ASoC: Add device tree support for WM8580

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>

diff --git a/Documentation/devicetree/bindings/sound/wm8580.txt b/Documentation/devicetree/bindings/sound/wm8580.txt
new file mode 100644 (file)
index 0000000..7d9821f
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/wm8580.txt
@@ -0,0 +1,16 @@
+WM8580 audio CODEC
+
+This device supports I2C only.
+
+Required properties:
+
+  - compatible : "wlf,wm8580"
+
+  - reg : the I2C address of the device.
+
+Example:
+
+codec: wm8580@1a {
+       compatible = "wlf,wm8580";
+       reg = <0x1a>;
+};

diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c
index 95ac6651094f122bb268efaa8a5ade51dd9fd5b0..4664c3a76c78967daf05cdb6c8bb0d67d91aad9e 100644 (file)
--- a/sound/soc/codecs/wm8580.c
+++ b/sound/soc/codecs/wm8580.c
@@ -26,6 +26,7 @@
 #include <linux/platform_device.h>
 #include <linux/regulator/consumer.h>
 #include <linux/slab.h>
+#include <linux/of_device.h>
 
 #include <sound/core.h>
 #include <sound/pcm.h>
@@ -907,6 +908,11 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8580 = {
        .reg_cache_default = wm8580_reg,
 };
 
+static const struct of_device_id wm8580_of_match[] = {
+       { .compatible = "wlf,wm8580" },
+       { },
+};
+
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 static int wm8580_i2c_probe(struct i2c_client *i2c,
                            const struct i2c_device_id *id)
@@ -945,6 +951,7 @@ static struct i2c_driver wm8580_i2c_driver = {
        .driver = {
                .name = "wm8580",
                .owner = THIS_MODULE,
+               .of_match_table = wm8580_of_match,
        },
        .probe =    wm8580_i2c_probe,
        .remove =   wm8580_i2c_remove,