Merge tag 'block-5.14-2021-08-07' of git://git.kernel.dk/linux-block
[linux-2.6-microblaze.git] / Documentation / devicetree / 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     };