On 27/04/2019 05:36, Long Cheng wrote: > 1. add uart APDMA controller device node > 2. add uart 0/1/2/3/4/5 DMA function > > Signed-off-by: Long Cheng <long.cheng@xxxxxxxxxxxx> Queued now for v5.7-next/dts64 Thanks! > --- > arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 51 +++++++++++++++++++++++++++++ > 1 file changed, 51 insertions(+) > > diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi > index 976d92a..f1e419e 100644 > --- a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi > @@ -300,6 +300,9 @@ > interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_LOW>; > clocks = <&baud_clk>, <&sys_clk>; > clock-names = "baud", "bus"; > + dmas = <&apdma 10 > + &apdma 11>; > + dma-names = "tx", "rx"; > status = "disabled"; > }; > > @@ -369,6 +372,39 @@ > (GIC_CPU_MASK_RAW(0x13) | IRQ_TYPE_LEVEL_HIGH)>; > }; > > + apdma: dma-controller@11000400 { > + compatible = "mediatek,mt2712-uart-dma", > + "mediatek,mt6577-uart-dma"; > + reg = <0 0x11000400 0 0x80>, > + <0 0x11000480 0 0x80>, > + <0 0x11000500 0 0x80>, > + <0 0x11000580 0 0x80>, > + <0 0x11000600 0 0x80>, > + <0 0x11000680 0 0x80>, > + <0 0x11000700 0 0x80>, > + <0 0x11000780 0 0x80>, > + <0 0x11000800 0 0x80>, > + <0 0x11000880 0 0x80>, > + <0 0x11000900 0 0x80>, > + <0 0x11000980 0 0x80>; > + interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_LOW>, > + <GIC_SPI 104 IRQ_TYPE_LEVEL_LOW>, > + <GIC_SPI 105 IRQ_TYPE_LEVEL_LOW>, > + <GIC_SPI 106 IRQ_TYPE_LEVEL_LOW>, > + <GIC_SPI 107 IRQ_TYPE_LEVEL_LOW>, > + <GIC_SPI 108 IRQ_TYPE_LEVEL_LOW>, > + <GIC_SPI 109 IRQ_TYPE_LEVEL_LOW>, > + <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>, > + <GIC_SPI 111 IRQ_TYPE_LEVEL_LOW>, > + <GIC_SPI 112 IRQ_TYPE_LEVEL_LOW>, > + <GIC_SPI 113 IRQ_TYPE_LEVEL_LOW>, > + <GIC_SPI 114 IRQ_TYPE_LEVEL_LOW>; > + dma-requests = <12>; > + clocks = <&pericfg CLK_PERI_AP_DMA>; > + clock-names = "apdma"; > + #dma-cells = <1>; > + }; > + > auxadc: adc@11001000 { > compatible = "mediatek,mt2712-auxadc"; > reg = <0 0x11001000 0 0x1000>; > @@ -385,6 +421,9 @@ > interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_LOW>; > clocks = <&baud_clk>, <&sys_clk>; > clock-names = "baud", "bus"; > + dmas = <&apdma 0 > + &apdma 1>; > + dma-names = "tx", "rx"; > status = "disabled"; > }; > > @@ -395,6 +434,9 @@ > interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>; > clocks = <&baud_clk>, <&sys_clk>; > clock-names = "baud", "bus"; > + dmas = <&apdma 2 > + &apdma 3>; > + dma-names = "tx", "rx"; > status = "disabled"; > }; > > @@ -405,6 +447,9 @@ > interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_LOW>; > clocks = <&baud_clk>, <&sys_clk>; > clock-names = "baud", "bus"; > + dmas = <&apdma 4 > + &apdma 5>; > + dma-names = "tx", "rx"; > status = "disabled"; > }; > > @@ -415,6 +460,9 @@ > interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_LOW>; > clocks = <&baud_clk>, <&sys_clk>; > clock-names = "baud", "bus"; > + dmas = <&apdma 6 > + &apdma 7>; > + dma-names = "tx", "rx"; > status = "disabled"; > }; > > @@ -629,6 +677,9 @@ > interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_LOW>; > clocks = <&baud_clk>, <&sys_clk>; > clock-names = "baud", "bus"; > + dmas = <&apdma 8 > + &apdma 9>; > + dma-names = "tx", "rx"; > status = "disabled"; > }; > >