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Subject: Re: [PATCH 2/6] arm64: dts: meson-gx: add aiu support
To:     Jerome Brunet <jbrunet@baylibre.com>,
        Kevin Hilman <khilman@baylibre.com>
Cc:     linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <20200421163935.775935-1-jbrunet@baylibre.com>
 <20200421163935.775935-3-jbrunet@baylibre.com>
From:   Neil Armstrong <narmstrong@baylibre.com>
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Organization: Baylibre
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Date:   Wed, 22 Apr 2020 15:12:34 +0200
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On 21/04/2020 18:39, Jerome Brunet wrote:
> Add the AIU audio device to the Amlogic GX SoC family DT.
> ATM, this device provides the i2s and spdif output stages and also
> the hdmi and internal codec glues.
> 
> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
> ---
>  arch/arm64/boot/dts/amlogic/meson-gx.dtsi   | 13 ++++++++++++
>  arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 23 +++++++++++++++++++++
>  arch/arm64/boot/dts/amlogic/meson-gxl.dtsi  | 23 +++++++++++++++++++++
>  3 files changed, 59 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
> index 03f79fe045b7..a8dc8f810253 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
> @@ -278,6 +278,17 @@ reset: reset-controller@4404 {
>  				#reset-cells = <1>;
>  			};
>  
> +			aiu: audio-controller@5400 {
> +				compatible = "amlogic,aiu";
> +				#sound-dai-cells = <2>;
> +				sound-name-prefix = "AIU";
> +				reg = <0x0 0x5400 0x0 0x2ac>;
> +				interrupts = <GIC_SPI 48 IRQ_TYPE_EDGE_RISING>,
> +					     <GIC_SPI 50 IRQ_TYPE_EDGE_RISING>;
> +				interrupt-names = "i2s", "spdif";
> +				status = "disabled";
> +			};
> +
>  			uart_A: serial@84c0 {
>  				compatible = "amlogic,meson-gx-uart";
>  				reg = <0x0 0x84c0 0x0 0x18>;
> @@ -626,6 +637,8 @@ hdmi_tx: hdmi-tx@c883a000 {
>  			interrupts = <GIC_SPI 57 IRQ_TYPE_EDGE_RISING>;
>  			#address-cells = <1>;
>  			#size-cells = <0>;
> +			#sound-dai-cells = <0>;
> +			sound-name-prefix = "HDMITX";

sound-name-prefix is not a valid property in Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml

It should be added.

AFAIK sound-name-prefix is not present on g12-common, is it missing ?

Neil

>  			status = "disabled";
>  
>  			/* VPU VENC Input */
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
> index 0cb40326b0d3..234490d3ee68 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
> @@ -60,6 +60,29 @@ usb1: usb@c9100000 {
>  	};
>  };
>  
> +&aiu {
> +	compatible = "amlogic,aiu-gxbb", "amlogic,aiu";
> +	clocks = <&clkc CLKID_AIU_GLUE>,
> +		 <&clkc CLKID_I2S_OUT>,
> +		 <&clkc CLKID_AOCLK_GATE>,
> +		 <&clkc CLKID_CTS_AMCLK>,
> +		 <&clkc CLKID_MIXER_IFACE>,
> +		 <&clkc CLKID_IEC958>,
> +		 <&clkc CLKID_IEC958_GATE>,
> +		 <&clkc CLKID_CTS_MCLK_I958>,
> +		 <&clkc CLKID_CTS_I958>;
> +	clock-names = "pclk",
> +		      "i2s_pclk",
> +		      "i2s_aoclk",
> +		      "i2s_mclk",
> +		      "i2s_mixer",
> +		      "spdif_pclk",
> +		      "spdif_aoclk",
> +		      "spdif_mclk",
> +		      "spdif_mclk_sel";
> +	resets = <&reset RESET_AIU>;
> +};
> +
>  &aobus {
>  	pinctrl_aobus: pinctrl@14 {
>  		compatible = "amlogic,meson-gxbb-aobus-pinctrl";
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
> index 259d86399390..d9f00c5a9a5c 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
> @@ -49,6 +49,29 @@ crypto: crypto@c883e000 {
>  	};
>  };
>  
> +&aiu {
> +	compatible = "amlogic,aiu-gxl", "amlogic,aiu";
> +	clocks = <&clkc CLKID_AIU_GLUE>,
> +		 <&clkc CLKID_I2S_OUT>,
> +		 <&clkc CLKID_AOCLK_GATE>,
> +		 <&clkc CLKID_CTS_AMCLK>,
> +		 <&clkc CLKID_MIXER_IFACE>,
> +		 <&clkc CLKID_IEC958>,
> +		 <&clkc CLKID_IEC958_GATE>,
> +		 <&clkc CLKID_CTS_MCLK_I958>,
> +		 <&clkc CLKID_CTS_I958>;
> +	clock-names = "pclk",
> +		      "i2s_pclk",
> +		      "i2s_aoclk",
> +		      "i2s_mclk",
> +		      "i2s_mixer",
> +		      "spdif_pclk",
> +		      "spdif_aoclk",
> +		      "spdif_mclk",
> +		      "spdif_mclk_sel";
> +	resets = <&reset RESET_AIU>;
> +};
> +
>  &apb {
>  	usb2_phy0: phy@78000 {
>  		compatible = "amlogic,meson-gxl-usb2-phy";
>