ASoC: mc13783: Add devicetree support

This patch adds devicetree support for mc13783-codec.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 13 insertions, 1 deletions

diff --git a/sound/soc/codecs/mc13783.c b/sound/soc/codecs/mc13783.c
index 2c59b1fb69dc..a7118052f32a 100644
--- a/sound/soc/codecs/mc13783.c
+++ b/sound/soc/codecs/mc13783.c
@@ -22,6 +22,7 @@
  */
 #include <linux/module.h>
 #include <linux/device.h>
+#include <linux/of.h>
 #include <linux/mfd/mc13xxx.h>
 #include <linux/slab.h>
 #include <sound/core.h>
@@ -750,6 +751,7 @@ static int __init mc13783_codec_probe(struct platform_device *pdev)
 {
         struct mc13783_priv *priv;
         struct mc13xxx_codec_platform_data *pdata = pdev->dev.platform_data;
+        struct device_node *np;
         int ret;
 
         priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
@@ -760,7 +762,17 @@ static int __init mc13783_codec_probe(struct platform_device *pdev)
                 priv->adc_ssi_port = pdata->adc_ssi_port;
                 priv->dac_ssi_port = pdata->dac_ssi_port;
         } else {
-                return -ENOSYS;
+                np = of_get_child_by_name(pdev->dev.parent->of_node, "codec");
+                if (!np)
+                        return -ENOSYS;
+
+                ret = of_property_read_u32(np, "adc-port", &priv->adc_ssi_port);
+                if (ret)
+                        return ret;
+
+                ret = of_property_read_u32(np, "dac-port", &priv->dac_ssi_port);
+                if (ret)
+                        return ret;
         }
 
         dev_set_drvdata(&pdev->dev, priv);