1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/interrupt-c
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: STMicroelectronics STi System Configura
8
9 maintainers:
10 - Patrice Chotard <patrice.chotard@foss.st.co
11
12 description:
13 On STi based systems; External, CTI (Core Si
14 Management), and PL310 L2 Cache IRQs are con
15 Configuration registers. This device is use
16
17 properties:
18 compatible:
19 const: st,stih407-irq-syscfg
20
21 st,syscfg:
22 description: Phandle to Cortex-A9 IRQ syst
23 $ref: /schemas/types.yaml#/definitions/pha
24
25 st,irq-device:
26 description: Array of IRQs to enable.
27 $ref: /schemas/types.yaml#/definitions/uin
28 items:
29 - description: Enable the IRQ of the cha
30 - description: Enable the IRQ of the cha
31
32 st,fiq-device:
33 description: Array of FIQs to enable.
34 $ref: /schemas/types.yaml#/definitions/uin
35 items:
36 - description: Enable the IRQ of the cha
37 - description: Enable the IRQ of the cha
38
39 st,invert-ext:
40 description: External IRQs can be inverted
41 these three IRQs using bitwise logic, ea
42 on the first, second and fourth bit.
43 $ref: /schemas/types.yaml#/definitions/uin
44 enum: [ 1, 2, 3, 4, 5, 6 ]
45
46 required:
47 - compatible
48 - st,syscfg
49 - st,irq-device
50 - st,fiq-device
51
52 additionalProperties: false
53
54 examples:
55 - |
56 #include <dt-bindings/interrupt-controller
57 irq-syscfg {
58 compatible = "st,stih407-irq-syscfg";
59 st,syscfg = <&syscfg_cpu>;
60 st,irq-device = <ST_IRQ_SYSCFG_PMU_0>,
61 <ST_IRQ_SYSCFG_PMU_1>;
62 st,fiq-device = <ST_IRQ_SYSCFG_DISABLE
63 <ST_IRQ_SYSCFG_DISABLE
64 };
65 ...
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