Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 7 | title: Freescale Layerscape External Interrupt Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Shawn Guo <shawnguo@kernel.org> |
| 11 | - Li Yang <leoyang.li@nxp.com> |
| 12 | |
| 13 | description: | |
| 14 | Some Layerscape SOCs (LS1021A, LS1043A, LS1046A LS1088A, LS208xA, |
| 15 | LX216xA) support inverting the polarity of certain external interrupt |
| 16 | lines. |
| 17 | |
| 18 | properties: |
| 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 | |
| 54 | required: |
| 55 | - compatible |
| 56 | - '#interrupt-cells' |
| 57 | - '#address-cells' |
| 58 | - interrupt-controller |
| 59 | - reg |
| 60 | - interrupt-map |
| 61 | - interrupt-map-mask |
| 62 | |
| 63 | allOf: |
| 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 | |
| 99 | additionalProperties: false |
| 100 | |
| 101 | examples: |
| 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 | }; |