwester Nawrocki goto err_put_sclk;
297a8ad0c85SSylwester Nawrocki }
298a8ad0c85SSylwester Nawrocki
299aba611fcSSylwester Nawrocki ret = devm_snd_soc_register_card(dev, card);
300aba611fcSSylwester Nawrocki if (ret < 0) {
30127c6eaebSKuninori Morimoto dev_err_probe(dev, ret, "snd_soc_register_card() failed\n");
302a8ad0c85SSylwester Nawrocki goto err_put_clk_i2s;
303aba611fcSSylwester Nawrocki }
304aba611fcSSylwester Nawrocki
3052abee12cSWen Yang of_node_put(cpu_dai);
3069b6d104aSWen Yang of_node_put(codec);
307aba611fcSSylwester Nawrocki return 0;
308aba611fcSSylwester Nawrocki
309a8ad0c85SSylwester Nawrocki err_put_clk_i2s:
310a8ad0c85SSylwester Nawrocki clk_put(priv->clk_i2s_bus);
311a8ad0c85SSylwester Nawrocki err_put_sclk:
312a8ad0c85SSylwester Nawrocki clk_put(priv->sclk_i2s);
313d832d2b2SSylwester Nawrocki err_put_cpu_dai:
314d832d2b2SSylwester Nawrocki of_node_put(cpu_dai);
315bc3cf17bSSylwester Nawrocki snd_soc_of_put_dai_link_codecs(codec_link);
3169b6d104aSWen Yang err_put_node:
3179b6d104aSWen Yang of_node_put(codec);
318aba611fcSSylwester Nawrocki return ret;
319aba611fcSSylwester Nawrocki }
320aba611fcSSylwester Nawrocki
odroid_audio_remove(struct platform_device * pdev)321d530e675SUwe Kleine-König static void odroid_audio_remove(struct platform_device *pdev)
322aba611fcSSylwester Nawrocki {
323aba611fcSSylwester Nawrocki struct odroid_priv *priv = platform_get_drvdata(pdev);
324aba611fcSSylwester Nawrocki
325bc3cf17bSSylwester Nawrocki snd_soc_of_put_dai_link_codecs(&priv->card.dai_link[1]);
326a8ad0c85SSylwester Nawrocki clk_put(priv->sclk_i2s);
327a8ad0c85SSylwester Nawrocki clk_put(priv->clk_i2s_bus);
328aba611fcSSylwester Nawrocki }
329aba611fcSSylwester Nawrocki
330aba611fcSSylwester Nawrocki static const struct of_device_id odroid_audio_of_match[] = {
331d9e57512SSylwester Nawrocki { .compatible = "hardkernel,odroid-xu3-audio" },
332d9e57512SSylwester Nawrocki { .compatible = "hardkernel,odroid-xu4-audio" },
333aba611fcSSylwester Nawrocki { .compatible = "samsung,odroid-xu3-audio" },
334aba611fcSSylwester Nawrocki { .compatible = "samsung,odroid-xu4-audio" },
335aba611fcSSylwester Nawrocki { },
336aba611fcSSylwester Nawrocki };
337aba611fcSSylwester Nawrocki MODULE_DEVICE_TABLE(of, odroid_audio_of_match);
338aba611fcSSylwester Nawrocki
339aba611fcSSylwester Nawrocki static struct platform_driver odroid_audio_driver = {
340aba611fcSSylwester Nawrocki .driver = {
341aba611fcSSylwester Nawrocki .name = "odroid-audio",
342aba611fcSSylwester Nawrocki .of_match_table = odroid_audio_of_match,
343aba611fcSSylwester Nawrocki .pm = &snd_soc_pm_ops,
344aba611fcSSylwester Nawrocki },
345aba611fcSSylwester Nawrocki .probe = odroid_audio_probe,
346d530e675SUwe Kleine-König .remove_new = odroid_audio_remove,
347aba611fcSSylwester Nawrocki };
348aba611fcSSylwester Nawrocki module_platform_driver(odroid_audio_driver);
349aba611fcSSylwester Nawrocki
350aba611fcSSylwester Nawrocki MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>");
351aba611fcSSylwester Nawrocki MODULE_DESCRIPTION("Odroid XU3/XU4 audio support");
352aba611fcSSylwester Nawrocki MODULE_LICENSE("GPL v2");
353