Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- Documentation/devicetree/bindings/sound/wm8750.txt | 18 ++++++++++++++++++ sound/soc/codecs/wm8750.c | 10 ++++++++++ 2 files changed, 28 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/sound/wm8750.txt
diff --git a/Documentation/devicetree/bindings/sound/wm8750.txt b/Documentation/devicetree/bindings/sound/wm8750.txt new file mode 100644 index 0000000..8db239f --- /dev/null +++ b/Documentation/devicetree/bindings/sound/wm8750.txt @@ -0,0 +1,18 @@ +WM8750 and WM8987 audio CODECs + +These devices support both I2C and SPI (configured with pin strapping +on the board). + +Required properties: + + - compatible : "wlf,wm8750" or "wlf,wm8987" + + - reg : the I2C address of the device for I2C, the chip select + number for SPI. + +Example: + +codec: wm8750@1a { + compatible = "wlf,wm8750"; + reg = <0x1a>; +}; diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c index 6bca568..f0ccbef 100644 --- a/sound/soc/codecs/wm8750.c +++ b/sound/soc/codecs/wm8750.c @@ -21,6 +21,7 @@ #include <linux/platform_device.h> #include <linux/spi/spi.h> #include <linux/slab.h> +#include <linux/of_device.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> @@ -751,6 +752,13 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8750 = { .reg_cache_default = wm8750_reg, };
+static const struct of_device_id wm8750_of_match[] = { + { .compatible = "wlf,wm8750", }, + { .compatible = "wlf,wm8987", }, + { } +}; +MODULE_DEVICE_TABLE(of, wm8750_of_match); + #if defined(CONFIG_SPI_MASTER) static int __devinit wm8750_spi_probe(struct spi_device *spi) { @@ -788,6 +796,7 @@ static struct spi_driver wm8750_spi_driver = { .driver = { .name = "wm8750", .owner = THIS_MODULE, + .of_match_table = wm8750_of_match, }, .id_table = wm8750_spi_ids, .probe = wm8750_spi_probe, @@ -834,6 +843,7 @@ static struct i2c_driver wm8750_i2c_driver = { .driver = { .name = "wm8750", .owner = THIS_MODULE, + .of_match_table = wm8750_of_match, }, .probe = wm8750_i2c_probe, .remove = __devexit_p(wm8750_i2c_remove),