linux-kernel - Re: [PATCH] arm64: dts: meson: add audio playback to S905X-P212 dts

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Date:   Mon, 23 Jan 2023 09:50:36 +0100
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Christian Hewitt <christianshewitt@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.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 S905X-P212 dts

On 23/01/2023 07:58, Christian Hewitt wrote:
> Add initial support for the HDMI and Analogue i2s audio outputs.
> 
> Signed-off-by: Christian Hewitt <christianshewitt@...il.com>
> ---
>   .../boot/dts/amlogic/meson-gxl-s905x-p212.dts | 70 +++++++++++++++++++
>   1 file changed, 70 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dts
> index 2602940c2077..c2bc7cec476d 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dts
> @@ -7,11 +7,19 @@
>   /dts-v1/;
>   
>   #include "meson-gxl-s905x-p212.dtsi"
> +#include <dt-bindings/sound/meson-aiu.h>
>   
>   / {
>   	compatible = "amlogic,p212", "amlogic,s905x", "amlogic,meson-gxl";
>   	model = "Amlogic Meson GXL (S905X) P212 Development Board";
>   
> +	dio2133: analog-amplifier {
> +		compatible = "simple-audio-amplifier";
> +		sound-name-prefix = "AU2";
> +		VCC-supply = <&hdmi_5v>;
> +		enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
> +	};
> +
>   	cvbs-connector {
>   		compatible = "composite-video-connector";
>   
> @@ -32,6 +40,68 @@ hdmi_connector_in: endpoint {
>   			};
>   		};
>   	};
> +
> +	sound {
> +		compatible = "amlogic,gx-sound-card";
> +		model = "S905X-P212";
> +		audio-aux-devs = <&dio2133>;
> +		audio-widgets = "Line", "Lineout";
> +		audio-routing = "AU2 INL", "ACODEC LOLN",
> +				"AU2 INR", "ACODEC LORN",
> +				"Lineout", "AU2 OUTL",
> +				"Lineout", "AU2 OUTR";
> +		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";

You can remove this.

With that removed:

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>

> +
> +		dai-link-0 {
> +			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
> +		};
> +
> +		dai-link-1 {
> +			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
> +			dai-format = "i2s";
> +			mclk-fs = <256>;
> +
> +			codec-0 {
> +				sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
> +			};
> +
> +			codec-1 {
> +				sound-dai = <&aiu AIU_ACODEC CTRL_I2S>;
> +			};
> +		};
> +
> +		dai-link-2 {
> +			sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
> +
> +			codec-0 {
> +				sound-dai = <&hdmi_tx>;
> +			};
> +		};
> +
> +		dai-link-3 {
> +			sound-dai = <&aiu AIU_ACODEC CTRL_OUT>;
> +
> +			codec-0 {
> +				sound-dai = <&acodec>;
> +			};
> +		};
> +	};
> +};
> +
> +&acodec {
> +	AVDD-supply = <&vddio_ao18>;
> +	status = "okay";
> +};
> +
> +&aiu {
> +	status = "okay";
>   };
>   
>   &cec_AO {