tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
12description: |
13 Some Layerscape SOCs (LS1021A, LS1043A, LS1046A LS1088A, LS208xA,
14 LX216xA) support inverting the polarity of certain external interrupt
15 lines.
16
17properties:
18 compatible:
19 oneOf:
20 - enum:
21 - fsl,ls1021a-extirq
22 - fsl,ls1043a-extirq
23 - fsl,ls1088a-extirq
24 - items:
25 - enum:
26 - fsl,ls1046a-extirq
27 - const: fsl,ls1043a-extirq
28 - items:
29 - enum:
30 - fsl,ls2080a-extirq
31 - fsl,lx2160a-extirq
32 - const: fsl,ls1088a-extirq
33
34 '#interrupt-cells':
35 const: 2
36
37 '#address-cells':
38 const: 0
39
40 interrupt-controller: true
41
42 reg:
43 maxItems: 1
44 description:
45 Specifies the Interrupt Polarity Control Register (INTPCR) in the
46 SCFG or the External Interrupt Control Register (IRQCR) in the ISC.
47
48 interrupt-map:
49 description: Specifies the mapping from external interrupts to GIC interrupts.
50
51 interrupt-map-mask: true
52
53required:
54 - compatible
55 - '#interrupt-cells'
56 - '#address-cells'
57 - interrupt-controller
58 - reg
59 - interrupt-map
60 - interrupt-map-mask
61
62allOf:
63 - if:
64 properties:
65 compatible:
66 contains:
67 enum:
68 - fsl,ls1021a-extirq
69 then:
70 properties:
71 interrupt-map:
72 minItems: 6
73 maxItems: 6
74 interrupt-map-mask:
75 items:
76 - const: 0x7
77 - const: 0
78 - if:
79 properties:
80 compatible:
81 contains:
82 enum:
83 - fsl,ls1043a-extirq
84 - fsl,ls1046a-extirq
85 then:
86 properties:
87 interrupt-map:
88 minItems: 12
89 maxItems: 12
90 interrupt-map-mask:
91 items:
92 - const: 0xf
93 - const: 0
94
95 - if:
96 properties:
97 compatible:
98 contains:
99 enum:
100 - fsl,ls1088a-extirq
101 - fsl,ls2080a-extirq
102 - fsl,lx2160a-extirq
103# The driver(drivers/irqchip/irq-ls-extirq.c) have not use standard DT
104# function to parser interrupt-map. So it doesn't consider '#address-size'
105# in parent interrupt controller, such as GIC.
106#
107# When dt-binding verify interrupt-map, item data matrix is spitted at
108# incorrect position. Remove interrupt-map restriction because it always
109# wrong.
110
111 then:
112 properties:
113 interrupt-map-mask:
114 items:
115 - const: 0xf
116 - const: 0
117
118additionalProperties: false
119
120examples:
121 - |
122 #include <dt-bindings/interrupt-controller/arm-gic.h>
123 interrupt-controller@1ac {
124 compatible = "fsl,ls1021a-extirq";
125 #interrupt-cells = <2>;
126 #address-cells = <0>;
127 interrupt-controller;
128 reg = <0x1ac 4>;
129 interrupt-map =
130 <0 0 &gic GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,
131 <1 0 &gic GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>,
132 <2 0 &gic GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>,
133 <3 0 &gic GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>,
134 <4 0 &gic GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
135 <5 0 &gic GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
136 interrupt-map-mask = <0x7 0x0>;
137 };