[PATCH v2 2/3] arm64: dts: rockchip: Add DMA controller for RK3528

Yao Zi ziyao at disroot.org
Tue Apr 1 10:35:57 PDT 2025


On Tue, Apr 01, 2025 at 06:00:19PM +0800, Chukun Pan wrote:
> Add DMA controller dt node for RK3528 SoC.
> 
> Signed-off-by: Chukun Pan <amadeus at jmu.edu.cn>
> ---
>  arch/arm64/boot/dts/rockchip/rk3528.dtsi | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3528.dtsi b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
> index 7f1ffd6003f5..c366766ee3f5 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3528.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
> @@ -493,6 +493,24 @@ sdhci: mmc at ffbf0000 {
>  			status = "disabled";
>  		};
>  
> +		dmac: dma-controller at ffd60000 {
> +			compatible = "arm,pl330", "arm,primecell";
> +			reg = <0x0 0xffd60000 0x0 0x4000>;
> +			clocks = <&cru ACLK_DMAC>;
> +			clock-names = "apb_pclk";
> +			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
> +			arm,pl330-periph-burst;

Should this be moved above "clocks" line to sort the properties?

Thanks,
Yao Zi

> +			#dma-cells = <1>;
> +		};
> +
>  		pinctrl: pinctrl {
>  			compatible = "rockchip,rk3528-pinctrl";
>  			rockchip,grf = <&ioc_grf>;
> -- 
> 2.25.1
> 



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