Merge tag 'linux-kselftest-kunit-fixes-5.11-rc3' of git://git.kernel.org/pub/scm...
[linux/fpc-iii.git] / Documentation / devicetree / bindings / dma / mtk-uart-apdma.txt
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1 * Mediatek UART APDMA Controller
3 Required properties:
4 - compatible should contain:
5   * "mediatek,mt2712-uart-dma" for MT2712 compatible APDMA
6   * "mediatek,mt6577-uart-dma" for MT6577 and all of the above
7   * "mediatek,mt8516-uart-dma", "mediatek,mt6577" for MT8516 SoC
9 - reg: The base address of the APDMA register bank.
11 - interrupts: A single interrupt specifier.
12  One interrupt per dma-requests, or 8 if no dma-requests property is present
14 - dma-requests: The number of DMA channels
16 - clocks : Must contain an entry for each entry in clock-names.
17   See ../clocks/clock-bindings.txt for details.
18 - clock-names: The APDMA clock for register accesses
20 - mediatek,dma-33bits: Present if the DMA requires support
22 Examples:
24         apdma: dma-controller@11000400 {
25                 compatible = "mediatek,mt2712-uart-dma",
26                              "mediatek,mt6577-uart-dma";
27                 reg = <0 0x11000400 0 0x80>,
28                       <0 0x11000480 0 0x80>,
29                       <0 0x11000500 0 0x80>,
30                       <0 0x11000580 0 0x80>,
31                       <0 0x11000600 0 0x80>,
32                       <0 0x11000680 0 0x80>,
33                       <0 0x11000700 0 0x80>,
34                       <0 0x11000780 0 0x80>,
35                       <0 0x11000800 0 0x80>,
36                       <0 0x11000880 0 0x80>,
37                       <0 0x11000900 0 0x80>,
38                       <0 0x11000980 0 0x80>;
39                 interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_LOW>,
40                              <GIC_SPI 104 IRQ_TYPE_LEVEL_LOW>,
41                              <GIC_SPI 105 IRQ_TYPE_LEVEL_LOW>,
42                              <GIC_SPI 106 IRQ_TYPE_LEVEL_LOW>,
43                              <GIC_SPI 107 IRQ_TYPE_LEVEL_LOW>,
44                              <GIC_SPI 108 IRQ_TYPE_LEVEL_LOW>,
45                              <GIC_SPI 109 IRQ_TYPE_LEVEL_LOW>,
46                              <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>,
47                              <GIC_SPI 111 IRQ_TYPE_LEVEL_LOW>,
48                              <GIC_SPI 112 IRQ_TYPE_LEVEL_LOW>,
49                              <GIC_SPI 113 IRQ_TYPE_LEVEL_LOW>,
50                              <GIC_SPI 114 IRQ_TYPE_LEVEL_LOW>;
51                 dma-requests = <12>;
52                 clocks = <&pericfg CLK_PERI_AP_DMA>;
53                 clock-names = "apdma";
54                 mediatek,dma-33bits;
55                 #dma-cells = <1>;
56         };