[linux-sunxi] Re: [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 <ri...@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>;
> 

-- 
You received this message because you are subscribed to the Google Groups 
"linux-sunxi" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to linux-sunxi+unsubscr...@googlegroups.com.
To view this discussion on the web, visit 
https://groups.google.com/d/msgid/linux-sunxi/4fc41278-c46c-6486-a336-f2a329bd6bd0%40sholland.org.