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-rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml new file mode 100644 index 000000000..887e565b9 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml @@ -0,0 +1,118 @@ +# 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> + - Li Yang <leoyang.li@nxp.com> + +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 + - fsl,ls1088a-extirq + - fsl,ls2080a-extirq + - fsl,lx2160a-extirq + then: + properties: + interrupt-map: + minItems: 12 + maxItems: 12 + 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>; + }; |