Re: [PATCH v3 2/2] arm64: dts: mediatek: mt8516: add support for APDMA

[Matthias Brugger]

On 09/12/2020 12:47, Fabien Parent wrote:
> Add support the APDMA IP on MT8516. APDMA is a DMA controller
> for UARTs.
> 
> Signed-off-by: Fabien Parent <fparent@xxxxxxxxxxxx>
> ---
> 

Applied to v5.11-next/dts64

Thanks a lot!

> V3: remove unicode symbol that slips into patch summary
> V2: Add missing dma-names properties on uart nodes
> 
>  arch/arm64/boot/dts/mediatek/mt8516.dtsi | 30 ++++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8516.dtsi b/arch/arm64/boot/dts/mediatek/mt8516.dtsi
> index e6e4d9d60094..b80e95574bef 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8516.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8516.dtsi
> @@ -276,6 +276,27 @@ gic: interrupt-controller@10310000 {
>  				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
>  		};
>  
> +		apdma: dma-controller@11000480 {
> +			compatible = "mediatek,mt8516-uart-dma",
> +				     "mediatek,mt6577-uart-dma";
> +			reg = <0 0x11000480 0 0x80>,
> +			      <0 0x11000500 0 0x80>,
> +			      <0 0x11000580 0 0x80>,
> +			      <0 0x11000600 0 0x80>,
> +			      <0 0x11000980 0 0x80>,
> +			      <0 0x11000a00 0 0x80>;
> +			interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_LOW>,
> +				     <GIC_SPI 97 IRQ_TYPE_LEVEL_LOW>,
> +				     <GIC_SPI 98 IRQ_TYPE_LEVEL_LOW>,
> +				     <GIC_SPI 99 IRQ_TYPE_LEVEL_LOW>,
> +				     <GIC_SPI 100 IRQ_TYPE_LEVEL_LOW>,
> +				     <GIC_SPI 101 IRQ_TYPE_LEVEL_LOW>;
> +			dma-requests = <6>;
> +			clocks = <&topckgen CLK_TOP_APDMA>;
> +			clock-names = "apdma";
> +			#dma-cells = <1>;
> +		};
> +
>  		uart0: serial@11005000 {
>  			compatible = "mediatek,mt8516-uart",
>  				     "mediatek,mt6577-uart";
> @@ -284,6 +305,9 @@ uart0: serial@11005000 {
>  			clocks = <&topckgen CLK_TOP_UART0_SEL>,
>  				 <&topckgen CLK_TOP_UART0>;
>  			clock-names = "baud", "bus";
> +			dmas = <&apdma 0
> +				&apdma 1>;
> +			dma-names = "tx", "rx";
>  			status = "disabled";
>  		};
>  
> @@ -295,6 +319,9 @@ uart1: serial@11006000 {
>  			clocks = <&topckgen CLK_TOP_UART1_SEL>,
>  				 <&topckgen CLK_TOP_UART1>;
>  			clock-names = "baud", "bus";
> +			dmas = <&apdma 2
> +				&apdma 3>;
> +			dma-names = "tx", "rx";
>  			status = "disabled";
>  		};
>  
> @@ -306,6 +333,9 @@ uart2: serial@11007000 {
>  			clocks = <&topckgen CLK_TOP_UART2_SEL>,
>  				 <&topckgen CLK_TOP_UART2>;
>  			clock-names = "baud", "bus";
> +			dmas = <&apdma 4
> +				&apdma 5>;
> +			dma-names = "tx", "rx";
>  			status = "disabled";
>  		};
>  
>