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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-08-29 14:12:15 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-08-31 09:52:43 +0100
commit13c7d08f54cc83c1cd9884c5e142e485b748de18 (patch)
tree1f9d68ce20d0e61c45be82fa52d528c4fe67def4
parent1e3ad571d56ab96e5fab87cea71c0e657d4708cb (diff)
ASoC: Add device tree binding for WM8770
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
-rw-r--r--Documentation/devicetree/bindings/sound/wm8770.txt16
-rw-r--r--sound/soc/codecs/wm8770.c8
2 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/wm8770.txt b/Documentation/devicetree/bindings/sound/wm8770.txt
new file mode 100644
index 000000000000..866e00ca150b
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/wm8770.txt
@@ -0,0 +1,16 @@
+WM8770 audio CODEC
+
+This device supports SPI.
+
+Required properties:
+
+ - compatible : "wlf,wm8770"
+
+ - reg : the chip select number.
+
+Example:
+
+codec: wm8770@1 {
+ compatible = "wlf,wm8770";
+ reg = <1>;
+};
diff --git a/sound/soc/codecs/wm8770.c b/sound/soc/codecs/wm8770.c
index 19b92baa9e8c..aa05e6507f84 100644
--- a/sound/soc/codecs/wm8770.c
+++ b/sound/soc/codecs/wm8770.c
@@ -14,6 +14,7 @@
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
+#include <linux/of_device.h>
#include <linux/pm.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
@@ -684,6 +685,12 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8770 = {
.reg_cache_default = wm8770_reg_defs
};
+static const struct of_device_id wm8770_of_match[] = {
+ { .compatible = "wlf,wm8770", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, wm8770_of_match);
+
#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8770_spi_probe(struct spi_device *spi)
{
@@ -715,6 +722,7 @@ static struct spi_driver wm8770_spi_driver = {
.driver = {
.name = "wm8770",
.owner = THIS_MODULE,
+ .of_match_table = wm8770_of_match,
},
.probe = wm8770_spi_probe,
.remove = __devexit_p(wm8770_spi_remove)