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-rw-r--r--dts/Bindings/dma/mtk-uart-apdma.txt54
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diff --git a/dts/Bindings/dma/mtk-uart-apdma.txt b/dts/Bindings/dma/mtk-uart-apdma.txt
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-* Mediatek UART APDMA Controller
-
-Required properties:
-- compatible should contain:
- * "mediatek,mt2712-uart-dma" for MT2712 compatible APDMA
- * "mediatek,mt6577-uart-dma" for MT6577 and all of the above
-
-- reg: The base address of the APDMA register bank.
-
-- interrupts: A single interrupt specifier.
- One interrupt per dma-requests, or 8 if no dma-requests property is present
-
-- dma-requests: The number of DMA channels
-
-- clocks : Must contain an entry for each entry in clock-names.
- See ../clocks/clock-bindings.txt for details.
-- clock-names: The APDMA clock for register accesses
-
-- mediatek,dma-33bits: Present if the DMA requires support
-
-Examples:
-
- apdma: dma-controller@11000400 {
- compatible = "mediatek,mt2712-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";
- mediatek,dma-33bits;
- #dma-cells = <1>;
- };