linux-kernel - Re: [PATCH] arm64: dts: meson: add audio playback to vega-s95 dtsi

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Date:   Tue, 10 Aug 2021 09:48:41 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Christian Hewitt <christianshewitt@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kevin Hilman <khilman@...libre.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: meson: add audio playback to vega-s95 dtsi

On 04/08/2021 16:02, Christian Hewitt wrote:
> Add initial support limited to HDMI i2s and SPDIF (LPCM).
> 
> Tested-by: Oleg Ivanov <150balbes@...dex.ru>
> Signed-off-by: Christian Hewitt <christianshewitt@...il.com>
> ---
>  .../boot/dts/amlogic/meson-gxbb-vega-s95.dtsi | 61 +++++++++++++++++++
>  1 file changed, 61 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
> index 9b0b81f191f1..66daf3af34c3 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
> @@ -4,6 +4,7 @@
>   */
>  
>  #include "meson-gxbb.dtsi"
> +#include <dt-bindings/sound/meson-aiu.h>
>  
>  / {
>  	compatible = "tronsmart,vega-s95", "amlogic,meson-gxbb";
> @@ -17,6 +18,13 @@
>  		stdout-path = "serial0:115200n8";
>  	};
>  
> +	spdif_dit: audio-codec-0 {
> +		#sound-dai-cells = <0>;
> +		compatible = "linux,spdif-dit";
> +		status = "okay";
> +		sound-name-prefix = "DIT";
> +	};
> +
>  	leds {
>  		compatible = "gpio-leds";
>  
> @@ -97,6 +105,59 @@
>  		clocks = <&wifi32k>;
>  		clock-names = "ext_clock";
>  	};
> +
> +	sound {
> +		compatible = "amlogic,gx-sound-card";
> +		model = "VEGA-S95";
> +		assigned-clocks = <&clkc CLKID_MPLL0>,
> +				  <&clkc CLKID_MPLL1>,
> +				  <&clkc CLKID_MPLL2>;
> +		assigned-clock-parents = <0>, <0>, <0>;
> +		assigned-clock-rates = <294912000>,
> +				       <270950400>,
> +				       <393216000>;
> +		status = "okay";
> +
> +		dai-link-0 {
> +			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
> +		};
> +
> +		dai-link-1 {
> +			sound-dai = <&aiu AIU_CPU CPU_SPDIF_FIFO>;
> +		};
> +
> +		dai-link-2 {
> +			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
> +			dai-format = "i2s";
> +			mclk-fs = <256>;
> +
> +			codec-0 {
> +				sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
> +			};
> +		};
> +
> +		dai-link-3 {
> +			sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;
> +
> +			codec-0 {
> +				sound-dai = <&spdif_dit>;
> +			};
> +		};
> +
> +		dai-link-4 {
> +			sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
> +
> +			codec-0 {
> +				sound-dai = <&hdmi_tx>;
> +			};
> +		};
> +	};
> +};
> +
> +&aiu {
> +	status = "okay";
> +	pinctrl-0 = <&spdif_out_y_pins>;
> +	pinctrl-names = "default";
>  };
>  
>  &cec_AO {
> 

Reviewed-by: Neil Armstrong <narmstrong@...libre.com>