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/mstar,mst-intc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: MStar Interrupt Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Mark-PK Tsai <mark-pk.tsai@mediatek.com> |
| 11 | |
| 12 | description: |+ |
| 13 | MStar, SigmaStar and Mediatek TV SoCs contain multiple legacy |
| 14 | interrupt controllers that routes interrupts to the GIC. |
| 15 | |
| 16 | The HW block exposes a number of interrupt controllers, each |
| 17 | can support up to 64 interrupts. |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | const: mstar,mst-intc |
| 22 | |
| 23 | interrupt-controller: true |
| 24 | |
| 25 | "#interrupt-cells": |
| 26 | const: 3 |
| 27 | description: | |
| 28 | Use the same format as specified by GIC in arm,gic.yaml. |
| 29 | |
| 30 | reg: |
| 31 | maxItems: 1 |
| 32 | |
| 33 | mstar,irqs-map-range: |
| 34 | description: | |
| 35 | The range <start, end> of parent interrupt controller's interrupt |
| 36 | lines that are hardwired to mstar interrupt controller. |
| 37 | $ref: /schemas/types.yaml#/definitions/uint32-matrix |
| 38 | items: |
| 39 | minItems: 2 |
| 40 | maxItems: 2 |
| 41 | |
| 42 | mstar,intc-no-eoi: |
| 43 | description: |
| 44 | Mark this controller has no End Of Interrupt(EOI) implementation. |
| 45 | type: boolean |
| 46 | |
| 47 | required: |
| 48 | - compatible |
| 49 | - reg |
| 50 | - mstar,irqs-map-range |
| 51 | |
| 52 | additionalProperties: false |
| 53 | |
| 54 | examples: |
| 55 | - | |
| 56 | mst_intc0: interrupt-controller@1f2032d0 { |
| 57 | compatible = "mstar,mst-intc"; |
| 58 | interrupt-controller; |
| 59 | #interrupt-cells = <3>; |
| 60 | interrupt-parent = <&gic>; |
| 61 | reg = <0x1f2032d0 0x30>; |
| 62 | mstar,irqs-map-range = <0 63>; |
| 63 | }; |
| 64 | ... |