Re: [PATCH 5/6] ARM: DTS: da850-evm: Add node for tlv320aic3106 codec

From: Peter Ujfalusi
Date: Fri Aug 01 2014 - 01:23:09 EST


On 07/31/2014 05:24 PM, Sergei Shtylyov wrote:
> Hello.
>
> On 07/31/2014 02:18 PM, Peter Ujfalusi wrote:
>
>> The board uses aic3106 for audio.
>
>> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
>> ---
>> arch/arm/boot/dts/da850-evm.dts | 14 ++++++++++++++
>> 1 file changed, 14 insertions(+)
>
>> diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
>> index 09118c72e83f..b9ef2be0b145 100644
>> --- a/arch/arm/boot/dts/da850-evm.dts
>> +++ b/arch/arm/boot/dts/da850-evm.dts
>> @@ -51,6 +51,20 @@
>> tps: tps@48 {
>> reg = <0x48>;
>> };
>> + tlv320aic3106: tlv320aic3106@1b {
>
> The "reg" property is <0x18>, why the unit-address part of a name is
> different?

True, I have lifted the codec part from other dts file and overlooked the
unit-address.
I will resend the series with this fixed.


> Also, the ePAPR standard [1] says:
>
> The name of a node should be somewhat generic, reflecting the function of the
> device and not its precise programming model.

True. This is why the node for the audio support is named as 'sound'. For the
components, like in this case I do not see issue to call the audio codec with
it's name.

>
>> + #sound-dai-cells = <0>;
>> + compatible = "ti,tlv320aic3106";
>> + reg = <0x18>;
>> + status = "okay";
>> +
>> + /* Regulators */
>> + IOVDD-supply = <&vdcdc2_reg>;
>> + /* Derived from VBAT: Baseboard 3.3V / 1.8V */
>> + AVDD-supply = <&vbat>;
>> + DRVDD-supply = <&vbat>;
>> + DVDD-supply = <&vbat>;
>> + };
>> +
>
> [1] http://www.power.org/resources/downloads/Power_ePAPR_APPROVED_v1.0.pdf

BTW: there's a newer version available:
https://www.power.org/wp-content/uploads/2012/06/Power_ePAPR_APPROVED_v1.1.pdf

>
> WBR, Sergei
>


--
Péter
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/