xref: /linux/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.yaml (revision 5c61f59824b5e46516ea5d0543ad7a8871567416) 
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
7title: Freescale IRQSTEER Interrupt Multiplexer
8
9maintainers:
10  - Lucas Stach <l.stach@pengutronix.de>
11
12properties:
13  compatible:
14    oneOf:
15      - const: fsl,imx-irqsteer
16      - items:
17          - enum:
18              - fsl,imx8m-irqsteer
19              - fsl,imx8mp-irqsteer
20              - fsl,imx8qxp-irqsteer
21          - const: fsl,imx-irqsteer
22
23  reg:
24    maxItems: 1
25
26  interrupts:
27    description: |
28      should contain the up to 8 parent interrupt lines used to multiplex
29      the input interrupts. They should be specified sequentially from
30      output 0 to 7.
31    items:
32      - description: output interrupt 0
33      - description: output interrupt 1
34      - description: output interrupt 2
35      - description: output interrupt 3
36      - description: output interrupt 4
37      - description: output interrupt 5
38      - description: output interrupt 6
39      - description: output interrupt 7
40    minItems: 1
41
42  clocks:
43    maxItems: 1
44
45  clock-names:
46    const: ipg
47
48  power-domains:
49    maxItems: 1
50
51  interrupt-controller: true
52
53  "#interrupt-cells":
54    const: 1
55
56  fsl,channel:
57    $ref: /schemas/types.yaml#/definitions/uint32
58    description: |
59      u32 value representing the output channel that all input IRQs should be
60      steered into.
61
62  fsl,num-irqs:
63    $ref: /schemas/types.yaml#/definitions/uint32
64    description: |
65      u32 value representing the number of input interrupts of this channel,
66      should be multiple of 32 input interrupts and up to 512 interrupts.
67
68required:
69  - compatible
70  - reg
71  - interrupts
72  - clocks
73  - clock-names
74  - interrupt-controller
75  - "#interrupt-cells"
76  - fsl,channel
77  - fsl,num-irqs
78
79allOf:
80  - if:
81      properties:
82        compatible:
83          contains:
84            enum:
85              - fsl,imx8mp-irqsteer
86              - fsl,imx8qxp-irqsteer
87    then:
88      required:
89        - power-domains
90    else:
91      properties:
92        power-domains: false
93
94additionalProperties: false
95
96examples:
97  - |
98    #include <dt-bindings/clock/imx8mq-clock.h>
99    #include <dt-bindings/interrupt-controller/arm-gic.h>
100
101    interrupt-controller@32e2d000 {
102        compatible = "fsl,imx-irqsteer";
103        reg = <0x32e2d000 0x1000>;
104        interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
105        clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>;
106        clock-names = "ipg";
107        fsl,channel = <0>;
108        fsl,num-irqs = <64>;
109        interrupt-controller;
110        #interrupt-cells = <1>;
111    };
112