Bindings/interrupt-controller/fsl,irqsteer.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,irqsteer.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Freescale IRQSTEER Interrupt Multiplexer
   8
   9 maintainers:
  10   - Lucas Stach <l.stach@pengutronix.de>
  11
  12 properties:
  13   compatible:
  14     oneOf:
  15       - const: fsl,imx-irqsteer
  16       - items:
  17           - const: fsl,imx8m-irqsteer
  18           - const: fsl,imx-irqsteer
  19
  20   reg:
  21     maxItems: 1
  22
  23   interrupts:
  24     description: |
  25       should contain the up to 8 parent interrupt lines used to multiplex
  26       the input interrupts. They should be specified sequentially from
  27       output 0 to 7.
  28     items:
  29       - description: output interrupt 0
  30       - description: output interrupt 1
  31       - description: output interrupt 2
  32       - description: output interrupt 3
  33       - description: output interrupt 4
  34       - description: output interrupt 5
  35       - description: output interrupt 6
  36       - description: output interrupt 7
  37     minItems: 1
  38
  39   clocks:
  40     maxItems: 1
  41
  42   clock-names:
  43     const: ipg
  44
  45   interrupt-controller: true
  46
  47   "#interrupt-cells":
  48     const: 1
  49
  50   fsl,channel:
  51     $ref: /schemas/types.yaml#/definitions/uint32
  52     description: |
  53       u32 value representing the output channel that all input IRQs should be
  54       steered into.
  55
  56   fsl,num-irqs:
  57     $ref: /schemas/types.yaml#/definitions/uint32
  58     description: |
  59       u32 value representing the number of input interrupts of this channel,
  60       should be multiple of 32 input interrupts and up to 512 interrupts.
  61
  62 required:
  63   - compatible
  64   - reg
  65   - interrupts
  66   - clocks
  67   - clock-names
  68   - interrupt-controller
  69   - "#interrupt-cells"
  70   - fsl,channel
  71   - fsl,num-irqs
  72
  73 additionalProperties: false
  74
  75 examples:
  76   - |
  77     #include <dt-bindings/clock/imx8mq-clock.h>
  78     #include <dt-bindings/interrupt-controller/arm-gic.h>
  79
  80     interrupt-controller@32e2d000 {
  81         compatible = "fsl,imx-irqsteer";
  82         reg = <0x32e2d000 0x1000>;
  83         interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
  84         clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>;
  85         clock-names = "ipg";
  86         fsl,channel = <0>;
  87         fsl,num-irqs = <64>;
  88         interrupt-controller;
  89         #interrupt-cells = <1>;
  90     };