[PATCH RESEND v3] arm64: dts: allwinner: a64: olinuxino: Enable audio

[Samuel Holland]

On 1/12/22 9:49 AM, Philip Rinn wrote:
> Enable the audio hardware on the Olimex A64-OLinuXino board family.
> Tested on the A64-OLinuXino-2Ge8G-IND variant.
> 
> Signed-off-by: Philip Rinn <rinni at inventati.org>
> ---
> 
> Changes in v2: added missing &sound {...} part
> Changes in v3: removed HDMI audio part as requested by Jernej Škrabec
> 
>  arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts    | 30 +++++++++++++++++++
>  1 file changed, 30 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
> index ec7e2c0e82c1..6f2674bb1b7f 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
> @@ -58,6 +58,15 @@ wifi_pwrseq: wifi_pwrseq {
>  	};
>  };
>  
> +&codec {
> +	status = "okay";
> +};
> +
> +&codec_analog {
> +	cpvdd-supply = <&reg_eldo1>;
> +	status = "okay";
> +};
> +
>  &cpu0 {
>  	cpu-supply = <&reg_dcdc2>;
>  };
> @@ -74,6 +83,10 @@ &cpu3 {
>  	cpu-supply = <&reg_dcdc2>;
>  };
>  
> +&dai {
> +	status = "okay";
> +};
> +
>  &de {
>  	status = "okay";
>  };
> @@ -328,6 +341,23 @@ &simplefb_hdmi {
>  	vcc-hdmi-supply = <&reg_dldo1>;
>  };
>  
> +&sound {
> +	simple-audio-card,aux-devs = <&codec_analog>;
> +	simple-audio-card,widgets = "Microphone", "Microphone Jack Left",
> +		    "Microphone", "Microphone Jack Right",
> +		    "Headphone", "Headphone Jack";
> +	simple-audio-card,routing = "Left DAC", "DACL",
> +		    "Right DAC", "DACR",
> +		    "Headphone Jack", "HP",
> +		    "ADCL", "Left ADC",
> +		    "ADCR", "Right ADC",
> +		    "Microphone Jack Left", "MBIAS",
> +		    "MIC1", "Microphone Jack Left",
> +		    "Microphone Jack Left", "HBIAS",

According to the schematic, both sides of the microphone jack are biased to
MBIAS. Otherwise, this patch looks good to me.

Regards,
Samuel

> +		    "MIC2", "Microphone Jack Right";
> +	status = "okay";
> +};
> +
>  &uart0 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&uart0_pb_pins>;
>