Re: [PATCH v2 5/5] arm64: dts: fsd: Add sound card node for Tesla FSD

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On 09/01/2023 05:05, Padmanabhan Rajanbabu wrote:
> 
> 
>> -----Original Message-----
>> From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@xxxxxxxxxx]
>> Sent: 03 January 2023 04:43 PM
>> To: Padmanabhan Rajanbabu <p.rajanbabu@xxxxxxxxxxx>;
>> lgirdwood@xxxxxxxxx; broonie@xxxxxxxxxx; robh+dt@xxxxxxxxxx;
>> krzysztof.kozlowski+dt@xxxxxxxxxx; s.nawrocki@xxxxxxxxxxx;
>> perex@xxxxxxxx; tiwai@xxxxxxxx; pankaj.dubey@xxxxxxxxxxx;
>> alim.akhtar@xxxxxxxxxxx; rcsekar@xxxxxxxxxxx;
>> aswani.reddy@xxxxxxxxxxx
>> Cc: alsa-devel@xxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-
>> kernel@xxxxxxxxxxxxxxx; linux-samsung-soc@xxxxxxxxxxxxxxx
>> Subject: Re: [PATCH v2 5/5] arm64: dts: fsd: Add sound card node for Tesla
>> FSD
>>
>> On 03/01/2023 05:56, Padmanabhan Rajanbabu wrote:
>>> Add device tree node support for sound card on Tesla FSD board
>>>
>>> Signed-off-by: Padmanabhan Rajanbabu <p.rajanbabu@xxxxxxxxxxx>
>>> ---
>>>  arch/arm64/boot/dts/tesla/fsd-evb.dts | 37
>>> +++++++++++++++++++++++++++
>>>  1 file changed, 37 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts
>>> b/arch/arm64/boot/dts/tesla/fsd-evb.dts
>>> index e2fd49774f15..ce726bddfb50 100644
>>> --- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
>>> +++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts
>>> @@ -29,6 +29,43 @@
>>>  		device_type = "memory";
>>>  		reg = <0x0 0x80000000 0x2 0x00000000>;
>>>  	};
>>> +
>>> +	sound {
>>> +		compatible = "simple-audio-card";
>>> +
>>> +		#address-cells = <1>;
>>> +		#size-cells = <0>;
>>> +
>>> +		simple-audio-card,name = "FSD Audio Card";
>>> +		simple-audio-card,widgets =
>>> +			"Line", "Line Out",
>>
>> I don't think you need to break the line after '='.
> 
> Okay, will change the same in the next patch set.
> 
>>
>>> +			"Line", "Line In";
>>> +		simple-audio-card,routing =
>>> +			"Line Out", "LLOUT",
>>> +			"Line Out", "RLOUT",
>>> +			"MIC2L", "Line In",
>>> +			"MIC2R", "Line In";
>>> +
>>> +		status = "okay";
>>
>> Why?
> 
> Okay, I understood that if there is no status entry, it is
> treated as "okay". I'll update the same in the next
> patch set.
> 
>>
>>> +
>>> +		simple-audio-card,dai-link@0 {
>>> +			reg = <0>;
>>> +			format = "i2s";
>>> +			bitclock-master = <&tlv320aic3x>;
>>> +			frame-master = <&tlv320aic3x>;
>>> +
>>> +			cpu0 {
>>
>> Does not look like you tested the DTS against bindings. Please run `make
>> dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
>> for instructions).
> 
> I did not encounter any error while running dtbs_check for fsd-evb.dts
> 
> This is the command I executed
> make dtbs_check > output.txt 2>&1
> 
> dt-mk-schema --version: 2022.11
> 
> Please let me know if I'm missing anything here.

You are right. I misread the pattern in simple-card.yaml. I'll fix the
file, so let's make these nodes: cpu-0 and cpu-1.

Best regards,
Krzysztof




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