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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/interrupt-controller/fsl,ls-extirq.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Freescale Layerscape External Interrupt Controller
maintainers:
- Shawn Guo <shawnguo@kernel.org>
description: |
Some Layerscape SOCs (LS1021A, LS1043A, LS1046A LS1088A, LS208xA,
LX216xA) support inverting the polarity of certain external interrupt
lines.
properties:
compatible:
oneOf:
- enum:
- fsl,ls1021a-extirq
- fsl,ls1043a-extirq
- fsl,ls1088a-extirq
- items:
- enum:
- fsl,ls1046a-extirq
- const: fsl,ls1043a-extirq
- items:
- enum:
- fsl,ls2080a-extirq
- fsl,lx2160a-extirq
- const: fsl,ls1088a-extirq
'#interrupt-cells':
const: 2
'#address-cells':
const: 0
interrupt-controller: true
reg:
maxItems: 1
description:
Specifies the Interrupt Polarity Control Register (INTPCR) in the
SCFG or the External Interrupt Control Register (IRQCR) in the ISC.
interrupt-map:
description: Specifies the mapping from external interrupts to GIC interrupts.
interrupt-map-mask: true
required:
- compatible
- '#interrupt-cells'
- '#address-cells'
- interrupt-controller
- reg
- interrupt-map
- interrupt-map-mask
allOf:
- if:
properties:
compatible:
contains:
enum:
- fsl,ls1021a-extirq
then:
properties:
interrupt-map:
minItems: 6
maxItems: 6
interrupt-map-mask:
items:
- const: 0x7
- const: 0
- if:
properties:
compatible:
contains:
enum:
- fsl,ls1043a-extirq
- fsl,ls1046a-extirq
then:
properties:
interrupt-map:
minItems: 12
maxItems: 12
interrupt-map-mask:
items:
- const: 0xf
- const: 0
- if:
properties:
compatible:
contains:
enum:
- fsl,ls1088a-extirq
- fsl,ls2080a-extirq
- fsl,lx2160a-extirq
# The driver(drivers/irqchip/irq-ls-extirq.c) have not use standard DT
# function to parser interrupt-map. So it doesn't consider '#address-size'
# in parent interrupt controller, such as GIC.
#
# When dt-binding verify interrupt-map, item data matrix is spitted at
# incorrect position. Remove interrupt-map restriction because it always
# wrong.
then:
properties:
interrupt-map-mask:
items:
- const: 0xf
- const: 0
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
interrupt-controller@1ac {
compatible = "fsl,ls1021a-extirq";
#interrupt-cells = <2>;
#address-cells = <0>;
interrupt-controller;
reg = <0x1ac 4>;
interrupt-map =
<0 0 &gic GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,
<1 0 &gic GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>,
<2 0 &gic GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>,
<3 0 &gic GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>,
<4 0 &gic GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
<5 0 &gic GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
interrupt-map-mask = <0x7 0x0>;
};
|
