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Subject: Re: [RFT 08/25] ARM: dts: s5pv210: remove dedicated 'audio-subsystem'
 node
To:     Krzysztof Kozlowski <krzk@kernel.org>,
        Kukjin Kim <kgene@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Jonathan Cameron <jic23@kernel.org>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
        =?UTF-8?Q?Pawe=c5=82_Chmiel?= <pawel.mikolaj.chmiel@gmail.com>,
        linux-arm-kernel@lists.infradead.org,
        linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org
References: <20200907161141.31034-1-krzk@kernel.org>
 <20200907161141.31034-9-krzk@kernel.org>
From:   Jonathan Bakker <xc-racer2@live.ca>
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Date:   Mon, 7 Sep 2020 15:41:04 -0700
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Audio still works for me on the Galaxy S.

Tested-by: Jonathan Bakker <xc-racer2@live.ca>

Thanks,
Jonathan

On 2020-09-07 9:11 a.m., Krzysztof Kozlowski wrote:
> The 'audio-subsystem' node is an artificial creation, not representing
> real hardware.  The hardware is described by its nodes - AUDSS clock
> controller and I2S0.
> 
> Remove the 'audio-subsystem' node along with its undocumented compatible
> to fix dtbs_check warnings like:
> 
>   audio-subsystem: $nodename:0: 'audio-subsystem' does not match '^([a-z][a-z0-9\\-]+-bus|bus|soc|axi|ahb|apb)(@[0-9a-f]+)?$'
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
> ---
>  arch/arm/boot/dts/s5pv210.dtsi | 65 +++++++++++++++-------------------
>  1 file changed, 29 insertions(+), 36 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/s5pv210.dtsi b/arch/arm/boot/dts/s5pv210.dtsi
> index 46221a5c8ce5..2871351ab907 100644
> --- a/arch/arm/boot/dts/s5pv210.dtsi
> +++ b/arch/arm/boot/dts/s5pv210.dtsi
> @@ -223,43 +223,36 @@
>  			status = "disabled";
>  		};
>  
> -		audio-subsystem {
> -			compatible = "samsung,s5pv210-audss", "simple-bus";
> -			#address-cells = <1>;
> -			#size-cells = <1>;
> -			ranges;
> -
> -			clk_audss: clock-controller@eee10000 {
> -				compatible = "samsung,s5pv210-audss-clock";
> -				reg = <0xeee10000 0x1000>;
> -				clock-names = "hclk", "xxti",
> -						"fout_epll",
> -						"sclk_audio0";
> -				clocks = <&clocks DOUT_HCLKP>, <&xxti>,
> -						<&clocks FOUT_EPLL>,
> -						<&clocks SCLK_AUDIO0>;
> -				#clock-cells = <1>;
> -			};
> +		clk_audss: clock-controller@eee10000 {
> +			compatible = "samsung,s5pv210-audss-clock";
> +			reg = <0xeee10000 0x1000>;
> +			clock-names = "hclk", "xxti",
> +				      "fout_epll",
> +				      "sclk_audio0";
> +			clocks = <&clocks DOUT_HCLKP>, <&xxti>,
> +				 <&clocks FOUT_EPLL>,
> +				 <&clocks SCLK_AUDIO0>;
> +			#clock-cells = <1>;
> +		};
>  
> -			i2s0: i2s@eee30000 {
> -				compatible = "samsung,s5pv210-i2s";
> -				reg = <0xeee30000 0x1000>;
> -				interrupt-parent = <&vic2>;
> -				interrupts = <16>;
> -				dma-names = "rx", "tx", "tx-sec";
> -				dmas = <&pdma1 9>, <&pdma1 10>, <&pdma1 11>;
> -				clock-names = "iis",
> -						"i2s_opclk0",
> -						"i2s_opclk1";
> -				clocks = <&clk_audss CLK_I2S>,
> -						<&clk_audss CLK_I2S>,
> -						<&clk_audss CLK_DOUT_AUD_BUS>;
> -				samsung,idma-addr = <0xc0010000>;
> -				pinctrl-names = "default";
> -				pinctrl-0 = <&i2s0_bus>;
> -				#sound-dai-cells = <0>;
> -				status = "disabled";
> -			};
> +		i2s0: i2s@eee30000 {
> +			compatible = "samsung,s5pv210-i2s";
> +			reg = <0xeee30000 0x1000>;
> +			interrupt-parent = <&vic2>;
> +			interrupts = <16>;
> +			dma-names = "rx", "tx", "tx-sec";
> +			dmas = <&pdma1 9>, <&pdma1 10>, <&pdma1 11>;
> +			clock-names = "iis",
> +				      "i2s_opclk0",
> +				      "i2s_opclk1";
> +			clocks = <&clk_audss CLK_I2S>,
> +				 <&clk_audss CLK_I2S>,
> +				 <&clk_audss CLK_DOUT_AUD_BUS>;
> +			samsung,idma-addr = <0xc0010000>;
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&i2s0_bus>;
> +			#sound-dai-cells = <0>;
> +			status = "disabled";
>  		};
>  
>  		i2s1: i2s@e2100000 {
>