[Patch v4 04/10] ARM: dts: lpc32xx: Add missing dma and i2s properties

Krzysztof Kozlowski krzk at kernel.org
Thu Jun 20 23:20:43 PDT 2024


On 20/06/2024 19:56, Piotr Wojtaszczyk wrote:
> Adds properties declared in the new DT bindings:
>  - nxp,lpc3220-i2s.yaml
>  - nxp,lpc3220-dmamux.yaml
> for dma router/mux and I2S interface.
> 
> Signed-off-by: Piotr Wojtaszczyk <piotr.wojtaszczyk at timesys.com>

You are doing here multiple things at once. This should be

One patch is dma properties.

>  
>  			i2s0: i2s at 20094000 {
>  				compatible = "nxp,lpc3220-i2s";
>  				reg = <0x20094000 0x1000>;
> +				interrupts = <22 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clk LPC32XX_CLK_I2S0>;
> +				dmas = <&dma 0 1>, <&dma 13 1>;
> +				dma-names = "rx", "tx";
> +				#sound-dai-cells = <0>;

Sound dai cells is another patch (or entire node is separate patch).

>  				status = "disabled";
>  			};
>  
> @@ -231,12 +255,19 @@ sd: sd at 20098000 {
>  					     <13 IRQ_TYPE_LEVEL_HIGH>;
>  				clocks = <&clk LPC32XX_CLK_SD>;
>  				clock-names = "apb_pclk";
> +				dmas = <&dma 4 1>;
> +				dma-names = "rx";
>  				status = "disabled";
>  			};
>  
>  			i2s1: i2s at 2009c000 {
>  				compatible = "nxp,lpc3220-i2s";
>  				reg = <0x2009c000 0x1000>;
> +				interrupts = <23 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clk LPC32XX_CLK_I2S1>;
> +				dmas = <&dma 2 1>, <&dmamux 10 1 1>;
> +				dma-names = "rx", "tx";
> +				#sound-dai-cells = <0>;
>  				status = "disabled";
>  			};
>  
> @@ -312,21 +343,27 @@ fab {
>  			compatible = "simple-bus";
>  			ranges = <0x20000000 0x20000000 0x30000000>;
>  
> -			/* System Control Block */
> -			scb {
> -				compatible = "simple-bus";
> -				ranges = <0x0 0x40004000 0x00001000>;
> +			syscon at 40004000 {
> +				compatible = "nxp,lpc3220-creg", "syscon", "simple-mfd";
> +				reg = <0x40004000 0x114>;

This hunk is also separate patch.



Best regards,
Krzysztof




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