xref: /linux/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.yaml (revision 55d0969c451159cff86949b38c39171cab962069) 
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,imx8qm-irqsteer
21              - fsl,imx8qxp-irqsteer
22          - const: fsl,imx-irqsteer
23
24  reg:
25    maxItems: 1
26
27  interrupts:
28    description: |
29      should contain the up to 8 parent interrupt lines used to multiplex
30      the input interrupts. They should be specified sequentially from
31      output 0 to 7.
32    items:
33      - description: output interrupt 0
34      - description: output interrupt 1
35      - description: output interrupt 2
36      - description: output interrupt 3
37      - description: output interrupt 4
38      - description: output interrupt 5
39      - description: output interrupt 6
40      - description: output interrupt 7
41    minItems: 1
42
43  clocks:
44    maxItems: 1
45
46  clock-names:
47    const: ipg
48
49  power-domains:
50    maxItems: 1
51
52  interrupt-controller: true
53
54  "#interrupt-cells":
55    const: 1
56
57  fsl,channel:
58    $ref: /schemas/types.yaml#/definitions/uint32
59    description: |
60      u32 value representing the output channel that all input IRQs should be
61      steered into.
62
63  fsl,num-irqs:
64    $ref: /schemas/types.yaml#/definitions/uint32
65    description: |
66      u32 value representing the number of input interrupts of this channel,
67      should be multiple of 32 input interrupts and up to 512 interrupts.
68
69required:
70  - compatible
71  - reg
72  - interrupts
73  - clocks
74  - clock-names
75  - interrupt-controller
76  - "#interrupt-cells"
77  - fsl,channel
78  - fsl,num-irqs
79
80allOf:
81  - if:
82      properties:
83        compatible:
84          contains:
85            enum:
86              - fsl,imx8mp-irqsteer
87              - fsl,imx8qm-irqsteer
88              - fsl,imx8qxp-irqsteer
89    then:
90      required:
91        - power-domains
92    else:
93      properties:
94        power-domains: false
95
96additionalProperties: false
97
98examples:
99  - |
100    #include <dt-bindings/clock/imx8mq-clock.h>
101    #include <dt-bindings/interrupt-controller/arm-gic.h>
102
103    interrupt-controller@32e2d000 {
104        compatible = "fsl,imx-irqsteer";
105        reg = <0x32e2d000 0x1000>;
106        interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
107        clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>;
108        clock-names = "ipg";
109        fsl,channel = <0>;
110        fsl,num-irqs = <64>;
111        interrupt-controller;
112        #interrupt-cells = <1>;
113    };
114