Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/iommu/allwinner,sun50i-h6-iommu.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Allwinner H6 IOMMU Device Tree Bindings
   8
   9 maintainers:
  10   - Chen-Yu Tsai <wens@csie.org>
  11   - Maxime Ripard <mripard@kernel.org>
  12
  13 properties:
  14   "#iommu-cells":
  15     const: 1
  16     description:
  17       The content of the cell is the master ID.
  18
  19   compatible:
  20     const: allwinner,sun50i-h6-iommu
  21
  22   reg:
  23     maxItems: 1
  24
  25   interrupts:
  26     maxItems: 1
  27
  28   clocks:
  29     maxItems: 1
  30
  31   resets:
  32     maxItems: 1
  33
  34 required:
  35   - "#iommu-cells"
  36   - compatible
  37   - reg
  38   - interrupts
  39   - clocks
  40   - resets
  41
  42 additionalProperties: false
  43
  44 examples:
  45   - |
  46       #include <dt-bindings/interrupt-controller/arm-gic.h>
  47       #include <dt-bindings/interrupt-controller/irq.h>
  48
  49       #include <dt-bindings/clock/sun50i-h6-ccu.h>
  50       #include <dt-bindings/reset/sun50i-h6-ccu.h>
  51
  52       iommu: iommu@30f0000 {
  53           compatible = "allwinner,sun50i-h6-iommu";
  54           reg = <0x030f0000 0x10000>;
  55           interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>;
  56           clocks = <&ccu CLK_BUS_IOMMU>;
  57           resets = <&ccu RST_BUS_IOMMU>;
  58           #iommu-cells = <1>;
  59       };
  60
  61 ...