Message ID | 1544506645-27979-3-git-send-email-long.cheng@mediatek.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | add uart DMA function | expand |
On Tue, 2018-12-11 at 13:37 +0800, 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@mediatek.com> > --- > arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 50 +++++++++++++++++++++++++++++ > 1 file changed, 50 insertions(+) > > diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi > index 976d92a..a59728b 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"; > }; > > @@ -378,6 +381,38 @@ > status = "disabled"; > }; > > + apdma: dma-controller@11000400 { > + compatible = "mediatek,mt2712-uart-dma", > + "mediatek,mt6577-uart-dma"; Sorting, please make sure this is before auxadc: adc@11001000 { > + 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>; > + clocks = <&pericfg CLK_PERI_AP_DMA>; > + clock-names = "apdma"; > + #dma-cells = <1>; > + }; > + > uart0: serial@11002000 { > compatible = "mediatek,mt2712-uart", > "mediatek,mt6577-uart"; > @@ -385,6 +420,9 @@ ...deleted
diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi index 976d92a..a59728b 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"; }; @@ -378,6 +381,38 @@ status = "disabled"; }; + 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>; + clocks = <&pericfg CLK_PERI_AP_DMA>; + clock-names = "apdma"; + #dma-cells = <1>; + }; + uart0: serial@11002000 { compatible = "mediatek,mt2712-uart", "mediatek,mt6577-uart"; @@ -385,6 +420,9 @@ 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 +433,9 @@ 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 +446,9 @@ 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 +459,9 @@ 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 +676,9 @@ 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"; };
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@mediatek.com> --- arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 50 +++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+)