linux-kernel - Re: [PATCH 5/5] arm64: dts: meson: u200: add onboard devices

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Date:   Mon, 11 Sep 2023 18:01:00 +0200
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Jerome Brunet <jbrunet@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Christian Hewitt <christianshewitt@...il.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-amlogic@...ts.infradead.org
Subject: Re: [PATCH 5/5] arm64: dts: meson: u200: add onboard devices

On 11/09/2023 17:56, Krzysztof Kozlowski wrote:
> On 11/09/2023 17:45, Jerome Brunet wrote:
>> Add missing audio devices found on the u200 PCB. This includes
>> * Lineout connected to the internal DAC
>> * SPDIF input connected to a coaxial socket
>> * TDM input decoders allowing output loopback
>> * TDM A and B output encoders and interfaces
>>
>> TDM A and B link format is set by the related external codec.
>> Internal audio DAC can hook to any TDM output.
>>
>> This change does not include support necessary the optional the speaker and
>> PDM Mic headers
>>
>> Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
>> ---
>>   .../boot/dts/amlogic/meson-g12a-u200.dts      | 228 +++++++++++++++++-
>>   1 file changed, 218 insertions(+), 10 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts
>> index da66e2e1dffb..9abe37b5b227 100644
>> --- a/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts
>> +++ b/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts
>> @@ -9,6 +9,7 @@
>>   #include <dt-bindings/gpio/gpio.h>
>>   #include <dt-bindings/gpio/meson-g12a-gpio.h>
>>   #include <dt-bindings/sound/meson-g12a-tohdmitx.h>
>> +#include <dt-bindings/sound/meson-g12a-toacodec.h>
>>   
>>   / {
>>   	compatible = "amlogic,u200", "amlogic,g12a";
>> @@ -19,6 +20,22 @@ aliases {
>>   		ethernet0 = &ethmac;
>>   	};
>>   
>> +	dioo2133: audio-amplifier-0 {
>> +		#sound-dai-cells = <0>;
>> +		compatible = "simple-audio-amplifier";
> 
> compatible is by convention first property. Do you have different style
> in Amlogic/Meson?

Not really, no specific style

> 
>> +		status = "okay";
> 
> status is by default.

I'll fix the patch on my tree.

Thanks,
Neil

> 
> 
> Best regards,
> Krzysztof
>