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| author | Fabio Estevam <fabio.estevam@nxp.com> | 2017-09-19 19:59:04 -0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-09-20 12:39:47 +0100 |
| commit | 3d345b5f7b2f613b6965fc3fc68de9f439752ffe (patch) | |
| tree | fbdec5d08a6a2237af272ca19914573f46f33ca0 | |
| parent | 2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e (diff) | |
| download | blackbird-obmc-linux-3d345b5f7b2f613b6965fc3fc68de9f439752ffe.tar.gz blackbird-obmc-linux-3d345b5f7b2f613b6965fc3fc68de9f439752ffe.zip | |
ASoC: tfa9879: Add device tree bindings
Even though the tfa9879 driver can probe via device tree trough the
I2C core code, it is preferable to have explicit device tree
bindings instead [1], so add this support.
[1] https://www.spinics.net/lists/devicetree/msg195176.html
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Łukasz Majewski <lukma@denx.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/sound/tfa9879.txt | 23 | ||||
| -rw-r--r-- | sound/soc/codecs/tfa9879.c | 6 |
2 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/tfa9879.txt b/Documentation/devicetree/bindings/sound/tfa9879.txt new file mode 100644 index 000000000000..23ba522d9e2b --- /dev/null +++ b/Documentation/devicetree/bindings/sound/tfa9879.txt @@ -0,0 +1,23 @@ +NXP TFA9879 class-D audio amplifier + +Required properties: + +- compatible : "nxp,tfa9879" + +- reg : the I2C address of the device + +Example: + +&i2c1 { + clock-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c1>; + status = "okay"; + + codec: tfa9879@6c { + #sound-dai-cells = <0>; + compatible = "nxp,tfa9879"; + reg = <0x6c>; + }; +}; + diff --git a/sound/soc/codecs/tfa9879.c b/sound/soc/codecs/tfa9879.c index 95e0a7abeb7a..f8dd67ca0744 100644 --- a/sound/soc/codecs/tfa9879.c +++ b/sound/soc/codecs/tfa9879.c @@ -312,9 +312,15 @@ static const struct i2c_device_id tfa9879_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, tfa9879_i2c_id); +static const struct of_device_id tfa9879_of_match[] = { + { .compatible = "nxp,tfa9879", }, + { } +}; + static struct i2c_driver tfa9879_i2c_driver = { .driver = { .name = "tfa9879", + .of_match_table = tfa9879_of_match, }, .probe = tfa9879_i2c_probe, .remove = tfa9879_i2c_remove, |
