| 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/microchip,sama7g5-eic.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Microchip External Interrupt Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Claudiu Beznea <claudiu.beznea@microchip.com> |
| 11 | |
| 12 | description: |
| 13 | This interrupt controller is found in Microchip SoCs (SAMA7G5) and provides |
| 14 | support for handling up to 2 external interrupt lines. |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | enum: |
| 19 | - microchip,sama7g5-eic |
| 20 | |
| 21 | reg: |
| 22 | maxItems: 1 |
| 23 | |
| 24 | interrupt-controller: true |
| 25 | |
| 26 | '#interrupt-cells': |
| 27 | const: 2 |
| 28 | description: |
| 29 | The first cell is the input IRQ number (between 0 and 1), the second cell |
| 30 | is the trigger type as defined in interrupt.txt present in this directory. |
| 31 | |
| 32 | interrupts: |
| 33 | description: | |
| 34 | Contains the GIC SPI IRQs mapped to the external interrupt lines. They |
| 35 | should be specified sequentially from output 0 to output 1. |
| 36 | minItems: 2 |
| 37 | maxItems: 2 |
| 38 | |
| 39 | clocks: |
| 40 | maxItems: 1 |
| 41 | |
| 42 | clock-names: |
| 43 | const: pclk |
| 44 | |
| 45 | required: |
| 46 | - compatible |
| 47 | - reg |
| 48 | - interrupt-controller |
| 49 | - '#interrupt-cells' |
| 50 | - interrupts |
| 51 | - clocks |
| 52 | - clock-names |
| 53 | |
| 54 | additionalProperties: false |
| 55 | |
| 56 | examples: |
| 57 | - | |
| 58 | #include <dt-bindings/clock/at91.h> |
| 59 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 60 | |
| 61 | eic: interrupt-controller@e1628000 { |
| 62 | compatible = "microchip,sama7g5-eic"; |
| 63 | reg = <0xe1628000 0x100>; |
| 64 | interrupt-parent = <&gic>; |
| 65 | interrupt-controller; |
| 66 | #interrupt-cells = <2>; |
| 67 | interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>, |
| 68 | <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>; |
| 69 | clocks = <&pmc PMC_TYPE_PERIPHERAL 37>; |
| 70 | clock-names = "pclk"; |
| 71 | }; |
| 72 | |
| 73 | ... |