Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/interrupt-controller/fsl,ls-extirq.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Freescale Layerscape External Interrupt Controller
   8
   9 maintainers:
  10   - Shawn Guo <shawnguo@kernel.org>
  11   - Li Yang <leoyang.li@nxp.com>
  12
  13 description: |
  14   Some Layerscape SOCs (LS1021A, LS1043A, LS1046A LS1088A, LS208xA,
  15   LX216xA) support inverting the polarity of certain external interrupt
  16   lines.
  17
  18 properties:
  19   compatible:
  20     oneOf:
  21       - enum:
  22           - fsl,ls1021a-extirq
  23           - fsl,ls1043a-extirq
  24           - fsl,ls1088a-extirq
  25       - items:
  26           - enum:
  27               - fsl,ls1046a-extirq
  28           - const: fsl,ls1043a-extirq
  29       - items:
  30           - enum:
  31               - fsl,ls2080a-extirq
  32               - fsl,lx2160a-extirq
  33           - const: fsl,ls1088a-extirq
  34
  35   '#interrupt-cells':
  36     const: 2
  37
  38   '#address-cells':
  39     const: 0
  40
  41   interrupt-controller: true
  42
  43   reg:
  44     maxItems: 1
  45     description:
  46       Specifies the Interrupt Polarity Control Register (INTPCR) in the
  47       SCFG or the External Interrupt Control Register (IRQCR) in the ISC.
  48
  49   interrupt-map:
  50     description: Specifies the mapping from external interrupts to GIC interrupts.
  51
  52   interrupt-map-mask: true
  53
  54 required:
  55   - compatible
  56   - '#interrupt-cells'
  57   - '#address-cells'
  58   - interrupt-controller
  59   - reg
  60   - interrupt-map
  61   - interrupt-map-mask
  62
  63 allOf:
  64   - if:
  65       properties:
  66         compatible:
  67           contains:
  68             enum:
  69               - fsl,ls1021a-extirq
  70     then:
  71       properties:
  72         interrupt-map:
  73           minItems: 6
  74           maxItems: 6
  75         interrupt-map-mask:
  76           items:
  77             - const: 0x7
  78             - const: 0
  79   - if:
  80       properties:
  81         compatible:
  82           contains:
  83             enum:
  84               - fsl,ls1043a-extirq
  85               - fsl,ls1046a-extirq
  86               - fsl,ls1088a-extirq
  87               - fsl,ls2080a-extirq
  88               - fsl,lx2160a-extirq
  89     then:
  90       properties:
  91         interrupt-map:
  92           minItems: 12
  93           maxItems: 12
  94         interrupt-map-mask:
  95           items:
  96             - const: 0xf
  97             - const: 0
  98
  99 additionalProperties: false
 100
 101 examples:
 102   - |
 103     #include <dt-bindings/interrupt-controller/arm-gic.h>
 104     interrupt-controller@1ac {
 105             compatible = "fsl,ls1021a-extirq";
 106             #interrupt-cells = <2>;
 107             #address-cells = <0>;
 108             interrupt-controller;
 109             reg = <0x1ac 4>;
 110             interrupt-map =
 111                     <0 0 &gic GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,
 112                     <1 0 &gic GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>,
 113                     <2 0 &gic GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>,
 114                     <3 0 &gic GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>,
 115                     <4 0 &gic GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
 116                     <5 0 &gic GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
 117             interrupt-map-mask = <0x7 0x0>;
 118     };