From: Fabio Estevam <fabio.estevam@xxxxxxx> 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@xxxxxxx> --- Hi Lukasz, Could you please test this on your hardware? .../devicetree/bindings/sound/tfa9879.txt | 23 ++++++++++++++++++++++ sound/soc/codecs/tfa9879.c | 6 ++++++ 2 files changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/tfa9879.txt diff --git a/Documentation/devicetree/bindings/sound/tfa9879.txt b/Documentation/devicetree/bindings/sound/tfa9879.txt new file mode 100644 index 0000000..731ffe8 --- /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 95e0a7a..f8dd67c 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, -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
