1 files changed, 115 insertions, 30 deletions

diff --git a/sound/soc/omap/omap-abe-twl6040.c b/sound/soc/omap/omap-abe-twl6040.c
index 9d93793d3077..be525dfe9faa 100644
--- a/sound/soc/omap/omap-abe-twl6040.c
+++ b/sound/soc/omap/omap-abe-twl6040.c
@@ -25,6 +25,7 @@
 #include <linux/mfd/twl6040.h>
 #include <linux/platform_data/omap-abe-twl6040.h>
 #include <linux/module.h>
+#include <linux/of.h>
 
 #include <sound/core.h>
 #include <sound/pcm.h>
@@ -43,6 +44,8 @@
 struct abe_twl6040 {
         int     jack_detection; /* board can detect jack events */
         int     mclk_freq;      /* MCLK frequency speed for twl6040 */
+
+        struct platform_device *dmic_codec_dev;
 };
 
 static int omap_abe_hw_params(struct snd_pcm_substream *substream,
@@ -185,17 +188,6 @@ static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
         int hs_trim;
         int ret = 0;
 
-        /* Disable not connected paths if not used */
-        twl6040_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone");
-        twl6040_disconnect_pin(dapm, pdata->has_hf, "Ext Spk");
-        twl6040_disconnect_pin(dapm, pdata->has_ep, "Earphone Spk");
-        twl6040_disconnect_pin(dapm, pdata->has_aux, "Line Out");
-        twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vinrator");
-        twl6040_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
-        twl6040_disconnect_pin(dapm, pdata->has_mainmic, "Main Handset Mic");
-        twl6040_disconnect_pin(dapm, pdata->has_submic, "Sub Handset Mic");
-        twl6040_disconnect_pin(dapm, pdata->has_afm, "Line In");
-
         /*
          * Configure McPDM offset cancellation based on the HSOTRIM value from
          * twl6040.
@@ -216,6 +208,24 @@ static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
                 twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
         }
 
+        /*
+         * NULL pdata means we booted with DT. In this case the routing is
+         * provided and the card is fully routed, no need to mark pins.
+         */
+        if (!pdata)
+                return ret;
+
+        /* Disable not connected paths if not used */
+        twl6040_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone");
+        twl6040_disconnect_pin(dapm, pdata->has_hf, "Ext Spk");
+        twl6040_disconnect_pin(dapm, pdata->has_ep, "Earphone Spk");
+        twl6040_disconnect_pin(dapm, pdata->has_aux, "Line Out");
+        twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vinrator");
+        twl6040_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
+        twl6040_disconnect_pin(dapm, pdata->has_mainmic, "Main Handset Mic");
+        twl6040_disconnect_pin(dapm, pdata->has_submic, "Sub Handset Mic");
+        twl6040_disconnect_pin(dapm, pdata->has_afm, "Line In");
+
         return ret;
 }
 
@@ -270,52 +280,116 @@ static struct snd_soc_card omap_abe_card = {
 static __devinit int omap_abe_probe(struct platform_device *pdev)
 {
         struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev);
+        struct device_node *node = pdev->dev.of_node;
         struct snd_soc_card *card = &omap_abe_card;
         struct abe_twl6040 *priv;
         int num_links = 0;
-        int ret;
+        int ret = 0;
 
         card->dev = &pdev->dev;
 
-        if (!pdata) {
-                dev_err(&pdev->dev, "Missing pdata\n");
-                return -ENODEV;
-        }
-
         priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL);
         if (priv == NULL)
                 return -ENOMEM;
 
