[PATCH 1/2] ASoC: rockchip-max98090: add documentation for rockchip-max98090 driver

Jianqun xjq at rock-chips.com
Sat Sep 27 17:54:27 PDT 2014



在 09/12/2014 09:44 PM, Mark Brown 写道:
> On Fri, Sep 12, 2014 at 03:30:36PM +0800, Jianqun wrote:
>> Add documentation for rockchip-max98090 driver, which is need by rockchip
>> board using a max98090.
> 
> Can this use simple-card (perhaps after a bit of extension)?
I haven't ever try simple-card, is there any sample usage for me from other vendor ?
> 
>> +- rockchip,audio-codec : The phandle of the MAX98090 audio codec.
> 
> Is the driver really specific to this CODEC?
I think yes, we need to add two gpio for mic and hp detect, but simple-card driver hasn't them
> 
>> +
>> +Optional properties:
>> +- rockchip,hp-det-gpios : The GPIO that detect headphones are plugged in
>> +- rockchip,mic-det-gpios : The GPIO that detect micphones are plugged in
>> +
>> +Example:
>> +
>> +sound {
>> +	compatible = "rockchip,rockchip-audio-max98090";
>> +	rockchip,model = "ROCKCHIP-I2S";
>> +	rockchip,i2s-controller = <&i2s>;
>> +	rockchip,audio-codec = <&max98090>;
>> +	rockchip,hp-det-gpios = <&gpio6 5 GPIO_ACTIVE_HIGH>;
>> +	rockchip,mic-det-gpios = <&gpio6 11 GPIO_ACTIVE_HIGH>;
>> +};
>> -- 
>> 1.9.1
>>
>>
>>

-- 
Jianqun Xu

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