[PATCH 3/4] ARM: dts: rockchip: add rk3288 dma controllers

Kever Yang kever.yang at rock-chips.com
Mon Aug 11 18:01:06 PDT 2014


On 07/30/2014 03:12 AM, Heiko Stuebner wrote:
> Add both the bus and peripheral pl330 dma controllers present in rk3288 socs.
> The first dma controller can change between secure and non-secure mode and is
> left by the bootloader in secure mode, which gets added here.
>
> Signed-off-by: Heiko Stuebner <heiko at sntech.de>
> ---
>   arch/arm/boot/dts/rk3288.dtsi | 27 +++++++++++++++++++++++++++
>   1 file changed, 27 insertions(+)
>
> diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
> index 3ef8951..3f39d26 100644
> --- a/arch/arm/boot/dts/rk3288.dtsi
> +++ b/arch/arm/boot/dts/rk3288.dtsi
> @@ -62,6 +62,33 @@
>   		};
>   	};
>   
> +	amba {
> +		compatible = "arm,amba-bus";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges;
> +
> +		dmac1: dma at ffb20000 {
> +			compatible = "arm,pl330", "arm,primecell";
> +			reg = <0xffb20000 0x4000>;
> +			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
> +			#dma-cells = <1>;
> +			clocks = <&cru ACLK_DMAC1>;
> +			clock-names = "apb_pclk";
> +		};
> +
> +		dmac2: dma at ff250000 {
> +			compatible = "arm,pl330", "arm,primecell";
> +			reg = <0xff250000 0x4000>;
> +			interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
> +			#dma-cells = <1>;
> +			clocks = <&cru ACLK_DMAC2>;
> +			clock-names = "apb_pclk";
> +		};
> +	};
> +
>   	xin24m: oscillator {
>   		compatible = "fixed-clock";
>   		clock-frequency = <24000000>;
Tested-by: Kever Yang <kever.yang at rock-chips.com>




More information about the linux-arm-kernel mailing list