[alsa-devel] [PATCH v3 1/2] ASoC: stm32: add bindings for SAI

Olivier MOYSAN olivier.moysan at st.com
Tue May 2 09:45:35 CEST 2017


Hello Rob,

On 04/28/2017 10:53 PM, Rob Herring wrote:
> On Mon, Apr 10, 2017 at 05:19:55PM +0200, olivier moysan wrote:
>> This patch adds documentation of device tree bindings for the
>> STM32 SAI ASoC driver.
>>
>> Signed-off-by: olivier moysan <olivier.moysan at st.com>
>> ---
>>  .../devicetree/bindings/sound/st,stm32-sai.txt     | 89 ++++++++++++++++++++++
>>  1 file changed, 89 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/sound/st,stm32-sai.txt
>>
>> diff --git a/Documentation/devicetree/bindings/sound/st,stm32-sai.txt b/Documentation/devicetree/bindings/sound/st,stm32-sai.txt
>> new file mode 100644
>> index 0000000..c59a3d7
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/sound/st,stm32-sai.txt
>> @@ -0,0 +1,89 @@
>> +STMicroelectronics STM32 Serial Audio Interface (SAI).
>
> [...]
>
>> +	sai1b: audio-controller at 40015824 {
>> +		#sound-dai-cells = <0>;
>> +		compatible = "st,stm32-sai-sub-b";
>> +		reg = <0x40015824 0x1C>;
>> +		clocks = <&rcc 1 CLK_SAI2>;
>> +		clock-names = "sai_ck";
>> +		dmas = <&dma2 5 0 0x400 0x0>;
>> +		dma-names = "tx";
>> +		pinctrl-names = "default";
>> +		pinctrl-0 = <&pinctrl_sai1b>;
>> +
>> +		ports {
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +
>> +			sai1b_port: port at 0 {
>> +				reg = <0>;
>> +				cpu_endpoint: endpoint {
>> +					remote-endpoint = <&codec_endpoint>;
>> +					audio-graph-card,format = "i2s";
>> +					audio-graph-card,bitclock-master = <&codec_endpoint>;
>> +					audio-graph-card,frame-master = <&codec_endpoint>;
>
> These property names are wrong.
>

I have taken into account this comment (and previous ones).
They will be included in next update of this patch set.

>> +				};
>> +			};
>> +		};
>> +	};
>> +};
>> +
>> +audio-codec {
>> +	codec_port: port {
>> +		codec_endpoint: endpoint {
>> +			remote-endpoint = <&cpu_endpoint>;
>> +		};
>> +	};
>> +};
>> --
>> 1.9.1
>>

Best regards
Olivier


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