xref: /linux/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml (revision dd84cfff3cc3b79c9d616f85bd1178df135cbd1a) 
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
7title: Freescale Layerscape External Interrupt Controller
8
9maintainers:
10  - Shawn Guo <shawnguo@kernel.org>
11  - Li Yang <leoyang.li@nxp.com>
12
13description: |
14  Some Layerscape SOCs (LS1021A, LS1043A, LS1046A LS1088A, LS208xA,
15  LX216xA) support inverting the polarity of certain external interrupt
16  lines.
17
18properties:
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
54required:
55  - compatible
56  - '#interrupt-cells'
57  - '#address-cells'
58  - interrupt-controller
59  - reg
60  - interrupt-map
61  - interrupt-map-mask
62
63allOf:
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
99additionalProperties: false
100
101examples:
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    };
119