-        if (pdata->card_name) {
-                card->name = pdata->card_name;
+        priv->dmic_codec_dev = ERR_PTR(-EINVAL);
+
+        if (node) {
+                struct device_node *dai_node;
+
+                if (snd_soc_of_parse_card_name(card, "ti,model")) {
+                        dev_err(&pdev->dev, "Card name is not provided\n");
+                        return -ENODEV;
+                }
+
+                ret = snd_soc_of_parse_audio_routing(card,
+                                                "ti,audio-routing");
+                if (ret) {
+                        dev_err(&pdev->dev,
+                                "Error while parsing DAPM routing\n");
+                        return ret;
+                }
+
+                dai_node = of_parse_phandle(node, "ti,mcpdm", 0);
+                if (!dai_node) {
+                        dev_err(&pdev->dev, "McPDM node is not provided\n");
+                        return -EINVAL;
+                }
+                abe_twl6040_dai_links[0].cpu_dai_name  = NULL;
+                abe_twl6040_dai_links[0].cpu_of_node = dai_node;
+
+                dai_node = of_parse_phandle(node, "ti,dmic", 0);
+                if (dai_node) {
+                        num_links = 2;
+                        abe_twl6040_dai_links[1].cpu_dai_name  = NULL;
+                        abe_twl6040_dai_links[1].cpu_of_node = dai_node;
+
+                        priv->dmic_codec_dev = platform_device_register_simple(
+                                                "dmic-codec", -1, NULL, 0);
+                        if (IS_ERR(priv->dmic_codec_dev)) {
+                                dev_err(&pdev->dev,
+                                        "Can't instantiate dmic-codec\n");
+                                return PTR_ERR(priv->dmic_codec_dev);
+                        }
+                } else {
+                        num_links = 1;
+                }
+
+                of_property_read_u32(node, "ti,jack-detection",
+                                     &priv->jack_detection);
+                of_property_read_u32(node, "ti,mclk-freq",
+                                     &priv->mclk_freq);
+                if (!priv->mclk_freq) {
+                        dev_err(&pdev->dev, "MCLK frequency not provided\n");
+                        ret = -EINVAL;
+                        goto err_unregister;
+                }
+
+                omap_abe_card.fully_routed = 1;
+        } else if (pdata) {
+                if (pdata->card_name) {
+                        card->name = pdata->card_name;
+                } else {
+                        dev_err(&pdev->dev, "Card name is not provided\n");
+                        return -ENODEV;
+                }
+
+                if (pdata->has_dmic)
+                        num_links = 2;
+                else
+                        num_links = 1;
+
+                priv->jack_detection = pdata->jack_detection;
+                priv->mclk_freq = pdata->mclk_freq;
         } else {
-                dev_err(&pdev->dev, "Card name is not provided\n");
+                dev_err(&pdev->dev, "Missing pdata\n");
                 return -ENODEV;
         }
 
-        priv->jack_detection = pdata->jack_detection;
-        priv->mclk_freq = pdata->mclk_freq;
-
 
         if (!priv->mclk_freq) {
                 dev_err(&pdev->dev, "MCLK frequency missing\n");
-                return -ENODEV;
+                ret = -ENODEV;
+                goto err_unregister;
         }
 
-        if (pdata->has_dmic)
-                num_links = 2;
-        else
-                num_links = 1;
-
         card->dai_link = abe_twl6040_dai_links;
         card->num_links = num_links;
 
         snd_soc_card_set_drvdata(card, priv);
 
         ret = snd_soc_register_card(card);
-        if (ret)
+        if (ret) {
                 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
                         ret);
+                goto err_unregister;
+        }
+
+        return 0;
+
+err_unregister:
+        if (!IS_ERR(priv->dmic_codec_dev))
+                platform_device_unregister(priv->dmic_codec_dev);
 
         return ret;
 }
@@ -323,17 +397,28 @@ static __devinit int omap_abe_probe(struct platform_device *pdev)
 static int __devexit omap_abe_remove(struct platform_device *pdev)
 {
         struct snd_soc_card *card = platform_get_drvdata(pdev);
+        struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
 
         snd_soc_unregister_card(card);
 
+        if (!IS_ERR(priv->dmic_codec_dev))
+                platform_device_unregister(priv->dmic_codec_dev);
+
         return 0;
 }
 
+static const struct of_device_id omap_abe_of_match[] = {
+        {.compatible = "ti,abe-twl6040", },
+        { },
+};
+MODULE_DEVICE_TABLE(of, omap_abe_of_match);
+
 static struct platform_driver omap_abe_driver = {
         .driver = {
                 .name = "omap-abe-twl6040",
                 .owner = THIS_MODULE,
                 .pm = &snd_soc_pm_ops,
+                .of_match_table = omap_abe_of_match,
         },
         .probe = omap_abe_probe,
         .remove = __devexit_p(omap_abe_remove),